@font-face {
  font-family: "Sukhumvit Set";
  src: url("assets/fonts/thai/sukhumvit-set/SukhumvitSet-Thin.ttf") format("truetype");
  font-style: normal;
  font-weight: 200;
  font-display: swap;
}

@font-face {
  font-family: "Sukhumvit Set";
  src: url("assets/fonts/thai/sukhumvit-set/SukhumvitSet-Light.ttf") format("truetype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Sukhumvit Set";
  src: url("assets/fonts/thai/sukhumvit-set/SukhumvitSet-Text.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Sukhumvit Set";
  src: url("assets/fonts/thai/sukhumvit-set/SukhumvitSet-Medium.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Sukhumvit Set";
  src: url("assets/fonts/thai/sukhumvit-set/SukhumvitSet-SemiBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Sukhumvit Set";
  src: url("assets/fonts/thai/sukhumvit-set/SukhumvitSet-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #071015;
  --bg-soft: #0d1a20;
  --surface: rgba(14, 28, 34, 0.84);
  --surface-solid: #102029;
  --surface-strong: #162c35;
  --text: #eef9f6;
  --muted: #9db0ac;
  --line: rgba(255, 255, 255, 0.12);
  --primary: #18d294;
  --primary-strong: #0fb47d;
  --accent: #f4cf5d;
  --blue: #6bb8ff;
  --danger: #ff7777;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  --radius: 8px;
  --max: 1180px;
  font-family: "Sukhumvit Set", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f7f5;
  --bg-soft: #e8f0ec;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-solid: #ffffff;
  --surface-strong: #e9f2ee;
  --text: #12201e;
  --muted: #586864;
  --line: rgba(18, 32, 30, 0.12);
  --primary: #0f9f72;
  --primary-strong: #0a7c5a;
  --accent: #c99512;
  --blue: #2477bd;
  --shadow: 0 24px 60px rgba(32, 55, 47, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(24, 210, 148, 0.22), transparent 32rem),
    radial-gradient(circle at 84% 8%, rgba(107, 184, 255, 0.18), transparent 28rem),
    linear-gradient(145deg, var(--bg) 0%, var(--bg-soft) 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
}

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

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 26px;
  width: min(calc(100% - 32px), 1240px);
  margin: 16px auto 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 17, 21, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

:root[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.78);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-lockup img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  display: none;
}

.main-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  transition: color 180ms ease, background 180ms ease;
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 54px;
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #fff;
  background: #050505;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
  transition: transform 180ms ease, border-color 180ms ease;
}

.store-badge:hover {
  transform: translateY(-2px);
  border-color: rgba(24, 210, 148, 0.6);
}

.store-badge small {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 9px;
  line-height: 1;
}

.store-badge span:last-child {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.05;
}

.store-badge-small {
  min-height: 42px;
  padding: 7px 11px;
}

.store-badge-small span:last-child {
  font-size: 13px;
}

.store-badge-small small {
  font-size: 8px;
}

.share-cluster {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 2px;
}

.share-lead-icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.share-lead-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--text);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  overflow: visible;
}

.share-icon {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  cursor: pointer;
  transition: transform 180ms ease, filter 180ms ease;
}

.share-icon:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.share-facebook {
  background: #1877f2;
  font-family: Arial, sans-serif;
  font-size: 24px;
}

.share-x {
  background: #050505;
  font-size: 16px;
}

.share-line {
  background: #06c755;
  font-size: 9px;
  letter-spacing: 0;
}

.share-copy {
  background: #c64600;
}

.share-copy-wrap {
  position: relative;
  display: inline-grid;
  place-items: center;
  line-height: 1;
}

.link-glyph {
  position: relative;
  width: 17px;
  height: 17px;
  transform: rotate(-36deg);
}

.link-glyph::before,
.link-glyph::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 7px;
  border: 2px solid #fff;
  border-radius: 999px;
}

.link-glyph::before {
  left: 0;
  top: 1px;
}

.link-glyph::after {
  right: 0;
  bottom: 1px;
}

.play-mark {
  position: relative;
  width: 24px;
  height: 28px;
  flex: 0 0 24px;
  background: linear-gradient(140deg, #4ee69c 0 33%, #5ac9ff 34% 60%, #ffd35e 61% 78%, #ff6f6f 79%);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
}

.switch-track {
  position: relative;
  width: 52px;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, #12302d, #0b171b);
  border: 1px solid var(--line);
}

.switch-knob {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(244, 207, 93, 0.6);
  transition: transform 180ms ease, background 180ms ease;
}

:root[data-theme="light"] .switch-knob {
  transform: translateX(22px);
  background: #ffffff;
  box-shadow: 0 0 0 1px rgba(18, 32, 30, 0.16), 0 6px 14px rgba(32, 55, 47, 0.22);
}

.switch-label {
  min-width: 34px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.section-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 96px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 74px);
  padding-top: 54px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(44px, 7vw, 78px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.22;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
}

.hero-lead {
  max-width: 660px;
  margin: 24px 0 0;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-weight: 800;
  background: var(--surface);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease;
}

.ghost-link:hover {
  transform: translateY(-2px);
  border-color: rgba(24, 210, 148, 0.5);
}

.hero-actions .ghost-link {
  min-width: 152px;
  border-color: rgba(24, 210, 148, 0.36);
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(24, 210, 148, 0.16), rgba(107, 184, 255, 0.08)),
    var(--surface);
  box-shadow: 0 14px 34px rgba(24, 210, 148, 0.08);
}

.hero-actions .ghost-link-subtle {
  color: var(--text);
  border-color: rgba(107, 184, 255, 0.36);
  background:
    linear-gradient(135deg, rgba(107, 184, 255, 0.16), rgba(24, 210, 148, 0.08)),
    var(--surface);
}

.share-status {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 45;
  min-width: 156px;
  max-width: min(260px, calc(100vw - 32px));
  margin: 0;
  padding: 9px 12px;
  border: 1px solid rgba(24, 210, 148, 0.72);
  border-radius: 8px;
  color: var(--text);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(24, 210, 148, 0.24), rgba(24, 210, 148, 0.1)),
    rgba(8, 17, 21, 0.96);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(24, 210, 148, 0.1);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  visibility: hidden;
}

.share-status::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 10px;
  height: 10px;
  border-left: 1px solid rgba(24, 210, 148, 0.72);
  border-top: 1px solid rgba(24, 210, 148, 0.72);
  background: rgba(17, 69, 52, 0.96);
  transform: translateX(-50%) rotate(45deg);
}

.share-status.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  visibility: visible;
}

.share-status:empty {
  display: none;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.trust-row span,
.mini-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.phone-stack {
  position: relative;
  height: 590px;
}

.phone {
  position: relative;
  margin: 0;
  width: 268px;
  aspect-ratio: 9 / 19.4;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 34px;
  background: linear-gradient(145deg, #202a31, #05090c);
  box-shadow: 0 36px 80px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}

:root[data-theme="light"] .phone {
  background: linear-gradient(145deg, #eef4f1, #172126);
}

.phone::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.22), transparent 32%, transparent 72%, rgba(24, 210, 148, 0.16));
}

.phone-speaker {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 4;
  width: 72px;
  height: 20px;
  transform: translateX(-50%);
  border-radius: 0 0 14px 14px;
  background: #05090c;
}

.phone-screen {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 25px;
  overflow: hidden;
  background: #071015;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.phone-front {
  position: absolute;
  right: 78px;
  top: 24px;
  width: 292px;
  animation: phoneFloat 6s ease-in-out infinite;
}

.phone-back {
  position: absolute;
  left: 22px;
  top: 78px;
  width: 244px;
  opacity: 0.78;
  transform: rotate(-8deg);
}

.phone-side.left {
  width: 254px;
  transform: rotate(-6deg);
}

.phone-side.right {
  width: 270px;
  margin-left: -54px;
  margin-top: 48px;
  transform: rotate(6deg);
}

.phone-carousel .hero-shot {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px) scale(1.02);
  transition: opacity 500ms ease, transform 500ms ease;
}

.phone-carousel .hero-shot.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hero-dots {
  position: absolute;
  right: 184px;
  bottom: 0;
  display: flex;
  gap: 8px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.hero-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.34);
  cursor: pointer;
}

.hero-dot.is-active {
  width: 26px;
  border-radius: 999px;
  background: var(--primary);
}

.ai-orbit-card {
  position: absolute;
  z-index: 6;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card-code {
  top: 28px;
  left: 16px;
  display: grid;
  gap: 8px;
  width: 170px;
  padding: 16px;
}

.card-code span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), rgba(107, 184, 255, 0.6));
}

.card-code span:nth-child(2) {
  width: 72%;
}

.card-code span:nth-child(3) {
  width: 48%;
}

.card-signal {
  right: 0;
  bottom: 70px;
  width: 210px;
  padding: 15px;
}

.card-signal strong {
  display: block;
  margin-bottom: 4px;
}

.card-signal span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: 56px;
  align-items: center;
}

.section-copy p {
  max-width: 630px;
}

.mini-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.promo-device-wall {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 540px;
  padding-top: 20px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p {
  max-width: 680px;
}

.feature-board {
  display: grid;
  grid-template-columns: 390px minmax(260px, 430px) minmax(260px, 1fr);
  gap: 24px;
  align-items: stretch;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-preview {
  display: grid;
  place-items: center;
  min-height: 620px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(24, 210, 148, 0.16), transparent),
    rgba(255, 255, 255, 0.04);
}

.feature-phone {
  width: 310px;
}

.feature-phone img {
  transition: opacity 200ms ease, transform 200ms ease;
}

.feature-tabs {
  display: grid;
  gap: 10px;
  align-content: center;
}

.feature-tab {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 74px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.feature-tab span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 50%;
  color: var(--primary);
  background: rgba(24, 210, 148, 0.12);
  font-size: 12px;
  font-weight: 900;
}

.feature-tab:hover,
.feature-tab.is-active {
  transform: translateX(4px);
  border-color: rgba(244, 207, 93, 0.82);
  background: rgba(244, 207, 93, 0.16);
}

.feature-detail {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(24, 210, 148, 0.12), rgba(107, 184, 255, 0.09));
}

.feature-detail p:last-child {
  margin-bottom: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-card {
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.service-card:hover,
.service-card.is-featured {
  transform: translateY(-6px);
  border-color: rgba(244, 207, 93, 0.9);
  background: linear-gradient(145deg, rgba(244, 207, 93, 0.2), rgba(24, 210, 148, 0.12));
}

.service-card span,
.benefit-cards span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--accent);
  font-weight: 900;
}

.service-card p,
.benefit-cards p,
.tool-card p,
.premium-feature p {
  margin-bottom: 0;
  font-size: 15px;
}

.benefits-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 34px;
  align-items: center;
}

.benefit-quote {
  color: var(--text);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.45;
}

.benefit-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.benefit-cards article {
  min-height: 260px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.zone-table-card {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.zone-table-card img {
  width: 100%;
  border-radius: var(--radius);
  background: #fff;
}

.zone-table-card figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.clean-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

.clean-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.tool-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.tool-shot {
  display: grid;
  place-items: center;
  min-height: 560px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(24, 210, 148, 0.08));
  overflow: hidden;
}

.tool-shot img {
  width: 100%;
  height: 100%;
  max-height: 560px;
  object-fit: contain;
  object-position: top center;
}

.ai-panel {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(0, 1fr);
  gap: 42px;
  align-items: center;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(24, 210, 148, 0.14), rgba(107, 184, 255, 0.1)),
    var(--surface);
  box-shadow: var(--shadow);
}

.ai-section {
  display: grid;
  gap: 28px;
}

.ai-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    rgba(0, 0, 0, 0.12);
  background-size: 34px 34px;
}

.ai-core {
  position: relative;
  display: grid;
  place-items: center;
  width: 142px;
  height: 142px;
  border: 1px solid rgba(24, 210, 148, 0.6);
  border-radius: 50%;
  background: rgba(24, 210, 148, 0.1);
  box-shadow: 0 0 80px rgba(24, 210, 148, 0.22);
}

.ai-core span {
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  animation: spin 12s linear infinite;
}

.ai-core strong {
  font-size: 40px;
}

.human-node,
.system-node {
  position: absolute;
  width: 132px;
  min-height: 72px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  text-align: center;
  font-weight: 900;
  line-height: 1.25;
  background: var(--surface);
}

.human-node {
  left: 30px;
  top: 50px;
}

.system-node {
  right: 30px;
  bottom: 52px;
}

.code-strip {
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 24px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.code-strip span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.18);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
}

.ai-infographic-full {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(24, 210, 148, 0.1), rgba(107, 184, 255, 0.08)),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.infographic-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: calc(var(--radius) - 8px);
  background: transparent;
  cursor: zoom-in;
  overflow: hidden;
}

.infographic-open:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.infographic-open picture {
  display: block;
}

.ai-infographic-full img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 8px);
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(0, 7, 10, 0.88);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.image-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.image-lightbox img {
  width: min(100%, 1200px);
  max-height: calc(100vh - 72px);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
}

.image-lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: #fff;
  background: rgba(0, 0, 0, 0.42);
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

body.lightbox-open {
  overflow: hidden;
}

.premium-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 36px;
  align-items: start;
}

.price-card {
  display: grid;
  gap: 4px;
  max-width: 260px;
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(24, 210, 148, 0.5);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(24, 210, 148, 0.18), rgba(244, 207, 93, 0.08));
}

.price-card span {
  color: var(--muted);
  font-weight: 800;
}

.price-card strong {
  font-size: 42px;
  line-height: 1;
}

.price-card small {
  color: var(--muted);
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.premium-feature,
.premium-shot {
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.premium-shot {
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  min-height: 360px;
  overflow: hidden;
}

.premium-shot img {
  max-height: 520px;
  object-fit: contain;
}

.responsibility-card {
  display: grid;
  justify-items: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.responsibility-card p {
  max-width: 760px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes phoneFloat {
  0%,
  100% {
    transform: translateY(0) rotate(4deg);
  }
  50% {
    transform: translateY(-18px) rotate(2deg);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* V3 visual polish */
body {
  font-weight: 400;
}

.section-shell {
  position: relative;
}

.section-shell::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: min(520px, 72vw);
  height: 1px;
  transform: translateX(-50%) scaleX(0.24);
  background: linear-gradient(90deg, transparent, rgba(24, 210, 148, 0.26), transparent);
  opacity: 0;
  transition: opacity 800ms ease, transform 800ms cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}

.section-shell.section-active::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 0.7;
}

.hero::after,
.responsibility-section::after {
  display: none;
}

h1 {
  font-size: clamp(40px, 5.8vw, 70px);
  font-weight: 700;
  line-height: 1.14;
}

h2 {
  font-weight: 700;
  line-height: 1.15;
}

h3,
.brand-lockup,
.main-nav a,
.store-badge span:last-child,
.ghost-link {
  font-weight: 600;
}

.eyebrow {
  font-weight: 700;
}

.hero-lead,
p {
  font-weight: 400;
}

.hero-visual {
  perspective: 1400px;
  transform-style: preserve-3d;
  min-height: 650px;
}

.depth-grid {
  position: absolute;
  inset: 28px 0 18px;
  border-radius: 32px;
  background:
    linear-gradient(rgba(24, 210, 148, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107, 184, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 62% 42%, rgba(24, 210, 148, 0.22), transparent 18rem);
  background-size: 34px 34px, 34px 34px, auto;
  transform: rotateX(62deg) rotateZ(-10deg) translateY(150px);
  transform-origin: center;
  opacity: 0.55;
  filter: blur(0.2px);
  pointer-events: none;
}

.depth-scene {
  transform-style: preserve-3d;
  perspective: 1300px;
}

.phone {
  border-color: rgba(255, 255, 255, 0.22);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.16), transparent 24%),
    linear-gradient(145deg, #26333c, #05090c 66%);
  box-shadow:
    0 42px 90px rgba(0, 0, 0, 0.48),
    0 12px 26px rgba(24, 210, 148, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  transform-style: preserve-3d;
}

.phone::after {
  content: "";
  position: absolute;
  inset: 13px;
  z-index: 3;
  border-radius: 25px;
  pointer-events: none;
  background: linear-gradient(118deg, rgba(255, 255, 255, 0.22), transparent 22%, transparent 64%, rgba(24, 210, 148, 0.08));
  mix-blend-mode: screen;
}

.phone-screen {
  transform: translateZ(14px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.phone-front {
  right: 42px;
  top: 12px;
  width: 326px;
  transform: rotateY(-18deg) rotateX(5deg) rotateZ(2deg) translateZ(70px);
  animation: phoneFloat3d 6.6s ease-in-out infinite;
}

.phone-back {
  left: 6px;
  top: 106px;
  width: 268px;
  opacity: 0.92;
  transform: rotateY(-30deg) rotateX(7deg) rotateZ(-9deg) translateZ(-80px);
  filter: saturate(0.92) brightness(0.86);
}

.phone-side.left {
  transform: rotateY(18deg) rotateX(4deg) rotateZ(-6deg) translateZ(20px);
}

.phone-side.right {
  transform: rotateY(-18deg) rotateX(5deg) rotateZ(6deg) translateZ(90px);
}

.hero-dots {
  right: 190px;
  bottom: 10px;
}

.video-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.72fr);
  gap: 56px;
  align-items: center;
}

.video-copy p {
  max-width: 640px;
}

.video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 28px;
}

.youtube-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 54px;
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  color: #fff;
  background: #050505;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
  transition: transform 180ms ease, border-color 180ms ease;
}

.youtube-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 0, 0, 0.7);
}

.youtube-link small {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 9px;
  line-height: 1;
}

.youtube-link span:last-child {
  font-size: 18px;
  line-height: 1.05;
}

.youtube-mark {
  position: relative;
  width: 31px;
  height: 22px;
  flex: 0 0 31px;
  border-radius: 6px;
  background: #ff0000;
}

.youtube-mark::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 6px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid #fff;
}

.video-stage {
  display: grid;
  place-items: center;
  perspective: 1200px;
}

.video-phone-frame {
  position: relative;
  width: min(340px, 82vw);
  aspect-ratio: 9 / 16;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 34px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.18), transparent 24%),
    linear-gradient(145deg, #273741, #060a0d);
  box-shadow:
    0 44px 90px rgba(0, 0, 0, 0.42),
    0 0 0 10px rgba(24, 210, 148, 0.04);
  transform: rotateY(12deg) rotateX(4deg);
  transition: transform 360ms ease, box-shadow 360ms ease;
}

.video-phone-frame.is-playing {
  transform: rotateY(7deg) rotateX(2deg) translateY(-6px);
  box-shadow:
    0 52px 100px rgba(0, 0, 0, 0.46),
    0 0 0 10px rgba(24, 210, 148, 0.08),
    0 0 48px rgba(24, 210, 148, 0.16);
}

.video-phone-frame::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 2;
  width: 78px;
  height: 20px;
  transform: translateX(-50%);
  border-radius: 0 0 14px 14px;
  background: #05090c;
}

.video-phone-frame video {
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background: #000;
  object-fit: cover;
}

.benefit-cards article,
.service-card,
.tool-card,
.premium-feature-list article {
  position: relative;
  overflow: hidden;
}

.benefit-cards article::before,
.service-card::before,
.premium-feature-list article::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(24, 210, 148, 0.16), transparent 42%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.benefit-cards article:hover::before,
.service-card:hover::before,
.premium-feature-list article:hover::before {
  opacity: 1;
}

.benefit-cards article:hover,
.tool-card:hover {
  transform: translateY(-6px);
  border-color: rgba(24, 210, 148, 0.4);
}

.benefit-cards article,
.tool-card {
  transition: transform 220ms ease, border-color 220ms ease;
}

.zone-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 30px;
}

.zone-actions > span {
  color: var(--text);
  font-weight: 600;
}

.premium-v3 {
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  align-items: stretch;
}

.premium-hero-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 30px;
  border: 1px solid rgba(24, 210, 148, 0.24);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 18% 18%, rgba(24, 210, 148, 0.18), transparent 24rem),
    var(--surface);
  box-shadow: var(--shadow);
}

.premium-hero-card p {
  max-width: 640px;
}

.premium-price-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  width: 100%;
  margin: 28px 0;
  align-items: stretch;
}

.premium-price-row .price-card,
.premium-price-row .payment-card {
  min-height: 180px;
}

.premium-price-row .price-card {
  max-width: none;
  margin-top: 0;
}

.payment-card {
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 22px;
  border: 1px solid rgba(244, 207, 93, 0.4);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(244, 207, 93, 0.16), rgba(107, 184, 255, 0.08));
}

.promptpay-logo {
  width: min(170px, 100%);
  margin-bottom: 8px;
  border-radius: 4px;
  background: #fff;
}

.payment-card span,
.payment-card small {
  color: var(--muted);
}

.payment-card strong {
  font-size: 24px;
  line-height: 1.1;
}

.premium-showcase {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(240px, 1fr);
  gap: 16px;
  align-items: stretch;
}

.premium-phone-card {
  display: grid;
  place-items: center;
  margin: 0;
  min-height: 560px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(24, 210, 148, 0.1), rgba(255, 255, 255, 0.04)),
    var(--surface);
  box-shadow: var(--shadow);
}

.premium-phone-card img {
  max-height: 540px;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.28));
}

.premium-feature-list {
  display: grid;
  gap: 14px;
}

.premium-feature-list article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.premium-feature-list span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-weight: 700;
}

.reveal {
  filter: blur(8px);
  transform: translateY(32px) scale(0.985);
  transition:
    opacity 820ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 820ms cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 820ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.is-visible {
  filter: blur(0);
  transform: translateY(0) scale(1);
}

.service-grid.reveal.is-visible .service-card,
.benefit-cards.reveal.is-visible article,
.premium-feature-list.reveal.is-visible article {
  animation: staggerLift 700ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.service-grid.reveal.is-visible .service-card:nth-child(2),
.benefit-cards.reveal.is-visible article:nth-child(2),
.premium-feature-list.reveal.is-visible article:nth-child(2) {
  animation-delay: 90ms;
}

.service-grid.reveal.is-visible .service-card:nth-child(3),
.benefit-cards.reveal.is-visible article:nth-child(3),
.premium-feature-list.reveal.is-visible article:nth-child(3) {
  animation-delay: 180ms;
}

.service-grid.reveal.is-visible .service-card:nth-child(4) {
  animation-delay: 270ms;
}

@keyframes phoneFloat3d {
  0%,
  100% {
    transform: rotateY(-18deg) rotateX(5deg) rotateZ(2deg) translateY(0) translateZ(70px);
  }
  50% {
    transform: rotateY(-14deg) rotateX(4deg) rotateZ(1deg) translateY(-18px) translateZ(88px);
  }
}

@keyframes staggerLift {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .site-header {
    align-items: flex-start;
    border-radius: 24px;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .main-nav a {
    padding: 8px 9px;
    font-size: 13px;
  }

  .hero,
  .split-section,
  .benefits-section,
  .ai-panel,
  .premium-section,
  .video-section,
  .premium-v3 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-visual {
    min-height: 600px;
  }

  .feature-board {
    grid-template-columns: 1fr;
  }

  .feature-preview {
    min-height: 520px;
  }

  .service-grid,
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .premium-showcase {
    grid-template-columns: minmax(220px, 0.72fr) minmax(300px, 1fr);
  }

  .video-stage {
    justify-content: center;
  }
}

@media (max-width: 760px) {
  .site-header {
    width: min(calc(100% - 20px), 1240px);
    margin-top: 10px;
    padding: 10px;
  }

  .main-nav {
    gap: 2px;
  }

  .main-nav a {
    padding: 7px 6px;
    font-size: 12px;
  }

  .header-actions {
    width: auto;
    margin-left: auto;
    justify-content: flex-end;
  }

  .store-badge-small {
    display: none;
  }

  .share-cluster {
    gap: 6px;
  }

  .share-lead-icon {
    width: 31px;
    height: 31px;
    flex-basis: 31px;
  }

  .share-lead-icon svg {
    width: 20px;
    height: 20px;
  }

  .share-icon {
    width: 31px;
    height: 31px;
  }

  .share-facebook {
    font-size: 21px;
  }

  .share-x {
    font-size: 14px;
  }

  .share-line {
    font-size: 8px;
  }

  .section-shell {
    width: min(calc(100% - 22px), var(--max));
    padding: 68px 0;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  p {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .store-badge,
  .ghost-link {
    justify-content: center;
    width: 100%;
  }

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

  .phone-stack {
    height: 500px;
  }

  .phone-front {
    right: 12px;
    width: 244px;
    animation: phoneFloat3dMobile 6.4s ease-in-out infinite;
  }

  .phone-back {
    left: 0;
    width: 210px;
  }

  .card-code {
    display: none;
  }

  .card-signal {
    right: 8px;
    bottom: 54px;
    width: 180px;
  }

  .hero-dots {
    right: 128px;
  }

  .promo-device-wall {
    min-height: 470px;
  }

  .phone-side.left {
    width: 210px;
  }

  .phone-side.right {
    width: 222px;
  }

  .service-grid,
  .benefit-cards,
  .tool-grid,
  .premium-grid,
  .premium-price-row,
  .premium-showcase {
    grid-template-columns: 1fr;
  }

  .feature-board,
  .ai-panel,
  .responsibility-card {
    padding: 18px;
  }

  .feature-preview {
    min-height: 470px;
  }

  .feature-phone {
    width: 222px;
  }

  .tool-shot {
    min-height: 460px;
  }

  .premium-shot {
    min-height: 300px;
  }

  .video-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .youtube-link {
    width: 100%;
  }

  .video-phone-frame {
    width: min(320px, 88vw);
    transform: rotateY(0) rotateX(0);
  }

  .premium-hero-card,
  .premium-phone-card {
    padding: 18px;
  }

  .premium-phone-card {
    min-height: 420px;
  }

  .ai-infographic-full {
    padding: 8px;
  }

  .image-lightbox {
    padding: 14px;
  }

  .image-lightbox img {
    max-height: calc(100vh - 56px);
  }

  .image-lightbox-close {
    top: 10px;
    right: 10px;
  }

  .human-node,
  .system-node {
    width: 116px;
    font-size: 13px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@keyframes phoneFloat3dMobile {
  0%,
  100% {
    transform: rotateY(-10deg) rotateX(3deg) rotateZ(1deg) translateY(0) translateZ(36px);
  }
  50% {
    transform: rotateY(-7deg) rotateX(2deg) rotateZ(0deg) translateY(-12px) translateZ(50px);
  }
}

@media (max-width: 760px) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal.is-visible {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }

  .service-grid.reveal.is-visible .service-card,
  .benefit-cards.reveal.is-visible article,
  .premium-feature-list.reveal.is-visible article {
    animation: none;
  }

  .section-shell::after,
  .section-shell.section-active::after {
    opacity: 0.45;
    transform: translateX(-50%) scaleX(1);
    transition: none;
  }

  .phone-front {
    animation: none;
    transform: rotateY(-10deg) rotateX(3deg) rotateZ(1deg) translateZ(36px);
  }

  .video-phone-frame,
  .video-phone-frame.is-playing {
    transition: none;
    transform: rotateY(0) rotateX(0);
  }

  .youtube-link,
  .store-badge,
  .ghost-link,
  .service-card,
  .tool-card,
  .feature-tab,
  .share-icon {
    transition: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}