/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #0d1b2a;
  --navy-2:  #132337;
  --navy-3:  #1a2e45;
  --gold:    #c9a84c;
  --gold-lt: #e8c97e;
  --white:   #f5f4f0;
  --muted:   #8a9ab0;
  --border:  rgba(201,168,76,0.2);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Outfit', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  font-weight: 300;
}

/* ─── NAV ─── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 5vw;
  background: rgba(13,27,42,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none;
}
.logo-tm {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--gold);
  letter-spacing: -0.02em;
}
.logo-text {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.2;
  max-width: 120px;
}

.nav-links {
  list-style: none;
  display: flex; align-items: center; gap: 2.5rem;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy) !important;
  padding: 0.5rem 1.3rem;
  border-radius: 3px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--gold-lt) !important; }

.burger {
  display: none;
  background: none; border: none;
  color: var(--white); font-size: 1.5rem; cursor: pointer;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 10rem 5vw 6rem;
  position: relative; overflow: hidden;
}

.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black 40%, transparent 100%);
}

.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 200px;
  background: linear-gradient(to top, var(--navy), transparent);
}

.hero-inner {
  position: relative; z-index: 1;
  max-width: 820px;
}

.hero-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.8rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block; width: 30px; height: 1px; background: var(--gold);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  font-weight: 600;
  line-height: 1.0;
  margin-bottom: 1.8rem;
  letter-spacing: -0.01em;
}
h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 55ch;
  margin-bottom: 2.5rem;
}

.cta-group {
  display: flex; gap: 1rem; flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  font-size: 0.75rem; letter-spacing: 0.15em; color: var(--muted);
  z-index: 2;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center;
  padding: 0.8rem 2rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.22s;
  letter-spacing: 0.03em;
  border: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover { background: var(--gold-lt); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.3); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* ─── SECTION COMMONS ─── */
.section-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 0.7rem;
}
.section-tag::before {
  content: '';
  display: inline-block; width: 22px; height: 1px; background: var(--gold);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: 3.5rem;
  color: var(--white);
}
.section-title em { color: var(--gold); font-style: italic; }

/* ─── VALUES ─── */
.values {
  padding: 8rem 5vw;
  border-top: 1px solid var(--border);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.value-card {
  background: var(--navy);
  padding: 3rem 2.5rem;
  transition: background 0.3s;
}
.value-card:hover { background: var(--navy-2); }
.value-card.featured {
  background: var(--navy-2);
  border-top: 2px solid var(--gold);
}
.value-number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--border);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1;
}
.value-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--white);
}
.value-card p { color: var(--muted); line-height: 1.8; font-size: 0.93rem; }

/* ─── WHY TRACEABILITY ─── */
.why-trace {
  padding: 8rem 5vw;
  border-top: 1px solid var(--border);
  background: var(--navy-2);
}
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.why-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.why-intro {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 1rem;
}
.why-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.why-list li {
  display: flex; gap: 1rem; align-items: flex-start;
  color: var(--muted); font-size: 0.95rem; line-height: 1.6;
}
.check {
  color: var(--gold);
  font-size: 1rem;
  margin-top: 0.1rem;
  flex-shrink: 0;
}
.why-list strong { color: var(--white); font-weight: 500; }

/* Trace visual */
.trace-box {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.trace-step {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  background: var(--navy-2);
  font-size: 0.9rem;
  color: var(--muted);
  transition: all 0.3s;
}
.trace-step.active { border-color: var(--gold); color: var(--white); }
.trace-step.highlight { border-color: var(--gold); background: rgba(201,168,76,0.1); color: var(--gold); }
.ts-num {
  width: 28px; height: 28px;
  background: var(--gold); color: var(--navy);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 600; flex-shrink: 0;
}
.trace-step:not(.active) .ts-num { background: rgba(255,255,255,0.08); color: var(--muted); }
.trace-step.highlight .ts-num { background: var(--gold); color: var(--navy); }
.trace-arrow { text-align: center; color: var(--border); font-size: 0.9rem; }

/* ─── USE CASE PREVIEW ─── */
.uc-preview {
  padding: 8rem 5vw;
  border-top: 1px solid var(--border);
}
.uc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.uc-card {
  display: block;
  padding: 2.5rem;
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.3s;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.uc-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.uc-card:hover { border-color: var(--border); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.uc-card:hover::before { transform: scaleX(1); }
.uc-icon { font-size: 2rem; margin-bottom: 1.2rem; }
.uc-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
}
.uc-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.uc-link { font-size: 0.85rem; color: var(--gold); font-weight: 500; }

/* ─── TOOLS STRIP ─── */
.tools-strip {
  padding: 4rem 5vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--navy-2);
  text-align: center;
}
.tools-label {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}
.tools-row {
  display: flex; align-items: center; justify-content: center;
  gap: 1.5rem; flex-wrap: wrap;
}
.tool-badge {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 700;
  color: var(--white); letter-spacing: 0.04em;
}
.tool-divider { color: var(--gold); font-size: 1rem; }

/* ─── FOOTER ─── */
footer {
  padding: 4rem 5vw 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 2rem;
  margin-bottom: 3rem;
}
.footer-brand p { color: var(--muted); font-size: 0.88rem; margin-top: 0.3rem; }
.footer-links {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
}
.footer-links a {
  color: var(--muted); text-decoration: none; font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.78rem; color: var(--muted);
}

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  padding: 10rem 5vw 5rem;
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.page-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 600;
  max-width: 14ch;
  position: relative; z-index: 1;
}
.page-hero p {
  color: var(--muted); max-width: 55ch;
  line-height: 1.8; margin-top: 1.2rem;
  position: relative; z-index: 1;
}

/* ─── CONTENT SECTIONS ─── */
.content-section {
  padding: 6rem 5vw;
  border-top: 1px solid var(--border);
}
.content-section:nth-child(even) { background: var(--navy-2); }

.content-inner {
  max-width: 900px; margin: 0 auto;
}
.content-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.content-inner p {
  color: var(--muted); line-height: 1.85; margin-bottom: 1.2rem;
  font-size: 0.97rem;
}
.content-inner strong { color: var(--white); font-weight: 500; }

/* ─── USE CASE DETAIL ─── */
.uc-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start;
}
.uc-detail-text h3 {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 600;
  margin-bottom: 1rem;
}
.uc-detail-text p {
  color: var(--muted); line-height: 1.85; margin-bottom: 1rem; font-size: 0.96rem;
}
.uc-highlight-box {
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  padding: 1.5rem;
  font-size: 0.93rem; color: var(--muted); line-height: 1.7;
}
.uc-highlight-box strong { color: var(--gold); display: block; margin-bottom: 0.4rem; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* ─── TOOL TABLE ─── */
.tool-table {
  width: 100%; border-collapse: collapse; margin-top: 2rem;
}
.tool-table th {
  text-align: left; padding: 0.8rem 1.2rem;
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.tool-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--muted); font-size: 0.92rem;
  vertical-align: top;
}
.tool-table td:first-child { color: var(--white); font-weight: 500; }
.tool-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ─── CONTACT FORM ─── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
}
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block; font-size: 0.8rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3px;
  padding: 0.85rem 1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.93rem;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--gold); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select option { background: var(--navy-2); }

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 600;
  margin-bottom: 1.5rem;
}
.contact-detail {
  display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start;
}
.contact-detail-icon { font-size: 1.2rem; margin-top: 0.1rem; }
.contact-detail-text p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; margin: 0; }
.contact-detail-text strong { color: var(--white); font-weight: 500; display: block; margin-bottom: 0.2rem; }

/* ─── REVEAL ANIMATION ─── */
.reveal { opacity: 0; transform: translateY(24px); animation: revealUp 0.8s forwards; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
@keyframes revealUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .why-inner, .uc-detail, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 640px) {
  .burger { display: block; }
  .nav-links {
    display: none; flex-direction: column;
    position: fixed; inset: 0; top: 70px;
    background: var(--navy); padding: 3rem 2rem;
    gap: 1.8rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.1rem; }
  .cta-group { flex-direction: column; }
  .btn { text-align: center; justify-content: center; }
}