/* ==========================================================================
   Estetiska Institutet — Design System
   ========================================================================== */

:root {
  --color-bg: #faf8f4;
  --color-bg-alt: #f3ede3;
  --color-surface: #ffffff;
  --color-ink: #1c1712;
  --color-ink-soft: #4a4238;
  --color-muted: #857a6c;
  --color-line: #e6ddcd;
  --color-accent: #a9825a;
  --color-accent-dark: #7c5c3d;
  --color-accent-light: #d9c3a4;
  --color-gold: #bd9862;
  --color-cream: #fffdf9;
  --shadow-soft: 0 8px 30px rgba(28, 23, 18, 0.06);
  --shadow-card: 0 12px 40px rgba(28, 23, 18, 0.10);
  --shadow-lift: 0 24px 60px rgba(28, 23, 18, 0.16);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-serif {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--color-accent-light); color: var(--color-ink); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb { background: var(--color-accent-light); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container-ei {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 1024px) {
  .container-ei { padding: 0 40px; }
}

.section-pad { padding: 96px 0; }
@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--color-accent);
  display: inline-block;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.01em;
  transition: all 0.35s var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-ink);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.btn-accent {
  background: linear-gradient(135deg, var(--color-gold), var(--color-accent-dark));
  color: #fff;
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(124, 92, 61, 0.35);
}
.btn-outline {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
}
.btn-outline:hover {
  background: var(--color-ink);
  color: #fff;
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--color-ink);
  border-color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
}
.btn-ghost:hover { color: var(--color-accent-dark); }
.btn-sm { padding: 10px 20px; font-size: 13.5px; }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.82);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: 0 6px 24px rgba(28,23,18,0.05);
}
.logo-mark {
  font-family: 'Fraunces', serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.logo-mark span { color: var(--color-accent-dark); }

.nav-link {
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-ink-soft);
  padding: 8px 2px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.25s ease;
}
.nav-link:hover { color: var(--color-ink); }
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 2px;
  height: 1.5px;
  background: var(--color-accent);
  transition: right 0.3s var(--ease);
}
.nav-link:hover::after { right: 0; }

.mega-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-line);
  box-shadow: var(--shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.28s var(--ease);
}
.nav-group:hover .mega-panel,
.mega-panel:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-link {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--color-ink-soft);
  transition: all 0.2s ease;
}
.mega-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-accent-dark);
  padding-left: 18px;
}

/* Search trigger */
.search-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 13.5px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.25s ease;
}
.search-trigger span { white-space: nowrap; }
.search-trigger:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}
kbd.kbd-hint {
  font-family: inherit;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  color: var(--color-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ==========================================================================
   Search Modal
   ========================================================================== */
#search-overlay {
  position: fixed; inset: 0;
  background: rgba(20, 16, 12, 0.55);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 20px 20px;
}
#search-overlay.open { display: flex; }
#search-box {
  width: 100%;
  max-width: 680px;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 100px rgba(0,0,0,0.4);
  overflow: hidden;
  animation: searchIn 0.28s var(--ease);
  max-height: 76vh;
  display: flex;
  flex-direction: column;
}
@keyframes searchIn {
  from { opacity: 0; transform: translateY(-16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
#search-input-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-line);
}
#search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 18px;
  font-family: 'Fraunces', serif;
  color: var(--color-ink);
}
#search-input::placeholder { color: var(--color-muted); }
#search-results {
  overflow-y: auto;
  padding: 10px;
}
.search-result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  transition: background 0.15s ease;
}
.search-result-item:hover, .search-result-item.active {
  background: var(--color-bg-alt);
}
.search-result-thumb {
  width: 46px; height: 46px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-alt);
}
.search-result-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  color: #fff;
  flex-shrink: 0;
  font-size: 16px;
}
.search-tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-dark);
  background: rgba(169,130,90,0.12);
  padding: 3px 8px;
  border-radius: 999px;
}
.search-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-muted);
}
.search-quick-tag {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  font-size: 13px;
  color: var(--color-ink-soft);
  transition: all 0.2s ease;
}
.search-quick-tag:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-alt);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  overflow: hidden;
  transition: all 0.4s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: transparent;
}
.card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.card:hover .card-img-wrap img { transform: scale(1.07); }

.badge-popular {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--color-ink);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
}

.pill {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  color: var(--color-accent-dark);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-ink);
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
}
.hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.72;
}
.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,16,12,0.15) 0%, rgba(20,16,12,0.25) 40%, rgba(20,16,12,0.92) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding-bottom: 72px;
  width: 100%;
}

/* Floating scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.75);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.scroll-cue .line {
  width: 1px; height: 34px;
  background: rgba(255,255,255,0.5);
  animation: scrollLine 1.8s infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ==========================================================================
   Reveal-on-scroll animation
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ==========================================================================
   Marquee (trust logos)
   ========================================================================== */
.marquee-track {
  display: flex;
  gap: 64px;
  animation: marquee 28s linear infinite;
  width: max-content;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   Before/After slider
   ========================================================================== */
.ba-slider {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  background: var(--color-bg-alt);
}
.ba-slider img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.ba-after-wrap {
  position: absolute; inset: 0;
  overflow: hidden;
  width: 50%;
}
.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  transform: translateX(-50%);
  box-shadow: 0 0 0 100px rgba(255,255,255,0.001);
}
.ba-handle-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  color: var(--color-ink);
}
.ba-label {
  position: absolute;
  bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  backdrop-filter: blur(4px);
}

/* ==========================================================================
   Accordion (FAQ)
   ========================================================================== */
.accordion-item {
  border-bottom: 1px solid var(--color-line);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  text-align: left;
  background: none;
  border: none;
  font-size: 16.5px;
  font-weight: 500;
  color: var(--color-ink);
}
.accordion-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease), background 0.3s ease;
  color: var(--color-accent-dark);
}
.accordion-item.open .accordion-icon { transform: rotate(45deg); background: var(--color-bg-alt); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.accordion-panel > div {
  padding: 0 4px 24px;
  color: var(--color-ink-soft);
  font-size: 15px;
  line-height: 1.7;
  max-width: 70ch;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--color-line);
  background: var(--color-surface);
  font-size: 15px;
  color: var(--color-ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(169,130,90,0.14);
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-bottom: 8px;
}

/* Quiz */
.quiz-option {
  border: 1.5px solid var(--color-line);
  border-radius: 16px;
  padding: 18px 20px;
  transition: all 0.25s ease;
  cursor: pointer;
}
.quiz-option:hover { border-color: var(--color-accent); background: var(--color-bg-alt); }
.quiz-option.selected {
  border-color: var(--color-accent-dark);
  background: rgba(169,130,90,0.09);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-ink);
  color: #fff;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s var(--ease);
  z-index: 300;
  display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow-lift);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Utility */
.text-muted { color: var(--color-muted); }
.text-soft { color: var(--color-ink-soft); }
.divider { height: 1px; background: var(--color-line); border: none; }
.bg-alt { background: var(--color-bg-alt); }
.bg-cream { background: var(--color-cream); }

.mobile-nav {
  position: fixed; inset: 0;
  background: var(--color-cream);
  z-index: 150;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }

@media (max-width: 1279px) {
  .desktop-only { display: none !important; }
}
@media (min-width: 1280px) {
  .mobile-only { display: none !important; }
}