/* ==========================================================================
   CROSSWORD SOLVER — DESIGN SYSTEM
   Type: Sora (display) + Inter (body) + JetBrains Mono (grid/pattern data)
   ========================================================================== */

:root {
  /* Brand palette (per brief) */
  --primary: #2563EB;
  --secondary: #1D4ED8;
  --accent: #0EA5E9;
  --bg: #F8FAFC;
  --dark: #0F172A;
  --card: #FFFFFF;
  --border: #E5E7EB;

  --text-main: #0F172A;
  --text-muted: #55617a;
  --text-inverse: #F8FAFC;

  --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
  --gradient-dark: linear-gradient(180deg, #0F172A 0%, #14213d 100%);
  --gradient-soft: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(14,165,233,0.08));

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 0 1px rgba(37,99,235,0.08), 0 12px 32px rgba(37,99,235,0.16);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --container: 1240px;
  --header-h: 76px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
html, body { width: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--dark); margin: 0; line-height: 1.2; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 10000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; overflow-x: clip; }
.section-tight { padding: 64px 0; }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(37,99,235,0.08);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

.alt-bg { background: #EFF4FC; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(37,99,235,0.28); }
.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: #fff; border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ripple */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  transform: scale(0);
  animation: ripple 600ms linear;
  pointer-events: none;
}
.btn-secondary .ripple, .btn-ghost .ripple { background: rgba(37,99,235,0.18); }
@keyframes ripple { to { transform: scale(3); opacity: 0; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(248, 250, 252, 0.75);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--dark); }
.logo-mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: grid; place-items: center;
  color: #fff; font-family: var(--font-mono); font-weight: 700; font-size: 1rem;
  box-shadow: var(--shadow-glow);
}

.main-nav { display: flex; }
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.93rem;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a.active { background: rgba(37,99,235,0.08); color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
}
.hamburger span { width: 20px; height: 2px; background: var(--dark); margin: 0 auto; transition: transform var(--transition), opacity var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: #fff;
  clip-path: inset(0 0 0 100%);
  transition: clip-path 320ms cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
  z-index: 999;
  padding: 24px;
}
.mobile-nav.open { clip-path: inset(0 0 0 0); }
.mobile-nav a { display: block; padding: 16px 8px; font-size: 1.1rem; font-weight: 600; border-bottom: 1px solid var(--border); }
.mobile-nav .btn { margin-top: 20px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 60px;
  background:
    radial-gradient(circle at 15% 20%, rgba(14,165,233,0.14), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(37,99,235,0.14), transparent 40%),
    var(--bg);
  overflow: hidden;
}
.hero-grid-decor {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(37,99,235,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(37,99,235,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; max-width: 780px; margin: 0 auto; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.02em; margin-bottom: 20px; }
.hero h1 .accent-word {
  background: var(--gradient-primary);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--text-muted); max-width: 620px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.hero-trust { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; color: var(--text-muted); font-size: 0.85rem; margin-top: 28px; }
.hero-trust span { display: flex; align-items: center; gap: 6px; }

/* ---------- Solver Tool Card ---------- */
.solver-card {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px;
  margin-top: 48px;
  text-align: left;
}
.solver-tabs { display: flex; gap: 6px; margin-bottom: 28px; flex-wrap: wrap; background: #EEF2F9; padding: 6px; border-radius: var(--radius-pill); }
.solver-tab {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.solver-tab.active { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }

.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 24px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--dark); display: flex; align-items: center; gap: 6px; }
.field .hint { font-weight: 400; color: var(--text-muted); font-size: 0.78rem; }
.field input[type="text"], .field select {
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.field input[type="text"]:focus, .field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.12);
  outline: none;
}
.field input.mono { font-family: var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }

/* Signature: crossword-grid pattern input */
.pattern-grid-input { display: flex; gap: 6px; flex-wrap: wrap; }
.pattern-cell {
  width: 44px; height: 44px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: #fff;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.pattern-cell:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,0.14); outline: none; transform: translateY(-2px); }
.pattern-cell.filled { background: rgba(37,99,235,0.06); }
.pattern-cell-add, .pattern-cell-remove {
  width: 44px; height: 44px;
  border-radius: 8px;
  border: 1.5px dashed var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.2rem;
  display: grid; place-items: center;
  transition: border-color var(--transition), color var(--transition);
}
.pattern-cell-add:hover, .pattern-cell-remove:hover { border-color: var(--primary); color: var(--primary); }

.filter-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.chip {
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
}
.chip.active, .chip:hover { border-color: var(--primary); color: var(--primary); background: rgba(37,99,235,0.06); }

.solver-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Loading spinner */
.loader { display: none; align-items: center; gap: 12px; color: var(--text-muted); font-size: 0.9rem; margin: 28px 0; }
.loader.active { display: flex; }
.spinner {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 3px solid rgba(37,99,235,0.18);
  border-top-color: var(--primary);
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.results-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin: 32px 0 18px; }
.results-count { font-weight: 600; color: var(--dark); }
.results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

.result-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.result-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,0.3); }
.result-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.result-word { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; }
.result-score { font-family: var(--font-mono); font-size: 0.75rem; background: rgba(14,165,233,0.1); color: var(--accent); padding: 4px 10px; border-radius: var(--radius-pill); font-weight: 700; }
.result-meta { display: flex; gap: 10px; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px; }
.result-meaning { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.result-synonyms { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 14px; }
.result-synonyms span { color: var(--primary); font-weight: 600; }
.result-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  display: grid; place-items: center;
  color: var(--text-muted);
  transition: all var(--transition);
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); background: rgba(37,99,235,0.06); }
.icon-btn.favorited { color: #f59e0b; border-color: #f59e0b; }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state svg { margin-bottom: 16px; opacity: 0.5; }

/* ---------- Generic card grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }

.icon-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.icon-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,0.25); }
.icon-badge {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--gradient-soft);
  color: var(--primary);
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.icon-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.icon-card p { color: var(--text-muted); font-size: 0.88rem; margin: 0; }

.mini-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.mini-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,0.3); }
.mini-card .num { font-family: var(--font-mono); font-weight: 700; color: var(--primary); font-size: 1.1rem; display: block; margin-bottom: 4px; }
.mini-card .label { font-size: 0.85rem; color: var(--text-muted); }

/* Word length cards */
.length-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.length-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,0.3); }
.length-card .len-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 10px;
  display: block;
}
.length-card .samples { display: flex; flex-wrap: wrap; gap: 6px; }
.length-card .samples span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(37,99,235,0.06);
  padding: 4px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  color: var(--secondary);
}

/* ---------- Pattern examples ---------- */
.pattern-examples { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin: 28px 0; }
.pattern-pill {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--secondary);
  transition: all var(--transition);
}
.pattern-pill:hover { border-color: var(--primary); background: rgba(37,99,235,0.06); transform: translateY(-2px); }

/* ---------- Timeline (how it works) ---------- */
.timeline { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  top: 34px; left: 6%; right: 6%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 16px);
}
.timeline-step { flex: 1; min-width: 150px; text-align: center; position: relative; }
.timeline-step .step-icon {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: grid; place-items: center;
  margin: 0 auto 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
  position: relative;
  z-index: 1;
}
.timeline-step h4 { font-size: 0.98rem; margin-bottom: 6px; }
.timeline-step p { color: var(--text-muted); font-size: 0.82rem; margin: 0; }

/* ---------- Comparison (why choose) ---------- */
.compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare-wrap > * { min-width: 0; }
.compare-card { border-radius: var(--radius-lg); padding: 32px; }
.compare-card.us { background: var(--gradient-dark); color: #fff; box-shadow: var(--shadow-lg); }
.compare-card.others { background: #fff; border: 1px solid var(--border); }
.compare-card h3 { font-size: 1.2rem; margin-bottom: 20px; }
.compare-card.us h3 { color: #fff; }
.compare-list li { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 0.92rem; }
.compare-card.others .compare-list li { border-bottom: 1px solid var(--border); color: var(--text-muted); }
.compare-list li .tick { color: #34d399; }
.compare-list li .cross { color: #f87171; }

/* ---------- Statistics ---------- */
.stats-band { background: var(--gradient-dark); color: #fff; }
.stats-band .section-head h2, .stats-band .section-head p { color: #fff; }
.stats-band .section-head p { color: rgba(255,255,255,0.7); }
.stat-item { text-align: center; }
.stat-item .stat-num { font-family: var(--font-mono); font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 700; background: linear-gradient(135deg, #fff, var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-item .stat-label { color: rgba(255,255,255,0.68); font-size: 0.9rem; margin-top: 6px; }

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stars { color: #f59e0b; letter-spacing: 2px; margin-bottom: 14px; font-size: 0.9rem; }
.testimonial-card p.quote { font-size: 0.95rem; color: var(--text-main); margin-bottom: 18px; }
.testimonial-person { display: flex; align-items: center; gap: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--gradient-primary); display: grid; place-items: center; color: #fff; font-weight: 700; font-family: var(--font-display); }
.testimonial-person .name { font-weight: 600; font-size: 0.9rem; }
.testimonial-person .role { font-size: 0.78rem; color: var(--text-muted); }

/* ---------- FAQ Accordion ---------- */
.accordion { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  text-align: left;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--dark);
}
.accordion-trigger .plus { transition: transform var(--transition); flex-shrink: 0; color: var(--primary); }
.accordion-item.open .accordion-trigger .plus { transform: rotate(45deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 320ms ease; }
.accordion-panel-inner { padding: 0 24px 22px; color: var(--text-muted); font-size: 0.92rem; }

/* ---------- Guide / step lists ---------- */
.guide-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 20px; }
.guide-item { display: flex; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 22px; }
.guide-item .g-num { font-family: var(--font-mono); font-weight: 700; color: var(--primary); font-size: 1.3rem; flex-shrink: 0; }
.guide-item h4 { font-size: 0.98rem; margin-bottom: 6px; }
.guide-item p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; }
.contact-wrap > * { min-width: 0; }
.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-md); }
.contact-form .field { margin-bottom: 18px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 22px; display: flex; gap: 14px; align-items: flex-start; min-width: 0; }
.contact-info-card > div { min-width: 0; }
.contact-info-card .icon-badge { flex-shrink: 0; margin-bottom: 0; }
.map-placeholder {
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  background: repeating-linear-gradient(45deg, #EFF4FC, #EFF4FC 10px, #F8FAFC 10px, #F8FAFC 20px);
  height: 180px;
  display: grid; place-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  gap: 8px;
}
.social-icons { display: flex; gap: 10px; }
.social-icons a {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-icons a:hover { background: var(--gradient-primary); color: #fff; border-color: transparent; transform: translateY(-3px); }

/* ---------- Newsletter ---------- */
.newsletter-band { background: var(--gradient-primary); border-radius: var(--radius-lg); padding: 48px; text-align: center; color: #fff; }
.newsletter-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 10px; }
.newsletter-band p { color: rgba(255,255,255,0.85); margin-bottom: 26px; }
.newsletter-form { display: flex; gap: 10px; max-width: 460px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.newsletter-form input {
  flex: 1;
  min-width: 220px;
  padding: 14px 18px;
  border-radius: var(--radius-pill);
  border: none;
  font-size: 0.95rem;
}
.newsletter-form input:focus { outline: 3px solid rgba(255,255,255,0.6); }
.newsletter-form .btn { background: var(--dark); color: #fff; }
.newsletter-note { font-size: 0.78rem; color: rgba(255,255,255,0.7); margin-top: 14px; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-glow);
  border: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 900;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translate(-50%, 20px);
  background: var(--dark);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all 260ms ease;
  z-index: 2000;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.72); padding: 72px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.88rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-col p { font-size: 0.88rem; margin: 14px 0 18px; }
.footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; text-decoration: none; transition: opacity var(--transition); }
.footer-logo:hover { opacity: 0.85; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.8rem; }
.footer-bottom a:hover { color: var(--accent); }

/* ---------- Animations ---------- */
[data-animate] { opacity: 0; }
[data-animate].in-view { opacity: 1; }
[data-animate="fade-up"] { transform: translateY(24px); transition: opacity 620ms ease, transform 620ms ease; }
[data-animate="fade-up"].in-view { transform: translateY(0); }
[data-animate="slide-left"] { transform: translateX(-32px); transition: opacity 620ms ease, transform 620ms ease; }
[data-animate="slide-left"].in-view { transform: translateX(0); }
[data-animate="slide-right"] { transform: translateX(32px); transition: opacity 620ms ease, transform 620ms ease; }
[data-animate="slide-right"].in-view { transform: translateX(0); }
[data-animate="zoom"] { transform: scale(0.92); transition: opacity 620ms ease, transform 620ms ease; }
[data-animate="zoom"].in-view { transform: scale(1); }

/* Stagger children */
.grid-auto[data-stagger] > *, .grid-3[data-stagger] > *, .grid-4[data-stagger] > *, .grid-6[data-stagger] > * { opacity: 0; transform: translateY(18px); transition: opacity 500ms ease, transform 500ms ease; }
.grid-auto[data-stagger].in-view > *, .grid-3[data-stagger].in-view > *, .grid-4[data-stagger].in-view > *, .grid-6[data-stagger].in-view > * { opacity: 1; transform: translateY(0); }

/* ---------- Legal pages ---------- */
.legal-hero { padding: 64px 0 40px; background: var(--gradient-soft); text-align: center; }
.legal-content { max-width: 820px; margin: 0 auto; padding: 0 24px 96px; }
.legal-content h2 { font-size: 1.3rem; margin: 36px 0 12px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--text-muted); font-size: 0.96rem; margin-bottom: 12px; }
.legal-content ul { list-style: disc; padding-left: 22px; }
.legal-updated { color: var(--text-muted); font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .compare-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .main-nav, .header-actions .btn-secondary { display: none; }
  .hamburger { display: flex; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  section { padding: 72px 0; }
}

@media (max-width: 640px) {
  :root { --header-h: 68px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .timeline { flex-direction: column; }
  .timeline::before { display: none; }
  .solver-card { padding: 22px; }
  section { padding: 56px 0; }
  .newsletter-band { padding: 32px 20px; }
}

@media (max-width: 420px) {
  .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
}