/* ===== DESIGN TOKENS ===== */
:root {
  --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-hero: clamp(2.5rem, 0.5rem + 7vw, 6rem);

  --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;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-xl: 1rem; --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-default: 960px; --content-wide: 1200px;

  --font-display: 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Calibri', 'Segoe UI', system-ui, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #171614;
  --color-surface: #1c1b19;
  --color-surface-2: #201f1d;
  --color-surface-offset: #1d1c1a;
  --color-border: #393836;
  --color-divider: #262523;
  --color-text: #e8e6e1;
  --color-text-muted: #a6a49f;
  --color-text-faint: #76746f;
  --color-primary: #4f98a3;
  --color-primary-hover: #6ab0ba;
  --color-orange: #fdab43;
  --color-orange-hover: #ffc46e;
  --color-success: #6daa45;
  --color-warning: #e0b84b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.45);
}

[data-theme='light'] {
  --color-bg: #f7f6f2;
  --color-surface: #f9f8f5;
  --color-surface-2: #fbfbf9;
  --color-surface-offset: #f3f0ec;
  --color-border: #d4d1ca;
  --color-divider: #dcd9d5;
  --color-text: #28251d;
  --color-text-muted: #6a6963;
  --color-text-faint: #a5a39e;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-orange: #da7101;
  --color-orange-hover: #c55700;
  --color-success: #437a22;
  --color-warning: #b8860b;
  --shadow-sm: 0 1px 2px rgba(40,37,29,0.06);
  --shadow-md: 0 4px 12px rgba(40,37,29,0.08);
  --shadow-lg: 0 12px 32px rgba(40,37,29,0.12);
}

/* ===== BASE ===== */
*,*::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-color: var(--color-bg); }
img,picture,video,canvas,svg { display: block; max-width: 100%; height: auto; }
ul,ol { list-style: none; }
input,button,textarea,select { font: inherit; color: inherit; }
h1,h2,h3,h4 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p,li { text-wrap: pretty; max-width: 72ch; }
::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
a, button, [role='button'] { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow 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; border: 0; }

@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }

/* ===== UTILITY ===== */
.container { max-width: var(--content-wide); margin: 0 auto; padding: 0 var(--space-6); }
.eyebrow { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); }
.section { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.divider { height: 1px; background: var(--color-divider); border: 0; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-6); border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn--primary { background: var(--color-orange); color: #1a1208; }
.btn--primary:hover { background: var(--color-orange-hover); box-shadow: var(--shadow-md); }
.btn--secondary { background: var(--color-surface-2); color: var(--color-text); border-color: var(--color-border); }
.btn--secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--ghost { color: var(--color-text-muted); }
.btn--ghost:hover { color: var(--color-text); }

/* ===== HEADER ===== */
.header { position: sticky; top: 0; z-index: 50; background: color-mix(in oklab, var(--color-bg) 92%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); transition: box-shadow var(--transition-interactive); }
.header--scrolled { box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.logo { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-text); text-decoration: none; }
.logo svg { width: 28px; height: 28px; }
.nav { display: flex; align-items: center; gap: var(--space-6); }
.nav__links { display: none; align-items: center; gap: var(--space-6); }
.nav__links a { font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; }
.nav__links a:hover { color: var(--color-text); }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--radius-md); color: var(--color-text-muted); background: transparent; cursor: pointer; }
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }
@media (min-width: 768px) { .nav__links { display: flex; } }

/* ===== HERO ===== */
.hero { position: relative; overflow: hidden; padding-top: clamp(var(--space-16), 8vw, var(--space-24)); padding-bottom: clamp(var(--space-16), 8vw, var(--space-24)); }
.hero::before { content: ''; position: absolute; top: -20%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, color-mix(in oklab, var(--color-primary) 12%, transparent), transparent 70%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px; background: radial-gradient(circle, color-mix(in oklab, var(--color-orange) 8%, transparent), transparent 70%); pointer-events: none; }
.hero__inner { position: relative; max-width: var(--content-wide); margin: 0 auto; padding: 0 var(--space-6); }
.hero__badge { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-full); font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); }
.hero h1 { font-size: var(--text-hero); font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-6); max-width: 16ch; }
.hero h1 .accent { color: var(--color-primary); }
.hero p { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 52ch; margin-bottom: var(--space-8); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ===== HERO TWO-COLUMN ===== */
.hero__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-8); align-items: center; }
@media (min-width: 900px) { .hero__grid { grid-template-columns: 1.2fr 0.8fr; } }
.hero__card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-6); }
.hero__card h3 { font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-4); color: var(--color-text); }
.hero__card-list { display: flex; flex-direction: column; gap: 0; }
.hero__card-item { padding: var(--space-4) 0; border-bottom: 1px solid var(--color-divider); }
.hero__card-item:last-child { border-bottom: 0; }
.hero__card-item h4 { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-1); }
.hero__card-item p { font-size: var(--text-xs); color: var(--color-text-muted); margin: 0; }

/* ===== SECTION HEADERS ===== */
.section-header { max-width: var(--content-default); margin-bottom: var(--space-12); }
.section-header .eyebrow { margin-bottom: var(--space-3); display: block; }
.section-header h2 { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--space-3); }
.section-header p { font-size: var(--text-base); color: var(--color-text-muted); }

/* ===== FEATURE GRID ===== */
.features__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
@media (min-width: 640px) { .features__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features__grid { grid-template-columns: repeat(3, 1fr); } }
.feature-card { padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: border-color var(--transition-interactive); }
.feature-card:hover { border-color: var(--color-primary); }
.feature-card__icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: color-mix(in oklab, var(--color-primary) 12%, transparent); border-radius: var(--radius-md); margin-bottom: var(--space-4); color: var(--color-primary); }
.feature-card h3 { font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-2); }
.feature-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ===== PROCESS ===== */
.process__steps { display: flex; flex-direction: column; gap: var(--space-4); }
@media (min-width: 1024px) { .process__steps { flex-direction: row; align-items: stretch; } }
.process__step { flex: 1; padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.process__step-num { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); color: var(--color-bg); font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); margin-bottom: var(--space-4); }
.process__step h3 { font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-2); }
.process__step p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ===== CTA ===== */
.cta-box { max-width: var(--content-default); margin: 0 auto; padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-xl); position: relative; overflow: hidden; text-align: center; }
.cta-box::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 500px; height: 500px; background: radial-gradient(circle, color-mix(in oklab, var(--color-orange) 10%, transparent), transparent 60%); pointer-events: none; }
.cta-box h2 { position: relative; font-size: var(--text-2xl); font-weight: 700; margin-bottom: var(--space-4); }
.cta-box p { position: relative; font-size: var(--text-lg); color: var(--color-text-muted); margin-bottom: var(--space-8); }
.cta-box .btn { position: relative; }

/* ===== LEGAL PAGES ===== */
.legal { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.legal__inner { max-width: 800px; margin: 0 auto; padding: 0 var(--space-6); }
.legal h1 { font-size: var(--text-2xl); font-weight: 700; margin-bottom: var(--space-8); }
.legal h2 { font-size: var(--text-lg); font-weight: 600; margin-top: var(--space-8); margin-bottom: var(--space-4); color: var(--color-primary); }
.legal h3 { font-size: var(--text-base); font-weight: 600; margin-top: var(--space-6); margin-bottom: var(--space-3); }
.legal h4 { font-size: var(--text-sm); font-weight: 600; margin-top: var(--space-4); margin-bottom: var(--space-2); color: var(--color-primary); }
.legal p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.legal ul { list-style: none; margin-bottom: var(--space-4); }
.legal ul li { font-size: var(--text-sm); color: var(--color-text-muted); padding-left: var(--space-4); position: relative; margin-bottom: var(--space-2); }
.legal ul li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 5px; height: 5px; border-radius: 50%; background: var(--color-primary); }
.legal strong { color: var(--color-text); font-weight: 600; }
.legal__notice { padding: var(--space-4) var(--space-6); background: color-mix(in oklab, var(--color-warning) 10%, transparent); border: 1px solid color-mix(in oklab, var(--color-warning) 30%, transparent); border-radius: var(--radius-md); margin-bottom: var(--space-8); font-size: var(--text-sm); color: var(--color-text-muted); }
.legal__notice strong { color: var(--color-warning); }

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--color-border); padding: var(--space-12) 0; }
.footer__inner { display: flex; flex-direction: column; gap: var(--space-6); align-items: center; text-align: center; }
.footer__brand { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 700; color: var(--color-text); }
.footer__brand svg { width: 24px; height: 24px; }
.footer__links { display: flex; gap: var(--space-6); flex-wrap: wrap; justify-content: center; }
.footer__links a { color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); }
.footer__links a:hover { color: var(--color-text); }
.footer__meta { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 1; }
.reveal--visible { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; }
}