/* =========================================================
   Universidad de Sotavento — Hoja de estilos principal
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --bg: #F9F6F0;
    --fg: #111827;
    --primary: #0A2540;
    --primary-fg: #FFFFFF;
    --secondary: #C84B31;
    --secondary-hover: #E5613F;
    --accent: #E5E1D8;
    --accent-strong: #c32906;
    --surface: #FFFFFF;
    --border: #E5E1D8;
    --whatsapp: #25D366;
    --whatsapp-hover: #1FB855;
    --muted: #8C929D;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; }
::selection { background: var(--secondary); color: #fff; }

h1, h2, h3, h4, h5, h6, .font-display {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
    line-height: 1.05;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
@media (min-width: 768px) { .container { padding: 0 3rem; } }

.overline {
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--secondary);
}

.italic-light { font-style: italic; font-weight: 300; color: var(--secondary); }
.italic-light-gold { font-style: italic; font-weight: 300; color: var(--accent-strong); }

.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: 1rem 1.75rem; border-radius: 9999px;
    font-weight: 600; font-size: .95rem;
    transition: all .25s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--secondary); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-hover); box-shadow: 0 12px 32px rgba(200,75,49,.35); }
.btn-glass { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.3); color: #fff; backdrop-filter: blur(12px); }
.btn-glass:hover { background: rgba(255,255,255,.22); }
.btn .arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============ NAVBAR ============ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 40;
    transition: all .3s ease; background: transparent;
}
.navbar.scrolled {
    background: rgba(255,255,255,.78);
    backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 5rem; }
.nav-logo { display: flex; align-items: center; gap: .75rem; }
.nav-logo-mark {
    width: 3.5rem; height: 2.5rem; border-radius: .75rem;
    background: var(--primary); color: #fff;
    display: grid; place-items: center;
    font-family: 'Outfit'; font-weight: 900; font-size: 1.1rem;
    transition: background .25s;
}
.nav-logo:hover .nav-logo-mark { background: var(--secondary); }
.nav-logo-text { line-height: 1.1; }
.nav-logo-text .name { font-family: 'Outfit'; font-weight: 700; font-size: 15px; color: var(--primary); }
.nav-logo-text .sub { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 640px) { .nav-logo-text { display: none; } }

.nav-links { display: none; gap: .25rem; }
@media (min-width: 1024px) { .nav-links { display: flex; align-items: center; } }
.nav-link {
    padding: .5rem 1rem; font-size: .975rem; font-weight: 800;
    color: var(--fg); position: relative; transition: color .2s;
}
.nav-link::after {
    content: ''; position: absolute; left: 1rem; right: 1rem; bottom: .25rem;
    height: 1px; background: var(--secondary);
    transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav-link:hover { color: var(--secondary); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: .75rem; }
.nav-cta { display: none; padding: .65rem 1.25rem; border-radius: 9999px; background: var(--primary); color: #fff; font-size: .875rem; font-weight: 600; transition: background .25s; }
.nav-cta:hover { background: var(--secondary); }
@media (min-width: 768px) { .nav-cta { display: inline-flex; } }

.nav-toggle {
    width: 2.5rem; height: 2.5rem; border-radius: 9999px;
    background: rgba(255,255,255,.85); display: grid; place-items: center;
    box-shadow: 0 8px 32px rgba(10,37,64,.06);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }

.mobile-menu {
    display: none; background: #fff; border-top: 1px solid rgba(123, 240, 80, 0.83);
}
.mobile-menu.open { display: block; }
.mobile-menu-inner { padding: 1rem 1.5rem; display: flex; flex-direction: column; gap: .25rem; }
.mobile-link { padding: .85rem 1rem; border-radius: .65rem; font-weight: 500; color: var(--primary); text-align: left; transition: background .2s; }
.mobile-link:hover { background: var(--bg); }
.mobile-cta { margin-top: .5rem; padding: .85rem; border-radius: 9999px; background: var(--primary); color: #fff; font-weight: 600; }

/* ============ HERO ============ */
.hero {
    position: relative; min-height: 100vh; overflow: hidden;
    background: var(--primary);
    display: flex; align-items: center;
    padding: 8rem 0 5rem;
}
.hero-bg, .hero-overlay { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-overlay {
    background: linear-gradient(to top, var(--primary) 0%, rgba(10,37,64,.7) 50%, rgba(10,37,64,.3) 100%);
}
.hero-content { position: relative; z-index: 2; }
.badge {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .5rem 1rem; border-radius: 9999px;
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(12px);
    color: #fff; font-size: .75rem; font-weight: 700; letter-spacing: .12em;
}
.badge .star { color: var(--accent-strong); }
.hero h1 {
    margin-top: 1.5rem; color: #fff; font-weight: 900;
    font-size: clamp(3rem, 8vw, 7rem); max-width: 60rem;
}
.hero p.lead {
    margin-top: 2rem; max-width: 38rem; color: rgba(255,255,255,.85);
    font-size: 1.125rem; line-height: 1.6;
}
.hero-ctas { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.stats {
    margin-top: 5rem; display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem; max-width: 56rem;
}
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); gap: 3rem; } }
.stat { border-left: 2px solid var(--secondary); padding-left: 1rem; color: #fff; }
.stat-value { font-family: 'Outfit'; font-weight: 900; font-size: clamp(1.75rem, 4vw, 3rem); }
.stat-label { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-top: .25rem; }

/* ============ MARQUEE ============ */
.marquee {
    border-top: 1px solid rgba(10,37,64,.1);
    border-bottom: 1px solid rgba(10,37,64,.1);
    background: rgba(229,225,216,.6);
    padding: 1.25rem 0; overflow: hidden;
}
.marquee-track {
    display: flex; gap: 3rem;
    animation: marquee 50s linear infinite;
    white-space: nowrap;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { display: inline-flex; align-items: center; gap: 1.5rem; }
.marquee-item .dot { width: 8px; height: 8px; border-radius: 9999px; background: var(--secondary); }
.marquee-item span {
    font-family: 'Outfit'; font-weight: 500;
    color: var(--primary); font-size: 1.5rem; letter-spacing: -0.01em;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============ SECCIONES ============ */
.section { padding: 6rem 0; }
@media (min-width: 768px) { .section { padding: 8rem 0; } }
.section-dark { background: var(--primary); color: #fff; position: relative; overflow: hidden; }

.section-header { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 4rem; }
@media (min-width: 768px) {
    .section-header { flex-direction: row; align-items: flex-end; justify-content: space-between; }
}
.section-header h2 {
    font-weight: 900; font-size: clamp(2.25rem, 5vw, 4rem);
    color: var(--primary); max-width: 36rem;
}
.section-dark .section-header h2 { color: #fff; }
.section-header p { color: rgba(10,37,64,.7); max-width: 28rem; line-height: 1.6; }
.section-dark .section-header p { color: rgba(255,255,255,.75); }

/* ============ BENTO LEVELS ============ */
.bento {
    display: grid; grid-template-columns: 1fr; gap: 1.25rem;
}
@media (min-width: 768px) {
    .bento { grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(220px, auto); gap: 1.5rem; }
}
.bento-card {
    position: relative; overflow: hidden; border-radius: 1.5rem;
    min-height: 260px; cursor: pointer; transition: all .5s ease;
    box-shadow: 0 8px 32px rgba(10,37,64,.06);
    background: #fff; border: 1px solid rgba(0,0,0,.05);
}
.bento-card:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(10,37,64,.12); }
.bento-card.feature { min-height: 460px; }
@media (min-width: 768px) {
    .bento-card { grid-column: span 4; }
    .bento-card.col-6 { grid-column: span 6; }
    .bento-card.col-12 { grid-column: span 12; }
    .bento-card.feature { grid-column: span 6; grid-row: span 2; }
}

.bento-card.has-img { background: var(--primary); }
.bento-card .bg-img {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; transform: scale(1.05); transition: transform .7s ease;
}
.bento-card:hover .bg-img { transform: scale(1.12); }
.bento-card .bg-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.85), rgba(0,0,0,.4) 60%, rgba(0,0,0,0));
}
.bento-card.feature .bg-overlay {
    background: linear-gradient(to top, var(--primary) 0%, rgba(10,37,64,.7) 60%, rgba(10,37,64,.2));
}

.bento-card .inner {
    position: relative; z-index: 2; height: 100%;
    padding: 1.75rem; display: flex; flex-direction: column; justify-content: space-between;
    color: var(--primary);
}
@media (min-width: 768px) { .bento-card .inner { padding: 2.25rem; } }
.bento-card.has-img .inner { color: #fff; }

.bento-top { display: flex; justify-content: space-between; align-items: center; }
.bento-age { font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.bento-icon-circle {
    width: 2.25rem; height: 2.25rem; border-radius: 9999px;
    background: rgba(10,37,64,.06); display: grid; place-items: center;
    transition: transform .3s ease;
}
.bento-card.has-img .bento-icon-circle { background: rgba(255,255,255,.15); backdrop-filter: blur(6px); color: #fff; }
.bento-card:hover .bento-icon-circle { transform: rotate(45deg); }

.bento-card h3 {
    font-weight: 700; font-size: clamp(1.5rem, 3vw, 2rem);
}
.bento-card.feature h3 { font-size: clamp(2.5rem, 5vw, 3.25rem); }
.bento-card .desc { margin-top: .65rem; font-size: .9rem; line-height: 1.55; max-width: 30rem; color: rgba(10,37,64,.7); }
.bento-card.has-img .desc { color: rgba(255,255,255,.8); }

.bento-tags { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.bento-tag {
    padding: .35rem .8rem; font-size: .7rem; border-radius: 9999px;
    background: rgba(255, 255, 255, 0.15); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(6px);
}
.bento-tag.solid { background: var(--secondary); border-color: var(--secondary); }
.bento-card .accent-bar {
    position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
    transition: height .3s;
}
.bento-card:hover .accent-bar { height: 8px; }

/* ============ UNIVERSITY TRACKS ============ */
.section-dark .blob1, .section-dark .blob2 {
    position: absolute; width: 500px; height: 500px; border-radius: 9999px;
    filter: blur(80px); pointer-events: none; opacity: .2;
}
.section-dark .blob1 { top: -120px; left: -120px; background: var(--secondary); }
.section-dark .blob2 { bottom: -120px; right: -120px; background: var(--accent-strong); }

.tab-toggle {
    margin-top: 2.5rem; display: inline-flex; padding: .375rem;
    border-radius: 9999px; background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(12px);
    position: relative;
}
.tab-btn {
    position: relative; z-index: 2;
    padding: .85rem 1.75rem; font-size: .875rem; font-weight: 600;
    color: rgba(255,255,255,.7); border-radius: 9999px;
    transition: color .3s ease;
}
.tab-btn.active { color: var(--primary); }
.tab-pill {
    position: absolute; top: 6px; left: 6px;
    height: calc(100% - 12px);
    background: #fff; border-radius: 9999px;
    transition: transform .35s cubic-bezier(.34,1.56,.64,1), width .3s ease;
    z-index: 1;
}

.uni-grid {
    margin-top: 3rem; display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}
@media (min-width: 1024px) { .uni-grid { grid-template-columns: repeat(12, 1fr); } }
.uni-info {
    grid-column: span 12;
    border-radius: 1.5rem; padding: 2rem;
    background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(12px);
}
@media (min-width: 1024px) { .uni-info { grid-column: span 4; } }
.uni-info .chip { display: inline-flex; padding: .35rem .8rem; border-radius: 9999px; font-size: .7rem; font-weight: 700; letter-spacing: .12em; color: #fff; }
.uni-info h3 { margin-top: 1.25rem; font-weight: 700; font-size: 1.875rem; }
.uni-info .desc-txt { margin-top: 1rem; color: rgba(255,255,255,.75); font-size: .9rem; line-height: 1.6; }
.uni-info ul { margin-top: 1.5rem; display: flex; flex-direction: column; gap: .75rem; list-style: none; }
.uni-info li { display: flex; align-items: center; gap: .75rem; font-size: .875rem; color: rgba(255,255,255,.85); }
.uni-info li svg { color: var(--accent-strong); flex-shrink: 0; }

.uni-programs { display: grid; grid-template-columns: 1fr; gap: 1rem; grid-column: span 12; }
@media (min-width: 640px) { .uni-programs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .uni-programs { grid-column: span 8; } }

.program-card {
    position: relative; overflow: hidden;
    background: #fff; color: var(--primary);
    padding: 1.75rem; border-radius: 1rem; cursor: pointer;
    transition: all .3s ease;
}
.program-card:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(0,0,0,.18); }
.program-card .left-bar {
    position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
    transition: width .3s;
}
.program-card:hover .left-bar { width: 8px; }
.program-card .top { display: flex; justify-content: space-between; align-items: flex-start; }
.program-card .icon-box {
    width: 3rem; height: 3rem; border-radius: .75rem;
    display: grid; place-items: center;
}
.program-card .label { font-size: 10px; letter-spacing: .22em; font-weight: 700; text-transform: uppercase; color: var(--muted); }
.program-card h4 { margin-top: 1.25rem; font-weight: 700; font-size: 1.5rem; letter-spacing: -.02em; }
.program-card .desc { margin-top: .5rem; font-size: .875rem; color: rgba(10,37,64,.65); line-height: 1.5; }

/* ============ ABOUT ============ */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 1024px) { .about-grid { grid-template-columns: 5fr 7fr; gap: 4rem; } }
.about-stats { margin-top: 2rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; max-width: 28rem; }
.about-stat-card { padding: 1.25rem; border-radius: 1rem; box-shadow: 0 8px 32px rgba(10,37,64,.06); background: #fff; }
.about-stat-card.dark { background: var(--primary); color: #fff; }
.about-stat-card .v { font-family: 'Outfit'; font-weight: 900; font-size: 1.75rem; color: var(--secondary); }
.about-stat-card.dark .v { color: var(--accent-strong); }
.about-stat-card .l { margin-top: .25rem; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: rgba(10,37,64,.6); }
.about-stat-card.dark .l { color: rgba(255,255,255,.7); }

.values-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }
.value-card {
    padding: 1.75rem; border-radius: 1.5rem; background: #fff;
    border: 1px solid rgba(0,0,0,.05); box-shadow: 0 8px 32px rgba(10,37,64,.06);
    transition: transform .3s ease;
}
.value-card:hover { transform: translateY(-4px); }
.value-icon {
    width: 3rem; height: 3rem; border-radius: .75rem;
    background: rgba(200,75,49,.1); color: var(--secondary);
    display: grid; place-items: center;
}
.value-card h3 { margin-top: 1.25rem; font-weight: 600; font-size: 1.25rem; color: var(--primary); }
.value-card p { margin-top: .5rem; font-size: .875rem; line-height: 1.6; color: rgba(10,37,64,.7); }

/* ============ CONTACT ============ */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }

.form-card {
    background: #fff; border-radius: 1.5rem; padding: 2rem;
    border: 1px solid rgba(0,0,0,.05); box-shadow: 0 8px 32px rgba(10,37,64,.06);
}
@media (min-width: 768px) { .form-card { padding: 2.5rem; } }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } }

.field label {
    display: block; font-size: 11px; letter-spacing: .18em; font-weight: 700;
    text-transform: uppercase; color: rgba(10,37,64,.7); margin-bottom: .5rem;
}
.field input, .field select, .field textarea {
    width: 100%; padding: .85rem 1rem; border-radius: .75rem;
    background: var(--bg); border: 1px solid transparent;
    font: inherit; outline: none; transition: all .25s ease;
    color: var(--fg);
}
.field input:focus, .field select:focus, .field textarea:focus {
    background: #fff; border-color: var(--primary);
}
.field select { 
    cursor: pointer; 
    appearance: none; 
    background-image: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2212%22%20height%3D%2212%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%230A2540%22%20stroke-width%3D%222%22%3E%3Cpath%20d%3D%22M6%209l6%206%206-6%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat; 
    background-position: right 1rem center; 
    padding-right: 2.5rem; 
}
.submit-btn {
    width: 100%; padding: 1rem; border-radius: 9999px;
    background: var(--primary); color: #fff; font-weight: 600;
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    transition: background .25s ease;
}
.submit-btn:hover:not(:disabled) { background: var(--secondary); }
.submit-btn:disabled { opacity: .6; cursor: not-allowed; }

.success-state {
    min-height: 480px; display: none; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 2rem;
}
.success-state.show { display: flex; }
.success-state .ico {
    width: 5rem; height: 5rem; border-radius: 9999px; background: rgba(200,75,49,.1);
    color: var(--secondary); display: grid; place-items: center;
}
.success-state h3 { margin-top: 1.5rem; font-weight: 700; font-size: 1.75rem; color: var(--primary); }
.success-state p { margin-top: .75rem; max-width: 22rem; color: rgba(10,37,64,.7); }

.map-card {
    position: relative; border-radius: 1.5rem; overflow: hidden;
    box-shadow: 0 8px 32px rgba(10,37,64,.06); min-height: 360px; background: var(--primary);
}
.map-card iframe { width: 100%; height: 420px; border: 0; display: block; }
.map-link {
    position: absolute; bottom: 1rem; right: 1rem;
    padding: .5rem 1rem; border-radius: 9999px; background: #fff;
    color: var(--primary); font-size: .75rem; font-weight: 600;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    transition: all .25s ease;
}
.map-link:hover { background: var(--secondary); color: #fff; }

.info-card {
    margin-top: 1.5rem;
    background: var(--primary); color: #fff;
    border-radius: 1.5rem; padding: 2rem;
    position: relative; overflow: hidden;
}
@media (min-width: 768px) { .info-card { padding: 2.5rem; } }
.info-card .blob {
    position: absolute; top: 0; right: 0; width: 10rem; height: 10rem;
    border-radius: 9999px; background: rgba(200,75,49,.3); filter: blur(60px);
}
.info-card h3 { font-weight: 700; font-size: 1.5rem; position: relative; }
.info-list { margin-top: 1.5rem; list-style: none; display: flex; flex-direction: column; gap: 1rem; position: relative; }
.info-row { display: flex; gap: 1rem; align-items: flex-start; }
.info-icon {
    width: 2.5rem; height: 2.5rem; border-radius: .75rem;
    background: rgba(255,255,255,.1); display: grid; place-items: center; flex-shrink: 0;
    color: var(--accent-strong);
}
.info-row .l { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.5); font-weight: 700; }
.info-row .v { margin-top: .25rem; font-size: .875rem; color: rgba(255,255,255,.9); }
.wa-cta {
    margin-top: 1.75rem; display: inline-flex; align-items: center; gap: .5rem;
    padding: .85rem 1.5rem; border-radius: 9999px;
    background: var(--whatsapp); color: #fff; font-weight: 600;
    position: relative; transition: background .25s;
}
.wa-cta:hover { background: var(--whatsapp-hover); }

/* ============ WHATSAPP FAB ============ */
.wa-fab {
    position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 50;
    width: 4rem; height: 4rem; border-radius: 9999px;
    background: var(--whatsapp); color: #fff;
    display: grid; place-items: center;
    box-shadow: 0 16px 36px rgba(37,211,102,.4);
    transition: all .3s ease;
}
.wa-fab:hover { background: var(--whatsapp-hover); transform: scale(1.08); }
.wa-fab.pulse::before {
    content: ""; position: absolute; inset: 0; border-radius: 9999px;
    background: var(--whatsapp); animation: ping-soft 2.4s cubic-bezier(0,0,.2,1) infinite;
    z-index: -1;
}
@keyframes ping-soft {
    0% { transform: scale(1); opacity: .7; }
    80%, 100% { transform: scale(2); opacity: 0; }
}

.wa-panel {
    position: fixed; bottom: 7rem; right: 1.5rem; z-index: 50;
    width: 320px; max-width: calc(100vw - 3rem);
    border-radius: 1.5rem; background: #fff;
    box-shadow: 0 24px 64px rgba(0,0,0,.25); overflow: hidden;
    display: none; transform-origin: bottom right;
    animation: panel-in .25s ease;
}
.wa-panel.open { display: block; }
@keyframes panel-in { from { opacity: 0; transform: scale(.85) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.wa-head { background: #075E54; color: #fff; padding: 1.25rem; display: flex; align-items: center; gap: .75rem; }
.wa-head .logo { width: 2.5rem; height: 2.5rem; border-radius: 9999px; background: var(--whatsapp); display: grid; place-items: center; }
.wa-head .info { flex: 1; }
.wa-head .info .name { font-family: 'Outfit'; font-weight: 700; font-size: .875rem; }
.wa-head .info .sub { font-size: 11px; color: rgba(255,255,255,.9288); }
.wa-close { width: 2rem; height: 2rem; border-radius: 9999px; color: #fff; display: grid; place-items: center; }
.wa-close:hover { background: rgba(255,255,255,.1); }
.wa-body { padding: 1.25rem; background: rgba(229,221,213,.4); display: flex; flex-direction: column; gap: .5rem; }
.wa-hint { font-size: 11px; color: rgba(10,37,64,.7); margin-bottom: .5rem; }
.wa-quick {
    text-align: left; font-size: .875rem;
    background: #fff; padding: .75rem; border-radius: .75rem; border-top-left-radius: .25rem;
    box-shadow: 0 2px 8px rgba(0,0,0,.05); color: var(--primary); cursor: pointer;
    transition: all .2s ease;
}
.wa-quick:hover { box-shadow: 0 6px 16px rgba(0,0,0,.1); transform: translateY(-2px); }
.wa-open-chat { margin-top: .75rem; padding: .85rem; border-radius: 9999px; background: var(--whatsapp); color: #fff; font-weight: 600; font-size: .875rem; }
.wa-open-chat:hover { background: var(--whatsapp-hover); }

/* ============ FOOTER ============ */
.footer { background: var(--primary); color: #fff; padding: 5rem 0 2rem; position: relative; overflow: hidden; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; position: relative; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 5fr 3fr 4fr; } }
.footer-brand { display: flex; align-items: center; gap: .75rem; }
.footer-brand-mark {
    width: 3rem; height: 3rem; border-radius: 1rem; background: var(--secondary);
    display: grid; place-items: center; font-family: 'Outfit'; font-weight: 900; font-size: 1.5rem;
}
.footer-brand-text .n { font-family: 'Outfit'; font-weight: 700; font-size: 1.25rem; }
.footer-brand-text .s { font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.5); }
.footer-tag { margin-top: 1.5rem; max-width: 28rem; color: rgba(255,255,255,.7); font-size: .875rem; line-height: 1.6; }
.footer-socials { margin-top: 1.5rem; display: flex; gap: .75rem; }
.footer-social {
    width: 2.5rem; height: 2.5rem; border-radius: 9999px; background: rgba(255,255,255,.1);
    display: grid; place-items: center; transition: background .25s;
}
.footer-social:hover { background: var(--secondary); }
.footer-title { font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-strong); font-weight: 700; }
.footer-list { margin-top: 1.25rem; list-style: none; display: flex; flex-direction: column; gap: .65rem; font-size: .875rem; color: rgba(255,255,255,.8); }
.footer-list a:hover { color: #fff; }
.footer-info { margin-top: 1.25rem; list-style: none; display: flex; flex-direction: column; gap: .85rem; font-size: .875rem; color: rgba(255,255,255,.8); }
.footer-info li { display: flex; gap: .75rem; }
.footer-info svg { color: var(--accent-strong); flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
    margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.1);
    display: flex; flex-direction: column; gap: .75rem; justify-content: space-between;
    color: rgba(255,255,255,.5); font-size: .75rem;
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; align-items: center; } }
.footer-tags { display: flex; gap: .5rem; }
.footer-tag-pill { padding: .35rem .8rem; border-radius: 9999px; background: rgba(255,255,255,.05); }
.footer-tag-pill.gold { background: rgba(200,75,49,.2); color: var(--accent-strong); }

/* ============ TOAST ============ */
.toast {
    position: fixed; top: 1.5rem; right: 1.5rem; z-index: 60;
    padding: 1rem 1.25rem; border-radius: .75rem;
    background: #fff; color: var(--primary); font-size: .875rem; font-weight: 500;
    box-shadow: 0 16px 48px rgba(0,0,0,.18);
    border-left: 4px solid var(--secondary);
    transform: translateX(120%); opacity: 0;
    transition: all .35s ease;
}
.toast.show { transform: translateX(0); opacity: 1; }
.toast.success { border-left-color: var(--whatsapp); }
.toast.error { border-left-color: #DC2626; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0s !important; transition-duration: 0s !important; }
}

/* ============ MODAL PARA NIVELES ============ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background: var(--surface);
    border-radius: 1.5rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    color: var(--primary);
    z-index: 10;
    transition: transform 0.2s ease;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    transform: scale(1.1);
    color: var(--secondary);
}

.modal-body {
    padding: 2rem;
}

.modal-body .modal-age {
    display: inline-block;
    background: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.modal-body h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
}

.modal-body .modal-description {
    color: var(--fg);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-body .modal-features {
    background: var(--bg);
    padding: 1rem;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
}

.modal-body .modal-features h4 {
    color: var(--secondary);
    margin-bottom: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
}

.modal-body .modal-features ul {
    list-style: none;
    padding-left: 0;
}

.modal-body .modal-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

.modal-body .modal-features li:last-child {
    border-bottom: none;
}

.modal-body .modal-cta {
    display: inline-flex;
    background: var(--secondary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    width: 100%;
    justify-content: center;
}

.modal-body .modal-cta:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
}

@media (max-width: 640px) {
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .modal-body h2 {
        font-size: 1.5rem;
    }
}