:root, [data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  /* Surfaces — cool light neutrals */
  --color-bg: #f4f5f8;
  --color-surface: #fafbfc;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eceef3;
  --color-divider: #e3e5ec;
  --color-border: #d8dbe4;

  /* Text — deep navy ink (from logo) */
  --color-text: #141b32;
  --color-text-muted: #5a6079;
  --color-text-faint: #a6abbd;
  --color-text-inverse: #f7f8fb;

  /* Primary — deep navy (from logo) */
  --color-primary: #1a2244;
  --color-primary-hover: #232d59;
  --color-primary-active: #0f1530;
  --color-primary-soft: #e0e3ef;

  /* Accent — brand red (from logo infinity mark) */
  --color-accent: #c0392b;
  --color-accent-hover: #a52f23;
  --color-accent-soft: #f6e0dd;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.875rem; --radius-xl: 1.25rem; --radius-full: 9999px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px rgba(20,32,31,0.06);
  --shadow-md: 0 6px 20px rgba(20,32,31,0.08);
  --shadow-lg: 0 18px 48px rgba(20,32,31,0.12);
  --content-narrow: 680px; --content-default: 1040px; --content-wide: 1200px;

  --font-display: 'Cabinet Grotesk', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
}

[data-theme="dark"] {
  --color-bg: #0d1020;
  --color-surface: #121730;
  --color-surface-2: #181e3c;
  --color-surface-offset: #141934;
  --color-divider: #1e2545;
  --color-border: #2a3257;
  --color-text: #e6e8f2;
  --color-text-muted: #99a0bd;
  --color-text-faint: #5d6486;
  --color-text-inverse: #0d1020;
  --color-primary: #7b86c4;
  --color-primary-hover: #9aa3d6;
  --color-primary-active: #b3bae3;
  --color-primary-soft: #20274a;
  --color-accent: #e35a4c;
  --color-accent-hover: #ec6f62;
  --color-accent-soft: #2e2422;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 18px 48px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d1020; --color-surface: #121730; --color-surface-2: #181e3c;
    --color-surface-offset: #141934; --color-border: #2a3257;
    --color-text: #e6e8f2; --color-text-muted: #99a0bd; --color-text-faint: #5d6486;
    --color-text-inverse: #0d1020; --color-primary: #7b86c4; --color-primary-hover: #9aa3d6;
    --color-primary-soft: #20274a; --color-accent: #e35a4c;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; scroll-behavior: smooth; scroll-padding-top: 5rem;
}
body {
  min-height: 100dvh; line-height: 1.6; font-family: var(--font-body);
  font-size: var(--text-base); color: var(--color-text); background: var(--color-bg);
  transition: background 300ms ease, color 300ms ease;
}
img, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--color-primary-soft); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
a, button, input, textarea {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

.wrap { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); font-weight: 600;
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-full); }
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { border: 1px solid var(--color-border); color: var(--color-text); }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Header */
.header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--color-bg) 82%, transparent); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
.header.scrolled { border-color: var(--color-border); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 4.5rem; }
.brand { display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-text); }
.brand-badge { width: 2.5rem; height: 2.5rem; border-radius: var(--radius-md); overflow: hidden; flex: none; box-shadow: var(--shadow-sm); }
.brand-badge img { width: 100%; height: 100%; object-fit: cover; }
.brand-name { line-height: 1.05; }
.brand-name b { display: block; font-size: var(--text-base); letter-spacing: 0.04em; }
.brand-name span { display: block; font-family: var(--font-body); font-weight: 500; font-size: var(--text-xs); letter-spacing: 0.18em; color: var(--color-text-muted); text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: var(--space-8); }
.nav-links a { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 500; }
.nav-links a:hover { color: var(--color-primary); }
.nav-actions { display: flex; align-items: center; gap: var(--space-4); }
.theme-toggle { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border-radius: var(--radius-full); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }
.menu-btn { display: none; }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-16); align-items: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); background: var(--color-accent-soft);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); margin-bottom: var(--space-6); }
.eyebrow .pip { width: 0.5rem; height: 0.5rem; border-radius: var(--radius-full); background: var(--color-accent); }
.hero h1 { font-size: var(--text-2xl); margin-bottom: var(--space-5); }
.hero h1 .em { color: var(--color-accent); }
.hero p.lead { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 48ch; margin-bottom: var(--space-8); }
.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-10); }
.hero-stats { display: flex; gap: var(--space-10); flex-wrap: wrap; }
.stat .num { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text); }
.stat .lab { font-size: var(--text-xs); color: var(--color-text-muted); }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.hero-card { position: absolute; bottom: -1.25rem; left: -1.25rem; background: var(--color-surface-2);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: var(--space-3); }
.hero-card .dot { width: 2.25rem; height: 2.25rem; border-radius: var(--radius-full); background: var(--color-primary-soft);
  color: var(--color-primary); display: grid; place-items: center; }
.hero-card .t { font-size: var(--text-sm); font-weight: 600; } .hero-card .s { font-size: var(--text-xs); color: var(--color-text-muted); }

/* Section heads */
.sec-head { max-width: 620px; margin-bottom: var(--space-12); }
.sec-head .eyebrow { margin-bottom: var(--space-4); }
.sec-head h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.sec-head p { color: var(--color-text-muted); }

/* Services */
.services { background: var(--color-surface); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.card { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-8); transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.card .ico { width: 3rem; height: 3rem; border-radius: var(--radius-md); background: var(--color-primary-soft);
  color: var(--color-primary); display: grid; place-items: center; margin-bottom: var(--space-5); }
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.card p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Why / features */
.why-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: var(--space-16); align-items: center; }
.why-visual img { width: 100%; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.feat { display: flex; gap: var(--space-4); margin-bottom: var(--space-6); }
.feat .chk { flex: none; width: 2.25rem; height: 2.25rem; border-radius: var(--radius-full); background: var(--color-accent);
  color: #fff; display: grid; place-items: center; }
.feat h4 { font-family: var(--font-body); font-weight: 600; font-size: var(--text-base); margin-bottom: var(--space-1); }
.feat p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* CTA band */
.cta-band { background: linear-gradient(135deg, #141b32, #232d59); border-radius: var(--radius-xl); padding: clamp(var(--space-10), 6vw, var(--space-20));
  text-align: center; color: #fff; }
.cta-band h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); color: #fff; }
.cta-band p { color: rgba(255,255,255,0.82); max-width: 52ch; margin: 0 auto var(--space-8); }
.cta-band .btn-light { background: var(--color-accent); color: #fff; }
.cta-band .btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Footer */
.footer { background: var(--color-surface); border-top: 1px solid var(--color-border); padding-block: var(--space-16) var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-12); margin-bottom: var(--space-12); }
.footer p.desc { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 34ch; margin-top: var(--space-4); }
.footer h5 { font-family: var(--font-body); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer ul { list-style: none; display: grid; gap: var(--space-3); }
.footer ul a, .footer ul li { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer ul a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid var(--color-border); padding-top: var(--space-6); font-size: var(--text-xs); color: var(--color-text-faint); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero-grid, .why-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .why-visual { order: -1; }
  .cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .nav-links { display: none; }
}