:root {
    --primary: #0f3d5c;
    --accent: #e8a33d;
    --bg: #f8fafc;
    --text: #1e293b;
    --muted: #64748b;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 10px;
    --shadow: 0 4px 24px rgba(15, 61, 92, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    font-size: 16px;
}

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

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

.main-nav { display: flex; gap: 28px; }
.main-nav a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.main-nav a:hover { color: var(--primary); }

/* Hero */
.hero {
    background: linear-gradient(135deg, #f0f7fb 0%, #fdf6ec 100%);
    padding: 80px 0 100px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    background: rgba(232, 163, 61, 0.15);
    color: #b8791f;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: 2.55rem;
    line-height: 1.2;
    color: var(--primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 32px;
    max-width: 520px;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.25s, transform 0.2s;
}
.btn-primary:hover { background: #0b2e46; transform: translateY(-2px); }

.hero-image img {
    border-radius: 16px;
    box-shadow: var(--shadow);
    width: 100%;
    height: 380px;
    object-fit: cover;
}

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--white); }

.section-title {
    font-size: 1.9rem;
    color: var(--primary);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-intro {
    color: var(--muted);
    max-width: 720px;
    margin-bottom: 44px;
    font-size: 1.05rem;
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: box-shadow 0.3s, transform 0.3s;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.card-icon {
    width: 48px;
    height: 48px;
    background: rgba(15, 61, 92, 0.07);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 20px;
}

.card h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--primary); }
.card p { color: var(--muted); font-size: 0.95rem; }

/* Split */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-text h2 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 18px;
}

.split-text p { color: var(--muted); margin-bottom: 24px; }

.checklist { list-style: none; }
.checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    color: var(--text);
    font-weight: 500;
}
.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
}

.split-image img {
    border-radius: 16px;
    box-shadow: var(--shadow);
    width: 100%;
    height: 360px;
    object-fit: cover;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.step {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    position: relative;
}

.step-number {
    font-size: 2rem;
    font-weight: 800;
    color: rgba(15, 61, 92, 0.12);
    display: block;
    margin-bottom: 8px;
}

.step h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--primary); }
.step p { font-size: 0.9rem; color: var(--muted); }

/* Use cases */
.use-case {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 28px;
    border-left: 4px solid var(--accent);
}
.use-case h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--primary); }
.use-case p { font-size: 0.92rem; color: var(--muted); }

/* FAQ */
.faq-container { max-width: 820px; margin: 0 auto; }

.faq-item {
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 18px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    position: relative;
    padding-right: 32px;
}
.faq-question::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    color: var(--accent);
    transition: transform 0.3s;
}
.faq-item.active .faq-question::after { content: "−"; }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-answer p {
    padding-bottom: 18px;
    color: var(--muted);
    font-size: 0.95rem;
}

/* Contact */
.contact-block {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.contact-block h2 { font-size: 1.8rem; color: var(--primary); margin-bottom: 12px; }
.contact-block p { color: var(--muted); margin-bottom: 10px; }
.contact-email a {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 56px 0 28px;
}

.footer-inner { display: grid; gap: 28px; }

.footer-brand .logo { color: var(--white); }
.footer-brand .logo span { color: var(--accent); }

.footer-disclaimer {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
    max-width: 680px;
    margin-top: 12px;
    line-height: 1.6;
}

.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

.copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.45);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 20px;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content, .split { grid-template-columns: 1fr; gap: 40px; }
    .grid-3 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 2rem; }
    .main-nav { display: none; }
}

@media (max-width: 560px) {
    .steps { grid-template-columns: 1fr; }
    .hero { padding: 56px 0 64px; }
    .section { padding: 56px 0; }
    .hero-image img, .split-image img { height: 260px; }
}