/* SaveAnswer Landing Page — Inspired by Monica.im aesthetic & design-taste-frontend principles */

:root {
  /* Brand & Accents */
  --primary: #0D6E5C;
  --primary-hover: #084D40;
  --primary-light: #ECFDF5;
  --primary-glow: rgba(13, 110, 92, 0.15);
  --accent-cyan: #06B6D4;
  --accent-gradient: linear-gradient(135deg, #0D6E5C 0%, #10B981 50%, #06B6D4 100%);
  --accent-gradient-hover: linear-gradient(135deg, #095244 0%, #0D6E5C 50%, #0284C7 100%);
  
  /* Neutrals & Surfaces */
  --bg: #FAFAF9;
  --bg-alt: #F3F4F6;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FCFDFD;
  --surface-dark: #0F172A;
  
  /* Text */
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  
  /* Borders & Dividers */
  --border: rgba(15, 23, 42, 0.08);
  --border-light: rgba(15, 23, 42, 0.04);
  --border-card: rgba(15, 23, 42, 0.07);
  --border-active: #0D6E5C;
  
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  
  /* Elevation Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 48px -12px rgba(15, 23, 42, 0.09), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-mockup: 0 25px 60px -15px rgba(15, 23, 42, 0.15), 0 0 0 1px rgba(15, 23, 42, 0.06);
  --shadow-btn: 0 4px 14px rgba(13, 110, 92, 0.28);
  
  /* Sizing */
  --max: 1120px;
  --nav-h: 68px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-main);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Bilingual Switch Rules */
html[lang="zh-CN"] [data-lang="en"],
html[lang="en"] [data-lang="zh"] {
  display: none !important;
}

/* ===== Ambient Mesh Glows (Monica Aesthetic) ===== */
.ambient-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 680px;
  background: 
    radial-gradient(circle at 50% -10%, rgba(13, 110, 92, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 85% 15%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 15% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===== Navigation Bar (Floating Glassmorphism) ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all 0.2s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(13, 110, 92, 0.2);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(13, 110, 92, 0.2);
  border-radius: var(--radius-pill);
}

.brand-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 6px #10B981;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: all 0.15s ease;
}

.nav-links a:hover {
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.04);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.lang-toggle:hover {
  color: var(--text-main);
  border-color: rgba(15, 23, 42, 0.2);
  box-shadow: var(--shadow-md);
}

.btn-nav-install {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #fff !important;
  background: var(--primary);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-btn);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-nav-install:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(13, 110, 92, 0.35);
}

.btn-nav-install:active {
  transform: translateY(0) scale(0.98);
}

/* ===== Hero Section (Monica.im Style Centered) ===== */
.hero {
  position: relative;
  text-align: center;
  padding: 88px 0 64px;
  z-index: 1;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: #FFFFFF;
  border: 1px solid rgba(13, 110, 92, 0.25);
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 10px rgba(13, 110, 92, 0.08);
  margin-bottom: 24px;
  transition: all 0.2s ease;
}

.hero-pill:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(13, 110, 92, 0.16);
}

.hero-pill .sparkle {
  font-size: 14px;
}

.hero h1 {
  font-size: clamp(30px, 3.8vw, 48px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  max-width: 900px;
  margin: 0 auto 20px;
  text-wrap: balance;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero .lead {
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 32px;
  text-wrap: balance;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.btn-primary-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 28px;
  font-size: 16px;
  font-weight: 600;
  color: #fff !important;
  background: var(--primary);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-btn);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary-lg:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13, 110, 92, 0.36);
}

.btn-primary-lg:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.btn-secondary-lg:hover {
  background: var(--bg-alt);
  border-color: rgba(15, 23, 42, 0.18);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary-lg:active {
  transform: translateY(0) scale(0.98);
}

.trust-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.trust-proof .stars {
  color: #F59E0B;
  letter-spacing: 2px;
}

/* Ecosystem / Platform Badges */
.ecosystem-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.ecosystem-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 6px;
}

.platform-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  transition: all 0.2s ease;
}

.platform-pill:hover {
  background: #FFFFFF;
  color: var(--text-main);
  border-color: rgba(13, 110, 92, 0.3);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

.platform-pill img, .platform-pill svg {
  width: 16px;
  height: 16px;
}

/* ===== Hero Mockup Frame (macOS In-Browser Composite Anchor) ===== */
.hero-mockup-frame {
  max-width: 960px;
  margin: 40px auto 0;
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: var(--radius-lg);
  box-shadow: 0 22px 54px -16px rgba(15, 23, 42, 0.13), 0 0 0 1px rgba(15, 23, 42, 0.04);
  overflow: hidden;
  text-align: left;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-mockup-frame:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 64px -16px rgba(15, 23, 42, 0.16), 0 0 0 1px rgba(13, 110, 92, 0.22);
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: #F4F7F6;
  border-bottom: 1px solid var(--border);
}

.mockup-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 72px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.mockup-address-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 16px;
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  box-shadow: var(--shadow-sm);
  max-width: 420px;
  width: 100%;
  justify-content: center;
}

.mockup-ext-area {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.mockup-ext-pin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: #1B433B;
  background: #FFFFFF;
  padding: 4px 10px 4px 8px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(13, 110, 92, 0.35);
  box-shadow: 0 2px 8px rgba(13, 110, 92, 0.12);
}

.mockup-ext-count {
  background: var(--primary);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
}

/* Crisp Vector Browser Stage */
.hero-stage-canvas {
  display: grid;
  grid-template-columns: 1.18fr 0.92fr;
  gap: 22px;
  padding: 22px 24px;
  background: linear-gradient(180deg, #F8FAF9 0%, #F1F6F4 100%);
  position: relative;
  align-items: start;
}

.stage-chat-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stage-step-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: flex-start;
  padding: 4px 11px 4px 6px;
  border-radius: 999px;
  background: #FFFFFF;
  border: 1px solid rgba(13, 110, 92, 0.22);
  font-size: 11.5px;
  font-weight: 600;
  color: #1F3A34;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
}

.stage-step-pill.compact {
  padding: 3px 9px 3px 5px;
  font-size: 11px;
}

.stage-step-pill.highlight {
  background: rgba(13, 110, 92, 0.09);
  border-color: rgba(13, 110, 92, 0.35);
  color: var(--primary);
}

.stage-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 10.5px;
  font-weight: 700;
  flex-shrink: 0;
}

.stage-user-msg {
  align-self: flex-end;
  max-width: 90%;
  background: #E3EDEA;
  color: #162621;
  border: 1px solid #C9DAD4;
  padding: 9px 14px;
  border-radius: 14px 14px 4px 14px;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.45;
}

.stage-ai-card {
  background: #FFFFFF;
  border: 1px solid #DCE5E1;
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stage-ai-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: #162621;
}

.stage-ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10A37F;
}

.stage-round-tag {
  margin-left: auto;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(13, 110, 92, 0.08);
  border: 1px solid rgba(13, 110, 92, 0.2);
  padding: 2px 8px;
  border-radius: 999px;
}

.stage-ai-text {
  font-size: 12.5px;
  line-height: 1.55;
  color: #334155;
  margin: 0;
}

.stage-ai-text code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  background: #F1F5F3;
  color: #0D6E5C;
  padding: 1px 5px;
  border-radius: 4px;
}

.stage-code {
  margin: 0;
  background: #111917;
  color: #E2ECE9;
  padding: 10px 12px;
  border-radius: 9px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  line-height: 1.5;
  overflow-x: auto;
}

.stage-code .tok-kw { color: #5EA89B; font-weight: 600; }
.stage-code .tok-str { color: #A7F3D0; }
.stage-code .tok-cm { color: #64748B; }

.stage-action-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.stage-native-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 9px;
  border-radius: 7px;
  border: 1px solid #DCE4E0;
  background: #F8FAFC;
  color: #64748B;
  font-size: 11.5px;
  font-weight: 500;
}

.stage-sa-save-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 11px;
  border-radius: 7px;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 11.5px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(13, 110, 92, 0.25);
}

.stage-inline-popover {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 7px;
  background: #F2F7F5;
  border: 1px dashed rgba(13, 110, 92, 0.35);
  font-size: 11px;
  color: #1F3A34;
  font-weight: 500;
}

.popover-check {
  color: var(--primary);
  font-weight: 700;
}

.popover-tag {
  background: #FFFFFF;
  border: 1px solid #D5E0DC;
  color: #2D5A52;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
}

/* Right Column: Crisp 420px Extension Popup Card */
.stage-popup-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stage-popup-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid #CFDCD7;
  border-radius: 13px;
  box-shadow: 0 16px 36px -8px rgba(15, 35, 29, 0.16), 0 0 0 1px rgba(13, 110, 92, 0.08);
  overflow: hidden;
}

.stage-popup-pointer {
  position: absolute;
  top: -6px;
  right: 34px;
  width: 12px;
  height: 12px;
  background: #234E46;
  transform: rotate(45deg);
}

.stage-popup-header {
  background: linear-gradient(135deg, #2D5A52 0%, #1F423C 100%);
  color: #FFFFFF;
  padding: 10px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.stage-popup-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}

.stage-popup-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 999px;
}

.stage-popup-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.stage-popup-pill {
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.14);
  color: #E2F2EE;
}

.stage-popup-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 6px;
  background: #FFFFFF;
  color: #1B433B !important;
  box-shadow: 0 0 0 2px rgba(167, 243, 208, 0.55), 0 3px 8px rgba(0, 0, 0, 0.18);
  transition: transform 0.15s ease;
}

.stage-popup-expand-btn:hover {
  transform: scale(1.04);
}

.stage-popup-search {
  margin: 10px 12px 8px;
  padding: 6px 10px;
  border-radius: 8px;
  background: #F4F7F6;
  border: 1px solid #DCE5E1;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  color: #64748B;
}

.stage-popup-filters {
  padding: 0 12px 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  border-bottom: 1px solid #EDF2F0;
}

.pf-pill {
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: #F1F5F3;
  color: #52635D;
}

.pf-pill.active {
  background: var(--primary);
  color: #FFFFFF;
}

.stage-popup-list {
  padding: 8px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #FAFDFB;
}

.stage-popup-item {
  background: #FFFFFF;
  border: 1px solid #E2EAE7;
  border-radius: 8px;
  padding: 7px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stage-popup-item.active-item {
  border-left: 3px solid var(--primary);
  background: rgba(13, 110, 92, 0.04);
}

.spi-top {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
}

.spi-source {
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
}

.src-chatgpt { background: rgba(16, 163, 127, 0.12); color: #0E7A5F; }
.src-deepseek { background: rgba(59, 130, 246, 0.12); color: #2563EB; }
.src-claude { background: rgba(217, 119, 6, 0.12); color: #B45309; }

.spi-tag {
  color: #52635D;
  font-weight: 600;
}

.spi-time {
  margin-left: auto;
  color: #94A3B8;
}

.spi-title {
  font-size: 11.5px;
  font-weight: 600;
  color: #1E293B;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stage-step-caption-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.stage-step-arrow {
  font-size: 12px;
  color: var(--primary);
  font-weight: 700;
}

/* ===== Unified Section Header (Equal Edges across full 1120px grid) ===== */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  width: 100%;
  margin: 0 0 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.section-head-main {
  flex: 1;
  max-width: 640px;
}

.section-head-main .section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(13, 110, 92, 0.16);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section-head-main h2 {
  font-size: clamp(26px, 2.8vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin: 0;
  text-wrap: balance;
}

.section-head-desc {
  flex: 0 0 380px;
  max-width: 380px;
}

.section-head-desc p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
  text-wrap: balance;
}

@media (max-width: 840px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 18px;
    margin-bottom: 28px;
  }
  .section-head-desc {
    flex: auto;
    max-width: 100%;
  }
}

/* ===== Three-Act Linear Narrative Section (1120px Equal Edges) ===== */
.acts-section {
  padding: 88px 0;
  background: var(--bg);
}

.acts-flow {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.act-card {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.act-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 110, 92, 0.25);
}

.act-split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: stretch;
  min-height: 460px;
}

.act-reverse {
  grid-template-columns: 1fr 1.15fr;
}

.act-reverse .act-content {
  order: 2;
}

.act-reverse .act-visual {
  order: 1;
  border-left: none;
  border-right: 1px solid var(--border-light);
}

.act-content {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.act-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(13, 110, 92, 0.2);
  margin-bottom: 16px;
  align-self: flex-start;
}

.act-content h3 {
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
  margin: 0 0 14px;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.act-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 24px;
  text-wrap: balance;
}

.act-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.act-feature-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.act-feature-item .check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.act-feature-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2px;
}

.act-feature-item p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0;
}

.act-visual {
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
  border-left: 1px solid var(--border-light);
}

.act-visual-inner {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  transition: transform 0.3s ease;
}

.act-visual-inner:hover {
  transform: scale(1.015);
}

.act-visual-inner img {
  width: 100%;
  height: auto;
  display: block;
}

.popup-frame-wrap {
  max-width: 320px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

/* Panoramic Act 3 */
.act-panoramic {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.act-panoramic-head {
  padding: 48px 48px 28px;
  max-width: 880px;
}

.panoramic-media-stack {
  padding: 0 48px 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.panoramic-main-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-mockup);
  border: 1px solid var(--border);
  transition: transform 0.3s ease;
}

.panoramic-main-frame:hover {
  transform: translateY(-2px);
}

.panoramic-main-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.panoramic-trio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.trio-item {
  background: #F8FAFC;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all 0.2s ease;
}

.trio-item:hover {
  background: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 110, 92, 0.25);
}

.trio-icon {
  font-size: 22px;
  margin-bottom: 10px;
}

.trio-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 6px;
}

.trio-item p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ===== Video Walkthrough Section ===== */
.video-section {
  padding: 88px 0;
}

.video-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-mockup);
  background: #000;
}

.video-container video {
  width: 100%;
  display: block;
}

/* ===== Comparison Section ===== */
.comparison-section {
  padding: 88px 0;
}

.comparison-table-wrap {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
}

.comparison-table th {
  background: #F8FAFC;
  font-weight: 700;
  color: var(--text-main);
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: rgba(13, 110, 92, 0.04);
  font-weight: 600;
  color: var(--primary);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

/* ===== FAQ Section (Centered, Restful Architecture) ===== */
.faq-section {
  padding: 88px 0;
}

.faq-list {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(13, 110, 92, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.faq-footer-help {
  max-width: 100%;
  margin: 36px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(15, 23, 42, 0.02);
  border: 1px dashed var(--border);
  border-radius: var(--radius-pill);
  flex-wrap: wrap;
}

.faq-help-text {
  font-size: 13.5px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== Footer (Monica Style Multi-Column) ===== */
.footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 12px;
}

.footer-brand p {
  font-size: 13.5px;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin: 10px 0;
}

.footer-col a {
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Responsive Breakpoints ===== */
@media (max-width: 1024px) {
  .hero-stage-canvas {
    grid-template-columns: 1fr;
  }
  .act-split, .act-reverse {
    grid-template-columns: 1fr;
  }
  .act-reverse .act-content {
    order: 1;
  }
  .act-reverse .act-visual {
    order: 2;
    border-right: none;
    border-top: 1px solid var(--border-light);
  }
  .act-split .act-visual {
    border-left: none;
    border-top: 1px solid var(--border-light);
  }
  .panoramic-trio-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 16px;
  }
  .nav-inner {
    gap: 8px;
  }
  .nav-links {
    display: none;
  }
  .brand-badge {
    display: none;
  }
  .nav-actions {
    gap: 6px;
    flex-shrink: 0;
  }
  .btn-nav-install {
    display: none;
  }
  .lang-toggle {
    padding: 5px 10px;
    font-size: 12px;
    white-space: nowrap;
  }
  .hero {
    padding-top: 32px;
  }
  .hero-pill {
    font-size: 11px;
    padding: 4px 12px;
    max-width: 92%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    margin: 0 auto 20px;
  }
  .mockup-header {
    padding: 8px 12px;
    gap: 6px;
  }
  .mockup-dots {
    width: auto;
    gap: 4px;
    flex-shrink: 0;
  }
  .mockup-dot {
    width: 8px;
    height: 8px;
  }
  .mockup-address-bar {
    font-size: 10.5px;
    padding: 3px 10px;
    max-width: 190px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0 auto;
  }
  .mockup-ext-area {
    display: none;
  }
  .hero-stage-canvas {
    grid-template-columns: 1fr;
    padding: 16px 12px;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary-lg, .btn-secondary-lg {
    width: 100%;
  }
  .act-content {
    padding: 28px 16px;
  }
  .act-visual {
    padding: 20px 12px;
  }
  .act-panoramic-head {
    padding: 28px 16px 18px;
  }
  .panoramic-media-stack {
    padding: 0 16px 24px;
  }
  .faq-footer-help {
    flex-direction: column;
    gap: 12px;
    border-radius: var(--radius-md);
    text-align: center;
    padding: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hide-sm {
    display: none;
  }
}

/* ==========================================================================
   Editorial system v2
   Monochrome page chrome. Colour only inside the product UI.
   ========================================================================== */

:root {
  --ink: #0C1210;
  --ink-2: #46514E;
  --ink-3: #77827F;
  --rule: rgba(12, 18, 16, 0.10);
  --rule-soft: rgba(12, 18, 16, 0.065);
  --paper: #FBFBFA;
  --panel: #F3F4F1;
}

body {
  background: var(--paper);
  color: var(--ink);
}

/* ---- Nav ---- */
.nav {
  background: rgba(251, 251, 250, 0.84);
  border-bottom: 1px solid var(--rule-soft);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}

.nav-inner { height: 64px; }

.brand {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
  gap: 9px;
}

.brand-icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  box-shadow: none;
}

.brand-badge { display: none; }

.nav-links {
  gap: 2px;
  font-size: 13.5px;
}

.nav-links a {
  color: var(--ink-3);
  padding: 6px 10px;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(12, 18, 16, 0.05);
}

.nav-actions { gap: 8px; }

.lang-toggle {
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 6px 9px;
  font-size: 13px;
  color: var(--ink-3);
  border-radius: 6px;
}

.lang-toggle:hover {
  color: var(--ink);
  background: rgba(12, 18, 16, 0.05);
  box-shadow: none;
}

.btn-nav-install {
  background: var(--ink);
  border-radius: 8px;
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: none;
}

.btn-nav-install:hover {
  background: #000;
  transform: none;
  box-shadow: none;
}

/* ---- Hero ---- */
.hero {
  padding: 92px 0 0;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hero h1 {
  max-width: 940px;
  margin: 0 auto 22px;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.07;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.hero .lead {
  max-width: 660px;
  margin: 0 auto 30px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-2);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 46px;
  padding: 0 22px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff !important;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  box-shadow: 0 1px 2px rgba(12, 18, 16, 0.18);
  transition: background 0.16s ease, transform 0.16s ease;
}

.btn-primary:hover {
  background: #000;
  transform: translateY(-1px);
}

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

.btn-quiet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.16s ease, background 0.16s ease;
}

.btn-quiet:hover {
  color: var(--ink);
  background: rgba(12, 18, 16, 0.045);
}

.platform-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 38px 0 0;
  opacity: 0.72;
}

.platform-label {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.platform-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
}

.platform-item img {
  width: 15px;
  height: 15px;
}

.product-frame {
  width: 100%;
  max-width: 1120px;
  margin: 46px auto 0;
  padding: 0;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 16px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 40px 90px -56px rgba(12, 18, 16, 0.5);
}

.product-frame img {
  width: 100%;
  height: auto;
}

/* ---- Section headers ---- */
.section-head {
  display: block;
  max-width: 760px;
  margin: 0 0 8px;
  padding: 0;
  border-bottom: none;
  text-align: left;
}

.section-badge,
.section-head-main .section-badge {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 0;
  border: none;
  background: none;
  border-radius: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.section-head-main { max-width: none; }

.section-head h2,
.section-head-main h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.section-head-desc {
  flex: none;
  max-width: 640px;
}

.section-head-desc p,
.section-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---- Acts ---- */
.acts {
  padding: 104px 0 0;
  background: var(--paper);
}

.act {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 80px;
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--rule-soft);
}

.act:first-of-type {
  border-top: none;
  padding-top: 48px;
}

.act:nth-child(even) .act-copy { order: 2; }
.act:nth-child(even) .act-media { order: 1; }

.act-index {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.act h3 {
  margin: 0 0 16px;
  font-size: clamp(23px, 2.3vw, 29px);
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.act .body {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-2);
}

.act .body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  background: rgba(12, 18, 16, 0.05);
  padding: 1px 5px;
  border-radius: 4px;
}

.act-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.act-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
}

.act-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--ink-3);
}

.act-media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
  padding: 40px;
  background: var(--panel);
  border: 1px solid var(--rule-soft);
  border-radius: 16px;
}

.act-media-popup { padding: 34px; }

/* ---- Product UI: chat + save ---- */
.ui-window {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border: 1px solid rgba(12, 18, 16, 0.09);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 48px -30px rgba(12, 18, 16, 0.45);
}

.ui-window-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--rule-soft);
  background: #FAFAF9;
}

.ui-dots { display: flex; gap: 4px; }

.ui-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #DADFD9;
}

.ui-url {
  flex: 1;
  padding: 2px 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  color: var(--ink-3);
  text-align: center;
  background: #fff;
  border: 1px solid var(--rule-soft);
  border-radius: 5px;
}

.ui-window-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 14px;
}

.ui-bubble {
  align-self: flex-end;
  max-width: 88%;
  padding: 7px 11px;
  border-radius: 12px 12px 4px 12px;
  background: #EDF1EE;
  color: #26312E;
  font-size: 11.5px;
  line-height: 1.5;
}

.ui-answer {
  padding: 11px 12px;
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  background: #fff;
}

.ui-answer-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink-2);
}

.ui-mark {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10A37F;
}

.ui-answer p {
  margin: 0 0 9px;
  font-size: 11.5px;
  line-height: 1.55;
  color: #33403C;
}

.ui-answer code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px;
  background: #F1F4F2;
  padding: 1px 4px;
  border-radius: 3px;
}

.ui-answer-actions { display: flex; gap: 6px; }

.ui-chip {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #fff;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--ink-2);
}

.ui-chip-brand {
  background: #0D6E5C;
  border-color: #0D6E5C;
  color: #fff;
}

.ui-modal {
  padding: 11px 12px;
  border: 1px solid rgba(12, 18, 16, 0.10);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 30px -18px rgba(12, 18, 16, 0.4);
}

.ui-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink);
}

.ui-x { color: #A6AFAC; font-size: 10px; }

.ui-field {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  margin-bottom: 7px;
  border: 1px solid rgba(13, 110, 92, 0.28);
  border-radius: 7px;
  background: #F4F9F7;
  font-size: 10.5px;
  color: #1F3A34;
}

.ui-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: #0D6E5C;
  color: #fff;
  font-size: 8px;
}

.ui-rounds {
  margin-left: auto;
  font-size: 9.5px;
  font-weight: 600;
  color: #0D6E5C;
}

.ui-field-tags {
  border: none;
  background: none;
  padding: 0;
  gap: 5px;
}

.ui-tag {
  padding: 2px 7px;
  border-radius: 999px;
  background: #F1F4F2;
  font-size: 9.5px;
  font-weight: 500;
  color: #46514E;
}

.ui-tag-ghost { color: #8A9491; background: #fff; border: 1px dashed var(--rule); }

.ui-modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 10px;
}

/* ---- Product UI: 420px popup ---- */
.ui-popup {
  width: 100%;
  max-width: 392px;
  background: #fff;
  border: 1px solid rgba(12, 18, 16, 0.10);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 26px 52px -30px rgba(12, 18, 16, 0.5);
}

.ui-popup-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: #0D6E5C;
  color: #fff;
}

.ui-popup-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
}

.ui-popup-brand i { font-style: normal; opacity: 0.75; }

.ui-popup-brand em {
  padding: 1px 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 9.5px;
  font-style: normal;
}

.ui-popup-tools { display: inline-flex; align-items: center; gap: 5px; }

.ui-popup-tool {
  padding: 3px 7px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 9.5px;
  font-weight: 500;
}

.ui-popup-tool-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 6px;
}

.ui-popup-search {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 10px 12px 8px;
  padding: 7px 10px;
  border: 1px solid var(--rule);
  border-radius: 7px;
  background: #FAFAF9;
  font-size: 10.5px;
  color: #8A9491;
}

.ui-popup-filters {
  display: flex;
  gap: 5px;
  padding: 0 12px 9px;
  border-bottom: 1px solid var(--rule-soft);
}

.ui-popup-filters b,
.ui-popup-filters span {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 9.5px;
  font-weight: 500;
  color: #5A6562;
  background: #F1F4F2;
}

.ui-popup-filters b { background: #0D6E5C; color: #fff; }

.ui-popup-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 9px 11px 11px;
  background: #FAFBFA;
}

.ui-item {
  padding: 8px 10px;
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  background: #fff;
}

.ui-item.is-active {
  border-left: 2.5px solid #0D6E5C;
  background: #F5FAF8;
}

.ui-item-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
  font-size: 9px;
}

.ui-src {
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
}

.ui-src-chatgpt { background: rgba(16, 163, 127, 0.13); color: #0E7A5F; }
.ui-src-deepseek { background: rgba(59, 130, 246, 0.13); color: #2563EB; }
.ui-src-claude { background: rgba(217, 119, 6, 0.13); color: #B45309; }

.ui-item-time { margin-left: auto; color: #9AA4A1; }

.ui-item-title {
  margin-bottom: 2px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  color: #1E2A27;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.ui-item-snip {
  font-size: 9.5px;
  color: #8A9491;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Product UI: note on disk ---- */
.act-media-note { padding: 32px; }

.ui-note-wrap {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  width: 100%;
  max-width: 520px;
  border: 1px solid rgba(12, 18, 16, 0.10);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 48px -30px rgba(12, 18, 16, 0.45);
}

.ui-tree {
  padding: 12px 10px;
  border-right: 1px solid var(--rule-soft);
  background: #FAFAF9;
  font-size: 10.5px;
  color: #4B5653;
}

.ui-tree-row {
  padding: 3px 4px;
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui-tree-row.is-file { color: #77827F; }
.ui-tree-row.is-file::before { content: "· "; }
.ui-tree-row.l1 { padding-left: 14px; }
.ui-tree-row.l2 { padding-left: 26px; }
.ui-tree-caret { color: #A6AFAC; margin-right: 3px; font-size: 9px; }

.ui-note {
  margin: 0;
  padding: 13px 14px;
  background: #121716;
  color: #D8E2DE;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  line-height: 1.72;
  overflow-x: auto;
}

.n-key { color: #7FA79B; }
.n-val { color: #C9D6D1; }
.n-str { color: #A9D9B9; }
.n-com { color: #6E7B77; }

/* ---- Video ---- */
.video-section { padding: 104px 0; }

.video-container {
  border-radius: 14px;
  border-color: var(--rule);
  box-shadow: 0 30px 70px -50px rgba(12, 18, 16, 0.5);
}

/* ---- Comparison ---- */
.comparison-section { padding: 104px 0; }

.comparison-table-wrap {
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  box-shadow: none;
}

.comparison-table th,
.comparison-table td {
  padding: 15px 20px;
  font-size: 13.5px;
  line-height: 1.55;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
}

.comparison-table thead th {
  padding-top: 12px;
  padding-bottom: 12px;
  background: transparent;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: #F6F9F8;
  color: var(--ink);
}

.comparison-table td:not(.highlight-col) { color: var(--ink-2); }

.comparison-table tr:last-child td { border-bottom: none; }

/* ---- FAQ ---- */
.faq-section { padding: 104px 0; }

.faq-list {
  gap: 0;
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.faq-item {
  padding: 17px 22px;
  border: none;
  border-bottom: 1px solid var(--rule-soft);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.faq-item:last-child { border-bottom: none; }

.faq-item:hover {
  border-color: var(--rule-soft);
  box-shadow: none;
  background: #FBFCFB;
}

.faq-item summary {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.faq-item p {
  margin: 11px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

.faq-footer-help {
  border: none;
  border-top: 1px solid var(--rule-soft);
  border-radius: 0;
  background: none;
  padding: 20px 0 0;
  margin-top: 28px;
}

/* ---- Footer ---- */
.footer {
  background: #fff;
  border-top: 1px solid var(--rule-soft);
  padding: 56px 0 28px;
}

.footer-grid { gap: 32px; margin-bottom: 40px; }

.footer-brand p {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.65;
}

.footer-col h5 {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-bottom: 12px;
}

.footer-col li { margin: 8px 0; }

.footer-col a { font-size: 13.5px; color: var(--ink-2); }

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid var(--rule-soft);
  font-size: 12.5px;
  color: var(--ink-3);
}

/* ---- Closing action ---- */
.closing {
  padding: 0 0 96px;
}

.closing-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 72px;
  border-top: 1px solid var(--rule-soft);
}

.closing h2 {
  max-width: 680px;
  margin: 0 0 14px;
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.028em;
  color: var(--ink);
}

.closing p {
  max-width: 520px;
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

.closing-note {
  margin: 20px 0 0 !important;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-3) !important;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .act {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .act:nth-child(even) .act-copy { order: 1; }
  .act:nth-child(even) .act-media { order: 2; }
  .act-media { min-height: 0; }
}

@media (max-width: 640px) {
  .hero { padding-top: 52px; }
  .hero .lead { font-size: 15.5px; }
  .hero h1 br { display: none; }
  .hero-actions { width: 100%; flex-direction: column; }
  .btn-primary, .btn-quiet { width: 100%; justify-content: center; }
  .platform-strip { gap: 6px 14px; margin-top: 30px; }
  .product-frame { margin-top: 32px; border-radius: 12px; }
  .acts, .video-section, .comparison-section, .faq-section { padding-top: 72px; }
  .video-section, .comparison-section, .faq-section { padding-bottom: 72px; }
  .act { padding: 44px 0; }
  .act-media, .act-media-popup, .act-media-note { padding: 18px; border-radius: 14px; }
  .ui-note-wrap { grid-template-columns: 1fr; }
  .ui-tree { display: none; }
  .faq-item { padding: 15px 16px; }
}

/* ==========================================================================
   Editorial system v3 — type-led hero, compact surfaces, one workspace band
   ========================================================================== */

.hero { padding: 0; text-align: left; }

.hero > .wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 64px);
  padding-top: 48px;
  padding-bottom: 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 432px;
  gap: 72px;
  align-items: center;
}

.hero h1 {
  max-width: 600px;
  margin: 0 0 20px;
  font-size: clamp(32px, 3.5vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.hero .lead {
  max-width: 500px;
  margin: 0 0 28px;
  font-size: 16.5px;
  line-height: 1.65;
}

.hero-actions { justify-content: flex-start; }

/* Hero note card */
.hero-card {
  padding: 18px 20px 16px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 14px;
  box-shadow: 0 30px 70px -46px rgba(12, 18, 16, 0.55);
}

.hc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 10.5px;
  color: var(--ink-3);
}

.hc-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--ink-2);
}

.hc-brand i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10A37F;
}

.hc-q {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}

.hc-a {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
}

.hc-a code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  background: rgba(12, 18, 16, 0.055);
  padding: 1px 5px;
  border-radius: 4px;
}

.hc-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.hc-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 9px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-2);
}

.hc-btn-brand {
  background: #0D6E5C;
  border-color: #0D6E5C;
  color: #fff;
}

.hc-toast {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  padding: 8px 10px;
  border: 1px solid rgba(13, 110, 92, 0.2);
  border-radius: 8px;
  background: #F4F9F7;
  font-size: 10.5px;
  color: #1F3A34;
}

.hc-check { color: #0D6E5C; font-weight: 700; }

.hc-toast em {
  margin-left: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-style: normal;
  font-size: 10px;
  color: #0D6E5C;
}

/* Platform row */
.hero-platforms {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 84px;
  padding-top: 26px;
  border-top: 1px solid var(--rule-soft);
}

.hp-label {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-right: 4px;
}

.hp-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
}

.hp-item img { width: 15px; height: 15px; }

/* ---- Surfaces grid ---- */
.surfaces { padding: 104px 0; }

.surface-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 44px;
}

.surface {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.2s ease, box-shadow 0.2s ease;
}

.surface:hover {
  transform: translateY(-2px);
  border-color: var(--rule);
  box-shadow: 0 20px 44px -32px rgba(12, 18, 16, 0.55);
}

.surface-frag {
  display: flex;
  justify-content: center;
  height: 196px;
  padding: 18px;
  overflow: hidden;
  background: var(--panel);
  border-bottom: 1px solid var(--rule-soft);
}

.surface-body { padding: 20px 22px 24px; }

.surface-index {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.surface-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--ink);
}

.surface-body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-2);
}

/* Fragments */
.frag-chat {
  width: 100%;
  max-width: 296px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  box-shadow: 0 12px 28px -22px rgba(12, 18, 16, 0.5);
}

.frag-bubble {
  max-width: 92%;
  margin: 0 0 8px auto;
  padding: 6px 9px;
  border-radius: 10px 10px 3px 10px;
  background: #EDF1EE;
  font-size: 10px;
  line-height: 1.45;
  color: #26312E;
}

.frag-answer {
  padding: 9px 10px;
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  font-size: 9.5px;
  font-weight: 600;
  color: var(--ink-2);
}

.frag-mark {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 4px;
  border-radius: 50%;
  background: #10A37F;
}

.frag-answer p {
  margin: 5px 0 8px;
  font-size: 10px;
  font-weight: 400;
  line-height: 1.5;
  color: #33403C;
}

.frag-answer code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  background: #F1F4F2;
  padding: 0 3px;
  border-radius: 3px;
}

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

.frag-btn {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 7px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  font-size: 9px;
  font-weight: 500;
  color: var(--ink-2);
  background: #fff;
}

.frag-btn-brand {
  background: #0D6E5C;
  border-color: #0D6E5C;
  color: #fff;
}

.frag-popup {
  width: 100%;
  max-width: 262px;
  align-self: flex-start;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  box-shadow: 0 12px 28px -22px rgba(12, 18, 16, 0.5);
}

.frag-popup-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: #0D6E5C;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
}

.frag-popup-head em {
  padding: 0 5px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 8.5px;
  font-style: normal;
}

.frag-popup-search {
  margin: 8px 10px;
  padding: 5px 8px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #FAFAF9;
  font-size: 9px;
  color: #8A9491;
}

.frag-popup-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 7px 10px;
  border-top: 1px solid var(--rule-soft);
}

.frag-popup-item.is-active {
  border-left: 2px solid #0D6E5C;
  background: #F5FAF8;
}

.frag-popup-item b {
  font-size: 9.5px;
  font-weight: 600;
  color: #1E2A27;
}

.frag-src { font-size: 8.5px; font-weight: 600; color: #0E7A5F; }
.frag-src-blue { color: #2563EB; }

.frag-md {
  width: 100%;
  max-width: 300px;
  padding: 12px 14px;
  overflow: hidden;
  border-radius: 9px;
  background: #121716;
  color: #D8E2DE;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9.5px;
  line-height: 1.8;
  white-space: pre-wrap;
  box-shadow: 0 12px 28px -22px rgba(12, 18, 16, 0.5);
}

/* Multi-platform save list */
.frag-multi {
  width: 100%;
  max-width: 300px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  box-shadow: 0 12px 28px -22px rgba(12, 18, 16, 0.5);
}

.fm-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px;
  border-radius: 6px;
}

.fm-row:first-child { background: #F5FAF8; }

.fm-src {
  display: inline-flex;
  flex: 0 0 58px;
  align-items: center;
  gap: 4px;
  font-size: 8.5px;
  font-weight: 600;
  color: var(--ink-2);
}

.fm-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #10A37F;
}

.fm-dot.d-claude { background: #D97706; }
.fm-dot.d-deepseek { background: #3B82F6; }

.fm-q {
  flex: 1;
  min-width: 0;
  font-size: 9.5px;
  color: #33403C;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fm-save {
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(13, 110, 92, 0.09);
  font-size: 8.5px;
  font-weight: 600;
  color: var(--primary);
}

.fm-more {
  margin-top: 6px;
  padding-top: 7px;
  border-top: 1px dashed var(--rule);
  font-size: 8.5px;
  text-align: center;
  color: #8A9491;
}

/* ---- Workspace band ---- */
.band {
  padding: 104px 0;
  background: #F5F6F3;
}

.band-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 64px;
  align-items: end;
  margin-bottom: 40px;
}

.band-head h2 {
  margin: 0;
  font-size: clamp(26px, 2.8vw, 36px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.band-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
}

.band-visual {
  max-width: 1120px;
  margin: 0 auto;
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 30px 70px -56px rgba(12, 18, 16, 0.5);
}

.band-visual img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---- FAQ: two columns ---- */
.faq-section .wrap {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  column-gap: 64px;
  align-items: start;
}

.faq-section .section-head {
  grid-column: 1;
  margin: 0;
  position: sticky;
  top: 96px;
}

.faq-section .section-head h2 { font-size: clamp(24px, 2.4vw, 30px); }

.faq-section .faq-list { grid-column: 2; }

.faq-section .faq-footer-help {
  grid-column: 2;
  margin-top: 22px;
  padding-top: 18px;
}

/* ---- Comparison: slimmer ---- */
.comparison-table th,
.comparison-table td { padding: 13px 18px; font-size: 13px; }

.comparison-table thead th { font-size: 10.5px; }

.comparison-table td.highlight-col { font-weight: 500; }

/* ---- Comparison: three columns ---- */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.compare-col {
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
}

.compare-col.is-muted { background: transparent; }

.compare-col.is-us {
  border-color: rgba(13, 110, 92, 0.3);
  background: #fff;
  box-shadow: 0 24px 56px -46px rgba(12, 18, 16, 0.6);
}

.compare-label {
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.compare-col.is-us .compare-label {
  color: var(--primary);
  border-bottom-color: rgba(13, 110, 92, 0.22);
}

.compare-col ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compare-col li {
  display: flex;
  gap: 9px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-3);
}

.compare-col.is-us li { color: var(--ink-2); }

.compare-col li b {
  display: block;
  margin-bottom: 1px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.compare-col.is-us li b { color: var(--ink); }

.ci {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  margin-top: 2px;
  border-radius: 50%;
  font-size: 8.5px;
}

.ci-no { background: rgba(12, 18, 16, 0.055); color: #9AA4A1; }
.ci-yes { background: rgba(13, 110, 92, 0.12); color: var(--primary); }

@media (max-width: 1024px) {
  .hero > .wrap { min-height: 0; padding-top: 64px; padding-bottom: 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1, .hero .lead { max-width: 640px; }
  .hero-card { max-width: 460px; }
  .hero-platforms { margin-top: 56px; }
  .surface-grid { grid-template-columns: 1fr; }
  .surface-frag { height: 210px; }
  .compare-grid { grid-template-columns: 1fr; gap: 14px; }
  .band-head { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .band-visual { max-height: 420px; }
  .faq-section .wrap { grid-template-columns: 1fr; }
  .faq-section .section-head,
  .faq-section .faq-list,
  .faq-section .faq-footer-help { grid-column: 1; }
  .faq-section .section-head { position: static; margin-bottom: 28px; }
}

@media (max-width: 640px) {
  .hero > .wrap { padding-top: 44px; padding-bottom: 48px; }
  .hero-card { max-width: none; }
  .hc-toast em { margin-left: 0; }
  .hero-platforms { gap: 8px 14px; }
  .surfaces { padding: 72px 0; }
  .surface-grid { margin-top: 32px; }
  .band { padding-top: 72px; }
  .band { padding: 72px 0; }
  .band-visual { border-radius: 12px; }
}