/* ══════════════════════════════════════════════════════════
   NUEVA EDUCACIÓN · Hoja de estilos principal
   ══════════════════════════════════════════════════════════ */

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    transition:
        background-color 0.45s ease,
        color 0.45s ease;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }


/* ══════════════════════════════════════════════════════════
   TEMAS (CSS custom properties)
   ══════════════════════════════════════════════════════════ */

/* ─── Natura ────────────────────────────────────────────── */
body.theme-natura {
    --color-primary:      #3D8B5E;
    --color-secondary:    #7C9E52;
    --color-accent:       #C8A84B;
    --color-bg:           #080F09;
    --color-bg-alt:       #0D1A0F;
    --color-surface:      rgba(61,139,94,.12);
    --color-surface-h:    rgba(61,139,94,.22);
    --color-text:         #E2DAB8;
    --color-text-s:       #F5EFDB;
    --color-text-m:       rgba(226,218,184,.78);
    --color-border:       rgba(124,158,82,.34);
    --color-geo:          rgba(61,139,94,.30);
    --color-nav-bg:       rgba(8,15,9,.97);
    --color-nav-text:     #92D994;
    --color-btn-bg:       #3D8B5E;
    --color-btn-text:     #F5EFDB;
    --color-tag-bg:       rgba(61,139,94,.22);
    --color-tag-text:     #7ACE9C;
    --color-fig-icon:     #8FDBA2;
    --color-dot:          #C8A84B;
    --font-heading:       'Cinzel', 'Times New Roman', serif;
    --font-body:          'Raleway', 'Segoe UI', sans-serif;
    --font-size-base:     16px;
    --radius:             10px;
    --radius-btn:         6px;
    --shadow-card:        0 4px 32px rgba(0,0,0,.5), 0 0 60px rgba(30,70,30,.18);
    --hero-overlay:       linear-gradient(135deg, rgba(8,15,9,.97) 0%, rgba(8,15,9,.68) 60%, transparent 100%);
}

/* ─── Luz ───────────────────────────────────────────────── */
body.theme-luz {
    --color-primary:      #C47F17;
    --color-secondary:    #E8A020;
    --color-accent:       #F5C842;
    --color-bg:           #FFFDF5;
    --color-bg-alt:       #FFF8E0;
    --color-surface:      rgba(196,127,23,.08);
    --color-surface-h:    rgba(196,127,23,.16);
    --color-text:         #3D2E0A;
    --color-text-s:       #1A1200;
    --color-text-m:       rgba(61,46,10,.50);
    --color-border:       rgba(196,127,23,.28);
    --color-geo:          rgba(232,160,32,.30);
    --color-nav-bg:       rgba(255,253,245,.97);
    --color-nav-text:     #A86A10;
    --color-btn-bg:       #C47F17;
    --color-btn-text:     #FFFDF5;
    --color-tag-bg:       rgba(245,200,66,.22);
    --color-tag-text:     #8A5800;
    --color-dot:          #E8A020;
    --font-heading:       'Cinzel', 'Times New Roman', serif;
    --font-body:          'Raleway', 'Segoe UI', sans-serif;
    --font-size-base:     16px;
    --radius:             8px;
    --radius-btn:         5px;
    --shadow-card:        0 4px 24px rgba(180,120,0,.12), 0 1px 6px rgba(180,120,0,.08);
    --hero-overlay:       linear-gradient(135deg, rgba(255,253,245,.96) 0%, rgba(255,248,224,.75) 60%, transparent 100%);
}

/* ─── Niños ─────────────────────────────────────────────── */
body.theme-ninos {
    --color-primary:      #E85A1A;
    --color-secondary:    #FFD700;
    --color-accent:       #2E9E52;
    --color-bg:           #FFFDF5;
    --color-bg-alt:       #FFF5E0;
    --color-surface:      rgba(232,90,26,.10);
    --color-surface-h:    rgba(232,90,26,.19);
    --color-text:         #2E1F0F;
    --color-text-s:       #170E04;
    --color-text-m:       rgba(46,31,15,.60);
    --color-border:       rgba(232,90,26,.32);
    --color-geo:          rgba(232,90,26,.22);
    --color-nav-bg:       rgba(232,90,26,.96);
    --color-nav-text:     #FFFFFF;
    --color-btn-bg:       #E85A1A;
    --color-btn-text:     #FFFFFF;
    --color-tag-bg:       rgba(255,215,0,.32);
    --color-tag-text:     #6A3A00;
    --color-dot:          #E85A1A;
    --font-heading:       'Fredoka', 'Comic Sans MS', cursive;
    --font-body:          'Fredoka', 'Comic Sans MS', cursive;
    --font-size-base:     18px;
    --radius:             22px;
    --radius-btn:         50px;
    --shadow-card:        0 6px 24px rgba(232,90,26,.20);
    --hero-overlay:       linear-gradient(135deg, rgba(255,253,245,.95) 0%, rgba(255,248,230,.72) 60%, transparent 100%);
}

/* ─── Niñas ─────────────────────────────────────────────── */
body.theme-ninas {
    --color-primary:      #B5124F;
    --color-secondary:    #8B1FA8;
    --color-accent:       #F06292;
    --color-bg:           #FFF0F8;
    --color-bg-alt:       #FFE4F2;
    --color-surface:      rgba(181,18,79,.09);
    --color-surface-h:    rgba(181,18,79,.17);
    --color-text:         #3D1035;
    --color-text-s:       #220620;
    --color-text-m:       rgba(61,16,53,.58);
    --color-border:       rgba(181,18,79,.28);
    --color-geo:          rgba(181,18,79,.20);
    --color-nav-bg:       linear-gradient(135deg,#B5124F 0%,#8B1FA8 100%);
    --color-nav-text:     #FFFFFF;
    --color-btn-bg:       linear-gradient(135deg,#B5124F,#8B1FA8);
    --color-btn-text:     #FFFFFF;
    --color-tag-bg:       rgba(240,98,146,.22);
    --color-tag-text:     #B5124F;
    --color-dot:          #B5124F;
    --font-heading:       'Pacifico', cursive;
    --font-body:          'Raleway', sans-serif;
    --font-size-base:     17px;
    --radius:             18px;
    --radius-btn:         50px;
    --shadow-card:        0 6px 24px rgba(181,18,79,.16);
    --hero-overlay:       linear-gradient(135deg, rgba(255,240,248,.95) 0%, rgba(255,228,242,.72) 60%, transparent 100%);
}


/* ══════════════════════════════════════════════════════════
   TIPOGRAFÍA
   ══════════════════════════════════════════════════════════ */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-text-s);
    line-height: 1.2;
    transition: color 0.4s;
}

p { transition: color 0.4s; }


/* ══════════════════════════════════════════════════════════
   LAYOUT HELPERS
   ══════════════════════════════════════════════════════════ */
.container {
    width: min(1100px, 92vw);
    margin-inline: auto;
}

.section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.section:nth-child(even) { background-color: var(--color-bg-alt); }

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 50px;
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    margin-bottom: 16px;
    transition: background 0.4s, color 0.4s;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    transition: color 0.4s;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-m);
    transition: color 0.4s;
}

.cards-grid {
    display: grid;
    gap: 28px;
}

.three-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }


/* ══════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    inset-inline: 0;
    z-index: 1000;
    background: var(--color-nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
}

.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.35); }

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    width: min(1200px, 96vw);
    margin-inline: auto;
    gap: 16px;
}

/* Brand */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-icon {
    width: 36px;
    height: 36px;
    color: var(--color-nav-text);
    transition: color 0.4s;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-nav-text);
    white-space: nowrap;
    transition: color 0.4s, font-family 0.4s;
}

/* Nav right */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Theme switcher */
.theme-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.theme-label {
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-nav-text);
    opacity: .7;
    transition: color 0.4s;
}

.theme-buttons {
    display: flex;
    gap: 4px;
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    background: transparent;
    color: var(--color-nav-text);
    font-family: var(--font-body);
    font-size: .78rem;
    cursor: pointer;
    transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.2s;
}

.theme-btn:hover {
    background: var(--color-surface);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.theme-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.tbtn-icon { font-size: .9rem; }
.tbtn-text { font-weight: 500; }

/* Login button */
.login-btn {
    padding: 8px 20px;
    border-radius: var(--radius-btn);
    background: var(--color-btn-bg);
    color: var(--color-btn-text);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: .88rem;
    letter-spacing: .04em;
    border: 2px solid transparent;
    cursor: not-allowed;
    opacity: .85;
    transition: background 0.4s, opacity 0.3s, transform 0.2s, border-radius 0.4s;
}

.login-btn:hover { opacity: 1; transform: translateY(-1px); }


/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
    background-color: var(--color-bg);
    transition: background-color 0.45s;
}

/* Background geometry */
.hero-geo-bg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    pointer-events: none;
    overflow: hidden;
}

.hero-geo-bg svg {
    width: 90vmin;
    height: 90vmin;
    opacity: .18;
    color: var(--color-secondary);
    animation: slow-rotate 80s linear infinite;
    transform-origin: center;
}

/* Overlay gradient on hero */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
    z-index: 1;
    pointer-events: none;
    transition: background 0.45s;
}

.hero-inner {
    position: relative;
    z-index: 2;
    width: min(1200px, 96vw);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 60px 0;
}

.hero-content {
    flex: 1 1 500px;
    max-width: 640px;
}

.hero-tag {
    display: inline-block;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 50px;
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    margin-bottom: 24px;
    transition: background 0.4s, color 0.4s;
}

.hero-title {
    display: flex;
    flex-direction: column;
    font-size: clamp(2.8rem, 7vw, 5rem);
    line-height: 1.05;
    margin-bottom: 28px;
    color: var(--color-text-s);
    transition: color 0.4s, font-family 0.4s;
}

.hero-title span:last-child {
    color: var(--color-secondary);
    transition: color 0.4s;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--color-text);
    margin-bottom: 32px;
    font-weight: 300;
    line-height: 1.8;
}

.hero-quote {
    border-left: 3px solid var(--color-secondary);
    padding: 16px 20px;
    margin-bottom: 40px;
    font-style: italic;
    font-size: 1.05rem;
    color: var(--color-text-m);
    line-height: 1.75;
    transition: border-color 0.4s, color 0.4s;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-btn);
    background: var(--color-btn-bg);
    color: var(--color-btn-text);
    font-family: var(--font-heading);
    font-size: .95rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.4s, transform 0.25s, box-shadow 0.25s, border-radius 0.4s;
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,.3);
}

/* Floating geometry right side */
.hero-float-geo {
    flex: 0 0 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-float-geo svg {
    width: 360px;
    height: 360px;
    color: var(--color-primary);
    opacity: .55;
    animation: slow-rotate 40s linear infinite, float-geo 6s ease-in-out infinite;
}


/* ══════════════════════════════════════════════════════════
   VISION CARDS
   ══════════════════════════════════════════════════════════ */
.info-card {
    position: relative;
    padding: 36px 32px;
    border-radius: var(--radius);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition:
        background 0.4s, border-color 0.4s,
        transform 0.3s, box-shadow 0.3s,
        border-radius 0.4s;
}

.info-card:hover {
    background: var(--color-surface-h);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.card-geo {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    opacity: .35;
    color: var(--color-geo);
    pointer-events: none;
    transition: color 0.4s;
}

.card-geo svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.info-card p {
    font-size: .95rem;
    color: var(--color-text);
    position: relative;
    z-index: 1;
    line-height: 1.75;
}


/* ══════════════════════════════════════════════════════════
   ÁRBOL / TREE SECTION
   ══════════════════════════════════════════════════════════ */
.tree-layout {
    display: flex;
    align-items: center;
    gap: 80px;
    flex-wrap: wrap;
}

.tree-visual-col {
    flex: 0 0 340px;
    display: flex;
    justify-content: center;
}

.tree-geo-wrapper {
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metatron-svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
    opacity: .75;
    animation: slow-rotate 40s linear infinite;
    transition: color 0.4s;
}

.tree-text-col {
    flex: 1 1 380px;
}

.tree-intro {
    font-size: 1.1rem;
    margin-bottom: 32px;
    color: var(--color-text);
    line-height: 1.8;
}

.tree-points {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tree-points li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: .98rem;
    color: var(--color-text);
    line-height: 1.7;
}

.point-dot {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-dot);
    margin-top: 7px;
    transition: background 0.4s;
}


/* ══════════════════════════════════════════════════════════
   MÓDULOS
   ══════════════════════════════════════════════════════════ */
.modules-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.module-card {
    position: relative;
    padding: 32px 28px 28px;
    border-radius: var(--radius);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    overflow: hidden;
    cursor: default;
    transition:
        background 0.4s, border-color 0.4s,
        transform 0.3s, box-shadow 0.3s,
        border-radius 0.4s;
}

.module-card:hover {
    background: var(--color-surface-h);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.module-geo-wrap {
    position: absolute;
    bottom: -15px;
    right: -15px;
    width: 90px;
    height: 90px;
    opacity: .3;
    pointer-events: none;
    transition: opacity 0.3s;
}

.module-card:hover .module-geo-wrap { opacity: .55; }

.module-geo-wrap svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
    animation: slow-rotate 40s linear infinite;
}

.module-num {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: .25;
    line-height: 1;
    margin-bottom: 8px;
    transition: color 0.4s;
}

.module-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.module-card p {
    font-size: .9rem;
    color: var(--color-text-m);
    margin-bottom: 18px;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.module-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    position: relative;
    z-index: 1;
}

.module-tags span {
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 50px;
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    transition: background 0.4s, color 0.4s;
}


/* ══════════════════════════════════════════════════════════
   SECTION EDADES
   ══════════════════════════════════════════════════════════ */
.section-ages { background-color: var(--color-bg-alt); }

.section-geo-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.section-geo-bg svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 70vmin;
    height: 70vmin;
    color: var(--color-primary);
    opacity: .06;
    animation: slow-rotate 120s linear infinite;
}

.ages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.age-card {
    position: relative;
    padding: 40px 24px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    text-align: center;
    cursor: pointer;
    overflow: hidden;
    transition:
        background 0.3s, border-color 0.3s,
        transform 0.3s, box-shadow 0.3s,
        border-radius 0.4s;
}

.age-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
}

.age-natura     { background: rgba(61,139,94,.12); }
.age-luz        { background: rgba(232,184,75,.10); }
.age-ninos      { background: rgba(255,107,43,.1); }
.age-ninas      { background: rgba(194,24,91,.1); }

.age-card:hover.age-natura     { background: rgba(61,139,94,.22); border-color: #3D8B5E; }
.age-card:hover.age-luz        { background: rgba(232,184,75,.22); border-color: #E8B84B; }
.age-card:hover.age-ninos      { background: rgba(255,107,43,.2); border-color: #FF6B2B; }
.age-card:hover.age-ninas      { background: rgba(194,24,91,.18); border-color: #C2185B; }

.age-geo {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: .12;
}

.age-geo svg {
    width: 90%;
    height: 90%;
    animation: slow-rotate 60s linear infinite;
}

.age-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.age-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.age-card p {
    font-size: .88rem;
    color: var(--color-text-m);
    position: relative;
    z-index: 1;
}


/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.footer {
    position: relative;
    padding: 60px 0 40px;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    overflow: hidden;
    transition: background-color 0.45s, border-color 0.4s;
}

.footer-geo-wrap {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: .06;
}

.footer-geo-wrap svg {
    width: 40vmin;
    height: 40vmin;
    color: var(--color-secondary);
    animation: slow-rotate 100s linear infinite;
}

.footer-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-s);
    transition: color 0.4s, font-family 0.4s;
}

.footer-icon {
    width: 32px;
    height: 32px;
    color: var(--color-secondary);
    transition: color 0.4s;
}

.footer-tagline {
    font-style: italic;
    color: var(--color-text-m);
    font-size: 1rem;
}

.footer-copy {
    font-size: .78rem;
    color: var(--color-text-m);
    letter-spacing: .05em;
}


/* ══════════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════════ */
@keyframes slow-rotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes float-geo {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-18px); }
}


/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 860px) {
    .hero-inner { flex-direction: column; gap: 40px; }
    .hero-float-geo { flex: 0 0 auto; }
    .hero-float-geo svg { width: 260px; height: 260px; }
    .tree-layout { flex-direction: column; gap: 40px; }
    .tree-visual-col { flex: 0 0 auto; }
}

/* ── Theme nav selector (always visible, both pages) ── */
.theme-nav-wrap {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-shrink: 0;
}
.theme-nav-label {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .05em;
    color: var(--color-nav-text);
    white-space: nowrap;
    opacity: .85;
    transition: color .4s;
}
.theme-nav-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--color-bg-alt);
    color: var(--color-text-s);
    border: 1.5px solid var(--color-primary);
    border-radius: 50px;
    padding: 5px 12px;
    font-family: var(--font-body);
    font-size: .8rem;
    font-weight: 700;
    cursor: pointer;
    outline: none;
    transition: border-color .2s;
}
.theme-nav-select option {
    background: var(--color-bg-alt);
    color: var(--color-text-s);
}
.theme-nav-select:focus { border-color: var(--color-accent); }

/* Mobile only */
.mobile-select { display: none; }

@media (max-width: 768px) {
    .nav-container { gap: 8px; padding: 0 10px; width: 100%; }
    .section { padding: 70px 0; }
    .hero-float-geo { display: none; }
    .nav-right { display: none; }
}

@media (max-width: 640px) {
    .section { padding: 50px 0; }
}