:root {
  --quartz: #f4f7fb;
  --quartz-deep: #e4ebf4;
  --ink: #162033;
  --ink-soft: #3b4a63;
  --emerald: #1ecf8a;
  --emerald-bright: #3dffa8;
  --violet: #7c5cbf;
  --violet-glow: #a78bfa;
  --cyan: #22d3ee;
  --cyan-soft: #67e8f9;
  --silver: #f8fafc;
  --night: #121a2e;
  --glass: rgba(248, 250, 252, 0.58);
  --line: rgba(18, 26, 46, 0.12);
  --shadow: 0 24px 60px rgba(18, 26, 46, 0.12);
  --radius: 22px;
  --font: "IBM Plex Sans Thai", "Sarabun", sans-serif;
  --display: "Cormorant Garamond", "Noto Serif Thai", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--quartz);
  min-height: 100vh;
  line-height: 1.7;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(61, 255, 168, 0.28), transparent 60%),
    radial-gradient(700px 500px at 92% 8%, rgba(167, 139, 250, 0.32), transparent 55%),
    radial-gradient(800px 520px at 70% 95%, rgba(103, 232, 249, 0.22), transparent 50%),
    linear-gradient(180deg, #eef3f8 0%, #e7eef8 40%, #f5f7fb 100%);
  animation: aurora-drift 28s ease-in-out infinite alternate;
}

@keyframes aurora-drift {
  from { filter: hue-rotate(0deg) saturate(1); }
  to { filter: hue-rotate(18deg) saturate(1.08); }
}

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

a {
  color: #3a2a78;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -40px;
  background: var(--night);
  color: var(--silver);
  padding: 0.5rem 0.8rem;
  z-index: 20;
}

.skip-link:focus {
  top: 0.6rem;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(244, 247, 251, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 2.1rem;
  height: 2.1rem;
  clip-path: polygon(50% 0%, 92% 28%, 92% 72%, 50% 100%, 8% 72%, 8% 28%);
  background: linear-gradient(135deg, var(--cyan-soft), var(--emerald-bright) 45%, var(--violet-glow));
  box-shadow: 0 0 18px rgba(61, 255, 168, 0.55);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-text small {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.nav-toggle {
  display: none;
  font: inherit;
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--night);
  color: var(--silver) !important;
}

.btn {
  appearance: none;
  border: 0;
  font: inherit;
  cursor: pointer;
  background: var(--night);
  color: var(--silver);
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(61, 255, 168, 0.7), rgba(167, 139, 250, 0.35) 40%, transparent 62%);
  transform: scale(0.2);
  opacity: 0;
  transition: transform 0.55s ease, opacity 0.55s ease;
  z-index: -1;
}

.btn:hover::after,
.btn:focus-visible::after {
  transform: scale(1);
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.crystal {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  position: relative;
}

.crystal::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 20%, rgba(103, 232, 249, 0.18), rgba(167, 139, 250, 0.12) 70%, transparent);
  mix-blend-mode: screen;
}

.brief-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2.2rem;
  padding: 3.2rem 0 2.4rem;
  align-items: stretch;
}

.brief-rail {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-left: 1px solid var(--line);
  padding-left: 0.8rem;
  align-self: start;
  height: min(420px, 70vh);
}

.brief-doc {
  padding: 1.6rem 1.7rem 1.8rem;
}

.brief-kicker {
  margin: 0 0 1rem;
  color: var(--violet);
  font-size: 0.85rem;
}

.brief-doc h1 {
  font-family: var(--font);
  font-weight: 600;
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  line-height: 1.45;
  margin: 0 0 1rem;
}

.brief-doc p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.brief-meta {
  display: grid;
  gap: 0.25rem;
  font-size: 0.92rem;
  margin: 1.2rem 0 1.4rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}

.hero-photo {
  overflow: hidden;
  min-height: 420px;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
  filter: saturate(0.92) contrast(1.02);
}

.section {
  padding: 2.2rem 0 3rem;
}

.section h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  margin: 0 0 0.6rem;
}

.lede {
  max-width: 42rem;
  color: var(--ink-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-top: 1.4rem;
}

.card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card img {
  height: 180px;
  width: 100%;
  object-fit: cover;
}

.card-body {
  padding: 1.1rem 1.15rem 1.3rem;
}

.card-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.08rem;
}

.card-body p {
  margin: 0 0 0.8rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.price-tag {
  font-size: 0.88rem;
  color: #215c48;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem;
  align-items: center;
}

.quote {
  padding: 1.4rem 1.5rem;
}

.quote p {
  font-size: 1.05rem;
  margin-top: 0;
}

.quote cite {
  font-style: normal;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.team-grid,
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-top: 1.2rem;
}

.person img,
.folio img {
  height: 240px;
  width: 100%;
  object-fit: cover;
}

.person,
.folio {
  overflow: hidden;
}

.person .card-body,
.folio .card-body {
  padding: 1rem 1.1rem 1.2rem;
}

.prose {
  max-width: 46rem;
}

.prose h1 {
  font-size: clamp(1.7rem, 2.5vw, 2.2rem);
  line-height: 1.4;
}

.prose h2 {
  font-family: var(--font);
  font-size: 1.25rem;
  margin-top: 2rem;
}

.form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

label span {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

input,
textarea,
select {
  width: 100%;
  font: inherit;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.field-error,
.js-error {
  color: #8a1f3a;
  font-size: 0.88rem;
  margin: 0.25rem 0 0;
}

.form-success {
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(30, 207, 138, 0.16);
}

.page-hero {
  padding: 2.4rem 0 1rem;
}

.page-hero img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 1rem;
}

.list-plain {
  padding-left: 1.1rem;
}

.site-footer {
  margin-top: 2rem;
  padding: 2.4rem 0 1.4rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.35);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.4rem;
}

.footer-grid a,
.footer-grid p {
  display: block;
  color: var(--ink-soft);
  text-decoration: none;
  margin: 0.2rem 0;
}

.footer-brand {
  color: var(--ink) !important;
  font-weight: 600;
}

.footer-label {
  color: var(--ink) !important;
  font-weight: 600;
  margin-bottom: 0.5rem !important;
}

.footer-base {
  margin-top: 1.6rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(720px, calc(100% - 1.4rem));
  z-index: 30;
}

.cookie-inner {
  padding: 1rem 1.1rem 1.1rem;
}

.cookie-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
}

.not-found {
  padding: 4rem 0 5rem;
  text-align: center;
}

@media (max-width: 900px) {
  .brief-hero,
  .split,
  .card-grid,
  .team-grid,
  .portfolio-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .brief-rail {
    writing-mode: horizontal-tb;
    transform: none;
    height: auto;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 0.6rem;
    letter-spacing: 0.12em;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(244, 247, 251, 0.96);
    border: 1px solid var(--line);
    border-radius: 16px;
  }

  .site-nav.is-open {
    display: flex;
  }
}