/* iRealty Sciences — marketing site. Brand: navy #1e3a5f · teal #14b8a6. */
:root {
  --navy: #1e3a5f;
  --navy-900: #162d45;
  --teal: #14b8a6;
  --teal-600: #0d9488;
  --ink: #0f172a;
  --slate: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --radius: 14px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--ink);
  background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.5em; color: var(--ink); }
p { margin: 0 0 1em; color: var(--slate); }
a { color: var(--teal-600); text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal-600); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 0.8rem 1.4rem; border-radius: 10px;
  font-weight: 700; font-size: 0.95rem; cursor: pointer; border: 1px solid transparent; transition: all .15s; white-space: nowrap; }
.btn-primary { background: var(--teal); color: #06302b; }
.btn-primary:hover { background: var(--teal-600); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-900); }
.btn-outline { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-outline:hover { border-color: var(--navy); }

/* ── Header ──────────────────────────────────────────────── */
header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 32px; height: 32px; }
.brand .name { font-weight: 800; color: var(--ink); font-size: 1.05rem; letter-spacing: -0.01em; }
.brand .name .sci { color: var(--teal-600); font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--slate); font-weight: 600; font-size: 0.9rem; }
.nav-links a:not(.btn):hover { color: var(--ink); }
@media (max-width: 820px) { .nav-links a:not(.btn) { display: none; } }

/* ── Hero ────────────────────────────────────────────────── */
.hero { background: radial-gradient(1200px 500px at 70% -10%, #1e406833, transparent), linear-gradient(160deg, #0c1c2e 0%, var(--navy) 55%, #234a78 100%); color: #fff; padding: 96px 0 104px; position: relative; overflow: hidden; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 14ch; }
.hero .lede { color: #cbd5e1; font-size: 1.15rem; max-width: 56ch; margin-bottom: 2rem; }
.hero .eyebrow { color: #5eead4; margin-bottom: 14px; display: block; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .trust { margin-top: 34px; color: #94a3b8; font-size: 0.85rem; }
.hero .trust strong { color: #e2e8f0; }

/* ── Sections ────────────────────────────────────────────── */
section.block { padding: 84px 0; }
section.soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 64ch; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.section-head p { font-size: 1.08rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ── Capability cards ────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: all .15s; }
.card:hover { border-color: #c7d2fe; box-shadow: 0 8px 30px rgba(15,23,42,0.06); transform: translateY(-2px); }
.card .ic { width: 42px; height: 42px; border-radius: 10px; background: #ecfeff; color: var(--teal-600); display: grid; place-items: center; margin-bottom: 16px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { font-size: 0.92rem; margin: 0; color: var(--muted); }

/* ── Audiences ───────────────────────────────────────────── */
.aud { display: flex; flex-wrap: wrap; gap: 12px; }
.pill { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 10px 18px; font-weight: 700; color: var(--navy); font-size: 0.92rem; }
.pill span { color: var(--teal-600); }

/* ── FDE / whitepaper band ───────────────────────────────── */
.fde { background: linear-gradient(160deg, var(--navy) 0%, #102a44 100%); color: #fff; border-radius: 20px; padding: 56px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .fde { grid-template-columns: 1fr; padding: 36px; } }
.fde h2 { color: #fff; }
.fde p { color: #cbd5e1; }
.fde .eyebrow { color: #5eead4; }
.paper-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius); padding: 24px; }
.paper-card .tag { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: #5eead4; }
.paper-card h3 { color: #fff; font-size: 1.15rem; margin: 8px 0 6px; }
.paper-card p { color: #94a3b8; font-size: 0.88rem; }

/* ── Contact ─────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
form.lead { display: grid; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 0.78rem; font-weight: 700; color: var(--slate); }
.field input, .field select, .field textarea { padding: 0.7rem 0.85rem; border: 1px solid var(--line); border-radius: 9px; font: inherit; color: var(--ink); outline: none; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px #14b8a622; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

/* ── Logo mark ───────────────────────────────────────────── */
.logo { display: inline-flex; align-items: center; }
.logo svg { display: block; }

/* ── The shift (old world / wall / new world) ────────────── */
.shift-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: stretch; }
@media (max-width: 820px) { .shift-row { grid-template-columns: 1fr; } }
.shift-col { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.shift-col.accent { border-color: var(--teal); box-shadow: 0 8px 30px rgba(20,184,166,0.10); }
.shift-col p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.shift-tag { font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.shift-col.accent .shift-tag { color: var(--teal-600); }
.shift-wall { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center; padding: 0 6px; border-left: 3px solid #d97706; }
@media (max-width: 820px) { .shift-wall { border-left: none; border-top: 3px solid #d97706; padding: 14px 0; } }
.shift-wall span { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; color: #d97706; }
.shift-wall small { font-size: 0.72rem; color: var(--muted); max-width: 14ch; }

/* ── Large service cards + tick lists ────────────────────── */
.card-lg { padding: 32px; }
.ticks { list-style: none; margin: 16px 0 0; padding: 0; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: 8px; color: var(--slate); font-size: 0.92rem; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal-600); font-weight: 800; }

/* ── Process steps ───────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.step .n { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--navy); color: #fff; font-weight: 800; font-size: 0.9rem; margin-bottom: 12px; }
.step h3 { font-size: 1rem; margin-bottom: 6px; }
.step p { font-size: 0.86rem; margin: 0; color: var(--muted); }

/* ── Case studies ────────────────────────────────────────── */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
@media (max-width: 820px) { .cases { grid-template-columns: 1fr; } }
.case { background: linear-gradient(160deg, var(--navy) 0%, #102a44 100%); color: #fff; border-radius: 20px; padding: 34px; display: flex; flex-direction: column; }
@media (max-width: 640px) { .case { padding: 26px; } }
.case .tag { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: #5eead4; margin-bottom: 8px; }
.case h3 { color: #fff; font-size: 1.3rem; }
.case > p:first-of-type { flex: 1; }
.case p { color: #cbd5e1; }
.case a { color: #5eead4; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip { border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.06); border-radius: 999px; padding: 7px 14px; font-size: 0.82rem; font-weight: 600; color: #e2e8f0; }

/* ── Footer ──────────────────────────────────────────────── */
footer { background: var(--navy-900); color: #cbd5e1; padding: 48px 0 28px; }
footer .brand .name { color: #fff; }
footer .brand .name .sci { color: #5eead4; }
.foot-top { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.foot-tag { color: #5eead4; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; margin-top: 8px; }
.foot-links { display: flex; gap: 28px; flex-wrap: wrap; }
.foot-links a { color: #cbd5e1; font-weight: 600; font-size: 0.9rem; }
.foot-links a:hover { color: #fff; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 32px; padding-top: 20px; font-size: 0.8rem; color: #94a3b8; }