@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;0,14..32,900;1,14..32,400&display=swap');

/* ============================================================
   FileForge Design System — Light Theme, Brand-Accurate
   Brand Colors from Logo:
     Primary Blue:  #2563eb (electric blue from logo icon)
     Dark Navy:     #0f172a (deep navy from "File" lettermark)
     Light Blue:    #3b82f6
   ============================================================ */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Brand-accurate color tokens */
  --brand-blue:        #2563eb;
  --brand-blue-light:  #3b82f6;
  --brand-blue-deep:   #1d4ed8;
  --brand-navy:        #0f172a;
  --brand-navy-mid:    #1e293b;

  /* Dark theme surfaces */
  --bg-root:       #030712;
  --bg-primary:    #030712;
  --bg-secondary:  #111827;
  --bg-card:       #0f172a;
  --bg-card-hover: #1e293b;
  --bg-subtle:     #111827;

  /* Borders */
  --border-xs:    rgba(255,255,255,0.04);
  --border-sm:    rgba(255,255,255,0.08);
  --border-md:    rgba(255,255,255,0.12);
  --border-blue:  rgba(59,130,246,0.4);
  --border-focus: rgba(59,130,246,0.6);

  /* Typography */
  --text-primary:   #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted:     #94a3b8;
  --text-blue:      #60a5fa;

  /* Gradients */
  --gradient-brand:  linear-gradient(135deg, #3b82f6 0%, #60a5fa 50%, #2563eb 100%);
  --gradient-hero:   linear-gradient(160deg, #030712 0%, #111827 40%, #030712 100%);
  --gradient-text:   linear-gradient(135deg, #ffffff 0%, #e2e8f0 60%, #60a5fa 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(59,130,246,0.03) 100%);

  /* Shadows */
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.5);
  --shadow-sm:   0 1px 8px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
  --shadow-md:   0 4px 24px rgba(0,0,0,0.5), 0 1px 4px rgba(0,0,0,0.4);
  --shadow-lg:   0 12px 48px rgba(0,0,0,0.6), 0 4px 16px rgba(0,0,0,0.5);
  --shadow-xl:   0 24px 80px rgba(0,0,0,0.7), 0 8px 24px rgba(0,0,0,0.5);
  --shadow-blue: 0 4px 24px rgba(59,130,246,0.25), 0 1px 4px rgba(59,130,246,0.15);

  /* Radii */
  --r-sm:  8px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-2xl: 40px;

  /* Easing & Timing */
  --ease-spring:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:   0.15s;
  --t-normal: 0.3s;
  --t-slow:   0.5s;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  background-color: var(--bg-root);
  color: var(--text-primary);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: var(--bg-root);
}

a { color: inherit; text-decoration: none; transition: color var(--t-fast) var(--ease-smooth); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }
img { max-width: 100%; display: block; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(15,23,42,0.1); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(15,23,42,0.2); }

/* ============================================================
   PAGE LOADER
   ============================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}
.page-loader.fade-out {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.02);
}

.loader-logo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  animation: loaderEntrance 0.5s var(--ease-spring) both;
}

@keyframes loaderEntrance {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.loader-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.loader-progress-track {
  width: 160px;
  height: 3px;
  background: rgba(15,23,42,0.06);
  border-radius: 99px;
  overflow: hidden;
}

.loader-progress-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 99px;
  animation: loaderProgress 0.4s var(--ease-spring) 0.2s both;
}

@keyframes loaderProgress {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(3, 7, 18, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-sm);
  box-shadow: 0 1px 0 rgba(15,23,42,0.04);
  transition: all var(--t-normal) var(--ease-smooth);
}

.navbar.scrolled {
  background: rgba(3, 7, 18, 0.96);
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
  border-radius: 8px;
}

.nav-search-container {
  flex: 1;
  max-width: 340px;
  position: relative;
}

.nav-search-input {
  width: 100%;
  height: 36px;
  padding: 0 1rem 0 2.4rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--t-fast) var(--ease-smooth);
  outline: none;
}

.nav-search-input::placeholder { color: var(--text-muted); }

.nav-search-input:focus {
  background: var(--bg-primary);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.nav-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.nav-search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  max-height: 380px;
  overflow-y: auto;
  display: none;
  z-index: 9999;
  padding: 0.4rem 0;
  animation: dropdownOpen 0.2s var(--ease-spring) both;
}

@keyframes dropdownOpen {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.nav-search-results.active { display: block; }

.search-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background var(--t-fast);
}
.search-result-item:hover { background: var(--bg-secondary); }

.search-result-icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--brand-blue);
  flex-shrink: 0;
}

.search-result-info { display: flex; flex-direction: column; gap: 1px; }
.search-result-name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.search-result-cat { font-size: 0.7rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.4rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  transition: all var(--t-fast) var(--ease-smooth);
  white-space: nowrap;
}

.nav-link:hover { color: var(--text-primary); background: rgba(15,23,42,0.04); }
.nav-link.active { color: var(--brand-blue); background: rgba(37,99,235,0.07); }

.nav-toggle-btn {
  display: none;
  color: var(--text-primary);
  padding: 0.4rem;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.nav-toggle-btn:hover { background: var(--bg-secondary); }

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0.75rem 1.5rem 1rem;
  border-top: 1px solid var(--border-sm);
  gap: 0.25rem;
  animation: mobileNavOpen 0.25s var(--ease-spring);
}
.mobile-nav.active { display: flex; }

@keyframes mobileNavOpen {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-wrapper {
  background: var(--bg-root);
  border-bottom: 1px solid var(--border-sm);
  position: relative;
  overflow: hidden;
}

/* Animated gradient orbs for depth */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(100px);
  opacity: 0.8;
  animation: orbFloat 12s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, transparent 70%);
  top: -200px; right: -150px;
  animation-delay: 0s;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, transparent 70%);
  bottom: -150px; left: -100px;
  animation-delay: -4s;
}
.hero-orb-3 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
  top: 40%; left: 30%;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); }
  33%       { transform: translateY(-30px) translateX(15px) scale(1.05); }
  66%       { transform: translateY(15px) translateX(-10px) scale(0.97); }
}

/* Hero cursor glow */
.hero-section {
  position: relative;
  padding: 5.5rem 2rem 5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  z-index: 1;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 40%), rgba(37,99,235,0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  transition: opacity 0.3s ease;
}

/* Floating file type badges */
.floating-badges {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.badge-float {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-primary);
  border: 1px solid transparent;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  animation: badgeFloat linear infinite;
  opacity: 0.85;
}

.badge-float .badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-float.pdf   { color: #dc2626; }
.badge-float.pdf   .badge-dot { background: #dc2626; }
.badge-float.img   { color: #2563eb; }
.badge-float.img   .badge-dot { background: #2563eb; }
.badge-float.docx  { color: #16a34a; }
.badge-float.docx  .badge-dot { background: #16a34a; }
.badge-float.zip   { color: #d97706; }
.badge-float.zip   .badge-dot { background: #d97706; }
.badge-float.mp4   { color: #7c3aed; }
.badge-float.mp4   .badge-dot { background: #7c3aed; }
.badge-float.xlsx  { color: #059669; }
.badge-float.xlsx  .badge-dot { background: #059669; }

@keyframes badgeFloat {
  0%   { transform: translateY(0)   rotate(0deg)   scale(1); }
  30%  { transform: translateY(-18px) rotate(2deg)  scale(1.02); }
  70%  { transform: translateY(10px)  rotate(-1.5deg) scale(0.98); }
  100% { transform: translateY(0)   rotate(0deg)   scale(1); }
}

/* Hero eyebrow badge */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(37,99,235,0.07);
  border: 1px solid transparent;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-blue);
  letter-spacing: 0.03em;
  margin-bottom: 1.75rem;
  animation: heroEntrance 0.7s var(--ease-spring) 0.1s both;
}

.hero-eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--brand-blue);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

.hero-h1 {
  font-size: 5.5rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.02;
  margin-bottom: 1.5rem;
  max-width: 820px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroEntrance 0.7s var(--ease-spring) 0.2s both;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 3rem;
  animation: heroEntrance 0.7s var(--ease-spring) 0.3s both;
}

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

/* Drop zone hero */
.hero-dropzone {
  width: 100%;
  max-width: 640px;
  background: var(--bg-primary);
  border: 1px solid transparent;
  border-radius: var(--r-xl);
  padding: 3.5rem 2.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--t-normal) var(--ease-spring);
  box-shadow: var(--shadow-md);
  animation: heroEntrance 0.7s var(--ease-spring) 0.4s both;
}

.hero-dropzone::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  background: var(--gradient-brand);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--t-normal) var(--ease-smooth);
}

.hero-dropzone:hover, .hero-dropzone.dragover {
  border-color: var(--brand-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue), var(--shadow-lg);
}

.hero-dropzone.dragover {
  background: rgba(37,99,235,0.02);
  border-style: solid;
}

.dz-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px; height: 60px;
  background: rgba(37,99,235,0.07);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  color: var(--brand-blue);
  margin: 0 auto 1.25rem;
  transition: all var(--t-normal) var(--ease-spring);
}

.hero-dropzone:hover .dz-icon-wrap {
  background: var(--brand-blue);
  border-color: transparent;
  color: white;
  transform: scale(1.05) rotate(-3deg);
  box-shadow: var(--shadow-blue);
}

.dz-title {
  font-size: 1.25rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.dz-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.dz-choose-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 2rem;
  background: var(--gradient-brand);
  color: white;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-blue);
  transition: all var(--t-fast) var(--ease-spring);
  letter-spacing: -0.01em;
}

.dz-choose-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(37,99,235,0.3);
}

.dz-choose-btn:active {
  transform: translateY(0) scale(0.99);
}

.dz-hidden-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ============================================================
   SECTION LAYOUT
   ============================================================ */
.page-section {
  padding: 5.5rem 2rem;
  width: 100%;
}

.page-section.alt-bg {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-sm);
  border-bottom: 1px solid var(--border-sm);
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-blue);
  margin-bottom: 0.875rem;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ============================================================
   TOOL CARDS GRID
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.75rem 2rem;
  background: var(--bg-card);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  transition: all var(--t-normal) var(--ease-spring);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
 box-shadow: 0 4px 20px rgba(0,0,0,0.03), 0 1px 3px rgba(0,0,0,0.02); }

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

.tc-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  background: rgba(37,99,235,0.06);
  border: 1px solid transparent;
  color: var(--brand-blue);
  margin-bottom: 1.25rem;
  transition: all var(--t-normal) var(--ease-spring);
}



.tc-title {
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.015em;
  transition: color var(--t-fast);
}



.tc-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}

.tc-arrow {
  display: none;
}

/* ============================================================
   CATEGORY TABS
   ============================================================ */
.cat-tabs-wrap {
  overflow-x: auto;
  padding-bottom: 0.5rem;
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.cat-tabs {
  display: inline-flex;
  gap: 12px;
  background: transparent;
  border: none;
  border-radius: var(--r-md);
  padding: 5px;
  box-shadow: none;
}

.cat-tab {
  padding: 0.55rem 1.25rem;
  border-radius: calc(var(--r-md) - 4px);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--t-fast) var(--ease-smooth);
 box-shadow: 0 2px 8px rgba(0,0,0,0.02); }

.cat-tab:hover { color: var(--text-primary); background: var(--bg-secondary); }

.cat-tab.active {
  background: var(--gradient-brand);
  color: white;
  box-shadow: var(--shadow-blue);
}

/* ============================================================
   FEATURES GRID
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xs);
  transition: all var(--t-normal) var(--ease-spring);
 box-shadow: 0 4px 20px rgba(0,0,0,0.03), 0 1px 3px rgba(0,0,0,0.02); }

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

.feat-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: rgba(37,99,235,0.07);
  border: 1px solid transparent;
  color: var(--brand-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feat-title {
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.015em;
}

.feat-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-container {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all var(--t-fast) var(--ease-smooth);
  box-shadow: var(--shadow-xs);
}

.faq-item:hover { border-color: var(--border-md); }
.faq-item.open   { border-color: var(--border-blue); box-shadow: var(--shadow-blue); }

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  letter-spacing: -0.01em;
  cursor: pointer;
  gap: 1rem;
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--text-muted);
  transition: transform var(--t-normal) var(--ease-spring), color var(--t-fast);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--brand-blue);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease-spring);
}

.faq-a-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-sm);
  color: var(--text-secondary);
  padding: 5rem 2rem 3rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-sm);
}

.footer-brand { display: flex; flex-direction: column; align-items: flex-start; text-align: left; gap: 1rem; }

.footer-logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: inline-block;
  border-radius: 8px;
}

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 280px;
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}

.footer-links a:hover, .footer-links a.active { color: var(--brand-blue); font-weight: 700; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: var(--text-secondary); }
.footer-bottom-links a:hover, .footer-bottom-links a.active { color: var(--brand-blue); font-weight: 700; }

.footer-socials a { transition: all var(--t-fast); display: inline-flex; color: var(--text-muted); }
.footer-socials a:hover { transform: scale(1.15) translateY(-2px); }
.footer-socials a[aria-label="Instagram"]:hover { color: #E1306C; }
.footer-socials a[aria-label="LinkedIn"]:hover { color: #3b82f6; }
.footer-socials a[aria-label="X (Twitter)"]:hover { color: #f8fafc; }

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.sr {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease-spring), transform 0.65s var(--ease-spring);
}
.sr.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.sr-d1 { transition-delay: 0.05s; }
.sr-d2 { transition-delay: 0.10s; }
.sr-d3 { transition-delay: 0.15s; }
.sr-d4 { transition-delay: 0.20s; }
.sr-d5 { transition-delay: 0.25s; }
.sr-d6 { transition-delay: 0.30s; }
.sr-d7 { transition-delay: 0.35s; }
.sr-d8 { transition-delay: 0.40s; }

/* ============================================================
   TOOL PAGE LAYOUT
   ============================================================ */
.tool-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
  display: grid;
  grid-template-columns: 256px 1fr;
  gap: 3rem;
}

.tool-sidebar {
  position: sticky;
  top: calc(60px + 2rem);
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
}

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
}

.sidebar-nav-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }

.sidebar-nav-item a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.625rem;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--t-fast);
}

.sidebar-nav-item a:hover { color: var(--text-primary); background: var(--bg-secondary); }
.sidebar-nav-item.active a { color: var(--brand-blue); background: rgba(37,99,235,0.07); }

.tool-content { display: flex; flex-direction: column; gap: 2rem; }

.tool-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}
.tool-breadcrumb a:hover { color: var(--text-secondary); }
.tool-breadcrumb span { color: var(--text-muted); }

.tool-hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tool-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
}

/* Tool workspace card */
.tool-workspace {
  background: var(--bg-primary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

/* Upload dropzone */
.tool-upload-box {
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 4rem 2rem;
  text-align: center;
  cursor: pointer;
  background: var(--bg-subtle);
  transition: all var(--t-normal) var(--ease-spring);
  position: relative;
}

.tool-upload-box:hover, .tool-upload-box.dragover {
  border-color: var(--brand-blue);
  background: rgba(37,99,235,0.02);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.07);
}

.tool-upload-icon {
  width: 48px; height: 48px;
  color: var(--brand-blue);
  margin: 0 auto 1rem;
  opacity: 0.85;
  transition: transform var(--t-normal) var(--ease-spring);
}

.tool-upload-box:hover .tool-upload-icon { transform: translateY(-4px) scale(1.05); }

/* File queue */
.file-queue {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1.125rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  animation: fileSlide 0.25s var(--ease-spring) both;
}

@keyframes fileSlide {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.file-icon { width: 20px; height: 20px; color: var(--brand-blue); flex-shrink: 0; }

.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }

.file-remove {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  transition: all var(--t-fast);
  flex-shrink: 0;
  background: transparent;
  border: 1px solid transparent;
}
.file-remove:hover { color: #dc2626; background: rgba(220,38,38,0.07); border-color: rgba(220,38,38,0.12); }

/* Options panel */
.options-panel {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-sm);
}

.options-title {
  font-size: 1rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.015em;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

/* Form elements */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-label {
  font-size: 0.8rem;
  font-weight: 750;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.875rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  outline: none;
  transition: all var(--t-fast) var(--ease-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background: var(--bg-primary);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.10);
}

.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; }

.form-range {
  width: 100%;
  accent-color: var(--brand-blue);
  height: 5px;
  cursor: pointer;
}

.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.form-checkbox { accent-color: var(--brand-blue); width: 16px; height: 16px; cursor: pointer; }

/* Action bar */
.action-bar {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  align-items: center;
}

/* Primary CTA button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1.75rem;
  background: var(--gradient-brand);
  color: white;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  box-shadow: var(--shadow-blue);
  transition: all var(--t-fast) var(--ease-spring);
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 28px rgba(37,99,235,0.3), 0 2px 8px rgba(37,99,235,0.15);
}

.btn-primary:active { transform: translateY(0) scale(0.99); }

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1.375rem;
  background: transparent;
  border: 1px solid var(--border-md);
  color: var(--text-secondary);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 700;
  transition: all var(--t-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-md);
  background: var(--bg-secondary);
}

/* Processing overlay */
.processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  z-index: 50;
  border-radius: var(--r-lg);
  animation: fadeIn 0.2s ease both;
}

.processing-overlay.active { display: flex; }

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

.proc-spinner {
  width: 42px; height: 42px;
  border: 3px solid rgba(15,23,42,0.06);
  border-top-color: var(--brand-blue);
  border-radius: 50%;
  animation: spin 0.85s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.proc-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.proc-progress {
  width: 240px;
  height: 4px;
  background: rgba(15,23,42,0.06);
  border-radius: 99px;
  overflow: hidden;
}

.proc-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-brand);
  border-radius: 99px;
  transition: width 0.1s linear;
}

/* Result box */
.result-box {
  margin-top: 1.5rem;
  padding: 2.5rem;
  background: rgba(16,185,129,0.03);
  border: 1px solid rgba(16,185,129,0.14);
  border-radius: var(--r-md);
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  animation: fadeIn var(--t-normal) var(--ease-spring) both;
}

.result-box.active { display: flex; }

.result-check {
  width: 56px; height: 56px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #10b981;
  animation: checkBounce 0.5s var(--ease-bounce) both;
}

@keyframes checkBounce {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.result-title { font-size: 1.25rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; }
.result-desc  { font-size: 0.875rem; color: var(--text-secondary); max-width: 420px; line-height: 1.55; margin-top: -0.5rem; }

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 2rem;
  background: #10b981;
  color: white;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 750;
  box-shadow: 0 4px 16px rgba(16,185,129,0.2);
  transition: all var(--t-fast) var(--ease-spring);
  cursor: pointer;
  border: none;
}

.btn-download:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(5,150,105,0.25);
}

/* Utility tool workspace grids */
.utility-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2rem;
}

/* QR output */
.qr-output-wrap {
  background: var(--bg-subtle);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-md);
  padding: 2rem;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-canvas-inner {
  background: white;
  border-radius: var(--r-sm);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
}

/* Password result field */
.pw-result-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.pw-result {
  width: 100%;
  padding: 0.875rem 4rem 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
  min-height: 50px;
  display: flex;
  align-items: center;
}

.cat-tab {
  padding: 0.65rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid transparent;
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-normal);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02); 
}

.pw-copy-btn {
  position: absolute;
  right: 8px;
  padding: 5px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  box-shadow: var(--shadow-xs);
}
.pw-copy-btn:hover { color: var(--brand-blue); border-color: var(--border-blue); }

.pw-strength-bar {
  height: 5px;
  background: rgba(15,23,42,0.06);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.pw-strength-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.3s var(--ease-spring), background 0.3s ease;
}

.pw-strength-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Word counter stats */
.wc-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.wc-stat {
  background: var(--bg-subtle);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  padding: 1.25rem;
  text-align: center;
  transition: all var(--t-fast);
}
.wc-stat:hover { border-color: var(--border-blue); background: var(--bg-card-hover); }

.wc-val {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--brand-blue);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}

.wc-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Code output block */
.code-output {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 200px;
  padding: 1.25rem;
  line-height: 1.55;
}

.copy-code-btn {
  position: absolute;
  top: 0.625rem;
  right: 0.625rem;
  padding: 4px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-sm);
  border-radius: var(--r-sm);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  box-shadow: var(--shadow-xs);
}

.copy-code-btn:hover { color: var(--brand-blue); border-color: var(--border-blue); }

/* Upload title + subtitle (shared) */
.upload-title {
  font-size: 1.15rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.015em;
}

.upload-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1.5rem;
  background: var(--gradient-brand);
  color: white;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: var(--shadow-blue);
  transition: all var(--t-fast) var(--ease-spring);
  cursor: pointer;
  border: none;
  pointer-events: none; /* Input file covers it */
}

.upload-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .tool-layout { grid-template-columns: 1fr; gap: 2rem; }
  .tool-sidebar { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .hero-h1 { font-size: 3rem; }
  .hero-desc { font-size: 1rem; }
  .section-title { font-size: 2.1rem; }
  .hero-section { padding: 4rem 1.5rem 3.5rem; }
  .page-section { padding: 4rem 1.5rem; }
  .tool-workspace { padding: 1.5rem; }
  .nav-links { display: none; }
  .nav-search-container { max-width: 200px; }
  .nav-toggle-btn { display: flex; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .utility-grid { grid-template-columns: 1fr; }
  .badge-float { display: none; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 2.4rem; }
  .tools-grid { grid-template-columns: 1fr; }
}