/* =========================
   DOCUFY LANDING
   ========================= */

:root {
  --bg: #f8f9ff;
  --surface: #ffffff;
  --surface-soft: #f1f4ff;
  --text: #111329;
  --muted: #68708c;
  --line: rgba(20, 27, 63, 0.09);
  --primary: #6b5cff;
  --primary-dark: #5647f4;
  --secondary: #9b7bff;
  --cyan: #5ee7f5;
  --green: #20c997;
  --dark: #13142b;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(52, 45, 135, 0.13);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(120, 108, 255, .08), transparent 28%),
    radial-gradient(circle at 90% 20%, rgba(94, 231, 245, .08), transparent 25%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 110px 0;
}

.page-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .18;
  z-index: -2;
  pointer-events: none;
}

.glow-one {
  background: var(--primary);
  top: 80px;
  left: -220px;
}

.glow-two {
  background: var(--cyan);
  right: -230px;
  top: 520px;
}

/* NAV */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 249, 255, .82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: .25s ease;
}

.navbar.scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 35px rgba(27, 31, 76, .05);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -.03em;
}

.brand-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: white;
  background: linear-gradient(145deg, var(--primary), #8e73ff);
  box-shadow: 0 10px 22px rgba(107, 92, 255, .25);
}

.desktop-nav {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: .93rem;
  color: #515977;
}

.desktop-nav a {
  transition: .2s ease;
}

.desktop-nav a:hover {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  gap: 10px;
}

.btn {
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 14px;
  padding: 13px 20px;
  font-weight: 700;
  transition: .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), #856dff);
  box-shadow: 0 13px 28px rgba(107, 92, 255, .24);
}

.btn-primary:hover {
  box-shadow: 0 16px 34px rgba(107, 92, 255, .32);
}

.btn-secondary {
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
}

.btn-ghost {
  background: transparent;
  color: #545b79;
}

.btn-small {
  padding: 11px 17px;
}

.btn-large {
  padding: 16px 22px;
  border-radius: 16px;
}

.menu-btn,
.mobile-menu {
  display: none;
}

/* HERO */

.hero {
  padding-top: 80px;
  min-height: 760px;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 78px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--primary);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.eyebrow {
  border: 1px solid rgba(107,92,255,.16);
  background: rgba(255,255,255,.72);
  border-radius: 100px;
  padding: 8px 13px;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(32, 201, 151, .4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(32,201,151,.35); }
  70% { box-shadow: 0 0 0 8px rgba(32,201,151,0); }
  100% { box-shadow: 0 0 0 0 rgba(32,201,151,0); }
}

.hero h1 {
  font-family: "Manrope", sans-serif;
  font-size: clamp(3rem, 5vw, 5.1rem);
  line-height: 1.01;
  letter-spacing: -.065em;
  max-width: 760px;
}

.gradient-text {
  background: linear-gradient(110deg, var(--primary), #9a68ff 55%, #48cfe0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  max-width: 640px;
  margin-top: 25px;
  font-size: 1.1rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.arrow {
  font-size: 1.25rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 27px;
  color: #5e6681;
  font-size: .84rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.trust-icon {
  width: 19px;
  height: 19px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(32,201,151,.12);
  color: var(--green);
  font-weight: 800;
  font-size: .7rem;
}

/* HERO VISUAL */

.hero-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.app-window {
  width: 100%;
  max-width: 560px;
  overflow: hidden;
  border-radius: 25px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.95);
  transform: perspective(1200px) rotateY(-3deg) rotateX(2deg);
}

.window-top {
  height: 56px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 9px;
  height: 9px;
  background: #d9dcef;
  border-radius: 50%;
}

.window-label {
  font-size: .75rem;
  color: #69708e;
}

.status-pill {
  justify-self: end;
  color: var(--green);
  background: rgba(32,201,151,.08);
  padding: 5px 9px;
  border-radius: 20px;
  font-size: .68rem;
  font-weight: 800;
}

.app-body {
  display: grid;
  grid-template-columns: 66px 1fr;
  min-height: 400px;
}

.fake-sidebar {
  padding: 18px 12px;
  background: #f8f9fe;
  border-right: 1px solid var(--line);
}

.fake-logo {
  width: 31px;
  height: 31px;
  background: var(--primary);
  color: white;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-weight: 800;
  margin: 0 auto 29px;
}

.side-line {
  height: 7px;
  background: #e2e5f3;
  border-radius: 10px;
  margin: 15px 3px;
}

.side-line.active {
  background: rgba(107,92,255,.48);
}

.side-line.short {
  width: 60%;
}

.fake-content {
  padding: 28px;
}

.ai-heading {
  display: flex;
  align-items: center;
  gap: 12px;
}

.spark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(107,92,255,.14), rgba(94,231,245,.15));
  color: var(--primary);
  font-size: 1.2rem;
}

.ai-heading small {
  display: block;
  color: #8a90a7;
  font-size: .69rem;
  margin-bottom: 2px;
}

.ai-heading strong {
  font-family: "Manrope", sans-serif;
}

.progress-track {
  height: 6px;
  border-radius: 10px;
  background: #eef0f7;
  margin: 22px 0;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 78%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  animation: progressPulse 2.5s ease-in-out infinite alternate;
}

@keyframes progressPulse {
  from { width: 48%; }
  to { width: 86%; }
}

.slide-preview {
  min-height: 220px;
  position: relative;
  overflow: hidden;
  padding: 25px;
  border-radius: 18px;
  color: white;
  background:
    radial-gradient(circle at 83% 20%, rgba(94,231,245,.35), transparent 18%),
    linear-gradient(145deg, #242044, #6757db);
}

.slide-tag {
  font-size: .58rem;
  letter-spacing: .15em;
  font-weight: 800;
  opacity: .75;
}

.slide-preview h3 {
  width: 65%;
  margin-top: 12px;
  font: 800 1.45rem/1.1 "Manrope", sans-serif;
}

.slide-preview p {
  width: 65%;
  font-size: .7rem;
  opacity: .78;
  margin-top: 10px;
}

.slide-visual {
  position: absolute;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  right: 23px;
  bottom: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 5px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  padding: 30px 18px;
}

.bar {
  width: 11px;
  border-radius: 5px 5px 2px 2px;
  background: rgba(255,255,255,.85);
}

.b1 { height: 25px; }
.b2 { height: 42px; }
.b3 { height: 56px; }
.b4 { height: 34px; }

.generation-list {
  margin-top: 17px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px 12px;
  font-size: .67rem;
  color: #6d748e;
}

.check {
  color: var(--green);
  font-weight: 800;
}

.loading-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  margin-right: 5px;
  animation: blink 1s infinite;
}

@keyframes blink {
  50% { opacity: .25; }
}

.floating-card {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 11px;
  background: rgba(255,255,255,.96);
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 42px rgba(43,43,92,.12);
  animation: float 4s ease-in-out infinite;
}

.floating-card strong {
  display: block;
  font-size: .72rem;
}

.floating-card small {
  display: block;
  font-size: .61rem;
  color: #9197ac;
}

.card-note {
  left: -26px;
  top: 75px;
}

.card-success {
  right: -22px;
  bottom: 70px;
  animation-delay: .9s;
}

.mini-icon,
.success-icon {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--surface-soft);
}

.success-icon {
  color: white;
  background: linear-gradient(145deg, var(--primary), #9179ff);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* STATS */

.stats-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.52);
}

.stats-grid {
  min-height: 115px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stats-grid > div {
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--line);
}

.stats-grid > div:last-child {
  border-right: 0;
}

.stats-grid strong {
  font: 800 1.12rem "Manrope", sans-serif;
}

.stats-grid span {
  font-size: .78rem;
  color: var(--muted);
}

/* COMMON */

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading h2,
.formats-copy h2,
.demo-copy h2,
.final-copy h2 {
  margin-top: 12px;
  font: 800 clamp(2.1rem, 4vw, 3.7rem)/1.08 "Manrope", sans-serif;
  letter-spacing: -.045em;
}

.section-heading p,
.formats-copy > p {
  color: var(--muted);
  margin-top: 16px;
  font-size: 1rem;
}

/* COMPARISON */

.problem-section {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.55), transparent);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 150px 1fr;
  gap: 25px;
  align-items: center;
  max-width: 900px;
  margin: auto;
}

.comparison-card {
  min-height: 390px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 25px;
  padding: 28px;
  box-shadow: 0 16px 50px rgba(36,42,86,.06);
}

.comparison-card.after {
  border-color: rgba(107,92,255,.18);
  box-shadow: 0 24px 60px rgba(107,92,255,.1);
}

.card-label {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 7px;
  font-size: .6rem;
  font-weight: 800;
  letter-spacing: .09em;
}

.card-label.muted {
  color: #747b94;
  background: #f1f2f7;
}

.card-label.success {
  color: var(--green);
  background: rgba(32,201,151,.08);
}

.comparison-card h3 {
  margin: 12px 0 20px;
  font: 800 1.35rem "Manrope", sans-serif;
}

.messy-paper {
  background: #f7f8fb;
  padding: 20px;
  border-radius: 14px;
  min-height: 160px;
  transform: rotate(-1deg);
}

.scribble {
  display: block;
  height: 8px;
  border-radius: 10px;
  background: #dfe2eb;
  margin: 12px 0;
}

.w90 { width: 90%; }
.w70 { width: 70%; }
.w95 { width: 95%; }
.w55 { width: 55%; }
.w80 { width: 80%; }
.w65 { width: 65%; }

.comparison-card ul,
.format-info ul {
  list-style: none;
  margin-top: 20px;
  display: grid;
  gap: 10px;
  color: #606883;
  font-size: .83rem;
}

.comparison-card li::before,
.format-info li::before {
  content: "✓";
  color: var(--green);
  font-weight: 800;
  margin-right: 8px;
}

.transform-arrow {
  text-align: center;
  color: var(--primary);
}

.transform-arrow span {
  width: 55px;
  height: 55px;
  margin: auto auto 10px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(107,92,255,.1);
  font-size: 1.4rem;
}

.transform-arrow strong,
.transform-arrow small {
  display: block;
}

.transform-arrow strong {
  color: var(--text);
}

.transform-arrow small {
  color: var(--muted);
  font-size: .66rem;
}

.mini-slides {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #f8f8fd;
  border-radius: 14px;
}

.mini-slide {
  width: 31%;
  height: 80px;
  background: white;
  border-radius: 8px;
  border: 1px solid #eceef6;
  padding: 10px;
  box-shadow: 0 7px 16px rgba(39,45,82,.05);
}

.mini-slide.active {
  width: 38%;
  height: 105px;
  border-color: rgba(107,92,255,.25);
  box-shadow: 0 10px 25px rgba(107,92,255,.11);
}

.mini-slide span,
.mini-slide strong,
.mini-slide em {
  display: block;
  border-radius: 5px;
}

.mini-slide span {
  width: 28%;
  height: 5px;
  background: var(--primary);
}

.mini-slide strong {
  width: 70%;
  height: 8px;
  margin-top: 10px;
  background: #292d47;
}

.mini-slide em {
  height: 25px;
  margin-top: 9px;
  background: #f0f1f8;
}

/* STEPS */

.how-section {
  background: var(--dark);
  color: white;
}

.how-section .section-kicker {
  color: #a99aff;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-card {
  min-height: 350px;
  padding: 28px;
  border-radius: 24px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.08);
}

.step-card.featured {
  background: linear-gradient(145deg, rgba(107,92,255,.22), rgba(255,255,255,.06));
  border-color: rgba(139,119,255,.3);
}

.step-number {
  font-size: .64rem;
  color: #8b92ad;
  letter-spacing: .12em;
  font-weight: 800;
}

.step-icon {
  width: 54px;
  height: 54px;
  margin: 36px 0 24px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.08);
  font-size: 1.25rem;
}

.spark-icon {
  color: #b9adff;
  background: rgba(107,92,255,.18);
}

.step-card h3 {
  font: 800 1.25rem "Manrope", sans-serif;
}

.step-card p {
  margin-top: 10px;
  color: #a9afc5;
  font-size: .87rem;
}

.file-tags,
.result-buttons {
  display: flex;
  gap: 7px;
  margin-top: 24px;
}

.file-tags span,
.result-buttons span {
  padding: 6px 9px;
  font-size: .62rem;
  border-radius: 7px;
  background: rgba(255,255,255,.07);
  color: #c3c8da;
}

.analysis-lines {
  margin-top: 24px;
}

.analysis-lines span {
  display: block;
  height: 7px;
  background: linear-gradient(90deg, rgba(153,133,255,.82), rgba(94,231,245,.45));
  margin: 8px 0;
  border-radius: 10px;
}

/* USE CASES */

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.use-card {
  background: rgba(255,255,255,.8);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 27px;
  transition: .25s ease;
}

.use-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 48px rgba(50,54,110,.08);
  border-color: rgba(107,92,255,.17);
}

.use-icon {
  width: 47px;
  height: 47px;
  display: grid;
  place-items: center;
  background: var(--surface-soft);
  border-radius: 14px;
  margin-bottom: 22px;
}

.use-card h3 {
  font: 800 1.05rem "Manrope", sans-serif;
}

.use-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: .83rem;
}

/* FORMATS */

.formats-section {
  background: #fff;
}

.formats-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.format-tabs {
  display: flex;
  gap: 8px;
  margin-top: 30px;
}

.format-tab {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 700;
  color: #66708d;
  cursor: pointer;
}

.format-tab.active {
  color: var(--primary);
  border-color: rgba(107,92,255,.22);
  background: rgba(107,92,255,.07);
}

.format-info {
  display: none;
  padding-top: 25px;
}

.format-info.active {
  display: block;
  animation: fadeUp .35s ease;
}

.format-info h3 {
  font: 800 1.25rem "Manrope", sans-serif;
}

.preview-shell {
  display: none;
  min-height: 470px;
  border-radius: 25px;
  background: #fbfbfe;
  border: 1px solid var(--line);
  box-shadow: 0 25px 70px rgba(42,44,96,.1);
  overflow: hidden;
}

.preview-shell.active {
  display: block;
  animation: fadeUp .35s ease;
}

.preview-header {
  height: 56px;
  padding: 0 19px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font-size: .72rem;
  color: var(--muted);
}

.preview-actions {
  display: flex;
  gap: 5px;
}

.preview-actions i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d7daea;
}

.ppt-stage {
  min-height: 414px;
  display: grid;
  grid-template-columns: 105px 1fr;
}

.ppt-stage aside {
  border-right: 1px solid var(--line);
  padding: 18px 13px;
  display: grid;
  align-content: start;
  gap: 11px;
}

.thumb {
  height: 55px;
  border-radius: 6px;
  background: #eceefa;
}

.thumb.active {
  background: linear-gradient(145deg, #272548, #7564e9);
  box-shadow: 0 5px 14px rgba(107,92,255,.18);
}

.main-slide {
  position: relative;
  margin: 35px;
  border-radius: 18px;
  padding: 35px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 82% 28%, rgba(94,231,245,.26), transparent 20%),
    linear-gradient(140deg, #22213e, #5b4fc7);
}

.slide-badge {
  font-size: .6rem;
  letter-spacing: .13em;
  opacity: .7;
}

.main-slide h3 {
  max-width: 62%;
  margin-top: 18px;
  font: 800 2rem/1.05 "Manrope", sans-serif;
}

.main-slide p {
  max-width: 55%;
  margin-top: 12px;
  font-size: .76rem;
  opacity: .72;
}

.visual-circle {
  position: absolute;
  right: 28px;
  bottom: 28px;
  width: 130px;
  height: 130px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
}

.visual-circle div {
  font-size: 2.5rem;
}

.ebook-book {
  margin: 42px auto;
  width: calc(100% - 70px);
  min-height: 325px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  box-shadow: 0 22px 50px rgba(39,42,82,.12);
}

.book-page {
  padding: 36px;
  background: white;
}

.left-page {
  border-radius: 12px 0 0 12px;
  background: linear-gradient(145deg, #23203d, #6657d7);
  color: white;
}

.left-page small {
  opacity: .65;
}

.left-page h3 {
  margin-top: 45px;
  font: 800 2.1rem/1 "Manrope", sans-serif;
}

.left-page p {
  margin-top: 20px;
  opacity: .72;
  font-size: .73rem;
}

.right-page {
  border-radius: 0 12px 12px 0;
}

.book-spine {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  z-index: 3;
  background: #e8eaf3;
}

.book-kicker {
  color: var(--primary);
  font-weight: 800;
  font-size: .55rem;
  letter-spacing: .12em;
}

.right-page h4 {
  margin: 14px 0 26px;
  font: 800 1.1rem/1.15 "Manrope", sans-serif;
}

.book-line {
  height: 7px;
  margin: 11px 0;
  background: #e8eaf2;
  border-radius: 10px;
}

.book-line.short { width: 60%; }
.book-line.mid { width: 78%; }

/* DEMO */

.demo-section {
  background:
    radial-gradient(circle at 15% 20%, rgba(107,92,255,.18), transparent 28%),
    radial-gradient(circle at 90% 90%, rgba(94,231,245,.1), transparent 30%),
    #111226;
}

.demo-wrapper {
  border-radius: 32px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.demo-copy {
  color: white;
}

.section-kicker.light {
  color: #a99dff;
}

.demo-copy p {
  color: #aeb5ca;
  margin-top: 18px;
  max-width: 520px;
}

.demo-benefits {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  color: #cbd0e0;
  font-size: .85rem;
}

.demo-benefits span::first-letter {
  color: #7de7c3;
}

.demo-box {
  background: white;
  border-radius: 27px;
  padding: 25px;
  box-shadow: 0 30px 80px rgba(0,0,0,.25);
}

.demo-box-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.demo-box-top small {
  display: block;
  color: #8d94aa;
  font-size: .58rem;
  letter-spacing: .11em;
  font-weight: 800;
}

.demo-box-top strong {
  display: block;
  margin-top: 4px;
  font: 800 1.12rem "Manrope", sans-serif;
}

.ai-badge {
  padding: 7px 10px;
  border-radius: 9px;
  background: rgba(107,92,255,.09);
  color: var(--primary);
  font-size: .68rem;
  font-weight: 800;
}

.demo-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 20px;
}

.demo-option {
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px 7px;
  border-radius: 11px;
  color: #626a85;
  cursor: pointer;
  font-weight: 700;
  font-size: .72rem;
}

.demo-option.active {
  color: var(--primary);
  background: rgba(107,92,255,.07);
  border-color: rgba(107,92,255,.2);
}

.drop-zone {
  min-height: 190px;
  margin-top: 15px;
  border: 1.5px dashed #d8dbea;
  background: #fafbfe;
  border-radius: 17px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  transition: .2s ease;
}

.drop-zone.dragging {
  border-color: var(--primary);
  background: rgba(107,92,255,.05);
}

.upload-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  margin-bottom: 10px;
  color: var(--primary);
  background: rgba(107,92,255,.08);
  font-weight: 800;
}

.drop-zone strong {
  font-size: .82rem;
}

.drop-zone > span {
  color: #989eb1;
  font-size: .66rem;
  margin: 3px 0 11px;
}

.btn-upload {
  background: white;
  border: 1px solid var(--line);
  font-size: .7rem;
  padding: 9px 13px;
}

.demo-format-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}

.demo-format-selector input {
  display: none;
}

.demo-format-selector span {
  display: block;
  border: 1px solid var(--line);
  padding: 11px;
  text-align: center;
  border-radius: 10px;
  color: #6b728b;
  font-size: .72rem;
  font-weight: 700;
  cursor: pointer;
}

.demo-format-selector input:checked + span {
  background: rgba(107,92,255,.07);
  border-color: rgba(107,92,255,.22);
  color: var(--primary);
}

.btn-demo {
  width: 100%;
  color: white;
  margin-top: 12px;
  background: linear-gradient(135deg, var(--primary), #876cff);
  box-shadow: 0 12px 26px rgba(107,92,255,.22);
}

.demo-note {
  margin-top: 10px;
  text-align: center;
  color: #a1a7ba;
  font-size: .58rem;
}

.demo-progress,
.demo-result {
  margin-top: 13px;
  border-radius: 13px;
  padding: 14px;
  background: #f7f8fc;
}

.demo-progress-head {
  display: flex;
  justify-content: space-between;
  color: #737a92;
  font-size: .68rem;
}

.demo-progress-track {
  margin-top: 9px;
  height: 6px;
  background: #e6e9f2;
  border-radius: 10px;
  overflow: hidden;
}

#demoProgressBar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 10px;
  transition: width .3s ease;
}

.demo-result {
  display: flex;
  gap: 11px;
  align-items: center;
  background: rgba(32,201,151,.07);
  border: 1px solid rgba(32,201,151,.12);
}

.result-icon {
  width: 35px;
  height: 35px;
  flex: 0 0 35px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green);
  color: white;
  font-weight: 800;
}

.demo-result small {
  display: block;
  color: var(--green);
  font-size: .52rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.demo-result strong {
  display: block;
  font-size: .78rem;
}

.demo-result p {
  color: #778098;
  font-size: .64rem;
}

.hidden {
  display: none !important;
}

/* FINAL CTA */

.final-cta {
  padding: 90px 0;
}

.final-card {
  padding: 55px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 85% 40%, rgba(94,231,245,.12), transparent 20%),
    linear-gradient(145deg, #f2efff, #edf9fb);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border: 1px solid rgba(107,92,255,.08);
}

.final-copy {
  max-width: 720px;
}

.final-copy p {
  margin-top: 15px;
  color: var(--muted);
}

/* FOOTER */

footer {
  background: #0e0f20;
  color: white;
  padding: 65px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .7fr .7fr;
  gap: 50px;
}

.footer-grid > div:first-child p {
  color: #8f96ad;
  max-width: 420px;
  margin-top: 15px;
  font-size: .8rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-links strong {
  font-size: .76rem;
  margin-bottom: 4px;
}

.footer-links a {
  color: #8f96ad;
  font-size: .73rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 45px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.07);
  color: #70778f;
  font-size: .65rem;
}

/* ANIMATIONS */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* RESPONSIVE */

@media (max-width: 1000px) {
  .desktop-nav,
  .nav-actions {
    display: none;
  }

  .menu-btn {
    display: grid;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
  }

  .menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
  }

  .mobile-menu {
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 18px 20px 24px;
    background: rgba(248,249,255,.98);
    border-top: 1px solid var(--line);
  }

  .mobile-menu.open {
    display: flex;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-grid,
  .formats-grid,
  .demo-wrapper {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 30px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy .eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions,
  .trust-row {
    justify-content: center;
  }

  .hero-visual {
    min-height: 520px;
  }

  .app-window {
    max-width: 600px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid > div:nth-child(2) {
    border-right: 0;
  }

  .stats-grid > div:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
  }

  .transform-arrow {
    transform: rotate(90deg);
  }

  .steps-grid,
  .use-case-grid {
    grid-template-columns: 1fr 1fr;
  }

  .formats-grid {
    gap: 35px;
  }

  .format-preview {
    max-width: 700px;
    width: 100%;
    margin: auto;
  }

  .demo-copy {
    text-align: center;
  }

  .demo-copy p {
    margin-left: auto;
    margin-right: auto;
  }

  .demo-benefits {
    justify-items: center;
  }

  .demo-box {
    max-width: 620px;
    width: 100%;
    margin: auto;
  }

  .final-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 26px, 1160px);
  }

  .section {
    padding: 78px 0;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .hero-description {
    font-size: .98rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .trust-row {
    gap: 10px;
    flex-direction: column;
    align-items: center;
  }

  .hero-visual {
    min-height: 430px;
  }

  .app-window {
    transform: none;
  }

  .fake-content {
    padding: 18px;
  }

  .app-body {
    grid-template-columns: 48px 1fr;
  }

  .fake-sidebar {
    padding: 16px 7px;
  }

  .slide-preview {
    min-height: 190px;
  }

  .slide-preview h3,
  .slide-preview p {
    width: 75%;
  }

  .slide-visual {
    width: 80px;
    height: 80px;
    right: 13px;
    bottom: 13px;
    padding: 22px 10px;
  }

  .generation-list {
    grid-template-columns: 1fr;
  }

  .card-note {
    left: 5px;
    top: 30px;
  }

  .card-success {
    right: 5px;
    bottom: 25px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats-grid > div:last-child {
    border-bottom: 0;
  }

  .steps-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .step-card {
    min-height: 300px;
  }

  .ppt-stage {
    grid-template-columns: 68px 1fr;
  }

  .ppt-stage aside {
    padding: 12px 8px;
  }

  .thumb {
    height: 42px;
  }

  .main-slide {
    margin: 18px;
    padding: 22px;
  }

  .main-slide h3 {
    font-size: 1.4rem;
    max-width: 80%;
  }

  .visual-circle {
    width: 80px;
    height: 80px;
  }

  .ebook-book {
    width: calc(100% - 26px);
    min-height: 290px;
  }

  .book-page {
    padding: 20px;
  }

  .left-page h3 {
    font-size: 1.45rem;
  }

  .demo-box {
    padding: 18px;
  }

  .demo-options {
    grid-template-columns: 1fr;
  }

  .final-card {
    padding: 34px 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}