/* ==========================================================================
   Bhor Tech — Operational Intelligence Platform
   Shared stylesheet
   Palette derived from the BhorTech logo: deep navy + copper/bronze accent
   ========================================================================== */

:root {
  /* Brand */
  --navy:        #1a3c66;
  --navy-deep:   #12294a;
  --navy-800:    #16345c;
  --copper:      #c8792f;
  --copper-600:  #b5651d;
  --copper-300:  #e2a463;
  --copper-glow: rgba(200, 121, 47, 0.14);

  /* Neutrals */
  --cream:       #fdfaf6;
  --cream-2:     #f6efe6;
  --ink:         #1f2a37;
  --muted:       #5b6b7f;
  --line:        #e7ddce;
  --white:       #ffffff;

  /* Effects */
  --radius:      14px;
  --radius-lg:   22px;
  --shadow-sm:   0 1px 2px rgba(18, 41, 74, 0.06), 0 2px 8px rgba(18, 41, 74, 0.05);
  --shadow-md:   0 10px 30px rgba(18, 41, 74, 0.10);
  --shadow-lg:   0 24px 60px rgba(18, 41, 74, 0.16);
  --maxw:        1160px;

  --font-head: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }

p  { margin: 0 0 1rem; }
a  { color: var(--copper-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .74rem;
  font-weight: 600;
  color: var(--copper-600);
  margin: 0 0 .9rem;
}

.section      { padding: 88px 0; }
.section-tight{ padding: 60px 0; }
.section-alt  { background: var(--cream-2); }
.section-navy {
  background: linear-gradient(160deg, var(--navy-deep), var(--navy) 70%);
  color: #e8eef6;
}
.section-navy h1,
.section-navy h2,
.section-navy h3 { color: #fff; }

.center     { text-align: center; }
.lead       { font-size: 1.18rem; color: var(--muted); max-width: 720px; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--copper-600), var(--copper));
  color: #fff;
  box-shadow: 0 8px 22px var(--copper-glow);
}
.btn-primary:hover { box-shadow: 0 12px 30px rgba(200,121,47,.30); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.section-navy .btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: var(--copper); color: var(--copper-600); }
.section-navy .btn-ghost:hover { color: #fff; border-color: #fff; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.center .btn-row { justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253, 250, 246, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 40px; width: auto; border-radius: 8px; }
.brand .brand-name {
  font-family: var(--font-head); font-weight: 700;
  font-size: 1.15rem; color: var(--navy); letter-spacing: -0.01em;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--ink); font-weight: 500; font-size: .95rem;
  padding: 8px 14px; border-radius: 8px;
}
.nav-links a:hover { background: var(--cream-2); text-decoration: none; }
.nav-links a.active { color: var(--copper-600); }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1100px 500px at 78% -8%, var(--copper-glow), transparent 60%),
    linear-gradient(180deg, var(--cream), var(--cream));
  padding: 84px 0 72px;
  overflow: hidden;
}
.hero h1 { max-width: 15ch; }
.hero .tagline {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: var(--copper-600);
  margin: 0 0 1.4rem;
}
.hero .lead { margin-bottom: 2rem; }

/* ---------- Grid & cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--copper-300); }
.card h3 { margin-bottom: .35rem; }
.card p  { color: var(--muted); margin: 0; font-size: .96rem; }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--copper-glow), rgba(26,60,102,.08));
  font-size: 1.4rem;
}

/* Domain group card */
.domain { }
.domain h3 {
  display: flex; align-items: center; gap: 10px;
  color: var(--navy); font-size: 1.05rem;
  padding-bottom: 12px; margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.domain h3 .dot { width: 10px; height: 10px; border-radius: 3px; background: var(--copper); }
.domain ul { list-style: none; margin: 0; padding: 0; }
.domain li { padding: 5px 0; color: var(--muted); font-size: .95rem; }
.domain li::before { content: "›"; color: var(--copper); margin-right: 8px; font-weight: 700; }

/* ---------- Flow diagram (methodology) ---------- */
.flow-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.flow-col {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm);
}
.flow-col.highlight {
  border-color: var(--copper-300);
  background: linear-gradient(180deg, #fff, #fffaf3);
  box-shadow: var(--shadow-md);
}
.flow-col .tag {
  display: inline-block; font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .12em;
  padding: 5px 12px; border-radius: 999px; margin-bottom: 6px;
}
.tag.grey { background: #eef1f5; color: var(--muted); }
.tag.gold { background: var(--copper-glow); color: var(--copper-600); }
.flow-steps { list-style: none; margin: 14px 0 0; padding: 0; counter-reset: step; }
.flow-steps li {
  position: relative; padding: 10px 0 10px 6px; font-weight: 500;
  color: var(--navy);
}
.flow-steps li + li { border-top: 1px dashed var(--line); }
.flow-steps li .n { color: var(--copper); font-weight: 700; margin-right: 8px; }
.flow-col.muted .flow-steps li { color: var(--muted); font-weight: 400; }
.flow-note { margin-top: 16px; font-size: .9rem; color: var(--muted); }
.flow-col.highlight .flow-note strong { color: var(--copper-600); }

/* ---------- Phase timeline (platform) ---------- */
.phases { display: grid; gap: 20px; }
.phase {
  display: grid; grid-template-columns: 86px 1fr; gap: 22px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 28px; box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, border-color .2s ease;
}
.phase:hover { box-shadow: var(--shadow-md); border-color: var(--copper-300); }
.phase .num {
  font-family: var(--font-head); font-weight: 700;
  font-size: 1.05rem; color: var(--copper-600);
}
.phase .num span { display: block; font-size: 2.4rem; line-height: 1; color: var(--navy); }
.phase h3 { margin-bottom: .5rem; }
.phase p { color: var(--muted); margin: 0 0 .8rem; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  font-size: .82rem; padding: 5px 12px; border-radius: 999px;
  background: var(--cream-2); color: var(--navy); border: 1px solid var(--line);
}
.qa { background: var(--cream-2); border-left: 3px solid var(--copper); padding: 10px 16px; border-radius: 8px; margin: 6px 0; font-style: italic; color: var(--navy); }

/* ---------- Stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat { text-align: center; }
.stat .big { font-family: var(--font-head); font-size: 2rem; font-weight: 700; color: #fff; }
.stat .lbl { color: #b9c6d8; font-size: .9rem; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band .lead { color: #cdd8e8; }

/* ---------- Contact form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .9rem; color: var(--navy); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: .98rem;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--white); color: var(--ink); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--copper); box-shadow: 0 0 0 3px var(--copper-glow);
}
.field textarea { resize: vertical; min-height: 120px; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; }
.check {
  display: flex; align-items: center; gap: 8px; font-size: .92rem;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  cursor: pointer; background: var(--white);
}
.check input { accent-color: var(--copper); }
.form-note { font-size: .88rem; color: var(--muted); }
.form-banner {
  padding: 14px 18px; border-radius: 10px; margin-bottom: 20px;
  font-size: .95rem; font-weight: 500;
}
.form-banner.ok  { background: #eef7ee; border: 1px solid #cfe6cf; color: #245c2a; }
.form-banner.err { background: #fdecea; border: 1px solid #f5c6c0; color: #9b2c22; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep); color: #c3cede; padding: 56px 0 28px;
}
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.footer-brand .chip {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; padding: 6px 14px 6px 8px; border-radius: 12px;
}
.footer-brand .chip img { height: 34px; border-radius: 6px; }
.footer-brand .chip span { font-family: var(--font-head); font-weight: 700; color: var(--navy); }
.footer-brand p { color: #93a3ba; margin-top: 16px; max-width: 34ch; font-size: .93rem; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 12px; }
.footer-col a { display: block; color: #b3c0d3; padding: 4px 0; font-size: .93rem; }
.footer-col a:hover { color: var(--copper-300); text-decoration: none; }
.footer-bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: #7f90a8; font-size: .86rem;
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.mb-lg { margin-bottom: 48px; }
.trademark { font-size: .7em; vertical-align: super; color: var(--copper-600); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow-compare { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 1fr; gap: 10px; }
  .phase .num span { font-size: 1.8rem; }
  .footer-top { grid-template-columns: 1fr; }
  .nav-links {
    position: absolute; top: 70px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--cream); border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 8px; }
  .nav-toggle { display: block; font-size: 1.5rem; color: var(--navy); }
}