/* PDFLama Critical CSS — inlined for above-fold render speed */
/* Font-face declarations ensure fonts load immediately */
/* ═══════════════════════════════════════════════════════════════════════
   PDFLama — Design System v4.2
   Icon/Logo : Audiowide (400) — self-hosted
   Display   : Poppins   (400–800) — self-hosted
   Body      : Figtree   (400–700) — Google Fonts
   Light   : #FFFFFF canvas · #16B364 green · #0F1929 text
   Dark    : #0D1117 navy  · #22C55E green · #F0FDF4 text
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Self-hosted Fonts ────────────────────────────────────────────────── */
@font-face {
  font-family: 'Audiowide';
  src: url('../fonts/audiowide-latin-400-normal.woff2') format('woff2'),
       url('../fonts/audiowide-latin-400-normal.woff')  format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-latin-400-normal.woff2') format('woff2'),
       url('../fonts/poppins-latin-400-normal.woff')  format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-latin-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-latin-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-latin-700-normal.woff2') format('woff2'),
       url('../fonts/poppins-latin-700-normal.woff')  format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-latin-800-normal.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* ── Light Mode ──────────────────────────────────────────────────────── */
:root {
  /* Brand neon green */
  --green:        #10B981;
  --green-dark:   #059669;
  --green-light:  #D1FAE5;
  --green-mid:    #A7F3D0;
  --green-glow:   rgba(16,185,129,0.12);
  --green-glow2:  rgba(16,185,129,0.20);
  --green-shadow: 0 4px 24px rgba(16,185,129,0.32);

  /* Canvas */
  --canvas:       #FFFFFF;
  --surface:      #F0FDF9;
  --surface-1:    #ECFDF5;
  --surface-2:    #D1FAE5;
  --border:       #C6F6D5;
  --border-soft:  #E0FFF4;

  /* Text */
  --text:         #0F1929;
  --text-2:       #344054;
  --text-muted:   #667085;
  --text-faint:   #98A2B3;

  /* Semantic */
  --success:      #16B364;
  --success-bg:   #ECFDF5;
  --success-bd:   rgba(22,179,100,0.22);
  --error:        #DC2626;
  --error-bg:     #FEF2F2;
  --error-bd:     rgba(220,38,38,0.20);
  --info:         #0EA5E9;
  --info-bg:      #F0F9FF;
  --info-bd:      rgba(14,165,233,0.20);

  /* Nav */
  --nav-bg:       rgba(255,255,255,0.90);
  --nav-border:   rgba(167,243,208,0.90);

  /* Shadows */
  --shadow-xs:    0 1px 2px rgba(5,30,20,0.05);
  --shadow-sm:    0 1px 3px rgba(5,30,20,0.10),0 1px 2px rgba(5,30,20,0.06);
  --shadow-md:    0 4px 8px rgba(5,30,20,0.08),0 2px 4px rgba(5,30,20,0.04);
  --shadow-lg:    0 12px 24px rgba(5,30,20,0.10),0 4px 8px rgba(5,30,20,0.05);
  --shadow-xl:    0 24px 48px rgba(5,30,20,0.12),0 8px 16px rgba(5,30,20,0.06);

  /* Typography */
  --font-icon:    'Audiowide', sans-serif;
  --font-display: 'Poppins', 'Trebuchet MS', sans-serif;
  --font-body:    'Figtree', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --sp-1:0.25rem;  --sp-2:0.5rem;   --sp-3:0.75rem;
  --sp-4:1rem;     --sp-5:1.25rem;  --sp-6:1.5rem;
  --sp-8:2rem;     --sp-10:2.5rem;  --sp-12:3rem;
  --sp-16:4rem;    --sp-20:5rem;    --sp-24:6rem;

  /* Radius */
  --r-sm:6px;  --r-md:10px;   --r-lg:14px;
  --r-xl:20px; --r-2xl:28px;  --r-full:9999px;

  /* Motion */
  --ease:     cubic-bezier(0.22,1,0.36,1);
  --ease-out: cubic-bezier(0,0,0.2,1);
  --t-fast:   120ms;  --t-mid:220ms;  --t-slow:380ms;

  /* Layout */
  --max-w:  1160px;
  --nav-h:  64px;

  /* Category colors */
  --cc-convert:  #EEF2FF;  --cf-convert:  #4F46E5;
  --cc-optimize: #FFF7ED;  --cf-optimize: #EA580C;
  --cc-organize: #ECFDF5;  --cf-organize: #10B981;
  --cc-extract:  #FDF2F8;  --cf-extract:  #C026D3;
  --cc-secure:   #FFF1F2;  --cf-secure:   #E11D48;
  --cc-view:     #F0F9FF;  --cf-view:     #0284C7;
}

/* ── Dark Mode ───────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --green:        #34D399;
  --green-dark:   #10B981;
  --green-light:  rgba(52,211,153,0.14);
  --green-mid:    rgba(52,211,153,0.24);
  --green-glow:   rgba(52,211,153,0.10);
  --green-glow2:  rgba(52,211,153,0.18);
  --green-shadow: 0 4px 24px rgba(52,211,153,0.28);

  --canvas:      #050F0A;
  --surface:     #0A1A10;
  --surface-1:   #0D2318;
  --surface-2:   #102B1E;
  --border:      rgba(52,211,153,0.12);
  --border-soft: rgba(52,211,153,0.07);

  --text:        #F0FDF4;
  --text-2:      #A7D9BC;
  --text-muted:  #618A78;
  --text-faint:  #2A4A38;

  --nav-bg:      rgba(5,15,10,0.92);
  --nav-border:  rgba(52,211,153,0.10);

  --shadow-xs:   0 1px 2px rgba(0,0,0,0.45);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.55),0 1px 2px rgba(0,0,0,0.35);
  --shadow-md:   0 4px 8px rgba(0,0,0,0.60),0 2px 4px rgba(0,0,0,0.35);
  --shadow-lg:   0 12px 24px rgba(0,0,0,0.70),0 4px 8px rgba(0,0,0,0.45);
  --shadow-xl:   0 24px 48px rgba(0,0,0,0.75),0 8px 16px rgba(0,0,0,0.50);

  --success-bg:  rgba(22,179,100,0.10);
  --success-bd:  rgba(34,197,94,0.22);
  --error-bg:    rgba(220,38,38,0.10);
  --error-bd:    rgba(220,38,38,0.22);
  --info-bg:     rgba(14,165,233,0.10);
  --info-bd:     rgba(14,165,233,0.22);

  --cc-convert:  rgba(79,70,229,0.18);    --cf-convert:  #818CF8;
  --cc-optimize: rgba(234,88,12,0.18);   --cf-optimize: #FB923C;
  --cc-organize: rgba(52,211,153,0.18);  --cf-organize: #34D399;
  --cc-extract:  rgba(192,38,211,0.18);  --cf-extract:  #E879F9;
  --cc-secure:   rgba(225,29,72,0.18);   --cf-secure:   #FB7185;
  --cc-view:     rgba(2,132,199,0.18);   --cf-view:     #38BDF8;
}

/* ── Reset & Base ────────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family:var(--font-body);
  font-size:1rem; line-height:1.65;
  color:var(--text); background:var(--canvas);
  min-height:100vh; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background var(--t-mid) var(--ease),color var(--t-mid) var(--ease);
}
img,svg,video { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
button { cursor:pointer; border:none; background:none; font:inherit; color:inherit; }
ul,ol { list-style:none; }
input,select,textarea { font:inherit; color:inherit; }
h1,h2,h3,h4,h5,h6 { font-family:var(--font-display); color:var(--text); line-height:1.15; }


/* ── Focus Visible — Keyboard Accessibility ────────────────────────────── */
:focus-visible {
  outline: 2.5px solid var(--green);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2.5px solid var(--green);
  outline-offset: 3px;
}

/* ── Typography Scale ─────────────────────────────────────────────────── */
.t-display {
  font-family:var(--font-display); font-size:clamp(2.4rem,5.5vw,4rem);
  font-weight:800; letter-spacing:-0.04em; line-height:1.06;
}
.t-h1 {
  font-family:var(--font-display); font-size:clamp(1.85rem,4vw,3rem);
  font-weight:800; letter-spacing:-0.03em; line-height:1.10;
}
.t-h2 {
  font-family:var(--font-display); font-size:clamp(1.4rem,2.8vw,2.2rem);
  font-weight:700; letter-spacing:-0.025em; line-height:1.18;
}
.t-h3 {
  font-family:var(--font-display); font-size:clamp(1.1rem,1.8vw,1.5rem);
  font-weight:700; letter-spacing:-0.015em; line-height:1.28;
}
.t-h4      { font-family:var(--font-display); font-size:1.0625rem; font-weight:700; line-height:1.35; }
.t-lg      { font-size:1.0625rem; line-height:1.75; }
.t-sm      { font-size:0.875rem; }
.t-xs      { font-size:0.775rem; }
.t-muted   { color:var(--text-muted); }
.t-green   { color:var(--green); }
.t-center  { text-align:center; }
.t-bold    { font-weight:700; }
.t-semi    { font-weight:600; }
.prose     { font-size:1rem; line-height:1.80; color:var(--text-2); }
.prose p   { margin-bottom:var(--sp-4); }
.prose h3  { font-family:var(--font-display); font-weight:700; font-size:1.1rem; margin:var(--sp-6) 0 var(--sp-2); }
.prose a   { color:var(--green); text-decoration:underline; }
.prose strong { color:var(--text); font-weight:700; }

/* ── Layout ───────────────────────────────────────────────────────────── */
.container    { width:100%; max-width:var(--max-w); margin:0 auto; padding:0 var(--sp-6); }
.container-sm { width:100%; max-width:740px;  margin:0 auto; padding:0 var(--sp-6); }
.container-md { width:100%; max-width:920px;  margin:0 auto; padding:0 var(--sp-6); }
.section      { padding:var(--sp-20) 0; }
.section-sm   { padding:var(--sp-12) 0; }
.w-full       { width:100%; }

/* ── Navigation ───────────────────────────────────────────────────────── */
.nav {
  position:sticky; top:0; z-index:200;
  height:var(--nav-h);
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-border);
  backdrop-filter:blur(24px) saturate(160%);
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  transition:background var(--t-mid) var(--ease),border-color var(--t-mid),box-shadow var(--t-mid);
}
.nav.scrolled { box-shadow:var(--shadow-md); }
.nav__inner { display:flex; align-items:center; height:var(--nav-h); gap:var(--sp-6); }
.nav__logo {
  display:flex; align-items:center; gap:9px;
  font-family:var(--font-icon); font-weight:400; font-size:1.15rem;
  letter-spacing:0; color:var(--text); flex-shrink:0;
  transition:opacity var(--t-fast);
}
.nav__logo:hover { opacity:0.8; }
.nav__logo-mark {
  width:30px; height:30px;
  background:var(--green); border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; box-shadow:var(--green-shadow);
}
.nav__logo em { color:var(--green); font-style:normal; }
.nav__links { display:flex; align-items:center; gap:var(--sp-1); margin-left:var(--sp-2); flex:1; }
.nav__link {
  padding:var(--sp-2) var(--sp-3);
  font-size:0.875rem; font-weight:500; color:var(--text-muted);
  border-radius:var(--r-md);
  transition:color var(--t-fast),background var(--t-fast);
}
.nav__link:hover { color:var(--text); background:var(--surface-1); }
.nav__link.active { color:var(--text); font-weight:600; }
.nav__actions { display:flex; align-items:center; gap:var(--sp-3); margin-left:auto; flex-shrink:0; }

/* Theme toggle */
/* ── Theme Toggle — catchy pill/glow button ──────────────────────────── */
.theme-toggle {
  position: relative;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 1.5px solid #fde68a;
  color: #b45309;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.25s ease,
              background 0.35s ease,
              border-color 0.35s ease,
              color 0.35s ease;
  box-shadow: 0 1px 6px rgba(251,191,36,0.2);
  flex-shrink: 0;
}
.theme-toggle:hover {
  transform: scale(1.15) rotate(15deg);
  box-shadow: 0 3px 12px rgba(251,191,36,0.38), 0 0 0 3px rgba(251,191,36,0.12);
}
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
[data-theme="dark"] .theme-toggle {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  border-color: #4f46e5;
  color: #c7d2fe;
  box-shadow: 0 1px 6px rgba(99,102,241,0.25);
}
[data-theme="dark"] .theme-toggle:hover {
  transform: scale(1.15) rotate(-15deg);
  box-shadow: 0 3px 12px rgba(99,102,241,0.4), 0 0 0 3px rgba(99,102,241,0.15);
}

/* Touch targets — ensure tap area is at least 44px without changing visual size */
@media (hover:none) and (pointer:coarse) {
  .theme-toggle { padding: 5px; }
}

/* Burger ─────────────────────────────────────────────────────────────── */
.nav__burger {
  display: none; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--r-md); color: var(--text-muted);
  transition: background var(--t-fast), color var(--t-fast), transform 0.2s;
  flex-shrink: 0;
}
.nav__burger:hover { background: var(--surface-1); color: var(--text); }
.nav__burger.is-open { color: var(--text); }

/* Drawer overlay ────────────────────────────────────────────────────── */
.nav__overlay {
  display: none;
  position: fixed; inset: 0; z-index: 297;
  background: rgba(15,25,41,0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nav__overlay.open { opacity: 1; }
[data-theme="dark"] .nav__overlay { background: rgba(0,0,0,0.65); }

/* Drawer ────────────────────────────────────────────────────────────── */
.nav__drawer {
  display: flex; flex-direction: column;
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(320px, 88vw);
  background: var(--canvas);
  box-shadow: -8px 0 48px rgba(15,25,41,0.15), -1px 0 0 var(--border-soft);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto; z-index: 298;
  will-change: transform;
}
[data-theme="dark"] .nav__drawer { box-shadow: -8px 0 48px rgba(0,0,0,0.4), -1px 0 0 rgba(255,255,255,0.06); }
.nav__drawer.open { transform: translateX(0); }

/* Drawer inner layout */
.nav__drawer-inner {
  display: flex; flex-direction: column;
  padding: var(--sp-3) 0 var(--sp-6);
  min-height: 100%;
}
.nav__drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: var(--sp-3);
}
.nav__drawer-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-icon); font-size: 1.05rem;
  color: var(--text); text-decoration: none;
}
.nav__drawer-close {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-md); color: var(--text-muted);
  transition: background var(--t-fast), color var(--t-fast), transform 0.2s;
}
.nav__drawer-close:hover { background: var(--surface-1); color: var(--text); transform: rotate(90deg); }
.nav__drawer-section-title {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint);
  padding: var(--sp-3) var(--sp-5) var(--sp-1);
}
.nav__drawer-links {
  display: flex; flex-direction: column; gap: 2px;
  padding: 0 var(--sp-3);
}
.nav__drawer .nav__link {
  font-size: 0.9375rem; padding: 10px var(--sp-3);
  border-radius: var(--r-md);
  display: flex; align-items: center; gap: 10px;
  font-weight: 500; color: var(--text-2);
  transition: background var(--t-fast), color var(--t-fast);
}
.nav__drawer .nav__link:hover,
.nav__drawer .nav__link.active { background: var(--surface-1); color: var(--text); }
.nav__drawer .nav__link svg { width: 16px; height: 16px; color: var(--text-muted); flex-shrink: 0; }
.nav__drawer .nav__link:hover svg,
.nav__drawer .nav__link.active svg { color: var(--green); }
.nav__drawer-divider {
  height: 1px; background: var(--border-soft);
  margin: var(--sp-3) var(--sp-5);
}
.nav__drawer-footer {
  margin-top: auto; padding: var(--sp-5);
  border-top: 1px solid var(--border-soft);
  display: flex; flex-direction: column; gap: var(--sp-4);
}
.nav__drawer-theme-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-2) var(--sp-1);
}
.nav__drawer-theme-label { font-size: 0.875rem; font-weight: 500; color: var(--text-2); }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:var(--sp-2);
  font-family:var(--font-body); font-weight:600; font-size:0.9375rem;
  padding:0.65em 1.4em;
  border-radius:var(--r-md); border:1.5px solid transparent;
  cursor:pointer; line-height:1.4; white-space:nowrap; text-decoration:none;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast),
             box-shadow var(--t-fast),transform var(--t-fast);
}
.btn:active { transform:translateY(1px); }
.btn-primary { background:var(--green); color:#fff; border-color:var(--green-dark); }
.btn-primary:hover { background:var(--green-dark); box-shadow:var(--green-shadow); }
.btn-secondary { background:var(--surface-1); color:var(--text-2); border-color:var(--border); }
.btn-secondary:hover { background:var(--border-soft); border-color:var(--text-faint); }
.btn-outline { background:transparent; color:var(--green); border-color:var(--green); }
.btn-outline:hover { background:var(--green-glow); }
.btn-ghost { background:transparent; color:var(--text-muted); border-color:transparent; }
.btn-ghost:hover { color:var(--text); background:var(--surface-1); }
.btn-xs  { font-size:0.78rem;  padding:0.35em 0.9em; }
.btn-sm  { font-size:0.84rem;  padding:0.5em 1.1em; }
.btn-lg  { font-size:1rem;     padding:0.72em 1.65em; }
.btn-xl  { font-size:1.0625rem; padding:0.82em 2.1em; border-radius:var(--r-lg); }

/* ── Badges ───────────────────────────────────────────────────────────── */
.badge {
  display:inline-flex; align-items:center; gap:5px;
  font-size:0.75rem; font-weight:600; letter-spacing:0.01em;
  padding:3px 10px; border-radius:var(--r-full);
  background:var(--surface-1); color:var(--text-muted); border:1px solid var(--border);
}
.badge-green { background:var(--green-light); color:#065F46; border-color:var(--green-mid); }
[data-theme="dark"] .badge-green { color:#34D399; }

/* ── Cards ────────────────────────────────────────────────────────────── */
.card {
  background:var(--canvas); border:1px solid var(--border);
  border-radius:var(--r-xl); box-shadow:var(--shadow-xs);
  transition:box-shadow var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),border-color var(--t-mid);
}
.card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.card.interactive:hover { border-color:var(--green); }

/* ── Tool Cards ───────────────────────────────────────────────────────── */
.tool-card {
  display:flex; align-items:flex-start; gap:var(--sp-4);
  padding:var(--sp-5);
  background:var(--canvas); border:1.5px solid var(--border);
  border-radius:var(--r-xl); cursor:pointer;
  text-decoration:none; color:var(--text);
  transition:box-shadow var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),border-color var(--t-mid);
  position:relative; overflow:hidden;
}
.tool-card::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg,var(--tool-bg,var(--surface)) 0%,transparent 55%);
  opacity:0; transition:opacity var(--t-mid); pointer-events:none;
}
.tool-card:hover {
  box-shadow:var(--shadow-lg); transform:translateY(-3px);
  border-color:var(--tool-color,var(--green));
}
.tool-card:hover::after { opacity:1; }
.tool-card__icon {
  width:44px; height:44px; flex-shrink:0;
  border-radius:var(--r-lg);
  background:var(--tool-bg,var(--surface-1));
  display:flex; align-items:center; justify-content:center;
  color:var(--tool-color,var(--green));
  transition:transform var(--t-mid) var(--ease);
}
.tool-card:hover .tool-card__icon { transform:scale(1.08); }
.tool-card__icon svg { width:22px; height:22px; }
.tool-card__body { flex:1; min-width:0; }
.tool-card__title {
  font-family:var(--font-display); font-size:0.9375rem; font-weight:700;
  margin-bottom:3px; color:var(--text);
}
.tool-card__desc { font-size:0.8rem; color:var(--text-muted); line-height:1.5; }
.tool-card__arrow {
  position:absolute; right:var(--sp-4); top:50%;
  transform:translateY(-50%) translateX(5px);
  color:var(--tool-color,var(--green)); opacity:0;
  transition:opacity var(--t-mid),transform var(--t-mid) var(--ease);
}
.tool-card:hover .tool-card__arrow { opacity:1; transform:translateY(-50%) translateX(0); }

/* .compare-table consolidated below */


/* ── Upload Zone (critical above-fold) */
.upload-zone {
  border: 2px dashed var(--border); border-radius: var(--r-2xl);
  padding: var(--sp-12) var(--sp-8); text-align: center; cursor: pointer;
  background: var(--surface); transition: border-color var(--t-mid), background var(--t-mid);
  position: relative; overflow: hidden;
}
.upload-zone__icon {
  width: 64px; height: 64px; margin: 0 auto var(--sp-5);
  background: var(--surface-1); border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  color: var(--green);
}
.upload-zone__title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; margin-bottom: var(--sp-2); }
.upload-zone__sub { font-size: 0.84rem; color: var(--text-muted); }
/* Animations */
@keyframes fadeUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:none} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes scaleIn { from{opacity:0;transform:scale(0.95)} to{opacity:1;transform:scale(1)} }
.anim-fade-up  { animation: fadeUp  0.55s var(--ease) both; }
.anim-fade-in  { animation: fadeIn  0.4s  var(--ease) both; }
.anim-scale-in { animation: scaleIn 0.4s  var(--ease) both; }
.d1{animation-delay:.08s} .d2{animation-delay:.16s} .d3{animation-delay:.24s} .d4{animation-delay:.32s}
.reveal { opacity:0; transform:translateY(18px); transition:opacity 0.5s var(--ease),transform 0.5s var(--ease); }
.reveal.visible { opacity:1; transform:none; }