/* ===== Rain Green — Design System ===== */
:root {
    --bg-deep: #080c16;
    --bg-surface: #0f1629;
    --bg-card: #131d35;
    --bg-elevated: #182542;
    --text-primary: #e8edf5;
    --text-secondary: #9aa4bf;
    --text-muted: #5e6880;
    --accent-teal: #00d4aa;
    --accent-teal-dim: #00b894;
    --accent-blue: #4d9eff;
    --accent-gold: #f0b850;
    --accent-coral: #ff6b6b;
    --border-subtle: #1a2744;
    --border-medium: #253258;
    --border-accent: #00d4aa44;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --transition: 180ms ease;
    --content-max: 1200px;
    --header-h: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--accent-teal); text-decoration: none; transition: color var(--transition); }
a:hover, a:focus-visible { color: var(--accent-blue); }
a:focus-visible { outline: 2px solid var(--accent-teal); outline-offset: 3px; border-radius: 2px; }

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

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; top: -100px; left: 16px; z-index: 1000;
    background: var(--accent-teal); color: var(--bg-deep); padding: 12px 20px;
    border-radius: var(--radius-md); font-weight: 700; font-size: 15px;
}
.skip-link:focus { top: 16px; }

/* ===== TYPOGRAPHY ===== */
.section-label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-teal);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 24px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: var(--radius-md);
    font-size: 16px; font-weight: 600;
    cursor: pointer; transition: all var(--transition);
    border: 2px solid transparent;
    font-family: var(--font-sans);
}
.btn-primary {
    background: var(--accent-teal); color: var(--bg-deep); border-color: var(--accent-teal);
}
.btn-primary:hover { background: var(--accent-teal-dim); color: var(--bg-deep); }
.btn-ghost {
    background: transparent; color: var(--text-primary); border-color: var(--border-medium);
}
.btn-ghost:hover { border-color: var(--accent-teal); color: var(--accent-teal); }

/* ===== HEADER ===== */
.site-header {
    position: sticky; top: 0; z-index: 999;
    background: #080c16ee; backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    height: var(--header-h);
}
.header-inner {
    max-width: var(--content-max); margin: 0 auto; padding: 0 24px;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.brand-block {
    display: flex; align-items: center; gap: 12px;
}
.brand-mark {
    width: 38px; height: 38px; border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.brand-name {
    font-size: 22px; font-weight: 800; color: var(--text-primary);
    letter-spacing: -0.03em;
}
.brand-name:hover { color: var(--accent-teal); }

.primary-nav { display: flex; align-items: center; }
.nav-menu {
    display: flex; list-style: none; gap: 4px;
}
.nav-menu a {
    display: block; padding: 10px 18px; border-radius: var(--radius-md);
    color: var(--text-secondary); font-size: 15px; font-weight: 500;
    transition: all var(--transition);
}
.nav-menu a:hover, .nav-menu a:focus-visible {
    color: var(--text-primary); background: var(--bg-surface);
}
.nav-legal-link {
    border: 1px solid var(--border-subtle);
}
.nav-legal-link:hover { border-color: var(--accent-teal) !important; }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle-bar {
    width: 24px; height: 2px; background: var(--text-primary);
    border-radius: 2px; transition: all var(--transition);
}

/* ===== HERO ===== */
.hero-section {
    position: relative; overflow: hidden;
    padding: 80px 24px 100px;
    background: var(--bg-deep);
}
.hero-bg-geometry {
    position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.geo-shape {
    position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.18;
}
.geo-1 { width: 500px; height: 500px; background: var(--accent-teal); top: -100px; right: -100px; }
.geo-2 { width: 400px; height: 400px; background: var(--accent-blue); bottom: -80px; left: -60px; }
.geo-3 { width: 300px; height: 300px; background: var(--accent-gold); top: 40%; left: 30%; opacity: 0.08; }
.geo-4 { width: 200px; height: 200px; background: var(--accent-coral); bottom: 20%; right: 20%; opacity: 0.1; }

.hero-content {
    position: relative; max-width: var(--content-max); margin: 0 auto;
}
.hero-kicker {
    font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.15em;
    color: var(--accent-teal); text-transform: uppercase; margin-bottom: 20px;
}
.hero-title {
    font-size: clamp(40px, 7vw, 76px); font-weight: 900; line-height: 1.05;
    letter-spacing: -0.03em; margin-bottom: 28px;
}
.hero-accent {
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-lead {
    font-size: 18px; color: var(--text-secondary); max-width: 640px;
    line-height: 1.7; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
.hero-numbers {
    position: relative; max-width: var(--content-max); margin: 0 auto;
    display: flex; gap: 60px; flex-wrap: wrap;
    border-top: 1px solid var(--border-subtle); padding-top: 40px;
}
.hero-num { display: flex; flex-direction: column; gap: 4px; }
.hero-num-val {
    font-size: 36px; font-weight: 800; letter-spacing: -0.02em;
    color: var(--accent-teal);
}
.hero-num-label { font-size: 14px; color: var(--text-muted); font-family: var(--font-mono); }

/* ===== PILLARS (Services) ===== */
.pillars-section {
    padding: 100px 24px; background: var(--bg-surface);
    position: relative;
}
.pillars-section > .section-label,
.pillars-section > .section-title {
    max-width: var(--content-max); margin-left: auto; margin-right: auto;
}
.pillars-grid {
    max-width: var(--content-max); margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.pillar-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl); padding: 36px 28px;
    transition: all 280ms ease;
    position: relative; overflow: hidden;
}
.pillar-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--accent-teal), var(--accent-blue));
    transform: scaleX(0); transform-origin: left;
    transition: transform 280ms ease;
}
.pillar-card:hover, .pillar-card:focus-within {
    border-color: var(--border-accent); background: var(--bg-elevated);
    transform: translateY(-4px);
}
.pillar-card:hover::before, .pillar-card:focus-within::before { transform: scaleX(1); }
.pillar-icon-block { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.pillar-icon { width: 48px; height: 48px; color: var(--accent-teal); }
.pillar-step {
    font-family: var(--font-mono); font-size: 13px; color: var(--text-muted);
}
.pillar-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
.pillar-desc { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 20px; }
.pillar-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.pillar-list li {
    font-size: 14px; color: var(--text-muted); padding-left: 16px;
    position: relative;
}
.pillar-list li::before {
    content: ''; position: absolute; left: 0; top: 8px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent-teal-dim);
}

/* ===== DIVERGENCE (Expertise) ===== */
.divergence-section {
    padding: 100px 24px; background: var(--bg-deep);
}
.divergence-split {
    max-width: var(--content-max); margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
    align-items: start;
}
.dvg-text { color: var(--text-secondary); font-size: 17px; line-height: 1.8; }

.expertise-cluster { display: flex; flex-direction: column; gap: 1px; }
.expertise-node {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 18px 20px; background: var(--bg-card); border-left: 3px solid transparent;
    transition: all var(--transition);
}
.expertise-node:nth-child(1) { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.expertise-node:last-child { border-radius: 0 0 var(--radius-md) var(--radius-md); }
.expertise-node:hover { border-left-color: var(--accent-teal); background: var(--bg-elevated); }
.expertise-tag { font-weight: 600; font-size: 15px; color: var(--text-primary); white-space: nowrap; }
.expertise-detail { font-size: 14px; color: var(--text-muted); text-align: right; font-family: var(--font-mono); }

/* ===== METHOD ===== */
.method-section {
    position: relative; padding: 100px 24px;
    background: var(--bg-surface);
}
.method-banner {
    position: absolute; left: 60px; top: 0; bottom: 0; width: 2px;
    display: flex; flex-direction: column; align-items: center;
    opacity: 0.4;
}
.method-line { flex: 1; width: 2px; background: var(--border-medium); }
.method-dot {
    width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0;
    background: var(--accent-teal); margin: 0 auto;
}
.method-content { max-width: var(--content-max); margin: 0 auto; }
.method-flow {
    display: flex; flex-direction: column; gap: 32px;
    padding-left: 40px;
}
.method-phase {
    display: flex; gap: 24px; align-items: flex-start;
}
.phase-marker {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--accent-teal); color: var(--bg-deep);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800; flex-shrink: 0;
    font-family: var(--font-mono);
}
.phase-body {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg); padding: 24px 28px; flex: 1;
    transition: border-color var(--transition);
}
.phase-body:hover { border-color: var(--accent-teal); }
.phase-title { font-size: 18px; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.phase-body p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; }

/* ===== TESTIMONIALS ===== */
.testimonial-section {
    padding: 100px 24px; background: var(--bg-deep);
}
.testimonial-inner { max-width: var(--content-max); margin: 0 auto; }
.testimonial-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl); padding: 32px 28px;
    position: relative;
}
.testimonial-card::after {
    content: '\201C'; position: absolute; top: 12px; right: 24px;
    font-size: 72px; color: var(--accent-teal); opacity: 0.15;
    font-family: Georgia, serif; line-height: 1;
}
.testimonial-rating { font-size: 16px; letter-spacing: 3px; margin-bottom: 16px; color: var(--accent-gold); }
.testimonial-quote {
    color: var(--text-secondary); font-size: 15px; line-height: 1.75;
    font-style: italic; margin-bottom: 20px;
}
.testimonial-cite {
    font-style: normal; color: var(--accent-teal); font-size: 14px;
    font-family: var(--font-mono);
}

/* ===== CTA / Contact ===== */
.cta-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, var(--bg-surface), #0a1220);
}
.cta-inner {
    max-width: var(--content-max); margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: center;
}
.cta-copy { color: var(--text-secondary); font-size: 17px; line-height: 1.8; }
.contact-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl); padding: 36px 32px;
    display: flex; flex-direction: column; gap: 24px;
}
.contact-row {
    display: flex; flex-direction: column; gap: 4px;
}
.contact-label {
    font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em;
    color: var(--text-muted); text-transform: uppercase;
}
.contact-value {
    font-size: 17px; color: var(--text-primary); font-weight: 500;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--bg-deep); border-top: 1px solid var(--border-subtle);
    padding: 60px 24px 32px;
}
.footer-inner { max-width: var(--content-max); margin: 0 auto; }
.footer-brand { margin-bottom: 40px; }
.footer-mark {
    width: 32px; height: 32px; margin-bottom: 12px;
}
.footer-brand-name { font-size: 20px; font-weight: 800; color: var(--text-primary); display: block; margin-bottom: 4px; }
.footer-tagline { font-size: 14px; color: var(--text-muted); }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 40px; }
.footer-col-title { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 16px; font-family: var(--font-mono); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 15px; color: var(--text-secondary); }
.footer-col a:hover { color: var(--accent-teal); }
.footer-bottom { border-top: 1px solid var(--border-subtle); padding-top: 24px; }
.footer-copy, .footer-address { font-size: 13px; color: var(--text-muted); }
.footer-address { margin-top: 4px; }

/* ===== LEGAL PAGES ===== */
.legal-page {
    padding: 80px 24px 100px;
    background: var(--bg-surface);
    min-height: 80vh;
}
.legal-container {
    max-width: 820px; margin: 0 auto;
}
.legal-header {
    margin-bottom: 48px; padding-bottom: 32px;
    border-bottom: 2px solid var(--border-medium);
}
.legal-page-title {
    font-size: clamp(32px, 5vw, 48px); font-weight: 900;
    letter-spacing: -0.02em; margin-bottom: 12px;
}
.legal-meta {
    font-family: var(--font-mono); font-size: 14px; color: var(--text-muted);
}
.legal-body { display: flex; flex-direction: column; gap: 40px; }
.legal-section { }
.legal-section h2 {
    font-size: 22px; font-weight: 700; color: var(--accent-teal);
    margin-bottom: 16px; padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
}
.legal-section h3 {
    font-size: 18px; font-weight: 600; color: var(--text-primary);
    margin-bottom: 10px; margin-top: 20px;
}
.legal-section p, .legal-section li {
    font-size: 16px; color: var(--text-secondary);
    line-height: 1.75; margin-bottom: 12px;
}
.legal-section ul, .legal-section ol {
    padding-left: 24px; margin-bottom: 12px;
}
.legal-section li { margin-bottom: 6px; }
.legal-toc {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg); padding: 28px 32px;
    margin-bottom: 40px;
}
.legal-toc h2 {
    font-size: 16px; font-weight: 700; color: var(--text-primary);
    margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.08em;
    font-family: var(--font-mono);
}
.legal-toc ol { padding-left: 20px; }
.legal-toc li { margin-bottom: 8px; }
.legal-toc a { font-size: 15px; color: var(--text-secondary); }
.legal-toc a:hover { color: var(--accent-teal); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .pillars-grid { grid-template-columns: 1fr; }
    .divergence-split { grid-template-columns: 1fr; gap: 40px; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .cta-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-numbers { gap: 32px; }
    .hero-num-val { font-size: 28px; }
    .section-title { font-size: 28px; }
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none; flex-direction: column;
        position: absolute; top: var(--header-h); left: 0; right: 0;
        background: var(--bg-deep); border-bottom: 1px solid var(--border-subtle);
        padding: 16px 24px; gap: 4px;
    }
    .nav-menu.open { display: flex; }
    .method-banner { display: none; }
    .method-flow { padding-left: 0; }
    .expertise-node { flex-direction: column; align-items: flex-start; gap: 4px; }
    .expertise-detail { text-align: left; }
    .footer-links { grid-template-columns: 1fr; gap: 24px; }
    .legal-toc { padding: 20px; }
}

/* ===== PRINT ===== */
@media print {
    .site-header, .site-footer, .nav-toggle, .skip-link, .cta-section { display: none; }
    body { background: #fff; color: #000; }
    .legal-page { padding: 0; background: #fff; }
    .legal-section p, .legal-section li { color: #333; }
}