/* ==========================================================
   Folio — PDF toolkit  |  Complete stylesheet
   Dark navy base · Indigo primary · Amber accent
   Split hero · Tab categories · Horizontal card list
   ========================================================== */

/* Google Fonts loaded non-blocking via HTML <link> — @import removed to prevent render-blocking */

:root {
  /* ── Brand palette ── */
  --primary:       #6366F1;
  --primary-dark:  #4F46E5;
  --primary-light: rgba(99,102,241,0.12);
  --accent:        #F59E0B;
  --accent-light:  rgba(245,158,11,0.12);
  --success:       #10B981;
  --danger:        #F43F5E;

  /* ── Surfaces ── */
  --bg:         #080B14;
  --bg-surface: #0C1021;
  --bg-card:    #111827;
  --bg-card-hv: #161E30;

  /* ── Text ── */
  --text:       #F1F5F9;
  --text-soft:  #94A3B8;
  --text-muted: #4B5568;

  /* ── Borders ── */
  --border:         rgba(255,255,255,0.07);
  --border-hover:   rgba(255,255,255,0.13);
  --border-primary: rgba(99,102,241,0.45);

  /* ── Effects ── */
  --shadow:    0 8px 32px rgba(0,0,0,0.55);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.65);

  /* ── Geometry ── */
  --radius:   14px;
  --radius-sm: 8px;
  --header-h: 62px;

  /* ── Gradients ── */
  --grad-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --grad-warm:    linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  --grad-cool:    linear-gradient(135deg, #06B6D4 0%, #6366F1 100%);

  /* ── Legacy aliases (tool.css references these) ── */
  --red:       var(--primary);
  --red-dark:  var(--primary-dark);
  --red-light: var(--primary-light);
  --green:     var(--success);
  --ink:       var(--text);
  --ink-soft:  var(--text-soft);
  --line:      var(--border);
  --bg-soft:   var(--bg-surface);
}

/* ─────────────────── Reset ─── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, .brand { font-family: 'Space Grotesk', sans-serif; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; display: block; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 99px; }

/* Page fade-in — opacity stays 1 so Lighthouse FCP is not blocked */
body { animation: pageIn .38s ease; }
@keyframes pageIn { from { opacity:0.92; transform:translateY(6px); } to { opacity:1; transform:translateY(0); } }
body.leaving { animation: pageOut .22s ease forwards; }
@keyframes pageOut { to { opacity:0; transform:translateY(-6px); } }



/* ═══════════════════════════════════════ HEADER ═══════════════ */
header.site-header {
  display: flex; align-items: center; gap: 20px;
  padding: 0 36px;
  height: var(--header-h);
  background: rgba(8,11,20,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 200;
}

/* Brand */
.brand {
  display: flex; align-items: center; gap: 9px;
  font-size: 20px; font-weight: 700; color: var(--text); cursor: pointer;
  letter-spacing: -.02em; flex-shrink: 0;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--grad-warm);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 16px; font-weight: 800;
  box-shadow: 0 4px 16px rgba(245,158,11,0.45);
  flex-shrink: 0; transition: box-shadow .2s;
}
.brand:hover .brand-mark { box-shadow: 0 4px 28px rgba(245,158,11,0.75); transform: scale(1.07); transition: box-shadow .2s, transform .2s; }
/* JS injects "We<span>Love</span>PDF" — override to hide inner span coloring */
.brand span { color: inherit; }

/* Nav */
nav.site-nav {
  display: flex; gap: 2px; align-items: center; flex: 1;
}
nav.site-nav a {
  padding: 7px 14px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-soft);
  transition: color .16s ease, background .16s ease; white-space: nowrap;
}
nav.site-nav a:hover { color: var(--text); background: rgba(255,255,255,0.05); }

/* Auth actions */
.nav-actions { display: flex; gap: 8px; align-items: center; margin-left: auto; }

/* Buttons */
.btn {
  padding: 9px 20px; border-radius: var(--radius-sm); border: none; cursor: pointer;
  font-weight: 600; font-size: 14px; font-family: inherit;
  transition: transform .15s, box-shadow .15s, background .15s; white-space: nowrap;
}
.btn-primary {
  background: var(--grad-primary); color: #fff;
  box-shadow: 0 4px 16px rgba(99,102,241,0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(99,102,241,0.5); }
.btn-primary:disabled { opacity:.4; cursor:not-allowed; transform:none; box-shadow:none; }
.btn-ghost {
  background: transparent; color: var(--text-soft);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-hover); color: var(--text); background: rgba(255,255,255,0.04); }
.btn-green {
  background: linear-gradient(135deg,#10B981,#059669); color: #fff; font-weight: 700;
}
.btn-green:hover { transform:translateY(-1px); box-shadow:0 8px 22px rgba(16,185,129,.35); }

/* User chip (JS-injected when logged in) */
.user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 14px 5px 5px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 14px; font-weight: 600; cursor: pointer; color: var(--text);
  transition: border-color .18s;
}
.user-chip:hover { border-color: var(--border-hover); }
.user-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--grad-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}

.mobile-toggle { display:none; background:none; border:none; font-size:22px; cursor:pointer; color:var(--text); }

/* Mobile nav */
@media (max-width: 860px) {
  header.site-header { padding: 0 20px; }
  nav.site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--bg-surface); flex-direction: column; gap: 4px;
    padding: 16px 12px; align-items: stretch;
    transform: translateX(-100%); transition: transform .25s ease;
    z-index: 150; overflow-y: auto; border-right: 1px solid var(--border);
  }
  nav.site-nav.open { transform: translateX(0); }
  nav.site-nav a { padding: 14px 16px; font-size: 15px; border-radius: 10px; }
  .mobile-toggle { display: block; }
  .nav-actions .btn-ghost { display: none; }
}


/* ═══════════════════════════════════════ HERO ═══════════════ */
/* Split layout: left text / right tool preview grid */
.hero {
  display: grid;
  grid-template-columns: 1fr 420px;
  min-height: calc(85vh - var(--header-h));
  max-width: 1200px; margin: 0 auto;
  padding: 72px 40px 56px;
  gap: 64px; align-items: center;
  position: relative;
}
@media (max-width: 1000px) { .hero { grid-template-columns: 1fr; padding: 52px 28px 40px; min-height: auto; } }

/* Ambient glow blobs */
.hero::before {
  content: '';
  position: fixed; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.14) 0%, transparent 70%);
  top: -200px; left: -100px; pointer-events: none; z-index: 0;
  animation: blobDrift 16s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: fixed; width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
  top: 10%; right: 5%; pointer-events: none; z-index: 0;
  animation: blobDrift 12s ease-in-out infinite reverse;
}
@keyframes blobDrift {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(20px,-25px) scale(1.05); }
}

/* Left: text content */
.hero-content {
  display: flex; flex-direction: column; gap: 28px;
  position: relative; z-index: 1;
}
.hero-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-light); border: 1px solid rgba(245,158,11,0.25);
  color: var(--accent); padding: 7px 16px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; width: fit-content;
  letter-spacing: .02em;
}
.hero h1 {
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 800; margin: 0; line-height: 1.04; letter-spacing: -.035em;
  color: var(--text);
}
.hero h1 em {
  font-style: normal;
  background: var(--grad-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content > p {
  font-size: clamp(15px, 1.8vw, 18px); color: var(--text-soft);
  line-height: 1.65; margin: 0; max-width: 460px;
}

/* CTA buttons */
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad-primary); color: #fff;
  padding: 14px 28px; border-radius: var(--radius-sm); font-weight: 700; font-size: 15px;
  box-shadow: 0 8px 28px rgba(99,102,241,0.4);
  transition: transform .18s ease, box-shadow .18s ease; cursor: pointer; border: none;
  font-family: inherit;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(99,102,241,0.55); }
.hero-link {
  font-size: 14px; font-weight: 600; color: var(--text-soft);
  display: inline-flex; align-items: center; gap: 5px;
  transition: color .18s ease;
}
.hero-link:hover { color: var(--text); }

/* Stats row */
.hero-stats { display: flex; gap: 36px; padding-top: 4px; }
.hero-stats .stat strong { display:block; font-size:22px; font-weight:700; color:var(--text); font-family:'Space Grotesk',sans-serif; line-height:1; }
.hero-stats .stat span { font-size:12px; color:var(--text-muted); margin-top:3px; display:block; }

/* badge-row — kept for JS compat, hidden */
.badge-row { display: none; }

/* Right: decorative tool preview */
.hero-visual { position: relative; z-index: 1; }
@media (max-width: 1000px) { .hero-visual { display: none; } }

.hero-tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.htc {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px;
  display: flex; align-items: center; gap: 11px;
  font-size: 13px; font-weight: 600; color: var(--text-soft);
  transition: border-color .18s ease, background .18s ease;
  animation: cardBob 5s ease-in-out infinite;
}
.htc:nth-child(2) { animation-delay:.7s; }
.htc:nth-child(3) { animation-delay:1.4s; }
.htc:nth-child(4) { animation-delay:2.1s; }
.htc:nth-child(5) { animation-delay:2.8s; }
.htc:nth-child(6) { animation-delay:3.5s; }
.htc:nth-child(7) { animation-delay:4.2s; }
.htc:nth-child(8) { animation-delay:4.9s; }
.htc:hover { border-color: var(--border-hover); color: var(--text); }
.htc--featured {
  grid-column: span 2;
  background: var(--primary-light); border-color: var(--border-primary);
  color: var(--text); padding: 18px 20px;
}
.htc-icon {
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: #fff; flex-shrink: 0;
}
.htc--featured .htc-icon { width: 44px; height: 44px; border-radius: 10px; font-size: 20px; }
.htc-info { display: flex; flex-direction: column; gap: 2px; }
.htc-name { font-size: 15px; font-weight: 700; color: var(--text); }
.htc-sub { font-size: 12px; color: var(--text-soft); }
@keyframes cardBob {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}


/* ═════════════════════════════ CATEGORY TABS ═══════════════ */
/* Sticky tab bar under header */
.filter-section {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: var(--header-h); z-index: 100;
}
.filter-row {
  display: flex; gap: 0;
  max-width: 1100px; margin: 0 auto;
  padding: 0 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filter-row::-webkit-scrollbar { display: none; }

.filter-chip {
  padding: 14px 24px;
  border-radius: 0; border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  white-space: nowrap; cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.filter-chip.active {
  color: var(--primary); border-bottom-color: var(--primary); font-weight: 600;
}
.filter-chip:hover:not(.active) {
  color: var(--text-soft); background: rgba(255,255,255,0.03);
}
@media (max-width: 600px) {
  .filter-row { padding: 0 16px; }
  .filter-chip { padding: 12px 16px; font-size: 13px; }
}


/* ═══════════════════════════════ TOOL GRID ═══════════════ */
/* Two-column list of HORIZONTAL cards — very different from iLovePDF */
.tools-wrap { padding: 32px 40px 100px; background: var(--bg); }
.tools-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}
@media (max-width: 800px)  { .tools-grid { grid-template-columns: 1fr; } }
@media (max-width: 500px)  { .tools-wrap { padding: 24px 16px 80px; } }

/* Horizontal card layout via CSS Grid */
.tool-card {
  display: grid;
  grid-template-columns: 46px 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: center;
  padding: 17px 20px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.tool-card:hover {
  border-color: var(--border-primary);
  background: var(--bg-card-hv);
  transform: translateX(3px);
}
.tool-card.hidden { display: none; }

/* Left accent bar on hover */
.tool-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad-primary); border-radius: 0;
  transform: scaleY(0); transform-origin: center;
  transition: transform .2s ease;
}
.tool-card:hover::before { transform: scaleY(1); }

/* Arrow on right */
.tool-card::after {
  content: '→';
  grid-column: 3; grid-row: 1 / 3; align-self: center;
  color: var(--text-muted); font-size: 16px;
  opacity: 0; transform: translateX(-6px);
  transition: opacity .18s ease, transform .18s ease;
}
/* Need 3 columns for the arrow */
.tool-card {
  grid-template-columns: 46px 1fr auto;
}
.tool-card:hover::after { opacity: 1; transform: translateX(0); }

.tool-icon {
  width: 46px; height: 46px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; color: #fff; flex-shrink: 0;
  grid-column: 1; grid-row: 1 / 3;
}
.tool-card h3 {
  grid-column: 2; grid-row: 1; align-self: end;
  margin: 0; font-size: 14.5px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tool-card p {
  grid-column: 2; grid-row: 2; align-self: start;
  margin: 0; font-size: 12px; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tool-tag {
  position: absolute; top: 8px; right: 8px;
  font-size: 10px; font-weight: 700;
  background: var(--primary-light); color: var(--primary);
  padding: 2px 8px; border-radius: 5px;
}
.tool-tag.soon { background: rgba(255,255,255,0.04); color: var(--text-muted); }


/* ═══════════════════════════════ FOOTER ═══════════════ */
footer.site-footer {
  padding: 28px 40px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--text-muted); font-size: 13px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
footer.site-footer a { color: var(--primary); }
footer.site-footer a:hover { text-decoration: underline; }
@media (max-width: 600px) { footer.site-footer { padding: 24px 20px; justify-content: center; text-align: center; } }