:root {
  --blue: #3B6CF4;
  --blue-dark: #2B52CC;
  --blue-deeper: #1E3A99;
  --blue-light: #EBF0FF;
  --blue-glow: rgba(59,108,244,0.12);
  --navy: #0B1120;
  --navy-light: #141E35;
  --navy-mid: #1C2842;
  --text: #16192B;
  --text-mid: #464B63;
  --text-light: #8388A0;
  --bg: #F6F7FB;
  --white: #FFFFFF;
  --green: #16B364;
  --green-light: #E8FBF0;
  --orange: #E8930C;
  --orange-light: #FFF9EB;
  --purple: #7C5BF0;
  --purple-light: #F0EDFF;
  --gradient: linear-gradient(135deg, #3B6CF4 0%, #7C5BF0 100%);
  --gradient-dark: linear-gradient(160deg, #0B1120 0%, #141E35 40%, #1C2842 70%, #0B1120 100%);
  --shadow-sm: 0 1px 3px rgba(11,17,32,0.05);
  --shadow-md: 0 8px 30px rgba(11,17,32,0.07);
  --shadow-lg: 0 20px 60px rgba(11,17,32,0.1);
  --radius: 20px;
  --radius-sm: 14px;
  --radius-xs: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.23,1,.32,1), transform .7s cubic-bezier(.23,1,.32,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }
.reveal-d4 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .pmsg, .hero-float, .hero-tag-dot, .pmsg-typing span {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
}

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(246,247,251,.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(59,108,244,.06);
  padding: 14px 0;
  transition: all .3s;
}
nav.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,.05);
  background: rgba(246,247,251,.92);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -.3px;
}
.logo span { color: var(--blue); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-mid);
  transition: color .2s;
}
.nav-links a:hover { color: var(--blue); }
.nav-links .nav-cta, .nav-links .nav-cta:hover { color: #fff; }
.nav-cta {
  background: var(--navy);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(59,108,244,.25);
}

/* Burger */
.burger {
  display: none;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  position: absolute;
  left: 8px;
  transition: all .3s;
}
.burger span:nth-child(1) { top: 11px; }
.burger span:nth-child(2) { top: 17px; }
.burger span:nth-child(3) { top: 23px; }
.burger.open span:nth-child(1) { transform: rotate(45deg); top: 17px; }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg); top: 17px; }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(246,247,251,.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  transition: opacity .3s;
}
.mobile-menu.open { display: flex; opacity: 1; }
.mobile-menu a { text-decoration: none; font-size: 20px; font-weight: 700; color: var(--text); }
.mobile-menu .nav-cta { font-size: 16px; padding: 14px 32px; }

/* ===== STICKY MOBILE CTA ===== */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(246,247,251,.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 12px 20px;
  border-top: 1px solid rgba(0,0,0,.06);
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.23,1,.32,1);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta a {
  display: block;
  text-align: center;
  background: var(--navy);
  color: #fff;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  font-family: inherit;
}
.sticky-cta a:active { background: var(--blue); }

/* ===== SECTION HELPERS ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--blue);
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.section-h {
  font-family: 'DM Serif Display', serif;
  font-size: 38px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -.3px;
  margin-bottom: 14px;
  color: var(--navy);
}
.section-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-mid);
  max-width: 540px;
  margin-bottom: 48px;
}

/* ===== HERO ===== */
.hero {
  padding: 140px 28px 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, #EDEFFE 60%, var(--bg) 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(59,108,244,.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr .85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 10px;
  background: #fff;
  border: 1px solid rgba(59,108,244,.12);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-dark);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.hero-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 48px;
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: -.5px;
  margin-bottom: 20px;
  color: var(--navy);
}
.hero h1 em {
  font-style: italic;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-mid);
  margin-bottom: 30px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: #fff;
  border: none;
  padding: 16px 30px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .3s cubic-bezier(.23,1,.32,1);
  font-family: inherit;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(11,17,32,.15);
}
.btn-primary:hover {
  background: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(59,108,244,.25);
}
.btn-primary svg { width: 18px; height: 18px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  border: 2px solid rgba(0,0,0,.1);
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }

/* Hero proof */
.hero-proof { display: flex; gap: 28px; align-items: center; }
.hero-proof-item { display: flex; flex-direction: column; }
.hero-proof-num { font-size: 20px; font-weight: 800; color: var(--navy); letter-spacing: -.3px; }
.hero-proof-label { font-size: 11px; color: var(--text-light); margin-top: 2px; font-weight: 500; }

/* Phone mockup */
.hero-phone-wrap { display: flex; justify-content: center; position: relative; }
.hero-phone {
  width: 280px;
  background: var(--navy);
  border-radius: 36px;
  padding: 7px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.06) inset, 0 40px 80px rgba(59,108,244,.12);
  position: relative;
}
.hero-phone-screen { background: #fff; border-radius: 30px; overflow: hidden; min-height: 480px; }
.phone-top { background: var(--blue); padding: 14px 16px 12px; display: flex; align-items: center; gap: 10px; }
.phone-bot-ava {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.phone-bot-info { flex: 1; }
.phone-bot-name { font-size: 13px; font-weight: 700; color: #fff; }
.phone-bot-status { font-size: 10px; color: rgba(255,255,255,.65); }
.phone-chat { padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.pmsg {
  padding: 9px 12px;
  border-radius: 14px;
  font-size: 11.5px;
  line-height: 1.5;
  max-width: 88%;
  opacity: 0;
  animation: chatIn .5s ease forwards;
}
.pmsg-bot { background: #F0F2F5; align-self: flex-start; border-bottom-left-radius: 4px; }
.pmsg-user { background: var(--blue); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.pmsg:nth-child(1) { animation-delay: .3s; }
.pmsg:nth-child(2) { animation-delay: .8s; }
.pmsg:nth-child(3) { animation-delay: 1.3s; }
.pmsg:nth-child(4) { animation-delay: 1.8s; }
.pmsg:nth-child(5) { animation-delay: 2.3s; }
.pmsg:nth-child(6) { animation-delay: 2.8s; }
.pmsg:nth-child(7) { animation-delay: 3.3s; }
@keyframes chatIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.pmsg-btns { display: flex; flex-direction: column; gap: 4px; margin-top: 5px; }
.pmsg-btn {
  background: var(--blue-light);
  color: var(--blue-dark);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 10.5px;
  text-align: center;
  font-weight: 600;
}

/* Floating cards */
.hero-float {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-xs);
  padding: 11px 15px;
  box-shadow: 0 8px 32px rgba(11,17,32,.1);
  border: 1px solid rgba(0,0,0,.03);
  animation: floatY 5s ease-in-out infinite;
}
.hero-float-1 { top: 20px; right: -16px; animation-delay: 0s; }
.hero-float-2 { bottom: 90px; left: -24px; animation-delay: 2s; }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hf-row { display: flex; align-items: center; gap: 8px; }
.hf-icon { font-size: 16px; }
.hf-text { font-size: 11px; font-weight: 700; color: var(--text); white-space: nowrap; }
.hf-sub { font-size: 9px; color: var(--text-light); font-weight: 500; }

/* ===== TRUST BAR ===== */
.trust-bar { padding: 40px 28px 50px; }
.trust-inner { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.trust-label { font-size: 12px; text-transform: uppercase; letter-spacing: 2px; color: var(--text-light); font-weight: 600; }
.trust-platforms { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; justify-content: center; }
.trust-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: #fff;
  border-radius: 100px;
  border: 1px solid rgba(0,0,0,.06);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-mid);
  box-shadow: var(--shadow-sm);
}
.trust-chip-dot { width: 8px; height: 8px; border-radius: 50%; }
.tc-tg { background: #229ED9; }
.tc-vk { background: #0077FF; }
.tc-av { background: #00AAFF; }
.tc-mx { background: #F33; }

/* ===== PROBLEM ===== */
.problem { padding: 80px 28px 90px; background: #fff; }
.problem-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.problem-left { position: sticky; top: 120px; }
.problem-right { display: flex; flex-direction: column; gap: 14px; }
.problem-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 26px 28px;
  border: 1px solid rgba(0,0,0,.04);
  position: relative;
  overflow: hidden;
  transition: all .35s cubic-bezier(.23,1,.32,1);
}
.problem-card:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient);
  opacity: 0;
  transition: opacity .3s;
}
.problem-card:hover::before { opacity: 1; }
.pc-top { display: flex; align-items: flex-start; gap: 14px; }
.pc-icon {
  font-size: 22px;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.05);
}
.pc-content { flex: 1; }
.pc-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; color: var(--navy); }
.pc-text { font-size: 13px; line-height: 1.6; color: var(--text-mid); }
.pc-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 4px 10px;
  background: rgba(232,147,12,.08);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
}

/* ===== SOLUTION ===== */
.solution { padding: 80px 28px 90px; position: relative; overflow: hidden; }
.sol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; margin-top: 48px; }
.funnel-flow { display: flex; flex-direction: column; position: relative; }
.funnel-flow::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue), var(--purple), var(--green));
  z-index: 0;
}
.ff-step { display: flex; gap: 16px; padding: 16px 0; position: relative; z-index: 1; }
.ff-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 14px rgba(59,108,244,.15);
}
.ff-dot-1 { background: var(--blue); }
.ff-dot-2 { background: #5D5FF0; }
.ff-dot-3 { background: var(--purple); }
.ff-dot-4 { background: #9B5BF0; }
.ff-dot-5 { background: var(--green); }
.ff-content h4 { font-size: 14px; font-weight: 700; margin-bottom: 3px; color: var(--navy); }
.ff-content p { font-size: 12.5px; line-height: 1.55; color: var(--text-mid); }
.ff-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
  margin-top: 5px;
}
.ff-tag-auto { background: var(--blue-light); color: var(--blue-dark); }
.ff-tag-ai { background: var(--purple-light); color: var(--purple); }

/* Showcase */
.sol-showcase {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 34px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.sol-showcase::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(59,108,244,.2), transparent);
  border-radius: 50%;
}
.sol-showcase::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(124,91,240,.12), transparent);
  border-radius: 50%;
}
.sol-showcase > * { position: relative; z-index: 1; }
.ss-title { font-size: 17px; font-weight: 700; margin-bottom: 22px; }
.ss-metric { display: flex; align-items: baseline; gap: 8px; margin-bottom: 22px; }
.ss-metric-num {
  font-family: 'DM Serif Display', serif;
  font-size: 56px;
  font-weight: 400;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ss-metric-label { font-size: 14px; color: rgba(255,255,255,.5); }
.ss-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.ss-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.ss-card-num { font-size: 22px; font-weight: 800; }
.ss-card-label { font-size: 11px; color: rgba(255,255,255,.45); margin-top: 3px; }
.ss-note { font-size: 11px; color: rgba(255,255,255,.3); line-height: 1.5; }

/* ===== 3 STEPS ===== */
.steps-section { padding: 80px 28px; background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.step-card { text-align: center; position: relative; }
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--blue);
  margin: 0 auto 18px;
}
.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--navy); }
.step-card p { font-size: 13px; line-height: 1.6; color: var(--text-mid); max-width: 280px; margin: 0 auto; }
.step-arrow { position: absolute; top: 28px; right: -32px; font-size: 20px; color: var(--text-light); font-weight: 300; }
.step-card:last-child .step-arrow { display: none; }
.step-mockup { margin-top: 16px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid rgba(0,0,0,.06); box-shadow: var(--shadow-sm); }
.step-mockup-bar { height: 8px; background: var(--bg); display: flex; align-items: center; gap: 3px; padding: 0 6px; }
.step-mockup-bar span { width: 4px; height: 4px; border-radius: 50%; background: rgba(0,0,0,.15); }
.step-mockup-body { padding: 12px; background: #fff; min-height: 100px; }
.smock-templates { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.smock-tpl {
  height: 36px;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: var(--bg);
  transition: all .2s;
}
.smock-tpl.active { border-color: var(--blue); background: var(--blue-light); box-shadow: 0 0 0 2px rgba(59,108,244,.15); }
.smock-blocks { display: flex; flex-direction: column; gap: 4px; }
.smock-block {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--bg);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-mid);
  border: 1px solid rgba(0,0,0,.04);
}
.smock-block-icon { width: 18px; height: 18px; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 9px; flex-shrink: 0; }
.sbi-blue { background: var(--blue-light); }
.sbi-green { background: var(--green-light); }
.sbi-purple { background: var(--purple-light); }
.smock-connect { display: flex; align-items: center; gap: 4px; padding: 4px 0; justify-content: center; }
.smock-connect-line { width: 2px; height: 10px; background: var(--blue); border-radius: 1px; }
.smock-launch { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.smock-launch-status { display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; color: var(--green); }
.smock-launch-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
.smock-launch-stats { display: flex; gap: 12px; margin-top: 4px; }
.smock-stat { text-align: center; }
.smock-stat-num { font-size: 16px; font-weight: 800; color: var(--navy); }
.smock-stat-label { font-size: 8px; color: var(--text-light); margin-top: 1px; }

/* ===== INTERACTIVE CONSTRUCTOR ===== */
.interface-section { padding: 80px 28px; overflow: hidden; }
.interface-layout { margin-top: 48px; }
.mock { border-radius: 16px; overflow: hidden; box-shadow: 0 24px 80px rgba(11,17,32,.12), 0 0 0 1px rgba(0,0,0,.06); background: #fff; user-select: none; position: relative; }
.mock-topbar { height: 40px; background: #1A1F2E; display: flex; align-items: center; padding: 0 16px; gap: 8px; }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-dot:nth-child(1) { background: #FF5F57; }
.mock-dot:nth-child(2) { background: #FEBC2E; }
.mock-dot:nth-child(3) { background: #28C840; }
.mock-topbar-title { margin-left: 16px; font-size: 12px; color: rgba(255,255,255,.45); font-weight: 600; flex: 1; }
.mock-topbar-actions { display: flex; gap: 8px; align-items: center; }
.mock-btn-test { padding: 5px 14px; border-radius: 6px; font-size: 11px; font-weight: 600; background: rgba(255,255,255,.08); color: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.1); cursor: pointer; transition: all .2s; }
.mock-btn-test:hover { background: rgba(255,255,255,.15); color: #fff; }
.mock-btn-test.playing { background: rgba(22,179,100,.2); color: #16B364; border-color: rgba(22,179,100,.3); }
.mock-btn-pub { padding: 5px 14px; border-radius: 6px; font-size: 11px; font-weight: 700; background: #3B6CF4; color: #fff; border: none; cursor: pointer; transition: all .2s; }
.mock-btn-pub:hover { background: #2B52CC; }
.mock-btn-pub.published { background: #16B364; }
.mock-tabs { display: none; border-bottom: 1px solid rgba(0,0,0,.06); background: #F5F6FA; }
.mock-tab { flex: 1; padding: 10px; text-align: center; font-size: 12px; font-weight: 700; color: var(--text-light); cursor: pointer; border-bottom: 2px solid transparent; transition: all .2s; }
.mock-tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.mock-toast { position: absolute; top: 50px; left: 50%; transform: translateX(-50%) translateY(-10px); background: var(--navy); color: #fff; padding: 10px 20px; border-radius: 10px; font-size: 12px; font-weight: 700; opacity: 0; transition: all .3s; z-index: 10; pointer-events: none; white-space: nowrap; }
.mock-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.mock-body { display: grid; grid-template-columns: 210px 1fr 260px; min-height: 420px; }
.mock-sidebar { background: #F5F6FA; border-right: 1px solid rgba(0,0,0,.06); padding: 16px 12px; overflow-y: auto; }
.mock-sb-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-light); font-weight: 700; margin-bottom: 10px; }
.mock-sb-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; font-size: 12px; font-weight: 600; color: var(--text-mid); margin-bottom: 4px; cursor: grab; transition: all .15s; border: 1px solid transparent; }
.mock-sb-item:hover { background: #fff; border-color: rgba(0,0,0,.06); box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.mock-sb-item:active { cursor: grabbing; transform: scale(.97); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.mock-sb-item.dragging { opacity: .4; }
.mock-sb-icon { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.msbi-blue { background: var(--blue-light); }
.msbi-green { background: var(--green-light); }
.msbi-purple { background: var(--purple-light); }
.msbi-orange { background: var(--orange-light); }
.msbi-red { background: #FFEBE8; }
.mock-canvas { background: #FAFBFE; position: relative; overflow-y: auto; overflow-x: hidden; padding: 20px; max-height: 520px; }
.mock-canvas-grid { position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(0,0,0,.04) 1px, transparent 1px); background-size: 20px 20px; }
.mock-flow { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 0; padding: 10px 0; }
.mock-node { background: #fff; border-radius: 12px; border: 2px solid rgba(0,0,0,.06); padding: 14px 18px; width: 240px; cursor: pointer; transition: all .2s; position: relative; }
.mock-node:hover { border-color: rgba(59,108,244,.25); box-shadow: 0 4px 20px rgba(59,108,244,.08); }
.mock-node.selected { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,108,244,.1), 0 4px 20px rgba(59,108,244,.1); }
.mock-node-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.mock-node-icon { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.mock-node-title { font-size: 13px; font-weight: 700; color: var(--navy); }
.mock-node-desc { font-size: 11px; color: var(--text-light); line-height: 1.4; padding-left: 38px; }
.mock-node-tag { display: inline-block; font-size: 9px; font-weight: 700; padding: 2px 8px; border-radius: 5px; margin-top: 6px; margin-left: 38px; }
.mock-node-step { position: absolute; top: -8px; right: -8px; width: 22px; height: 22px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 10px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 6px rgba(0,0,0,.15); }
.mock-node-stat { font-size: 9px; color: var(--green); font-weight: 700; margin-left: 38px; margin-top: 3px; }
.mock-connector { width: 2px; height: 24px; background: linear-gradient(to bottom, var(--blue), rgba(59,108,244,.3)); border-radius: 1px; position: relative; }
.mock-connector::after { content: ''; position: absolute; bottom: -3px; left: -3px; width: 8px; height: 8px; border-radius: 50%; border: 2px solid var(--blue); background: #fff; }
.mock-preview { border-left: 1px solid rgba(0,0,0,.06); background: #fff; padding: 16px; display: flex; flex-direction: column; }
.mock-pv-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-light); font-weight: 700; margin-bottom: 14px; }
.mock-pv-phone { background: #1A1F2E; border-radius: 20px; padding: 5px; flex: 1; display: flex; flex-direction: column; }
.mock-pv-screen { background: #fff; border-radius: 16px; flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.mock-pv-header { background: var(--blue); padding: 10px 14px; display: flex; align-items: center; gap: 8px; }
.mock-pv-ava { width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; font-size: 12px; }
.mock-pv-name { font-size: 11px; font-weight: 700; color: #fff; }
.mock-pv-status { font-size: 9px; color: rgba(255,255,255,.6); }
.mock-pv-chat { padding: 10px; flex: 1; display: flex; flex-direction: column; gap: 5px; overflow-y: auto; }
.mock-pv-msg { padding: 7px 11px; border-radius: 12px; font-size: 10.5px; line-height: 1.45; max-width: 88%; animation: mockMsgIn .3s ease; }
.mock-pv-bot { background: #F0F2F5; align-self: flex-start; border-bottom-left-radius: 4px; }
.mock-pv-user { background: var(--blue); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.mock-pv-btn { background: var(--blue-light); color: var(--blue-dark); padding: 5px 10px; border-radius: 8px; font-size: 9.5px; font-weight: 600; text-align: center; margin-top: 3px; cursor: pointer; transition: background .15s; }
.mock-pv-btn:hover { background: #D8E2FF; }
@keyframes mockMsgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ===== FEATURES ===== */
.features { padding: 80px 28px; background: #fff; }
.feat-tabs { display: flex; gap: 6px; margin-bottom: 36px; flex-wrap: wrap; }
.feat-tab { padding: 10px 20px; border-radius: 100px; font-size: 13px; font-weight: 600; border: 2px solid rgba(0,0,0,.05); background: #fff; color: var(--text-mid); cursor: pointer; transition: all .2s; font-family: inherit; }
.feat-tab:hover { border-color: var(--blue); color: var(--blue); }
.feat-tab.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.feat-panel { display: none; }
.feat-panel.active { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat-card { background: var(--bg); border-radius: var(--radius); padding: 24px; border: 1px solid rgba(0,0,0,.04); transition: all .35s cubic-bezier(.23,1,.32,1); }
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(59,108,244,.12); }
.fc-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 12px; }
.fc-icon-blue { background: var(--blue-light); }
.fc-icon-green { background: var(--green-light); }
.fc-icon-purple { background: var(--purple-light); }
.fc-icon-orange { background: var(--orange-light); }
.fc-title { font-size: 14px; font-weight: 700; margin-bottom: 4px; color: var(--navy); }
.fc-text { font-size: 13px; line-height: 1.6; color: var(--text-mid); }

/* ===== CALCULATOR ===== */
.calc-section { padding: 80px 28px; }
.calc-wrap { background: var(--navy); border-radius: 24px; padding: 52px; display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; position: relative; overflow: hidden; }
.calc-wrap::before { content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(59,108,244,.08), transparent); border-radius: 50%; }
.calc-left { position: relative; z-index: 1; color: #fff; }
.calc-left h2 { font-family: 'DM Serif Display', serif; font-size: 30px; font-weight: 400; margin-bottom: 10px; }
.calc-left > p { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,.55); margin-bottom: 28px; }
.calc-slider-group { margin-bottom: 22px; }
.calc-slider-label { display: flex; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 10px; font-weight: 600; }
.calc-slider-val { color: #fff; font-weight: 800; }
input[type=range] { width: 100%; height: 6px; -webkit-appearance: none; appearance: none; background: rgba(255,255,255,.12); border-radius: 3px; outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.3); }
input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.3); border: none; }
.calc-note { display: flex; align-items: flex-start; gap: 8px; margin-top: 20px; padding: 12px 14px; background: rgba(255,255,255,.04); border-radius: 10px; border: 1px solid rgba(255,255,255,.06); }
.calc-note-icon { font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.calc-note-text { font-size: 11px; color: rgba(255,255,255,.4); line-height: 1.5; }
.calc-right { position: relative; z-index: 1; }
.calc-result { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 30px; text-align: center; color: #fff; }
.calc-result-label { font-size: 12px; color: rgba(255,255,255,.45); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.calc-result-num { font-family: 'DM Serif Display', serif; font-size: 48px; font-weight: 400; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.calc-result-sub { font-size: 12px; color: rgba(255,255,255,.4); margin-top: 4px; }
.calc-breakdown { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.calc-bd-item { background: rgba(255,255,255,.04); border-radius: 10px; padding: 12px 6px; text-align: center; }
.calc-bd-num { font-size: 20px; font-weight: 800; color: #fff; }
.calc-bd-label { font-size: 9px; color: rgba(255,255,255,.35); margin-top: 2px; line-height: 1.3; }
.calc-hint { text-align: center; margin-top: 8px; font-size: 10px; color: rgba(255,255,255,.25); display: none; }
.calc-hint.visible { display: block; }

/* ===== TEMPLATES ===== */
.cases { padding: 80px 28px; background: #fff; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.case-card { border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(0,0,0,.05); transition: all .35s cubic-bezier(.23,1,.32,1); background: #fff; }
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.case-header { padding: 24px 22px 16px; }
.case-emoji { font-size: 30px; margin-bottom: 8px; }
.case-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 5px; color: var(--navy); }
.case-card .case-desc { font-size: 12px; color: var(--text-mid); line-height: 1.55; }
.case-flow { padding: 0 22px 18px; }
.case-flow-step { display: flex; align-items: center; gap: 7px; padding: 4px 0; font-size: 11px; color: var(--text-mid); }
.case-flow-step::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); flex-shrink: 0; }
.case-flow-arrow { text-align: center; font-size: 9px; color: var(--text-light); padding: 1px 0; }
.case-footer { padding: 12px 22px; border-top: 1px solid rgba(0,0,0,.04); display: flex; justify-content: space-between; align-items: center; }
.case-tag { font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 6px; background: var(--green-light); color: var(--green); }
.case-time { font-size: 11px; color: var(--text-light); font-weight: 600; }
.case-cta { padding: 14px 22px 18px; }
.case-btn {
  display: block;
  text-align: center;
  background: var(--navy);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: all .25s cubic-bezier(.23,1,.32,1);
}
.case-btn:hover { background: var(--blue); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,108,244,.2); }

/* ===== POTENTIAL RESULTS ===== */
.potential { padding: 80px 28px; background: var(--gradient-dark); color: #fff; position: relative; overflow: hidden; }
.potential::before { content: ''; position: absolute; top: -100px; left: 50%; transform: translateX(-50%); width: 700px; height: 700px; background: radial-gradient(circle, rgba(59,108,244,.08), transparent); }
.potential .section-label { color: rgba(255,255,255,.45); }
.potential .section-label::before { background: rgba(255,255,255,.25); }
.potential .section-h { color: #fff; }
.potential-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 48px; position: relative; z-index: 1; }
.pot-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07); border-radius: var(--radius); padding: 26px; text-align: center; transition: all .3s; }
.pot-card:hover { background: rgba(255,255,255,.07); transform: translateY(-4px); }
.pot-val { font-family: 'DM Serif Display', serif; font-size: 38px; font-weight: 400; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.pot-label { font-size: 13px; color: rgba(255,255,255,.55); margin-top: 6px; line-height: 1.4; }
.potential-scenarios { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; position: relative; z-index: 1; }
.ps-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07); border-radius: var(--radius); padding: 28px; }
.ps-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.ps-title { font-size: 14px; font-weight: 700; }
.ps-badge { font-size: 11px; padding: 4px 10px; background: rgba(59,108,244,.15); border-radius: 6px; color: rgba(255,255,255,.6); }
.ps-flow { display: flex; flex-direction: column; gap: 8px; }
.ps-step { display: flex; align-items: center; gap: 10px; font-size: 12px; color: rgba(255,255,255,.6); }
.ps-step-num { width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.ps-result { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.06); display: flex; gap: 20px; }
.ps-result-val { font-size: 20px; font-weight: 800; }
.ps-result-label { font-size: 10px; color: rgba(255,255,255,.35); margin-top: 2px; }
.ps-disclaimer { grid-column: 1 / -1; text-align: center; font-size: 11px; color: rgba(255,255,255,.2); margin-top: 4px; position: relative; z-index: 1; }

/* ===== FOR WHOM ===== */
.for-whom { padding: 80px 28px; background: #fff; }
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.persona-card { background: var(--bg); border-radius: var(--radius); padding: 32px 28px; border: 1px solid rgba(0,0,0,.04); transition: all .35s cubic-bezier(.23,1,.32,1); position: relative; overflow: hidden; }
.persona-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.persona-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient); opacity: 0; transition: opacity .3s; }
.persona-card:hover::before { opacity: 1; }
.persona-emoji { font-size: 36px; margin-bottom: 16px; }
.persona-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.persona-desc { font-size: 13px; line-height: 1.6; color: var(--text-mid); margin-bottom: 16px; }
.persona-gets { display: flex; flex-direction: column; gap: 8px; }
.persona-get { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: var(--text-mid); line-height: 1.5; }
.persona-get-icon { flex-shrink: 0; font-size: 14px; margin-top: 1px; }
.persona-template { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; padding: 6px 12px; background: var(--blue-light); border-radius: 8px; font-size: 11px; font-weight: 700; color: var(--blue-dark); text-decoration: none; transition: all .2s; }
.persona-template:hover { background: var(--blue); color: #fff; }

/* ===== CTA ===== */
.cta-final { padding: 80px 28px; }
.cta-box { background: var(--navy); border-radius: 24px; padding: 72px 48px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: -50%; left: 20%; width: 60%; height: 200%; background: radial-gradient(ellipse at center, rgba(59,108,244,.08), transparent 60%); }
.cta-box h2 { font-family: 'DM Serif Display', serif; font-size: 38px; font-weight: 400; margin-bottom: 14px; position: relative; z-index: 1; }
.cta-box > p { font-size: 16px; opacity: .55; margin-bottom: 32px; max-width: 460px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; line-height: 1.6; }
.btn-cta-main { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--navy); border: none; padding: 18px 36px; border-radius: var(--radius-sm); font-size: 16px; font-weight: 700; cursor: pointer; transition: all .3s cubic-bezier(.23,1,.32,1); font-family: inherit; text-decoration: none; box-shadow: 0 4px 24px rgba(0,0,0,.12); position: relative; z-index: 1; }
.btn-cta-main:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,.2); background: var(--blue-light); }
.cta-footnote { font-size: 13px; opacity: .35; margin-top: 16px; position: relative; z-index: 1; }

/* ===== FAQ ===== */
.faq { padding: 80px 28px; }
.faq-list { max-width: 720px; margin: 48px auto 0; }
.faq-item { border-bottom: 1px solid rgba(0,0,0,.05); }
.faq-q { width: 100%; background: none; border: none; padding: 20px 0; font-size: 15px; font-weight: 700; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; color: var(--text); gap: 16px; }
.faq-q:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--blue-light); display: flex; align-items: center; justify-content: center; font-size: 15px; color: var(--blue); flex-shrink: 0; transition: all .3s; }
.faq-item.open .faq-icon { background: var(--navy); color: #fff; transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; font-size: 14px; line-height: 1.7; color: var(--text-mid); }
.faq-item.open .faq-a { max-height: 400px; padding-bottom: 20px; }

/* ===== FOOTER ===== */
footer { padding: 48px 28px 36px; border-top: 1px solid rgba(0,0,0,.06); background: var(--bg); }
.footer-inner { max-width: 1140px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .logo { display: inline-block; margin-bottom: 12px; }
.footer-brand p { font-size: 13px; color: var(--text-light); line-height: 1.6; max-width: 240px; }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-mid); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 13px; color: var(--text-light); text-decoration: none; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom { max-width: 1140px; margin: 28px auto 0; padding-top: 20px; border-top: 1px solid rgba(0,0,0,.05); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: var(--text-light); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12px; color: var(--text-light); text-decoration: none; transition: color .2s; }
.footer-bottom-links a:hover { color: var(--blue); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .burger { display: block; }

  /* Sections: reduce vertical padding */
  .hero { padding: 100px 20px 40px; }
  .problem { padding: 48px 20px 56px; }
  .solution { padding: 48px 20px 56px; }
  .steps-section { padding: 48px 20px; }
  .interface-section { padding: 48px 20px; }
  .features { padding: 48px 20px; }
  .calc-section { padding: 48px 20px; }
  .cases { padding: 48px 20px; }
  .potential { padding: 48px 20px; }
  .for-whom { padding: 48px 20px; }
  .cta-final { padding: 48px 20px; }
  .faq { padding: 48px 20px; }
  .trust-bar { padding: 24px 20px 32px; }
  footer { padding: 36px 20px 28px; }

  /* Section text */
  .section-h { font-size: 28px; }
  .section-sub { font-size: 15px; margin-left: auto; margin-right: auto; margin-bottom: 36px; }

  /* Hero */
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .hero-tag { font-size: 12px; margin-bottom: 14px; }
  .hero h1 { font-size: 28px; line-height: 1.2; letter-spacing: -.3px; margin-bottom: 14px; }
  .hero-desc { font-size: 14px; line-height: 1.6; margin: 0 auto 20px; max-width: 360px; }
  .hero-actions { justify-content: center; flex-direction: column; align-items: stretch; gap: 10px; margin-bottom: 20px; }
  .btn-primary { justify-content: center; padding: 15px 24px; font-size: 15px; }
  .btn-outline { justify-content: center; padding: 12px 20px; font-size: 13px; }
  .hero-proof { justify-content: center; flex-wrap: wrap; gap: 12px; }
  .hero-proof-item { flex-direction: row; align-items: center; gap: 6px; background: #fff; padding: 6px 14px; border-radius: 100px; border: 1px solid rgba(0,0,0,.05); box-shadow: var(--shadow-sm); }
  .hero-proof-num { font-size: 14px; }
  .hero-proof-label { font-size: 10px; margin-top: 0; }
  .hero-phone-wrap { margin-top: 8px; }
  .hero-phone { width: 220px; }
  .hero-phone-screen { min-height: 360px; }
  .pmsg { font-size: 10px; padding: 7px 10px; }
  .pmsg-btn { font-size: 9px; padding: 5px 8px; }
  .phone-top { padding: 10px 12px 8px; }
  .phone-bot-ava { width: 26px; height: 26px; font-size: 12px; }
  .phone-bot-name { font-size: 11px; }
  .phone-bot-status { font-size: 8px; }
  .hero-float { display: none; }

  /* Problem */
  .problem-layout { grid-template-columns: 1fr; }
  .problem-left { position: static; text-align: center; }

  /* Solution */
  .sol-grid { grid-template-columns: 1fr; gap: 36px; }
  .ss-metric-num { font-size: 44px; }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .step-arrow { display: none !important; }

  /* Constructor */
  .mock-topbar-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .mock-body { grid-template-columns: 1fr; min-height: auto; }
  .mock-sidebar { display: none; }
  .mock-tabs { display: flex; }
  .mock-canvas { min-height: 320px; max-height: 360px; }
  .mock-preview { border-left: none; border-top: 1px solid rgba(0,0,0,.06); min-height: 350px; }
  .mock-body[data-tab="canvas"] .mock-preview { display: none; }
  .mock-body[data-tab="preview"] .mock-canvas { display: none; }

  /* Features */
  .feat-panel.active { grid-template-columns: 1fr; }

  /* Calculator */
  .calc-wrap { grid-template-columns: 1fr; padding: 30px 20px; }
  .calc-left h2 { font-size: 24px; }

  /* Templates & personas */
  .cases-grid, .persona-grid { grid-template-columns: 1fr; }

  /* Potential */
  .potential-grid { grid-template-columns: repeat(2, 1fr); }
  .potential-scenarios { grid-template-columns: 1fr; }
  .pot-val { font-size: 30px; }

  /* CTA */
  .cta-box { padding: 48px 20px; }
  .cta-box h2 { font-size: 28px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }

  /* Sticky CTA */
  .sticky-cta { display: block; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }

  /* Hero */
  .hero h1 { font-size: 26px; }
  .hero-phone { width: 200px; }
  .hero-phone-screen { min-height: 320px; }

  /* Sections */
  .section-h { font-size: 24px; }
  .section-sub { font-size: 14px; margin-bottom: 28px; }

  /* Trust */
  .trust-platforms { gap: 8px; }
  .trust-chip { font-size: 12px; padding: 6px 12px; }

  /* Solution */
  .ss-metric-num { font-size: 38px; }

  /* Calculator */
  .calc-result-num { font-size: 38px; }
  .calc-left h2 { font-size: 22px; }

  /* Potential */
  .potential-grid { grid-template-columns: 1fr 1fr; }
  .pot-val { font-size: 26px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-bottom-links { flex-direction: column; gap: 8px; }
}

@media (max-width: 375px) {
  .container { padding: 0 16px; }

  /* Hero */
  .hero { padding: 90px 16px 36px; }
  .hero h1 { font-size: 24px; }
  .hero-desc { font-size: 13px; max-width: 300px; }
  .hero-phone { width: 180px; }
  .hero-phone-screen { min-height: 290px; }
  .pmsg { font-size: 9px; padding: 6px 8px; }

  /* Sections */
  .section-h { font-size: 22px; }
  .section-sub { font-size: 13px; }

  /* Problem */
  .problem-card { padding: 20px; }
  .pc-title { font-size: 14px; }
  .pc-text { font-size: 12px; }

  /* Solution */
  .sol-showcase { padding: 24px; }
  .ss-metric-num { font-size: 34px; }

  /* Calculator */
  .calc-wrap { padding: 24px 16px; }
  .calc-left h2 { font-size: 20px; }
  .calc-result { padding: 24px 16px; }
  .calc-result-num { font-size: 32px; }
  .calc-bd-num { font-size: 16px; }

  /* Potential */
  .potential-grid { grid-template-columns: 1fr; }
  .pot-val { font-size: 28px; }
  .ps-card { padding: 20px; }

  /* Personas */
  .persona-card { padding: 24px 20px; }

  /* CTA */
  .cta-box { padding: 36px 16px; }
  .cta-box h2 { font-size: 24px; }
  .btn-cta-main { padding: 16px 28px; font-size: 15px; }

  /* Mock */
  .mock-topbar-actions { gap: 4px; }
  .mock-btn-test, .mock-btn-pub { padding: 4px 10px; font-size: 10px; }

  /* Footer */
  footer { padding: 28px 16px 20px; }
}