/* ============================================================
   WEBKRAM.ORG V2 — Design System
   Zero-Scroll Panels | Glassmorphism | WCAG 2.2 AA
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --c-brand: #C45534;
  --c-brand-hover: #A34428;
  --c-brand-light: #FDE8E0;

  --c-bg: #F7F5F2;
  --c-glass: rgba(255, 255, 255, 0.35);
  --c-glass-border: rgba(255, 255, 255, 0.5);

  --c-text: #1C1A18;
  --c-text-soft: #5C5650;
  --c-text-muted: #8A8279;
  --c-success: #2D6A4F;
  --c-error: #C43232;

  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing — tighter on mobile */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1rem;
  --space-xl: 1.25rem;
  --space-2xl: 1.75rem;

  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(28,26,24,0.06);
  --shadow-md: 0 4px 16px rgba(28,26,24,0.08);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-normal: 300ms;
  --dur-panel: 500ms;

  --progress-h: 40px; /* space reserved for progress bar */
}

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

html {
  height: 100%; overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.45;
  font-weight: 400;
  font-size: clamp(0.875rem, 2vw, 1rem);
  height: 100%; overflow: hidden;
}

/* --- Typography (responsive, compact) --- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1rem, 2.2vw, 1.35rem); }

a { color: var(--c-brand); text-decoration: none; }
a:hover { color: var(--c-brand-hover); text-decoration: underline; }
::selection { background: var(--c-brand-light); color: var(--c-brand-hover); }
:focus-visible { outline: 3px solid var(--c-brand); outline-offset: 2px; border-radius: 2px; }

/* --- Glass Card --- */
.glass-card {
  background: var(--c-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  font-family: var(--font-body); font-weight: 550;
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  padding: 0.6rem 1.25rem; border-radius: var(--radius-full);
  border: none; cursor: pointer; white-space: nowrap;
  transition: all var(--dur-normal) var(--ease-out);
  text-decoration: none; min-height: 44px;
}
.btn-primary { background: var(--c-brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--c-brand-hover); transform: translateY(-1px); text-decoration: none; color: #fff; }
.btn-secondary { background: rgba(255,255,255,0.6); color: var(--c-text); border: 1px solid rgba(0,0,0,0.08); }
.btn-secondary:hover { background: rgba(255,255,255,0.85); text-decoration: none; }

/* --- Panel System (zero-scroll) --- */
.panels {
  height: 100vh; height: 100dvh;
  overflow: hidden;
  position: relative;
}
.panel {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-panel) var(--ease-out), visibility var(--dur-panel) var(--ease-out);
  padding: env(safe-area-inset-top, 0.5rem) 0 var(--progress-h) 0;
  overflow: hidden; /* NEVER scroll */
}
.panel.active { opacity: 1; visibility: visible; z-index: 1; }

.panel-content {
  width: 100%; max-width: 56rem;
  margin: 0 auto;
  padding: 0 clamp(0.75rem, 3vw, 2rem);
  /* Let flexbox center the content naturally */
}

/* --- No-JS fallback --- */
@media (scripting: none) {
  html, body { overflow: auto; height: auto; }
  .panels { height: auto; overflow: visible; }
  .panel { position: relative; opacity: 1; visibility: visible; min-height: 100vh; min-height: 100dvh; padding: 2rem 0; }
  .progress-bar { display: none; }
}

/* --- Progress Bar --- */
.progress-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: center;
  padding: 0.5rem 0.75rem;
  height: var(--progress-h);
  background: rgba(247,245,242,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(0,0,0,0.06);
}
.progress-dot {
  width: 2rem; height: 3px; border-radius: 2px;
  background: rgba(0,0,0,0.12);
  border: none; cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out);
  position: relative; margin: 0 2px;
}
.progress-dot:hover { background: rgba(0,0,0,0.25); }
.progress-dot.active { background: var(--c-brand); width: 2.8rem; }
.progress-label {
  position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%);
  font-size: 0.65rem; font-weight: 550; color: var(--c-text-soft);
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity 0.15s;
}
.progress-dot:hover .progress-label,
.progress-dot:focus-visible .progress-label { opacity: 1; }

/* --- Background --- */
.bg-ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.bg-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.12; }
.bg-orb--warm { width: 400px; height: 400px; background: radial-gradient(circle, var(--c-brand) 0%, transparent 70%); top: -10%; right: -10%; }
.bg-orb--cool { width: 300px; height: 300px; background: radial-gradient(circle, #2D6A4F 0%, transparent 70%); bottom: -10%; left: -10%; }
.bg-grain { position: absolute; inset: 0; opacity: 0.03; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed; bottom: 0.5rem; left: 0.5rem; right: 0.5rem; z-index: 200;
  max-width: 420px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-2xl);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  padding: var(--space-lg);
  transform: translateY(150%);
  transition: transform var(--dur-panel) var(--ease-out);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner h3 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; margin-bottom: 0.35rem; }
.cookie-banner p { font-size: 0.8rem; color: var(--c-text-soft); margin-bottom: 0.75rem; }
.cookie-options { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 0.75rem; }
.cookie-option { display: flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; }
.cookie-option input[type="checkbox"] { width: 1rem; height: 1rem; accent-color: var(--c-brand); }
.cookie-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.cookie-buttons .btn { font-size: 0.8rem; padding: 0.5rem 1rem; }

/* --- Forms --- */
.form-group { margin-bottom: var(--space-sm); }
.form-label { display: block; font-size: 0.8rem; font-weight: 550; color: var(--c-text); margin-bottom: 0.2rem; }
.form-input, .form-textarea {
  width: 100%; padding: 0.5rem 0.75rem;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-lg);
  font-family: var(--font-body); font-size: 0.9rem;
  background: rgba(255,255,255,0.7); color: var(--c-text);
  transition: border-color var(--dur-normal), box-shadow var(--dur-normal);
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--c-brand); box-shadow: 0 0 0 3px var(--c-brand-light); }
.form-textarea { min-height: 80px; resize: none; }
.form-error { font-size: 0.75rem; color: var(--c-error); margin-top: 0.15rem; }
.form-success { text-align: center; padding: var(--space-lg); }

/* --- Utility --- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-balance { text-wrap: balance; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }

/* --- Grid --- */
.grid-2, .grid-3, .grid-4 { display: grid; gap: var(--space-sm); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr 1fr; }
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Tag --- */
.tag { display: inline-block; font-size: 0.7rem; font-weight: 550; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); background: var(--c-brand-light); color: var(--c-brand); }

/* --- Eyebrow --- */
.eyebrow { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-brand); margin-bottom: 0.25rem; }

/* --- Compact card variant for dense panels --- */
.card-compact { padding: var(--space-sm) var(--space-md); }
.card-compact h3 { font-size: 1rem; margin-bottom: 0.15rem; }
.card-compact p { font-size: 0.8rem; line-height: 1.35; }

/* --- FAQ details compact --- */
details.glass-card { cursor: pointer; }
details.glass-card summary { font-size: 0.9rem; padding: 0; }
details.glass-card p { font-size: 0.82rem; }

/* --- Utility Classes (reduce inline CSS) --- */
.text-soft { color: var(--c-text-soft); }
.text-muted { color: var(--c-text-muted); }
.text-center { text-align: center; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.card-desc { color: var(--c-text-soft); font-size: clamp(0.75rem,1.5vw,0.88rem); margin-bottom: 0.25rem; }
.card-icon { font-size: clamp(1.25rem,2.5vw,1.75rem); margin-bottom: 0.15rem; }
.card-compact h3 { font-size: clamp(0.9rem,1.8vw,1.1rem); margin: 0.15rem 0; }
.proc-num { font-size: clamp(2rem,4vw,2.5rem); font-family: var(--font-display); font-weight: 700; color: var(--c-brand-light); line-height: 1; }
.proc-text { color: var(--c-text-soft); font-size: clamp(0.72rem,1.4vw,0.82rem); }
.faq-summary { font-weight: 600; font-size: 1.05rem; padding: 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-answer { color: var(--c-text-soft); margin-top: var(--space-md); font-size: 0.95rem; line-height: 1.7; }
.faq-arrow { font-size: 1.2rem; transition: transform var(--dur-normal); }
.card-list { font-size: 0.8rem; color: var(--c-text-soft); padding-left: 1rem; display: flex; flex-direction: column; gap: 0.15rem; }
.btn-icon { font-size: clamp(1.5rem,2.5vw,2rem); margin-bottom: 0.15rem; }

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* --- Responsive visibility --- */
@media (max-width: 639px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 640px) {
  .show-mobile { display: none !important; }
}

/* --- Larger screens: restore breathing room --- */
@media (min-width: 768px) {
  :root {
    --space-xs: 0.5rem; --space-sm: 0.75rem; --space-md: 1rem;
    --space-lg: 1.5rem; --space-xl: 2rem; --space-2xl: 3rem;
  }
  body { line-height: 1.6; }
  .glass-card { padding: var(--space-lg); }
  .card-compact { padding: var(--space-md) var(--space-lg); }
  details.glass-card summary { font-size: 1rem; }
  details.glass-card p { font-size: 0.9rem; }
}
@media (min-width: 1024px) {
  .glass-card { padding: var(--space-xl); }
}