*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body, "Inter", sans-serif); color: var(--color-text, #111827); background: var(--color-bg, #ffffff); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p, ul, ol { margin-top: 0; }
h1, h2, h3, h4 { margin-top: 0; line-height: 1.1; font-family: var(--font-heading, "Inter", sans-serif); color: var(--color-heading, var(--color-text, #111827)); }
.container { width: min(calc(100% - 2rem), var(--container)); margin: 0 auto; }
.section { padding: var(--space-8) 0; }
.section-alt { background: var(--color-surface, #f8fafc); }
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-3); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary, #2563eb); }
.lead { font-size: 1.08rem; color: var(--color-muted, #4b5563); }
.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.section-head { max-width: 720px; margin-bottom: var(--space-6); }
.hero { padding: calc(var(--space-8) + 2rem) 0 var(--space-8); background: var(--hero-bg, linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.12))); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-6); align-items: center; }
.hero-copy h1 { font-size: clamp(2.5rem, 5vw, 4.7rem); margin-bottom: var(--space-4); }
.hero-actions, .stack-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.hero-media, .image-frame { overflow: hidden; border-radius: var(--radius-xl); box-shadow: var(--shadow-strong); }
.hero-media img, .image-frame img { width: 100%; height: 100%; object-fit: cover; }
.site-header { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(14px); background: rgba(255,255,255,0.9); border-bottom: var(--border-subtle); }
.nav-shell { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: var(--space-4); }
.brand-mark { font-family: var(--font-heading, "Inter", sans-serif); font-size: 1.2rem; font-weight: 800; letter-spacing: 0.02em; }
.site-nav { display: flex; align-items: center; gap: var(--space-4); }
.site-nav a { color: var(--color-muted, #4b5563); transition: color var(--transition); white-space: nowrap; }
.site-nav a:hover, .site-nav a.is-active { color: var(--color-primary, #2563eb); }
.nav-toggle { display: none; }
.status-banner { padding: var(--space-3) 0; font-weight: 600; }
.status-banner-success { background: rgba(16,185,129,0.16); color: #065f46; }
.status-banner-error { background: rgba(225,29,72,0.14); color: #9f1239; }
.site-footer { padding: var(--space-8) 0 var(--space-4); background: var(--footer-bg, #0f172a); color: var(--footer-text, #f8fafc); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: var(--space-6); }
.footer-list { list-style: none; padding: 0; }
.footer-list li + li { margin-top: var(--space-2); }
.footer-bottom { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,0.14); }
@media (max-width: 900px) { .hero-grid, .grid-2, .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; } .nav-toggle { display: inline-flex; align-items: center; justify-content: center; padding: 0.65rem 1rem; border-radius: var(--radius-sm); border: var(--border-subtle); background: transparent; } .site-nav { position: absolute; top: 78px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-4); background: rgba(255,255,255,0.98); border-bottom: var(--border-subtle); } .site-nav.is-open { display: flex; } .site-nav a, .nav-cta { padding: var(--space-3) 0; } }
body {
    background-image: var(--page-texture, none);
    background-size: cover;
}

.section,
.hero {
    position: relative;
    overflow: clip;
}

.section .container,
.hero .container,
.site-header .container,
.site-footer .container {
    position: relative;
    z-index: 1;
}

.section::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.08), transparent);
}

.section-head h1,
.section-head h2 {
    font-size: clamp(2rem, 4vw, 3.35rem);
    letter-spacing: -0.03em;
}

.section-head .lead,
.hero-copy .lead {
    max-width: 62ch;
}

.hero-copy,
.split-section > :first-child {
    position: relative;
    z-index: 1;
}

.site-header {
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.site-nav a {
    position: relative;
    padding: 0.25rem 0;
}

.site-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.2rem;
    width: 100%;
    height: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
    background: currentColor;
    opacity: 0.7;
}

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

.hero-media::after,
.image-frame::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 28%;
    background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.22));
    pointer-events: none;
}

.split-section {
    gap: clamp(1.75rem, 4vw, 4rem);
}

.split-section > :first-child {
    padding: clamp(0rem, 1vw, 0.5rem) 0;
}

@media (max-width: 900px) {
    .site-nav a::after {
        display: none;
    }

    .section::after {
        background: rgba(15, 23, 42, 0.06);
    }
}
@media (max-width: 900px) {
    html {
        font-size: 15px;
    }

    .container {
        width: min(calc(100% - 1.25rem), var(--container));
    }

    .section {
        padding: var(--space-7) 0;
    }

    .hero {
        padding: calc(var(--space-7) + 1rem) 0 var(--space-7);
    }

    .hero-copy h1 {
        font-size: clamp(2.15rem, 10vw, 3.25rem);
        line-height: 1.02;
    }

    .section-head {
        margin-bottom: var(--space-5);
    }

    .section-head h1,
    .section-head h2 {
        font-size: clamp(1.75rem, 8vw, 2.4rem);
    }

    .nav-shell {
        min-height: 70px;
        gap: var(--space-3);
    }

    .brand-mark {
        font-size: 1.05rem;
        max-width: calc(100% - 110px);
    }

    .site-nav {
        top: 70px;
        padding: var(--space-3) var(--space-4) var(--space-5);
        box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    }

    .site-nav a,
    .nav-cta {
        padding: 0.9rem 0;
    }

    .site-nav .btn {
        width: 100%;
        justify-content: center;
        margin-top: var(--space-2);
    }

    .hero-actions,
    .stack-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn,
    .stack-actions .btn {
        width: 100%;
    }

    .hero-media,
    .image-frame {
        border-radius: max(1rem, calc(var(--card-radius, 1rem) - 0.15rem));
    }

    .footer-grid {
        gap: var(--space-5);
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 1rem), var(--container));
    }

    .section,
    .hero,
    .site-footer {
        padding-left: 0;
        padding-right: 0;
    }

    .eyebrow {
        font-size: 0.74rem;
        letter-spacing: 0.07em;
    }

    .lead {
        font-size: 1rem;
    }

    .nav-toggle {
        padding: 0.58rem 0.85rem;
        font-size: 0.95rem;
    }

    .hero-grid,
    .split-section,
    .grid,
    .metrics,
    .form-grid,
    .footer-grid {
        gap: var(--space-4);
    }

    .site-nav {
        left: 0.5rem;
        right: 0.5rem;
        top: 64px;
        border: var(--border-subtle);
        border-radius: 0 0 var(--radius) var(--radius);
    }

    .site-header {
        backdrop-filter: blur(10px);
    }

    .hero-copy h1 {
        font-size: clamp(1.95rem, 10vw, 2.65rem);
    }

    .section-head h1,
    .section-head h2 {
        font-size: clamp(1.55rem, 8vw, 2rem);
    }
}