/* ═══════════════════════════════════════════════════════════════
   UCIPS · Preregistro — Premium Design System
   Universidad de las Ciencias Policiales y de la Seguridad
   del Estado de Puebla
   ═══════════════════════════════════════════════════════════════ */

/* ─── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
    /* Brand Colors */
    --gold:              #d4af37;
    --gold-light:        #f0d060;
    --gold-pale:         #fdf3c0;
    --gold-dim:          rgba(212, 175, 55, 0.12);
    --gold-border:       rgba(212, 175, 55, 0.30);
    --gold-glow:         rgba(212, 175, 55, 0.20);
    --gold-glow-strong:  rgba(212, 175, 55, 0.40);

    /* Background Palette */
    --navy-deep:         #020810;
    --navy-mid:          #040d1a;
    --navy-surface:      #071224;
    --navy-card:         rgba(7, 18, 36, 0.75);

    /* Glass Layers */
    --glass-white:       rgba(255, 255, 255, 0.042);
    --glass-white-md:    rgba(255, 255, 255, 0.07);
    --glass-border:      rgba(255, 255, 255, 0.08);
    --glass-border-md:   rgba(255, 255, 255, 0.13);

    /* Text */
    --text-primary:      #f0f2f5;
    --text-secondary:    #c8ccda;
    --text-muted:        #8898aa;
    --text-accent:       var(--gold-light);

    /* Accents – program card top bars */
    --accent-blue:       #3a7bd5;
    --accent-purple:     #7c4dff;
    --accent-teal:       #00c9a7;
    --accent-red:        #e63946;
    --accent-orange:     #f77f00;

    /* Spacing */
    --section-gap:       100px;
    --card-radius:       28px;
    --inner-radius:      18px;
    --pill-radius:       50px;

    /* Shadows */
    --shadow-sm:         0 4px 20px rgba(0,0,0,.25);
    --shadow-md:         0 12px 40px rgba(0,0,0,.35);
    --shadow-lg:         0 24px 60px rgba(0,0,0,.45);
    --shadow-gold:       0 16px 48px rgba(212,175,55,.22);

    /* Transitions */
    --ease-out:          cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring:       cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Blur */
    --blur-md:           blur(20px);
    --blur-lg:           blur(32px);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--navy-deep);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── ANIMATED BACKGROUND ────────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 15% 25%,
            rgba(212, 175, 55, 0.09) 0%,
            transparent 55%),
        radial-gradient(ellipse 60% 45% at 85% 65%,
            rgba(58, 123, 213, 0.11) 0%,
            transparent 55%),
        radial-gradient(ellipse 70% 55% at 50% 90%,
            rgba(124, 77, 255, 0.08) 0%,
            transparent 55%),
        linear-gradient(165deg,
            var(--navy-deep) 0%,
            #060f1e 40%,
            #0a1628 70%,
            var(--navy-deep) 100%);
    animation: orbFloat 20s ease-in-out infinite alternate;
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 40% at 70% 20%,
            rgba(212, 175, 55, 0.06) 0%,
            transparent 50%),
        radial-gradient(ellipse 40% 35% at 20% 75%,
            rgba(58, 123, 213, 0.07) 0%,
            transparent 50%);
    animation: orbFloat2 26s ease-in-out infinite alternate;
    z-index: -1;
    pointer-events: none;
}

@keyframes orbFloat {
    0%   { transform: translate(0, 0) scale(1); }
    33%  { transform: translate(30px, -20px) scale(1.03); }
    66%  { transform: translate(-20px, 15px) scale(0.97); }
    100% { transform: translate(15px, -30px) scale(1.02); }
}

@keyframes orbFloat2 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-25px, 20px) scale(1.04); }
    100% { transform: translate(20px, -15px) scale(0.98); }
}

/* ─── CONTAINER ──────────────────────────────────────────────── */
.container {
    width: 92%;
    max-width: 1440px;
    margin: 0 auto;
}

/* ─── TOP NAV ────────────────────────────────────────────────── */
.top-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    margin: 0 -4%;
    padding-left: 4%;
    padding-right: 4%;
    transition: background 0.45s var(--ease-out),
                backdrop-filter 0.45s var(--ease-out),
                box-shadow 0.45s var(--ease-out),
                padding 0.35s var(--ease-out);
}

/* Scrolled state — added by JS when window.scrollY > 50 */
.top-nav.scrolled {
    background: rgba(4, 10, 24, 0.88);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    box-shadow: 0 1px 0 rgba(212,175,55,.12),
                0 8px 32px rgba(0,0,0,.40);
    padding-top: 12px;
    padding-bottom: 12px;
}

.top-nav-logo-text {
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0;
    transition: opacity 0.35s var(--ease-out);
}

.top-nav.scrolled .top-nav-logo-text {
    opacity: 1;
}

.top-nav-links {
    display: flex;
    gap: 10px;
    align-items: center;
}

.top-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    border-radius: var(--pill-radius);
    border: 1px solid var(--glass-border);
    background: var(--glass-white);
    color: rgba(255,255,255,.72);
    text-decoration: none;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .5px;
    transition: all 0.28s var(--ease-out);
    white-space: nowrap;
}

.top-nav-link:hover {
    color: var(--text-primary);
    border-color: var(--gold-border);
    background: var(--gold-dim);
    box-shadow: 0 4px 16px rgba(212,175,55,.12);
}

.top-nav-toggle {
    display: none;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(212,175,55,.18);
    border-radius: 16px;
    background: rgba(255,255,255,.04);
    color: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    transition: border-color 0.28s var(--ease-out),
                background 0.28s var(--ease-out),
                box-shadow 0.28s var(--ease-out);
}

.top-nav-toggle:hover {
    border-color: var(--gold-border);
    background: rgba(212,175,55,.10);
    box-shadow: 0 10px 24px rgba(0,0,0,.18);
}

.top-nav-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transform-origin: center;
    transition: transform 0.28s var(--ease-out), opacity 0.28s var(--ease-out);
}

.top-nav.menu-open .top-nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.top-nav.menu-open .top-nav-toggle span:nth-child(2) {
    opacity: 0;
}

.top-nav.menu-open .top-nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ─── HERO ───────────────────────────────────────────────────── */
header {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    border-radius: var(--card-radius);
    background: var(--glass-white);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    margin: 24px 0 var(--section-gap);
    box-shadow:
        var(--shadow-lg),
        inset 0 1px 0 rgba(255,255,255,.06);
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%,
            rgba(212,175,55,.08) 0%,
            transparent 65%);
    pointer-events: none;
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(212,175,55,.35) 50%,
        transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
}

/* Logo */
.logo-small {
    display: block;
    margin: 0 auto 40px;
    max-width: 220px;
    width: 100%;
    filter:
        drop-shadow(0 0 30px rgba(212,175,55,.40))
        drop-shadow(0 0 80px rgba(212,175,55,.18));
    animation: floatLogo 5s ease-in-out infinite alternate;
}

@keyframes floatLogo {
    from { transform: translateY(0); }
    to   { transform: translateY(-12px); }
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--pill-radius);
    background: rgba(212,175,55,.08);
    border: 1px solid rgba(212,175,55,.32);
    color: var(--gold-light);
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

/* Shimmer sweep on badge */
.hero-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255,255,255,.18),
        transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%   { left: -100%; }
    60%  { left: 140%; }
    100% { left: 140%; }
}

/* H1 */
h1 {
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.08;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: linear-gradient(
        135deg,
        var(--gold-pale) 0%,
        var(--gold) 35%,
        var(--gold-light) 65%,
        #e8c84a 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 0 28px rgba(212,175,55,.30));
    margin-bottom: 0;
}

.subtitle {
    margin-top: 28px;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.95;
    letter-spacing: .5px;
    max-width: 680px;
}

/* Hero Buttons */
.hero-buttons {
    margin-top: 48px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 42px;
    border-radius: var(--pill-radius);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: #0a0800;
    text-decoration: none;
    font-weight: 800;
    font-size: .9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.38s var(--ease-spring);
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(212,175,55,.28);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.30), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 140%;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 18px 48px rgba(212,175,55,.42);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 42px;
    border-radius: var(--pill-radius);
    border: 1px solid var(--glass-border-md);
    background: var(--glass-white);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.35s var(--ease-out);
    font-family: 'Montserrat', sans-serif;
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: var(--glass-white-md);
    border-color: var(--gold-border);
    color: var(--gold-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ─── STATS STRIP ────────────────────────────────────────────── */
.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    margin-bottom: var(--section-gap);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
}

.stat-block {
    background: rgba(5, 13, 30, 0.70);
    padding: 32px 20px;
    text-align: center;
    transition: background 0.30s ease;
}

.stat-block:hover {
    background: rgba(212,175,55,.06);
}

.stat-number {
    display: block;
    font-size: 2.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.stat-label {
    display: block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ─── SECTION TITLE ──────────────────────────────────────────── */
.section-title {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
    scroll-margin-top: 80px;
}

.section-title::before {
    content: '';
    flex-shrink: 0;
    width: 4px;
    height: 44px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--gold) 0%, var(--gold-light) 100%);
    box-shadow: 0 0 20px rgba(212,175,55,.35);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg,
        rgba(212,175,55,.25) 0%,
        transparent 100%);
}

/* ─── INFO CARDS ─────────────────────────────────────────────── */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: var(--section-gap);
}

.info-card {
    background: var(--glass-white);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    padding: 36px;
    transition: all 0.45s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(212,175,55,.50) 50%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.info-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold-border);
    box-shadow: var(--shadow-gold);
}

.info-card:hover::before {
    opacity: 1;
}

.info-card h2 {
    color: var(--gold);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 22px;
    font-weight: 700;
}

.valor-destacado {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -1px;
}

.tabla-cuotas {
    width: 100%;
    border-collapse: collapse;
}

.tabla-cuotas td {
    padding: 13px 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
    color: var(--text-secondary);
    font-size: .92rem;
}

.tabla-cuotas tr:last-child td {
    border-bottom: none;
}

.text-right {
    text-align: right;
    font-weight: 700;
    color: var(--text-primary);
}

/* ─── PROGRAMS GRID ──────────────────────────────────────────── */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(370px, 1fr));
    gap: 28px;
    margin-bottom: var(--section-gap);
}

/* Color accent bars — nth-child cycles through accent palette */
.program-card:nth-child(1) { --card-accent: var(--gold); }
.program-card:nth-child(2) { --card-accent: var(--accent-blue); }
.program-card:nth-child(3) { --card-accent: var(--accent-purple); }
.program-card:nth-child(4) { --card-accent: var(--accent-teal); }
.program-card:nth-child(5) { --card-accent: var(--accent-red); }
.program-card:nth-child(6) { --card-accent: var(--accent-orange); }
.program-card:nth-child(7) { --card-accent: var(--accent-blue); }
.program-card:nth-child(8) { --card-accent: var(--accent-purple); }

.program-card {
    background: var(--glass-white);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    padding: 0;
    transition: all 0.50s var(--ease-out);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* Colored top accent bar */
.program-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        var(--card-accent, var(--gold)) 0%,
        color-mix(in srgb, var(--card-accent, var(--gold)) 60%, white) 100%);
    transition: height 0.35s var(--ease-out);
}

.program-card:hover::before {
    height: 4px;
}

/* Card counter number in top-right */
.program-card::after {
    content: attr(data-index);
    position: absolute;
    top: 20px;
    right: 22px;
    font-size: 2.8rem;
    font-weight: 900;
    color: rgba(255,255,255,.04);
    line-height: 1;
    letter-spacing: -2px;
    pointer-events: none;
    user-select: none;
    transition: color 0.35s ease;
}

.program-card:hover::after {
    color: rgba(212,175,55,.06);
}

.program-card:hover {
    transform: translateY(-12px);
    border-color: rgba(212,175,55,.28);
    box-shadow:
        0 24px 64px rgba(0,0,0,.45),
        0 0 40px color-mix(in srgb, var(--card-accent, var(--gold)) 30%, transparent);
}

.program-card-inner {
    padding: 36px 36px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.prog-icon {
    font-size: 2.8rem;
    margin-bottom: 18px;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,.4));
}

.prog-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: var(--pill-radius);
    background: rgba(212,175,55,.08);
    border: 1px solid var(--gold-border);
    color: var(--gold-light);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 18px;
    width: fit-content;
}

.program-card h2 {
    font-size: 1.22rem;
    font-weight: 900;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 14px;
    line-height: 1.25;
}

.program-card > .program-card-inner > p,
.program-card p {
    color: var(--text-secondary);
    line-height: 1.85;
    font-size: .9rem;
    flex: 1;
}

.prog-meta {
    display: flex;
    gap: 14px;
    margin: 18px 0 0;
    flex-wrap: wrap;
    padding-top: 18px;
    border-top: 1px solid var(--glass-border);
}

.prog-meta span {
    color: var(--text-muted);
    font-size: .78rem;
    letter-spacing: .5px;
    font-weight: 500;
}

.prog-schedule {
    margin-top: 14px;
    padding: 14px 16px;
    border-radius: var(--inner-radius);
    background: rgba(255,255,255,.03);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: .84rem;
    line-height: 1.85;
}

.card-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.btn-card-primary {
    display: inline-flex;
    align-items: center;
    padding: 13px 26px;
    border-radius: var(--pill-radius);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: #0a0800;
    text-decoration: none;
    font-weight: 800;
    font-size: .78rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: all 0.35s var(--ease-spring);
    box-shadow: 0 6px 20px rgba(212,175,55,.22);
}

.btn-card-primary:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 12px 36px rgba(212,175,55,.38);
}

.btn-card-secondary {
    display: inline-flex;
    align-items: center;
    padding: 13px 26px;
    border-radius: var(--pill-radius);
    border: 1px solid var(--glass-border-md);
    background: var(--glass-white);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: .78rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: all 0.30s var(--ease-out);
    backdrop-filter: blur(8px);
}

.btn-card-secondary:hover {
    background: var(--glass-white-md);
    border-color: var(--gold-border);
    color: var(--gold-light);
    transform: translateY(-2px);
}

/* ─── PLAN DE ESTUDIOS ───────────────────────────────────────── */
.grid-cuatris {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: var(--section-gap);
}

/* Counter: cuatri cards get numbered headers using CSS counter */
.grid-cuatris {
    counter-reset: cuatri-counter;
}

.cuatri-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--card-radius);
    background: var(--glass-white);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    transition: all 0.50s var(--ease-out);
    counter-increment: cuatri-counter;
}

.cuatri-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold-border);
    box-shadow: var(--shadow-gold);
}

/* Gold gradient header band */
.cuatri-card h3 {
    margin: 0;
    padding: 20px 28px;
    background: linear-gradient(
        135deg,
        rgba(212,175,55,.18) 0%,
        rgba(212,175,55,.06) 100%
    );
    border-bottom: 1px solid rgba(212,175,55,.18);
    color: var(--gold-light);
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cuatri-card h3::before {
    content: counter(cuatri-counter, decimal-leading-zero);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--gold);
    opacity: .7;
    line-height: 1;
    flex-shrink: 0;
}

.materias {
    list-style: none;
    padding: 24px 28px;
}

.materias li {
    margin-bottom: 13px;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
    font-size: .88rem;
    line-height: 1.6;
}

.materias li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    opacity: .75;
    flex-shrink: 0;
}

/* ─── REQUISITOS ─────────────────────────────────────────────── */
.requisitos-box {
    padding: 44px;
    border-radius: var(--card-radius);
    background:
        linear-gradient(155deg,
            rgba(255,255,255,.05) 0%,
            rgba(10,20,36,.78) 45%,
            rgba(9,17,31,.92) 100%);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    margin-bottom: var(--section-gap);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 28px 80px rgba(0,0,0,.24),
        inset 0 1px 0 rgba(255,255,255,.05);
}

.requisitos-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(212,175,55,.55) 30%,
        rgba(212,175,55,.55) 70%,
        transparent 100%);
}

.requisitos-box::after {
    content: '';
    position: absolute;
    right: -100px;
    bottom: -120px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,175,55,.12) 0%, transparent 65%);
    pointer-events: none;
}

.req-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 30px;
}

.req-header-copy {
    max-width: 860px;
}

.req-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--pill-radius);
    background: rgba(212,175,55,.09);
    border: 1px solid var(--gold-border);
    color: var(--gold-light);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: 1.7px;
    text-transform: uppercase;
    margin-bottom: 18px;
    box-shadow: 0 8px 24px rgba(212,175,55,.10);
}

.req-intro {
    max-width: 720px;
    color: var(--text-secondary);
    font-size: .98rem;
    line-height: 1.9;
}

.req-counter {
    position: relative;
    z-index: 1;
    min-width: 170px;
    padding: 18px 22px;
    border-radius: 24px;
    border: 1px solid rgba(212,175,55,.20);
    background: linear-gradient(160deg, rgba(212,175,55,.12) 0%, rgba(255,255,255,.03) 100%);
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 16px 34px rgba(0,0,0,.16);
}

.req-counter-number {
    font-size: 2.5rem;
    line-height: 1;
    font-weight: 900;
    color: var(--gold-light);
}

.req-counter-label {
    color: var(--text-secondary);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: 1.7px;
    text-transform: uppercase;
}

.req-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px;
    position: relative;
    z-index: 1;
}

.req-card {
    position: relative;
    min-height: 188px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    padding: 22px;
    border-radius: 24px;
    background: linear-gradient(160deg, rgba(18,30,50,.74) 0%, rgba(9,17,30,.95) 100%);
    border: 1px solid rgba(255,255,255,.08);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.04),
        0 12px 28px rgba(0,0,0,.14);
    transition: transform 0.38s var(--ease-out), border-color 0.38s var(--ease-out), box-shadow 0.38s var(--ease-out);
    overflow: hidden;
}

.req-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(212,175,55,.15) 0%, transparent 46%);
    opacity: 0;
    transition: opacity 0.38s var(--ease-out);
}

.req-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-border);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.06),
        0 18px 42px rgba(0,0,0,.22);
}

.req-card:hover::before {
    opacity: 1;
}

.req-card--conditional {
    border-color: rgba(212,175,55,.20);
    background: linear-gradient(160deg, rgba(38,36,42,.82) 0%, rgba(17,22,33,.95) 100%);
}

.req-card-head {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.req-card-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: #120f00;
    font-size: 1rem;
    font-weight: 900;
    box-shadow: 0 12px 24px rgba(212,175,55,.22);
}

.req-card-index {
    color: rgba(240,208,96,.72);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.req-card-text {
    position: relative;
    z-index: 1;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.65;
    max-width: 22ch;
}

.req-card-tag {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.05);
    color: var(--text-secondary);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.req-card--conditional .req-card-tag {
    color: var(--gold-light);
    border-color: rgba(212,175,55,.24);
    background: rgba(212,175,55,.10);
}

/* ─── DESCARGAS ──────────────────────────────────────────────── */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
    margin-top: 28px;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    border-radius: 22px;
    text-decoration: none;
    background: var(--glass-white);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    transition: all 0.42s var(--ease-out);
    position: relative;
    overflow: hidden;
}

/* Gradient border effect on hover */
.btn-download::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 22px;
    padding: 1px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light), transparent);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.btn-download:hover::before {
    opacity: 1;
}

.btn-download:hover {
    transform: translateY(-8px) scale(1.02);
    background: var(--glass-white-md);
    box-shadow: var(--shadow-gold);
}

.btn-download .btn-download-icon {
    font-size: 2rem;
    flex-shrink: 0;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,.3));
}

.btn-download span {
    font-weight: 700;
    font-size: .88rem;
    line-height: 1.6;
    letter-spacing: .3px;
}

/* ─── CONTACTO ───────────────────────────────────────────────── */
.map-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
    margin-top: 28px;
    margin-bottom: var(--section-gap);
}

.contact-box {
    padding: 38px;
    border-radius: var(--card-radius);
    background: var(--glass-white);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    transition: border-color 0.35s ease;
}

.contact-box:hover {
    border-color: var(--gold-border);
}

.contact-box h3 {
    color: var(--gold-light);
    margin-bottom: 22px;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 20px;
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: .9rem;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.contact-item:first-of-type {
    margin-top: 16px;
    padding-top: 16px;
}

.map-container {
    overflow: hidden;
    border-radius: var(--card-radius);
    border: 1px solid var(--glass-border);
    min-height: 360px;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 360px;
    border: 0;
    filter: saturate(0.8) brightness(0.85);
    transition: filter 0.35s ease;
}

.map-container:hover iframe {
    filter: saturate(1.0) brightness(0.95);
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--glass-border);
    background: rgba(2, 8, 18, 0.60);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    padding: 60px 0 40px;
    margin-top: 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 44px;
}

.footer-brand .footer-logo {
    max-width: 80px;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 16px rgba(212,175,55,.25));
}

.footer-brand p {
    color: var(--text-muted);
    font-size: .82rem;
    line-height: 1.85;
    max-width: 320px;
}

.footer-brand .footer-brand-name {
    color: var(--gold-light);
    font-weight: 800;
    font-size: .95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.footer-links h4 {
    color: var(--gold);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

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

.footer-links ul li a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: .84rem;
    transition: color 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links ul li a::before {
    content: '›';
    color: var(--gold);
    opacity: .7;
}

.footer-links ul li a:hover {
    color: var(--gold-light);
}

.footer-contact h4 {
    color: var(--gold);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.footer-contact p {
    color: var(--text-muted);
    font-size: .84rem;
    line-height: 1.9;
}

.footer-contact a {
    color: var(--gold-light);
    text-decoration: none;
    transition: color 0.25s ease;
}

.footer-contact a:hover {
    color: var(--gold-pale);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: .76rem;
    letter-spacing: .5px;
}

.footer-bottom a {
    color: var(--gold-light);
    text-decoration: none;
}

/* Fallback for simple footer markup (backwards-compatible) */
footer:not(:has(.footer-inner)) {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: .84rem;
    line-height: 2;
}

footer:not(:has(.footer-inner)) a {
    color: var(--gold);
    text-decoration: none;
}

/* ─── GLASS FORM ─────────────────────────────────────────────── */
.glass-form {
    background: var(--glass-white);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: 48px;
    max-width: 860px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.glass-form::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent, var(--gold), var(--gold-light), var(--gold), transparent);
}

.form-block {
    margin-bottom: 36px;
}

.form-block-title {
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(212,175,55,.18);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-block-title::before {
    content: '';
    width: 3px;
    height: 16px;
    border-radius: 2px;
    background: linear-gradient(var(--gold), var(--gold-light));
    flex-shrink: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-group label {
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: .9rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    padding: 14px 16px;
    transition: all 0.28s ease;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23d4af37' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,.25);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: rgba(212,175,55,.45);
    background: rgba(212,175,55,.06);
    box-shadow: 0 0 0 3px rgba(212,175,55,.10);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: rgba(255,255,255,.18);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px 40px;
    border-radius: var(--pill-radius);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: #0a0800;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: .95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.38s var(--ease-spring);
    box-shadow: 0 8px 28px rgba(212,175,55,.28);
    margin-top: 8px;
}

.btn-submit:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 48px rgba(212,175,55,.42);
}

.btn-submit:active {
    transform: translateY(-1px) scale(1.00);
}

.msg-ok {
    padding: 16px 22px;
    border-radius: var(--inner-radius);
    background: rgba(0, 201, 167, .10);
    border: 1px solid rgba(0, 201, 167, .30);
    color: #7fffd4;
    font-size: .88rem;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.msg-err {
    padding: 16px 22px;
    border-radius: var(--inner-radius);
    background: rgba(230, 57, 70, .10);
    border: 1px solid rgba(230, 57, 70, .30);
    color: #ffa8ae;
    font-size: .88rem;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ─── ADMIN NAV LINK ─────────────────────────────────────────── */
.admin-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: var(--pill-radius);
    background: rgba(212,175,55,.08);
    border: 1px solid var(--gold-border);
    color: var(--gold-light);
    text-decoration: none;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: all 0.30s ease;
    margin-bottom: 60px;
    text-align: center;
}

.admin-link:hover {
    background: rgba(212,175,55,.16);
    box-shadow: 0 6px 20px rgba(212,175,55,.18);
}

/* ─── SCROLL REVEAL ANIMATIONS ───────────────────────────────── */
/*
   Usage: add data-reveal attribute to any element.
   JS IntersectionObserver adds .revealed class when element enters viewport.
   Elements without JS will still be visible (graceful degradation).
*/

[data-reveal] {
    opacity: 0;
    transform: translateY(32px);
    transition:
        opacity 0.70s var(--ease-out),
        transform 0.70s var(--ease-out);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

[data-reveal][data-delay="100"] { transition-delay: 0.10s; }
[data-reveal][data-delay="200"] { transition-delay: 0.20s; }
[data-reveal][data-delay="300"] { transition-delay: 0.30s; }
[data-reveal][data-delay="400"] { transition-delay: 0.40s; }
[data-reveal][data-delay="500"] { transition-delay: 0.50s; }
[data-reveal][data-delay="600"] { transition-delay: 0.60s; }

/* ─── PROGRAMS SECTION TITLE ─────────────────────────────────── */
.programs-section-title {
    text-align: center;
    padding: 60px 0 44px;
}

.programs-section-title p {
    color: var(--text-secondary);
    font-size: .95rem;
    letter-spacing: 1px;
    margin-top: 14px;
}

/* ─── UTILITY ────────────────────────────────────────────────── */
.mb-section { margin-bottom: var(--section-gap); }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .programs-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-gap: 70px;
        --card-radius: 20px;
        --inner-radius: 14px;
    }

    .top-nav {
        padding: 14px 0;
    }

    .top-nav-links {
        gap: 6px;
    }

    .top-nav-link {
        padding: 7px 12px;
        font-size: .72rem;
        letter-spacing: 0;
    }

    header {
        min-height: 75vh;
        padding: 60px 16px;
        border-radius: 18px;
        margin: 16px 0 60px;
    }

    h1 {
        font-size: clamp(2rem, 8vw, 3rem);
        letter-spacing: 1.5px;
    }

    .subtitle {
        font-size: .92rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
        justify-content: center;
        padding: 16px 28px;
    }

    .stats-strip {
        grid-template-columns: repeat(2, 1fr);
        border-radius: 14px;
    }

    .stat-block {
        padding: 22px 12px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.35rem;
        letter-spacing: 1px;
    }

    .section-title::before {
        height: 36px;
    }

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

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

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

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

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

    .glass-form {
        padding: 28px 20px;
    }

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

    .requisitos-box {
        padding: 28px 22px;
    }

    .req-header {
        flex-direction: column;
        align-items: stretch;
        margin-bottom: 24px;
    }

    .req-counter {
        min-width: 0;
        width: 100%;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

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

    .req-card {
        min-height: auto;
    }

    .req-card-text {
        max-width: none;
    }

    .program-card-inner {
        padding: 26px 22px 20px;
    }

    .logo-small {
        max-width: 180px;
    }

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

@media (max-width: 480px) {
    .stats-strip {
        grid-template-columns: 1fr 1fr;
    }

    .hero-badge {
        font-size: .68rem;
        letter-spacing: 1.5px;
        padding: 9px 18px;
    }

    .card-buttons {
        flex-direction: column;
    }

    .btn-card-primary,
    .btn-card-secondary {
        text-align: center;
        justify-content: center;
    }
}

/* ═══════════════════════════════════════════════════════════════
   CATEGORÍAS — NAV + SECCIONES
═══════════════════════════════════════════════════════════════ */

/* ─── Category sticky nav ────────────────────────────────────── */
.cat-nav {
    position: sticky;
    top: 57px; /* debajo del top-nav scrolled */
    z-index: 900;
    display: flex;
    gap: 0;
    background: rgba(4, 10, 24, 0.82);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    margin: 0 0 80px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,.35);
}

.cat-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 20px;
    text-decoration: none;
    color: rgba(255,255,255,.55);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.30s var(--ease-out);
    border-right: 1px solid var(--glass-border);
    position: relative;
}

.cat-tab:last-child { border-right: none; }

.cat-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
}

.cat-tab--lic::after { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.cat-tab--mae::after { background: linear-gradient(90deg, var(--accent-blue), #6eb5ff); }
.cat-tab--doc::after { background: linear-gradient(90deg, var(--accent-purple), #b388ff); }
.cat-tab--esp::after { background: linear-gradient(90deg, #00b09b, #96c93d); }

.cat-tab:hover,
.cat-tab.active {
    color: #fff;
    background: var(--glass-white-md);
}

.cat-tab.active::after,
.cat-tab:hover::after { opacity: 1; }

.cat-tab-num {
    font-size: .65rem;
    font-weight: 900;
    opacity: .45;
    font-variant-numeric: tabular-nums;
}

.cat-tab-label { flex: 1; text-align: center; }

.cat-tab-count {
    min-width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 800;
}

.cat-tab.active .cat-tab-count { background: var(--gold-dim); color: var(--gold-light); }

/* ─── Category section ───────────────────────────────────────── */
.cat-section {
    margin-bottom: calc(var(--section-gap) * 1.4);
    scroll-margin-top: 120px;
}

.cat-section-header {
    margin-bottom: 52px;
}

.cat-section-eyebrow {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.cat-section-num {
    font-size: .68rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.cat-section-tag {
    display: inline-block;
    padding: 5px 16px;
    border-radius: var(--pill-radius);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.cat-tag--lic {
    background: rgba(212,175,55,.12);
    border: 1px solid rgba(212,175,55,.28);
    color: var(--gold-light);
}

.cat-tag--mae {
    background: rgba(58,123,213,.12);
    border: 1px solid rgba(58,123,213,.30);
    color: #7eb8ff;
}

.cat-tag--doc {
    background: rgba(124,77,255,.12);
    border: 1px solid rgba(124,77,255,.30);
    color: #c0a0ff;
}

.cat-tag--esp {
    background: rgba(0,176,155,.12);
    border: 1px solid rgba(0,176,155,.30);
    color: #5de0c8;
}

.cat-section-title {
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 2px;
    text-transform: uppercase;
    line-height: 1.05;
    margin-bottom: 16px;
}

.cat-section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    max-width: 600px;
}

/* ─── Licenciaturas grid (2 col, tarjetas grandes) ───────────── */
.programs-grid--lic {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* ─── Maestrías grid (3 col) ─────────────────────────────────── */
.programs-grid--mae {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

/* ─── Card variant: Licenciatura ─────────────────────────────── */
.program-card--lic {
    background: var(--glass-white);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    padding: 0;
    transition: all 0.50s var(--ease-out);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.program-card--lic::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 100%);
}

.program-card--lic .card-body { padding: 28px 36px 36px; display: contents; }
.program-card--lic > *:not(.card-img-wrap):not(.program-card-number) { padding-left: 36px; padding-right: 36px; }
.program-card--lic > .prog-icon    { padding-top: 28px; }
.program-card--lic > .card-buttons { padding-bottom: 36px; }

.program-card--lic:hover {
    transform: translateY(-8px);
    border-color: var(--gold-border);
    box-shadow: 0 24px 60px rgba(212,175,55,.18);
}

/* ─── Card variant: Maestría ─────────────────────────────────── */
.program-card--mae {
    background: var(--glass-white);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    padding: 0;
    transition: all 0.50s var(--ease-out);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.program-card--mae::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue) 0%, #6eb5ff 100%);
}

.program-card--mae > *:not(.card-img-wrap):not(.program-card-number) { padding-left: 28px; padding-right: 28px; }
.program-card--mae > .prog-icon    { padding-top: 22px; }
.program-card--mae > .card-buttons { padding-bottom: 28px; }

.program-card--mae:hover {
    transform: translateY(-8px);
    border-color: rgba(58,123,213,.40);
    box-shadow: 0 24px 60px rgba(58,123,213,.18);
}

.program-card--mae h2 { font-size: 1.2rem; }

/* ─── Prog badge variants ────────────────────────────────────── */
.prog-badge--lic {
    background: rgba(212,175,55,.10);
    border: 1px solid rgba(212,175,55,.28);
    color: var(--gold-light);
}

.prog-badge--mae {
    background: rgba(58,123,213,.10);
    border: 1px solid rgba(58,123,213,.28);
    color: #7eb8ff;
}

.prog-badge--doc {
    background: rgba(124,77,255,.10);
    border: 1px solid rgba(124,77,255,.28);
    color: #c0a0ff;
}

.prog-badge--esp {
    background: rgba(0,176,155,.10);
    border: 1px solid rgba(0,176,155,.28);
    color: #5de0c8;
}

/* ─── Doctorado: featured card ───────────────────────────────── */
.program-card--doc-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--glass-white);
    border: 1px solid rgba(124,77,255,.25);
    border-radius: var(--card-radius);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(124,77,255,.15);
    transition: transform 0.50s var(--ease-out), box-shadow 0.50s var(--ease-out);
    position: relative;
}

.program-card--doc-featured::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-purple) 0%, #b388ff 100%);
}

.program-card--doc-featured:hover {
    transform: translateY(-6px);
    box-shadow: 0 32px 100px rgba(124,77,255,.22);
}

.doc-featured-left {
    padding: 52px 48px;
    border-right: 1px solid var(--glass-border);
}

.doc-featured-left h2 {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin: 20px 0 16px;
    line-height: 1.15;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.doc-featured-left p {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: .95rem;
}

.doc-featured-icon {
    font-size: 4rem;
    margin: 16px 0;
    display: block;
}

.doc-featured-right {
    padding: 52px 48px;
    background: rgba(124,77,255,.04);
    display: flex;
    flex-direction: column;
}

.doc-req-title {
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #c0a0ff;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(124,77,255,.20);
}

.doc-req-item {
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.7;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,.04);
}

.doc-schedule {
    margin-top: auto;
    padding-top: 24px;
    color: var(--text-secondary);
    font-size: .88rem;
    line-height: 2;
}

/* ─── Admin link in nav ──────────────────────────────────────── */
.top-nav-link--admin {
    background: var(--gold-dim);
    border-color: var(--gold-border);
    color: var(--gold-light);
}

.top-nav-link--admin:hover {
    background: rgba(212,175,55,.20);
}

/* ─── Responsive: categorías ─────────────────────────────────── */
@media (max-width: 1100px) {
    .programs-grid--mae { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    .top-nav {
        gap: 12px;
        padding-top: 12px;
        padding-bottom: 12px;
        align-items: center;
    }

    .top-nav.scrolled {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .top-nav-logo-text,
    .top-nav > .top-nav-link--back {
        opacity: 1;
        flex: 1 1 auto;
        min-width: 0;
    }

    .top-nav > .top-nav-link--back {
        max-width: calc(100% - 64px);
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .top-nav-toggle {
        display: inline-flex;
        flex: 0 0 auto;
    }

    .top-nav-links {
        display: none;
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px;
        border-radius: 22px;
        background: rgba(4, 10, 24, 0.94);
        border: 1px solid rgba(212,175,55,.16);
        box-shadow: 0 18px 40px rgba(0,0,0,.32);
    }

    .top-nav.menu-open .top-nav-links {
        display: flex;
    }

    .top-nav-links .top-nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 13px 16px;
        font-size: .82rem;
        letter-spacing: .2px;
    }

    .top-nav-links .top-nav-link--admin {
        justify-content: center;
    }

    .cat-nav {
        top: 76px;
        flex-direction: row;
        gap: 10px;
        padding: 10px;
        margin-bottom: 52px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
        border-radius: 22px;
    }

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

    .cat-tab {
        flex: 0 0 220px;
        justify-content: flex-start;
        padding: 16px 18px;
        border-right: none;
        border-bottom: none;
        border-radius: 18px;
        border: 1px solid var(--glass-border);
        background: rgba(255,255,255,.02);
        scroll-snap-align: start;
    }

    .cat-tab:last-child {
        border-bottom: none;
    }

    .cat-tab-label {
        text-align: left;
    }

    .cat-tab-count {
        margin-left: auto;
    }

    .programs-grid--lic,
    .programs-grid--mae { grid-template-columns: 1fr; }
    .program-card--doc-featured { grid-template-columns: 1fr; }
    .doc-featured-left { border-right: none; border-bottom: 1px solid var(--glass-border); padding: 36px 28px; }
    .doc-featured-right { padding: 36px 28px; }
    .cat-section-title { font-size: 2rem; }
}

@media (max-width: 520px) {
    .top-nav {
        margin-bottom: 10px;
    }

    .top-nav > .top-nav-link--back {
        font-size: .76rem;
        padding: 11px 14px;
    }

    .top-nav-logo-text {
        font-size: .72rem;
        letter-spacing: 1.6px;
    }

    .cat-nav {
        top: 72px;
        margin-bottom: 42px;
    }

    .cat-tab {
        flex-basis: 208px;
        padding: 15px 16px;
    }

    .cat-tab-label {
        font-size: .78rem;
    }
}

/* ─── CARD IMAGE ─────────────────────────────────────────────── */
.card-img-wrap {
    width: 100%;
    height: 160px;
    overflow: hidden;
    flex: 0 0 160px;
    padding: 0 !important;
    margin: 0 !important;
    display: block;
}

.card-img-wrap img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s var(--ease-out);
    display: block;
    max-width: 100%;
}

.program-card--lic:hover .card-img-wrap img,
.program-card--mae:hover .card-img-wrap img {
    transform: scale(1.06);
}

/* Doc: imagen full-bleed arriba del panel izquierdo */
.card-img-wrap--doc {
    height: 220px;
    overflow: hidden;
    margin: -52px -48px 28px -48px !important;
    width: calc(100% + 96px);
    border-radius: 0;
    padding: 0 !important;
    display: block;
    flex: none;
}

.card-img-wrap--doc img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* ─── PROGRAM CARD NUMBER ────────────────────────────────────── */
.program-card-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(255,255,255,.04);
    line-height: 1;
    pointer-events: none;
    user-select: none;
    font-variant-numeric: tabular-nums;
}

/* ─── CONTACT ADDRESS ────────────────────────────────────────── */
.contact-address {
    font-size: .92rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ─── PRINT ──────────────────────────────────────────────────── */
@media print {
    body::before, body::after { display: none; }
    .top-nav { display: none; }
    header { min-height: auto; margin: 0 0 32px; }
    .stats-strip { background: none; border: 1px solid #ccc; }
}