/* ===== TOKENS ===== */
:root {
  --navy: #0B1628;
  --navy-mid: #162236;
  --gold: #C9A84C;
  --gold-light: #E8D49A;
  --white: #FFFFFF;
  --off-white: #F7F8FA;
  --mint: #E8F5F0;
  --mint-dark: #C8EBE0;
  --text: #1A2540;
  --muted: #6B7A99;
  --border: #E2E8F0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(11,22,40,0.08);
  --shadow-lg: 0 12px 48px rgba(11,22,40,0.14);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --transition: 0.25s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { color: var(--muted); font-size: 1rem; line-height: 1.7; }
em { font-style: italic; color: var(--gold); }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.eyebrow.gold { color: var(--gold); }

/* ===== HEADER / NAV ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-icon {
  height: 52px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.logo-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
}
.logo-text em {
  font-size: 0.85rem;
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }

.nav-cta {
  padding: 0.55rem 1.4rem;
  background: var(--navy);
  color: var(--white) !important;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta:hover { background: var(--gold) !important; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 0 2rem 1rem;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 0.8rem 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border: none; color: var(--gold); font-weight: 600; }

/* ===== SOCIAL BAR ===== */
.social-bar {
  position: fixed;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.social-bar a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--muted);
  transition: all var(--transition);
  box-shadow: var(--shadow);
}
.social-bar a:hover {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
  transform: translateX(3px);
}
.social-bar svg { width: 15px; height: 15px; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.8rem;
  background: var(--gold);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50px;
  transition: all var(--transition);
  box-shadow: 0 4px 14px rgba(201,168,76,0.35);
  white-space: nowrap;
}
.btn-primary:hover {
  background: #b8943e;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.4);
}
.btn-primary.large { padding: 1rem 2.2rem; font-size: 1rem; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.8rem;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover {
  border-color: var(--navy);
  background: var(--off-white);
  transform: translateY(-2px);
}
.btn-ghost.large { padding: 1rem 2.2rem; font-size: 1rem; }

.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.8rem;
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 50px;
  border: 1.5px solid rgba(255,255,255,0.35);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}
.btn-ghost-light.large { padding: 1rem 2.2rem; font-size: 1rem; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  background: transparent;
  color: var(--navy);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 50px;
  border: 1.5px solid var(--navy);
  width: 100%;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 100px 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.hero-content {}
.hero-content .eyebrow { margin-bottom: 1rem; }

.hero-content h1 {
  margin-bottom: 1.2rem;
  color: var(--navy);
}
.hero-content p {
  font-size: 1.1rem;
  max-width: 480px;
  margin-bottom: 2rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--off-white);
  border-radius: var(--radius);
  width: fit-content;
}
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.3rem; font-weight: 700; color: var(--navy); font-family: var(--font-display); }
.stat span { font-size: 0.75rem; color: var(--muted); }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
}

.tooth-graphic {
  position: relative;
  width: 220px;
  height: 260px;
}
.tooth-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 16px 40px rgba(201,168,76,0.2));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.tooth-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

.floating-card {
  position: absolute;
  bottom: 40px;
  left: -20px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.2rem;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--gold);
  animation: float 4s ease-in-out infinite 1s;
}
.floating-card-icon { font-size: 1.4rem; }
.floating-card strong { display: block; font-size: 0.8rem; color: var(--navy); font-family: var(--font-display); }
.floating-card span { font-size: 0.72rem; color: var(--muted); }

.floating-badge {
  position: absolute;
  top: 40px;
  right: -10px;
  padding: 0.5rem 1rem;
  background: var(--mint);
  color: #1a7a5a;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 50px;
  animation: float 4s ease-in-out infinite 2s;
  border: 1px solid var(--mint-dark);
}

/* ===== SECTIONS ===== */
.section {
  padding: 6rem 2rem;
}
.section-dark {
  background: var(--navy);
}
.section-dark h2 { color: var(--white); }
.section-dark p { color: #8899BB; }
.section-dark .eyebrow.gold { color: var(--gold); }

.section-mint {
  background: var(--mint);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}
.section-header.light h2 { color: var(--white); }
.section-header h2 { color: var(--navy); margin-bottom: 0.75rem; }
.section-header p { font-size: 1rem; }

/* ===== GRIDS ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* ===== PROBLEM CARDS ===== */
.problem-card {
  padding: 2rem;
  background: var(--off-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gold-light);
}
.problem-icon { font-size: 2rem; margin-bottom: 1rem; }
.problem-card h3 { color: var(--navy); margin-bottom: 0.5rem; }

/* ===== SERVICE CARDS ===== */
.service-card {
  padding: 2rem;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition);
  position: relative;
}
.service-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}
.service-card h3 { color: var(--white); margin-bottom: 0.5rem; }
.service-card p { color: #8899BB; margin-bottom: 1.5rem; }

.featured-service {
  border-color: rgba(201,168,76,0.4);
  background: rgba(201,168,76,0.08);
}
.featured-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 50px;
  margin-bottom: 1rem;
}
.service-icon { font-size: 2rem; margin-bottom: 1rem; }
.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  transition: letter-spacing var(--transition);
}
.card-link:hover { letter-spacing: 0.03em; }

/* ===== STEPS ===== */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}
.step {
  flex: 1;
  padding: 2rem;
  background: var(--off-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.step h3 { color: var(--navy); margin-bottom: 0.5rem; font-size: 1rem; }

.step-arrow {
  font-size: 1.5rem;
  color: var(--gold);
  margin-top: 2.5rem;
  flex-shrink: 0;
}

/* ===== PRICING ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--mint-dark);
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card h3 {
  color: var(--navy);
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}
.pricing-desc { font-size: 0.85rem; margin-bottom: 1.5rem; }

.pricing-amount {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.pricing-amount sup { font-size: 1.2rem; vertical-align: top; margin-top: 0.5rem; display: inline-block; }

.pricing-note { font-size: 0.78rem; margin-bottom: 1.5rem; }

.pricing-features {
  list-style: none;
  margin-bottom: 1.5rem;
}
.pricing-features li {
  font-size: 0.87rem;
  color: var(--text);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border: none; }

.pricing-featured {
  background: var(--navy);
  border-color: var(--navy);
  transform: scale(1.03);
}
.pricing-featured:hover { transform: scale(1.03) translateY(-4px); }
.pricing-featured h3 { color: var(--white); }
.pricing-featured .pricing-amount { color: var(--gold); }
.pricing-featured .pricing-desc,
.pricing-featured .pricing-note { color: #8899BB; }
.pricing-featured .pricing-features li { color: #D0D9EC; border-color: rgba(255,255,255,0.1); }

.pricing-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 50px;
  margin-bottom: 1rem;
}
.pricing-featured .btn-primary { width: 100%; justify-content: center; }

/* ===== CASE STUDY ===== */
.case-study {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  background: var(--off-white);
  border-radius: 24px;
  padding: 4rem;
  border: 1px solid var(--border);
}
.case-content h2 { color: var(--navy); margin-bottom: 1rem; }
.case-content p { margin-bottom: 2rem; }

.case-results {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}
.result-item {
  text-align: center;
  padding: 1rem;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.result-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
}
.result-item span { font-size: 0.72rem; color: var(--muted); }

.case-quote {
  grid-column: 1 / -1;
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text) !important;
  padding: 1rem;
  background: var(--mint);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold);
}
.case-attr {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--muted) !important;
  padding: 0 1rem;
}

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  padding: 2rem;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}
.testimonial-card p {
  color: #D0D9EC;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.featured-testimonial {
  border-color: rgba(201,168,76,0.3);
  background: rgba(201,168,76,0.06);
}

.stars { color: var(--gold); font-size: 0.9rem; margin-bottom: 1rem; letter-spacing: 2px; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.testimonial-author strong { display: block; color: var(--white); font-size: 0.87rem; }
.testimonial-author span { font-size: 0.75rem; color: #8899BB; }

/* ===== FAQ ===== */
.faq {
  max-width: 720px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  transition: color var(--transition);
}
.faq-q:hover { color: var(--gold); }
.faq-arrow {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--gold);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-a {
  display: none;
  padding-bottom: 1.25rem;
}
.faq-a p { color: var(--muted); font-size: 0.95rem; }
.faq-item.open .faq-a { display: block; }

/* ===== FINAL CTA ===== */
.final-cta {
  background: var(--navy);
  padding: 6rem 2rem;
  text-align: center;
}
.cta-content { max-width: 600px; margin: 0 auto; }
.cta-content h2 { color: var(--white); margin-bottom: 1rem; }
.cta-content p { color: #8899BB; margin-bottom: 2.5rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy-mid);
  padding: 5rem 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 4rem;
}

.footer-brand .logo-text { color: var(--white); }
.footer-brand .logo-icon {
  height: 52px;
  background: var(--white);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  box-sizing: content-box;
}
.footer-brand p {
  color: #8899BB;
  font-size: 0.87rem;
  margin-top: 0.75rem;
  margin-bottom: 1.5rem;
  max-width: 280px;
}
.footer-social { display: flex; gap: 1rem; }
.footer-social a {
  font-size: 0.8rem;
  font-weight: 500;
  color: #8899BB;
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--gold); }

.footer-links h4, .footer-contact h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
}
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { font-size: 0.87rem; color: #8899BB; transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }

.footer-contact { display: flex; flex-direction: column; gap: 0; }
.footer-contact p {
  font-size: 0.85rem;
  color: #8899BB;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  margin: 0;
}
.footer-contact p:last-child { border: none; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 1.5rem 0;
  text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: #4a5880; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 110px; gap: 2rem; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { margin: 0 auto; }
  .hero-visual { min-height: 320px; }

  .grid-3 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
  .pricing-featured { transform: none; }
  .pricing-featured:hover { transform: translateY(-4px); }
  .steps { flex-direction: column; align-items: stretch; }
  .step-arrow { transform: rotate(90deg); align-self: center; margin-top: 0; }
  .case-study { grid-template-columns: 1fr; padding: 2rem; }
  .case-results { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .social-bar {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    transform: none;
    flex-direction: row;
    justify-content: center;
    gap: 1.25rem;
    padding: 0.6rem 0;
    background: var(--white);
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  body { padding-bottom: 56px; }
  .section { padding: 4rem 1.5rem; }
  .final-cta { padding: 4rem 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
  .hero { padding: 100px 1.5rem 4rem; }
  .case-results { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 1rem; flex-wrap: wrap; justify-content: center; }
  .stat-divider { display: none; }
}

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: none;
}