/* ============ DESIGN TOKENS ============ */
:root, [data-theme="light"] {
  --color-bg: #f6f7f5;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfb;
  --color-surface-offset: #eef1ef;
  --color-border: #dfe4e1;
  --color-divider: #e8ebe9;

  --color-text: #1c2522;
  --color-text-muted: #5e6b66;
  --color-text-faint: #9aa6a1;
  --color-text-inverse: #f4faf9;

  /* FahrDoc Teal */
  --color-primary: #11827f;
  --color-primary-hover: #0d6c6a;
  --color-primary-active: #0a5453;
  --color-primary-soft: #e3f0ef;
  --color-primary-tint: #d2e8e6;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 3.25rem);

  --space-1:.25rem; --space-2:.5rem; --space-3:.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:.5rem; --radius-md:.75rem; --radius-lg:1rem; --radius-xl:1.5rem; --radius-full:9999px;
  --transition: 200ms cubic-bezier(0.16,1,0.3,1);

  --shadow-sm: 0 1px 2px rgba(20,40,35,.06);
  --shadow-md: 0 6px 20px rgba(20,40,35,.09);
  --shadow-lg: 0 24px 60px rgba(20,40,35,.16);

  --content: 1140px;

  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'General Sans', 'Inter', sans-serif;
}

[data-theme="dark"] {
  --color-bg: #101413;
  --color-surface: #171d1c;
  --color-surface-2: #1b2221;
  --color-surface-offset: #1f2726;
  --color-border: #2a3331;
  --color-divider: #232b29;
  --color-text: #e4eae8;
  --color-text-muted: #98a5a0;
  --color-text-faint: #66726d;
  --color-text-inverse: #0c1110;
  --color-primary: #3cb0ac;
  --color-primary-hover: #54c2be;
  --color-primary-active: #2c918d;
  --color-primary-soft: #16302e;
  --color-primary-tint: #1d3a38;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 6px 20px rgba(0,0,0,.4);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.55);
}

/* ============ BASE ============ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { -webkit-font-smoothing:antialiased; 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 var(--transition), color var(--transition);
}
img,svg { display:block; max-width:100%; height:auto; }
ul[role="list"] { list-style:none; }
a { color:inherit; text-decoration:none; }
button { cursor:pointer; background:none; border:none; color:inherit; font:inherit; }
h1,h2,h3 { font-family:var(--font-display); text-wrap:balance; line-height:1.1; letter-spacing:-0.015em; }
p { text-wrap:pretty; }
:focus-visible { outline:2px solid var(--color-primary); outline-offset:3px; border-radius:var(--radius-sm); }
::selection { background:var(--color-primary-tint); }
@media (prefers-reduced-motion:reduce){ *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;} }

.container { width:100%; max-width:var(--content); margin-inline:auto; padding-inline:var(--space-6); }

/* ============ BUTTONS ============ */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:var(--space-2);
  font-family:var(--font-body); font-weight:600; font-size:var(--text-sm);
  padding:.75rem 1.4rem; border-radius:var(--radius-full);
  transition:all var(--transition); border:1.5px solid transparent; white-space:nowrap;
}
.btn-sm { padding:.55rem 1.1rem; }
.btn-lg { padding:.95rem 2rem; font-size:var(--text-base); }
.btn-block { width:100%; }
.btn-primary { background:var(--color-primary); color:#fff; box-shadow:var(--shadow-sm); }
.btn-primary:hover { background:var(--color-primary-hover); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-ghost { background:transparent; color:var(--color-text); border-color:var(--color-border); }
.btn-ghost:hover { border-color:var(--color-primary); color:var(--color-primary); }

/* ============ HEADER ============ */
.site-header {
  position:sticky; top:0; z-index:50;
  background:color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter:blur(14px); border-bottom:1px solid transparent;
  transition:border-color var(--transition), background var(--transition);
}
.site-header.scrolled { border-bottom-color:var(--color-divider); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:68px; gap:var(--space-6); }
.brand { display:flex; align-items:center; gap:.55rem; color:var(--color-primary); font-weight:700; }
.brand-name { font-family:var(--font-display); font-size:1.3rem; color:var(--color-text); letter-spacing:-0.02em; }
.nav { display:flex; gap:var(--space-6); }
.nav a { font-size:var(--text-sm); font-weight:500; color:var(--color-text-muted); transition:color var(--transition); }
.nav a:hover { color:var(--color-primary); }
.header-actions { display:flex; align-items:center; gap:var(--space-3); }
.icon-btn { display:grid; place-items:center; width:38px; height:38px; border-radius:var(--radius-full); color:var(--color-text-muted); transition:all var(--transition); }
.icon-btn:hover { background:var(--color-surface-offset); color:var(--color-primary); }

/* ============ HERO ============ */
.hero { position:relative; overflow:hidden; padding-block:clamp(var(--space-12),9vw,var(--space-24)); }
.hero::before {
  content:""; position:absolute; inset:0; z-index:-2;
  background:url('assets/hero_bg.png') center/cover no-repeat;
  opacity:.5;
}
.hero::after {
  content:""; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(to bottom, color-mix(in oklab,var(--color-bg) 55%,transparent), var(--color-bg) 78%);
}
[data-theme="dark"] .hero::before { opacity:.16; }
.hero-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(var(--space-8),5vw,var(--space-20)); align-items:center; }
.eyebrow {
  display:inline-block; font-size:var(--text-xs); font-weight:600; letter-spacing:.04em; text-transform:uppercase;
  color:var(--color-primary); background:var(--color-primary-soft); padding:.4rem .85rem; border-radius:var(--radius-full); margin-bottom:var(--space-5);
}
.hero h1 { font-size:var(--text-2xl); font-weight:800; margin-bottom:var(--space-5); }
.hero h1 .accent { color:var(--color-primary); }
.lead { font-size:var(--text-lg); color:var(--color-text-muted); max-width:34ch; margin-bottom:var(--space-8); line-height:1.5; }
.hero-cta { display:flex; flex-wrap:wrap; gap:var(--space-3); margin-bottom:var(--space-5); }
.hero-note { font-size:var(--text-xs); color:var(--color-text-faint); }

/* PHONE MOCKUP */
.hero-visual { position:relative; display:flex; justify-content:center; align-items:center; min-height:520px; }
.phone {
  position:relative; width:270px; aspect-ratio:9/19.5; background:#0c0f0e;
  border-radius:38px; padding:9px; box-shadow:var(--shadow-lg); flex-shrink:0;
}
.phone img { width:100%; height:100%; object-fit:cover; border-radius:30px; }
.phone-notch { position:absolute; top:9px; left:50%; transform:translateX(-50%); width:90px; height:22px; background:#0c0f0e; border-radius:0 0 14px 14px; z-index:2; }
.hero-visual .phone { z-index:2; transform:rotate(-3deg); }
.phone-back { position:absolute; right:8%; top:6%; width:230px; transform:rotate(6deg); opacity:.85; z-index:1; box-shadow:var(--shadow-md); }
.phone-back img { border-radius:30px; }

/* ============ STRIP ============ */
.strip { border-block:1px solid var(--color-divider); background:var(--color-surface-2); }
.strip-inner { display:flex; flex-wrap:wrap; justify-content:space-between; gap:var(--space-6); padding-block:var(--space-6); }
.strip-item { display:flex; flex-direction:column; gap:.15rem; }
.strip-item strong { font-family:var(--font-display); font-size:var(--text-lg); color:var(--color-primary); }
.strip-item span { font-size:var(--text-sm); color:var(--color-text-muted); }

/* ============ MAJOR FEATURES ============ */
.feature-major { padding-block:clamp(var(--space-16),8vw,var(--space-32)); }
.feature-major.alt { background:var(--color-surface-2); border-block:1px solid var(--color-divider); }
.feature-grid { display:grid; grid-template-columns:1fr 1fr; gap:clamp(var(--space-8),6vw,var(--space-20)); align-items:center; }
.feature-grid.reverse .feature-text { order:2; }
.kicker { display:inline-block; font-size:var(--text-xs); font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--color-primary); margin-bottom:var(--space-3); }
.feature-text h2 { font-size:var(--text-xl); font-weight:700; margin-bottom:var(--space-4); }
.feature-text > p { color:var(--color-text-muted); font-size:var(--text-base); margin-bottom:var(--space-6); max-width:46ch; }
.check-list { display:flex; flex-direction:column; gap:var(--space-3); }
.check-list li { position:relative; padding-left:2rem; font-size:var(--text-base); color:var(--color-text); line-height:1.5; }
.check-list li::before {
  content:""; position:absolute; left:0; top:.15rem; width:1.35rem; height:1.35rem;
  background:var(--color-primary-soft); border-radius:var(--radius-full);
}
.check-list li::after {
  content:""; position:absolute; left:.45rem; top:.5rem; width:.45rem; height:.25rem;
  border-left:2px solid var(--color-primary); border-bottom:2px solid var(--color-primary);
  transform:rotate(-45deg);
}
.feature-media { display:flex; justify-content:center; }
.phone-tilt { transform:rotate(-4deg); }
.phone-tilt-r { transform:rotate(4deg); }

/* ============ SECONDARY FEATURES ============ */
.features-secondary { padding-block:clamp(var(--space-16),8vw,var(--space-24)); }
.section-head { text-align:center; max-width:38ch; margin:0 auto var(--space-12); }
.section-head h2 { font-size:var(--text-xl); font-weight:700; }
.section-sub { color:var(--color-text-muted); margin-top:var(--space-3); }
.card-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-5); }
.card {
  background:var(--color-surface); border:1px solid var(--color-border); border-radius:var(--radius-lg);
  padding:var(--space-6); transition:all var(--transition);
}
.card:hover { border-color:var(--color-primary); transform:translateY(-4px); box-shadow:var(--shadow-md); }
.card-icon { display:grid; place-items:center; width:48px; height:48px; border-radius:var(--radius-md); background:var(--color-primary-soft); color:var(--color-primary); margin-bottom:var(--space-4); }
.card h3 { font-family:var(--font-display); font-size:var(--text-lg); font-weight:700; margin-bottom:var(--space-2); }
.card p { font-size:var(--text-sm); color:var(--color-text-muted); line-height:1.55; }

/* ============ PRICING ============ */
.pricing { padding-block:clamp(var(--space-16),8vw,var(--space-24)); background:var(--color-surface-2); border-block:1px solid var(--color-divider); }
.price-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:var(--space-6); max-width:760px; margin-inline:auto; }
.price-card {
  position:relative; background:var(--color-surface); border:1px solid var(--color-border);
  border-radius:var(--radius-xl); padding:var(--space-8); display:flex; flex-direction:column;
}
.price-card.featured { border-color:var(--color-primary); border-width:2px; box-shadow:var(--shadow-md); }
.badge { position:absolute; top:-13px; left:var(--space-8); background:var(--color-primary); color:#fff; font-size:var(--text-xs); font-weight:600; padding:.3rem .8rem; border-radius:var(--radius-full); }
.price-card h3 { font-family:var(--font-display); font-size:var(--text-lg); font-weight:700; margin-bottom:var(--space-3); }
.price { display:flex; align-items:baseline; gap:.35rem; margin-bottom:var(--space-6); }
.amount { font-family:var(--font-display); font-size:var(--text-xl); font-weight:800; color:var(--color-text); }
.per { font-size:var(--text-sm); color:var(--color-text-muted); }
.price-list { display:flex; flex-direction:column; gap:var(--space-3); margin-bottom:var(--space-8); flex:1; }
.price-list li { position:relative; padding-left:1.75rem; font-size:var(--text-sm); }
.price-list li::before { content:""; position:absolute; left:.35rem; top:.4rem; width:.45rem; height:.25rem; border-left:2px solid var(--color-primary); border-bottom:2px solid var(--color-primary); transform:rotate(-45deg); }

/* ============ FINAL CTA ============ */
.cta-final { padding-block:clamp(var(--space-16),8vw,var(--space-24)); }
.cta-inner { text-align:center; max-width:42ch; margin-inline:auto; }
.cta-inner h2 { font-size:var(--text-xl); font-weight:700; margin-bottom:var(--space-4); }
.cta-inner p { color:var(--color-text-muted); margin-bottom:var(--space-8); }
.section-contact { font-size:var(--text-sm); color:var(--color-text-muted); margin-top:var(--space-4); }
.section-contact a { color:var(--color-primary); font-weight:600; }
.section-contact a:hover { text-decoration:underline; }

/* ============ FOOTER ============ */
.site-footer { border-top:1px solid var(--color-divider); background:var(--color-surface-2); padding-block:var(--space-8); }
.footer-inner { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:var(--space-4); }
.footer-brand { display:flex; align-items:center; gap:.5rem; color:var(--color-primary); }
.footer-brand .brand-name { font-size:1.1rem; }
.footer-links { display:flex; gap:var(--space-5); }
.footer-links a { font-size:var(--text-sm); color:var(--color-text-muted); }
.footer-links a:hover { color:var(--color-primary); }
.footer-copy { font-size:var(--text-xs); color:var(--color-text-faint); }

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .nav { display:none; }
  .header-login { display:none; }
  .hero-grid, .feature-grid, .feature-grid.reverse { grid-template-columns:1fr; }
  .feature-grid.reverse .feature-text { order:0; }
  .hero-copy { text-align:center; margin-inline:auto; }
  .lead { margin-inline:auto; }
  .hero-cta { justify-content:center; }
  .feature-text > p, .check-list { margin-inline:auto; }
  .feature-text { text-align:center; }
  .check-list li { text-align:left; }
  .card-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:600px){
  .card-grid, .price-grid { grid-template-columns:1fr; }
  .strip-inner { justify-content:flex-start; }
  .strip-item { width:calc(50% - var(--space-3)); }
  .phone { width:240px; }
  .phone-back { display:none; }
  .hero-visual { min-height:auto; }
}