/* style.css — Jevan design tokens + components */

:root {
  /* Type scale */
  --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(2.75rem, 1rem + 5vw, 4.75rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 6.5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-7: 1.75rem; --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: 1.25rem; --radius-2xl: 1.75rem; --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1180px;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
}

/* ====== LIGHT (warm linen) ====== */
:root,
[data-theme='light'] {
  --color-bg: #f6f1e9;
  --color-surface: #fbf8f3;
  --color-surface-2: #fffdf8;
  --color-surface-offset: #efe8dd;
  --color-divider: #e7ddcd;
  --color-border: #e0d5c2;

  --color-text: #1f1a16;
  --color-text-muted: #6e6256;
  --color-text-faint: #a89b8b;
  --color-text-inverse: #fbf8f3;

  --color-primary: #a8500f;        /* deep ember — AA on linen */
  --color-primary-hover: #8a4010;
  --color-glow: #c8651b;            /* saffron — large display + accents */
  --color-glow-soft: #e8a06a;
  --color-signal: #5e8c3a;          /* pistachio data viz */
  --color-signal-soft: #c9d9b4;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 60 / 0.06);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 60 / 0.10);
  --shadow-lg: 0 24px 60px oklch(0.2 0.02 60 / 0.16);
  --shadow-glow: 0 12px 40px oklch(0.55 0.15 50 / 0.22);
  --grain-opacity: 0.04;
}

/* ====== DARK (warm espresso night) ====== */
[data-theme='dark'] {
  --color-bg: #16110c;
  --color-surface: #1d1812;
  --color-surface-2: #241e16;
  --color-surface-offset: #1a1510;
  --color-divider: #2c241a;
  --color-border: #382e22;

  --color-text: #ece3d6;
  --color-text-muted: #a89b8b;
  --color-text-faint: #6e6256;
  --color-text-inverse: #1f1a16;

  --color-primary: #e89a4c;         /* bright saffron — AA on dark */
  --color-primary-hover: #f3ad63;
  --color-glow: #e89a4c;
  --color-glow-soft: #c8651b;
  --color-signal: #8fb069;
  --color-signal-soft: #43572c;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 24px 60px oklch(0 0 0 / 0.5);
  --shadow-glow: 0 16px 48px oklch(0.7 0.14 55 / 0.28);
  --grain-opacity: 0.05;
}

/* ====== Base layout ====== */
body {
  background:
    radial-gradient(120% 80% at 80% -10%, color-mix(in oklab, var(--color-glow) 14%, transparent), transparent 60%),
    radial-gradient(90% 70% at 0% 100%, color-mix(in oklab, var(--color-signal) 8%, transparent), transparent 55%),
    var(--color-bg);
  overflow-x: hidden;
}

/* subtle film grain via SVG noise */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
[data-theme='dark'] body::before { mix-blend-mode: screen; }

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
  position: relative;
  z-index: 2;
}

.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section--tight { padding-block: clamp(var(--space-12), 5vw, var(--space-20)); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--color-primary);
  opacity: 0.6;
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-top: var(--space-3);
  max-width: 18ch;
}
.section-title em {
  font-style: italic;
  color: var(--color-primary);
}
.section-lead {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.5;
}

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
  transition:
    transform var(--transition-interactive),
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-glow);
}
[data-theme='dark'] .btn--primary { color: #16110c; }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); }
.btn--primary:active { transform: translateY(0); }
.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); }
.btn--lg { padding: 1rem 1.85rem; font-size: var(--text-base); }

/* ====== Header ====== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.header--scrolled { border-color: var(--color-border); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 4.5rem;
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); }
.brand__mark { width: 30px; height: 30px; color: var(--color-primary); flex: none; }
.brand__name { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.01em; }

.nav { display: flex; align-items: center; gap: var(--space-8); }
.nav__links { display: flex; gap: var(--space-7); }
.nav__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav__links a:hover { color: var(--color-primary); }
.nav__actions { display: flex; align-items: center; gap: var(--space-4); }

.icon-btn {
  width: 38px; height: 38px;
  display: inline-grid; place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.icon-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }

.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav-toggle { display: inline-grid; }
  .nav__actions .btn--ghost { display: none; }
}

/* ====== Hero ====== */
.hero { padding-top: clamp(var(--space-12), 6vw, var(--space-20)); padding-bottom: clamp(var(--space-16), 7vw, var(--space-24)); }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: center;
}
@media (max-width: 920px) { .hero__grid { grid-template-columns: 1fr; } }

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 420;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-top: var(--space-5);
}
.hero h1 em { font-style: italic; color: var(--color-primary); font-weight: 420; }
.hero__sub {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  line-height: 1.5;
}
.hero__cta { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__proof { margin-top: var(--space-8); display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.hero__proof .stat { display: flex; flex-direction: column; }
.hero__proof .stat b { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); font-weight: 500; }
.hero__proof .stat span { font-size: var(--text-xs); color: var(--color-text-muted); }
.hero__proof .divider { width: 1px; height: 36px; background: var(--color-border); }

/* Decision card mockup */
.card-3d { perspective: 1400px; }
.decision-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transform: rotate3d(1, -0.4, 0, 7deg);
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out);
}
.card-3d:hover .decision-card { transform: rotate3d(1, -0.4, 0, 3deg); }
.decision-card__top {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.dc-venue { display: flex; flex-direction: column; }
.dc-venue b { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; }
.dc-venue span { font-size: var(--text-xs); color: var(--color-text-muted); }
.dc-badge {
  font-size: var(--text-xs); font-weight: 600;
  padding: 0.35rem 0.7rem; border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-signal) 16%, transparent);
  color: var(--color-signal);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.dc-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-signal); animation: pulse 2s var(--ease-out) infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.7)} }

.dc-metric { margin-top: var(--space-5); }
.dc-metric .label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.dc-metric .value { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.dc-metric .value small { font-size: 0.4em; color: var(--color-text-muted); font-family: var(--font-body); margin-left: 0.3rem; }
.dc-delta { font-size: var(--text-xs); color: var(--color-signal); font-weight: 600; }

.dc-chart { margin-top: var(--space-4); height: 90px; }
.dc-chart .bar { transform-origin: bottom; }

.dc-list { margin-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.dc-list .label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-1); }
.dc-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 0.85rem; border-radius: var(--radius-md);
  background: var(--color-surface-offset); font-size: var(--text-sm);
}
.dc-row .qty { color: var(--color-primary); font-weight: 600; }

.floating-chip {
  position: absolute; z-index: 3;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.85rem;
  font-size: var(--text-xs); font-weight: 600;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 0.45rem;
  animation: floaty 6s ease-in-out infinite;
}
.floating-chip .ico { color: var(--color-primary); }
.chip-1 { top: -16px; left: 22px; animation-delay: 0s; }
.chip-2 { bottom: -16px; right: 26px; animation-delay: 1.5s; }
@media (max-width: 920px) { .floating-chip { display: none; } }
@keyframes floaty { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }

/* ====== Trust bar ====== */
.trust { border-block: 1px solid var(--color-border); }
.trust__inner { display: flex; align-items: center; justify-content: center; gap: clamp(var(--space-8),5vw,var(--space-16)); flex-wrap: wrap; padding-block: var(--space-8); }
.trust__label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.14em; width: 100%; text-align: center; margin-bottom: var(--space-2); }
.trust__logo { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text-faint); font-weight: 500; letter-spacing: -0.01em; filter: saturate(0.6); }

/* ====== Reframe ====== */
.reframe { text-align: center; }
.reframe h2 { font-size: var(--text-3xl); font-weight: 420; letter-spacing: -0.03em; max-width: 20ch; margin-inline: auto; }
.reframe h2 em { font-style: italic; color: var(--color-primary); }
.reframe p { margin-top: var(--space-5); color: var(--color-text-muted); font-size: var(--text-lg); max-width: 54ch; margin-inline: auto; }

/* ====== Loop diagram ====== */
.loop { background: var(--color-surface-offset); border-block: 1px solid var(--color-border); }
.loop__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-10),5vw,var(--space-20)); align-items: center; }
@media (max-width: 900px) { .loop__grid { grid-template-columns: 1fr; } }
.loop__diagram { position: relative; aspect-ratio: 1/1; max-width: 460px; margin-inline: auto; width: 100%; }
.loop__diagram svg { width: 100%; height: 100%; overflow: visible; }
.loop-node text { font-family: var(--font-display); }
.loop-steps { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-8); }
.loop-step { display: flex; gap: var(--space-4); align-items: flex-start; }
.loop-step__num {
  flex: none; width: 2.25rem; height: 2.25rem; border-radius: var(--radius-full);
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 500;
  background: color-mix(in oklab, var(--color-primary) 14%, transparent); color: var(--color-primary);
}
.loop-step h3 { font-size: var(--text-lg); font-weight: 600; font-family: var(--font-body); }
.loop-step p { color: var(--color-text-muted); font-size: var(--text-base); margin-top: 0.2rem; }

/* ====== Features ====== */
.features__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--space-6); margin-top: var(--space-12); }
.feature {
  grid-column: span 6;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  overflow: hidden;
  position: relative;
}
.feature--wide { grid-column: span 12; }
@media (max-width: 820px) { .feature { grid-column: span 12; } }
.feature__head { display: flex; align-items: center; gap: var(--space-3); }
.feature__icon {
  width: 2.5rem; height: 2.5rem; border-radius: var(--radius-md);
  display: grid; place-items: center; color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary) 12%, transparent);
}
.feature h3 { font-size: var(--text-xl); font-weight: 420; margin-top: var(--space-4); letter-spacing: -0.01em; }
.feature p { color: var(--color-text-muted); margin-top: var(--space-3); }
.feature__visual { margin-top: var(--space-6); }

/* mini forecast chart */
.mini-chart { height: 120px; }

/* ====== Proof stats ====== */
.proof { background: var(--color-text); color: var(--color-text-inverse); }
[data-theme='dark'] .proof { background: var(--color-surface-2); color: var(--color-text); }
.proof__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
@media (max-width: 760px) { .proof__grid { grid-template-columns: 1fr; gap: var(--space-10); } }
.stat-big { text-align: center; }
.stat-big b { font-family: var(--font-display); font-size: clamp(var(--text-3xl), 6vw, var(--text-hero)); font-weight: 500; letter-spacing: -0.03em; color: var(--color-glow); display: block; line-height: 1; }
.stat-big span { display: block; margin-top: var(--space-3); font-size: var(--text-base); opacity: 0.75; max-width: 28ch; margin-inline: auto; }

/* ====== Testimonials ====== */
.quotes__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); margin-top: var(--space-12); }
@media (max-width: 820px) { .quotes__grid { grid-template-columns: 1fr; } }
.quote {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: clamp(var(--space-6),3vw,var(--space-8));
  display: flex; flex-direction: column; gap: var(--space-6);
}
.quote blockquote { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 420; line-height: 1.3; letter-spacing: -0.01em; }
.quote__by { display: flex; align-items: center; gap: var(--space-3); margin-top: auto; }
.avatar { width: 44px; height: 44px; border-radius: var(--radius-full); flex: none; }
.quote__by b { display: block; font-size: var(--text-sm); }
.quote__by span { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ====== Pricing ====== */
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: var(--space-12); align-items: stretch; }
@media (max-width: 900px) { .pricing__grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; } }
.plan {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4); position: relative;
}
.plan--featured { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.plan__tag {
  position: absolute; top: -0.8rem; left: var(--space-8);
  font-size: var(--text-xs); font-weight: 600; padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full); background: var(--color-primary); color: var(--color-text-inverse);
}
[data-theme='dark'] .plan__tag { color: #16110c; }
.plan h3 { font-size: var(--text-lg); font-weight: 600; font-family: var(--font-body); }
.plan__price { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; letter-spacing: -0.02em; }
.plan__price small { font-size: 0.45em; color: var(--color-text-muted); font-family: var(--font-body); }
.plan ul { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-2); }
.plan li { font-size: var(--text-sm); color: var(--color-text-muted); display: flex; gap: var(--space-2); align-items: flex-start; }
.plan li::before { content: "✓"; color: var(--color-signal); font-weight: 700; }
.plan .btn { margin-top: auto; }

/* ====== Final CTA ====== */
.final {
  text-align: center;
  background:
    radial-gradient(80% 120% at 50% 120%, color-mix(in oklab, var(--color-glow) 30%, transparent), transparent 60%),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-12), 6vw, var(--space-24));
}
.final h2 { font-size: var(--text-3xl); font-weight: 420; letter-spacing: -0.03em; max-width: 16ch; margin-inline: auto; }
.final h2 em { font-style: italic; color: var(--color-primary); }
.final p { margin-top: var(--space-4); color: var(--color-text-muted); }
.final__form { margin-top: var(--space-8); display: flex; gap: var(--space-3); max-width: 460px; margin-inline: auto; flex-wrap: wrap; }
.input {
  flex: 1; min-width: 220px;
  padding: 0.85rem 1.1rem; border-radius: var(--radius-full);
  background: var(--color-bg); border: 1px solid var(--color-border); color: var(--color-text);
}
.input:focus { border-color: var(--color-primary); outline: none; }
.final__note { margin-top: var(--space-4); font-size: var(--text-xs); color: var(--color-text-faint); }

/* ====== Footer ====== */
.footer { border-top: 1px solid var(--color-border); padding-block: var(--space-12); }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-8); }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
.footer__brand p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-3); max-width: 34ch; }
.footer__col h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-faint); font-family: var(--font-body); font-weight: 600; }
.footer__col ul { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a { color: var(--color-text-muted); font-size: var(--text-sm); text-decoration: none; }
.footer__col a:hover { color: var(--color-primary); }
.footer__bottom { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--color-divider); display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; font-size: var(--text-xs); color: var(--color-text-faint); }

/* ====== Scroll reveal (progressive) ====== */
.reveal { opacity: 1; }
@supports (animation-timeline: view()) {
  .reveal { opacity: 0; animation: rv linear both; animation-timeline: view(); animation-range: entry 0% entry 80%; }
  @keyframes rv { to { opacity: 1; } }
}