@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Rajdhani:wght@300;400;500;600;700&family=Inter:wght@300;400;500&display=swap');

:root {
  --obsidian: #0d0a08;
  --carbon: #130f0b;
  --graphite: #1c1510;
  --slate: #261e16;
  --ash: #4a3828;
  --mist: #8a7060;
  --silver: #c4a882;
  --ivory: #f0e8d8;
  --cream: #f5ede0;
  --gold: #c8a96e;
  --gold-light: #e4c98a;
  --gold-dark: #9a7a45;
  --copper: #b87333;
  --bronze: #cd7f32;
  --chassis: #2a1f14;
  --edge: rgba(200,169,110,0.6);
  --isf-grad: linear-gradient(135deg, #1a0000 0%, #8b0000 12%, #cc4400 24%, #cc8800 36%, #888800 48%, #006600 60%, #006688 72%, #000088 84%, #440088 100%);
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--obsidian);
  color: var(--ivory);
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.label {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  border-bottom: 1px solid rgba(200,169,110,0.1);
  background: rgba(13,10,8,0.95);
  backdrop-filter: blur(20px);
}

nav.scrolled {
  border-bottom: 1px solid rgba(200,169,110,0.25);
  padding: 0.8rem 4rem;
}

.nav-wordmark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--ivory);
  line-height: 1.2;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.nav-wordmark div {
  display: flex;
  flex-direction: column;
}

.nav-wordmark span {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 100%;
  height: 1px;
  background: var(--gold);
  transition: right 0.3s ease;
}

.nav-links a:hover { color: var(--ivory); }
.nav-links a:hover::after { right: 0; }

.nav-cta {
  color: var(--obsidian) !important;
  background: var(--gold);
  padding: 0.6rem 1.5rem;
  font-family: 'Rajdhani', sans-serif !important;
  font-weight: 600 !important;
  letter-spacing: 0.2em !important;
}

.nav-cta:hover { background: var(--gold-light); }
.nav-cta::after { display: none !important; }

/* HERO */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 55% 45%, rgba(90,55,20,0.35) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 85% 15%, rgba(139,90,43,0.2) 0%, transparent 55%),
    radial-gradient(ellipse 50% 70% at 5% 85%, rgba(61,35,12,0.7) 0%, transparent 55%),
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(42,20,8,0.8) 0%, transparent 60%),
    var(--obsidian);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,169,110,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,169,110,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

/* Chassis edge effect */
.hero-bg::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--copper), var(--gold), transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 4rem;
  max-width: 900px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero-eyebrow::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.hero-headline {
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 300;
  color: var(--ivory);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.5s forwards;
}

.hero-headline em { font-style: italic; color: var(--gold); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--silver);
  max-width: 500px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.7s forwards;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.9s forwards;
}

.btn-primary {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--obsidian);
  background: var(--gold);
  padding: 1rem 2.5rem;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
  border: 1px solid var(--gold);
}

.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(200,169,110,0.3); }

.btn-ghost {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ivory);
  background: transparent;
  padding: 1rem 2.5rem;
  text-decoration: none;
  border: 1px solid rgba(200,169,110,0.5);
  transition: var(--transition);
  display: inline-block;
}

.btn-ghost:hover { border-color: var(--gold); color: var(--gold); box-shadow: 0 0 20px rgba(200,169,110,0.1); }

.hero-stats {
  position: absolute;
  right: 4rem;
  bottom: 6rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  z-index: 2;
  opacity: 0;
  animation: fadeLeft 0.8s ease 1.1s forwards;
}

.stat-item {
  text-align: right;
  border-right: 1px solid rgba(200,169,110,0.4);
  padding-right: 1.5rem;
}

.stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.stat-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.3s forwards;
}

.hero-scroll span {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mist);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(var(--gold), transparent);
  animation: scrollPulse 2s ease infinite;
}

section { position: relative; z-index: 1; }

.section-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 4rem;
}

/* SERVICES */
#services {
  padding: 8rem 0;
  background: var(--carbon);
  border-top: 1px solid rgba(200,169,110,0.1);
  border-bottom: 1px solid rgba(200,169,110,0.1);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 5rem;
}

.section-header h2 { font-size: clamp(2.5rem, 4vw, 4rem); color: var(--ivory); }
.section-header p { max-width: 350px; color: var(--mist); font-size: 0.95rem; text-align: right; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(200,169,110,0.15);
  border: 1px solid rgba(200,169,110,0.15);
}

.service-card {
  background: var(--carbon);
  padding: 3rem 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,169,110,0.2), transparent);
}

.service-card:hover { background: var(--graphite); }
.service-card:hover::before { transform: scaleX(1); }

.service-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem;
  font-weight: 300;
  color: #e4c240;
  text-shadow: 0 0 20px rgba(228,194,64,0.5);
  line-height: 1;
  margin-bottom: 1rem;
}

.service-card h3 { font-size: 1.6rem; color: var(--ivory); margin-bottom: 1rem; }
.service-card p { color: var(--mist); font-size: 0.9rem; line-height: 1.8; }

.service-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  transition: var(--transition);
}

.service-more:hover { gap: 0.8rem; }

/* CALIBRATION BANDS */
.cal-band {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cal-band::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--isf-grad);
}

.cal-band::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: rgba(200,169,110,0.1);
}

#isf-band {
  background: linear-gradient(135deg,
    rgba(139,0,0,0.85) 0%,
    rgba(160,60,0,0.85) 15%,
    rgba(150,100,0,0.85) 30%,
    rgba(80,100,0,0.8) 45%,
    rgba(0,80,80,0.85) 60%,
    rgba(0,0,120,0.9) 75%,
    rgba(50,0,100,0.95) 90%,
    rgba(20,0,40,1) 100%
  );
}

#dirac-band {
  background: linear-gradient(135deg,
    #0a0a1a 0%,
    #0d1428 25%,
    #0a1f3a 50%,
    #061828 75%,
    #030d1a 100%
  );
}

#dirac-band::before {
  background: linear-gradient(90deg, #00d4ff, #0088ff, #0044cc, #002299);
}

#ha-band {
  background: linear-gradient(135deg,
    #051a05 0%,
    #0a2e0a 25%,
    #0d3d1a 50%,
    #0a2e10 75%,
    #051a08 100%
  );
}

#ha-band::before {
  background: linear-gradient(90deg, #00ff88, #00cc66, #009944, #006622);
}

.cal-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}

.cal-cta a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.95);
  padding: 1rem 2.5rem;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
  display: block;
  border: 1px solid transparent;
}

.cal-cta a:hover { background: white; transform: translateY(-2px); }

#isf-band .cal-cta a { color: #3a0010; }
#dirac-band .cal-cta a { color: #001440; }
#ha-band .cal-cta a { color: #002210; }

/* ABOUT */
#about { padding: 8rem 0; background: var(--obsidian); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 6rem;
  align-items: start;
}

.about-img-frame {
  position: relative;
  width: 380px;
  height: 500px;
  overflow: hidden;
  border: 1px solid rgba(200,169,110,0.2);
  box-shadow: 4px 4px 0 rgba(200,169,110,0.1), -1px -1px 0 rgba(200,169,110,0.05);
}

.about-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.about-text h2 { font-size: clamp(2.5rem, 3.5vw, 3.5rem); color: var(--ivory); margin-bottom: 2rem; }
.about-text > p { color: var(--silver); margin-bottom: 1.5rem; line-height: 1.9; font-size: 0.95rem; }

.about-quote {
  border-left: 2px solid var(--gold);
  padding-left: 1.5rem;
  margin: 2.5rem 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-style: italic;
  color: var(--ivory);
  line-height: 1.6;
}

.about-quote cite {
  display: block;
  font-style: normal;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 0.8rem;
}

.expertise-list { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; margin-top: 2rem; }

.expertise-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.expertise-list li::before { content: ''; width: 20px; height: 1px; background: var(--gold); flex-shrink: 0; }

.fletcher-card {
  margin-top: 4rem;
  padding: 2rem;
  border: 1px solid rgba(200,169,110,0.15);
  border-left: 3px solid rgba(200,169,110,0.4);
  background: rgba(200,169,110,0.03);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.fletcher-badge { font-family: 'Cormorant Garamond', serif; font-size: 3rem; line-height: 1; }

.fletcher-card h4 { font-size: 1.2rem; color: var(--ivory); margin-bottom: 0.3rem; }
.fletcher-card p { color: var(--mist); font-size: 0.85rem; }
.fletcher-quote { font-family: 'Cormorant Garamond', serif; font-style: italic; color: var(--gold); font-size: 0.95rem; margin-top: 0.5rem; }

/* WHY */
#why { padding: 8rem 0; background: var(--carbon); border-top: 1px solid rgba(200,169,110,0.08); }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; margin-top: 5rem; }

.why-card {
  padding: 2.5rem 2rem;
  border: 1px solid rgba(200,169,110,0.12);
  border-top: 2px solid rgba(200,169,110,0.4);
  background: rgba(200,169,110,0.02);
  transition: var(--transition);
}

.why-card:hover { border-color: rgba(200,169,110,0.3); background: rgba(200,169,110,0.04); }
.why-card h3 { font-size: 1.3rem; color: var(--ivory); margin-bottom: 1rem; }
.why-card p { color: var(--mist); font-size: 0.9rem; line-height: 1.8; }

/* CONTACT */
#contact { padding: 8rem 0; background: var(--obsidian); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 6rem; }

.contact-info h2 { font-size: clamp(2.5rem, 3.5vw, 3.5rem); color: var(--ivory); margin-bottom: 1.5rem; }
.contact-info > p { color: var(--mist); margin-bottom: 3rem; line-height: 1.8; }

.contact-details { display: flex; flex-direction: column; gap: 1.5rem; }

.contact-item { display: flex; align-items: flex-start; gap: 1rem; }

.contact-item-icon {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
  font-size: 1rem;
}

.contact-item-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.2rem;
}

.contact-item-value { color: var(--ivory); text-decoration: none; font-size: 0.95rem; transition: var(--transition); display: block; }
.contact-item-value:hover { color: var(--gold); }

.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }

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

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-group label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(200,169,110,0.2);
  color: var(--ivory);
  padding: 0.9rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(200,169,110,0.5);
  background: rgba(255,255,255,0.05);
}

.form-group select option {
  background: #1c1510;
  color: var(--ivory);
}

.form-group select option:disabled {
  color: var(--mist);
  background: #1c1510;
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* FOOTER */
footer {
  background: var(--chassis);
  border-top: 1px solid rgba(200,169,110,0.2);
  padding: 3rem 0;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.footer-social {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200,169,110,0.25);
  color: var(--mist);
  transition: var(--transition);
  text-decoration: none;
}

.social-icon svg { width: 16px; height: 16px; }
.social-icon:hover { border-color: var(--gold); color: var(--gold); }

.footer-links { display: flex; gap: 2rem; list-style: none; }

.footer-links a {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  text-decoration: none;
  transition: var(--transition);
}

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

/* MOBILE NAV */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--ivory);
  transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13,10,8,0.98);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--ivory);
  text-decoration: none;
  transition: var(--transition);
}

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

.nav-mobile .nav-cta {
  font-family: 'Rajdhani', sans-serif !important;
  font-size: 0.8rem !important;
  background: var(--gold);
  color: var(--obsidian) !important;
  padding: 1rem 2.5rem;
}

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  nav, nav.scrolled { padding: 1.2rem 2rem; }
  .section-inner { padding: 0 2rem; }
  .hero-content { padding: 0 2rem; }
  .hero-stats { right: 2rem; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-img-frame { width: 100%; max-width: 380px; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { padding: 0 2rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-stats { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .section-header p { text-align: left; }
  .cal-content { flex-direction: column; gap: 2rem; }
  .cal-left { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
}