:root {
            --navy: #0a1628;
            --navy-mid: #112240;
            --blue: #1a4fa0;
            --blue-light: #2563eb;
            --gold: #c9a84c;
            --gold-light: #f0c967;
            --cream: #faf8f3;
            --white: #ffffff;
            --gray-100: #f1f5f9;
            --gray-300: #cbd5e1;
            --gray-500: #64748b;
            --gray-700: #334155;
            --text: #1e293b;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(10,22,40,0.10);
            --shadow-lg: 0 16px 56px rgba(10,22,40,0.18);
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: 'DM Sans', sans-serif;
            background: var(--cream);
            color: var(--text);
            line-height: 1.65;
            font-size: 15.5px;
        }

        /* ── NAV ─────────────────────────────────── */
        nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10,22,40,0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(201,168,76,0.25);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 5%;
            height: 70px;
        }
        .nav-logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.25rem;
            color: var(--gold);
            letter-spacing: 0.03em;
            text-decoration: none;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            color: rgba(255,255,255,0.75);
            text-decoration: none;
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            transition: color .2s;
        }
        .nav-links a:hover { color: var(--gold-light); }

        /* ── HERO ────────────────────────────────── */
        .hero {
            background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 55%, #0e3060 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 5% 80px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 70% 60% at 80% 50%, rgba(37,99,235,0.18) 0%, transparent 70%),
                        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(201,168,76,0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            align-items: center;
            position: relative;
            max-width: 1100px;
            margin: 0 auto;
            gap: 10px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201,168,76,0.15);
            border: 1px solid rgba(201,168,76,0.4);
            color: var(--gold-light);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 100px;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--white);
            line-height: 1.1;
            margin: 0;
            color: var(--gold-light);
        }
        .hero h2 { color: #fff; margin-bottom: 0; }
        .hero-sub {
            color: rgba(255,255,255,0.65);
            font-size: 1rem;
            max-width: 520px;
            margin-bottom: 10px;
            font-family: 'Arial';
            font-weight: 400;
            padding-top: 10px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            margin: 0 10px;
        }
        .hero-stat strong {
            font-family: 'Playfair Display', serif;
            font-size: 1.6rem;
            color: var(--gold-light);
            line-height: 1;
        }
        .hero-stat span {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.5);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-top: 3px;
            font-family: 'Arial';
        }

        /* Hero Card */
        .hero-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(20px);
            animation: fadeUp .6s .2s both;
        }
        .hero-card-label {
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 4px;
        }
        .price-main {
            font-family: 'Playfair Display', serif;
            font-size: 2.5rem;
            color: var(--white);
            line-height: 1;
            margin-bottom: 4px;
        }
        .price-sub {
            font-size: 0.83rem;
            color: rgba(255,255,255,0.45);
            margin-bottom: 20px;
        }
        .hero-card hr {
            border: none;
            border-top: 1px solid rgba(255,255,255,0.1);
            margin: 16px 0;
        }
        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 22px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.75);
        }
        .feature-list li i {
            color: var(--gold);
            font-size: 0.85rem;
            width: 16px;
            flex-shrink: 0;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: 'DM Sans', sans-serif;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            text-decoration: none;
            transition: all .22s cubic-bezier(.34,1.56,.64,1);
            padding: 12px 22px;
            width: 100%;
            letter-spacing: 0.01em;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: var(--navy);
        }
        .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.4); }
        .btn-wa {
            background: #25d366;
            color: #fff;
        }
        .btn-wa:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.35); }
        .btn-outline {
            background: transparent;
            border: 2px solid #FFF;
            color: #FFF;
            padding: 10px 20px;
            width: auto;
        }
        .btn-outline:hover { background: var(--blue-light); color: #fff; transform: translateY(-2px); }
        .btn-dark {
            background: var(--navy);
            color: #fff;
            padding: 12px 28px;
            width: auto;
        }
        .btn-dark:hover { background: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow); }

        /* ── COUNTDOWN ───────────────────────────── */
        .countdown-bar {
            background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 100%);
            padding: 10px 5%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .countdown-bar p {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--navy);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .countdown-digits {
            display: flex;
            gap: 8px;
        }
        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--navy);
            color: var(--gold-light);
            border-radius: 8px;
            padding: 6px 12px;
            min-width: 52px;
        }
        .countdown-unit strong {
            font-family: 'Playfair Display', serif;
            font-size: 1.3rem;
            line-height: 1;
        }
        .countdown-unit span {
            font-size: 0.62rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(240,201,103,0.6);
            margin-top: 2px;
        }

        /* ── LAYOUT ──────────────────────────────── */
        .page-wrap {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 5%;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            align-items: start;
            padding: 56px 0;
        }
        .main-col { display: flex; flex-direction: column; gap: 36px; }
        .side-col { display: flex; flex-direction: column; gap: 20px; }

        /* ── SECTION CARD ────────────────────────── */
        .section-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(203,213,225,0.6);
            overflow: hidden;
            box-shadow: var(--shadow);
            animation: fadeUp .5s both;
            max-width: 900px;
        }
        .section-card-header {
            padding: 5px 3% 5px;
            border-bottom: 2.5px solid rgb(0 0 0 / 10%);
            display: flex;
            align-items: center;
            gap: 12px;
        }        
        .section-card-header .icon-box {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--blue), var(--blue-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .section-card-header h2 {
            font-family: 'Playfair Display', serif;
            font-size: 1.2rem;
            color: var(--navy);
        }
        .section-card-body { padding: 10px 4% 20px; }

        /* ── PROMO ───────────────────────────────── */
        .promo-grid {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 20px;
            align-items: center;
        }
        .promo-grid img { width: 72px; opacity: 0.85; }
        .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 100px;
        }
        .tag-blue { background: #eff6ff; color: var(--blue); border: 1px solid #bfdbfe; }
        .tag-gold { background: #fefce8; color: #92400e; border: 1px solid #fde68a; }
        .tag-green { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }

        /* ── MODALIDAD ───────────────────────────── */
        .modality-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .mod-card {
            border: 1.5px solid #e3e3e3;
            border-radius: var(--radius);
            padding: 18px;
            transition: border-color .2s, box-shadow .2s;
        }
        .mod-card:hover { border-color: var(--blue-light); box-shadow: 0 4px 20px rgba(37,99,235,0.08); }
        .mod-card h4 {
            font-family: 'Playfair Display', serif;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        .mod-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
        .mod-list li {
            font-size: 0.83rem;
            color: var(--gray-700);
            display: flex;
            gap: 8px;
        }
        .mod-list li::before {
            content: '–';
            color: var(--gray-300);
            flex-shrink: 0;
        }

        /* ── TEMARIO ─────────────────────────────── */
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 13px 0;
            border-bottom: 1px solid var(--gray-100);
        }
        .topic-item:nth-child(odd) { padding-right: 20px; border-right: 1px solid var(--gray-100); }
        .topic-item:nth-child(even) { padding-left: 20px; }
        .topic-num {
            font-family: 'Playfair Display', serif;
            font-size: 1.1rem;
            color: var(--gold);
            line-height: 1;
            min-width: 24px;
        }
        .topic-item p { font-size: 0.85rem; color: var(--gray-700); line-height: 1.45; }

        /* ── PRECIOS ─────────────────────────────── */
        .price-tabs {
            display: flex;
            gap: 0;
            border: 1.5px solid var(--gray-100);
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 20px;
        }
        .price-tab {
            flex: 1;
            padding: 10px 8px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--gray-500);
            cursor: pointer;
            border: none;
            background: transparent;
            text-align: center;
            transition: all .2s;
            font-family: 'DM Sans', sans-serif;
        }
        .price-tab.active {
            background: var(--blue);
            color: var(--white);
        }
        .price-panel { display: none; }
        .price-panel.active { display: block; }
        .price-option {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--gray-100);
        }
        .price-option:last-child { border-bottom: none; }
        .price-option-name { font-size: 0.88rem; font-weight: 500; color: var(--navy); }
        .price-option-detail { font-size: 0.75rem; color: var(--gray-500); }
        .price-badge {
            font-family: 'Playfair Display', serif;
            font-size: 1.1rem;
            color: var(--blue);
            font-weight: 700;
            white-space: nowrap;
        }

        /* ── SIDE CARD ───────────────────────────── */
        .side-widget {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(203,213,225,0.6);
            box-shadow: var(--shadow);
            padding: 22px 20px;
        }
        .side-widget h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1rem;
            color: var(--navy);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gold);
        }
        .info-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 9px 0;
            border-bottom: 1px solid var(--gray-100);
            font-size: 0.83rem;
        }
        .info-row:last-child { border-bottom: none; }
        .info-row .label { color: var(--gray-500); }
        .info-row .val { font-weight: 600; color: var(--navy); text-align: right; max-width: 55%; }

        /* Bank */
        .bank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 0;
            border-bottom: 1px solid var(--gray-100);
        }
        .bank-item:last-child { border-bottom: none; }
        .bank-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--blue);
            flex-shrink: 0;
        }
        .bank-name { font-size: 0.85rem; font-weight: 600; color: var(--navy); }
        .bank-num { font-size: 0.75rem; color: var(--gray-500); }

        /* ── CERT GALLERY ────────────────────────── */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .cert-card {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1.5px solid var(--gray-100);
            transition: transform .2s, box-shadow .2s;
        }
        .cert-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
        .cert-card img { width: 100%; display: block; }
        .cert-card-label {
            padding: 8px 10px;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--gray-500);
            text-align: center;
            background: var(--white);
        }

        /* ── CONVENIO ────────────────────────────── */
        .convenio-card {
            background: linear-gradient(135deg, var(--navy) 0%, #1a3a6e 100%);
            border-radius: var(--radius-lg);
            padding: 28px;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .convenio-badge {
            background: rgba(201,168,76,0.2);
            border: 2px solid var(--gold);
            border-radius: 50%;
            width: 72px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.8rem;
        }
        .convenio-card h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--gold-light);
        }
        .convenio-card p { font-size: 0.83rem; color: rgba(255,255,255,0.65); line-height: 1.5; }

        /* ── CTA SECTION ─────────────────────────── */
        .cta-section {
            background: linear-gradient(180deg, #1e314d 0%, #1849a5 100%);
            padding: 64px 5%;
            text-align: center;
        }
        .cta-section h2 {
            font-family: 'Playfair Display', serif;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-section p { color: rgba(255,255,255,0.6); margin-bottom: 28px; }
        .cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

        /* ── FOOTER ──────────────────────────────── */
        footer {
            background: var(--navy);
            padding: 32px 5%;
            text-align: center;
            border-top: 1px solid rgba(201,168,76,0.2);
        }
        footer .footer-logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.2rem;
            color: var(--gold);
            margin-bottom: 8px;
        }
        footer p { font-size: 0.78rem; color: rgba(255,255,255,0.35); }

        /* ── ANIMATIONS ──────────────────────────── */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(18px); }
            to   { opacity: 1; transform: translateY(0); }
        }
        .section-card:nth-child(1) { animation-delay: .05s; }
        .section-card:nth-child(2) { animation-delay: .12s; }
        .section-card:nth-child(3) { animation-delay: .18s; }
        .section-card:nth-child(4) { animation-delay: .22s; }

        /* ── RESPONSIVE ──────────────────────────── */
        @media (max-width: 900px) {
            .hero-grid { grid-template-columns: 1fr; }
            .hero-card { max-width: 420px; }
            .two-col { grid-template-columns: 1fr; }
            .side-col { order: -1; }
            .modality-grid { grid-template-columns: 1fr; }
            .topic-grid { grid-template-columns: 1fr; }
            .topic-item:nth-child(odd) { padding-right: 0; border-right: none; }
            .topic-item:nth-child(even) { padding-left: 0; }
            .cert-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 550px) {
            .hero { padding: 48px 5% 27px; }
            .hero-stats { gap: 20px; }
            nav { padding: 0 4%; }
            .nav-links { display: none; }
            .cert-grid { grid-template-columns: 1fr 1fr; }
        }
        
        
        /* CLIENTES */
        
        .clientes-section {
            padding: 59px 10px 67px;
            background: #e9eff4;
            text-align: center;
        }
        
        .clientes-section h2 {
            font-size: 28px;
            margin-bottom: 10px;
            color: #111827;
            font-family: "Playfair Display", serif;
        }
        
        .clientes-section p {
            color: #6b7280;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .clientes-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: center;
            margin: auto;
        }
        
        .cliente-item {
            height: 100px; /* contenedor fijo */
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .cliente-item img {
            max-height: 95px;
            max-width: 100%;
            width: auto;
            height: auto; /* clave para no deformar */
            border-radius: 10px;
            background: #fff;
            padding: 5px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.06);
            transition: all 0.3s ease;
        }
        
        .cliente-item:hover img {
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.12);
        }
        
        .cliente-item:hover {
            transform: translateY(-3px);
        }