        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
 
        :root {
            --primary:    #1F4E79;
            --secondary:  #3A7CA5;
            --accent:     #A7C7E7;
            --bg:         #F8FAFC;
            --white:      #ffffff;
            --text:       #1a2e45;
            --text-muted: #6B7280;
            --border:     #e2e8f0;
            --shadow-sm:  0 2px 8px rgba(31,78,121,0.07);
            --shadow-md:  0 8px 28px rgba(31,78,121,0.11);
            --shadow-lg:  0 20px 50px rgba(31,78,121,0.14);
            --radius-sm:  8px;
            --radius-md:  12px;
            --radius-lg:  20px;
            --font: 'Poppins', system-ui, sans-serif;
        }
 
        html { scroll-behavior: smooth; }
 
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
            line-height: 1.6;
        }
 
        /* ─── HEADER ─── */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 900;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
 
        header.scrolled {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
 
        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
        }
 
        .nav-left, .nav-right {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
 
        .nav-right { justify-content: flex-end; }
 
        nav a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            transition: color 0.25s;
        }
 
        nav a:hover { color: var(--primary); }
 
        .nav-logo {
            display: flex;
            justify-content: center;
        }
 
        .nav-logo img {
            height: 48px;
            width: 48px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s, box-shadow 0.3s;
        }
 
        .nav-logo img:hover {
            transform: scale(1.06);
            box-shadow: 0 0 0 4px rgba(167,199,231,0.4);
        }
 
        /* ─── HAMBURGER ─── */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s;
        }
 
        /* ─── HERO ─── */
        #hero {
            min-height: 100vh;
            background: var(--bg);
            background-image:
                radial-gradient(ellipse 70% 55% at 50% 10%, rgba(167,199,231,0.35) 0%, transparent 65%),
                radial-gradient(ellipse 40% 40% at 85% 80%, rgba(58,124,165,0.1) 0%, transparent 60%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 0 2rem;
            position: relative;
            overflow: hidden;
        }
 
        #hero::after {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            border: 1px solid rgba(167,199,231,0.25);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }
 
        .hero-logo {
            margin-bottom: 2rem;
            position: relative;
            z-index: 2;
        }
 
        .hero-logo img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--white);
            box-shadow: 0 0 0 6px rgba(167,199,231,0.4), var(--shadow-md);
            animation: floatLogo 4s ease-in-out infinite;
        }
 
        @keyframes floatLogo {
            0%, 100% { transform: translateY(0); }
            50%       { transform: translateY(-8px); }
        }
 
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
 
        .hero-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(167,199,231,0.2);
            border: 1px solid rgba(167,199,231,0.5);
            padding: 0.38rem 1.1rem;
            border-radius: 50px;
            margin-bottom: 1.4rem;
        }
 
        .hero-content h1 {
            font-size: clamp(2.4rem, 5.5vw, 4rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.13;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
 
        .hero-content h1 span { color: var(--secondary); }
 
        .hero-content p {
            font-size: 1.05rem;
            color: var(--text-muted);
            font-weight: 400;
            line-height: 1.75;
            margin-bottom: 2.4rem;
        }
 
        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
 
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.04em;
            transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
            box-shadow: 0 4px 16px rgba(31,78,121,0.3);
        }
 
        .btn-primary:hover {
            background: var(--secondary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(31,78,121,0.35);
        }
 
        .btn-secondary {
            background: var(--white);
            color: var(--primary);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.04em;
            border: 1.5px solid var(--accent);
            transition: all 0.25s;
        }
 
        .btn-secondary:hover {
            background: rgba(167,199,231,0.12);
            border-color: var(--secondary);
            transform: translateY(-2px);
        }
 
        .hero-scroll {
            position: absolute;
            bottom: 2.2rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.4rem;
            color: var(--text-muted);
            font-size: 0.67rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
        }
 
        .scroll-line {
            width: 1px;
            height: 36px;
            background: linear-gradient(to bottom, var(--accent), transparent);
            animation: scrollAnim 2.2s ease-in-out infinite;
        }
 
        @keyframes scrollAnim {
            0%, 100% { opacity: 0.5; transform: scaleY(1); }
            50%       { opacity: 1; transform: scaleY(1.15); }
        }
 
        /* ─── SECTION WRAPPER ─── */
        .section-wrapper {
            padding: 6rem 2rem;
            background: var(--white);
        }
 
        .section-wrapper.bg-alt {
            background: var(--bg);
        }
 
        .section-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
 
        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }
 
        .section-eyebrow {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--secondary);
            margin-bottom: 0.7rem;
            display: block;
        }
 
        .section-header h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
 
        .section-header p {
            margin-top: 0.8rem;
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            font-weight: 400;
        }
 
        .divider {
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 1rem auto 0;
        }
 
        /* ─── SERVICIOS ─── */
        .servicios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 1.25rem;
        }
 
        .servicio-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            position: relative;
            overflow: hidden;
        }
 
        .servicio-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s;
        }
 
        .servicio-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
 
        .servicio-card:hover::before { transform: scaleX(1); }
 
        .servicio-icon {
            font-size: 2.4rem;
            margin-bottom: 1rem;
            display: block;
        }
 
        .servicio-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.7rem;
        }
 
        .servicio-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
        }
 
        /* ─── GALERÍA ─── */
        .galeria-grid {
            columns: 4;
            column-gap: 10px;
        }
 
        @media (max-width: 1024px) { .galeria-grid { columns: 3; } }
        @media (max-width: 640px)  { .galeria-grid { columns: 2; } }
 
        .galeria-item {
            break-inside: avoid;
            margin-bottom: 10px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
 
        .galeria-item img {
            width: 100%;
            display: block;
            transition: transform 0.4s ease;
        }
 
        .galeria-item::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31,78,121,0.55), transparent 55%);
            opacity: 0;
            transition: opacity 0.3s;
        }
 
        .galeria-item:hover img { transform: scale(1.05); }
        .galeria-item:hover::after { opacity: 1; }
 
        /* ─── LIGHTBOX ─── */
        .lightbox {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(10,20,35,0.96);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }
 
        .lightbox.active { display: flex; }
 
        .lightbox img {
            max-width: 90vw;
            max-height: 90vh;
            border-radius: var(--radius-sm);
            object-fit: contain;
            box-shadow: 0 0 60px rgba(0,0,0,0.6);
        }
 
        .lightbox-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            color: rgba(255,255,255,0.7);
            font-size: 1.8rem;
            cursor: pointer;
            line-height: 1;
            opacity: 0.7;
            transition: opacity 0.2s, color 0.2s;
            background: none;
            border: none;
        }
 
        .lightbox-close:hover { opacity: 1; color: white; }
 
        /* ─── SOBRE NOSOTROS ─── */
        .sobre-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
 
        .sobre-image-wrap {
            position: relative;
        }
 
        .sobre-image-wrap img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            height: 420px;
            display: block;
            box-shadow: var(--shadow-md);
        }
 
        .sobre-badge {
            position: absolute;
            bottom: -1.5rem;
            right: -1.5rem;
            background: var(--primary);
            color: var(--white);
            padding: 1.4rem;
            border-radius: var(--radius-md);
            text-align: center;
            font-weight: 700;
            font-size: 0.82rem;
            box-shadow: var(--shadow-md);
            letter-spacing: 0.03em;
        }
 
        .sobre-badge span {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            line-height: 1;
            color: var(--accent);
        }
 
        .sobre-text h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 1.4rem;
            text-align: left;
            letter-spacing: -0.02em;
        }
 
        .sobre-text p {
            color: var(--text-muted);
            font-size: 0.97rem;
            line-height: 1.8;
            margin-bottom: 1.1rem;
        }
 
        .sobre-values {
            display: flex;
            gap: 1.2rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }
 
        .value-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
        }
 
        .value-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--secondary);
            flex-shrink: 0;
        }
 
        /* ─── CONTACTO ─── */
        .contacto-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }
 
        .contacto-info h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.9rem;
            letter-spacing: -0.02em;
        }
 
        .contacto-info p {
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 2rem;
            font-size: 0.97rem;
        }
 
        .contact-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
 
        .btn-whatsapp {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: #25d366;
            color: white;
            padding: 0.95rem 1.4rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all 0.25s;
            box-shadow: 0 3px 12px rgba(37,211,102,0.25);
            border: none;
            cursor: pointer;
            width: 100%;
            font-family: var(--font);
        }
 
        .btn-whatsapp:hover {
            background: #20b957;
            transform: translateY(-2px);
            box-shadow: 0 7px 22px rgba(37,211,102,0.35);
        }
 
        .btn-instagram {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
            color: white;
            padding: 0.95rem 1.4rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all 0.25s;
            box-shadow: 0 3px 12px rgba(131,58,180,0.25);
        }
 
        .btn-instagram:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 7px 22px rgba(131,58,180,0.35);
        }
 
        .btn-icon { font-size: 1.2rem; line-height: 1; }
 
        .contacto-form {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 2.2rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
 
        .form-group { margin-bottom: 1.3rem; }
 
        .form-group label {
            display: block;
            margin-bottom: 0.45rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.04em;
        }
 
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-family: var(--font);
            font-size: 0.92rem;
            color: var(--text);
            background: var(--bg);
            transition: border-color 0.25s, box-shadow 0.25s;
        }
 
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(58,124,165,0.12);
            background: var(--white);
        }
 
        .form-group textarea { resize: vertical; min-height: 115px; }
 
        .btn-submit {
            width: 100%;
            background: var(--primary);
            color: white;
            padding: 0.95rem;
            border: none;
            border-radius: var(--radius-sm);
            font-family: var(--font);
            font-size: 0.92rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
            letter-spacing: 0.04em;
        }
 
        .btn-submit:hover {
            background: var(--secondary);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(31,78,121,0.28);
        }
 
        /* ─── FOOTER ─── */
        footer {
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
 
        .footer-bg {
            position: absolute;
            inset: 0;
            background-image: url('im13.jpg');
            background-size: cover;
            background-position: center;
            filter: brightness(0.18) saturate(0.5);
        }
 
        .footer-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31,78,121,0.96) 0%, rgba(31,78,121,0.82) 55%, rgba(31,78,121,0.6) 100%);
        }
 
        .footer-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 3rem 2rem;
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
        }
 
        .footer-logo img {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid rgba(167,199,231,0.6);
            box-shadow: 0 0 0 4px rgba(167,199,231,0.15);
            margin-bottom: 1.1rem;
        }
 
        .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.12em;
            margin-bottom: 0.4rem;
        }
 
        .footer-tagline {
            color: rgba(167,199,231,0.8);
            font-size: 0.82rem;
            font-weight: 400;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            margin-bottom: 2rem;
        }
 
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.8rem;
        }
 
        .footer-links a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            transition: color 0.25s;
        }
 
        .footer-links a:hover { color: var(--white); }
 
        .footer-social {
            display: flex;
            justify-content: center;
            gap: 0.85rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
 
        .footer-social a {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            font-size: 0.82rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border: 1px solid rgba(167,199,231,0.25);
            border-radius: 50px;
            transition: all 0.25s;
        }
 
        .footer-social a:hover {
            color: var(--white);
            border-color: rgba(167,199,231,0.7);
            background: rgba(167,199,231,0.12);
        }
 
        .footer-divider {
            width: 1px;
            height: 28px;
            background: rgba(255,255,255,0.12);
            margin: 0 auto 1.4rem;
        }
 
        .footer-copy {
            color: rgba(255,255,255,0.3);
            font-size: 0.75rem;
            letter-spacing: 0.05em;
        }
 
        /* ─── WHATSAPP FLOAT ─── */
        .whatsapp-float {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #25d366;
            color: white;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            text-decoration: none;
            box-shadow: 0 4px 18px rgba(37,211,102,0.45);
            z-index: 800;
            transition: transform 0.3s, box-shadow 0.3s;
            border: none;
            cursor: pointer;
            font-family: var(--font);
        }
 
        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(37,211,102,0.6);
        }
 
        /* ─── RESPONSIVE ─── */
        @media (max-width: 900px) {
            nav { grid-template-columns: auto 1fr auto; }
            .nav-left, .nav-right { display: none; }
            .hamburger { display: flex; }
            .nav-logo { justify-content: center; }
 
            .sobre-grid,
            .contacto-grid { grid-template-columns: 1fr; }
 
            .sobre-image-wrap { order: -1; }
            .sobre-badge { right: 0; }
        }
 
        @media (max-width: 600px) {
            .hero-content h1 { font-size: 2rem; }
            .section-wrapper { padding: 4rem 1.2rem; }
            .footer-content { padding: 2.5rem 1.5rem; }
            .contacto-form { padding: 1.6rem; }
        }
 
        /* ─── POLAROID ─── */
        .polaroid-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            align-items: center;
        }
 
        .polaroid-text h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            margin: 0.6rem 0 1.1rem;
            line-height: 1.2;
        }
 
        .polaroid-text p {
            color: var(--text-muted);
            font-size: 0.97rem;
            line-height: 1.8;
            margin-bottom: 1.8rem;
        }
 
        .polaroid-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
            margin-bottom: 2rem;
        }
 
        .polaroid-features li {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
        }
 
        .feat-icon {
            color: var(--secondary);
            font-size: 0.75rem;
            flex-shrink: 0;
        }
 
        .polaroid-cta { display: inline-block; }
 
        .polaroid-photos {
            position: relative;
            height: 460px;
        }
 
        .polaroid-frame {
            position: absolute;
            background: var(--white);
            padding: 10px 10px 36px;
            border-radius: 3px;
            box-shadow: 0 8px 32px rgba(31,78,121,0.14), 0 2px 8px rgba(0,0,0,0.08);
            transition: transform 0.35s ease, box-shadow 0.35s ease;
            cursor: default;
        }
 
        .polaroid-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 1px;
        }
 
        .polaroid-frame--left {
            width: 240px;
            height: 280px;
            top: 20px;
            left: 0;
            transform: rotate(-4deg);
            z-index: 1;
        }
 
        .polaroid-frame--right {
            width: 260px;
            height: 310px;
            top: 80px;
            left: 130px;
            transform: rotate(3.5deg);
            z-index: 2;
        }
 
        .polaroid-frame--left:hover {
            transform: rotate(-1deg) scale(1.03);
            box-shadow: 0 20px 50px rgba(31,78,121,0.18);
            z-index: 3;
        }
 
        .polaroid-frame--right:hover {
            transform: rotate(1deg) scale(1.03);
            box-shadow: 0 20px 50px rgba(31,78,121,0.18);
            z-index: 3;
        }
 
        @media (max-width: 900px) {
            .polaroid-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            .polaroid-photos {
                height: 340px;
            }
            .polaroid-frame--left { width: 180px; height: 210px; }
            .polaroid-frame--right { width: 200px; height: 235px; left: 100px; top: 60px; }
        }
 
        /* ─── REVEAL ANIMATIONS ─── */
        .reveal {
            opacity: 0;
            transform: translateY(22px);
            transition: opacity 0.55s ease, transform 0.55s ease;
        }
 
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
 
        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }
 
        /* ─── MODAL WHATSAPP ─── */
        .modal-wa-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(10,20,35,0.72);
            z-index: 3000;
            align-items: center;
            justify-content: center;
        }
 
        .modal-wa-overlay.active {
            display: flex;
        }
 
        .modal-wa-box {
            background: var(--white);
            border-radius: 20px;
            padding: 2.2rem 2rem;
            max-width: 340px;
            width: 90%;
            text-align: center;
            box-shadow: 0 24px 64px rgba(0,0,0,0.28);
            animation: modalIn 0.25s ease;
        }
 
        @keyframes modalIn {
            from { transform: scale(0.92); opacity: 0; }
            to   { transform: scale(1);    opacity: 1; }
        }
 
        .modal-wa-icon { font-size: 2.4rem; margin-bottom: 0.6rem; }
 
        .modal-wa-box h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.35rem;
        }
 
        .modal-wa-box p {
            color: var(--text-muted);
            font-size: 0.84rem;
            margin-bottom: 1.5rem;
        }
 
        .modal-wa-options {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-bottom: 1.2rem;
        }
 
        .modal-wa-btn {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            background: #25d366;
            color: white;
            padding: 0.95rem 1.2rem;
            border-radius: 12px;
            text-decoration: none;
            font-family: var(--font);
            font-weight: 600;
            font-size: 0.95rem;
            transition: filter 0.2s, transform 0.2s;
        }
 
        .modal-wa-btn:hover {
            filter: brightness(0.91);
            transform: translateY(-1px);
        }
 
        .modal-wa-btn-avatar { font-size: 1.6rem; line-height: 1; }
 
        .modal-wa-btn-info { text-align: left; }
 
        .modal-wa-btn-name { display: block; font-size: 1rem; }
 
        .modal-wa-btn-num {
            display: block;
            font-size: 0.75rem;
            font-weight: 400;
            opacity: 0.85;
        }
 
        .modal-wa-cancel {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 0.85rem;
            cursor: pointer;
            font-family: var(--font);
            padding: 0.3rem 1rem;
            border-radius: 6px;
            transition: color 0.2s;
        }
 
        .modal-wa-cancel:hover { color: var(--primary); }
    
        /* botón WhatsApp dentro del footer-social */
        .footer-social-wa {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            color: rgba(255,255,255,0.7);
            background: none;
            border: 1px solid rgba(167,199,231,0.25);
            border-radius: 50px;
            padding: 0.5rem 1rem;
            font-family: var(--font);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s;
        }
        .footer-social-wa:hover {
            color: var(--white);
            border-color: rgba(167,199,231,0.7);
            background: rgba(167,199,231,0.12);
        }
    

/* ════════════════════════════════════════════
   MEJORAS — menú móvil, accesibilidad, motion
   ════════════════════════════════════════════ */

/* ─── MENÚ MÓVIL ─── */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    box-shadow: -12px 0 40px rgba(31,78,121,0.16);
    z-index: 950;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.38s cubic-bezier(0.22,0.61,0.36,1);
}
.mobile-menu.open { transform: translateX(0); }

.mobile-menu a {
    color: var(--primary);
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.85rem 0.6rem;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s, padding-left 0.2s;
}
.mobile-menu a:hover,
.mobile-menu a:focus-visible { color: var(--secondary); padding-left: 1.1rem; }

.mobile-menu .mm-cta {
    margin-top: 1.4rem;
    background: var(--primary);
    color: var(--white);
    text-align: center;
    border-radius: var(--radius-sm);
    border: none;
}
.mobile-menu .mm-cta:hover { background: var(--secondary); padding-left: 0.6rem; }

.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10,20,35,0.45);
    z-index: 940;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.menu-backdrop.open { opacity: 1; visibility: visible; }

/* hamburguesa → X cuando está activa */
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* el hamburguesa siempre por encima del panel */
.hamburger { z-index: 960; position: relative; }

/* ─── ACCESIBILIDAD ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ─── MOTION REDUCIDO ─── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* botones del modal WA ahora son <button> */
.modal-wa-btn {
    border: none;
    cursor: pointer;
    width: 100%;
    font-family: var(--font);
}

/* ════════════════════════════════════════════
   SECCIONES POR CATEGORÍA (comercial/fútbol/diplomas)
   ════════════════════════════════════════════ */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}
.cat-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    background: var(--white);
    aspect-ratio: 3 / 4;
}
.cat-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.cat-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(31,78,121,0.5), transparent 55%);
    opacity: 0;
    transition: opacity 0.3s;
}
.cat-item:hover img { transform: scale(1.05); }
.cat-item:hover::after { opacity: 1; }

.cat-cta { text-align: center; margin-top: 2.5rem; }
.cat-cta .cta-cat {
    border: none;
    cursor: pointer;
    font-family: var(--font);
}

@media (max-width: 600px) {
    .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 0.7rem; }
}

/* ════════════════════════════════════════════
   BANDERA ARGENTINA ONDULANTE (sección Fútbol)
   ════════════════════════════════════════════ */
.bandera-arg {
    width: 100%;
    height: 50px;
    margin: 0.25rem 0 2.5rem;
    background: linear-gradient(
        to bottom,
        #75AADB 0 34%,
        #ffffff 34% 66%,
        #75AADB 66% 100%
    );
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='50' viewBox='0 0 200 50' preserveAspectRatio='none'%3E%3Cpath d='M0,14 C50,4 50,4 100,14 C150,24 150,24 200,14 L200,38 C150,48 150,48 100,38 C50,28 50,28 0,38 Z' fill='white'/%3E%3C/svg%3E") repeat-x;
            mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='50' viewBox='0 0 200 50' preserveAspectRatio='none'%3E%3Cpath d='M0,14 C50,4 50,4 100,14 C150,24 150,24 200,14 L200,38 C150,48 150,48 100,38 C50,28 50,28 0,38 Z' fill='white'/%3E%3C/svg%3E") repeat-x;
    -webkit-mask-size: 200px 100%;
            mask-size: 200px 100%;
    animation: banderaOndea 8s linear infinite;
}
@keyframes banderaOndea {
    from { -webkit-mask-position: 0 0;     mask-position: 0 0; }
    to   { -webkit-mask-position: 200px 0; mask-position: 200px 0; }
}
@media (prefers-reduced-motion: reduce) {
    .bandera-arg { animation: none; }
}
