/* ============================================================
   PixLab — Global Design System
   ============================================================ */

/* ── 1. THEME VARIABLES ──────────────────────────────────────── */
:root {
  /* Brand */
  --primary:         #6366f1;
  --primary-hover:   #4f46e5;
  --secondary:       #a855f7;
  --gradient:        linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --gradient-soft:   linear-gradient(135deg, rgba(99,102,241,.1) 0%, rgba(168,85,247,.1) 100%);
  --gradient-success:linear-gradient(135deg, #10b981 0%, #059669 100%);

  /* Backgrounds */
  --bg:        #f5f6ff;
  --bg-2:      #eff1ff;
  --surface:   #ffffff;
  --surface-2: #f4f6ff;
  --surface-3: #eef0ff;

  /* Borders */
  --border:   #e2e8f0;
  --border-2: #c7d0e0;

  /* Text */
  --text:        #0f172a;
  --text-2:      #1e293b;
  --text-muted:  #64748b;
  --text-subtle: #94a3b8;

  /* Status */
  --success:       #10b981;
  --success-hover: #059669;

  /* Glass */
  --glass-bg:     rgba(255,255,255,.8);
  --glass-border: rgba(255,255,255,.65);

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.04);
  --shadow-sm: 0 4px 12px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
  --shadow-md: 0 8px 28px rgba(0,0,0,.08), 0 3px 10px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.1),  0 8px 20px rgba(0,0,0,.05);
  --shadow-primary:    0 6px 20px rgba(99,102,241,.28), 0 2px 6px rgba(99,102,241,.15);
  --shadow-primary-lg: 0 14px 40px rgba(99,102,241,.38);
  --shadow-success:    0 6px 20px rgba(16,185,129,.3);

  /* Layout */
  --nav-h:      68px;
  --container:  1200px;
  --section-py: 96px;

  /* Radii */
  --r-sm:   8px;
  --r:      14px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-full: 9999px;

  /* Transitions */
  --ease:       cubic-bezier(.4,0,.2,1);
  --t:          .25s cubic-bezier(.4,0,.2,1);
  --t-slow:     .4s  cubic-bezier(.4,0,.2,1);
}

/* Dark theme overrides */
[data-theme="dark"] {
  --bg:        #07070f;
  --bg-2:      #0c0c18;
  --surface:   #10101e;
  --surface-2: #16162a;
  --surface-3: #1c1c33;
  --border:    #1c1c33;
  --border-2:  #26264a;
  --text:        #f1f5f9;
  --text-2:      #cbd5e1;
  --text-muted:  #8892a4;
  --text-subtle: #505878;
  --glass-bg:     rgba(16,16,30,.88);
  --glass-border: rgba(255,255,255,.055);
  --shadow-xs: 0 1px 3px rgba(0,0,0,.5);
  --shadow-sm: 0 4px 12px rgba(0,0,0,.4);
  --shadow-md: 0 8px 28px rgba(0,0,0,.5);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.65);
  --shadow-primary:    0 6px 20px rgba(99,102,241,.35);
  --shadow-primary-lg: 0 14px 40px rgba(99,102,241,.45);
  --shadow-success:    0 6px 20px rgba(16,185,129,.35);
}


/* ── 2. RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t-slow), color var(--t-slow);
}

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


/* ── 3. UTILITIES ────────────────────────────────────────────── */
.hidden { display: none !important; }

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

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-full);
  line-height: 1;
}
.badge-available {
  background: rgba(16,185,129,.12);
  color: var(--success);
  border: 1px solid rgba(16,185,129,.25);
}
.badge-available::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}
.badge-soon {
  background: var(--surface-2);
  color: var(--text-subtle);
  border: 1px solid var(--border);
}

@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.7; transform:scale(1.25); }
}


/* ── 4. NAVBAR ───────────────────────────────────────────────── */
.navbar {
  height: var(--nav-h);
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background var(--t-slow), border-color var(--t-slow);
}
.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-primary);
  flex-shrink: 0;
}
.nav-logo-icon svg { width: 18px; height: 18px; color: #fff; stroke: #fff; }

/* Nav links */
.nav-links { display: flex; align-items: center; gap: .15rem; flex: 1; }
.nav-link {
  padding: 7px 14px;
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--t);
}
.nav-link:hover  { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--primary); background: rgba(99,102,241,.08); }

/* Nav actions */
.nav-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.nav-icon-btn {
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: var(--t);
}
.nav-icon-btn:hover { color: var(--text); border-color: var(--border-2); background: var(--surface-2); }
.nav-icon-btn svg   { width: 18px; height: 18px; }

.lang-btn {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .04em;
  transition: var(--t);
}
.lang-btn:hover { color: var(--primary); border-color: var(--primary); background: rgba(99,102,241,.05); }


/* ── 5. HERO (HOME) ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: calc(88vh - var(--nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0;
}

/* Animated orbs */
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float-orb 14s ease-in-out infinite;
}
.hero-orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,.35) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation-delay: 0s;
}
.hero-orb-2 {
  width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(168,85,247,.3) 0%, transparent 70%);
  top: 80px; right: -100px;
  animation-delay: -5s;
}
.hero-orb-3 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(99,102,241,.2) 0%, transparent 70%);
  bottom: -80px; left: 45%;
  animation-delay: -10s;
}
[data-theme="dark"] .hero-orb-1 { background: radial-gradient(circle, rgba(99,102,241,.25) 0%, transparent 70%); }
[data-theme="dark"] .hero-orb-2 { background: radial-gradient(circle, rgba(168,85,247,.22) 0%, transparent 70%); }
[data-theme="dark"] .hero-orb-3 { background: radial-gradient(circle, rgba(99,102,241,.15) 0%, transparent 70%); }

@keyframes float-orb {
  0%,100% { transform: translate(0,0)     scale(1); }
  33%      { transform: translate(24px,-24px) scale(1.06); }
  66%      { transform: translate(-18px,18px) scale(.96); }
}

.hero .container {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: var(--r-full);
  padding: 8px 20px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  animation: fade-up .55s var(--ease) both;
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.035em;
  color: var(--text);
  animation: fade-up .55s var(--ease) .1s both;
}
.hero-title .gradient-text { display: block; }

.hero-subtitle {
  max-width: 540px;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.75;
  animation: fade-up .55s var(--ease) .2s both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--r-full);
  box-shadow: var(--shadow-primary-lg);
  transition: var(--t);
  animation: fade-up .55s var(--ease) .3s both;
}
.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 52px rgba(99,102,241,.52);
}
.hero-cta svg { width: 18px; height: 18px; stroke: #fff; transition: transform var(--t); }
.hero-cta:hover svg { transform: translateX(4px); }

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-top: .5rem;
  animation: fade-up .55s var(--ease) .4s both;
}
.hero-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.hero-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: .78rem; color: var(--text-subtle); font-weight: 500; }
.hero-stat-sep   { width: 1px; height: 40px; background: var(--border); }


/* ── 6. SECTION HEADER ───────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -.025em;
  margin-bottom: 10px;
}
.section-subtitle { font-size: 1.05rem; color: var(--text-muted); }


/* ── 7. TOOLS GRID ───────────────────────────────────────────── */
.tools-section { padding: var(--section-py) 0; }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tool-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  transition: var(--t);
}
.tool-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  border-radius: inherit;
  transition: opacity var(--t);
  pointer-events: none;
}
.tool-card.available:hover {
  border-color: rgba(99,102,241,.35);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99,102,241,.1);
  transform: translateY(-5px);
}
.tool-card.available:hover::after { opacity: 1; }
.tool-card.coming-soon { opacity: .65; }

.tool-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
}
.tool-icon-wrap {
  width: 50px; height: 50px;
  background: var(--gradient);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-primary);
  flex-shrink: 0;
}
.tool-icon-wrap svg { width: 24px; height: 24px; color: #fff; stroke: #fff; }

.tool-card-body { flex: 1; position: relative; }
.tool-card-body h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.tool-card-body p  { font-size: .85rem; color: var(--text-muted); line-height: 1.65; }

.tool-card-footer { position: relative; margin-top: auto; }

.btn-tool {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.18);
  transition: var(--t);
  width: 100%;
}
.btn-tool:hover {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}
.btn-tool-disabled {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-subtle);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  width: 100%;
  cursor: not-allowed;
}


/* ── 8. FEATURES ─────────────────────────────────────────────── */
.features-section {
  padding: var(--section-py) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  padding: 32px 22px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  text-align: center;
  transition: var(--t);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon-wrap {
  width: 58px; height: 58px;
  background: var(--gradient);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  box-shadow: var(--shadow-primary);
}
.feature-icon-wrap svg { width: 26px; height: 26px; color: #fff; stroke: #fff; }
.feature-title { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.feature-desc  { font-size: .845rem; color: var(--text-muted); line-height: 1.7; }


/* ── 9. FOOTER ───────────────────────────────────────────────── */
footer {
  padding: 48px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 4px;
}
.footer-logo-icon {
  width: 30px; height: 30px;
  background: var(--gradient);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}
.footer-logo-icon svg { width: 16px; height: 16px; color: #fff; stroke: #fff; }
.footer-tagline { font-size: .875rem; color: var(--text-muted); }
.footer-copy    { font-size: .8rem;   color: var(--text-subtle); margin-top: 6px; }


/* ── 10. AD BANNERS ──────────────────────────────────────────── */
.ad-banner {
  background: var(--surface-2);
  border: 1px dashed var(--border-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-subtle);
  font-size: .78rem;
  border-radius: var(--r);
}
.ad-top    { width: 100%; max-width: 728px; height: 90px;  margin: 0 auto; }
.ad-bottom { width: 100%; max-width: 970px; height: 250px; margin: 0 auto; }
.ad-side   {
  width: 160px;
  min-height: 600px;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}


/* ── 11. TOOL PAGE ───────────────────────────────────────────── */
.tool-page-wrap { padding: 48px 0; flex: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  justify-content: center;
}
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--text-subtle); }

.tool-page-header { text-align: center; margin-bottom: 40px; }
.tool-page-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.tool-page-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 520px; margin: 0 auto; }

.tool-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  width: 100%;
}
.tool-main-area { flex: 1; min-width: 0; }

/* Panel (glass card on tool page) */
.tool-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-2);
  border-radius: var(--r-lg);
  padding: 60px 32px;
  background: var(--surface-2);
  transition: var(--t);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--primary);
  background: rgba(99,102,241,.04);
}
.upload-icon { width: 58px; height: 58px; color: var(--primary); opacity: .8; margin-bottom: 6px; }
.drop-zone h3 { font-size: 1.15rem; font-weight: 600; color: var(--text-2); }
.drop-zone p  { font-size: .875rem; color: var(--text-muted); }

/* Processing */
.processing-zone {
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.spinner {
  width: 52px; height: 52px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
  margin-bottom: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.processing-zone h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); }
.processing-zone p  { font-size: .875rem; color: var(--text-muted); max-width: 400px; text-align: center; }

/* Result */
.result-zone { width: 100%; }
.image-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.img-wrapper {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px;
  position: relative;
}
.img-wrapper span {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: .7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  letter-spacing: .05em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
  z-index: 1;
}
.img-wrapper img {
  width: 100%;
  border-radius: var(--r-sm);
  max-height: 380px;
  object-fit: contain;
}

/* Transparent checkered BG for result image */
.transparent-bg {
  background-color: #f0f0f0;
  background-image:
    linear-gradient(45deg,  #d8d8d8 25%, transparent 25%),
    linear-gradient(135deg, #d8d8d8 25%, transparent 25%),
    linear-gradient(45deg,  transparent 75%, #d8d8d8 75%),
    linear-gradient(135deg, transparent 75%, #d8d8d8 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 0, 8px -8px, 0 8px;
}
[data-theme="dark"] .transparent-bg {
  background-color: #1c1c1c;
  background-image:
    linear-gradient(45deg,  #2a2a2a 25%, transparent 25%),
    linear-gradient(135deg, #2a2a2a 25%, transparent 25%),
    linear-gradient(45deg,  transparent 75%, #2a2a2a 75%),
    linear-gradient(135deg, transparent 75%, #2a2a2a 75%);
}

.result-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}


/* ── 12. BUTTONS ─────────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 700;
  font-size: .95rem;
  padding: 12px 28px;
  border-radius: var(--r-full);
  border: none;
  cursor: pointer;
  transition: var(--t);
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-primary-lg); }
.btn-primary svg   { width: 18px; height: 18px; stroke: #fff; }

.btn-primary.btn-success {
  background: var(--gradient-success);
  box-shadow: var(--shadow-success);
}
.btn-primary.btn-success:hover { box-shadow: 0 16px 42px rgba(16,185,129,.45); }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface-2); border-color: var(--border-2); }
.btn-secondary svg   { width: 18px; height: 18px; }


/* ── 13. SEO CONTENT ─────────────────────────────────────────── */
.seo-section { padding: 40px 0; }
.seo-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 40px;
}
.seo-card h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.seo-card p  { color: var(--text-muted); line-height: 1.8; }


/* ── 14. ANIMATIONS ──────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ── 15. RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1200px) {
  .tools-grid    { grid-template-columns: repeat(2,1fr); }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .ad-side       { display: none; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }
  .nav-links  { display: none; }
  .tools-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 16px; justify-content: center; }
  .hero-stat-sep { width: 40px; height: 1px; }
  .image-comparison { grid-template-columns: 1fr; }
  .tool-panel { padding: 24px 18px; }
  .seo-card   { padding: 24px; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-title    { font-size: 2.3rem; }
}