:root{
  --bg: #f5f5f7;
  --panel-bg: rgba(255,255,255,0.6);
  --panel-border: rgba(255,255,255,0.9);
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --accent: #0a84ff;
  --accent-deep: #0060df;
  --accent-soft: rgba(10,132,255,0.12);
  --hairline: rgba(0,0,0,0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --font-mono: "SF Mono", "Menlo", "Consolas", "Yu Gothic UI", monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a{ color: inherit; }
img, svg{ display:block; }

.wrap{ max-width: 1120px; margin: 0 auto; padding: 0 28px; }

/* ---------- Background atmosphere ---------- */
.atmosphere{
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg);
}
.blob{
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.blob.b1{ width: 520px; height: 520px; top: -180px; left: -120px; background: radial-gradient(circle, #7dc0ff, transparent 70%); }
.blob.b2{ width: 480px; height: 480px; top: 60px; right: -160px; background: radial-gradient(circle, #c9a7ff, transparent 70%); }
.blob.b3{ width: 420px; height: 420px; bottom: -160px; left: 30%; background: radial-gradient(circle, #ffc2d6, transparent 70%); }

/* ---------- Nav ---------- */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(245,245,247,0.72);
  border-bottom: 1px solid var(--hairline);
}
nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  text-decoration:none;
}
.brand .mark{
  width: 26px; height: 26px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--accent), #6bc0ff);
  display:flex; align-items:center; justify-content:center;
  color:#fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(10,132,255,0.35);
}
.navlinks{
  display:flex;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
  font-size: 14px;
  color: var(--text-secondary);
}
.navlinks a{ text-decoration:none; transition: color .15s ease; }
.navlinks a:hover{ color: var(--text-primary); }
.nav-cta{
  font-size: 13px;
  font-weight: 600;
  background: var(--text-primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  text-decoration:none;
  transition: transform .15s ease, background .15s ease;
}
.nav-cta:hover{ background:#000; transform: translateY(-1px); }

@media (max-width: 720px){
  .navlinks{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  padding: 96px 0 64px;
  text-align: center;
}
.hero-bg-video {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0;
  overflow: hidden;
  opacity: 0.15;
}
.hero-bg-video video {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: blur(1px);
  transform: scale(1.05);
}
.hero-bg-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, rgba(245,245,247,0.2) 0%, var(--bg) 100%);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
h1{
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
  line-height: 1.08;
}
h1 .accent{
  background: linear-gradient(120deg, var(--accent), #7f5cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero-actions{
  display:flex;
  gap: 14px;
  justify-content:center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.btn{
  font-size: 15px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:focus-visible{ outline: 3px solid var(--accent); outline-offset: 3px; }
.btn-primary{
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(10,132,255,0.35);
}
.btn-primary:hover{ background: var(--accent-deep); transform: translateY(-1px); }
.btn-secondary{
  background: var(--panel-bg);
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover{ transform: translateY(-1px); }
.hero-note{
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ---------- Interactive Demo ---------- */
.interactive-demo {
  margin: 64px auto 0;
  max-width: 720px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 30px 60px rgba(0,0,0,0.08);
}

.available-blocks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(0,0,0,0.15);
}
.demo-block {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--hairline);
  cursor: pointer;
  user-select: none;
  box-shadow: 0 4px 6px rgba(0,0,0,0.03);
  transition: transform 0.1s, box-shadow 0.1s;
}
.demo-block:active {
  transform: scale(0.95);
}
.demo-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}
.drop-zone {
  min-height: 80px;
  background: rgba(255, 255, 255, 0.7);
  border: 2px dashed var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  align-items: center;
  transition: background 0.2s;
}
.drop-zone.drag-over {
  background: var(--accent-soft);
}
.drop-placeholder {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  margin: 0 auto;
  pointer-events: none;
}
.dropped-block {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  animation: popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  gap: 6px;
}
.dropped-block:hover {
  background: var(--accent-deep);
}
.dropped-block::after {
  content: '×';
  font-weight: bold;
  opacity: 0.7;
}
.demo-compare {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(255,255,255,0.6);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}
.demo-compare-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.demo-compare-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
}
.demo-compare-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
  text-align: center;
}
.demo-compare-value.result-highlight {
  color: var(--accent-deep);
}
.demo-compare-arrow {
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
}
@media (max-width: 500px) {
  .demo-compare { flex-direction: column; gap: 12px; }
  .demo-compare-arrow { transform: rotate(90deg); }
}
@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ---------- Section shared ---------- */
section{ padding: 88px 0; }
.section-head{
  text-align:center;
  max-width: 620px;
  margin: 0 auto 52px;
}
.section-head .eyebrow{ margin-bottom: 14px; }
.section-head h2{
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.section-head p{
  color: var(--text-secondary);
  font-size: 16px;
  margin: 0;
}

/* ---------- Feature grid ---------- */
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 860px){ .grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .grid{ grid-template-columns: 1fr; } }

.card{
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 26px;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover{ transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.08); }
.card .icon{
  width: 40px; height:40px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 16px;
}
.card h3{
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.card p{
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}
.card .badge-pro{
  display:inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), #7f5cff);
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 10px;
}

/* ---------- App window mockup ---------- */
.mockup-wrap{
  perspective: 1400px;
}
.mockup{
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 40px 80px rgba(0,0,0,0.16), 0 10px 24px rgba(0,0,0,0.08);
  overflow:hidden;
  max-width: 920px;
  margin: 0 auto;
}
.mockup-bar{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(255,255,255,0.4);
}
.mockup-bar .dot{ width:11px; height:11px; border-radius:50%; }
.dot.r{ background:#ff5f57; } .dot.y{ background:#febc2e; } .dot.g{ background:#28c840; }
.mockup-bar .title{
  flex:1; text-align:center;
  font-size: 12px; font-weight:600; color: var(--text-secondary);
}
.mockup-body{
  display:grid;
  grid-template-columns: 1fr 1fr;
  min-height: 340px;
}
.mockup-col{ padding: 20px; }
.mockup-col + .mockup-col{ border-left: 1px solid var(--hairline); }
.mockup-file-row{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  background: rgba(255,255,255,0.5);
  font-size: 13px;
}
.mockup-file-row .swatch{
  width: 26px; height:26px; border-radius:7px;
  background: linear-gradient(140deg,#7dc0ff,#a78bfa);
  flex-shrink:0;
}
.mockup-file-row .tags{ margin-left:auto; display:flex; gap:4px; }
.mockup-file-row .tags span{
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  padding: 2px 6px;
  border-radius: 6px;
}
.mockup-preset-row{ display:flex; flex-wrap:wrap; gap:8px; margin-top: 14px; }
.mockup-preset{
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--hairline);
  color: var(--text-secondary);
}
@media (max-width: 640px){
  .mockup-body{ grid-template-columns: 1fr; }
  .mockup-col + .mockup-col{ border-left:none; border-top: 1px solid var(--hairline); }
}

/* ---------- Pricing ---------- */
.pricing-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 820px;
  margin: 0 auto;
}
@media (max-width: 700px){ .pricing-grid{ grid-template-columns: 1fr; } }
.plan{
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
}
.plan.pro{
  background: linear-gradient(165deg, rgba(10,132,255,0.08), rgba(127,92,255,0.08));
  border: 1px solid rgba(10,132,255,0.25);
  position: relative;
}
.plan-name{ font-size: 14px; font-weight:700; color: var(--text-secondary); margin-bottom: 6px; }
.plan.pro .plan-name{ color: var(--accent-deep); }
.plan-price{ font-size: 34px; font-weight:800; letter-spacing:-0.02em; margin-bottom: 4px; }
.plan-price span{ font-size: 14px; font-weight:600; color: var(--text-tertiary); }
.plan-desc{ font-size: 13px; color: var(--text-secondary); margin-bottom: 22px; }
.plan ul{ list-style:none; margin:0 0 26px; padding:0; }
.plan li{
  display:flex; align-items:flex-start; gap:10px;
  font-size: 14px; padding: 8px 0;
  border-top: 1px solid var(--hairline);
}
.plan li:first-child{ border-top:none; }
.check{ color: var(--accent); flex-shrink:0; margin-top:2px; }
.plan .btn{ width:100%; justify-content:center; }

/* ---------- Requirements ---------- */
.req-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 860px){ .req-grid{ grid-template-columns: repeat(2,1fr); } }
.req-item{
  text-align:center;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
}
.req-item .icon{
  width:36px; height:36px; margin: 0 auto 12px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  display:flex; align-items:center; justify-content:center;
}
.req-item .label{ font-size: 13px; font-weight:700; margin-bottom:4px; }
.req-item .value{ font-size: 13px; color: var(--text-secondary); }

/* ---------- Footer ---------- */
footer{
  background: #1d1d1f;
  color: rgba(255,255,255,0.6);
  padding: 56px 0 32px;
  margin-top: 40px;
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 24px;
}
.footer-brand{ color:#fff; font-weight:700; font-size:16px; margin-bottom:8px; }
.footer-brand + p{ font-size: 13px; max-width: 280px; }
.footer-col h4{ color: #fff; font-size: 13px; font-weight:700; margin: 0 0 12px; }
.footer-col ul{ list-style:none; margin:0; padding:0; }
.footer-col li{ margin-bottom: 9px; font-size: 13px; }
.footer-col a{ text-decoration:none; color: inherit; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* Simple text page for policies */
.policy-page {
  max-width: 800px;
  margin: 60px auto;
  padding: 40px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.policy-page h1 {
  font-size: 28px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}
.policy-page h2 {
  font-size: 18px;
  margin-top: 32px;
  margin-bottom: 12px;
}
.policy-page p, .policy-page li {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* Carousel */
.carousel-container {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 40px 80px rgba(0,0,0,0.16), 0 10px 24px rgba(0,0,0,0.08);
  overflow: hidden;
}
.carousel-slide {
  display: none;
  flex-direction: column;
  animation: fadeSlideIn 0.4s ease forwards;
}
.carousel-slide.active {
  display: flex;
}
.carousel-media {
  width: 100%;
  background: rgba(0,0,0,0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--hairline);
  aspect-ratio: 16/9;
  overflow: hidden;
}
.carousel-media img,
.carousel-media video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
.carousel-caption {
  padding: 32px 64px;
  text-align: center;
}
.carousel-caption h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--accent-deep);
}
.carousel-caption p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--hairline);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  color: var(--text-primary);
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.2s;
  z-index: 10;
}
.carousel-btn:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}
.prev-btn { left: 20px; }
.next-btn { right: 20px; }
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
}
.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0,0,0,0.15);
  cursor: pointer;
  transition: all 0.3s;
}
.indicator.active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
@media (max-width: 640px) {
  .carousel-caption { padding: 24px; }
  .carousel-btn { width: 40px; height: 40px; font-size: 16px; }
  .prev-btn { left: 10px; }
  .next-btn { right: 10px; }
}