/* ════════════════════════════════════════════════════════════════════
   TREKA CORP — SHARED SYSTEM (DIFT v2 LIGHT)
   Tokens · nav · buttons · eyebrows · type · sections · footer · reveal
   Clean, warm, restrained. Light off-white surfaces, dark type,
   accent gold used sparingly. Dark sections reserved for emphasis.
   ════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;1,14..32,400;1,14..32,500&family=Roboto:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ── Light surface system ── */
  --dift-bg:        #F8F7F4;   /* default page bg — warm off-white, never pure white */
  --dift-bg2:       #F1F0ED;   /* alternate / zebra section bg */
  --dift-surface:   #FFFFFF;   /* card / form surfaces */
  --dift-text:      #0F0F0E;   /* primary text */
  --dift-text-2:    #4B4B48;   /* secondary / body text */
  --dift-text-3:    #88887F;   /* tertiary / labels / captions */
  --dift-border:    rgba(0,0,0,0.08);
  --dift-border-md: rgba(0,0,0,0.13);
  --dift-border-st: rgba(0,0,0,0.24);

  /* ── Brand gold — light-calibrated (WCAG AA) ── */
  --dift-gold:      #7E6B0C;
  --dift-gold-rgb:  126 107 12;
  --dift-gold-dim:  rgba(126,107,12,0.07);
  --dift-gold-line: rgba(126,107,12,0.20);
  --dift-gold-mid:  #6A5A0A;

  /* ── Corporate / umbrella accent (hero) — distinct from every pillar ── */
  --corp-accent:      #1C5438;   /* deep forest green */
  --corp-accent-dim:  rgba(28,84,56,0.07);
  --corp-accent-line: rgba(28,84,56,0.20);

  /* ── Dark surfaces (feature sections + footer only) ── */
  --dift-dark:      #0E0E0D;   /* footer */
  --dift-dark2:     #141412;   /* dark feature / CTA */

  /* ── Treka primaries (dark sections / brand moments) ── */
  --green:      #2A4B3C;
  --green-mid:  #3D6B54;
  --green-dark: #1E3529;
  --green-deep: #0F1D17;
  --green-card: #1D3428;       /* cross-promo green card */
  --cream:      #FAF0E6;       /* on-dark text */

  /* ── Per-pillar accent colors (light-optimized) ── */
  --leads-accent:    #7E6B0C;  /* Gold     · DIFT Leads / DIFT */
  --rates-accent:    #17725A;  /* Forest teal · DIFT Rates */
  --policies-accent: #2656A0;  /* Blue     · DIFT Policies */
  --close-accent:    #5E4A8C;  /* Purple   · DIFT Close */
  --writeoff-accent: #9C3A18;  /* Terracotta · DIFT Write-off */
  --one-accent:      #2A4B3C;  /* Estate green · Treka One */
  --builds-accent:   #9C3A18;  /* Terracotta · Treka Builds */

  /* ── Fonts ── */
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body:    'Roboto', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* ── Legacy aliases (kept so older markup still resolves) ── */
  --off-white:  var(--dift-bg);
  --black:      var(--dift-text);
  --gray:       var(--dift-text-2);
  --accent:     var(--dift-gold);
  --cream-dark: var(--dift-border);
}

*,*::before,*::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--dift-bg);
  color: var(--dift-text);
  font-family: var(--font-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* Visible keyboard focus, site-wide */
:focus-visible {
  outline: 2px solid var(--pa, var(--dift-gold));
  outline-offset: 2px;
  border-radius: 3px;
}

/* Skip-to-content link — off-screen until focused */
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  background: var(--dift-text); color: #FFF;
  padding: 10px 16px; border-radius: 8px;
  font: 600 13px/1 var(--font-body);
  transform: translateY(-150%);
  transition: transform 0.18s ease;
}
.skip-link:focus { transform: none; }

.container {
  width: 100%;
  margin: 0 auto;
  padding-left: clamp(20px, 3vw, 40px);
  padding-right: clamp(20px, 3vw, 40px);
}

/* Hero buffer — heroes get more breathing room on the sides so the headline
   doesn't crash into the viewport edge on wide screens. Scales with viewport. */
.corp-hero > .container {
  padding-left: clamp(28px, 5vw, 96px);
  padding-right: clamp(28px, 5vw, 96px);
}

/* ════════════════════════════════════════════════════════════════════
   NAV — fixed, light, 68px
   ════════════════════════════════════════════════════════════════════ */
.tnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: 68px;
  background: rgba(250,249,246,0.96);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--dift-border);
}
.tnav-inner {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.tnav-brand {
  justify-self: start;
  display: inline-flex; align-items: center; gap: 14px;
  opacity: 0.78;
  transition: opacity 0.15s;
}
.tnav-brand:hover { opacity: 1; }
.tnav-brand img { height: 28px; width: auto; filter: brightness(0); }

.tnav-links {
  justify-self: center;
  display: none; gap: 4px; align-items: center;
}
@media (min-width: 980px) { .tnav-links { display: flex; } }

.tnav-item { position: relative; }
.tnav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 7px;
  font: 400 14px/1 var(--font-body);
  color: rgba(15,15,14,0.50);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.tnav-link svg { opacity: 0.6; }
.tnav-link:hover { color: var(--dift-text); background: rgba(0,0,0,0.04); }
.tnav-link.active { color: var(--dift-text); background: rgba(0,0,0,0.05); }
.tnav-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 18px; right: 18px;
  height: 2px; border-radius: 2px;
  background: var(--pa, var(--dift-gold));
}

.tnav-drop {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 320px;
  background: var(--dift-surface);
  border: 1px solid var(--dift-border);
  border-radius: 14px; padding: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.12);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.tnav-item:hover .tnav-drop,
.tnav-item.open .tnav-drop { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.tnav-drop::before { content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.tnav-drop-head {
  font: 600 9px/1.4 var(--font-body);
  letter-spacing: 0.30em; text-transform: uppercase;
  color: var(--dift-text-3);
  padding: 6px 12px 12px;
}
.tnav-dropi { display: block; padding: 10px 12px; border-radius: 9px; transition: background 0.15s; }
.tnav-dropi:hover { background: var(--dift-bg2); }
.tnav-dropi .l {
  display: flex; align-items: center; gap: 10px;
  font: 500 13px/1.2 var(--font-body); color: var(--dift-text);
  margin-bottom: 4px;
}
.tnav-dropi .l .swatch { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.tnav-dropi .d { font: 400 11px/1.5 var(--font-body); color: var(--dift-text-3); padding-left: 17px; }

.tnav-right { justify-self: end; display: flex; align-items: center; gap: 14px; }
.tnav-signin {
  display: none;
  font: 400 13px/1 var(--font-body);
  color: rgba(15,15,14,0.50);
  transition: color 0.15s;
}
@media (min-width: 720px) { .tnav-signin { display: inline-flex; } }
.tnav-signin:hover { color: var(--dift-text); }
.tnav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: 6px; white-space: nowrap;
  background: var(--dift-text); color: #FFFFFF;
  font: 600 11px/1 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase;
  transition: opacity 0.15s, transform 0.15s;
}
.tnav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.tnav-burger {
  display: inline-flex; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--dift-text);
}
@media (min-width: 980px) { .tnav-burger { display: none; } }

/* Mobile drawer */
.tmob {
  position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
  background: #111110; color: var(--cream);
  z-index: 55; padding: 28px 24px 40px;
  overflow-y: auto;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}
.tmob.open { transform: translateY(0); }
.tmob-section { margin-bottom: 26px; }
.tmob-head {
  display: block;
  font: 600 9px/1 var(--font-body); letter-spacing: 0.30em; text-transform: uppercase;
  color: rgba(250,240,230,0.55);
  padding: 0 0 14px; border-bottom: 1px solid rgba(250,240,230,0.10);
  transition: color 0.15s;
}
a.tmob-head:hover { color: var(--cream); }
.tmob-link {
  display: flex; align-items: center; gap: 12px; padding: 14px 0;
  font: 400 15px/1 var(--font-body); color: rgba(250,240,230,0.85);
  border-bottom: 1px solid rgba(250,240,230,0.06);
}
.tmob-link .swatch { width: 8px; height: 8px; border-radius: 50%; }

/* ════════════════════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 14px 26px;
  border: none; border-radius: 6px;
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.13em; text-transform: uppercase;
  cursor: pointer; white-space: nowrap;
  transition: opacity 0.15s, transform 0.15s, background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { transform: translateY(-1px); }

/* Primary — gold on light pages */
.btn-primary { background: var(--pa, var(--dift-gold)); color: #FFFFFF; }
.btn-primary:hover { opacity: 0.86; }

/* Outline / secondary on light */
.btn-secondary {
  background: transparent; color: var(--dift-text);
  border: 1px solid var(--dift-border-md);
}
.btn-secondary:hover { border-color: var(--dift-border-st); background: rgba(0,0,0,0.04); }

/* Dark — solid ink */
.btn-dark { background: var(--dift-text); color: #FFFFFF; }
.btn-dark:hover { opacity: 0.85; }

/* On-dark variants */
.btn-on-dark-primary { background: var(--cream); color: var(--green-deep); }
.btn-on-dark-primary:hover { opacity: 0.88; }
.btn-ghost-dark {
  background: transparent; color: var(--cream);
  border: 1px solid rgba(250,240,230,0.30);
}
.btn-ghost-dark:hover { border-color: rgba(250,240,230,0.70); background: rgba(250,240,230,0.05); }

.btn-arrow svg { transition: transform 0.18s; }
.btn-arrow:hover svg { transform: translateX(3px); }

/* ════════════════════════════════════════════════════════════════════
   EYEBROW — flat text + dot (v2 standard)
   ════════════════════════════════════════════════════════════════════ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.30em; text-transform: uppercase;
  color: var(--pa, var(--dift-gold));
}
.eyebrow::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; flex-shrink: 0;
}
.eyebrow.no-dot::before { display: none; }
.eyebrow.on-dark { color: rgba(250,240,230,0.62); }
.eyebrow.gold { color: var(--dift-gold); }
.eyebrow.on-dark.gold { color: #C8B765; }

/* ════════════════════════════════════════════════════════════════════
   TYPE
   ════════════════════════════════════════════════════════════════════ */
.h1 {
  font: 600 clamp(40px,7.5vw,90px)/1.0 var(--font-display);
  letter-spacing: -0.022em; margin: 0; text-wrap: balance;
}
.h1 em { font-style: italic; color: var(--pa, var(--dift-gold)); }

.h2 {
  font: 600 clamp(28px,4vw,52px)/1.15 var(--font-display);
  letter-spacing: -0.018em; margin: 0; text-wrap: pretty;
}
.h2 em { font-style: italic; color: var(--pa, var(--dift-gold)); }

.h3 {
  font: 600 clamp(20px,2vw,28px)/1.25 var(--font-display);
  letter-spacing: -0.015em; margin: 0;
}
.h3 em { font-style: italic; color: var(--pa, var(--dift-gold)); }

.lede {
  font: 400 17px/1.7 var(--font-body); color: var(--dift-text-2);
  max-width: 640px; text-wrap: pretty;
}
.lede.on-dark { color: rgba(250,240,230,0.72); }

.fine { font: 300 12px/1.7 var(--font-body); color: var(--dift-text-3); }

em { font-style: italic; }

/* ════════════════════════════════════════════════════════════════════
   SECTIONS
   ════════════════════════════════════════════════════════════════════ */
section.sec { padding: 100px 0; }
section.sec.emph { padding: 120px 0; }
section.sec.alt { background: var(--dift-bg2); }
section.sec.surface { background: var(--dift-surface); }
section.sec.dark {
  background: var(--dift-dark2); color: var(--cream);
  position: relative; overflow: hidden;
}
section.sec.dark::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(126,107,12,0.10) 0%, transparent 70%);
}
section.sec.dark.green-glow::before {
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(61,107,84,0.22) 0%, transparent 70%);
}
section.sec.dark > .container { position: relative; z-index: 1; }

/* ════════════════════════════════════════════════════════════════════
   FOOTER — dark ink (#0E0E0D)
   ════════════════════════════════════════════════════════════════════ */
footer.tfoot {
  background: var(--dift-dark); color: var(--cream);
  padding: 72px 0 32px;
  font-family: var(--font-body);
}
.tf-top {
  display: grid; grid-template-columns: 1fr 1fr; gap: 36px 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(250,240,230,0.08);
}
@media (min-width: 700px) { .tf-top { grid-template-columns: 2fr repeat(2, 1fr); } }
@media (min-width: 1040px) { .tf-top { grid-template-columns: 1.8fr repeat(4, 1fr); gap: 48px; } }
.tf-brand { grid-column: 1 / -1; }
@media (min-width: 1040px) { .tf-brand { grid-column: auto; } }
.tf-brand img { height: 32px; width: auto; filter: brightness(0) invert(1); opacity: 0.85; margin-bottom: 18px; }
.tf-pitch { font: 300 13px/1.7 var(--font-body); color: rgba(250,240,230,0.50); max-width: 300px; margin: 0 0 22px; }
.tf-parent {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 11px/1 var(--font-body); letter-spacing: 0.06em;
  color: #C8B765;
}
.tf-soc { display: flex; gap: 8px; margin-top: 22px; }
.tf-soc a {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(250,240,230,0.04);
  border: 1px solid rgba(250,240,230,0.14);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
.tf-soc a:hover { background: rgba(250,240,230,0.08); border-color: rgba(250,240,230,0.45); }
.tf-soc img { width: 15px; height: 15px; opacity: 0.8; filter: brightness(0) invert(1); transition: opacity 0.15s; }
.tf-soc a:hover img { opacity: 1; }

.tf-col .tf-head {
  display: block;
  font: 600 11px/1.4 var(--font-body);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(250,240,230,0.45); margin: 0 0 18px;
  transition: color 0.15s;
}
a.tf-head:hover { color: var(--cream); }
.tf-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.tf-list a {
  display: inline-flex; align-items: center; gap: 9px; white-space: nowrap;
  font: 300 13px/1.4 var(--font-body); color: rgba(250,240,230,0.62);
  transition: color 0.15s;
}
.tf-list a:hover { color: var(--cream); }
.tf-list a .swatch { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

.tf-bottom {
  margin-top: 28px;
  display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: space-between; align-items: flex-start;
}
.tf-legal { font: 300 11px/1.7 var(--font-body); color: rgba(250,240,230,0.28); max-width: 760px; }
.tf-legal-links { display: flex; gap: 20px; }
.tf-legal-links a { font: 300 11px/1.4 var(--font-body); color: rgba(250,240,230,0.28); transition: color 0.15s; }
.tf-legal-links a:hover { color: rgba(250,240,230,0.60); }

.tfoot-eho {
  display: flex; align-items: flex-start; gap: 14px;
  padding-top: 24px; margin-top: 24px;
  border-top: 1px solid rgba(250,240,230,0.08);
  color: rgba(250,240,230,0.45);
}
.tfoot-eho svg { flex-shrink: 0; opacity: 0.55; }
.tfoot-eho-title { font: 600 9px/1.3 var(--font-body); letter-spacing: 0.22em; text-transform: uppercase; color: rgba(250,240,230,0.45); margin: 0 0 6px; }
.tfoot-eho-body { font: 300 11px/1.6 var(--font-body); color: rgba(250,240,230,0.34); margin: 0; max-width: 72ch; }

/* ════════════════════════════════════════════════════════════════════
   SCROLL REVEAL
   ════════════════════════════════════════════════════════════════════ */
@keyframes tFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.t-reveal { opacity: 0; }
.t-reveal.is-in { animation: tFadeUp 0.8s cubic-bezier(0.16,1,0.3,1) both; }
.t-reveal.d1 { animation-delay: 0.08s; }
.t-reveal.d2 { animation-delay: 0.16s; }
.t-reveal.d3 { animation-delay: 0.24s; }
.t-reveal.d4 { animation-delay: 0.32s; }
.t-reveal.d5 { animation-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
  .t-reveal { opacity: 1; }
  .t-reveal.is-in { animation: none; }
}

/* Coming-soon links */
a[data-coming-soon="true"] { position: relative; cursor: not-allowed; opacity: 0.8; }
a[data-coming-soon="true"]::after {
  content: " · soon"; font-size: 0.78em; opacity: 0.6; font-style: italic; letter-spacing: 0.04em;
}