/* ═══════════════════════════════════════════════════════════════
   ANZELLINI CONSULTING — Website Stylesheet
   Designed to match brand identity: navy, gold, cream, steel-blue
   ═══════════════════════════════════════════════════════════════ */

/* ── Google Fonts import ──────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Jost:wght@300;400;500&family=DM+Mono:wght@300;400&display=swap');

/* ── Design tokens ────────────────────────────────────────────── */
:root {
  --navy:        #0f1620;
  --navy-mid:    #0f1e30;
  --navy-light:  #152236;
  --gold:        #c8a96e;
  --gold-pale:   #e8dfc8;
  --cream:       #faf8f4;
  --cream-warm:  #f5f0e8;
  --steel:       #5a8aaa;
  --steel-light: #4ab8e8;
  --teal:        #3a8a7a;
  --tan:         #7a5c3a;
  --mid:         #9a7a50;
  --dark:        #1e1a14;
  --rule:        #c8b090;
  --text:        #2a2118;
  --text-muted:  #7a6a58;
  --text-light:  #b0a090;

  --font-display: 'Cinzel', serif;
  --font-serif:   'Cormorant Garamond', serif;
  --font-body:    'Libre Baskerville', serif;
  --font-sans:    'Jost', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --max-w: 1100px;
  --section-pad: 96px 40px;
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--cream);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utility ──────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-top: 12px;
  line-height: 1.2;
}

.section-title.light { color: var(--gold-pale); }

.lead {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 300;
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 620px;
  line-height: 1.8;
}

.lead.light { color: var(--steel); }

/* ── Rule elements ────────────────────────────────────────────── */
.hr-dark {
  width: 100%;
  height: 3px;
  background: var(--dark);
  border: none;
  margin: 0;
}

.hr-gold {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border: none;
}

.hr-thin {
  width: 100%;
  height: 1px;
  background: var(--rule);
  border: none;
}

/* ── Spectral bar (SVG inline — see HTML) ─────────────────────── */
.spectral-divider {
  width: 100%;
  line-height: 0;
  overflow: hidden;
}

.spectral-divider svg {
  width: 100%;
  height: 18px;
}

/* ══════════════════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(15, 22, 32, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200, 169, 110, 0.15);
  transition: background 0.3s;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-logo .mark { width: 38px; height: 38px; flex-shrink: 0; }

.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-logo-name {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--gold-pale);
  line-height: 1;
}

.nav-logo-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
  line-height: 1;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(232, 223, 200, 0.7);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--gold); }

.nav-links .nav-cta {
  border: 1px solid rgba(200, 169, 110, 0.5);
  padding: 8px 20px;
  color: var(--gold);
  transition: background 0.2s, color 0.2s;
}

.nav-links .nav-cta:hover {
  background: var(--gold);
  color: var(--navy);
}

/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 60%, #0f1e30 0%, #080f18 70%, #060a12 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 48px 80px;
}

/* Subtle noise grain */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.22;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: center;
}

.hero-text { display: flex; flex-direction: column; gap: 0; }

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 20px;
  animation: fadeUp 0.8s ease both;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gold-pale);
  line-height: 1;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero-consulting {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 3vw, 30px);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-top: 6px;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-spectra {
  margin: 22px 0;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-spectra svg { height: 16px; }

.hero-descriptor {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--steel);
  animation: fadeUp 0.8s 0.35s ease both;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 300;
  font-style: italic;
  color: rgba(232, 223, 200, 0.65);
  margin-top: 28px;
  max-width: 500px;
  line-height: 1.8;
  animation: fadeUp 0.8s 0.45s ease both;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  animation: fadeUp 0.8s 0.55s ease both;
}

.btn-primary {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 32px;
  background: var(--gold);
  color: var(--navy);
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-primary:hover { background: var(--gold-pale); border-color: var(--gold-pale); }

.btn-ghost {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 32px;
  background: transparent;
  color: var(--gold-pale);
  border: 1px solid rgba(200, 169, 110, 0.4);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* Hero mark */
.hero-mark {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1.2s 0.3s ease both;
}

.hero-mark svg {
  width: 260px;
  height: 260px;
  filter: drop-shadow(0 0 40px rgba(200, 169, 110, 0.15));
}

/* Hero scroll cue */
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
  animation: fadeIn 1.4s 1s ease both;
}

.hero-scroll span {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(200, 169, 110, 0.4);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(200,169,110,0.4), transparent);
  animation: scrollPulse 2s infinite;
}

/* ══════════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════════ */
#about {
  padding: var(--section-pad);
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text { display: flex; flex-direction: column; gap: 20px; }

.about-text p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-muted);
}

.about-text p strong {
  font-weight: 700;
  color: var(--text);
}

.about-credentials {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 3px solid var(--dark);
  padding-top: 24px;
}

.credential-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.credential-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mid);
}

.credential-value {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
}

/* ══════════════════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════════════════ */
#services {
  padding: var(--section-pad);
  background: var(--navy);
  position: relative;
}

.services-header {
  max-width: var(--max-w);
  margin: 0 auto 56px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.service-card {
  background: var(--navy-light);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.25s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.service-card:hover { background: #1a2a3a; }
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.service-name {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--gold-pale);
  margin-top: 4px;
}

.service-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--steel);
}

/* ══════════════════════════════════════════════════════════════
   RESEARCH
══════════════════════════════════════════════════════════════ */
#research {
  padding: var(--section-pad);
  background: var(--cream-warm);
}

.research-inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 80px;
  align-items: start;
}

.research-sidebar {
  position: sticky;
  top: 100px;
}

.research-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.research-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.research-item:first-child { border-top: 3px solid var(--dark); }

.research-region {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.research-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.research-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════
   METHODS (spectral/isotope showcase)
══════════════════════════════════════════════════════════════ */
#methods {
  padding: var(--section-pad);
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}

.methods-bg-mark {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.04;
  pointer-events: none;
}

.methods-bg-mark svg { width: 480px; height: 480px; }

.methods-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.method-card {
  border: 1px solid rgba(200, 169, 110, 0.12);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.method-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--steel-light);
  text-transform: uppercase;
}

.method-name {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--gold-pale);
}

.method-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--steel);
}

/* ══════════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════════ */
#contact {
  padding: var(--section-pad);
  background: var(--cream);
}

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-header {
  border-top: 3px solid var(--dark);
  padding-top: 24px;
  margin-bottom: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mid);
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 10px 0;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-bottom-color: var(--gold);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit {
  margin-top: 8px;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
footer {
  background: var(--navy);
  padding: 48px 40px 32px;
  border-top: 1px solid rgba(200, 169, 110, 0.12);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}

.footer-logo { display: flex; flex-direction: column; gap: 4px; }

.footer-name {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.2em;
  color: var(--gold-pale);
}

.footer-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(232, 223, 200, 0.45);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

.footer-spectra { margin: 0; }
.footer-spectra svg { height: 12px; width: 100%; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid rgba(200, 169, 110, 0.1);
}

.footer-copy {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(232, 223, 200, 0.25);
  text-transform: uppercase;
}

.footer-rpa {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--steel);
  text-transform: uppercase;
}

/* ══════════════════════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 0.8; transform: scaleY(1.15); }
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { gap: 20px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .research-inner { grid-template-columns: 1fr; }
  .research-sidebar { position: static; }
  .methods-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
}

@media (max-width: 600px) {
  :root { --section-pad: 64px 24px; }
  nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-inner { padding: 0; }
  .container { padding: 0 24px; }
}