/* ============================================
   PIXORA TOOLS — Global Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* Font Awesome CDN Integration */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');

:root {
  --navy: #0B1628;
  --navy-mid: #132240;
  --navy-light: #1E3358;
  --teal: #0CC8C8;
  --teal-dim: #0AA0A0;
  --teal-subtle: rgba(12,200,200,0.08);
  --gold: #D4A853;
  --bg: #F5F6F8;
  --bg-card: #FFFFFF;
  --bg-card2: #FAFBFC;
  --border: #E4E8EF;
  --border-strong: #CDD3DE;
  --text-primary: #0B1628;
  --text-secondary: #4A5568;
  --text-muted: #8896AA;
  --shadow-sm: 0 1px 3px rgba(11,22,40,0.06), 0 1px 2px rgba(11,22,40,0.04);
  --shadow-md: 0 4px 16px rgba(11,22,40,0.08), 0 2px 6px rgba(11,22,40,0.05);
  --shadow-lg: 0 12px 40px rgba(11,22,40,0.12), 0 4px 12px rgba(11,22,40,0.07);
  --shadow-card: 0 2px 8px rgba(11,22,40,0.06), 0 0 1px rgba(11,22,40,0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Font Awesome Icon Styling System */
.fa-icon,
i[class^="fa-"],
i[class*=" fa-"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  color: inherit;
  transition: all var(--transition);
  vertical-align: middle;
}

.tool-icon i {
  font-size: 1.4rem;
}

.upload-icon i {
  font-size: 1.8rem;
  color: #fff;
}

.badge i {
  font-size: 0.75rem;
  margin-right: 4px;
}

button i, .btn i {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.info-box .icon i {
  font-size: 1.1rem;
  color: var(--teal-dim);
}

.preview-placeholder .icon i {
  font-size: 2.2rem;
  color: var(--text-muted);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text-secondary); line-height: 1.7; }

a { color: inherit; text-decoration: none; }

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--navy);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.logo-mark::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--teal);
  position: absolute;
  top: 6px;
  left: 6px;
}

.logo-mark::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  position: absolute;
  bottom: 5px;
  right: 5px;
}

.logo-text span { color: var(--teal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  letter-spacing: 0.01em;
}

.nav-links a:hover {
  color: var(--navy);
  background: var(--bg);
}

.nav-links a.active {
  color: var(--navy);
  background: var(--teal-subtle);
}

.nav-cta {
  background: var(--navy) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  transition: all var(--transition) !important;
}

.nav-cta:hover {
  background: var(--navy-light) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  transition: background var(--transition);
}

.hamburger:hover { background: var(--bg); }

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0; transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11,22,40,0.5);
  z-index: 1100;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.mobile-overlay.visible { opacity: 1; }

.mobile-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: #fff;
  z-index: 1200;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  padding: 0;
  box-shadow: -8px 0 40px rgba(11,22,40,0.15);
}

.mobile-drawer.open { transform: translateX(0); }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.drawer-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.drawer-close:hover { background: var(--bg); color: var(--navy); }

.drawer-nav {
  flex: 1;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drawer-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 1rem;
}

.drawer-nav a:hover {
  color: var(--navy);
  background: var(--bg);
}

.drawer-nav a.active {
  color: var(--navy);
  background: var(--teal-subtle);
  font-weight: 600;
}

.drawer-cta {
  margin: 16px;
  padding: 14px !important;
  background: var(--navy) !important;
  color: #fff !important;
  border-radius: var(--radius-md) !important;
  text-align: center !important;
  font-weight: 600 !important;
  justify-content: center !important;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-teal {
  background: var(--teal);
  color: var(--navy);
  font-weight: 700;
}

.btn-teal:hover {
  background: var(--teal-dim);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(12,200,200,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--bg);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--border);
  color: var(--navy);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.tool-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--navy-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.tool-card:hover {
  border-color: rgba(12,200,200,0.3);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(12,200,200,0.1);
  transform: translateY(-4px);
}

.tool-card:hover::before { transform: scaleX(1); }

.tool-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.tool-card h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 2px;
}

.tool-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.tool-card .arrow {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  transition: all var(--transition);
}

.tool-card:hover .arrow {
  color: var(--teal);
  gap: 8px;
}

/* ============================================
   UPLOAD AREA
   ============================================ */

.upload-zone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg-card2);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--teal);
  background: var(--teal-subtle);
}

.upload-icon {
  width: 64px; height: 64px;
  background: var(--navy);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 16px;
  transition: transform var(--transition);
}

.upload-zone:hover .upload-icon {
  transform: scale(1.05);
}

.upload-zone h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.upload-zone p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea,
select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: all var(--transition);
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(12,200,200,0.12);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Range slider */
input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 6px;
  background: var(--border);
  outline: none;
  cursor: pointer;
  border: none;
  padding: 0;
  box-shadow: none;
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--navy);
  border: 3px solid #fff;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Toggle */
.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.toggle-switch {
  width: 44px; height: 24px;
  background: var(--border);
  border-radius: 12px;
  position: relative;
  transition: background var(--transition);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px; left: 3px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.toggle input:checked + .toggle-switch {
  background: var(--teal);
}

.toggle input:checked + .toggle-switch::after {
  transform: translateX(20px);
}

.toggle input { display: none; }

/* ============================================
   BADGE / CHIP
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge-teal { background: var(--teal-subtle); color: var(--teal-dim); border: 1px solid rgba(12,200,200,0.2); }
.badge-navy { background: rgba(11,22,40,0.06); color: var(--navy); border: 1px solid rgba(11,22,40,0.1); }
.badge-gold { background: rgba(212,168,83,0.1); color: var(--gold); border: 1px solid rgba(212,168,83,0.2); }
.badge-beta { background: rgba(212,168,83,0.1); color: var(--gold); border: 1px solid rgba(212,168,83,0.3); }

/* ============================================
   TOOL PAGE LAYOUT
   ============================================ */

.tool-page-header {
  background: var(--navy);
  padding: 48px 0 56px;
  color: #fff;
}

.tool-page-header .badge { margin-bottom: 16px; }

.tool-page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 10px;
}

.tool-page-header p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  max-width: 500px;
}

.tool-page-body {
  padding: 48px 0;
}

.tool-workspace {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   TOOLS GRID
   ============================================ */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* ============================================
   FEATURES GRID
   ============================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 28px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.feature-card h3 { margin-bottom: 8px; font-size: 1rem; }

/* ============================================
   SECTION LABEL
   ============================================ */

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-label span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-dim);
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ============================================
   DIVIDER
   ============================================ */

.divider {
  height: 1px;
  background: var(--border);
  margin: 40px 0;
}

/* ============================================
   INFO BOX
   ============================================ */

.info-box {
  background: var(--teal-subtle);
  border: 1px solid rgba(12,200,200,0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.info-box .icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.info-box p { font-size: 0.875rem; color: var(--text-secondary); margin: 0; }

/* ============================================
   PREVIEW AREA
   ============================================ */

.preview-box {
  background: repeating-conic-gradient(#E4E8EF 0% 25%, var(--bg-card2) 0% 50%) 0 0 / 16px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-placeholder {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 32px;
}

.preview-placeholder .icon { font-size: 2rem; margin-bottom: 8px; }

/* ============================================
   STATS ROW
   ============================================ */

.stats-row {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item { display: flex; flex-direction: column; gap: 2px; }

.stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 32px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo {
  color: #fff;
  margin-bottom: 12px;
  display: inline-flex;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
  font-family: var(--font-body);
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--teal); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.35); }

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */

.page-hero {
  background: var(--navy);
  padding: 64px 0;
  color: #fff;
}

.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.6); max-width: 540px; font-size: 1.05rem; }

/* ============================================
   PROSE CONTENT
   ============================================ */

.prose h2 { margin: 36px 0 14px; font-size: 1.4rem; }
.prose h3 { margin: 28px 0 10px; font-size: 1.1rem; }
.prose p { margin-bottom: 16px; }
.prose ul { margin: 12px 0 16px 24px; }
.prose ul li { margin-bottom: 8px; color: var(--text-secondary); }
.prose a { color: var(--teal-dim); text-decoration: underline; }

/* ============================================
   404
   ============================================ */

.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  padding: 40px 24px;
}

.error-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  margin-bottom: -10px;
}

/* ============================================
   CROP CANVAS AREA
   ============================================ */

.crop-canvas-wrapper {
  position: relative;
  background: repeating-conic-gradient(#E4E8EF 0% 25%, #fff 0% 50%) 0 0 / 16px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Color swatch */
.color-swatches {
  display: flex;
  gap: 8px;
}

.swatch {
  width: 32px; height: 32px;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.swatch.active { border-color: var(--teal); transform: scale(1.1); }
.swatch:hover { transform: scale(1.05); }

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(12,200,200,0.3); }
  100% { box-shadow: 0 0 0 12px rgba(12,200,200,0); }
}

.animate-fade-up { animation: fadeUp 0.6s var(--transition) both; }
.animate-fade-up-2 { animation: fadeUp 0.6s 0.12s var(--transition) both; }
.animate-fade-up-3 { animation: fadeUp 0.6s 0.24s var(--transition) both; }
.animate-fade-up-4 { animation: fadeUp 0.6s 0.36s var(--transition) both; }
.animate-fade-in { animation: fadeIn 0.6s var(--transition) both; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .section { padding: 56px 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .stats-row { gap: 24px; }

  .tool-workspace { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 2rem; }
  .tools-grid { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr; }
  .upload-zone { padding: 40px 24px; }
}