/* ═══════════════════════════════════════
   PDFinity – style.css
   Designer: Chintan Parmar
═══════════════════════════════════════ */

:root {
  --c-bg: #0a0a0f;
  --c-bg2: #111118;
  --c-bg3: #16161f;
  --c-surface: #1c1c27;
  --c-border: rgba(255,255,255,0.08);
  --c-text: #f0f0f7;
  --c-muted: #8888a8;
  --c-accent: #e8450a;
  --c-accent2: #ff6b35;
  --c-white: #ffffff;

  /* Soft card tints */
  --c-red-soft:    rgba(232,69,10,0.15);
  --c-orange-soft: rgba(255,147,54,0.15);
  --c-yellow-soft: rgba(255,214,10,0.15);
  --c-green-soft:  rgba(54,200,130,0.15);
  --c-blue-soft:   rgba(54,142,255,0.15);
  --c-teal-soft:   rgba(54,214,200,0.15);
  --c-purple-soft: rgba(160,90,255,0.15);
  --c-pink-soft:   rgba(255,90,180,0.15);

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ─── TYPOGRAPHY ─── */
h1,h2,h3,h4 { font-family: 'Syne', sans-serif; }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 32px;
  padding: 18px 48px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
}
.logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem; font-weight: 800;
  display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.02em;
}
.logo-icon { color: var(--c-accent); font-size: 1.2rem; }
.logo-accent { color: var(--c-accent); }
.nav-links {
  display: flex; gap: 28px; list-style: none; margin-left: auto;
}
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--c-muted);
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--c-text); }
.nav-cta {
  padding: 9px 22px; border-radius: 50px;
  background: var(--c-accent); color: #fff;
  font-family: 'DM Sans', sans-serif; font-size: 0.88rem; font-weight: 500;
  border: none; cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.nav-cta:hover { background: var(--c-accent2); transform: translateY(-1px); }

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 48px 80px;
  overflow: hidden;
  gap: 60px;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(232,69,10,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,69,10,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232,69,10,0.25), transparent 70%);
  top: -100px; left: -100px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(160,90,255,0.15), transparent 70%);
  bottom: 0; right: 10%;
}
.hero-content { position: relative; z-index: 1; flex: 1; max-width: 620px; }
.hero-badge {
  display: inline-block;
  padding: 6px 16px; border-radius: 50px;
  border: 1px solid rgba(232,69,10,0.4);
  background: rgba(232,69,10,0.1);
  color: var(--c-accent2); font-size: 0.82rem; font-weight: 500;
  margin-bottom: 28px;
  animation: fadeUp 0.6s ease both;
}
.hero-title {
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.04em;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2), #ffb347);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  margin-top: 20px; font-size: 1.1rem; color: var(--c-muted); max-width: 500px;
  animation: fadeUp 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex; gap: 16px; align-items: center; margin-top: 36px;
  animation: fadeUp 0.6s 0.3s ease both;
}
.btn-primary {
  padding: 14px 30px; border-radius: 50px;
  background: var(--c-accent); color: #fff;
  font-family: 'DM Sans', sans-serif; font-size: 0.95rem; font-weight: 500;
  border: none; cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 30px rgba(232,69,10,0.35);
  display: inline-block;
}
.btn-primary:hover { background: var(--c-accent2); transform: translateY(-2px); box-shadow: 0 0 40px rgba(232,69,10,0.5); }
.btn-ghost {
  padding: 14px 24px; color: var(--c-muted);
  font-size: 0.95rem; transition: color var(--transition);
}
.btn-ghost:hover { color: var(--c-text); }
.hero-stats {
  display: flex; align-items: center; gap: 24px; margin-top: 48px;
  animation: fadeUp 0.6s 0.4s ease both;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat strong { font-family: 'Syne', sans-serif; font-size: 1.5rem; font-weight: 800; }
.stat span { font-size: 0.8rem; color: var(--c-muted); }
.stat-divider { width: 1px; height: 36px; background: var(--c-border); }

/* Hero Visual */
.hero-visual {
  position: relative; z-index: 1; flex-shrink: 0;
  width: 340px; height: 380px;
  display: none;
}
@media(min-width:1000px) { .hero-visual { display: block; } }
.pdf-card {
  position: absolute; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 24px; width: 180px;
  animation: float 3s ease-in-out infinite;
}
.pdf-card-1 { top: 20px; left: 0; animation-delay: 0s; }
.pdf-card-2 { top: 120px; left: 100px; animation-delay: 0.8s; }
.pdf-card-3 { top: 220px; left: 30px; animation-delay: 1.6s; }
.pdf-card-icon { font-size: 2rem; margin-bottom: 12px; }
.pdf-card-bar {
  height: 8px; background: var(--c-border); border-radius: 4px; margin-top: 8px;
}
.pdf-card-bar.short { width: 60%; }
.pdf-float-badge {
  position: absolute; right: -10px; top: 60px;
  background: var(--c-accent); color: #fff;
  padding: 8px 16px; border-radius: 50px; font-size: 0.82rem; font-weight: 500;
  animation: float 3s 1s ease-in-out infinite;
  white-space: nowrap;
}

/* ─── TOOLS SECTION ─── */
.tools-section { padding: 100px 0; background: var(--c-bg); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-title { font-size: clamp(2rem, 3vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; }
.section-sub { color: var(--c-muted); margin-top: 8px; font-size: 1rem; }

/* Category Nav */
.category-nav {
  display: flex; gap: 10px; justify-content: center;
  margin-bottom: 48px; flex-wrap: wrap;
}
.cat-btn {
  padding: 9px 22px; border-radius: 50px;
  border: 1px solid var(--c-border);
  background: transparent; color: var(--c-muted);
  font-family: 'DM Sans', sans-serif; font-size: 0.88rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
}
.cat-btn:hover { border-color: var(--c-accent); color: var(--c-text); }
.cat-btn.active { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.tool-card {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: all var(--transition);
  cursor: pointer; text-decoration: none; color: var(--c-text);
  position: relative; overflow: hidden;
}
.tool-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(232,69,10,0.04), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.tool-card:hover { border-color: rgba(232,69,10,0.4); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
.tool-card:hover::before { opacity: 1; }
.tool-card.hidden { display: none; }
.tool-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.tool-info h3 { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.tool-info p { font-size: 0.82rem; color: var(--c-muted); margin-top: 3px; }
.tool-arrow {
  margin-left: auto; color: var(--c-muted); font-size: 1.1rem;
  transition: transform var(--transition), color var(--transition);
}
.tool-card:hover .tool-arrow { transform: translateX(4px); color: var(--c-accent); }

/* ─── HOW IT WORKS ─── */
.how-section {
  padding: 100px 0;
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.steps-row {
  display: flex; align-items: center; gap: 24px;
  margin-top: 60px; flex-wrap: wrap; justify-content: center;
}
.step-card {
  flex: 1; min-width: 240px; max-width: 300px;
  padding: 36px 28px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-border);
  text-align: center; position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num {
  font-family: 'Syne', sans-serif; font-size: 0.78rem; font-weight: 800;
  color: var(--c-accent); letter-spacing: 0.1em; margin-bottom: 16px;
}
.step-icon { font-size: 2.5rem; margin-bottom: 16px; }
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { color: var(--c-muted); font-size: 0.9rem; }
.step-connector { font-size: 1.5rem; color: var(--c-accent); flex-shrink: 0; }

/* ─── FEATURES ─── */
.features-section { padding: 100px 0; }
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.feature-highlight {
  grid-column: 1; grid-row: 1 / 3;
  padding: 48px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(232,69,10,0.15), rgba(232,69,10,0.04));
  border: 1px solid rgba(232,69,10,0.3);
  display: flex; flex-direction: column; justify-content: center; gap: 16px;
}
.feature-highlight h2 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; }
.feature-highlight p { color: var(--c-muted); font-size: 1rem; }
.feature-item {
  padding: 32px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-border);
  transition: transform var(--transition);
}
.feature-item:hover { transform: translateY(-3px); }
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { color: var(--c-muted); font-size: 0.88rem; }

@media(max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .feature-highlight { grid-row: 1; }
}

/* ─── FOOTER ─── */
.footer {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  padding: 60px 0 28px;
}
.footer-top { display: flex; gap: 48px; margin-bottom: 48px; flex-wrap: wrap; }
.footer-brand { flex: 1; min-width: 220px; }
.footer-brand p { color: var(--c-muted); margin-top: 16px; font-size: 0.9rem; line-height: 1.7; }
.footer-creator { color: var(--c-accent); font-weight: 500; }
.footer-creator:hover { color: var(--c-accent2); }
.footer-links { display: flex; gap: 48px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-family: 'Syne', sans-serif; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-muted); }
.footer-col a { font-size: 0.9rem; color: var(--c-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--c-accent); }
.footer-bottom {
  border-top: 1px solid var(--c-border); padding-top: 24px;
  text-align: center; color: var(--c-muted); font-size: 0.85rem;
}
.footer-bottom strong { color: var(--c-text); }

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  padding: 140px 48px 80px;
  background: var(--c-bg2);
  border-bottom: 1px solid var(--c-border);
  text-align: center;
}
.page-hero h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 800; letter-spacing: -0.04em; }
.page-hero p { color: var(--c-muted); font-size: 1.1rem; margin-top: 14px; max-width: 560px; margin-inline: auto; }

/* ─── TOOL PAGE ─── */
.tool-page { padding: 60px 0 100px; }
.upload-zone {
  border: 2px dashed var(--c-border); border-radius: var(--radius);
  padding: 64px 32px; text-align: center;
  cursor: pointer; transition: all var(--transition);
  background: var(--c-surface);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--c-accent);
  background: rgba(232,69,10,0.05);
}
.upload-icon { font-size: 3rem; margin-bottom: 16px; }
.upload-zone h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.upload-zone p { color: var(--c-muted); font-size: 0.9rem; }
.upload-zone input[type="file"] { display: none; }
.upload-btn {
  display: inline-block; margin-top: 20px;
  padding: 12px 28px; border-radius: 50px;
  background: var(--c-accent); color: #fff;
  font-size: 0.9rem; font-weight: 500;
  transition: background var(--transition);
}
.upload-btn:hover { background: var(--c-accent2); }

.options-panel {
  margin-top: 32px; padding: 28px;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.options-panel h3 { font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.option-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.option-row label { color: var(--c-muted); font-size: 0.9rem; }
.option-row select, .option-row input[type="range"] {
  background: var(--c-bg); border: 1px solid var(--c-border); color: var(--c-text);
  padding: 8px 14px; border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem; outline: none;
}
.process-btn {
  width: 100%; margin-top: 24px;
  padding: 16px; border-radius: var(--radius-sm);
  background: var(--c-accent); color: #fff;
  font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 500;
  border: none; cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.process-btn:hover { background: var(--c-accent2); transform: translateY(-1px); }

/* ─── ABOUT PAGE ─── */
.about-content { padding: 80px 0 100px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media(max-width:768px) { .about-grid { grid-template-columns: 1fr; } }
.creator-card {
  padding: 40px; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: var(--radius);
  text-align: center;
}
.creator-avatar {
  width: 100px; height: 100px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), #ff9932);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; margin: 0 auto 20px;
  box-shadow: 0 0 40px rgba(232,69,10,0.4);
}
.creator-card h2 { font-size: 1.8rem; font-weight: 800; }
.creator-card .creator-title { color: var(--c-accent); font-size: 0.9rem; font-weight: 500; margin: 6px 0 16px; }
.creator-card p { color: var(--c-muted); font-size: 0.92rem; }
.creator-social { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }
.social-btn {
  padding: 9px 20px; border-radius: 50px;
  border: 1px solid var(--c-border); color: var(--c-muted);
  font-size: 0.85rem; transition: all var(--transition);
}
.social-btn:hover { border-color: var(--c-accent); color: var(--c-accent); }

.about-text h2 { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 20px; }
.about-text p { color: var(--c-muted); font-size: 0.95rem; margin-bottom: 16px; }
.about-values { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.value-item { display: flex; gap: 14px; align-items: flex-start; }
.value-icon { font-size: 1.4rem; flex-shrink: 0; }
.value-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.value-item p { color: var(--c-muted); font-size: 0.87rem; }

/* ─── CONTACT PAGE ─── */
.contact-section { padding: 80px 0 100px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
@media(max-width:768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; }
.contact-info p { color: var(--c-muted); margin-bottom: 24px; }
.contact-detail { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.contact-detail-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--c-red-soft); display: flex; align-items: center; justify-content: center;
}
.contact-detail span { color: var(--c-muted); font-size: 0.9rem; }
.contact-form { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 8px; color: var(--c-muted); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--c-bg); border: 1px solid var(--c-border);
  color: var(--c-text); border-radius: var(--radius-sm);
  padding: 12px 16px; font-family: 'DM Sans', sans-serif; font-size: 0.9rem;
  outline: none; transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--c-accent);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* ─── PRIVACY PAGE ─── */
.privacy-content { padding: 80px 0 100px; max-width: 780px; margin-inline: auto; }
.privacy-content h2 { font-size: 1.4rem; font-weight: 800; margin: 40px 0 12px; }
.privacy-content p { color: var(--c-muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 12px; }
.privacy-content ul { padding-left: 20px; color: var(--c-muted); }
.privacy-content ul li { margin-bottom: 8px; font-size: 0.95rem; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* ══════════════════════════════════════════════════
   RESPONSIVE — Mobile-first, iPhone-optimized
   PDFinity · Chintan Parmar
══════════════════════════════════════════════════ */

/* ── iOS safe-area support ── */
:root {
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left:   env(safe-area-inset-left, 0px);
  --safe-right:  env(safe-area-inset-right, 0px);
}

/* Prevent iOS text-size adjust on rotate */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Smooth momentum scrolling on iOS */
body {
  -webkit-overflow-scrolling: touch;
}

/* Tap highlight removal on all interactive elements */
a, button, .tool-card, .cat-btn, .upload-zone, .upload-btn,
.btn-primary, .btn-ghost, .nav-cta, .process-btn {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* Inputs – prevent iOS zoom on focus (font-size must be ≥ 16px) */
input, select, textarea {
  font-size: 16px !important;
  -webkit-appearance: none;
  appearance: none;
  border-radius: var(--radius-sm);
}

/* ── HAMBURGER MENU ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  -webkit-tap-highlight-color: transparent;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav drawer */
.nav-mobile-drawer {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10,10,15,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding-bottom: calc(32px + var(--safe-bottom));
}
.nav-mobile-drawer.open { display: flex; }
.nav-mobile-drawer a {
  font-family: 'Syne', sans-serif;
  font-size: 2rem; font-weight: 800;
  color: var(--c-muted);
  transition: color 0.2s;
}
.nav-mobile-drawer a:hover,
.nav-mobile-drawer a:active { color: var(--c-accent); }
.nav-drawer-close {
  position: absolute; top: 20px; right: 20px;
  background: var(--c-surface); border: 1px solid var(--c-border);
  color: var(--c-text); width: 40px; height: 40px;
  border-radius: 50%; font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

/* ── TABLET — 1024px ── */
@media (max-width: 1024px) {
  .hero { padding: 110px 32px 70px; gap: 40px; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .nav { padding: 16px 28px; }
}

/* ── MOBILE — 768px ── */
@media (max-width: 768px) {

  /* Nav */
  .nav {
    padding: 14px 20px;
    padding-top: calc(14px + var(--safe-top));
    gap: 12px;
  }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  /* Container */
  .container { padding: 0 16px; }

  /* Hero */
  .hero {
    padding: 96px 20px 56px;
    padding-top: calc(96px + var(--safe-top));
    flex-direction: column;
    min-height: auto;
    text-align: left;
  }
  .hero-visual { display: none; }
  .hero-title { font-size: 2.6rem; letter-spacing: -0.035em; }
  .hero-sub { font-size: 1rem; }
  .hero-badge { font-size: 0.78rem; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    width: 100%;
  }
  .btn-primary {
    text-align: center;
    padding: 16px 24px;
    font-size: 1rem;
  }
  .btn-ghost {
    text-align: center;
    padding: 12px;
    border: 1px solid var(--c-border);
    border-radius: 50px;
  }
  .hero-stats {
    gap: 16px;
    margin-top: 36px;
    flex-wrap: wrap;
  }
  .stat strong { font-size: 1.3rem; }

  /* Tools section */
  .tools-section { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }
  .category-nav { gap: 8px; padding: 0 4px; }
  .cat-btn { padding: 8px 16px; font-size: 0.82rem; }
  .tools-grid { grid-template-columns: 1fr; gap: 12px; }
  .tool-card { padding: 16px 18px; }
  .tool-icon { width: 46px; height: 46px; font-size: 1.3rem; border-radius: 10px; }
  .tool-info h3 { font-size: 0.95rem; }
  .tool-info p { font-size: 0.8rem; }

  /* How it works */
  .how-section { padding: 60px 0; }
  .steps-row { flex-direction: column; align-items: stretch; gap: 12px; }
  .step-connector { transform: rotate(90deg); align-self: center; font-size: 1.2rem; }
  .step-card { padding: 28px 22px; }

  /* Features */
  .features-section { padding: 60px 0; }
  .features-grid { grid-template-columns: 1fr; gap: 14px; }
  .feature-highlight { padding: 32px 24px; }
  .feature-highlight h2 { font-size: 1.6rem; }
  .feature-item { padding: 24px; }

  /* Page hero (inner pages) */
  .page-hero {
    padding: 100px 20px 52px;
    padding-top: calc(100px + var(--safe-top));
  }
  .page-hero h1 { font-size: 2rem; }
  .page-hero p { font-size: 0.95rem; }

  /* Tool page */
  .tool-page { padding: 32px 0 70px; }
  .upload-zone { padding: 40px 20px; }
  .upload-icon { font-size: 2.4rem; }
  .upload-zone h3 { font-size: 1.05rem; }
  .upload-zone p { font-size: 0.84rem; }
  .options-panel { padding: 20px 18px; }
  .option-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .option-row select { width: 100%; }
  .process-btn { font-size: 0.95rem; padding: 15px; }

  /* About */
  .about-content { padding: 48px 0 70px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .creator-card { padding: 28px 20px; }
  .creator-avatar { width: 80px; height: 80px; font-size: 2rem; }
  .creator-card h2 { font-size: 1.5rem; }
  .about-text h2 { font-size: 1.5rem; }
  .creator-social { flex-wrap: wrap; }

  /* Contact */
  .contact-section { padding: 48px 0 70px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 22px 18px; }
  .contact-info h2 { font-size: 1.5rem; }

  /* Privacy */
  .privacy-content { padding: 48px 0 70px; }

  /* Footer */
  .footer { padding: 44px 0 calc(24px + var(--safe-bottom)); }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-links { flex-direction: column; gap: 28px; }
  .footer-bottom { font-size: 0.82rem; }
}

/* ── SMALL PHONES — 430px (iPhone 14 Pro Max and under) ── */
@media (max-width: 430px) {
  .hero-title { font-size: 2.2rem; }
  .hero-orb-1 { width: 280px; height: 280px; }
  .hero-orb-2 { display: none; }
  .tools-grid { gap: 10px; }
  .tool-card { gap: 12px; }
  .category-nav { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding: 0 16px 8px; scrollbar-width: none; }
  .category-nav::-webkit-scrollbar { display: none; }
  .cat-btn { flex-shrink: 0; }
}

/* ── VERY SMALL — 375px (iPhone SE) ── */
@media (max-width: 375px) {
  .hero-title { font-size: 2rem; }
  .nav { padding: 12px 16px; padding-top: calc(12px + var(--safe-top)); }
  .logo { font-size: 1.3rem; }
  .hero-stats { gap: 12px; }
  .stat strong { font-size: 1.2rem; }
}

/* ── iOS-specific: prevent content hiding under notch/home bar ── */
@supports (padding: max(0px)) {
  .nav {
    padding-left: max(20px, var(--safe-left));
    padding-right: max(20px, var(--safe-right));
  }
  .footer-bottom {
    padding-bottom: max(24px, var(--safe-bottom));
  }
}

/* ── Hover only on devices that actually support it ── */
@media (hover: none) {
  .tool-card:hover { transform: none; box-shadow: none; }
  .btn-primary:hover { transform: none; }
  .step-card:hover { transform: none; }
  .feature-item:hover { transform: none; }
  .tool-card:active {
    background: rgba(232,69,10,0.08);
    border-color: rgba(232,69,10,0.3);
  }
  .btn-primary:active { opacity: 0.85; transform: scale(0.98); }
  .cat-btn:active { background: var(--c-accent); color: #fff; }
}

/* ── Extra mobile polish ── */

/* Sticky category nav on mobile */
@media (max-width: 768px) {
  .category-nav {
    position: sticky;
    top: 56px;
    z-index: 50;
    background: var(--c-bg);
    padding: 12px 16px;
    margin: 0 -16px 24px;
    border-bottom: 1px solid var(--c-border);
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .category-nav::-webkit-scrollbar { display: none; }
  .cat-btn { flex-shrink: 0; white-space: nowrap; }

  /* Bigger tap target for tool cards */
  .tool-card { min-height: 72px; }

  /* Upload zone bigger on mobile */
  .upload-zone { min-height: 180px; }

  /* Select dropdowns full width */
  .option-row select,
  .option-row input { width: 100%; }

  /* Compression level cards stack on small screens */
  .compression-levels { grid-template-columns: 1fr !important; }

  /* Image preview grid smaller thumbs */
  .preview-grid,
  .image-preview-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)) !important; }

  /* Pages grid in pdf-to-jpg */
  .pages-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)) !important; }

  /* Footer creator link bigger tap area */
  .footer-creator { padding: 4px 0; display: inline-block; }

  /* Result download button full width on mobile */
  .result-box .btn-primary { display: block; text-align: center; }

  /* Steps smaller padding */
  .step-card { padding: 24px 18px; text-align: left; }
  .step-icon { font-size: 2rem; }

  /* About creator social buttons wrap */
  .creator-social { flex-wrap: wrap; gap: 8px; }
  .social-btn { flex: 1; min-width: 100px; text-align: center; padding: 10px 12px; }
}

/* Fix select arrow on iOS */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238888a8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px !important;
}