@import url('https://fonts.googleapis.com/css2?family=Anuphan:wght@400;500;600;700&family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=Noto+Serif+Thai:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #0f2744;
  --ink-mid: #2a4058;
  --muted: #5a6d82;
  --bg: #eef1f5;
  --bg-soft: #e2e8f0;
  --white: #ffffff;
  --line: rgba(15, 39, 68, 0.1);
  --amber: #c4782a;
  --amber-deep: #9a5c1c;
  --amber-soft: #f3e4d0;
  --mist: rgba(15, 39, 68, 0.55);
  --font: 'IBM Plex Sans Thai', sans-serif;
  --heading: 'Noto Serif Thai', Georgia, serif;
  --mono: 'IBM Plex Mono', 'Anuphan', monospace;
  --max: 1100px;
  --demo-h: 48px;
  --header-h: 70px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --z-header: 50;
  --z-demo: 60;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(196, 120, 42, 0.04), transparent 28%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(15, 39, 68, 0.06), transparent 50%),
    var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
ul, ol { list-style: none; }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* —— Demo bar —— */
.demo-bar {
  position: sticky; top: 0; z-index: var(--z-demo);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 0.55rem 1.25rem; background: var(--ink); color: #fff; font-size: 0.82rem;
}
.demo-bar strong {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em;
  color: #e8b87a; font-weight: 500;
}
.demo-bar__actions { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.demo-bar a {
  padding: 0.35rem 0.7rem; border: 1px solid rgba(255,255,255,0.25);
  border-radius: 2px; font-size: 0.78rem; font-weight: 500;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.demo-bar a:hover { background: rgba(255,255,255,0.08); }
.demo-bar a.is-primary { background: var(--amber); border-color: var(--amber); color: #fff; }

/* —— Header —— */
.site-header {
  position: sticky; top: var(--demo-h); z-index: var(--z-header);
  background: rgba(238, 241, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: 1rem;
}
.brand {
  font-family: var(--heading); font-weight: 700; font-size: 1.35rem;
  letter-spacing: -0.02em; display: inline-flex; align-items: baseline; gap: 0.4rem;
}
.brand small {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber);
}
.menu-toggle {
  display: none; background: none; border: 1px solid var(--line);
  padding: 0.4rem 0.75rem; cursor: pointer; font-size: 0.85rem; font-weight: 500;
}
.nav { display: flex; align-items: center; gap: 1.35rem; }
.nav a { font-size: 0.92rem; font-weight: 500; color: var(--ink-mid); }
.nav a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ink); color: #fff !important;
  padding: 0.5rem 1rem; border-radius: 2px;
  transition: background 0.2s var(--ease);
}
.nav-cta:hover { background: var(--amber-deep); }

/* —— Buttons —— */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.35rem; font-weight: 600; font-size: 0.95rem;
  border-radius: 2px; border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--amber { background: var(--amber); color: #fff; border-color: var(--amber); }
.btn--amber:hover { background: var(--amber-deep); border-color: var(--amber-deep); }
.btn--ghost {
  background: transparent; color: #fff; border-color: rgba(255,255,255,0.45);
}
.btn--ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn--ghost-dark {
  background: transparent; color: var(--ink); border-color: rgba(15, 39, 68, 0.25);
}
.btn--ghost-dark:hover { border-color: var(--ink); background: rgba(15, 39, 68, 0.04); }
.btn--outline {
  background: transparent; color: var(--ink); border-color: rgba(15, 39, 68, 0.22);
  width: 100%;
}
.btn--outline:hover { border-color: var(--ink); background: rgba(15, 39, 68, 0.03); }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.text-link {
  font-weight: 600; color: var(--amber-deep);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}
.text-link:hover { border-bottom-color: var(--amber-deep); }

/* —— Hero —— */
.hero {
  position: relative; min-height: min(92vh, 820px);
  display: flex; align-items: flex-end;
  color: #fff; overflow: hidden;
}
.hero__media {
  position: absolute; inset: 0; z-index: 0;
}
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04);
  animation: hero- ken 18s var(--ease) both;
}
.hero__media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(15, 39, 68, 0.88) 0%, rgba(15, 39, 68, 0.72) 48%, rgba(15, 39, 68, 0.35) 100%),
    linear-gradient(to top, rgba(15, 39, 68, 0.55), transparent 40%);
}
.hero__inner {
  position: relative; z-index: 1;
  padding: 5.5rem 0 3.5rem;
  max-width: 42rem;
  margin-left: max(calc((100% - var(--max)) / 2), 1.25rem);
  margin-right: auto;
  width: min(100% - 2.5rem, 42rem);
  animation: hero-rise 0.9s var(--ease) both;
}
.hero__brand {
  font-family: var(--heading); font-size: 1.15rem; font-weight: 600;
  margin-bottom: 1.1rem; display: flex; align-items: baseline; gap: 0.45rem;
}
.hero__brand span {
  font-family: var(--mono); font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: #e8b87a;
}
.hero h1 {
  font-family: var(--heading); font-weight: 700;
  font-size: clamp(1.65rem, 3.6vw, 2.45rem);
  line-height: 1.35; letter-spacing: -0.02em; margin-bottom: 1rem;
}
.hero h1 em {
  display: block; margin-top: 0.55rem;
  font-style: normal; color: #f0d4a8; font-weight: 600;
  font-size: 0.88em;
}
.hero__lead {
  font-size: 1.05rem; color: rgba(255,255,255,0.82);
  max-width: 34rem; margin-bottom: 1.5rem;
}
.hero__proof {
  margin-top: 1.75rem; font-size: 0.92rem; color: rgba(255,255,255,0.75);
}
.hero__proof strong { color: #fff; font-weight: 600; }

@keyframes hero-ken {
  from { transform: scale(1.04); }
  to { transform: scale(1); }
}
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* —— Trust bar —— */
.trust-bar {
  background: var(--white); border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
}
.trust-bar__inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem;
}
.trust-bar__label {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); font-weight: 500;
}
.trust-bar__row {
  display: flex; flex-wrap: wrap; gap: 0.65rem 1.35rem;
  font-size: 0.88rem; font-weight: 500; color: var(--ink-mid);
}

/* —— Sections —— */
.section { padding: 4.5rem 0; }
.section--soft { background: var(--bg-soft); }
.section--ink {
  background: var(--ink); color: #fff;
  background-image:
    radial-gradient(ellipse 50% 60% at 0% 100%, rgba(196, 120, 42, 0.18), transparent 55%);
}
.section__head { margin-bottom: 2.25rem; max-width: 36rem; }
.section__head h2 {
  font-family: var(--heading); font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.35; margin-bottom: 0.55rem;
}
.section__head p { color: var(--muted); }
.section__head--light h2 { color: #fff; }
.section__head--light p { color: rgba(255,255,255,0.65); }
.eyebrow {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--amber); font-weight: 500; margin-bottom: 0.55rem;
}
.section__head--light .eyebrow { color: #e8b87a; }

/* —— Pain —— */
.pain-list {
  display: grid; gap: 0.75rem; max-width: 40rem;
}
.pain-list li {
  position: relative; padding: 1rem 1.15rem 1rem 2.85rem;
  background: var(--white); border-left: 3px solid #c45c4a;
  font-size: 1.02rem; font-weight: 500;
}
.pain-list li::before {
  content: ''; position: absolute; left: 1.05rem; top: 1.3rem;
  width: 0.7rem; height: 0.7rem;
  background: #c45c4a;
  clip-path: polygon(10% 0, 100% 50%, 10% 100%, 0 85%, 70% 50%, 0 15%);
  opacity: 0.85;
}
.pain-note {
  margin-top: 1.75rem; max-width: 38rem;
  font-size: 1.05rem; color: var(--ink-mid);
  border-top: 1px solid var(--line); padding-top: 1.35rem;
  font-family: var(--heading); line-height: 1.55;
}

/* —— Services —— */
.svc-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.85rem 1.5rem;
}
.svc-grid li {
  position: relative; padding-left: 1.65rem; font-size: 1.02rem;
  color: rgba(255,255,255,0.9);
}
.svc-grid li::before {
  content: ''; position: absolute; left: 0; top: 0.55rem;
  width: 0.7rem; height: 0.7rem; border-radius: 1px;
  background: var(--amber);
}

/* —— USP —— */
.usp-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem 1.25rem;
}
.usp-grid article {
  padding-top: 1rem;
  border-top: 2px solid var(--amber);
}
.usp-grid h3 {
  font-family: var(--heading); font-size: 1.15rem; margin-bottom: 0.45rem;
}
.usp-grid p { font-size: 0.95rem; color: var(--muted); }

/* —— Process —— */
.process {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  counter-reset: none;
}
.process li {
  position: relative;
  padding-right: 0.5rem;
}
.process__num {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em;
  color: var(--amber); font-weight: 500; display: block; margin-bottom: 0.65rem;
}
.process h3 {
  font-family: var(--heading); font-size: 1.1rem; margin-bottom: 0.35rem;
}
.process p { font-size: 0.92rem; color: var(--muted); }

/* —— Packages —— */
.packages {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem;
  align-items: stretch;
}
.package {
  background: var(--white); border: 1.5px solid var(--line);
  padding: 1.65rem 1.4rem; display: flex; flex-direction: column; gap: 0.55rem;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.package:hover { border-color: rgba(15, 39, 68, 0.28); transform: translateY(-3px); }
.package--hot {
  border-color: var(--ink); background: var(--ink); color: #fff;
  box-shadow: 0 24px 48px -28px rgba(15, 39, 68, 0.45);
}
.package--hot .package__fit { color: rgba(255,255,255,0.65); }
.package--hot .package__tier { color: #e8b87a; }
.package__tier {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--amber); font-weight: 500;
}
.package h3 { font-family: var(--heading); font-size: 1.2rem; }
.package__fit { font-size: 0.9rem; color: var(--muted); flex: 1; }
.package__price {
  font-size: 1.55rem; font-weight: 700; letter-spacing: -0.02em;
  margin: 0.35rem 0 0.65rem;
}
.package__price small { font-size: 0.85rem; font-weight: 500; opacity: 0.7; }
.pkg-cta { margin-top: 1.5rem; text-align: center; }

/* —— Proof —— */
.proof-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
  margin-bottom: 2rem;
}
.proof-stats article {
  text-align: left;
}
.proof-stats strong {
  display: block; font-family: var(--heading);
  font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.proof-stats span { font-size: 0.88rem; color: var(--muted); }
.review {
  max-width: 36rem; padding: 1.75rem 0 0;
  border-top: 1px solid var(--line);
}
.review p {
  font-family: var(--heading); font-size: 1.25rem; line-height: 1.5;
  margin-bottom: 0.85rem;
}
.review footer { font-size: 0.92rem; color: var(--muted); }

/* —— FAQ —— */
.faq { max-width: 40rem; display: grid; gap: 0.5rem; }
.faq details {
  background: var(--white); border: 1px solid var(--line); padding: 0;
}
.faq summary {
  cursor: pointer; list-style: none; padding: 1.05rem 1.2rem;
  font-weight: 600; font-size: 1rem;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; font-family: var(--mono); font-weight: 500;
  color: var(--amber); font-size: 1.1rem;
}
.faq details[open] summary::after { content: '−'; }
.faq details p {
  padding: 0 1.2rem 1.15rem; color: var(--muted); font-size: 0.95rem;
}

/* —— Closing / Contact —— */
.closing {
  background:
    linear-gradient(135deg, var(--amber-soft) 0%, var(--bg) 45%, var(--bg-soft) 100%);
  padding: 4.5rem 0 5rem;
  border-top: 1px solid var(--line);
}
.closing__inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: start;
}
.closing__copy h2 {
  font-family: var(--heading); font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.35; margin-bottom: 0.75rem;
}
.closing__copy > p { color: var(--muted); margin-bottom: 1.35rem; max-width: 32rem; }
.closing__channels { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.15rem; }
.closing__ids {
  font-size: 0.95rem; color: var(--ink-mid);
}
.contact-form {
  background: var(--white); border: 1.5px solid var(--ink);
  padding: 1.65rem 1.45rem; display: grid; gap: 0.9rem;
}
.contact-form h3 {
  font-family: var(--heading); font-size: 1.2rem; margin-bottom: 0.25rem;
}
.field { display: grid; gap: 0.35rem; }
.field label { font-size: 0.85rem; font-weight: 500; color: var(--ink-mid); }
.field input, .field select {
  padding: 0.7rem 0.85rem; border: 1px solid var(--line);
  background: var(--bg); border-radius: 2px;
  transition: border-color 0.2s var(--ease);
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--amber);
}

/* —— Footer —— */
.site-footer {
  background: var(--ink); color: rgba(255,255,255,0.78); padding: 3rem 0 1.5rem;
}
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer .brand { color: #fff; margin-bottom: 0.5rem; }
.site-footer .brand small { color: #e8b87a; }
.footer__lede { font-size: 0.9rem; max-width: 18rem; }
.footer__grid h4 {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: #e8b87a; margin-bottom: 0.75rem; font-weight: 500;
}
.footer__grid a { display: block; font-size: 0.92rem; margin-bottom: 0.4rem; }
.footer__grid a:hover { color: #fff; }
.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
}

/* —— Reveal motion —— */
.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal-stagger > *:nth-child(1) { transition-delay: 0.04s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.22s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.28s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.34s; }
.reveal-stagger > *:nth-child(7) { transition-delay: 0.4s; }
.reveal.is-in.reveal-stagger > * {
  opacity: 1; transform: none;
}
.reveal-stagger > * {
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .hero__media img { animation: none; transform: none; }
  .hero__inner { animation: none; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
}

/* —— Responsive —— */
@media (max-width: 960px) {
  .usp-grid, .process, .packages, .proof-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .closing__inner { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1rem;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
  .nav-cta { text-align: center; margin-top: 0.5rem; }

  .hero { min-height: min(88vh, 720px); align-items: flex-end; }
  .hero__inner { padding: 4rem 0 2.75rem; }
  .svc-grid, .usp-grid, .process, .packages, .proof-stats {
    grid-template-columns: 1fr;
  }
  .footer__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .btn-row .btn { flex: 1 1 auto; }
}