/* ============================================================
   ISONEX — Framework subpage styles
   Reuses the brand system from index.html
   ============================================================ */
:root {
  --navy: #0E1B2C;
  --navy-soft: #16263b;
  --cream: #F4EFE3;
  --cream-dark: #EDE7D6;
  --sienna: #C2562A;
  --sienna-light: #E8C8B5;
  --forest: #2D4A3E;
  --ink: #0E1B2C;
  --muted: #4F5965;
  --muted-light: #8A8F9A;
  --line: #D9D2C2;
  --line-dark: rgba(244,239,227,0.15);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Manrope', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--sans); background: var(--cream); color: var(--ink); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; line-height: 1.08; }
em { font-style: italic; color: var(--sienna); }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 32px; }

.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--sienna);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--sienna); }
.dark .eyebrow { color: var(--sienna-light); }
.dark .eyebrow::before { background: var(--sienna-light); }

/* ============ HEADER ============ */
header { position: sticky; top: 0; z-index: 100; background: rgba(244,239,227,0.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 22px; letter-spacing: -0.03em; }
.logo svg { width: 30px; height: 30px; }
.logo .dot { color: var(--sienna); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 14.5px; font-weight: 500; color: var(--ink); position: relative; }
.nav-links a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 1.5px; background: var(--sienna); transition: width .3s cubic-bezier(.16,1,.3,1); }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { background: var(--navy); color: var(--cream); padding: 11px 20px; border-radius: 8px; font-size: 13.5px; transition: background .25s, transform .25s; }
.nav-cta:hover { background: var(--sienna); transform: translateY(-1px); }
.burger { display: none; background: none; border: 0; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.burger span { width: 24px; height: 2px; background: var(--ink); transition: .3s; }

/* ============ BREADCRUMB ============ */
.crumb { padding: 22px 0 0; }
.crumb .wrap { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); font-family: var(--mono); letter-spacing: 0.02em; }
.crumb a { color: var(--muted); transition: color .2s; }
.crumb a:hover { color: var(--sienna); }
.crumb span { color: var(--muted-light); }

/* ============ HERO ============ */
.fw-hero { padding: 48px 0 56px; position: relative; }
.fw-hero .wrap { max-width: 1180px; }
.fw-hero-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 56px; align-items: start; }
.fw-tagrow { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 22px; }
.pill { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; padding: 6px 12px; border-radius: 100px; border: 1px solid var(--line); color: var(--muted); background: #fff; }
.pill.core { border-color: var(--sienna); color: var(--sienna); background: #FBF1EA; }
.fw-hero h1 { font-size: clamp(40px, 6vw, 68px); margin-top: 14px; }
.fw-hero .lead { font-size: 18px; color: var(--muted); margin-top: 22px; max-width: 600px; }
.fw-hero .cta-row { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 14px 26px; border-radius: 9px; font-size: 14.5px; font-weight: 600; transition: transform .25s, background .25s; }
.btn-primary { background: var(--navy); color: var(--cream); }
.btn-primary:hover { background: var(--sienna); transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--navy); transform: translateY(-2px); }

/* ============ FACTS CARD ============ */
.facts { background: var(--navy); color: var(--cream); border-radius: 16px; padding: 30px 30px 26px; position: sticky; top: 100px; }
.facts h3 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sienna-light); margin-bottom: 20px; }
.facts dl { display: grid; gap: 0; }
.facts .row { padding: 14px 0; border-top: 1px solid var(--line-dark); }
.facts .row:first-of-type { border-top: 0; padding-top: 0; }
.facts dt { font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-light); margin-bottom: 4px; font-family: var(--mono); }
.facts dd { font-size: 15px; color: var(--cream); font-weight: 500; }

/* ============ SECTIONS ============ */
section.pad { padding: 64px 0; }
section.pad.tight { padding: 44px 0; }
.dark { background: var(--navy); color: var(--cream); }
.dark h1, .dark h2, .dark h3, .dark h4 { color: var(--cream); }
.dark .muted, .dark p { color: rgba(244,239,227,0.78); }
.sec-head { max-width: 720px; margin-bottom: 38px; }
.sec-head h2 { font-size: clamp(28px, 4vw, 40px); margin-top: 14px; }
.sec-head p { color: var(--muted); margin-top: 16px; font-size: 16.5px; }
.prose p { font-size: 16.5px; color: var(--muted); margin-bottom: 18px; max-width: 760px; }
.prose strong { color: var(--ink); font-weight: 600; }

/* ============ CARDS GRID ============ */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 8px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 26px 24px; transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(14,27,44,0.08); }
.card .ic { width: 38px; height: 38px; border-radius: 9px; background: #FBF1EA; color: var(--sienna); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.card .ic svg { width: 20px; height: 20px; }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--muted); }

/* ============ DELIVERY STEPS ============ */
.steps { display: grid; gap: 0; margin-top: 8px; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--line-dark); }
.step:first-child { border-top: 0; }
.step .num { font-family: var(--serif); font-size: 30px; color: var(--sienna-light); line-height: 1; }
.step h4 { font-size: 20px; margin-bottom: 7px; }
.step p { font-size: 15px; color: rgba(244,239,227,0.74); max-width: 640px; }

/* ============ RELATED ============ */
.related { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.related a { display: inline-flex; align-items: center; gap: 9px; padding: 12px 18px; border: 1px solid var(--line); border-radius: 100px; font-size: 14px; font-weight: 500; background: #fff; transition: border-color .25s, transform .25s; }
.related a:hover { border-color: var(--sienna); color: var(--sienna); transform: translateY(-2px); }
.related a .tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-light); }

/* ============ FAQ ============ */
.faq { max-width: 820px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-q { width: 100%; background: none; border: 0; text-align: left; padding: 22px 0; font-family: var(--serif); font-size: 19px; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.faq-q svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--sienna); transition: transform .3s; }
.faq-item.open .faq-q svg { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 0 22px; color: var(--muted); font-size: 15.5px; max-width: 720px; }

/* ============ CTA BAND ============ */
.cta-band { padding: 80px 0; text-align: center; }
.cta-band h2 { font-size: clamp(32px, 5vw, 52px); }
.cta-band p { color: rgba(244,239,227,0.78); margin: 18px auto 30px; max-width: 520px; font-size: 17px; }

/* ============ FOOTER ============ */
footer { background: var(--navy); color: var(--cream); padding: 64px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.foot-brand .logo { color: var(--cream); margin-bottom: 16px; }
.foot-brand p { color: rgba(244,239,227,0.65); font-size: 14.5px; max-width: 300px; }
.foot-col h4 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sienna-light); margin-bottom: 16px; }
.foot-col a { display: block; color: rgba(244,239,227,0.72); font-size: 14px; margin-bottom: 10px; transition: color .2s; }
.foot-col a:hover { color: var(--cream); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line-dark); font-size: 13px; color: rgba(244,239,227,0.55); flex-wrap: wrap; gap: 14px; }
.foot-offices { display: flex; gap: 18px; align-items: center; }
.foot-offices a:hover { color: var(--cream); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .fw-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .facts { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  .wrap, .nav { padding-left: 20px; padding-right: 20px; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .step { grid-template-columns: 1fr; gap: 8px; }
}