/* ============================================================
   Templo GRIEGO DE ASTRONOMÍA - ASTRONOMÍA FUNDACITE CARACAS
   Diseño: templo clásico NOCTURNO sobre cielo estrellado
   Paleta: azul-noche profundo + dorado + azul griego + terracota
   Tipografías: Cinzel (títulos) · Cormorant Garamond (cuerpo)
                Cutive Mono (datos)
   ============================================================ */

/* ---------- Variables ---------- */
:root {
    --marble: #0a0f1e;
    --marble-2: #111a30;
    --marble-3: #1b2645;
    --marble-light: #f0e9d6;

    --gold: #d4af37;
    --gold-dark: #c9a227;
    --gold-deep: #e2c05a;
    --gold-light: #f3dc8c;

    --blue: #7fb3e6;
    --blue-soft: #4a86c9;
    --blue-tint: rgba(74, 134, 201, 0.18);

    --terra: #c96a45;
    --terra-soft: #e0875f;

    --ink: #f0e9d6;
    --ink-soft: #c9c3b0;
    --ink-faint: #8f98ad;
    --line: #2a3550;
    --line-strong: #3a4768;

    --font-display: 'Cinzel', serif;
    --font-body: 'Cormorant Garamond', serif;
    --font-mono: 'Cutive Mono', monospace;

    --navbar-h: 74px;
    --transition: 0.3s ease;
    --radius: 8px;

    --shadow-card: 0 16px 42px rgba(0, 0, 0, 0.55);
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.40);

    --surface-panel: linear-gradient(180deg, #1a2440 0%, #0f1728 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--navbar-h) + 16px);
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--ink);
    background-color: var(--marble);
    background-image:
        radial-gradient(1px 1px at 25px 35px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 90px 70px, rgba(255, 255, 255, 0.55), transparent),
        radial-gradient(1.5px 1.5px at 55px 120px, rgba(243, 220, 140, 0.85), transparent),
        radial-gradient(1px 1px at 130px 20px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 150px 95px, rgba(255, 255, 255, 0.45), transparent),
        radial-gradient(1px 1px at 30px 160px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 110px 180px, rgba(243, 220, 140, 0.6), transparent),
        radial-gradient(1px 1px at 185px 140px, rgba(255, 255, 255, 0.65), transparent),
        radial-gradient(circle at 50% -10%, rgba(44, 68, 122, 0.55), transparent 55%),
        linear-gradient(180deg, #0d1526 0%, #0a0f1e 55%, #060a14 100%);
    background-size:
        200px 200px, 240px 240px, 210px 210px, 190px 190px,
        230px 230px, 220px 220px, 205px 205px, 250px 250px,
        100% 100%, 100% 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* El fondo fijo solo en escritorio: en móviles provoca repintados por frame */
@media (hover: hover) and (pointer: fine) and (min-width: 1025px) {
    body {
        background-attachment: fixed;
    }
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: color var(--transition);
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

::selection {
    background: rgba(212, 175, 55, 0.3);
    color: var(--ink);
}

::-webkit-scrollbar {
    width: 11px;
}
::-webkit-scrollbar-track {
    background: var(--marble-2);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--gold-dark), var(--gold-deep));
    border-radius: 8px;
    border: 2px solid var(--marble-2);
}

/* ---------- Utilidades ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.gradient-text {
    background: linear-gradient(92deg, var(--gold-deep), var(--gold), var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Estrella de 8 puntas (dos cuadrados superpuestos) */
.star8 {
    position: relative;
    display: inline-block;
    width: 16px;
    height: 16px;
}
.star8::before,
.star8::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold);
}
.star8::after {
    transform: rotate(45deg);
}

/* Greca / meandro griego (patrón SVG) */
.meander {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath fill='none' stroke='%23d4af37' stroke-width='2' d='M2 20 h12 V10 h-6 v4 h2 v-2 h2 v6 h-8 V4 h14 v8 h2 v8 h4'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
}

/* Friso dórico (triglifos y metopas) */
.frieze {
    background: repeating-linear-gradient(90deg,
        var(--gold-dark) 0 3px, var(--gold) 3px 5px,
        var(--gold-dark) 5px 8px, transparent 8px 13px,
        transparent 13px 26px);
}

/* ---------- Lienzo de estrellas (oculto: el JS lo conserva por compatibilidad) ---------- */
#starfield {
    display: none;
}
/* ============================================================
   NAVBAR - PÓRTICO DE ENTRADA
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: linear-gradient(180deg, rgba(13, 19, 36, 0.92), rgba(9, 13, 25, 0.96));
    border-bottom: 3px solid var(--gold);
    box-shadow: 0 3px 22px rgba(0, 0, 0, 0.5);
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: repeating-linear-gradient(90deg,
        var(--gold-deep) 0 3px, var(--gold) 3px 5px,
        var(--gold-deep) 5px 8px, transparent 8px 14px,
        transparent 14px 28px);
}

.navbar-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    height: var(--navbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-logo {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    font-size: 22px;
    background: radial-gradient(circle at 32% 30%, var(--marble-3), var(--marble-2));
    border: 2px solid var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 14px rgba(212, 175, 55, 0.35);
}

.brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.06em;
    color: var(--ink);
    line-height: 1.25;
    text-transform: uppercase;
}

.brand-text span {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--gold-deep);
    letter-spacing: 0.3em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-links .console-btn {
    position: relative;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    padding: 8px 11px;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.nav-links .console-btn:hover {
    color: var(--gold-deep);
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--gold-light);
}

.nav-links .console-btn.active {
    color: #fff;
    background: linear-gradient(180deg, var(--gold), var(--gold-dark));
    border-color: var(--gold-deep);
    box-shadow: 0 3px 10px rgba(212, 175, 55, 0.4);
}

.nav-links .console-btn.active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -7px;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-dark);
    border: 1px solid var(--marble-light);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: 1px solid var(--gold);
    border-radius: 4px;
    background: var(--marble-3);
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--gold);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   HERO - FACHADA DEL TEMPLO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--navbar-h) + 40px) 24px 80px;
    overflow: hidden;
}

.hero-halo {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 50% 30%, rgba(212, 175, 55, 0.22), transparent 46%),
        radial-gradient(circle at 12% 82%, rgba(74, 134, 201, 0.14), transparent 40%),
        radial-gradient(circle at 88% 78%, rgba(201, 106, 69, 0.10), transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 980px;
    width: 100%;
    animation: heroFadeIn 1s ease both;
}

@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Fachada del templo ---- */
.temple-facade {
    position: relative;
    max-width: 900px;
    margin: 0 auto 44px;
}

/* Frontón */
.pediment {
    position: relative;
    height: 78px;
    margin: 0 34px;
    clip-path: polygon(0 100%, 50% 0, 100% 100%);
    background: linear-gradient(180deg, var(--marble-3), var(--marble-2));
    box-shadow: inset 0 0 0 2px var(--gold);
}

.acroterion {
    position: absolute;
    z-index: 2;
    transform: translateX(-50%);
}
.acroterion.star8 { top: -30px; left: 50%; }
.acroterion-l { left: 22px; top: 8px; transform: translateX(-50%) scale(0.85); }
.acroterion-r { right: -6px; top: 8px; transform: translateX(-50%) scale(0.85); left: auto; }

/* Friso con la insignia */
.frieze-band {
    margin: 6px 14px 0;
    padding: 10px 16px;
    border-top: 3px solid var(--gold);
    border-bottom: 2px solid var(--gold-dark);
    background: repeating-linear-gradient(90deg,
        var(--gold-dark) 0 3px, var(--gold) 3px 5px,
        var(--gold-dark) 5px 8px, transparent 8px 13px,
        transparent 13px 26px);
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.22em;
    color: var(--marble-light);
    background: linear-gradient(180deg, #2f4e7a, #16263f);
    border: 1px solid var(--gold-light);
    padding: 7px 18px;
    border-radius: 3px;
}

/* Cuerpo del templo */
.tympanum {
    padding: 40px 26px 8px;
    background: linear-gradient(180deg, rgba(16, 23, 44, 0.92), rgba(10, 15, 30, 0.78));
    border-left: 2px solid var(--gold-dark);
    border-right: 2px solid var(--gold-dark);
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.4rem, 6.4vw, 4.6rem);
    line-height: 1.1;
    color: var(--gold-light);
    text-shadow: 0 0 28px rgba(212, 175, 55, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 20px;
}

.hero-subtitle {
    max-width: 700px;
    margin: 0 auto;
    font-size: clamp(1.02rem, 1.6vw, 1.22rem);
    font-style: italic;
    color: var(--ink-soft);
}

/* Columnata */
.columns-row {
    display: flex;
    justify-content: space-evenly;
    gap: 12px;
    padding: 0 30px;
    background: linear-gradient(180deg, rgba(16, 23, 44, 0.92), rgba(10, 15, 30, 0.78));
    border-left: 2px solid var(--gold-dark);
    border-right: 2px solid var(--gold-dark);
}

.column {
    width: 44px;
    height: 132px;
    display: flex;
    flex-direction: column;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.5));
}

.column .cap {
    position: relative;
    height: 20px;
    background: linear-gradient(180deg, var(--marble-3), var(--marble-2));
    border: 2px solid var(--gold);
    border-radius: 4px 4px 2px 2px;
}

.column .cap::before,
.column .cap::after {
    content: '';
    position: absolute;
    top: -7px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    background: var(--marble-3);
    box-shadow: inset 0 0 0 2px var(--marble-2);
}
.column .cap::before { left: -8px; }
.column .cap::after { right: -8px; }

.column .shaft {
    flex: 1;
    background: repeating-linear-gradient(90deg,
        var(--marble-3) 0 6px, var(--marble-2) 6px 7px,
        var(--marble) 7px 14px);
    border-left: 1px solid rgba(212, 175, 55, 0.35);
    border-right: 1px solid rgba(212, 175, 55, 0.35);
}

.column .base {
    height: 14px;
    background: linear-gradient(180deg, var(--marble-3), var(--marble-2));
    border: 2px solid var(--gold);
    border-top: none;
    border-radius: 0 0 4px 4px;
}

/* Gradas / crepidoma */
.crepidoma {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -1px;
}
.crepidoma span {
    display: block;
    width: 78%;
    height: 12px;
    background: linear-gradient(180deg, var(--marble-3), var(--marble-2));
    border: 1px solid var(--gold-dark);
}
.crepidoma span:first-child {
    width: 90%;
}

/* ---------- Botones ---------- */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: 4px;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    color: var(--marble-light);
    background: linear-gradient(180deg, var(--gold), var(--gold-dark));
    border: 1px solid var(--gold-deep);
    box-shadow: 0 8px 26px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 12px 34px rgba(212, 175, 55, 0.5);
}

.btn-ghost {
    color: var(--blue);
    background: rgba(20, 28, 50, 0.75);
    border: 1px solid var(--gold-dark);
}

.btn-ghost:hover {
    background: var(--marble-3);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* ---------- Estadísticas ---------- */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 16px;
    justify-content: center;
}

.stat-panel {
    min-width: 152px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 22px;
    background: var(--surface-panel);
    border: 1px solid var(--gold-light);
    border-top: 3px solid var(--gold);
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.stat-panel:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.stat-icon {
    font-size: 26px;
}

.stat-data {
    text-align: left;
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    color: var(--gold-deep);
    line-height: 1.1;
}

.stat-label {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

/* ---------- Estela de datos en vivo ---------- */
.live-panel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 28px;
    max-width: 860px;
    margin: 42px auto 0;
    padding: 22px 30px;
    background: var(--surface-panel);
    border: 1px solid var(--gold-light);
    border-top: 4px solid var(--gold);
    border-radius: 6px;
    box-shadow: var(--shadow-card);
    animation: heroFadeIn 1s ease 0.25s both;
}

.live-panel::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: -12px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath fill='none' stroke='%23d4af37' stroke-width='2' d='M2 20 h12 V10 h-6 v4 h2 v-2 h2 v6 h-8 V4 h14 v8 h2 v8 h4'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    opacity: 0.9;
}

.analog-clock {
    width: 122px;
    height: 122px;
    flex-shrink: 0;
}

.clock-face {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 45%, var(--marble-3), var(--marble-2));
    border: 3px solid var(--gold-dark);
    box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.5), 0 0 20px rgba(212, 175, 55, 0.35);
}

.clock-tick {
    position: absolute;
    background: var(--gold-dark);
    border-radius: 2px;
    opacity: 0.95;
}

.clock-tick.c12 { top: 7px; left: 50%; transform: translateX(-50%); width: 3px; height: 11px; }
.clock-tick.c3 { right: 7px; top: 50%; transform: translateY(-50%); width: 11px; height: 3px; }
.clock-tick.c6 { bottom: 7px; left: 50%; transform: translateX(-50%); width: 3px; height: 11px; }
.clock-tick.c9 { left: 7px; top: 50%; transform: translateY(-50%); width: 11px; height: 3px; }

.clock-hand {
    position: absolute;
    left: 50%;
    bottom: 50%;
    transform-origin: 50% 100%;
    border-radius: 3px;
}

.clock-hour {
    width: 5px;
    height: 28px;
    margin-left: -2.5px;
    background: var(--blue);
}

.clock-minute {
    width: 4px;
    height: 40px;
    margin-left: -2px;
    background: var(--gold-deep);
}

.clock-second {
    width: 2px;
    height: 46px;
    margin-left: -1px;
    background: var(--terra);
    box-shadow: 0 0 8px rgba(201, 106, 69, 0.6);
}

.clock-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--gold);
    border: 1px solid var(--gold-light);
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.7);
}

.live-data {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 28px;
    text-align: left;
}

.live-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.live-label {
    font-family: var(--font-display);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.live-value {
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--blue);
}

.hero-scroll {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 22px;
    color: var(--gold-deep);
    animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
}/* ============================================================
   SECCIONES - SALAS DEL Templo
   ============================================================ */
.section {
    position: relative;
    z-index: 1;
    padding: 92px 0;
    background: linear-gradient(180deg, rgba(26, 37, 67, 0.35), transparent 12%);
    content-visibility: auto;
    contain-intrinsic-size: auto 1200px;
}

.section:nth-of-type(even) {
    background: linear-gradient(180deg, rgba(20, 29, 52, 0.4), transparent 14%);
}

.section-head {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 52px;
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold-deep);
    margin-bottom: 14px;
}

.section-eyebrow::before,
.section-eyebrow::after {
    content: '✦';
    margin: 0 10px;
    font-size: 11px;
    color: var(--gold);
    opacity: 0.85;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.7rem, 3.6vw, 2.6rem);
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 14px;
}

.section-desc {
    color: var(--ink-soft);
    font-size: 1.08rem;
    font-style: italic;
}

.section-head::after {
    content: '';
    display: block;
    width: 150px;
    height: 12px;
    margin: 20px auto 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath fill='none' stroke='%23d4af37' stroke-width='2' d='M2 20 h12 V10 h-6 v4 h2 v-2 h2 v6 h-8 V4 h14 v8 h2 v8 h4'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    opacity: 0.85;
}

/* ============================================================
   ASTRÓNOMOS - GALERÍA DE SABIOS
   ============================================================ */
.astronomers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.astronomer-card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.astronomer-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
}

.card-image {
    height: 225px;
    overflow: hidden;
    position: relative;
    border-bottom: 2px solid var(--line-strong);
}

.card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(46, 42, 36, 0.55));
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    transition: transform 0.6s ease;
}

.astronomer-card:hover .card-image img {
    transform: scale(1.06);
}

/* Tarjeta de mármol para los sabios griegos (sin imagen rota) */
.astronomer-card.greek .card-image.bust {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background:
        radial-gradient(circle at 50% 30%, rgba(58, 84, 150, 0.55), transparent 55%),
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.16), transparent 45%),
        linear-gradient(160deg, var(--marble-3), var(--marble-2));
    border-bottom: 2px solid var(--gold);
}

.astronomer-card.greek .card-image.bust::after {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(212, 175, 55, 0.65);
    border-radius: 3px;
    background: transparent;
    pointer-events: none;
}

.bust-emoji {
    font-size: 74px;
    line-height: 1;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.5));
}

.bust-plaque {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--gold-deep);
    border-top: 1px solid var(--gold-light);
    padding-top: 8px;
}

.greek-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--marble-light);
    background: linear-gradient(180deg, var(--terra-soft), var(--terra));
    border: 1px solid var(--terra);
    padding: 4px 10px;
    border-radius: 3px;
    box-shadow: 0 3px 8px rgba(201, 106, 69, 0.35);
    z-index: 2;
}

.card-content {
    padding: 22px 24px 26px;
    position: relative;
}

.card-content h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    color: var(--ink);
    margin-bottom: 4px;
}

.years {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--gold-deep);
    letter-spacing: 0.08em;
}

.card-content p {
    font-size: 15px;
    color: var(--ink-soft);
    margin: 12px 0 16px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--blue);
    background: var(--blue-tint);
    border: 1px solid rgba(127, 179, 230, 0.4);
    padding: 4px 12px;
    border-radius: 3px;
}

/* ============================================================
   SISTEMA SOLAR
   ============================================================ */
.planet-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 36px;
}

.planet-btn {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding: 11px 18px;
    border-radius: 4px;
    border: 1px solid var(--line-strong);
    background: var(--surface-panel);
    box-shadow: var(--shadow-soft);
    transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.planet-btn:hover {
    color: var(--gold-deep);
    border-color: var(--gold);
}

.planet-btn.active {
    color: var(--marble-light);
    background: linear-gradient(180deg, var(--gold), var(--gold-dark));
    border-color: var(--gold-deep);
    box-shadow: 0 5px 18px rgba(212, 175, 55, 0.4);
}

.planet-display {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 40px;
    align-items: center;
    padding: 44px;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    margin-bottom: 40px;
}

.planet-visual {
    display: grid;
    place-items: center;
    min-height: 260px;
    transition: opacity 0.3s ease;
}

.planet-sphere {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    position: relative;
    box-shadow: inset -30px -24px 55px rgba(46, 42, 36, 0.45);
}

.planet-sphere::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(212, 175, 55, 0.3);
}

.sun-sphere {
    background: radial-gradient(circle at 35% 35%, #fff7d6, #ffd76a 40%, #ff9d1f 70%, #ff6a00);
    box-shadow: inset -30px -24px 55px rgba(120, 40, 0, 0.4), 0 0 70px rgba(255, 190, 60, 0.55), 0 0 140px rgba(255, 140, 20, 0.25);
    animation: sunPulse 4s ease-in-out infinite;
}

@keyframes sunPulse {
    0%, 100% { box-shadow: inset -30px -24px 55px rgba(120, 40, 0, 0.4), 0 0 70px rgba(255, 190, 60, 0.55), 0 0 140px rgba(255, 140, 20, 0.25); }
    50% { box-shadow: inset -30px -24px 55px rgba(120, 40, 0, 0.4), 0 0 90px rgba(255, 190, 60, 0.75), 0 0 170px rgba(255, 140, 20, 0.4); }
}

.mercury-sphere { background: radial-gradient(circle at 32% 32%, #d6d6d6, #8f8f8f 55%, #4a4a4a); }
.venus-sphere { background: radial-gradient(circle at 32% 32%, #ffe9b8, #e0b060 55%, #a5763a); }
.earth-sphere { background: radial-gradient(circle at 32% 32%, #7cc8ff, #1e6fd0 50%, #0a2f66); }
.mars-sphere { background: radial-gradient(circle at 32% 32%, #ff9e7a, #c1440e 60%, #6e1f05); }
.jupiter-sphere { background: radial-gradient(circle at 32% 32%, #f5d6a8, #d8a95c 45%, #a97a3a 70%, #6b4a24); }
.saturn-sphere {
    background: radial-gradient(circle at 32% 32%, #fff0c9, #e8d98a 55%, #b09c55);
    overflow: visible;
}
.saturn-sphere::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 300px;
    height: 70px;
    transform: translate(-50%, -50%) rotate(-18deg);
    border-radius: 50%;
    border: 9px solid rgba(232, 217, 138, 0.75);
    box-shadow: 0 0 20px rgba(232, 217, 138, 0.3);
    z-index: -1;
}
.uranus-sphere { background: radial-gradient(circle at 32% 32%, #b8f0ff, #5ec8e8 55%, #2a7a99); }
.neptune-sphere { background: radial-gradient(circle at 32% 32%, #8fb8ff, #3f5fd0 55%, #1a2a7a); }

.planet-info {
    transition: opacity 0.3s ease;
}

.planet-info h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 28px;
    color: var(--ink);
    margin-bottom: 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 14px;
    background: rgba(18, 26, 48, 0.85);
    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
}

.info-label {
    font-family: var(--font-display);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.info-value {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--blue);
}

.planet-description {
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.7;
    font-style: italic;
}

.solar-facts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.fact-card {
    text-align: center;
    padding: 26px 18px;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 3px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), border-color var(--transition);
}

.fact-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
}

.fact-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 12px;
}

.fact-card h4 {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 8px;
}

.fact-card p {
    font-size: 14px;
    color: var(--ink-soft);
}

/* ============================================================
   SIMULACIÓN ORBITAL
   ============================================================ */
.orbital-sim {
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.sim-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px 26px;
    background: linear-gradient(180deg, var(--marble-2), var(--marble-3));
    border-bottom: 2px solid var(--line-strong);
}

.sim-btn {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--marble-light);
    background: linear-gradient(180deg, var(--gold), var(--gold-dark));
    padding: 12px 22px;
    border-radius: 4px;
    border: 1px solid var(--gold-deep);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
    transition: transform var(--transition);
}

.sim-btn:hover {
    transform: scale(1.04);
}

.sim-speed-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 240px;
}

.sim-speed-wrap label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--ink-faint);
}

.sim-speed-wrap input[type="range"] {
    flex: 1;
}

.sim-speed-wrap span {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--gold-deep);
    min-width: 34px;
    text-align: right;
}

.sim-elapsed {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--blue);
    letter-spacing: 0.08em;
    padding: 8px 14px;
    background: var(--blue-tint);
    border: 1px solid rgba(127, 179, 230, 0.4);
    border-radius: 4px;
}

.orbital-canvas-wrap {
    position: relative;
    padding: 20px;
}

#orbital-canvas {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 4px;
    border: 2px solid var(--gold-dark);
    box-shadow: inset 0 0 40px rgba(74, 134, 201, 0.22);
}

.sim-info {
    margin-top: 14px;
    padding: 12px 18px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--blue);
    background: rgba(18, 26, 48, 0.9);
    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
    text-align: center;
}/* ============================================================
   HERRAMIENTAS - TALLER DEL ASTRÓNOMO
   ============================================================ */
.tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px;
}

.tool-card {
    display: flex;
    flex-direction: column;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
}

.tool-card.wide {
    grid-column: 1 / -1;
}

.tool-header {
    padding: 20px 26px;
    border-bottom: 2px solid var(--line-strong);
    background: linear-gradient(180deg, var(--marble-2), var(--marble-3));
}

.tool-header h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--ink);
    margin-bottom: 3px;
}

.tool-header p {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold-deep);
}

.tool-body {
    padding: 24px 26px;
    flex: 1;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.input-group label {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.input-group input,
.input-group select {
    width: 100%;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    background: var(--marble);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 11px 14px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
}

.input-group select option {
    background: var(--marble-2);
    color: var(--ink);
}

/* ---------- Peso / Edad ---------- */
.weight-results,
.age-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.weight-item,
.age-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 12px;
    background: rgba(18, 26, 48, 0.85);
    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
    transition: border-color var(--transition);
}

.weight-item:hover,
.age-item:hover {
    border-color: var(--gold);
}

.planet-name {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-soft);
}

.weight-value,
.age-value {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--blue);
}

/* ---------- Conversor ---------- */
.converter {
    display: flex;
    flex-direction: column;
}

.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 6px 0 16px;
}

.preset-btn {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--blue);
    padding: 8px 14px;
    background: var(--blue-tint);
    border: 1px solid rgba(127, 179, 230, 0.4);
    border-radius: 4px;
    transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.preset-btn:hover {
    background: rgba(127, 179, 230, 0.15);
    color: var(--blue);
    border-color: var(--blue-soft);
}

.convert-btn {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--marble-light);
    background: linear-gradient(180deg, var(--gold), var(--gold-dark));
    border: 1px solid var(--gold-deep);
    padding: 13px;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
    transition: transform var(--transition);
    margin-bottom: 16px;
}

.convert-btn:hover {
    transform: translateY(-2px);
}

.result-box {
    display: flex;
    align-items: baseline;
    gap: 10px;
    justify-content: center;
    padding: 20px;
    background: var(--marble-2);
    border: 1px solid var(--gold-light);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
    margin-bottom: 12px;
    text-align: center;
}

.result-number {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--gold-deep);
}

.result-unit {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--blue);
}

.context-info {
    font-size: 14px;
    font-style: italic;
    text-align: center;
    color: var(--ink-soft);
}

/* ---------- Escala del sistema solar ---------- */
.scale-container {
    background: linear-gradient(180deg, var(--marble-2), var(--marble-3));
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 22px 20px;
}

.scale-axis-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--ink-faint);
    margin-bottom: 10px;
}

.scale-track {
    position: relative;
    height: 54px;
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.24), rgba(74, 134, 201, 0.14));
    border: 1px solid var(--line);
    border-radius: 6px;
    margin-bottom: 12px;
}

.scale-track::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--blue-soft));
    opacity: 0.6;
    transform: translateY(-50%);
}

.scale-planet {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 22px;
    cursor: pointer;
    transition: transform var(--transition);
    filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.5));
}

.scale-planet:hover {
    transform: translate(-50%, -50%) scale(1.5);
    z-index: 2;
}

.scale-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-soft);
}

.scale-labels span:first-child {
    color: var(--gold-deep);
}

.scale-tip {
    margin-top: 14px;
    font-size: 13px;
    color: var(--ink-soft);
    line-height: 1.6;
}

/* ---------- Gravedad ---------- */
.gravity-sim {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.mass-visualization {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 20px;
    background: rgba(18, 26, 48, 0.85);
    border: 1px solid var(--line-strong);
    border-radius: 4px;
}

.mass-object {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.mass-object span {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--ink-faint);
}

.mass-circle {
    width: 60px;
    height: 60px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--marble-light);
    background: radial-gradient(circle at 32% 32%, var(--gold-light), var(--gold-dark) 60%, var(--gold-deep));
    border: 2px solid var(--gold);
    box-shadow: 0 0 22px rgba(212, 175, 55, 0.45);
    transition: width 0.2s ease, height 0.2s ease;
}

.force-arrow {
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--blue);
    white-space: nowrap;
    text-shadow: 0 0 10px rgba(74, 134, 201, 0.55);
}

.gravity-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-row {
    display: grid;
    grid-template-columns: 110px 1fr 74px;
    align-items: center;
    gap: 12px;
}

.input-row label {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--ink-faint);
}

.input-row span {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--gold-deep);
    text-align: right;
}

.gravity-result {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: center;
    padding: 16px;
    background: var(--marble-2);
    border: 1px solid var(--gold-light);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
}

.gravity-result .formula {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-faint);
}

.gravity-result .result {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    color: var(--blue);
}

/* ---------- Inputs range ---------- */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--gold), var(--blue-soft));
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--marble-light);
    border: 3px solid var(--gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--marble-light);
    border: 3px solid var(--gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    cursor: pointer;
}/* ============================================================
   SEMILLEROS
   ============================================================ */
.semilleros-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.semillero-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 3px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), border-color var(--transition);
}

.semillero-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
}

.semillero-icon {
    font-size: 26px;
    flex-shrink: 0;
}

.semillero-content h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
}

.semillero-content p {
    font-size: 14px;
    color: var(--ink-soft);
    margin-bottom: 12px;
}

.semillero-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--marble-light);
    background: linear-gradient(180deg, #2f4e7a, #16263f);
    border: 1px solid rgba(127, 179, 230, 0.4);
    padding: 4px 10px;
    border-radius: 3px;
}

.semillero-note {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-top: 28px;
    padding: 20px 24px;
    background: var(--marble-2);
    border: 1px solid var(--gold-light);
    border-left: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.note-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.semillero-note p {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.7;
}

/* ============================================================
   CONCEPTOS (APRENDE)
   ============================================================ */
.astro-concepts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    margin-bottom: 34px;
}

.concept-card {
    padding: 24px;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 3px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), border-color var(--transition);
}

.concept-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
}

.concept-icon {
    display: inline-block;
    font-size: 24px;
    margin-bottom: 12px;
}

.concept-card h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--ink);
    margin-bottom: 8px;
}

.concept-card p {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.65;
}

/* ============================================================
   CIELO EN VIVO
   ============================================================ */
.sky-widget {
    max-width: 720px;
    margin: 0 auto;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.sky-head {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 22px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--marble-light);
    background: linear-gradient(180deg, #2f4e7a, #16263f);
    border-bottom: 2px solid var(--gold);
}

.sky-icon {
    font-size: 18px;
}

.sky-loc {
    margin-left: auto;
    color: var(--gold-light);
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
}

.sky-body {
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sky-loading {
    text-align: center;
    padding: 30px 10px;
    color: var(--ink-soft);
    font-size: 15px;
    font-style: italic;
}

.sky-planet {
    display: grid;
    grid-template-columns: 30px 90px 1fr 90px;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    background: rgba(18, 26, 48, 0.85);
    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
    transition: border-color var(--transition);
}

.sky-planet:hover {
    border-color: var(--gold);
}

.sky-planet-icon {
    font-size: 20px;
    text-align: center;
}

.sky-planet-name {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
}

.sky-planet-bar {
    height: 8px;
    border-radius: 999px;
    background: rgba(143, 152, 173, 0.18);
    overflow: hidden;
}

.sky-planet-fill {
    height: 100%;
    border-radius: 999px;
    box-shadow: 0 0 8px currentColor;
}

.sky-planet-status {
    font-family: var(--font-mono);
    font-size: 11px;
    text-align: right;
}

.sky-foot {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 12px 22px;
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--ink-faint);
    border-top: 1px solid var(--line-strong);
    background: linear-gradient(180deg, var(--marble-2), var(--marble-3));
}

.sky-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.sky-dot-good { background: #1a7f4b; box-shadow: 0 0 8px rgba(26, 127, 75, 0.6); }
.sky-dot-mid { background: #b07d16; box-shadow: 0 0 8px rgba(176, 125, 22, 0.6); }
.sky-dot-bad { background: #a63b2b; box-shadow: 0 0 8px rgba(166, 59, 43, 0.6); }

/* ============================================================
   HISTORIA - LÍNEA DEL TIEMPO
   ============================================================ */
.timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--gold), var(--blue-soft), transparent);
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 22px;
    padding: 18px 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -27px;
    top: 26px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--marble-3);
    border: 3px solid var(--gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.tl-year {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 22px;
    color: var(--gold-deep);
    text-align: right;
    padding-top: 6px;
}

.tl-content {
    padding: 20px 24px;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: border-color var(--transition), transform var(--transition);
}

.tl-content:hover {
    border-color: var(--gold);
    transform: translateX(4px);
}

.tl-content h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 6px;
}

.tl-content p {
    font-size: 15px;
    color: var(--ink-soft);
}/* ============================================================
   DATOS CÓSMICOS - CARRUSEL
   ============================================================ */
.facts-carousel {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    min-height: 190px;
    display: flex;
    align-items: center;
}

.fact-slide {
    display: none;
    width: 100%;
}

.fact-slide.active {
    display: block;
    animation: fadeSlide 0.6s ease both;
}

@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

.fact-content {
    padding: 40px 46px;
    text-align: center;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    position: relative;
}

.fact-content::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath fill='none' stroke='%23d4af37' stroke-width='2' d='M2 20 h12 V10 h-6 v4 h2 v-2 h2 v6 h-8 V4 h14 v8 h2 v8 h4'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    opacity: 0.55;
}

.fact-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 64px;
    line-height: 1;
    background: linear-gradient(180deg, var(--gold), rgba(212, 175, 55, 0.25));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 14px;
}

.fact-content p {
    font-size: 1.18rem;
    color: var(--ink);
    line-height: 1.7;
    font-style: italic;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    margin-top: 26px;
}

.carousel-controls button {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    font-size: 18px;
    color: var(--gold-deep);
    background: var(--surface-panel);
    border: 1px solid var(--gold);
    border-radius: 50%;
    box-shadow: var(--shadow-soft);
    transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.carousel-controls button:hover {
    background: linear-gradient(180deg, var(--gold), var(--gold-dark));
    color: var(--marble-light);
    box-shadow: 0 0 16px rgba(212, 175, 55, 0.5);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--line-strong);
    cursor: pointer;
    transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.dot.active {
    width: 26px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--gold), var(--gold-dark));
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

/* ============================================================
   STELLARIUM - EL PLANETARIO
   ============================================================ */
.stellarium-box {
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 14px;
    overflow: hidden;
}

.stellarium-frame {
    width: 100%;
    height: 72vh;
    min-height: 460px;
    border: 2px solid var(--gold-dark);
    border-radius: 4px;
    background: #1a2332;
    display: block;
}

.stellarium-hint {
    margin-top: 14px;
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.7;
    padding: 0 8px;
    font-style: italic;
}

.stellarium-rotate {
    display: block;
    color: var(--blue);
    font-weight: 600;
    font-style: normal;
}

/* ============================================================
   FOOTER - PÓRTICO DE SALIDA
   ============================================================ */
.footer {
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, #111a30, #131e38 40%, #0a0f1e);
    border-top: 3px solid var(--gold);
    padding: 60px 0 30px;
    margin-top: 20px;
}

.footer-frieze {
    position: absolute;
    top: -3px;
    left: 0;
    right: 0;
    height: 12px;
    background: repeating-linear-gradient(90deg,
        var(--gold-dark) 0 3px, var(--gold) 3px 5px,
        var(--gold-dark) 5px 8px, transparent 8px 13px,
        transparent 13px 26px);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 46px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    font-size: 22px;
    background: radial-gradient(circle at 32% 30%, var(--marble-3), var(--marble-2));
    border: 2px solid var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 14px rgba(212, 175, 55, 0.35);
}

.footer-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.2;
}

.footer-name span {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--gold-deep);
    letter-spacing: 0.24em;
}

.footer-desc {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.7;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold-deep);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul a {
    font-size: 14px;
    color: var(--ink-soft);
    transition: color var(--transition), padding-left var(--transition);
}

.footer-col ul a:hover {
    color: var(--gold-deep);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 24px;
    border-top: 2px solid var(--line-strong);
    font-size: 13px;
    color: var(--ink-faint);
}

.footer-heart {
    color: var(--ink-faint);
}

/* ============================================================
   ANIMACIONES DE APARICIÓN (estilos base para cards que el JS anima)
   ============================================================ */
.astronomer-card,
.tool-card,
.fact-card {
    will-change: opacity, transform;
}

/* ============================================================
   DECORACIÓN GRIEGA - COLUMNAS LATERALES DEL TEMPLO NOCTURNO
   ============================================================ */
.temple-columns {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}

.decor-column {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 56px;
    display: flex;
    flex-direction: column;
    opacity: 0.4;
    filter: drop-shadow(0 0 22px rgba(0, 0, 0, 0.55));
}

.decor-column .decor-cap {
    height: 36px;
    flex-shrink: 0;
    position: relative;
    background: linear-gradient(180deg, var(--marble-3), var(--marble-2));
    border: 2px solid var(--gold);
    border-radius: 4px;
    box-shadow: inset 0 -8px 14px rgba(0, 0, 0, 0.35);
}

.decor-column .decor-cap::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -7px;
    transform: translateX(-50%);
    width: 70%;
    height: 7px;
    background: linear-gradient(180deg, var(--gold-light), var(--gold-dark));
    border-radius: 2px;
}

.decor-column .decor-shaft {
    flex: 1;
    background: repeating-linear-gradient(90deg,
        var(--marble-3) 0 7px, var(--marble-2) 7px 8px,
        var(--marble) 8px 16px);
    border-left: 1px solid rgba(212, 175, 55, 0.35);
    border-right: 1px solid rgba(212, 175, 55, 0.35);
}

.decor-column .decor-base {
    height: 34px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--marble-3), var(--marble-2));
    border: 2px solid var(--gold);
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: inset 0 10px 16px rgba(0, 0, 0, 0.35);
}

.decor-column.col-left { left: 10px; }
.decor-column.col-right { right: 10px; }

/* ============================================================
   HERO - ESTRELLAS DE 8 PUNTAS Y LAUROS DE AMBIENTE
   ============================================================ */
.hero-decor {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-decor .star8 {
    position: absolute;
    opacity: 0.28;
    animation: twinkle 3.2s ease-in-out infinite;
}

.hero-decor .star8::before,
.hero-decor .star8::after {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
}

.star-decor.d1 { width: 14px; height: 14px; top: 16%; left: 10%; animation-delay: 0.2s; }
.star-decor.d2 { width: 10px; height: 10px; top: 26%; right: 12%; animation-delay: 0.8s; }
.star-decor.d3 { width: 18px; height: 18px; bottom: 22%; left: 16%; animation-delay: 1.4s; }
.star-decor.d4 { width: 9px; height: 9px; bottom: 30%; right: 18%; animation-delay: 0.5s; }
.star-decor.d5 { width: 12px; height: 12px; top: 54%; left: 46%; animation-delay: 1.9s; }

.hero-decor .laurel {
    position: absolute;
    font-size: 34px;
    opacity: 0.16;
    filter: grayscale(0.4);
}

.hero-decor .laurel.l1 { top: 14%; right: 24%; transform: rotate(-12deg); }
.hero-decor .laurel.l2 { bottom: 18%; left: 30%; transform: rotate(10deg); }
.hero-decor .laurel.l3 { top: 40%; left: 7%; font-size: 30px; opacity: 0.12; }

@keyframes twinkle {
    0%, 100% { opacity: 0.12; transform: scale(0.9); }
    50% { opacity: 0.4; transform: scale(1.1); }
}

/* ============================================================
   SECCIONES - FRISO DE GRECAS (MEANDRO GRIEGO) ARRIBA Y ABAJO
   ============================================================ */
.section::before,
.section::after {
    content: '';
    display: block;
    height: 14px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath fill='none' stroke='%23d4af37' stroke-width='2' d='M2 20 h12 V10 h-6 v4 h2 v-2 h2 v6 h-8 V4 h14 v8 h2 v8 h4'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    background-size: 24px 24px;
    opacity: 0.38;
}

.section::before {
    margin-bottom: 46px;
}

.section::after {
    margin-top: 46px;
}

/* ============================================================
   ASTRONOMÍA VENEZOLANA - SALA II
   ============================================================ */
.venezuela-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.venezuela-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 26px 24px;
    background: var(--surface-panel);
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--gold);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.venezuela-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    border-style: solid;
    border-width: 0 36px 36px 0;
    border-color: transparent var(--gold) transparent transparent;
    opacity: 0.16;
    pointer-events: none;
}

.venezuela-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
}

.venezuela-card .ven-icon {
    display: inline-block;
    font-size: 30px;
    margin-bottom: 12px;
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.4));
}

.venezuela-card .ven-year {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--gold-deep);
    margin-bottom: 10px;
}

.venezuela-card h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--ink);
    margin-bottom: 8px;
}

.venezuela-card p {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.65;
    margin-bottom: 16px;
    flex: 1;
}

.venezuela-card .ven-tag {
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold-deep);
    background: rgba(212, 175, 55, 0.10);
    border: 1px solid rgba(212, 175, 55, 0.45);
    padding: 4px 12px;
    border-radius: 3px;
}

.venezuela-note {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-top: 28px;
    padding: 20px 24px;
    background: linear-gradient(120deg, var(--marble-3), var(--marble-2));
    border: 1px solid var(--gold-light);
    border-left: 4px solid var(--gold-dark);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.venezuela-note p {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.7;
}

.venezuela-note a {
    color: var(--blue);
    font-weight: 600;
}

.venezuela-note a:hover {
    color: var(--gold-deep);
}

/* ============================================================
   PERIÓDICO - SALA RAÍCES INDÍGENAS DEL CIELO
   Hoja de papel envejecido con tinta oscura, a dos columnas.
   ============================================================ */
.newspaper {
    max-width: 920px;
    margin: 0 auto;
    padding: 40px clamp(20px, 5vw, 56px) 46px;
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 250, 235, 0.5), transparent 55%),
        var(--marble-light);
    color: #241d12;
    border-top: 6px double var(--gold);
    border-bottom: 6px double var(--gold);
    box-shadow: var(--shadow-card);
}

.np-masthead {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    text-align: center;
    text-transform: uppercase;
    color: #6b5a35;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(36, 29, 18, 0.35);
}

.np-headline {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.8rem, 5.4vw, 2.7rem);
    line-height: 1.12;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: #1c1610;
    margin-top: 24px;
}

.np-subhead {
    font-style: italic;
    font-size: clamp(17px, 2.4vw, 20px);
    line-height: 1.5;
    text-align: center;
    color: #4a3d26;
    max-width: 640px;
    margin: 14px auto 0;
}

.np-dateline {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: #6b5a35;
    margin-top: 22px;
    padding: 10px 0;
    border-top: 1px solid rgba(36, 29, 18, 0.35);
    border-bottom: 3px double rgba(36, 29, 18, 0.45);
}

.np-figure {
    margin: 26px 0 20px;
}

.np-figure img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid rgba(36, 29, 18, 0.35);
    filter: sepia(0.28) contrast(1.02);
}

.np-figure figcaption {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: #6b5a35;
    padding-top: 9px;
}

.np-body {
    column-count: 2;
    column-gap: 36px;
    column-rule: 1px solid rgba(36, 29, 18, 0.18);
    font-size: 16.5px;
    line-height: 1.72;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.np-body p {
    margin-bottom: 15px;
}

.np-body p:last-child {
    margin-bottom: 0;
}

.np-lead::first-letter {
    float: left;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 3.6em;
    line-height: 0.82;
    padding: 6px 10px 0 0;
    color: var(--terra);
}

.np-cross {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: #8a5a2e;
    margin: 20px 0 8px;
}

.np-cross::before {
    content: '✦ ';
    color: var(--gold-deep);
}

/* ============================================================
   RESPONSIVE - INTERMEDIO (<= 1320px)
   ============================================================ */
@media (max-width: 1320px) {
    .nav-links .console-btn {
        font-size: 11px;
        padding: 7px 8px;
    }

    .nav-links {
        gap: 1px;
    }
}

/* ============================================================
   RESPONSIVE - INTERMEDIO (<= 1150px)
   ============================================================ */
@media (max-width: 1150px) {
    .nav-links .console-btn {
        font-size: 10px;
        padding: 6px 7px;
        letter-spacing: 0.02em;
    }

    .nav-links {
        gap: 0;
    }

    .decor-column {
        width: 42px;
        opacity: 0.26;
    }
}

/* ============================================================
   RESPONSIVE - TABLETS EN HORIZONTAL (menú con scroll si falta espacio)
   ============================================================ */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-links {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }
}

/* ============================================================
   RESPONSIVE - TABLET (<= 992px)
   ============================================================ */
@media (max-width: 992px) {
    .astronomers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .semilleros-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .venezuela-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .planet-display {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 32px;
    }

    .planet-info h3 {
        text-align: center;
    }

    .planet-description {
        max-width: 560px;
        margin: 0 auto;
    }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================================
   RESPONSIVE - MÓVIL (<= 768px)
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --navbar-h: 62px;
    }

    .navbar-inner {
        padding: 0 16px;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: var(--navbar-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 14px 16px 20px;
        background: linear-gradient(180deg, rgba(20, 29, 52, 0.97), rgba(10, 15, 30, 0.98));
        border-bottom: 3px solid var(--gold);
        box-shadow: 0 24px 40px rgba(0, 0, 0, 0.55);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.4s ease, opacity 0.4s ease, padding 0.4s ease;
    }

    .nav-links.active {
        max-height: 620px;
        opacity: 1;
    }

    .nav-links .console-btn {
        font-size: 14px;
        padding: 12px 16px;
        border-radius: 4px;
    }

    .nav-links .console-btn.active::after {
        display: none;
    }

    .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .hero {
        padding: calc(var(--navbar-h) + 34px) 18px 70px;
    }

    .columns-row {
        gap: 6px;
        padding: 0 14px;
    }

    .column {
        width: 34px;
        height: 104px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-panel {
        min-width: 0;
        padding: 14px 16px;
    }

    .live-panel {
        flex-direction: column;
        padding: 22px;
        gap: 18px;
    }

    .live-data {
        width: 100%;
        grid-template-columns: 1fr 1fr;
    }

    .section {
        padding: 72px 0;
    }

    .astronomers-grid,
    .semilleros-grid,
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .venezuela-grid {
        grid-template-columns: 1fr;
    }

    .temple-columns {
        display: none;
    }

    .tool-card.wide {
        grid-column: auto;
    }

    .solar-facts {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .sim-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .sim-elapsed {
        text-align: center;
    }

    .timeline-item {
        grid-template-columns: 70px 1fr;
        gap: 14px;
    }

    .tl-year {
        font-size: 17px;
    }

    .weight-results,
    .age-results {
        grid-template-columns: 1fr;
    }

    .input-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .input-row span {
        text-align: left;
    }

    .sky-planet {
        grid-template-columns: 26px 70px 1fr;
    }

    .sky-planet-status {
        grid-column: 1 / -1;
        text-align: left;
    }

    .stellarium-frame {
        height: 60vh;
        min-height: 360px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .fact-content {
        padding: 30px 22px;
    }

    .fact-number {
        font-size: 48px;
    }

    /* Periódico a una columna en pantallas pequeñas */
    .np-body {
        column-count: 1;
        text-align: left;
        -webkit-hyphens: none;
        hyphens: none;
    }

    .newspaper {
        padding-bottom: 34px;
    }
}

/* ============================================================
   RESPONSIVE - MÓVIL PEQUEÑO (<= 480px)
   ============================================================ */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .brand-text {
        font-size: 12px;
    }

    .brand-text span {
        font-size: 9px;
    }

    .hero-title {
        font-size: clamp(1.9rem, 9vw, 2.5rem);
    }

    .hero-badge {
        font-size: 10px;
        letter-spacing: 0.16em;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }

    .live-data {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .solar-facts {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .planet-display {
        padding: 24px 18px;
    }

    .planet-sphere {
        width: 150px;
        height: 150px;
    }

    .planet-selector {
        gap: 8px;
    }

    .planet-btn {
        font-size: 10px;
        padding: 9px 12px;
    }

    .pediment {
        height: 62px;
        margin: 0 18px;
    }

    .columns-row {
        display: none;
    }

    .timeline {
        padding-left: 22px;
    }

    .timeline::before {
        left: 6px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .timeline-item::before {
        left: -21px;
        top: 20px;
    }

    .tl-year {
        text-align: left;
        padding-top: 0;
    }

    .mass-visualization {
        flex-direction: column;
    }

    .force-arrow {
        transform: rotate(90deg);
    }

    .scale-labels {
        font-size: 9px;
    }

    .preset-buttons .preset-btn {
        flex: 1 1 40%;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================================
   ACCESIBILIDAD - MOVIMIENTO REDUCIDO
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================================
   RENDIMIENTO - AHORRO DE BATERÍA EN MÓVIL
   Las animaciones infinitas (brillo del sol, titileo de estrellas,
   flecha rebotando) se detienen en pantallas táctiles pequeñas.
   ============================================================ */
@media (max-width: 768px) {
    .sun-sphere,
    .hero-decor .star8,
    .hero-scroll {
        animation: none !important;
    }

    /* Sombras gigantes cuestan memoria de GPU en equipos modestos */
    .planet-sphere::after {
        box-shadow: 0 0 30px rgba(212, 175, 55, 0.25);
    }

    .sun-sphere {
        box-shadow: inset -30px -24px 55px rgba(120, 40, 0, 0.4), 0 0 40px rgba(255, 190, 60, 0.45);
    }
}