/* ============================================
   INVISALIGN LANDING PAGE
   Montserrat — Full Conversion Funnel
   ============================================ */

:root {
  --navy:        #0b1623;
  --navy-mid:    #111e30;
  --navy-light:  #162740;
  --teal:        #1a9e8f;
  --teal-hover:  #17877a;
  --teal-glow:   rgba(26, 158, 143, .3);
  --teal-pale:   rgba(26, 158, 143, .08);
  --gold:        #c9a84c;
  --gold-soft:   #e0c36a;
  --gold-pale:   rgba(201, 168, 76, .1);

  --white:       #ffffff;
  --off-white:   #f8f9fb;
  --cream:       #fdfcf8;
  --gray-50:     #f1f2f5;
  --gray-100:    #e3e5ea;
  --gray-200:    #c6c9d1;
  --gray-400:    #8b91a0;
  --gray-600:    #505667;
  --gray-800:    #1e2332;

  --font:        'Montserrat', -apple-system, sans-serif;

  --section-py:   clamp(5rem, 9vw, 7.5rem);
  --container:    1200px;
  --radius:       10px;
  --radius-lg:    16px;
  --radius-xl:    24px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:    0 4px 20px rgba(0,0,0,.06);
  --shadow-lg:    0 12px 44px rgba(0,0,0,.1);
  --shadow-glow:  0 4px 30px var(--teal-glow);
  --transition:   .3s cubic-bezier(.4, 0, .2, 1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
textarea { font-family: var(--font); resize: vertical; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- TYPOGRAPHY ---------- */
.section-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .6rem;
}
.section-label--light { color: rgba(255,255,255,.45); }
.section-label--accent { color: var(--gold); }

.section-heading {
  font-weight: 700;
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  line-height: 1.2;
  color: var(--gray-800);
  letter-spacing: -.02em;
}
.section-heading--light { color: var(--white); }

.section-sub {
  font-size: .95rem;
  color: var(--gray-600);
  margin-top: .5rem;
  line-height: 1.6;
}

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto clamp(2.5rem, 5vw, 3.75rem);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: .875rem;
  letter-spacing: .02em;
  padding: .85rem 1.75rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(26, 158, 143, .25);
}
.btn--primary:hover {
  background: var(--teal-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26, 158, 143, .35);
}
.btn--glow { box-shadow: var(--shadow-glow); }
.btn--glow:hover { box-shadow: 0 8px 40px rgba(26, 158, 143, .45); }
.btn--ghost {
  color: rgba(255,255,255,.75);
  border: 1.5px solid rgba(255,255,255,.2);
  background: transparent;
}
.btn--ghost:hover {
  color: var(--white);
  border-color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.06);
}
.btn--sm { padding: .6rem 1.25rem; font-size: .8rem; }
.btn--lg { padding: 1.05rem 2.25rem; font-size: .9rem; }
.btn--full { width: 100%; }

/* ---------- FORM PRIMITIVES ---------- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .65rem;
}
.form-field { margin-bottom: .65rem; }
.form-field label {
  display: block;
  font-size: .78rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: .3rem;
}
.form-field label .opt { font-weight: 400; color: var(--gray-400); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: .78rem .95rem;
  font-family: var(--font);
  font-size: .88rem;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--gray-400); font-weight: 400; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-pale);
}
.form-field input.error,
.form-field select.error {
  border-color: #d64545;
  box-shadow: 0 0 0 3px rgba(214,69,69,.1);
}
.form-fine-print {
  font-size: .68rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: .75rem;
  line-height: 1.55;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 12px rgba(0,0,0,.06);
}

.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.header__logo {
  display: flex;
  align-items: center;
}
.header__logo-img {
  height: 34px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.header.scrolled .header__logo-img {
  filter: brightness(0) invert(0);
}

.header__nav { display: flex; gap: 1.75rem; }
.header__nav a {
  font-size: .8rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
  letter-spacing: .01em;
}
.header__nav a:hover { color: var(--white); }
.header.scrolled .header__nav a { color: var(--gray-600); }
.header.scrolled .header__nav a:hover { color: var(--teal); }

.header__right { display: flex; align-items: center; gap: 1.25rem; }

.header__phone {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  transition: color var(--transition);
}
.header__phone svg { width: 16px; height: 16px; flex-shrink: 0; }
.header.scrolled .header__phone { color: var(--gray-800); }
.header__phone:hover { color: var(--teal); }

.header__cta { transition: all var(--transition); }
.header:not(.scrolled) .header__cta {
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--white);
  box-shadow: none;
}
.header:not(.scrolled) .header__cta:hover {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.35);
}

/* Mobile right group (phone icon + hamburger) */
.header__mobile-right {
  display: none;
  align-items: center;
  gap: .5rem;
}

.header__mobile-phone {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,158,143,.15);
  transition: all var(--transition);
}
.header__mobile-phone svg {
  width: 18px; height: 18px;
  color: var(--teal);
}
.header__mobile-phone:hover {
  background: var(--teal);
}
.header__mobile-phone:hover svg { color: var(--white); }

/* Hamburger toggle */
.header__mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  padding: 0;
  gap: 5px;
  transition: all var(--transition);
}
.header.scrolled .header__mobile-toggle {
  background: var(--gray-50);
  border-color: var(--gray-100);
}
.header__mobile-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.header.scrolled .header__mobile-toggle span { background: var(--gray-800); }

/* ============================================
   MOBILE DRAWER (Full-screen slide-in)
   ============================================ */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 300;
  pointer-events: none;
  visibility: hidden;
}
.mobile-drawer.open {
  pointer-events: auto;
  visibility: visible;
}

/* Backdrop */
.mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 22, 35, .6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .35s ease;
}
.mobile-drawer.open .mobile-drawer__backdrop { opacity: 1; }

/* Panel — slides from right */
.mobile-drawer__panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(85vw, 360px);
  background: var(--white);
  box-shadow: -8px 0 40px rgba(0,0,0,.15);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4, 0, .2, 1);
}
.mobile-drawer.open .mobile-drawer__panel {
  transform: translateX(0);
}

/* Drawer header */
.mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--gray-50);
}
.mobile-drawer__logo img {
  height: 24px;
  width: auto;
  filter: brightness(0);
}
.mobile-drawer__close {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-50);
  transition: all var(--transition);
}
.mobile-drawer__close svg {
  width: 18px; height: 18px;
  color: var(--gray-600);
}
.mobile-drawer__close:hover {
  background: var(--gray-100);
}

/* Drawer nav links */
.mobile-drawer__nav {
  flex: 1;
  overflow-y: auto;
  padding: .5rem 0;
}
.mobile-drawer__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-size: .95rem;
  font-weight: 500;
  color: var(--gray-800);
  border-bottom: 1px solid var(--gray-50);
  transition: all .2s;
}
.mobile-drawer__nav a svg {
  width: 16px; height: 16px;
  color: var(--gray-400);
  flex-shrink: 0;
  transition: transform .2s, color .2s;
}
.mobile-drawer__nav a:hover {
  background: var(--teal-pale);
  color: var(--teal);
}
.mobile-drawer__nav a:hover svg {
  color: var(--teal);
  transform: translateX(3px);
}

/* Drawer footer */
.mobile-drawer__footer {
  padding: 1.25rem;
  border-top: 1px solid var(--gray-50);
  background: var(--off-white);
}
.mobile-drawer__phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem;
  margin-bottom: .75rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-800);
  transition: all .2s;
}
.mobile-drawer__phone svg {
  width: 18px; height: 18px;
  color: var(--teal);
}
.mobile-drawer__phone:hover {
  border-color: var(--teal);
  color: var(--teal);
}
.mobile-drawer__cta {
  font-size: .88rem;
}

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

.hero__bg-layer {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 10% 50%, rgba(26,158,143,.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 90% 20%, rgba(201,168,76,.04) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(26,158,143,.05) 0%, transparent 40%),
    linear-gradient(175deg, var(--navy) 0%, var(--navy-mid) 45%, #0d2540 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  z-index: 1;
}

.hero__container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(7rem, 13vh, 9rem) clamp(1.25rem, 4vw, 2.5rem) clamp(3.5rem, 7vh, 5.5rem);
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

/* Offer badge */
.hero__offer-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-pale);
  border: 1px solid rgba(201, 168, 76, .2);
  padding: .4rem .95rem;
  border-radius: 50px;
  margin-bottom: 1.35rem;
}

.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.4); }
}

.hero__title {
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.15rem;
  letter-spacing: -.02em;
}
.hero__price { color: var(--teal); }

.hero__subtitle {
  font-size: clamp(.95rem, 1.6vw, 1.08rem);
  font-weight: 400;
  color: rgba(255,255,255,.55);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 1.6rem;
}

/* Trust badges */
.hero__trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .74rem;
  font-weight: 500;
  color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: .4rem .75rem;
  border-radius: 50px;
}
.trust-badge__stars {
  color: var(--gold);
  font-size: .7rem;
  letter-spacing: 1px;
}
.trust-badge__text strong { color: rgba(255,255,255,.8); }
.trust-badge svg { color: var(--teal); flex-shrink: 0; }

/* Hero actions */
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

/* Hero form card */
.hero__form-col { display: flex; justify-content: flex-end; }

.hero__form-card {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem 1.75rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  position: relative;
  overflow: hidden;
}

.hero__form-badge {
  position: absolute;
  top: 0; right: 1.5rem;
  background: var(--teal);
  color: var(--white);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: .35rem .8rem .45rem;
  border-radius: 0 0 var(--radius) var(--radius);
}

.hero__form-header {
  text-align: center;
  margin-bottom: 1.35rem;
}
.hero__form-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: .2rem;
}
.hero__form-header p {
  font-size: .82rem;
  color: var(--gray-400);
}

.form-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: .72rem;
  color: var(--gray-400);
  margin-top: .75rem;
}
.avatar-stack { display: flex; }
.avatar-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .55rem;
  font-weight: 700;
  color: var(--white);
  border: 2px solid var(--white);
  margin-right: -6px;
}

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
  background: var(--off-white);
  border-bottom: 1px solid var(--gray-50);
}
.trust-bar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.15rem clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.trust-bar__item {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .4rem;
}
.trust-bar__item svg {
  width: 26px; height: 26px;
  flex-shrink: 0;
  color: var(--teal);
}
.trust-bar__item strong {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.3;
}
.trust-bar__item span {
  font-size: .7rem;
  color: var(--gray-400);
}

/* ============================================
   BENEFITS (WHY CHOOSE US)
   ============================================ */
.benefits {
  padding: var(--section-py) 0;
  background: var(--white);
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.benefit {
  text-align: center;
  padding: 2.25rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-50);
  transition: all var(--transition);
}
.benefit:hover {
  border-color: var(--gray-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.benefit__icon {
  width: 50px; height: 50px;
  margin: 0 auto 1.1rem;
  color: var(--teal);
}
.benefit__icon svg { width: 100%; height: 100%; }

.benefit h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: .4rem;
}
.benefit p {
  font-size: .85rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ============================================
   BEFORE / AFTER RESULTS
   ============================================ */
.results {
  padding: var(--section-py) 0;
  background: var(--navy);
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.ba-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,.06);
}

.ba-slider {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: ew-resize;
}

.ba-slider__before,
.ba-slider__after {
  position: absolute;
  inset: 0;
}
.ba-slider__before {
  z-index: 2;
  clip-path: inset(0 50% 0 0);
}
.ba-slider__after { z-index: 1; }

.ba-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ba-img--before {
  filter: grayscale(100%) brightness(.85) contrast(1.05);
}

.ba-slider::before,
.ba-slider::after {
  position: absolute;
  top: .75rem;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .25rem .6rem;
  border-radius: 4px;
  z-index: 5;
  pointer-events: none;
}
.ba-slider::before {
  content: attr(data-before-label);
  left: .75rem;
  background: rgba(0,0,0,.5);
  color: rgba(255,255,255,.7);
}
.ba-slider::after {
  content: attr(data-after-label);
  right: .75rem;
  background: var(--teal);
  color: var(--white);
}

.ba-slider__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}
.ba-slider__handle-line {
  flex: 1;
  width: 2px;
  background: var(--white);
  opacity: .8;
}
.ba-slider__handle-knob {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ba-slider__handle-knob svg { width: 18px; height: 18px; color: var(--navy); }

.ba-slider__range {
  position: absolute;
  inset: 0;
  z-index: 6;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
}

.ba-card__caption {
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ba-card__caption strong { font-size: .85rem; color: var(--white); }
.ba-card__caption span { font-size: .75rem; color: rgba(255,255,255,.4); }

.results__cta {
  text-align: center;
  margin-top: clamp(2rem, 4vw, 3rem);
}

/* ============================================
   FINANCING
   ============================================ */
.financing {
  padding: var(--section-py) 0;
  background: var(--off-white);
}

.financing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.financing__text .section-heading { margin-bottom: 1rem; }

.financing__body {
  font-size: .92rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

/* Price card */
.financing__price-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}
.financing__price-top {
  background: var(--navy);
  padding: 1.5rem;
  text-align: center;
}
.financing__price-label {
  display: block;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .45rem;
}
.financing__price-amount {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: .35rem;
}
.financing__price-sub {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}
.financing__price-includes {
  padding: 1.25rem 1.5rem;
}
.financing__price-includes li {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem 0;
  font-size: .85rem;
  color: var(--gray-600);
}
.financing__price-includes svg {
  width: 16px; height: 16px;
  color: var(--teal);
  flex-shrink: 0;
}

/* Financing list */
.financing__list {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}
.financing__list-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 1rem;
}
.financing__list li {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 0;
  font-size: .9rem;
  color: var(--gray-800);
  border-bottom: 1px solid var(--gray-50);
}
.financing__list li:last-child { border-bottom: none; }

.check {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  border-radius: 50%;
  color: var(--white);
}
.check svg { width: 12px; height: 12px; }

.financing__list .btn { margin-top: 1.25rem; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps {
  padding: var(--section-py) 0;
  background: var(--cream);
}

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

.step {
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-50);
  transition: all var(--transition);
}
.step:hover {
  border-color: var(--gray-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 1.1rem;
}

.step__content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: .45rem;
}
.step__content p {
  font-size: .85rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.steps__cta {
  text-align: center;
  margin-top: clamp(2rem, 4vw, 3rem);
}

/* ============================================
   DOCTOR
   ============================================ */
.doctor {
  padding: var(--section-py) 0;
  background: var(--off-white);
}

.doctor__grid {
  display: grid;
  grid-template-columns: .45fr .55fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.doctor__photo-frame { position: relative; }

.doctor__photo-img {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-xl);
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--shadow-lg);
}

.doctor__badge-float {
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  padding: .5rem .75rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.doctor__invisalign-badge {
  height: 60px;
  width: auto;
}

.doctor__info-col .section-heading { margin-bottom: 1rem; }

.doctor__bio {
  font-size: .92rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.doctor__stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--gray-100);
}
.doctor__stat strong {
  display: block;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}
.doctor__stat span {
  font-size: .7rem;
  font-weight: 500;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.doctor__highlights {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 1.75rem;
}
.doctor__highlights li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .87rem;
  color: var(--gray-600);
}
.doctor__highlights svg {
  width: 18px; height: 18px;
  color: var(--teal);
  flex-shrink: 0;
}

.doctor__quote {
  padding: 1.15rem 1.4rem;
  background: var(--white);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.doctor__quote p {
  font-size: .95rem;
  font-style: italic;
  color: var(--gray-800);
  line-height: 1.6;
  margin-bottom: .3rem;
}
.doctor__quote cite {
  font-style: normal;
  font-size: .75rem;
  color: var(--gray-400);
  font-weight: 500;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.compare {
  padding: var(--section-py) 0;
  background: var(--white);
}

.compare__table-wrap {
  max-width: 780px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: .87rem;
}
.compare__table thead {
  background: var(--navy);
  color: var(--white);
}
.compare__table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .02em;
}
.compare__table th.compare__winner {
  background: rgba(26,158,143,.15);
  color: var(--teal);
}
.compare__table td {
  padding: .85rem 1.25rem;
  border-bottom: 1px solid var(--gray-50);
  color: var(--gray-600);
}
.compare__table td.compare__winner {
  background: var(--teal-pale);
  color: var(--gray-800);
  font-weight: 500;
}
.compare__table tbody tr:last-child td { border-bottom: none; }

.compare__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-size: .65rem;
  font-weight: 700;
  margin-right: .4rem;
}
.compare__x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-400);
  font-size: .65rem;
  font-weight: 700;
  margin-right: .4rem;
}

/* ============================================
   REVIEWS
   ============================================ */
.reviews {
  padding: var(--section-py) 0;
  background: var(--white);
}

.reviews__google-badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-top: 1rem;
  padding: .55rem .95rem;
  background: var(--gray-50);
  border-radius: 50px;
  border: 1px solid var(--gray-100);
}
.reviews__google-info {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.reviews__google-stars {
  color: var(--gold);
  font-size: .85rem;
  letter-spacing: 2px;
}
.reviews__google-info span {
  font-size: .72rem;
  color: var(--gray-600);
}

.reviews__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.review {
  background: var(--off-white);
  border: 1px solid var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
}
.review:hover {
  border-color: var(--teal-pale);
  box-shadow: 0 8px 24px rgba(26,158,143,.06);
  transform: translateY(-3px);
}

.review__stars {
  color: var(--gold);
  font-size: .85rem;
  letter-spacing: 2px;
  margin-bottom: .85rem;
}
.review p {
  font-size: .88rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
}
.review footer {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.review__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: .82rem;
  color: var(--white);
}
.review footer strong { display: block; font-size: .85rem; color: var(--gray-800); }
.review footer small { font-size: .72rem; color: var(--gray-400); }

/* ============================================
   FAQ
   ============================================ */
.faq {
  padding: var(--section-py) 0;
  background: var(--off-white);
}

.faq__layout {
  display: grid;
  grid-template-columns: .4fr .6fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.faq__sub {
  font-size: .88rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}
.faq__sub a { color: var(--teal); font-weight: 600; }

.faq__accordion {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.faq__item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq__item:hover { box-shadow: var(--shadow-sm); }
.faq__item[open] {
  border-color: var(--teal-pale);
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-800);
  cursor: pointer;
  list-style: none;
  transition: color .2s;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--gray-400);
  transition: transform .25s ease, color .25s;
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq__item[open] summary::after {
  content: '\2212';
  color: var(--teal);
}
.faq__item summary:hover { color: var(--teal); }

.faq__item p {
  padding: 0 1.25rem 1rem;
  font-size: .87rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: var(--section-py) 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 50% at 80% 60%, rgba(26,158,143,.06) 0%, transparent 60%),
    radial-gradient(ellipse 30% 40% at 10% 30%, rgba(201,168,76,.04) 0%, transparent 50%);
  pointer-events: none;
}

.cta-section__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.cta-section__sub {
  font-size: .92rem;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.cta-section__perks {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  margin-bottom: 2rem;
}
.cta-section__perks li {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .88rem;
  color: rgba(255,255,255,.7);
}
.cta-section__perks svg {
  width: 18px; height: 18px;
  color: var(--teal);
  flex-shrink: 0;
}

.cta-section__contact {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.08);
}
.cta-contact-item {
  display: flex;
  align-items: center;
  gap: .65rem;
}
.cta-contact-item svg {
  width: 20px; height: 20px;
  color: var(--teal);
  flex-shrink: 0;
}
.cta-contact-item strong {
  display: block;
  font-size: .82rem;
  color: rgba(255,255,255,.6);
}
.cta-contact-item a {
  color: var(--teal);
  font-size: .9rem;
  font-weight: 600;
}

.cta-section__form-wrap { display: flex; justify-content: flex-end; }

.card-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.card-form__header { margin-bottom: 1.25rem; }
.card-form__header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: .2rem;
}
.card-form__header p {
  font-size: .82rem;
  color: var(--gray-400);
}
.card-form .btn--primary { margin-top: .5rem; }

/* ============================================
   FOOTER (Simple per spec)
   ============================================ */
.footer {
  background: #060d18;
  padding: 1.75rem 0;
  color: rgba(255,255,255,.35);
}

.footer__inner {
  text-align: center;
}
.footer__copy {
  font-size: .78rem;
  margin-bottom: .65rem;
}
.footer__powered {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  margin-bottom: .65rem;
  font-size: .72rem;
  color: rgba(255,255,255,.3);
}
.footer__dc-logo {
  height: 31px;
  width: auto;
  opacity: .7;
  transition: opacity .2s;
}
.footer__dc-logo:hover { opacity: 1; }
.footer__legal {
  font-size: .68rem;
  line-height: 1.65;
  color: rgba(255,255,255,.2);
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   STICKY MOBILE CTA
   ============================================ */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 150;
  background: rgba(11, 22, 35, .96);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255,255,255,.06);
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.sticky-cta.visible { transform: translateY(0); }

.sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem clamp(1rem, 3vw, 1.5rem);
  padding-bottom: calc(.6rem + env(safe-area-inset-bottom, 0px));
}
.sticky-cta__text strong {
  display: block;
  font-size: .78rem;
  color: var(--white);
}
.sticky-cta__text span {
  font-size: .68rem;
  color: var(--gold);
  font-weight: 500;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
[data-animate="fade-left"]  { transform: translateX(28px); }
[data-animate="fade-right"] { transform: translateX(-28px); }
[data-animate].animated { opacity: 1; transform: translate(0); }
[data-delay="1"] { transition-delay: .12s; }
[data-delay="2"] { transition-delay: .24s; }
[data-delay="3"] { transition-delay: .36s; }

/* ============================================
   FORM SUCCESS
   ============================================ */
.form-success {
  text-align: center;
  padding: 2rem 1rem;
}
.form-success__check {
  width: 56px; height: 56px;
  margin: 0 auto .85rem;
  background: var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  animation: popIn .5s cubic-bezier(.175,.885,.32,1.275);
}
.form-success__check svg { width: 28px; height: 28px; }
.form-success h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: .35rem;
}
.form-success p {
  font-size: .9rem;
  color: var(--gray-600);
}

@keyframes popIn {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__mobile-right { display: flex; }

  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__trust-row { justify-content: center; }
  .hero__actions { justify-content: center; }
  .hero__form-col { justify-content: center; }
  .hero__offer-badge { margin-left: auto; margin-right: auto; }

  .trust-bar__inner { grid-template-columns: repeat(2, 1fr); }

  .benefits__grid { grid-template-columns: repeat(2, 1fr); }

  .results__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }

  .steps__track { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }

  .reviews__cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }

  .doctor__grid { grid-template-columns: 1fr; }
  .doctor__photo-col { max-width: 340px; margin: 0 auto; }
  .doctor__info-col { text-align: center; }
  .doctor__stats { justify-content: center; }
  .doctor__highlights { align-items: center; }
  .doctor__quote { text-align: left; }

  .compare__table-wrap { overflow-x: auto; }

  .financing__grid { grid-template-columns: 1fr; }
  .financing__text { text-align: center; }
  .financing__price-card { max-width: 400px; margin: 0 auto; }

  .faq__layout { grid-template-columns: 1fr; }
  .faq__left { text-align: center; }

  .cta-section__grid { grid-template-columns: 1fr; text-align: center; }
  .cta-section__perks { align-items: center; }
  .cta-section__contact { display: flex; justify-content: center; }
  .cta-section__form-wrap { justify-content: center; }
}

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 768px) {
  .header__cta { display: none; }
  .header__right { display: none; }
  .header__inner { height: 60px; }

  .hero__title { font-size: clamp(1.9rem, 7.5vw, 2.5rem); }
  .hero__trust-row { flex-direction: column; align-items: center; gap: .35rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__form-card { max-width: 100%; }

  .trust-bar__inner { grid-template-columns: 1fr 1fr; gap: .75rem; }

  .benefits__grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }

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

  .doctor__stats { gap: 1.25rem; }
  .doctor__stat strong { font-size: 1.4rem; }

  .sticky-cta { display: block; }
  body { padding-bottom: 60px; }
}

@media (max-width: 480px) {
  .header__inner { height: 56px; }
  .header__logo-img { height: 26px; }

  .trust-bar__inner { grid-template-columns: 1fr; }
}