@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&display=swap');

/* ============================================================
   JOT Website — Corporate Marketing Site
   Design system reused from prior internal design system
   (colors, glassmorphism, dark/light theme, Inter/Outfit fonts)
   ============================================================ */

:root {
  /* ===== JOT Website official brand colors — see assets/brand-colors.md ===== */
  /* Colors — dark mode (default) */
  --bg-primary: hsl(198, 54%, 10%);
  --bg-secondary: hsl(198, 45%, 15%);
  --text-primary: hsl(38, 35%, 94%);
  --text-secondary: hsl(38, 15%, 75%);
  --accent-color: hsl(198, 42%, 41%);
  --accent-light: hsl(198, 50%, 58%);
  --accent-glow: hsla(198, 42%, 41%, 0.18);
  --cta-color: hsl(33, 74%, 53%);
  --cta-text: hsl(36, 18%, 11%);
  --success-color: hsl(150, 55%, 50%);
  --danger-color: hsl(0, 70%, 58%);
  --glass-bg: rgba(18, 40, 51, 0.7);
  --glass-border: rgba(244, 239, 230, 0.07);
  --glass-inset: inset 0 1px 1px rgba(244, 239, 230, 0.12);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --glow-shadow: 0 0 30px hsla(33, 74%, 53%, 0.2);

  /* Concept-work distinct treatment */
  --concept-bg: rgba(224, 144, 47, 0.08);
  --concept-border: rgba(224, 144, 47, 0.4);
  --concept-text: hsl(33, 80%, 65%);

  /* Fonts */
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --container-width: 1200px;
  --header-height: 76px;
}

[data-theme="light"] {
  --bg-primary: hsl(39, 39%, 93%);
  --bg-secondary: hsl(38, 30%, 88%);
  --text-primary: hsl(36, 18%, 11%);
  --text-secondary: hsl(34, 14%, 34%);
  --accent-color: hsl(197, 52%, 24%);
  --accent-light: hsl(197, 48%, 34%);
  --accent-glow: hsla(197, 52%, 24%, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.68);
  --glass-border: rgba(33, 29, 23, 0.08);
  --glass-inset: inset 0 1px 1px rgba(255, 255, 255, 0.6);
  --card-shadow: 0 10px 35px -10px rgba(0, 0, 0, 0.08);
  --glow-shadow: 0 0 20px hsla(33, 74%, 53%, 0.15);
  --concept-bg: rgba(224, 144, 47, 0.1);
  --concept-border: rgba(180, 105, 20, 0.4);
  --concept-text: hsl(28, 75%, 32%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.6s ease, color 0.6s ease;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 15%, hsla(198, 55%, 45%, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, hsla(33, 74%, 53%, 0.05) 0%, transparent 45%);
  pointer-events: none;
  z-index: -2;
}

/* Soft scrim above the blobs, below all content — keeps the blobs reading as
   ambient light rather than distinct shapes poking through glass cards */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  backdrop-filter: blur(60px);
  -webkit-backdrop-filter: blur(60px);
  pointer-events: none;
  z-index: -1;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
img, svg { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -50px;
  left: 1rem;
  background: var(--accent-color);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  z-index: 10000;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

/* ===== Liquid Glass Blobs ===== */
.liquid-blob {
  position: fixed;
  width: 420px; height: 420px;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.28;
  pointer-events: none;
  z-index: -3;
  transition: background-color 0.6s ease, opacity 0.6s ease;
}
.liquid-blob-1 {
  background: radial-gradient(circle, hsl(198, 55%, 45%) 0%, transparent 80%);
  top: -100px; left: -100px;
  animation: blob-float-1 22s infinite alternate ease-in-out;
}
.liquid-blob-2 {
  background: radial-gradient(circle, hsl(175, 80%, 45%) 0%, transparent 80%);
  bottom: -150px; right: -100px;
  animation: blob-float-2 28s infinite alternate ease-in-out;
}
.liquid-blob-3 {
  background: radial-gradient(circle, hsl(33, 74%, 53%) 0%, transparent 80%);
  top: 40%; left: 60%;
  width: 340px; height: 340px;
  animation: blob-float-3 25s infinite alternate ease-in-out;
}
[data-theme="light"] .liquid-blob { opacity: 0.14; }

@keyframes blob-float-1 {
  0% { transform: translate(0,0) scale(1) rotate(0deg); border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%; }
  50% { transform: translate(100px,80px) scale(1.15) rotate(180deg); border-radius: 70% 30% 52% 48% / 60% 40% 60% 40%; }
  100% { transform: translate(-40px,140px) scale(0.9) rotate(360deg); border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%; }
}
@keyframes blob-float-2 {
  0% { transform: translate(0,0) scale(1) rotate(0deg); border-radius: 70% 30% 52% 48% / 60% 40% 60% 40%; }
  50% { transform: translate(-140px,-90px) scale(0.85) rotate(-180deg); border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%; }
  100% { transform: translate(60px,40px) scale(1.1) rotate(-360deg); border-radius: 70% 30% 52% 48% / 60% 40% 60% 40%; }
}
@keyframes blob-float-3 {
  0% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-100px,120px) scale(1.2); }
  100% { transform: translate(50px,-80px) scale(0.95); }
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
}
.header::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04), 0 4px 24px rgba(0,0,0,0.12);
  transition: background 0.5s ease, border-color 0.5s ease;
  z-index: -1;
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}
.logo-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 7px;
  background: #fdfaf4;
  padding: 3px;
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
}
.menu-toggle:hover { background: rgba(255,255,255,0.08); }

.nav-pill {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  padding: 0.3rem;
  backdrop-filter: blur(8px);
}
.nav-pill a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  white-space: nowrap;
  display: inline-block;
}
.nav-pill a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-pill a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-color) 0%, hsl(198, 50%, 30%) 100%);
  box-shadow: 0 2px 12px hsla(198, 42%, 41%, 0.35);
}

.nav-actions { display: flex; align-items: center; gap: 0.65rem; flex-shrink: 0; }

.cta-button {
  background: linear-gradient(135deg, var(--cta-color) 0%, hsl(33, 74%, 46%) 100%);
  color: var(--cta-text);
  padding: 0.6rem 1.3rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 4px 15px hsla(33, 74%, 53%, 0.3);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.cta-button:hover { transform: translateY(-2px); box-shadow: var(--glow-shadow); }

.secondary-button {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.secondary-button:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); border-color: rgba(255,255,255,0.15); }

.lang-select {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}
.lang-select:hover, .lang-select:focus { border-color: var(--accent-color); }

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--glass-inset), 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1), background-color 0.6s ease, border-color 0.6s ease;
}
.theme-toggle:hover { border-color: var(--accent-color); transform: scale(1.05); }
.theme-toggle-svg { width: 19px; height: 19px; transition: transform 0.5s cubic-bezier(0.16,1,0.3,1); }
#theme-sun-center, #theme-mask-circle, #theme-sun-rays { transition: all 0.5s cubic-bezier(0.16,1,0.3,1); }
[data-theme="light"] #theme-sun-center { r: 5px; }
[data-theme="light"] #theme-mask-circle { cx: 24px; cy: 4px; r: 0px; }
[data-theme="light"] #theme-sun-rays { opacity: 1 !important; transform: rotate(0deg) scale(1) !important; }
[data-theme="light"] .theme-toggle-svg { transform: rotate(90deg); }

/* ===== Sections ===== */
section { padding: 7rem 0 5rem; border-bottom: 1px solid var(--glass-border); }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.section-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  font-weight: 700;
}
.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.35rem);
  line-height: 1.3;
}
.section-subtitle { color: var(--text-secondary); font-size: 1.02rem; line-height: 1.7; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 2rem);
  position: relative;
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3.5rem; align-items: center; }
.hero-content { display: flex; flex-direction: column; gap: 1.4rem; }

/* Page-load entrance — runs immediately, not gated by scroll observer timing */
.hero-content, .hero-graphic {
  animation: hero-enter 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-graphic { animation-delay: 0.12s; }
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-content, .hero-graphic { animation: none; }
}

.tagline {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-light);
  font-weight: 700;
  display: flex; align-items: center; gap: 0.55rem;
}
.tagline::before { content: ''; width: 20px; height: 2px; background: var(--accent-color); display: inline-block; }

.hero-title {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  line-height: 1.18;
  background: linear-gradient(to right, var(--text-primary) 55%, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 540px; }
.hero-actions { display: flex; gap: 1.1rem; margin-top: 0.5rem; flex-wrap: wrap; }

.hero-trust-row {
  display: flex;
  gap: 1.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.hero-trust-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.hero-trust-item svg { width: 16px; height: 16px; stroke: var(--success-color); flex-shrink: 0; }

.hero-graphic { position: relative; }
.graphic-container {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--card-shadow);
  position: relative;
  z-index: 2;
}
.graphic-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 260px; height: 260px;
  background: var(--accent-color);
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.22;
  z-index: 1;
}
.process-mini {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.process-mini-step {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.9rem;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}
.process-mini-step:hover {
  border-color: var(--glass-border);
  background: rgba(255,255,255,0.02);
}
.process-mini-num {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--accent-light);
  width: 30px; height: 30px;
  border-radius: 50%;
  background: hsla(198, 42%, 41%, 0.12);
  border: 1px solid hsla(198, 42%, 41%, 0.25);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.process-mini-text h4 { font-size: 0.95rem; margin-bottom: 0.15rem; }
.process-mini-text p { font-size: 0.82rem; color: var(--text-secondary); }

/* ===== Problem Section ===== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.problem-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  box-shadow: var(--glass-inset), var(--card-shadow);
}
.problem-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.08);
  display: flex; align-items: center; justify-content: center;
  stroke: var(--danger-color);
  margin-bottom: 1.25rem;
}
.problem-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.problem-card p { color: var(--text-secondary); font-size: 0.92rem; }

.problem-solution-banner {
  margin-top: 2.5rem;
  background: linear-gradient(135deg, hsla(198, 42%, 41%, 0.08) 0%, transparent 100%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 2rem 2.25rem;
  text-align: center;
}
.problem-solution-banner p {
  font-size: 1.1rem;
  color: var(--text-primary);
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.75;
}
.problem-solution-banner strong { color: var(--accent-light); }

/* ===== Case Study (arhyoung.com) ===== */
.case-study {
  position: relative;
}
.case-study-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--success-color);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 9999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.25rem;
}
.case-study-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.case-study-narrative { display: flex; flex-direction: column; gap: 1.5rem; }
.case-study-narrative h3 {
  font-size: 1.75rem;
  background: linear-gradient(to right, var(--text-primary) 55%, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.case-study-block h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-light);
  margin-bottom: 0.5rem;
}
.case-study-block p { color: var(--text-secondary); font-size: 0.98rem; line-height: 1.75; }

.case-study-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-light);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 0.5rem;
}
.case-study-link svg { width: 16px; height: 16px; stroke: currentColor; transition: transform 0.25s ease; }
.case-study-link:hover svg { transform: translateX(4px); }

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.metric-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  box-shadow: var(--glass-inset), var(--card-shadow);
}
.metric-card .metric-value {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}
.metric-card .metric-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== Coming Soon panel ===== */
.coming-soon-panel {
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
  padding: 3rem 2rem;
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border);
  border-radius: 20px;
}
.coming-soon-panel svg { stroke: var(--accent-light); margin-bottom: 1rem; }
.coming-soon-panel h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.coming-soon-panel p { color: var(--text-secondary); line-height: 1.75; margin-bottom: 1.75rem; }
.coming-soon-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}
.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  padding: 0.45rem 0.9rem;
  transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.category-chip svg { stroke: var(--accent-light); flex-shrink: 0; }
.category-chip:hover { border-color: hsla(198, 42%, 41%, 0.4); color: var(--text-primary); transform: translateY(-2px); }
.coming-soon-cta {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-light);
  border-bottom: 1px solid hsla(198, 42%, 41%, 0.4);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.coming-soon-cta:hover { color: var(--cta-color); border-color: var(--cta-color); }

/* ===== Demo Gallery (concept work) ===== */
.demo-gallery-notice {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--concept-bg);
  border: 1px solid var(--concept-border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}
.demo-gallery-notice svg { width: 22px; height: 22px; stroke: var(--concept-text); flex-shrink: 0; margin-top: 0.15rem; }
.demo-gallery-notice p { font-size: 0.92rem; color: var(--text-primary); line-height: 1.6; }
.demo-gallery-notice strong { color: var(--concept-text); }

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.demo-card {
  background: var(--glass-bg);
  border: 1px dashed var(--concept-border);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  box-shadow: var(--glass-inset), var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), box-shadow 0.35s ease;
}
.demo-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px -15px hsla(198, 42%, 41%, 0.18); }

.demo-card-media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-secondary);
}
.demo-card-media img { width: 100%; height: 100%; object-fit: cover; }
.demo-card-concept-tag {
  position: absolute;
  top: 0.85rem; left: 0.85rem;
  background: var(--concept-text);
  color: var(--bg-primary);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 9999px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.demo-card-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; flex-grow: 1; }
.demo-card-type {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-light);
  font-weight: 700;
}
.demo-card-body h3 { font-size: 1.2rem; }
.demo-card-body p { font-size: 0.88rem; color: var(--text-secondary); flex-grow: 1; }
.demo-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-top: 0.25rem;
}
.demo-card-link svg { width: 14px; height: 14px; stroke: currentColor; transition: transform 0.25s ease; }
.demo-card-link:hover svg { transform: translateX(3px); }

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  position: relative;
}
.process-step {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  box-shadow: var(--glass-inset), var(--card-shadow);
  position: relative;
}
.process-step-num {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.4rem;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color) 0%, hsl(198, 50%, 30%) 100%);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 15px hsla(198, 42%, 41%, 0.3);
  position: relative;
}
.process-step-num::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1.5px solid hsla(198, 42%, 41%, 0.5);
  animation: step-num-pulse 2.6s ease-out infinite;
}
@keyframes step-num-pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  80% { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.process-step p { font-size: 0.85rem; color: var(--text-secondary); }

.process-timeline-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 2rem;
  padding: 0.9rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.process-timeline-note svg { stroke: var(--accent-light); flex-shrink: 0; }
.process-timeline-note span { font-size: 0.85rem; color: var(--text-secondary); }

.process-philosophy {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
  max-width: 920px;
  margin: 3rem auto 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}
.process-philosophy-photo {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
}
.process-philosophy-photo img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 4 / 3; }
.process-philosophy-text .section-tag { margin-bottom: 0.6rem; display: inline-block; }
.process-philosophy-text p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; margin: 0; }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}
.price-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  box-shadow: var(--glass-inset), var(--card-shadow);
  position: relative;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease;
}
.price-card.featured {
  border-color: var(--accent-color);
  box-shadow: 0 15px 35px -10px hsla(198, 42%, 41%, 0.25);
  transform: scale(1.03);
}
.badge {
  position: absolute;
  top: 1.25rem; right: 1.5rem;
  background: var(--accent-color);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
  overflow: hidden;
  isolation: isolate;
}
.badge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.45) 50%, transparent 70%);
  background-size: 250% 100%;
  animation: badge-shimmer 3.5s linear infinite;
  z-index: -1;
}
@keyframes badge-shimmer {
  0% { background-position: 200% center; }
  100% { background-position: -200% center; }
}
.price-header { display: flex; flex-direction: column; gap: 0.4rem; }
.price-header h3 { font-size: 1.4rem; }
.price-header p { color: var(--text-secondary); font-size: 0.88rem; }
.price-amount { display: flex; flex-direction: column; }
.price-from { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 0.2rem; }
.price-amount .amount {
  font-family: var(--font-title);
  font-size: 2.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  display: block;
}
.price-amount .amount-range {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  opacity: 0.72;
}
.price-amount .period { font-size: 0.78rem; color: var(--success-color); font-weight: 600; margin-top: 0.3rem; }
.price-features { display: flex; flex-direction: column; gap: 0.9rem; }
.price-features li { font-size: 0.88rem; display: flex; align-items: flex-start; gap: 0.65rem; }
.check-icon { width: 17px; height: 17px; stroke: var(--success-color); flex-shrink: 0; margin-top: 0.15rem; }

.pricing-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.pricing-trust-row { display: flex; justify-content: center; gap: 2.25rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-secondary); }
.trust-item svg { width: 16px; height: 16px; stroke: var(--success-color); flex-shrink: 0; }

/* ===== MA / Maintenance add-on ===== */
.ma-section {
  margin-top: 4.5rem;
  padding-top: 3.5rem;
  border-top: 1px dashed var(--glass-border);
}
.ma-header { text-align: center; max-width: 680px; margin: 0 auto 2.25rem; }
.ma-title { font-size: 1.6rem; margin: 0.4rem 0 0.75rem; }
.ma-subtitle { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.8; }

/* --- MA 3D layered stack (pure CSS 3D transforms, no canvas/WebGL) --- */
.ma-stack-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3rem;
  perspective: 1000px;
  padding: 3rem 0 2.5rem;
}
.ma-stack-pillar,
.ma-stack-layer { position: absolute; }

.ma-stack-container {
  width: 340px;
  height: 340px;
  margin: 0 auto;
  background: rgba(18, 40, 51, 0.35);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  position: relative;
  transform: rotateX(55deg) rotateZ(-35deg);
  transform-style: preserve-3d;
  box-shadow: -20px 20px 45px rgba(0,0,0,0.5);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.ma-stack-pillar {
  width: 2px;
  height: 110px;
  border-left: 2px dashed hsla(198, 42%, 41%, 0.4);
  transform: rotateX(90deg) translateZ(-55px);
  transform-origin: top;
}
.ma-stack-pillar-1 { left: 15%; top: 15%; }
.ma-stack-pillar-2 { right: 15%; top: 15%; }
.ma-stack-pillar-3 { left: 15%; bottom: 15%; }
.ma-stack-pillar-4 { right: 15%; bottom: 15%; }

.ma-stack-layer {
  width: 70%;
  height: 70%;
  left: 15%;
  top: 15%;
  border-radius: 12px;
  padding: 0.85rem;
  font-family: var(--font-body);
  font-size: 0.68rem;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.ma-stack-layer-title { font-weight: 700; letter-spacing: 0.01em; }
.ma-stack-layer-body { opacity: 0.75; line-height: 1.5; }
.ma-stack-layer-1 {
  background: hsla(198, 42%, 41%, 0.1);
  border: 2px solid var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
  transform: translateZ(18px);
}
.ma-stack-layer-1 .ma-stack-layer-title { color: var(--accent-light); }
.ma-stack-layer-2 {
  background: hsla(150, 55%, 50%, 0.08);
  border: 2px solid var(--success-color);
  box-shadow: 0 0 15px hsla(150, 55%, 50%, 0.15);
  transform: translateZ(65px);
}
.ma-stack-layer-2 .ma-stack-layer-title { color: var(--success-color); }
.ma-stack-layer-3 {
  background: hsla(33, 74%, 53%, 0.1);
  border: 2px solid var(--cta-color);
  box-shadow: 0 0 15px hsla(33, 74%, 53%, 0.2);
  transform: translateZ(112px);
}
.ma-stack-layer-3 .ma-stack-layer-title { color: var(--cta-color); }

.ma-stack-container:hover .ma-stack-layer-1 { transform: translateZ(14px); }
.ma-stack-container:hover .ma-stack-layer-2 { transform: translateZ(80px); }
.ma-stack-container:hover .ma-stack-layer-3 { transform: translateZ(148px); }

.ma-stack-caption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  max-width: 520px;
  margin-top: 0.5rem;
}

.ma-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 980px;
  margin: 0 auto;
}
.ma-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  position: relative;
}
.ma-card--featured { border-color: var(--accent-color); box-shadow: 0 10px 25px -10px hsla(198, 42%, 41%, 0.22); }
.ma-card h4 { font-size: 1.05rem; }
.ma-price { display: flex; align-items: baseline; gap: 0.35rem; }
.ma-price .amount { font-family: var(--font-title); font-size: 1.6rem; font-weight: 800; color: var(--text-primary); }
.ma-price .period { font-size: 0.78rem; color: var(--text-secondary); }
.ma-features { display: flex; flex-direction: column; gap: 0.55rem; list-style: none; padding: 0; margin: 0; }
.ma-features li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-left: 1.15rem;
  position: relative;
  line-height: 1.5;
}
.ma-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success-color);
}
.ma-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  max-width: 600px;
  margin: 1.75rem auto 0;
}

/* ===== About ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 760px;
  margin: 0 auto;
  gap: 1.5rem;
}
.about-layout p { color: var(--text-secondary); font-size: 1.02rem; line-height: 1.85; }
.about-note {
  margin-top: 1rem;
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.about-story-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.75rem;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto 3rem;
}
.about-story-grid--reverse { grid-template-columns: 1.15fr 0.85fr; }
.about-story-grid--reverse .about-photo { order: 2; }
.about-story-grid--reverse .about-story { order: 1; }

.about-photo {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--glass-border);
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4 / 3;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.about-photo:hover img { transform: scale(1.04); }
.about-photo--main img { aspect-ratio: 1 / 1; }

.about-story {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.25rem 2.5rem;
  box-shadow: var(--card-shadow);
}
.about-story-quote {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary) !important;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  padding-left: 1.1rem;
  border-left: 3px solid var(--accent-color);
}
.about-story p:not(.about-story-quote) { margin-bottom: 1.1rem; }
.about-story p:last-child { margin-bottom: 0; }
.about-story strong { color: var(--accent-light); font-weight: 700; }
.about-values { text-align: center; }
.about-values > p { max-width: 620px; margin: 0 auto; }

/* ===== Contact ===== */
.contact-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3.5rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.75rem; }
.info-item { display: flex; gap: 1.1rem; align-items: flex-start; }
.info-icon { width: 22px; height: 22px; stroke: var(--accent-color); flex-shrink: 0; }
.info-text h4 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.info-text p { color: var(--text-secondary); font-size: 0.92rem; }
.info-text a { color: var(--accent-light); font-weight: 600; }
.info-text a:hover { text-decoration: underline; }

.info-gap-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: var(--concept-bg);
  border: 1px dashed var(--concept-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-top: 0.25rem;
}

.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  box-shadow: var(--glass-inset), var(--card-shadow);
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }
.form-input {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.form-input:focus { outline: none; border-color: var(--accent-color); }
.form-error { font-size: 0.75rem; color: var(--danger-color); display: none; }
.form-group.invalid .form-input { border-color: var(--danger-color); }
.form-group.invalid .form-error { display: block; }
.form-note { font-size: 0.8rem; color: var(--text-secondary); text-align: center; }
.form-success {
  display: none;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--success-color);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  font-size: 0.88rem;
  text-align: center;
}
.form-success.show { display: block; }

/* ===== Closing CTA ===== */
.closing-cta {
  position: relative;
  text-align: center;
  border-radius: 24px;
  padding: 3rem 2rem;
  margin-top: 3rem;
  overflow: hidden;
  isolation: isolate;
}
.closing-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('assets/gold-abstract-texture.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: -2;
}
.closing-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, hsla(198, 42%, 41%, 0.16) 55%, var(--bg-primary) 100%);
  z-index: -1;
}
[data-theme="light"] .closing-cta::before { opacity: 0.06; }
.closing-cta h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.closing-cta p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.closing-cta-actions { display: flex; justify-content: center; gap: 1.1rem; flex-wrap: wrap; }

/* ===== Footer ===== */
.footer {
  background: rgba(15, 20, 30, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 3.5rem 0 2rem;
  border-top: 1px solid var(--glass-border);
}
[data-theme="light"] .footer { background: hsl(220, 20%, 18%); border-top: 1px solid rgba(255,255,255,0.06); }
[data-theme="light"] .footer-desc,
[data-theme="light"] .footer-nav a,
[data-theme="light"] .footer-bottom p { color: hsl(210, 15%, 65%); }
[data-theme="light"] .footer-nav h4,
[data-theme="light"] .footer .logo {
  background: linear-gradient(135deg, hsl(210,30%,90%) 30%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .footer-nav a:hover { color: hsl(210, 30%, 95%); }
[data-theme="light"] .footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 1rem; }
.footer-desc { color: var(--text-secondary); font-size: 0.88rem; max-width: 300px; }
.footer-nav { display: flex; flex-direction: column; gap: 1rem; }
.footer-nav h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-nav ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-nav a { font-size: 0.88rem; color: var(--text-secondary); }
.footer-nav a:hover { color: var(--text-primary); }
/* ===== Footer: ตัวตนทางกฎหมาย + ที่สำหรับตรารับรอง =====
   เพิ่ม 20/08/2026 — เดิม footer ไม่บอกเลยว่าใครเป็นเจ้าของกิจการ
   ทั้งที่เป็น .co.th ซึ่งจดได้เฉพาะนิติบุคคลไทย = จุดขายที่ไม่ได้ใช้ */
.footer-legal {
  border-top: 1px solid var(--glass-border);
  padding-top: 1.75rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-entity { display: flex; flex-direction: column; gap: 0.3rem; max-width: 46ch; }
.footer-entity-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.footer-entity-id {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.footer-entity-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
  opacity: 0.85;
}
.footer-trustmarks { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-trustmarks img { height: 45px; width: auto; opacity: 0.9; transition: opacity 0.2s ease; }
.footer-trustmarks a:hover img { opacity: 1; }

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ===== Transitions across theme-sensitive elements ===== */
.form-input, .cta-button, .secondary-button, .logo, .nav-pill a, .footer, .footer-bottom {
  transition: all 0.25s ease, background-color 0.6s ease, border-color 0.6s ease, color 0.6s ease;
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .hero-content { align-items: center; }
  .hero-desc { margin: 0 auto; }
  .hero-actions, .hero-trust-row { justify-content: center; }
  .case-study-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .about-story-grid, .about-story-grid--reverse { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-story-grid--reverse .about-photo { order: 1; }
  .about-story-grid--reverse .about-story { order: 2; }
  .about-photo img { aspect-ratio: 16 / 10; }
  .process-philosophy { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .pricing-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  #pricing-enterprise { grid-column: span 2; max-width: 480px; margin: 0 auto; width: 100%; }
  .ma-grid { grid-template-columns: 1fr 1fr; }
  .ma-grid .ma-card:last-child { grid-column: span 2; max-width: 480px; margin: 0 auto; width: 100%; }
  section { padding: 5.5rem 0 3.5rem; }
}

@media (max-width: 767px) {
  .footer-legal { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .footer-entity { max-width: 100%; }

  .menu-toggle { display: block; }
  .nav-pill {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border: none;
    border-bottom: 1px solid var(--glass-border);
    border-radius: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem 2rem;
    gap: 0.5rem;
  }
  .nav-pill.show { display: flex; }
  .nav-pill a { text-align: center; padding: 0.75rem; }

  .demo-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  #pricing-enterprise { grid-column: span 1; max-width: none; }
  .price-card.featured { transform: none; }
  .ma-grid { grid-template-columns: 1fr; }
  .ma-grid .ma-card:last-child { grid-column: span 1; max-width: none; }
  .ma-stack-container { width: 260px; height: 260px; transform: rotateX(50deg) rotateZ(-30deg); }
  .ma-stack-layer { font-size: 0.6rem; padding: 0.6rem; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .closing-cta { padding: 2.25rem 1.5rem; }
}

@media (max-width: 375px) {
  html { font-size: 14px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions a, .hero-actions button { width: 100%; justify-content: center; }
  .cta-button, .secondary-button { padding: 0.75rem 1.25rem; }
  .metrics-grid { grid-template-columns: 1fr; }
  .closing-cta-actions { flex-direction: column; width: 100%; }
  .closing-cta-actions a { width: 100%; justify-content: center; }
}

/* ===== Motion: scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children within a revealed grid — index set via JS as --reveal-i */
.reveal-child {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--reveal-i, 0) * 70ms);
  will-change: opacity, transform;
}
.reveal-child.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Motion: refined hover states ===== */
.metric-card,
.process-step,
.demo-card,
.price-card,
.ma-card,
.case-study-status-panel {
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}
.metric-card:hover,
.process-step:hover,
.ma-card:hover {
  transform: translateY(-4px);
  border-color: hsla(198, 42%, 41%, 0.35);
  box-shadow: 0 16px 32px -18px hsla(198, 42%, 41%, 0.3), var(--glass-inset);
}
.price-card:hover:not(.featured) {
  transform: translateY(-4px);
  border-color: hsla(198, 42%, 41%, 0.35);
}

.logo-icon { transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.logo:hover .logo-icon { transform: rotate(-6deg) scale(1.06); }

.cta-button, .secondary-button {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, background 0.3s ease;
}
.secondary-button:hover { transform: translateY(-2px); }

/* ===== Motion: respect user preference ===== */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-child {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Portfolio — งานออกแบบเชิงแนวคิด (เพิ่ม 20/08/2026) =====
   แทนที่ coming-soon panel เดิม
   mockup ทั้งหมดวาดด้วย CSS ล้วน ไม่มีไฟล์รูป = ไม่มี request เพิ่ม โหลดเร็ว
   และไม่ต้องรอ asset — สอดคล้องกับจุดขาย "เว็บโหลดเร็ว" ของ JOT เอง */
.portfolio-notice {
  background: var(--concept-bg);
  border: 1px solid var(--concept-border);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  font-size: 0.86rem;
  color: var(--concept-text);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  text-align: center;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.portfolio-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: var(--card-shadow), var(--glow-shadow);
}

.portfolio-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.8rem; flex: 1; }
.portfolio-type {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent-light);
  font-weight: 600;
}
.portfolio-body h3 { font-size: 1.12rem; line-height: 1.45; color: var(--text-primary); }
.portfolio-body p  { font-size: 0.88rem; line-height: 1.75; color: var(--text-secondary); }

.portfolio-cta-row {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.portfolio-cta-row p { color: var(--text-secondary); font-size: 0.95rem; }

[data-theme="light"] 
[data-theme="light"] 
[data-theme="light"] 

@media (prefers-reduced-motion: reduce) {
  .portfolio-card { transition: none; }
  .portfolio-card:hover { transform: none; }
}

/* section ที่ถูก focus ด้วย JS ตอนเลื่อน (tabindex="-1") ไม่ต้องขึ้นกรอบ
   — focus ที่นี่มีไว้ให้ screen reader/คีย์บอร์ดตามทัน ไม่ใช่ให้คนเห็น */
section:focus { outline: none; }
section:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; }

/* ===== Portfolio v2: ภาพนำ กดดูเต็มได้ (20/08/2026) ===== */
.portfolio-shot {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: var(--bg-secondary);
  cursor: zoom-in;
  position: relative;
  overflow: hidden;
  aspect-ratio: 1600 / 893;
  border-bottom: 1px solid var(--glass-border);
}
.portfolio-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.45s ease;
}
.portfolio-card:hover .portfolio-shot img { transform: scale(1.04); }
.portfolio-zoom {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(10, 22, 28, 0.72);
  color: var(--text-primary);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.portfolio-card:hover .portfolio-zoom,
.portfolio-shot:focus-visible .portfolio-zoom { opacity: 1; transform: translateY(0); }
.portfolio-shot:focus-visible { outline: 3px solid var(--cta-color); outline-offset: -3px; }

/* ---- Lightbox ---- */
.pf-lightbox { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 1.5rem; }
.pf-lightbox[hidden] { display: none; }
.pf-lightbox-backdrop { position: absolute; inset: 0; background: rgba(4, 12, 16, 0.88); backdrop-filter: blur(4px); }
.pf-lightbox-inner {
  position: relative;
  width: min(1100px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.pf-lightbox-bar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.pf-lightbox-title { font-size: 1rem; color: var(--text-primary); font-family: var(--font-title); }
.pf-lightbox-actions { display: flex; align-items: center; gap: 0.75rem; }
.pf-toggle { display: flex; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 999px; padding: 3px; }
.pf-toggle-btn {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s ease, color 0.2s ease;
}
.pf-toggle-btn.is-active { background: var(--cta-color); color: var(--cta-text); font-weight: 600; }
.pf-close {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.pf-close:hover { border-color: var(--cta-color); }
.pf-lightbox-stage {
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: auto;
  border-radius: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
}
.pf-lightbox-stage img { max-width: 100%; max-height: 100%; display: block; border-radius: 12px; }
/* มุมมองมือถือ: จำกัดความกว้างให้ดูเหมือนถือโทรศัพท์จริง */
.pf-lightbox[data-pf-view="mobile"] .pf-lightbox-stage img { max-width: min(330px, 100%); }

@media (max-width: 767px) {
  .pf-lightbox { padding: 0.85rem; }
  .pf-lightbox-bar { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .pf-lightbox-actions { width: 100%; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio-shot img, .portfolio-zoom { transition: none; }
  .portfolio-card:hover .portfolio-shot img { transform: none; }
}