/* ============================================
   McLaren Laboratory — Custom Styles
   Palette: Deep Navy #0F2A4A / Warm Gold #D4A017
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy: #0F2A4A;
  --navy-light: #1A3A6A;
  --navy-dark: #091E36;
  --gold: #D4A017;
  --gold-light: #E8B82E;
  --gold-dark: #B8860F;
  --white: #FFFFFF;
  --off-white: #F7F5F0;
  --gray-50: #FAFAF8;
  --gray-100: #F0EDE6;
  --gray-200: #E0DCD3;
  --gray-400: #9E9A91;
  --gray-600: #5C5954;
  --gray-800: #2A2824;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --shadow-sm: 0 1px 3px rgba(15,42,74,0.08);
  --shadow-md: 0 4px 16px rgba(15,42,74,0.10);
  --shadow-lg: 0 8px 32px rgba(15,42,74,0.14);
  --shadow-xl: 0 16px 48px rgba(15,42,74,0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--gold-dark);
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* SKIP LINK */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
}
.skip-link:focus {
  top: 1rem;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--navy);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--gold);
}

.logo-mark {
  flex-shrink: 0;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.main-nav a {
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--navy);
  background: var(--gray-50);
}

/* NAV TOGGLE */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  position: relative;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: var(--gray-50);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  line-height: 1.3;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
  border-color: var(--gold);
}

.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212,160,23,0.35);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-navy:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15,42,74,0.3);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}

.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(9,30,54,0.92) 0%,
    rgba(15,42,74,0.85) 40%,
    rgba(26,58,106,0.70) 100%
  );
}

.geo-shape {
  position: absolute;
  opacity: 0.08;
  pointer-events: none;
}

.geo-circle-1 {
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 3px solid var(--gold);
  top: -150px;
  right: -100px;
}

.geo-rect-1 {
  width: 200px;
  height: 200px;
  background: var(--gold);
  bottom: 10%;
  right: 8%;
  transform: rotate(25deg);
  border-radius: var(--radius-md);
}

.geo-triangle {
  width: 0;
  height: 0;
  border-left: 100px solid transparent;
  border-right: 100px solid transparent;
  border-bottom: 173px solid var(--gold);
  top: 25%;
  right: 15%;
  opacity: 0.05;
  transform: rotate(-15deg);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 8rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212,160,23,0.15);
  border: 1px solid rgba(212,160,23,0.35);
  color: var(--gold-light);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.75rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
  max-width: 700px;
}

.hero-title .gold {
  color: var(--gold);
}

.hero-sub {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: rgba(255,255,255,0.78);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  max-width: 500px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

/* ============================================
   SECTION COMMON
   ============================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--gray-600);
  max-width: 560px;
  line-height: 1.7;
}

.gold {
  color: var(--gold-dark);
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding: 6rem 0;
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(212,160,23,0.06);
  pointer-events: none;
}

.services .container + .container {
  padding-top: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(212,160,23,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.services-accent {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40%;
  height: 60%;
  background: linear-gradient(135deg, transparent 50%, rgba(212,160,23,0.04) 50%);
  pointer-events: none;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding: 6rem 0;
  background: var(--white);
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-accent-block {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-lg);
}

.about-accent-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.accent-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

.accent-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.4;
  font-weight: 500;
}

.about-content .section-sub {
  margin-bottom: 1.5rem;
}

.about-content p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 2rem;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
}

/* ============================================
   RESULTS STRIP
   ============================================ */
.results-strip {
  padding: 5rem 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.results-strip::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 2px solid rgba(212,160,23,0.15);
  pointer-events: none;
}

.results-strip::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 10%;
  width: 200px;
  height: 200px;
  background: rgba(212,160,23,0.06);
  border-radius: var(--radius-md);
  transform: rotate(20deg);
  pointer-events: none;
}

.results-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.results-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.results-text p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

.results-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: 6rem 0 0;
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(212,160,23,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.contact-item span,
.contact-item a {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-item a:hover {
  color: var(--gold-dark);
}

/* FORM */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.75rem;
}

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

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,160,23,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

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

.form-privacy {
  font-size: 0.8125rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 1rem;
}

.form-success {
  text-align: center;
  padding: 2rem;
}

.form-success svg {
  margin: 0 auto 1rem;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--gray-600);
  font-size: 0.9375rem;
}

/* MAP */
.map-wrap {
  border-top: 4px solid var(--gold);
}

.map-wrap iframe {
  width: 100%;
  height: 380px;
  filter: saturate(0.8) contrast(1.05);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

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

.footer-contact p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 0.25rem;
}

.footer-contact a {
  color: rgba(255,255,255,0.6);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.5rem 0;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

.footer-legal {
  margin-top: 0.25rem;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  border: 2px solid var(--gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem);
  transition: all var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gold);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
    padding: 1rem 1.5rem 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
  }

  .main-nav a {
    display: block;
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .main-nav .btn-gold {
    text-align: center;
    justify-content: center;
    margin-top: 0.5rem;
  }

  .hero-content {
    padding: 7rem 1.5rem 3rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-accent-block {
    bottom: -1rem;
    right: 1rem;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .results-inner {
    flex-direction: column;
    text-align: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .geo-circle-1 {
    width: 300px;
    height: 300px;
    top: -80px;
    right: -60px;
  }

  .geo-rect-1 {
    width: 120px;
    height: 120px;
    right: 5%;
  }

  .geo-triangle {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .results-actions {
    flex-direction: column;
    width: 100%;
  }

  .results-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}