:root {
            --sintra-blue: #00a1df;
            --sintra-blue-dark: #007fb0;
            --sintra-black: #000000;
            --sintra-white: #f4f7fb;
            --sintra-gray: #d7e1ea;
            --sintra-text: #1f2933;
        }

        body {
            font-family: "Source Sans 3", "Segoe UI", Arial, sans-serif;
            color: var(--sintra-text);
            background: radial-gradient(circle at 18% 8%, rgba(16, 165, 220, 0.16), transparent 35%), radial-gradient(circle at 85% 75%, rgba(16, 165, 220, 0.12), transparent 38%), #f7fafc;
            overflow-x: hidden;
        }

        h1, .h1 { font-size: clamp(2rem, 3vw, 3rem); line-height: 1.1; }
        h2, .h2 { font-size: clamp(1.65rem, 2.2vw, 2.35rem); line-height: 1.2; }
        h3, .h3 { font-size: clamp(1.35rem, 1.8vw, 1.85rem); line-height: 1.25; }
        h4, .h4 { font-size: clamp(1.18rem, 1.35vw, 1.45rem); line-height: 1.3; }
        .lead { font-size: clamp(1.06rem, 1.2vw, 1.25rem); line-height: 1.6; }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        body::before {
            content: "";
            position: fixed;
            right: -110px;
            bottom: -90px;
            width: 430px;
            height: 430px;
            background: url('/site/images/sintralogo.png') no-repeat center / contain;
            opacity: 0.05;
            pointer-events: none;
            z-index: -1;
            transform: rotate(-8deg);
        }

        .navbar {
            background: rgba(10, 13, 17, 0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0.35rem 0 0.55rem;
            transition: background 0.22s ease, padding 0.22s ease, box-shadow 0.22s ease;
        }

        .top-contact {
            font-size: 0.8rem;
            color: #b8c6d6;
            letter-spacing: 0.03em;
            margin-bottom: 0.4rem;
        }

        .top-contact a {
            color: #c7d6e6;
            text-decoration: none;
        }

        .top-contact a:hover {
            color: var(--sintra-blue);
        }

        .nav-shell {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 0.95rem;
            padding: 0.4rem 0.85rem;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
            transition: padding 0.22s ease, border-color 0.22s ease, background 0.22s ease;
        }

        .navbar-brand {
            font-weight: 900;
            letter-spacing: 0.11em;
            color: #fff !important;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .brand-logo {
            height: 44px;
            width: auto;
            display: block;
            filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
            transition: height 0.22s ease;
        }

        .brand-name {
            font-size: 0.95rem;
            color: #dce8f4;
            font-weight: 700;
            letter-spacing: 0.08em;
        }

        .nav-link {
            color: #e6edf5 !important;
            font-weight: 600;
            position: relative;
            transition: color 0.25s ease;
            border-radius: 0.55rem;
            padding: 0.55rem 0.82rem !important;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0.7rem;
            right: 0.7rem;
            bottom: 0.3rem;
            height: 2px;
            background: var(--sintra-blue);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.25s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--sintra-blue) !important;
            background: rgba(16, 165, 220, 0.08);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .menu-cta {
            margin-left: 0.35rem;
        }

        .menu-cta .btn {
            font-size: 0.93rem;
            padding: 0.55rem 1rem;
        }

        .navbar.scrolled {
            background: rgba(0, 0, 0, 0.97);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
            padding: 0.2rem 0 0.35rem;
        }

        .navbar.scrolled .nav-shell {
            padding: 0.3rem 0.75rem;
            border-color: rgba(0, 161, 223, 0.3);
            background: linear-gradient(180deg, rgba(0, 161, 223, 0.1), rgba(255, 255, 255, 0.02));
        }

        .navbar.scrolled .brand-logo {
            height: 38px;
        }

        .page-hero {
            position: relative;
            padding: 8.8rem 0 5rem;
            overflow: hidden;
            color: #fff;
            background: linear-gradient(120deg, #0a0d11 0%, #091622 58%, #0b2532 100%);
            background-size: cover !important;
            background-position: center !important;
            background-repeat: no-repeat !important;
        }

        .hero-nosotros {
            background-image: linear-gradient(120deg, rgba(10, 13, 17, 0.88), rgba(9, 22, 34, 0.78), rgba(11, 37, 50, 0.82)), url('/site/images/c/n6.jpg');
        }

        .hero-servicios {
            background-image: linear-gradient(120deg, rgba(0, 0, 0, 0.9), rgba(0, 20, 31, 0.82), rgba(0, 45, 61, 0.78)), url('/site/images/c/se1.jpg');
        }

        .hero-contacto {
            background-image: linear-gradient(120deg, rgba(10, 13, 17, 0.88), rgba(9, 22, 34, 0.76), rgba(11, 37, 50, 0.82)), url('/site/images/c/c1.jpg');
        }

        .hero-bolsa {
            background-image: linear-gradient(120deg, rgba(10, 13, 17, 0.88), rgba(9, 22, 34, 0.74), rgba(11, 37, 50, 0.8)), url('/site/images/c/b1.jpeg');
        }

        .hero-aviso {
            background-image: linear-gradient(120deg, rgba(10, 13, 17, 0.9), rgba(9, 22, 34, 0.82), rgba(11, 37, 50, 0.84)), url('/site/images/c/s1.jpeg');
        }

        .hero-terminos {
            background-image: linear-gradient(120deg, rgba(10, 13, 17, 0.9), rgba(9, 22, 34, 0.82), rgba(11, 37, 50, 0.84)), url('/site/images/fondo-sintra2.png');
        }

        .hero-inicio-1 {
            min-height: 84vh;
            background-image: linear-gradient(125deg, rgba(8, 12, 17, 0.9), rgba(8, 12, 17, 0.65)), url('/site/images/c/s1.jpeg');
        }

        .hero-inicio-2 {
            min-height: 84vh;
            background-image: linear-gradient(125deg, rgba(8, 12, 17, 0.9), rgba(8, 12, 17, 0.6)), url('/site/images/c/s2.jpeg');
        }

        .hero-inicio-3 {
            min-height: 84vh;
            background-image: linear-gradient(125deg, rgba(8, 12, 17, 0.9), rgba(8, 12, 17, 0.6)), url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=1900&q=80');
        }

        .page-hero h1,
        .page-hero p,
        .page-hero .badge {
            text-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
        }

        .page-hero::before,
        .page-hero::after {
            content: "";
            position: absolute;
            border-radius: 100%;
            pointer-events: none;
        }

        .page-hero::before {
            width: 420px;
            height: 420px;
            top: -150px;
            right: -120px;
            background: radial-gradient(circle, rgba(16, 165, 220, 0.34), transparent 65%);
            animation: pulseOrb 7s ease-in-out infinite;
        }

        .page-hero::after {
            width: 340px;
            height: 340px;
            bottom: -110px;
            left: -110px;
            background: radial-gradient(circle, rgba(16, 165, 220, 0.26), transparent 64%);
            animation: pulseOrb 6s ease-in-out infinite reverse;
        }

        @keyframes pulseOrb {
            0%, 100% { transform: translateY(0) scale(1); }
            50% { transform: translateY(14px) scale(1.05); }
        }

        .section-title {
            font-weight: 900;
            letter-spacing: 0.03em;
            color: var(--sintra-black);
            margin-bottom: 0.8rem;
        }

        .section-subtitle {
            max-width: 760px;
            color: #5f6e7d;
            margin-bottom: 2rem;
        }

        .card-corporate {
            border: 1px solid rgba(15, 30, 42, 0.06);
            border-radius: 1.1rem;
            background: rgba(255, 255, 255, 0.94);
            box-shadow: 0 14px 26px rgba(7, 24, 38, 0.08);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }

        .card-corporate:hover {
            transform: translateY(-7px);
            box-shadow: 0 20px 36px rgba(7, 24, 38, 0.14);
        }

        .card-media {
            margin-top: 1rem;
            border-radius: 0.85rem;
            overflow: hidden;
            border: 1px solid rgba(10, 35, 55, 0.09);
            background: #e8f0f7;
            aspect-ratio: 16 / 10;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .map-embed {
            border: 0;
            width: 100%;
            height: 100%;
        }

        .sintra-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(16, 165, 220, 0.13);
            color: var(--sintra-blue-dark);
            font-size: 1.4rem;
        }

        .btn-sintra {
            background: var(--sintra-blue);
            border-color: var(--sintra-blue);
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.02em;
            transition: transform 0.2s ease, background 0.2s ease;
        }

        .btn-sintra:hover {
            background: #0a93c6;
            border-color: #0a93c6;
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-sintra {
            border: 2px solid var(--sintra-blue);
            color: var(--sintra-blue);
            font-weight: 700;
        }

        .btn-outline-sintra:hover {
            background: var(--sintra-blue);
            color: #fff;
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .nav-link:focus-visible,
        .form-control:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(0, 161, 223, 0.45);
            outline-offset: 2px;
            box-shadow: 0 0 0 0.2rem rgba(0, 161, 223, 0.18);
        }

        .form-control:focus,
        textarea:focus,
        select:focus {
            border-color: rgba(0, 161, 223, 0.7);
            box-shadow: 0 0 0 0.2rem rgba(0, 161, 223, 0.16);
        }

        .cta-strip {
            background: linear-gradient(110deg, #0a0d11 0%, #0e1b29 45%, #0b2837 100%);
            color: #fff;
            border-radius: 1.2rem;
            position: relative;
            overflow: hidden;
        }

        .cta-strip::after {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(125deg, rgba(16, 165, 220, 0.14) 0 12px, transparent 12px 28px);
            pointer-events: none;
            opacity: 0.45;
        }

        .cta-strip > * {
            position: relative;
            z-index: 1;
        }

        footer {
            background: #07090c;
            color: #d3dce6;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            width: 170px;
            max-width: 100%;
            height: auto;
            margin-bottom: 0.9rem;
            filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.28));
        }

        .footer-title {
            font-size: 0.8rem;
            letter-spacing: 0.12em;
            font-weight: 700;
            color: #97a9bd;
            text-transform: uppercase;
            margin-bottom: 0.8rem;
        }

        .footer-link {
            color: #d3dce6;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-link:hover {
            color: var(--sintra-blue);
        }

        .footer-contact {
            color: #c9d6e4;
            text-decoration: none;
        }

        .footer-contact:hover {
            color: var(--sintra-blue);
        }

        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #d3dce6;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .footer-social a:hover {
            border-color: var(--sintra-blue);
            color: var(--sintra-blue);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 1.6rem;
            padding-top: 1rem;
            color: #9fb0c2;
        }

        .row > [data-aos] {
            transition-delay: calc(var(--stagger-index, 0) * 75ms);
        }

        @media (max-width: 991.98px) {
            .brand-logo {
                height: 38px;
            }

            body::before {
                width: 280px;
                height: 280px;
                right: -95px;
                bottom: -70px;
            }

            .navbar-collapse {
                background: rgba(10, 13, 17, 0.98);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 0.9rem;
                padding: 0.7rem;
                margin-top: 0.6rem;
            }

            .nav-shell {
                padding: 0.4rem 0.55rem;
            }

            .menu-cta {
                margin: 0.35rem 0 0;
            }
        }