/* ==============================
   CSS Variables — Candy Brutalism
   ============================== */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,600;12..96,700;12..96,800;12..96,900&display=swap');

:root {
  --yellow:      #F5E642;
  --sky-blue:    #6DC8F3;
  --pink:        #F075C2;
  --mint:        #3DD68C;
  --red:         #E8302A;
  --amber:       #F5A623;
  --cream:       #FAFAE8;
  --light-blue:  #D9EDF7;
  --blush-pink:  #F5C8E8;
  --black:       #0D0D0D;
  --white:       #FFFFFF;

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body:    'Bricolage Grotesque', sans-serif;

  --border-std:  2px solid #0D0D0D;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;

  --shadow-hard: 4px 4px 0px #0D0D0D;
  --shadow-soft: 0 8px 32px rgba(0,0,0,0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ==============================
   Shared Layout
   ============================== */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ==============================
   Navbar
   ============================== */
.navbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 32px;
  height: 64px;
  background: var(--white);
  border-bottom: var(--border-std);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 22px;
  font-weight: 900;
  color: var(--black);
  letter-spacing: -0.04em;
}

.pipe { color: #ccc; font-weight: 300; font-size: 20px; }

.tagline {
  font-size: 14px;
  font-weight: 500;
  color: #666;
}

.nav-end {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.nav-link:hover {
  background: var(--yellow);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

/* ==============================
   Hero
   ============================== */
.hero {
  background: var(--cream);
  padding: 80px 32px 0;
  border-bottom: var(--border-std);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--mint);
  border: var(--border-std);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--black);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 16px;
  font-weight: 400;
  color: #444;
  line-height: 1.6;
  max-width: 420px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Browser Mock */
.hero-visual {
  position: relative;
  padding-bottom: 80px;
}

.browser-mock {
  background: #111;
  border-radius: var(--radius-lg);
  border: var(--border-std);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.browser-chrome {
  background: #1a1a1a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid #333;
}

.traffic-lights {
  display: flex;
  gap: 6px;
}
.tl {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.tl.red    { background: #FF5F57; }
.tl.yellow { background: #FFBD2E; }
.tl.green  { background: #28C840; }

.browser-url {
  flex: 1;
  background: #2a2a2a;
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 12px;
  color: #888;
  font-family: monospace;
}

.browser-body {
  background: var(--light-blue);
  padding: 32px 24px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-stack {
  position: relative;
  width: 280px;
  height: 200px;
}

.file-card {
  position: absolute;
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
}

.fc-back-2 {
  width: 240px;
  height: 160px;
  top: 0;
  left: 20px;
  transform: rotate(-6deg);
  opacity: 0.6;
  background: var(--yellow);
}
.fc-back {
  width: 240px;
  height: 160px;
  top: 10px;
  left: 10px;
  transform: rotate(-3deg);
  opacity: 0.8;
  background: var(--blush-pink);
}
.fc-front {
  width: 260px;
  height: 170px;
  top: 15px;
  left: 0;
  z-index: 2;
}

.file-icon { font-size: 32px; }
.file-label { font-size: 12px; font-weight: 600; color: #444; }

.drop-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.dz-icon { font-size: 28px; }
.dz-text { font-size: 14px; font-weight: 700; color: var(--black); }
.dz-sub  { font-size: 11px; color: #888; }

/* Decoration pills */
.hero-decoration {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;
  display: flex;
  gap: 8px;
  justify-content: center;
}

.deco-pill {
  background: var(--white);
  border: var(--border-std);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  animation: float 3s ease-in-out infinite;
}
.deco-1 { animation-delay: 0s; }
.deco-2 { animation-delay: 0.8s; }
.deco-3 { animation-delay: 1.6s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* ==============================
   How It Works
   ============================== */
.how-it-works {
  background: var(--white);
  border-bottom: var(--border-std);
  padding: 80px 0;
}

.section-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--black);
  margin-bottom: 48px;
}

.steps-row {
  display: flex;
  align-items: center;
  gap: 0;
}

.step-card {
  flex: 1;
  border: var(--border-std);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  min-height: 200px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.step-num {
  font-size: 13px;
  font-weight: 700;
  color: rgba(0,0,0,0.4);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.step-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.step-body {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(0,0,0,0.7);
}

.step-arrow {
  font-size: 28px;
  font-weight: 900;
  color: var(--black);
  padding: 0 16px;
  flex-shrink: 0;
}

/* ==============================
   Converter Sections
   ============================== */
.converter-section {
  border-bottom: var(--border-std);
  padding: 80px 0;
}

.converter-header {
  margin-bottom: 40px;
}

.converter-badge {
  display: inline-block;
  border: var(--border-std);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.converter-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 12px;
}

.converter-desc {
  font-size: 16px;
  color: #444;
  max-width: 560px;
  line-height: 1.6;
}

/* ==============================
   Drop Zone
   ============================== */
.drop-zone {
  background: var(--white);
  border: 2.5px dashed var(--black);
  border-radius: var(--radius-lg);
  padding: 64px 32px;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  background: var(--yellow);
  transform: scale(1.01);
}

.dz-upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

.dz-headline {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.dz-subtext {
  font-size: 15px;
  color: #555;
  margin-bottom: 12px;
}

.dz-browse-btn {
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--black);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.dz-formats {
  font-size: 12px;
  color: #888;
  font-weight: 500;
}

/* ==============================
   Options Bar
   ============================== */
.options-bar {
  margin-top: 24px;
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #555;
}

.option-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.opt-pill {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.1s ease, transform 0.1s ease, box-shadow 0.1s ease;
}
.opt-pill:hover {
  background: var(--cream);
}
.opt-pill.active {
  background: var(--black);
  color: var(--white);
}

.range-input {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  outline: none;
  min-width: 200px;
}
.range-input:focus {
  box-shadow: 3px 3px 0 var(--black);
}

/* ==============================
   Preview Area
   ============================== */
.preview-area {
  margin-top: 24px;
}

.preview-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.preview-count {
  font-size: 14px;
  font-weight: 600;
  color: #555;
  flex: 1;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.preview-page-card {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.preview-page-card canvas {
  width: 100%;
  height: auto;
  display: block;
}

.preview-page-label {
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  background: var(--cream);
  border-top: 1px solid var(--black);
  text-align: center;
}

/* Image reorder grid */
.img-reorder-hint {
  font-size: 12px;
  font-weight: 600;
  color: #888;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.img-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.img-thumb-card {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: grab;
  position: relative;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.img-thumb-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
}
.img-thumb-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}
.img-thumb-card.drag-target {
  box-shadow: 0 0 0 3px var(--pink);
}

.img-thumb-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
}

.img-thumb-label {
  padding: 6px 8px;
  font-size: 10px;
  font-weight: 600;
  border-top: 1px solid var(--black);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.img-thumb-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--red);
  border: 1.5px solid var(--black);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.img-thumb-num {
  position: absolute;
  top: 4px;
  left: 4px;
  background: var(--yellow);
  border: 1.5px solid var(--black);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 800;
}

/* ==============================
   Progress
   ============================== */
.progress-area {
  margin-top: 24px;
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  padding: 28px;
}

.progress-label {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.progress-track {
  background: #eee;
  border: var(--border-std);
  border-radius: 100px;
  height: 12px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--mint);
  border-radius: 100px;
  transition: width 0.25s ease;
  width: 0%;
}

/* ==============================
   Results
   ============================== */
.results-area {
  margin-top: 24px;
}

.results-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  background: var(--mint);
  border: var(--border-std);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  flex-wrap: wrap;
}

.results-title {
  font-size: 16px;
  font-weight: 800;
  flex: 1;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.result-img-card {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.result-img-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
}

.result-img-card img {
  width: 100%;
  height: auto;
  display: block;
}

.result-img-actions {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--black);
  background: var(--cream);
}

.result-img-label {
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.result-download-btn {
  background: var(--yellow);
  border: 1.5px solid var(--black);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  flex-shrink: 0;
}
.result-download-btn:hover {
  transform: translateY(-1px);
  box-shadow: 2px 2px 0 var(--black);
}

.img-result-info {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.8;
}

.reset-btn {
  background: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.12s ease, box-shadow 0.12s ease;
}
.reset-btn:hover {
  background: var(--cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

/* ==============================
   CTA Buttons
   ============================== */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: var(--border-std);
  border-radius: var(--radius-md);
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  text-decoration: none;
  color: var(--black);
  font-family: inherit;
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
}
.cta-btn:active {
  transform: translateY(0);
  box-shadow: 1px 1px 0 var(--black);
}

.cta-yellow { background: var(--yellow); }
.cta-pink   { background: var(--pink);   }
.cta-mint   { background: var(--mint);   }
.cta-sky    { background: var(--sky-blue); }

/* ==============================
   Trust Section
   ============================== */
.trust-section {
  background: var(--cream);
  padding: 80px 0;
  border-bottom: var(--border-std);
}

.trust-inner {
  text-align: center;
}

.trust-headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 40px;
}

.trust-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.trust-pill {
  background: var(--white);
  border: var(--border-std);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.trust-pill:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
  background: var(--sky-blue);
}

/* ==============================
   Footer
   ============================== */
.footer {
  background: var(--black);
  padding: 32px 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.04em;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ==============================
   Toast Notifications
   ============================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--black);
  color: var(--white);
  border: var(--border-std);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-hard);
  animation: toast-in 0.2s ease;
  pointer-events: auto;
}

.toast.toast-success { border-left: 4px solid var(--mint); }
.toast.toast-error   { border-left: 4px solid var(--red); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==============================
   Responsive
   ============================== */
@media (max-width: 1023px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  .hero-visual { display: none; }
  .steps-row {
    flex-direction: column;
    gap: 16px;
  }
  .step-arrow { transform: rotate(90deg); }
  .options-bar { flex-direction: column; gap: 20px; }
}

@media (max-width: 767px) {
  .navbar { padding: 0 16px; }
  .nav-link { display: none; }
  .section-inner { padding: 0 16px; }
  .hero { padding: 48px 16px 0; }
  .hero-headline { font-size: clamp(40px, 10vw, 56px); }
  .converter-section, .how-it-works, .trust-section { padding: 48px 0; }
  .drop-zone { padding: 40px 20px; }
  .preview-header { flex-direction: column; align-items: flex-start; }
  .results-header { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .cta-btn { justify-content: center; }
}