:root {
  --green-50: #e9f8f2;
  --green-100: #bdebd9;
  --green-200: #72d1ad;
  --green-400: #1d9e75;
  --green-600: #0f6e56;
  --green-800: #085041;
  --green-900: #04342c;
  --amber-100: #fff3d5;
  --amber-400: #ef9f27;
  --blue-100: #e9f3ff;
  --blue-400: #378add;
  --gray-50: #f7f9f8;
  --gray-100: #f0f4f2;
  --gray-200: #dfe8e4;
  --gray-400: #93a29d;
  --gray-600: #596a65;
  --gray-800: #263432;
  --white: #fff;
  --shadow: 0 18px 52px rgba(8, 80, 65, .1);
  font-family: Inter, "Noto Sans Thai", "Sarabun", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  max-width: 100%;
}
body[data-lang="th"] { font-family: "Noto Sans Thai", "Sarabun", Inter, sans-serif; }
body[data-lang="zh"] { font-family: "Noto Sans SC", "Microsoft YaHei", Inter, sans-serif; }
body[data-lang="zh"] h1,
body[data-lang="zh"] h2 {
  word-break: break-all;
}
body, button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(29, 158, 117, .12);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 22px rgba(8, 80, 65, .04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green-600);
  font-weight: 900;
  letter-spacing: .01em;
  white-space: nowrap;
}
.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: 12px;
}
nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 800;
}
nav a {
  padding: 8px 13px;
  border-radius: 999px;
  transition: background .18s ease, color .18s ease;
}
nav a:hover {
  color: var(--green-600);
  background: var(--green-50);
}
.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  background: var(--gray-100);
}
.language-switch select {
  width: auto;
  min-width: 62px;
  border: 0;
  padding: 4px 20px 4px 4px;
  color: var(--green-800);
  background: transparent;
  font-weight: 900;
  cursor: pointer;
}
.nav-cta, .btn-primary, .btn-ghost, .lead-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--green-400);
  border-radius: 999px;
  background: var(--green-400);
  color: var(--white);
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-cta { min-height: 40px; padding: 0 18px; font-size: 13px; }
.btn-primary:hover, .btn-ghost:hover, .lead-form button:hover, .nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 110, 86, .22);
}
.btn-ghost {
  color: var(--green-600);
  background: transparent;
  border-color: var(--green-200);
}

.hero {
  position: relative;
  min-height: calc(100vh - 66px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(62px, 8vw, 104px) clamp(18px, 5vw, 72px) clamp(54px, 7vw, 86px);
  background: var(--white);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(78px);
  opacity: .16;
}
.blob-a {
  width: 560px;
  height: 560px;
  top: -180px;
  right: -120px;
  background: var(--green-200);
}
.blob-b {
  width: 390px;
  height: 390px;
  left: 6%;
  bottom: -110px;
  background: var(--amber-400);
  opacity: .09;
}
.dot-grid {
  position: absolute;
  inset: 0;
  opacity: .48;
  background-image: radial-gradient(circle, rgba(29,158,117,.12) 1px, transparent 1px);
  background-size: 32px 32px;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, .9fr);
  gap: clamp(34px, 7vw, 76px);
  align-items: center;
  margin: 0 auto;
}
.hero-copy,
.section-copy,
.section-header {
  min-width: 0;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 7px 14px;
  border: 1px solid var(--green-100);
  border-radius: 999px;
  color: var(--green-600);
  background: var(--green-50);
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.hero-tag span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-400);
  animation: blink 2.2s ease infinite;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 680px;
  margin-bottom: 18px;
  color: var(--gray-800);
  font-size: clamp(36px, 5.7vw, 62px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}
h3 { margin-bottom: 8px; font-size: 20px; line-height: 1.25; }
.hero-lead, .section-copy p, .section-header p, .story-panel p, .contact p {
  color: var(--gray-600);
  font-size: 16px;
  line-height: 1.78;
}
.hero-lead { max-width: 540px; margin-bottom: 30px; }
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.trust-row span {
  padding: 8px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  color: var(--green-600);
  background: rgba(255,255,255,.78);
  font-size: 12px;
  font-weight: 900;
}

.hero-visual {
  display: flex;
  justify-content: center;
  min-height: 520px;
}
.phone-wrap {
  position: relative;
  width: min(340px, 100%);
  animation: phone-float 5.5s ease-in-out infinite;
}
.phone-frame {
  position: relative;
  z-index: 2;
  width: 274px;
  margin: 0 auto;
  padding: 16px 14px 18px;
  border-radius: 38px;
  background: var(--green-900);
  box-shadow: 0 34px 92px rgba(8,80,65,.32), inset 0 0 0 1px rgba(255,255,255,.08);
}
.phone-notch {
  width: 60px;
  height: 6px;
  margin: 0 auto 13px;
  border-radius: 99px;
  background: rgba(255,255,255,.16);
}
.phone-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  color: var(--green-100);
  font-size: 13px;
}
.phone-top span {
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--green-200);
  background: rgba(93,202,165,.14);
  font-size: 10px;
  font-weight: 900;
}
.phone-map {
  position: relative;
  height: 154px;
  margin-bottom: 12px;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
    var(--green-800);
}
.road {
  position: absolute;
  border-radius: 999px;
  background: rgba(93,202,165,.34);
}
.road-h { height: 4px; width: 120%; left: -10%; }
.road-v { width: 4px; height: 120%; top: -10%; }
.road-1 { top: 34%; transform: rotate(5deg); }
.road-2 { top: 66%; transform: rotate(-7deg); }
.road-3 { left: 30%; }
.road-4 { left: 64%; }
.map-pin {
  position: absolute;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 3px solid var(--white);
  border-radius: 50% 50% 50% 6px;
  transform: rotate(-45deg);
  color: var(--white);
  background: var(--green-400);
  font-size: 10px;
  font-weight: 900;
  animation: pulse-pin 2.6s ease infinite;
}
.map-pin::first-letter { transform: rotate(45deg); }
.pin-a { top: 26%; left: 19%; }
.pin-b { top: 54%; left: 55%; animation-delay: .7s; }
.pin-c { top: 18%; left: 73%; background: var(--amber-400); animation-delay: 1.2s; }
.user-dot {
  position: absolute;
  top: 47%;
  left: 39%;
  width: 20px;
  height: 20px;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--blue-400);
  box-shadow: 0 0 0 8px rgba(55,138,221,.22);
}
.station-mini-list { display: grid; gap: 8px; }
.station-mini-list article {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 9px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
}
.mini-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: var(--green-100);
  background: rgba(93,202,165,.18);
}
.station-mini-list b {
  display: block;
  color: var(--green-100);
  font-size: 11px;
}
.station-mini-list small {
  color: var(--green-400);
  font-size: 10px;
}
.station-mini-list em {
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--green-100);
  background: rgba(93,202,165,.18);
  font-size: 9px;
  font-style: normal;
  font-weight: 900;
}
.phone-tabs {
  display: flex;
  justify-content: space-around;
  gap: 8px;
  padding-top: 14px;
}
.phone-tabs span {
  width: 28px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,.11);
}
.phone-tabs .active { background: var(--green-400); }
.floating-badge {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(8,80,65,.16);
  color: var(--gray-800);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}
.floating-badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-400);
}
.badge-top { top: 44px; right: -16px; }
.badge-bottom { left: -18px; bottom: 88px; }

.stats-band {
  padding: 48px clamp(18px, 5vw, 72px);
  background: var(--green-900);
}
.stats-inner {
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 0 auto;
  border-radius: 18px;
  background: rgba(93,202,165,.24);
}
.stats-inner article {
  min-height: 170px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 28px 24px;
  background: var(--green-900);
}
.stats-inner b {
  color: var(--green-200);
  font-size: 28px;
  line-height: 1;
}
.stats-inner span {
  color: rgba(189,235,217,.82);
  font-size: 14px;
  line-height: 1.55;
}

.section {
  padding: 86px clamp(18px, 5vw, 72px);
}
.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}
.two-col, .line-layout, .community-layout, .contact-layout {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(28px, 6vw, 68px);
  align-items: center;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--green-400);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.section-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--green-200);
}
.section-header {
  max-width: 700px;
  margin: 0 auto 46px;
  text-align: center;
}
.section-header .section-eyebrow { justify-content: center; }
.section-header .section-eyebrow::after {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--green-200);
}

.vision-section { background: var(--white); }
.vision-cards {
  display: grid;
  gap: 14px;
}
.vision-cards article, .feature-card, .community-feed article, .lead-form {
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 8px 30px rgba(8,80,65,.06);
}
.vision-cards article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 22px;
}
.vision-cards span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  color: var(--green-600);
  background: var(--green-50);
  font-weight: 900;
}
.vision-cards b { font-size: 20px; }
.vision-cards p { grid-column: 2; margin: -4px 0 0; color: var(--gray-600); }

.line-section {
  padding: 78px clamp(18px, 5vw, 72px);
  background: linear-gradient(135deg, var(--green-50), #fff8df);
}
.qr-panel {
  justify-self: center;
  width: min(330px, 100%);
  display: grid;
  justify-items: center;
  gap: 9px;
  padding: 28px;
  border: 1px solid rgba(29,158,117,.18);
  border-radius: 28px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}
.qr-panel img {
  width: 208px;
  height: 208px;
  object-fit: contain;
  border-radius: 18px;
}
.qr-panel b { font-size: 22px; }
.qr-panel span { color: var(--gray-600); font-weight: 800; }

.ai-section {
  background: var(--white);
}
.ai-flow {
  display: grid;
  grid-template-columns: 1fr 30px 1fr 30px 1fr 30px 1fr;
  gap: 8px;
  align-items: center;
}
.ai-flow span {
  min-height: 92px;
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid var(--gray-200);
  border-radius: 18px;
  background: var(--gray-50);
  color: var(--green-800);
  font-weight: 900;
  text-align: center;
}
.ai-flow i {
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green-200), var(--amber-400));
  animation: pulse-line 1.8s ease infinite;
}

.feature-section, .community-section {
  background: var(--gray-50);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.feature-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.feature-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-200), var(--green-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .24s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--green-100);
  box-shadow: 0 20px 48px rgba(8,80,65,.1);
}
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 16px;
  color: var(--green-600);
  background: var(--green-50);
  font-size: 25px;
  font-weight: 900;
}
.feature-card small {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--green-600);
  background: var(--green-50);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
}
.feature-card p { color: var(--gray-600); font-size: 14px; line-height: 1.7; }

.community-layout { align-items: start; }
.community-feed {
  display: grid;
  gap: 13px;
}
.community-feed article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 18px;
}
.avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--green-900);
  font-weight: 900;
}
.avatar.a { background: var(--green-100); }
.avatar.b { background: var(--blue-100); }
.avatar.c { background: var(--amber-100); }
.community-feed b { font-size: 18px; }
.community-feed p { margin: 4px 0 0; color: var(--gray-600); font-size: 14px; }

.partner-section { background: var(--white); }
.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}
.partner-list span {
  padding: 11px 14px;
  border-radius: 999px;
  color: var(--green-600);
  background: var(--green-50);
  font-weight: 900;
}

.story-section {
  padding-top: 0;
  background: var(--white);
}
.story-panel {
  padding: clamp(30px, 5vw, 52px);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(233,248,242,.92), rgba(255,248,223,.82)),
    radial-gradient(circle at 92% 10%, rgba(29,158,117,.12), transparent 28%);
  box-shadow: var(--shadow);
}
.story-panel p { max-width: 760px; }
.story-panel b {
  display: block;
  margin-top: 22px;
  color: var(--green-600);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.06;
}
.story-panel span {
  display: block;
  max-width: 650px;
  margin-top: 10px;
  color: var(--gray-600);
}

.contact-section {
  background: var(--gray-50);
}
.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
}
label {
  display: grid;
  gap: 7px;
  color: var(--gray-600);
  font-weight: 900;
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--gray-800);
  background: var(--white);
}
textarea { resize: vertical; }
.span-2 { grid-column: 1 / -1; }
.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 700;
}
.consent input { width: auto; margin-top: 5px; }
.form-message {
  min-height: 24px;
  color: var(--green-600);
  font-weight: 900;
}
.form-message.error { color: #d9534f; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 32px clamp(18px, 5vw, 72px);
  color: rgba(189,235,217,.78);
  background: var(--green-900);
}
.footer div {
  display: grid;
  gap: 3px;
}
.footer b { color: var(--green-100); }
.footer a {
  color: var(--green-100);
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: reveal .7s ease forwards;
}
.delay-1 { animation-delay: .08s; }
.delay-2 { animation-delay: .16s; }
.delay-3 { animation-delay: .24s; }

@media (max-width: 980px) {
  .site-header {
    height: auto;
    min-height: 66px;
    flex-wrap: wrap;
    padding-block: 10px;
  }
  nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }
  nav::-webkit-scrollbar { display: none; }
  nav a { flex: 0 0 auto; }
  .hero-inner, .two-col, .line-layout, .community-layout, .contact-layout {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; padding-top: 54px; }
  .hero-visual { min-height: 470px; }
  .stats-inner, .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-flow { grid-template-columns: 1fr; }
  .ai-flow i { width: 2px; height: 24px; justify-self: center; }
}

@media (max-width: 640px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 74px;
    gap: 8px;
    padding-inline: 14px;
    width: 100vw;
    max-width: 100vw;
    overflow: hidden;
  }
  .brand span { font-size: 15px; }
  .brand img { width: 34px; height: 34px; }
  nav {
    display: none;
  }
  .language-switch {
    padding-inline: 6px;
    max-width: 74px;
  }
  .language-switch span { display: none; }
  .language-switch select {
    min-width: 52px;
    padding-right: 14px;
  }
  .nav-cta { display: none; }
  .header-actions {
    justify-self: end;
    margin-left: 0;
    width: 74px;
  }
  .hero {
    padding: 34px 18px 52px;
  }
  h1 {
    width: 100%;
    max-width: min(330px, calc(100vw - 36px));
    font-size: clamp(29px, 8.1vw, 34px);
    line-height: 1.16;
    word-break: break-all;
  }
  .hero-copy,
  .hero-lead,
  .hero-buttons,
  .trust-row {
    max-width: min(330px, calc(100vw - 36px));
  }
  body[data-lang="zh"] h1 {
    font-size: clamp(29px, 8.2vw, 34px);
  }
  h2 { font-size: clamp(26px, 8vw, 34px); }
  .hero-lead {
    font-size: 15px;
  }
  .hero-buttons {
    display: grid;
    grid-template-columns: 1fr;
  }
  .phone-wrap {
    width: min(318px, 100%);
    transform: scale(.92);
    transform-origin: center top;
  }
  .phone-frame {
    width: min(274px, 100%);
  }
  .floating-badge { font-size: 11px; }
  .badge-top { right: 0; }
  .badge-bottom { left: 0; }
  .stats-inner, .feature-grid, .lead-form { grid-template-columns: 1fr; }
  .stats-inner article { min-height: 138px; }
  .vision-cards article { grid-template-columns: 1fr; }
  .vision-cards p { grid-column: auto; }
  .span-2 { grid-column: auto; }
  .footer { flex-direction: column; }
}

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .32; }
}
@keyframes phone-float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-12px) rotate(-2deg); }
}
@keyframes pulse-pin {
  0%, 100% { box-shadow: 0 0 0 0 rgba(29,158,117,.48); }
  50% { box-shadow: 0 0 0 11px rgba(29,158,117,0); }
}
@keyframes pulse-line {
  0%, 100% { opacity: .42; transform: scaleX(.78); }
  50% { opacity: 1; transform: scaleX(1); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}