:root {
  --primary: #1f6feb;
  --primary-dark: #1552b5;
  --background: #f5f7fa;
  --surface: #ffffff;
  --text-main: #111827;
  --text-secondary: #6b7280;
  --accent: #16a34a;
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
  --radius: 16px;
  --transition: 180ms ease;
}

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

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--background);
  color: var(--text-main);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(245, 247, 250, 0.95);
  border-bottom: 1px solid rgba(17, 24, 39, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  height: 50px;
}

.clinic-note {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 6px 10px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 999px;
  background: #fff;
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 0 48px;
  align-items: center;
}

.hero__content h1 {
  font-size: 28px;
  line-height: 1.15;
  margin: 12px 0 12px;
}

.hero__subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 16px;
}

.hero__benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(31, 111, 235, 0.1);
  margin-right: 10px;
  flex-shrink: 0;
}

.hero__benefits li {
  display: flex;
  align-items: center;
  font-size: 15px;
  color: var(--text-main);
}

.hero__cta {
  display: grid;
  gap: 8px;
  align-items: flex-start;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 12px 24px rgba(31, 111, 235, 0.25);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.cta-button:hover {
  background: var(--primary-dark);
  box-shadow: 0 16px 28px rgba(21, 82, 181, 0.28);
  transform: translateY(-1px);
}

.cta-button:active {
  transform: scale(0.98);
  box-shadow: 0 8px 18px rgba(21, 82, 181, 0.2);
}

.cta-icon {
  width: 20px;
  height: 20px;
}

.cta-caption {
  color: var(--text-secondary);
  font-size: 13px;
}

.hero__visual {
  position: relative;
}

.before-after {
  background: linear-gradient(135deg, rgba(31, 111, 235, 0.08), rgba(22, 163, 74, 0.06));
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}

.before-after img {
  border-radius: 12px;
  background: #dfe7f6;
}

.result-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(17, 24, 39, 0.8);
  color: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  box-shadow: var(--shadow);
}

.result-badge img {
  width: 18px;
  height: 18px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #e9f1ff;
  color: var(--primary-dark);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}

.section-head {
  text-align: center;
  margin-bottom: 28px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 12px;
  margin: 0 0 8px;
}

h2 {
  font-size: 24px;
  margin: 0 0 10px;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-secondary);
  margin: 0;
  font-size: 15px;
}

.steps {
  background: #eef2f7;
  padding: 48px 0;
}

.steps__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.step-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(17, 24, 39, 0.12);
}

.step-card h3 {
  margin: 12px 0 8px;
  font-size: 18px;
}

.step-card p {
  margin: 0;
  color: var(--text-secondary);
}

.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(31, 111, 235, 0.12);
  display: grid;
  place-items: center;
}

.cases {
  padding: 52px 0;
}

.cases__grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.case-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.case-photos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.case-photos img {
  background: #d9e2f3;
  border-radius: 10px;
}

.case-meta h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.case-meta p {
  margin: 2px 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.case-note {
  margin: 0;
  color: var(--text-main);
  font-size: 14px;
}

.doctor {
  padding: 52px 0;
}

.doctor__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.doctor__photo img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #e7edfa;
}

.doctor__thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.thumb {
  background: #f2f5fb;
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 6px;
  align-items: center;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

.thumb img {
  height: auto;
  margin: 0 auto;
}

.thumb__media {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 10px;
  overflow: hidden;
  background: #e7edfa;
  display: flex;
}

.thumb__media img,
.thumb__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.doctor__info h3 {
  margin: 6px 0 4px;
  font-size: 20px;
}

.doctor-title {
  margin: 0 0 12px;
  color: var(--text-secondary);
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.bullet-list li {
  display: flex;
  align-items: center;
  color: var(--text-main);
}

.privacy {
  background: #e9eef7;
  padding: 48px 0;
}

.privacy__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: center;
  justify-items: start;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.privacy__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(31, 111, 235, 0.1);
  display: grid;
  place-items: center;
}

.privacy__icon img {
  width: 26px;
  height: 26px;
}

.faq {
  padding: 52px 0 60px;
}

.faq__list {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-main);
}

.faq-answer {
  padding: 0 18px 16px;
  color: var(--text-secondary);
  display: none;
  font-size: 15px;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question img {
  transform: rotate(180deg);
}

.section-cta {
  text-align: center;
  margin-top: 18px;
}

.footer {
  background: #0f172a;
  color: #e5e7eb;
  padding: 28px 0;
}

.footer__inner {
  display: grid;
  gap: 10px;
  font-size: 13px;
}

.footer__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer__links a {
  color: #cdd5e1;
}

.footer__note {
  color: #9ca3af;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 320ms ease, transform 320ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    padding: 42px 0 56px;
  }

  .hero__content h1 {
    font-size: 32px;
  }

  .steps__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cases__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .privacy__inner {
    padding: 28px;
  }

  h2 {
    font-size: 28px;
  }

  .privacy__inner {
    grid-template-columns: auto 1fr;
    gap: 16px;
    justify-items: start;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 16px;
  }

  .hero__content h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 32px;
  }

  .container {
    width: min(1180px, calc(100% - 80px));
  }
}