:root {
    --bg: #08111f;
    --panel: #0f1d34;
    --panel-2: #132643;
    --text: #f4f7fb;
    --muted: #adc1de;
    --line: rgba(255,255,255,.12);
    --brand: #0b65d8;
    --brand-2: #55a7ff;
    --white: #ffffff;
    --shadow: 0 18px 60px rgba(0, 0, 0, .28);
    --radius: 24px;
    --radius-sm: 16px;
    --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, Arial, Helvetica, sans-serif;
    background: linear-gradient(180deg, #06101d 0%, #091425 100%);
    color: var(--text);
    line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 2rem), var(--container)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(5, 12, 24, .88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    min-height: 82px;
}
.site-branding {
    display: flex;
    flex-direction: column;
    gap: .1rem;
}
.site-branding__eyebrow {
    color: var(--brand-2);
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .72rem;
    font-weight: 700;
}
.site-branding__title {
    font-size: 1.1rem;
    font-weight: 800;
}
.menu, .footer-menu {
    list-style: none;
    display: flex;
    gap: 1.25rem;
    padding: 0;
    margin: 0;
    align-items: center;
}
.menu a, .footer-menu a { color: var(--muted); font-weight: 600; }
.menu a:hover, .footer-menu a:hover, .header-cta:hover { color: var(--white); }
.header-cta {
    display: inline-flex;
    padding: .85rem 1.1rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: var(--white);
    font-weight: 800;
    white-space: nowrap;
    box-shadow: var(--shadow);
}

.hero {
    position: relative;
    isolation: isolate;
    background-image: var(--hero-image);
    background-size: cover;
    background-position: center;
    min-height: 88vh;
    display: grid;
    align-items: center;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(90deg, rgba(4, 11, 22, .92) 0%, rgba(4, 11, 22, .76) 50%, rgba(4, 11, 22, .58) 100%),
        linear-gradient(180deg, rgba(4, 11, 22, .12), rgba(4, 11, 22, .72));
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 2rem;
    padding: 5rem 0;
}
.hero-copy h1 {
    font-size: clamp(2.5rem, 5vw, 4.9rem);
    line-height: 1.02;
    margin: .6rem 0 1rem;
    max-width: 12ch;
}
.hero-copy p {
    max-width: 60ch;
    color: #d8e4f6;
    font-size: 1.06rem;
}
.section-tag, .mini-label, .footer-kicker {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .75rem;
    color: var(--brand-2);
    font-weight: 800;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.5rem 0 1rem; }
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .95rem 1.25rem;
    border-radius: 999px;
    font-weight: 800;
    transition: transform .2s ease, opacity .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: var(--white); }
.button-secondary { border: 1px solid rgba(255,255,255,.22); color: var(--white); background: rgba(255,255,255,.04); }
.hero-points {
    margin: 1.5rem 0 0;
    padding-left: 1rem;
    color: #d9e6f7;
}
.hero-panel { display: flex; align-items: end; justify-content: end; }
.glass-card {
    padding: 1.5rem;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(18, 35, 61, .88), rgba(12, 24, 44, .88));
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: var(--shadow);
    max-width: 420px;
}
.glass-card h2 { margin: .5rem 0 1rem; font-size: 1.8rem; line-height: 1.15; }
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: .9rem;
}
.metrics-grid div {
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
}
.metrics-grid strong { display: block; font-size: 1.25rem; }
.metrics-grid span { color: var(--muted); font-size: .95rem; }

.trust-bar {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255,255,255,.02);
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding: 1rem 0;
    text-align: center;
    color: #dbe7f7;
    font-weight: 700;
}

.section { padding: 5rem 0; }
.section-dark { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.03)); }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading.narrow { max-width: 660px; }
.section h2 { font-size: clamp(2rem, 3vw, 3rem); line-height: 1.08; margin: .5rem 0 1rem; }
.section p { color: var(--muted); }
.card-grid {
    display: grid;
    gap: 1.25rem;
}
.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card, .feature-card, .footer-card, .bullet-panel {
    background: linear-gradient(180deg, rgba(18, 31, 54, .98), rgba(12, 23, 40, .98));
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-sm);
    padding: 1.4rem;
    box-shadow: var(--shadow);
}
.service-card h3, .feature-card h3 { margin-top: 0; font-size: 1.2rem; }

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}
.bullet-panel ul {
    margin: 0;
    padding-left: 1.1rem;
    color: #dce8f7;
}
.bullet-panel li + li { margin-top: .55rem; }

.cta-band-inner, .footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 1.5rem;
    align-items: center;
}
.cta-band {
    background: linear-gradient(135deg, rgba(10, 28, 49, .96), rgba(7, 20, 37, .98));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.site-footer {
    padding: 4rem 0 2rem;
    background: #050c16;
}
.footer-card a { color: var(--white); }
.footer-bottom {
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--muted);
}
.narrow-content { max-width: 860px; }

@media (max-width: 1100px) {
    .four-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-grid, .split-layout, .cta-band-inner, .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .header-inner { flex-wrap: wrap; padding: .75rem 0; }
    .main-nav { width: 100%; order: 3; }
    .menu { flex-wrap: wrap; gap: .85rem; }
    .trust-grid, .three-up, .four-up { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .hero-grid { padding: 4rem 0; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}
.booking-hero-card {
    background: rgba(8, 27, 52, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
    color: #ffffff;
}

.booking-hero-card .mini-label {
    margin: 0 0 10px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #7cc6ff;
}

.booking-hero-card h2 {
    margin: 0 0 10px;
    font-size: clamp(1.35rem, 2vw, 2rem);
    line-height: 1.2;
    color: #ffffff;
}

.booking-hero-intro {
    margin: 0 0 18px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.98rem;
    line-height: 1.6;
}

.booking-frame-wrap {
    width: 100%;
    min-height: 1150px;
    border-radius: 18px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: inset 0 0 0 1px rgba(0, 114, 206, 0.08);
}

.booking-frame-wrap iframe {
    display: block;
    width: 100%;
    height: 1150px;
    min-height: 1150px;
    border: 0;
    background: #ffffff;
}

.alta-standard-section {
    margin-top: -40px;
    position: relative;
    z-index: 4;
}

.alta-standard-card {
    padding: 40px;
}

.alta-standard-card .section-heading {
    margin-bottom: 28px;
}

@media (max-width: 1100px) {
    .booking-frame-wrap {
        min-height: 1000px;
    }

    .booking-frame-wrap iframe {
        min-height: 1000px;
        height: 1000px;
    }
}

@media (max-width: 768px) {
    .booking-hero-card {
        padding: 16px;
        border-radius: 18px;
    }

    .booking-frame-wrap {
        min-height: 1250px;
    }

    .booking-frame-wrap iframe {
        min-height: 1250px;
        height: 1250px;
    }

    .alta-standard-section {
        margin-top: 0;
    }

    .alta-standard-card {
        padding: 24px;
    }
}

.hero-with-form {
    padding: 110px 0 90px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 460px);
    gap: 36px;
    align-items: start;
}

.quote-panel {
    background: rgba(8, 24, 44, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 26px;
    padding: 22px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.quote-panel-header {
    margin-bottom: 16px;
}

.quote-panel-header .mini-label {
    display: inline-block;
    margin-bottom: 8px;
    color: #7cc6ff;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.quote-panel-header h2 {
    margin: 0 0 8px;
    color: #ffffff;
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    line-height: 1.2;
}

.quote-panel-header p {
    margin: 0;
    color: rgba(255, 255, 255, 0.84);
    line-height: 1.6;
}

.quote-form-shell {
    background: #ffffff;
    border-radius: 18px;
    overflow: hidden;
    min-height: 1325px;
    box-shadow: inset 0 0 0 1px rgba(0, 114, 206, 0.08);
}

.quote-form-shell iframe {
    display: block;
    width: 100%;
    height: 1325px;
    min-height: 1325px;
    border: 0;
    background: #ffffff;
}

.alta-standard-band {
    position: relative;
    margin-top: -34px;
    z-index: 5;
    padding-bottom: 24px;
}

.alta-standard-wrap {
    background: linear-gradient(135deg, #0c2340 0%, #12365f 100%);
    color: #ffffff;
    border-radius: 28px;
    padding: 38px;
    box-shadow: 0 20px 60px rgba(7, 30, 61, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.alta-standard-copy {
    max-width: 760px;
    margin-bottom: 24px;
}

.alta-standard-copy h2 {
    margin: 10px 0 12px;
    color: #ffffff;
}

.alta-standard-copy p {
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
}

.alta-standard-wrap .metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.alta-standard-wrap .metrics-grid > div {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 18px;
}

.alta-standard-wrap .metrics-grid strong {
    display: block;
    font-size: 1.2rem;
    color: #ffffff;
}

.alta-standard-wrap .metrics-grid span {
    display: block;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 1100px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .quote-form-shell {
        min-height: 1450px;
    }

    .quote-form-shell iframe {
        height: 1450px;
        min-height: 1450px;
    }

    .alta-standard-wrap .metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .hero-with-form {
        padding: 90px 0 70px;
    }

    .quote-panel {
        padding: 16px;
        border-radius: 20px;
    }

    .quote-form-shell {
        min-height: 1550px;
    }

    .quote-form-shell iframe {
        height: 1550px;
        min-height: 1550px;
    }

    .alta-standard-band {
        margin-top: 0;
    }

    .alta-standard-wrap {
        padding: 24px;
        border-radius: 22px;
    }

    .alta-standard-wrap .metrics-grid {
        grid-template-columns: 1fr;
    }
}