/* ── Reset & Base ── */

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

/* ── Theme Variables ── */

:root {
  --color-bg: #fff;
  --color-bg-subtle: #fafafa;
  --color-text: #1a1a2e;
  --color-text-secondary: #555;
  --color-text-muted: #444;
  --color-accent: #ff4081;
  --color-accent-hover: #e91e63;
  --color-border: #eee;
  --color-copy: #999;
  --color-switcher-bg: #fff;
  --color-switcher-text: #777;
  --color-switcher-shadow: rgba(0, 0, 0, 0.08);
  --hero-gradient: linear-gradient(170deg, #fff5f8 0%, #fff 60%);
  --cta-gradient: linear-gradient(170deg, #fff 0%, #fff5f8 100%);
  --card-hover-shadow: rgba(255, 64, 129, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121218;
    --color-bg-subtle: #1c1c26;
    --color-text: #e8e8f0;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #b0b0c0;
    --color-accent: #ff4081;
    --color-accent-hover: #ff6098;
    --color-border: #2a2a38;
    --color-copy: #666;
    --color-switcher-bg: #1c1c26;
    --color-switcher-text: #999;
    --color-switcher-shadow: rgba(0, 0, 0, 0.3);
    --hero-gradient: linear-gradient(170deg, #1a1020 0%, #121218 60%);
    --cta-gradient: linear-gradient(170deg, #121218 0%, #1a1020 100%);
    --card-hover-shadow: rgba(255, 64, 129, 0.15);
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Layout ── */

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Button ── */

.btn {
  display: inline-block;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 48px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

/* ── Language Switcher ── */

.lang-switcher {
  position: fixed;
  top: 20px;
  right: 24px;
  display: flex;
  gap: 2px;
  z-index: 100;
  background: var(--color-switcher-bg);
  border-radius: 24px;
  padding: 4px;
  box-shadow: 0 2px 12px var(--color-switcher-shadow);
}

.lang-switcher__btn {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  background: transparent;
  color: var(--color-switcher-text);
  transition: background 0.2s, color 0.2s;
}

.lang-switcher__btn:hover {
  color: var(--color-accent);
}

.lang-switcher__btn--active {
  background: var(--color-accent);
  color: #fff;
}

.lang-switcher__btn--active:hover {
  color: #fff;
}

/* ── Hero ── */

.hero {
  text-align: center;
  padding: 120px 24px 80px;
  background: var(--hero-gradient);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -1px;
}

.hero__tagline {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

.hero__description {
  max-width: 540px;
  margin: 24px auto 40px;
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* ── Features ── */

.features {
  padding: 80px 24px;
}

.features__heading {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 48px;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.feature-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: 16px;
  background: var(--color-bg-subtle);
  transition: box-shadow 0.2s;
}

.feature-card:hover {
  box-shadow: 0 8px 24px var(--card-hover-shadow);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--color-accent);
}

.feature-card__icon svg {
  width: 100%;
  height: 100%;
}

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card__text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* ── CTA ── */

.cta {
  text-align: center;
  padding: 80px 24px;
  background: var(--cta-gradient);
}

.cta__heading {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta__text {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* ── Footer ── */

.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer__clinic-link {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-accent);
  transition: opacity 0.2s;
}

.footer__clinic-link:hover {
  opacity: 0.75;
}

.footer__socials {
  display: flex;
  gap: 16px;
}

.footer__socials a {
  display: block;
  width: 28px;
  height: 28px;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.footer__socials a:hover {
  color: var(--color-accent);
}

.footer__socials svg {
  width: 100%;
  height: 100%;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--color-copy);
}

/* ── Responsive ── */

@media (max-width: 600px) {
  .hero {
    padding: 80px 20px 60px;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__tagline {
    font-size: 1.1rem;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .btn--primary {
    padding: 14px 32px;
    font-size: 1rem;
  }

  .lang-switcher {
    right: 12px;
    top: 12px;
  }
}