/* =====================================================
   EVA CLINIC — BASE / DESIGN SYSTEM
   Reset, typography, layout primitives, buttons, cards,
   badges and shared scroll animation used across all pages.
===================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.15;
  margin: 0 0 var(--space-2);
}
h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-family: var(--font-body); font-weight: 700; }

p { margin: 0 0 var(--space-2); color: var(--color-ink-soft); }
p.lede, .lede { font-size: 1.1rem; color: var(--color-ink-soft); }

/* ---------- Focus states (accessibility) ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout primitives ---------- */
.container {
  width: min(var(--container-width), 100% - 2.5rem);
  margin-inline: auto;
}
.container-narrow {
  width: min(var(--container-narrow), 100% - 2.5rem);
  margin-inline: auto;
}
.section { padding: var(--space-6) 0; }
.section-alt { background: var(--color-surface-alt); }
.section-dark { background: var(--color-primary); color: var(--color-on-dark); }
.section-dark h2, .section-dark h3, .section-dark p { color: var(--color-on-dark); }

.section-head { max-width: 720px; margin: 0 auto var(--space-4); text-align: center; }
.section-head.left { margin-inline: 0; text-align: left; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.section-desc { color: var(--color-ink-soft); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--color-primary-light); box-shadow: var(--shadow-lg); }

.btn-accent {
  background: var(--color-accent);
  color: #1c1c1a;
  box-shadow: 0 14px 32px rgba(181, 138, 61, 0.32);
}
.btn-accent:hover { background: var(--color-accent-light); }

.btn-outline {
  background: transparent;
  border-color: rgba(28, 28, 26, 0.22);
  color: var(--color-ink);
}
.btn-outline:hover { background: var(--color-ink); color: var(--color-on-dark); border-color: var(--color-ink); }

.btn-outline-light {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.2); }

.btn-whatsapp { background: #25d366; color: #fff; box-shadow: 0 14px 30px rgba(37, 211, 102, 0.32); }
.btn-whatsapp:hover { background: #1fb455; }

.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.btn-row.center { justify-content: center; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* ---------- Badges / pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--fs-small);
  font-weight: 700;
}

/* ---------- Shared component patterns (used across multiple pages) ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.card.pad { padding: var(--space-3); }

.checklist { list-style: none; margin: var(--space-2) 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.checklist li { display: flex; align-items: flex-start; gap: 0.6rem; font-weight: 600; color: var(--color-ink); }
.checklist li i { color: var(--color-primary); margin-top: 0.25rem; }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.why-card { padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.why-icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary-soft); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: var(--space-2);
}

.feature-tile { padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.feature-tile .pill { margin-bottom: var(--space-2); }

/* Reusable treatment card grid (homepage + services page) */
.treatment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.treatment-card { overflow: hidden; }
/* Full-image display: fixed height + object-fit: contain so every treatment
   photo shows in full (no cropping, no stretching), on a soft neutral
   backdrop so smaller or differently-shaped images still look intentional
   and every card stays the same height. */
.treatment-img {
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-alt);
  padding: var(--space-2);
  overflow: hidden;
  transition: background 0.35s var(--ease);
}
.treatment-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.4s var(--ease);
}
.treatment-card:hover .treatment-img { background: var(--color-primary-soft); }
.treatment-card:hover .treatment-img img { transform: scale(1.03); }
.treatment-body { padding: var(--space-3); }
.treatment-short { color: var(--color-accent); font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.4rem; }
.treatment-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--color-primary); font-weight: 700; text-decoration: none; font-size: 0.9rem; }
.treatment-link i { transition: transform 0.25s var(--ease); }
.treatment-card:hover .treatment-link i { transform: translateX(4px); }

/* Reusable dark CTA band (homepage + services page) */
.cta-band { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: #fff; }
.cta-band-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.cta-band-inner h2 { color: #fff; }
.cta-band-inner p { color: rgba(255,255,255,0.85); margin-bottom: var(--space-3); }

@media (max-width: 900px) {
  .treatment-grid { grid-template-columns: repeat(2, 1fr); }
  .treatment-img { height: 220px; }
}
@media (max-width: 640px) {
  .treatment-grid { grid-template-columns: 1fr; }
  .treatment-img { height: 240px; }
}

/* Generic page hero band (About, Hair Transplant, Results, Videos, Blog, Contact) */
.page-hero {
  background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
  padding: var(--space-6) 0 var(--space-5);
}
.page-hero .lede { max-width: 62ch; margin-bottom: var(--space-3); }

/* Reusable video play badge + caption strip (homepage + videos page) */
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 62px; height: 62px; border-radius: 50%;
  background: rgba(255,255,255,0.92); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}
.video-title {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(0deg, rgba(15,20,18,0.85), transparent);
  color: #fff; padding: var(--space-2); font-weight: 700; font-size: 0.9rem;
}

/* Reusable before/after result pair card (homepage + results page).
   Enlarged from a 1:1 crop to a taller 4:5 frame — closer to how these
   scalp/hairline photos are actually shot, so less of the meaningful
   content (hairline, crown, density) gets cropped out by object-fit: cover. */
.result-pair { padding: var(--space-3); }
.result-pair-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.result-img-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(100deg, var(--color-surface-alt) 30%, #ece4d0 50%, var(--color-surface-alt) 70%);
  background-size: 200% 100%;
  animation: img-shimmer 1.4s ease-in-out infinite;
}
.result-img-wrap.is-loaded { animation: none; background: var(--color-surface-alt); }
.result-img-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: top center; /* hairline/crown sits near the top of the frame */
  opacity: 0;
  transition: opacity 0.35s var(--ease), transform 0.4s var(--ease);
}
.result-img-wrap.is-loaded img { opacity: 1; }
.result-img-wrap img.img-fallback { object-fit: contain !important; opacity: 1; padding: 12%; background: var(--color-surface-alt); }
.result-img-wrap button { display: block; width: 100%; padding: 0; border: none; background: none; cursor: pointer; }
.result-img-wrap button:hover img { transform: scale(1.05); }
.result-img-wrap span {
  position: absolute; bottom: 0.5rem; left: 0.5rem;
  background: rgba(15,20,18,0.72); color: #fff;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  padding: 0.2rem 0.6rem; border-radius: var(--radius-pill);
  pointer-events: none;
}
.result-duration { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin: 0.8rem 0 0; font-size: 0.86rem; color: var(--color-muted); }
.disclaimer-note { font-size: 0.8rem; color: var(--color-muted); margin-top: var(--space-2); }
.disclaimer-note.center { text-align: center; }

@keyframes img-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .result-img-wrap { animation: none; }
}

/* ---------- Global broken-image fallback (site.js swaps src on error) ---------- */
.img-fallback {
  object-fit: contain !important;
  background: var(--color-surface-alt);
  padding: 10%;
}

/* Reusable split-image/copy row */
.split-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: center; }
.split-row.reverse .split-media { order: 2; }
.split-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); aspect-ratio: 4/3; object-fit: cover; }
@media (max-width: 900px) {
  .split-row, .split-row.reverse { grid-template-columns: 1fr; }
  .split-row.reverse .split-media { order: -1; }
}

/* ---------- Scroll-reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 0.8rem 1.2rem;
  z-index: 10000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Responsive helpers ---------- */
@media (max-width: 900px) {
  .section { padding: var(--space-5) 0; }
  .grid-3, .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .why-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .section { padding: var(--space-4) 0; }
  .container, .container-narrow { width: min(100% - 2rem, 100%); }
}