/* =========================================================
   TER CHAMBERS — Theme from design mockup
   Cream ivory · deep forest green · soft gold
   Large readable type · fully responsive
   ========================================================= */
:root {
  --cream: #f7f4ef;
  --cream-soft: #faf8f5;
  --cream-card: #ffffff;
  --cream-muted: #efeae2;
  --ink: #1a1f1c;
  --ink-soft: #3d4540;
  --ink-muted: #5c655f;
  --green-950: #0c1612;
  --green-900: #0f1f18;
  --green-850: #14241c;
  --green-800: #1a2e24;
  --green-700: #243b30;
  --green-600: #2f4a3c;
  --gold: #b8975a;
  --gold-soft: #c9a96e;
  --gold-pale: #e8d9b8;
  --gold-label: #a8894a;
  --border: rgba(15, 31, 24, 0.08);
  --border-strong: rgba(15, 31, 24, 0.14);
  --border-gold: rgba(184, 151, 90, 0.35);
  --shadow: 0 16px 48px rgba(12, 22, 18, 0.1);
  --shadow-soft: 0 8px 28px rgba(12, 22, 18, 0.07);
  --shadow-card: 0 10px 32px rgba(12, 22, 18, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --nav-h: 84px;
  --font-display: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --text-base: 1.125rem; /* 18px */
  --text-lg: 1.25rem;
  --text-sm: 1rem;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition), opacity var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
ul { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-dark {
  background: linear-gradient(165deg, var(--green-900) 0%, var(--green-850) 55%, var(--green-800) 100%);
  color: #f0ebe3;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark .section-title { color: #faf7f0; }

.section-dark .section-lead,
.section-dark p { color: rgba(240, 235, 227, 0.82); }

.section-label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-label);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  margin-bottom: 1rem;
  max-width: 18ch;
}

.section-title.wide { max-width: none; }

.section-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-muted);
  max-width: 40rem;
  line-height: 1.75;
}

.center { text-align: center; }
.center .section-title,
.center .section-lead { margin-inline: auto; }
.center .section-title { max-width: 22ch; }

.divider-gold {
  width: 52px;
  height: 2px;
  background: var(--gold);
  margin: 1rem 0 1.5rem;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.navbar.scrolled {
  background: rgba(250, 248, 245, 0.97);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(12, 22, 18, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1240px, calc(100% - 1.75rem));
  margin-inline: auto;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--green-900);
  letter-spacing: 0.06em;
}

.brand-cn {
  font-size: 0.78rem;
  color: var(--gold-label);
  letter-spacing: 0.18em;
  margin-top: 2px;
}

.brand-sub {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--ink-muted);
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-900);
  background: rgba(15, 31, 24, 0.06);
}

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

.lang-switch {
  display: flex;
  background: var(--cream-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.lang-btn {
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-muted);
  transition: all var(--transition);
}

.lang-btn:hover { color: var(--green-900); }
.lang-btn.active {
  background: var(--green-900);
  color: #faf7f0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--green-900);
  transition: var(--transition);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-900);
  color: #faf7f0;
  box-shadow: 0 8px 22px rgba(15, 31, 24, 0.2);
}
.btn-primary:hover {
  background: var(--green-800);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 31, 24, 0.25);
}

.btn-outline {
  background: transparent;
  border-color: rgba(15, 31, 24, 0.22);
  color: var(--green-900);
}
.btn-outline:hover {
  border-color: var(--green-900);
  background: rgba(15, 31, 24, 0.04);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(250, 247, 240, 0.35);
  color: #faf7f0;
}
.btn-outline-light:hover {
  background: rgba(250, 247, 240, 0.1);
  border-color: rgba(250, 247, 240, 0.6);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: var(--green-950);
  box-shadow: 0 8px 20px rgba(184, 151, 90, 0.28);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(184, 151, 90, 0.38);
}

.btn-sm {
  padding: 0.65rem 1.2rem;
  font-size: 0.92rem;
}

.btn-ghost {
  background: var(--cream-card);
  border: 1px solid var(--border-strong);
  color: var(--ink-soft);
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--green-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(100vh, 920px);
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 2.5rem) 0 4rem;
  background:
    radial-gradient(ellipse 70% 50% at 90% 10%, rgba(184, 151, 90, 0.08), transparent 50%),
    var(--cream);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-label);
  background: rgba(184, 151, 90, 0.08);
  margin-bottom: 1.35rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.1rem);
  color: var(--green-900);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.hero-cn {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  color: var(--gold-label);
  letter-spacing: 0.28em;
  margin-bottom: 1.25rem;
}

.hero-tagline {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  color: var(--ink-muted);
  max-width: 32rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.25rem;
}

.values-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.value-chip {
  background: var(--cream-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition);
  cursor: default;
}
.value-chip:hover {
  border-color: var(--gold);
  color: var(--green-900);
  transform: translateY(-2px);
}
.value-chip strong {
  color: var(--gold-label);
  font-weight: 600;
  margin-right: 0.35rem;
}

/* Hero profile card (mockup style) */
.hero-card {
  background: linear-gradient(160deg, var(--green-900), var(--green-850));
  border-radius: 22px;
  padding: clamp(1.6rem, 3vw, 2.25rem);
  color: #f0ebe3;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(184, 151, 90, 0.2);
}

.hero-card::before {
  content: "TER";
  position: absolute;
  right: -4%;
  bottom: -10%;
  font-family: var(--font-display);
  font-size: clamp(7rem, 16vw, 11rem);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.03);
  line-height: 0.8;
  pointer-events: none;
}

.hero-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
  position: relative;
  z-index: 1;
}

.hero-card-logo {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #faf7f0;
  letter-spacing: 0.06em;
  line-height: 1;
  text-align: left;
}
.hero-card-logo span {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
  margin-top: 0.25rem;
  font-family: var(--font-body);
  font-weight: 500;
  text-align: left;
}

.hero-card-loc {
  text-align: right;
  font-size: 0.85rem;
  color: rgba(240, 235, 227, 0.7);
}
.hero-card-loc strong {
  display: block;
  color: var(--gold-soft);
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.hero-card-label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 0.35rem;
}

.hero-card-name {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
  color: #faf7f0;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(184, 151, 90, 0.25);
  padding-top: 1.25rem;
}

.hero-card-grid p {
  font-size: 1rem;
  color: rgba(240, 235, 227, 0.9);
  line-height: 1.55;
}
.hero-card-grid a {
  color: #faf7f0;
  border-bottom: 1px solid transparent;
}
.hero-card-grid a:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* ---------- Stats strip ---------- */
.stats-strip {
  margin-top: -2rem;
  position: relative;
  z-index: 2;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: var(--cream-card);
  border-radius: var(--radius);
  padding: 0.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 12px;
  transition: background var(--transition);
}
.stat-card:hover { background: var(--cream); }

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--green-900);
  line-height: 1.1;
}
.stat-num span { color: var(--gold); }

.stat-label {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-top: 0.35rem;
  font-weight: 500;
}

/* ---------- Cards ---------- */
.cards-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.25rem;
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
  margin-top: 2.25rem;
}

.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
  margin-top: 2.25rem;
}

.card {
  background: var(--cream-card);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--border-gold);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--green-900);
  color: var(--gold-pale);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  margin-bottom: 1.15rem;
  flex-shrink: 0;
}

.card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.65rem;
  color: var(--green-900);
}

.card p {
  color: var(--ink-muted);
  font-size: 1.05rem;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.15rem;
  color: var(--gold-label);
  font-weight: 600;
  font-size: 1rem;
}
.card-link:hover { color: var(--green-900); gap: 0.65rem; }

/* Interactive flip / expand info cards */
.info-card {
  position: relative;
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition);
  cursor: pointer;
  overflow: hidden;
  min-height: 220px;
}
.info-card:hover,
.info-card:focus-within,
.info-card.open {
  border-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.info-card .info-front h3 {
  font-size: 1.35rem;
  color: var(--green-900);
  margin: 0.75rem 0 0.5rem;
}

.info-card .info-front p {
  color: var(--ink-muted);
  font-size: 1.05rem;
}

.info-card .info-more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.35s ease, margin 0.35s ease;
  margin-top: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  border-top: 0 solid transparent;
}

.info-card:hover .info-more,
.info-card.open .info-more,
.info-card:focus-within .info-more {
  max-height: 280px;
  opacity: 1;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.info-card .tap-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold-label);
}

/* Dark practice cards (mockup) */
.practice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.15rem;
  margin-top: 2.5rem;
}

.practice-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(184, 151, 90, 0.18);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: all var(--transition);
  cursor: pointer;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}
.practice-card:hover,
.practice-card.open {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-soft);
  transform: translateY(-5px);
}

.practice-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--gold-soft);
  margin-bottom: 1.25rem;
  transition: background var(--transition);
}
.practice-card:hover .practice-dot,
.practice-card.open .practice-dot {
  background: var(--gold-soft);
}

.practice-card h3 {
  color: #faf7f0;
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}

.practice-card p {
  color: rgba(240, 235, 227, 0.75);
  font-size: 1.02rem;
  flex: 1;
}

.practice-card .more {
  margin-top: 1rem;
  color: var(--gold-soft);
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.85;
}
.practice-card:hover .more { opacity: 1; }

.practice-detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.35s ease, margin 0.35s ease;
  color: rgba(240, 235, 227, 0.85);
  font-size: 0.98rem;
}
.practice-card:hover .practice-detail,
.practice-card.open .practice-detail {
  max-height: 220px;
  opacity: 1;
  margin-top: 0.85rem;
}

/* ---------- Page hero ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 3.25rem) 0 3.25rem;
  background:
    radial-gradient(ellipse 60% 60% at 85% 0%, rgba(184, 151, 90, 0.1), transparent 55%),
    linear-gradient(165deg, var(--green-900), var(--green-850));
  color: #f0ebe3;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  color: #faf7f0;
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: rgba(240, 235, 227, 0.8);
  max-width: 36rem;
  margin-inline: auto;
  font-size: 1.12rem;
  line-height: 1.7;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: rgba(240, 235, 227, 0.65);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--gold-soft); }
.breadcrumb a:hover { color: #faf7f0; }

/* ---------- About bio ---------- */
.bio-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) 1.15fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.bio-photo-wrap { position: sticky; top: calc(var(--nav-h) + 1.25rem); }

.bio-photo {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 3px solid var(--gold-pale);
  background: var(--green-800);
}
.bio-photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.bio-photo-caption {
  text-align: center;
  margin-top: 1.15rem;
}
.bio-photo-caption strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--green-900);
}
.bio-photo-caption span {
  color: var(--ink-muted);
  font-size: 1.05rem;
}

.bio-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  color: var(--green-900);
  margin-bottom: 0.25rem;
}

.bio-cn {
  color: var(--gold-label);
  letter-spacing: 0.22em;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.bio-content p {
  color: var(--ink-muted);
  margin-bottom: 1.15rem;
  font-size: 1.1rem;
  line-height: 1.75;
}

.bio-prose {
  max-width: 40rem;
}

.bio-prose p + p {
  margin-top: 0.15rem;
}

.bio-section-title {
  margin-top: 2.5rem;
  margin-bottom: 0.25rem;
  font-size: 1.55rem;
  color: var(--green-900);
  letter-spacing: 0.01em;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
  align-items: stretch;
}

.edu-card {
  background: var(--cream-card);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 6.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  box-sizing: border-box;
}
.edu-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-soft);
}
.edu-card h4 {
  font-size: 1.1rem;
  color: var(--green-900);
  margin-bottom: 0;
  font-family: var(--font-display);
  line-height: 1.35;
}
.edu-card p {
  font-size: 0.98rem;
  color: var(--ink-muted);
  margin: 0;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.tag {
  background: var(--green-900);
  color: var(--gold-pale);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform var(--transition), background var(--transition);
}
.tag:hover {
  transform: translateY(-2px);
  background: var(--green-800);
}

/* ---------- Services accordion ---------- */
.service-block {
  background: var(--cream-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  margin-bottom: 1.15rem;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.service-block:hover { border-color: var(--border-gold); }
.service-block.open { box-shadow: var(--shadow); border-color: var(--gold); }

.service-header {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 1.35rem 1.5rem;
  cursor: pointer;
  user-select: none;
  background: var(--green-900);
  color: #f0ebe3;
  transition: background var(--transition);
}
.service-header:hover { background: var(--green-800); }

.service-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--gold-soft);
  min-width: 2.2rem;
}

.service-header h2 {
  flex: 1;
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  color: #faf7f0;
  margin: 0;
}

.service-header .chevron {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(184, 151, 90, 0.4);
  display: grid;
  place-items: center;
  color: var(--gold-soft);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.service-block.open .chevron { transform: rotate(180deg); }

.service-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}
.service-block.open .service-body { max-height: 3200px; }

.service-body-inner { padding: 1.5rem 1.6rem 1.75rem; }

.service-intro {
  color: var(--ink-muted);
  margin-bottom: 1.35rem;
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 44rem;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.7rem;
  margin-top: 1rem;
  list-style: none;
  padding: 0;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  background: var(--cream);
  border-radius: var(--radius-sm);
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--ink);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.service-list li:hover {
  background: rgba(184, 151, 90, 0.1);
  border-color: var(--border-gold);
  transform: translateX(3px);
}
.service-list li::before {
  content: "◆";
  color: var(--gold);
  font-size: 0.55rem;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

/* Sub-service chips */
.sub-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.15rem;
  margin-top: 1.25rem;
}

.sub-service {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  transition: all var(--transition);
  cursor: pointer;
}
.sub-service:hover,
.sub-service.open {
  border-color: var(--gold);
  box-shadow: var(--shadow-soft);
  background: var(--cream-card);
}
.sub-service h4 {
  font-size: 1.2rem;
  color: var(--green-900);
  margin-bottom: 0.5rem;
}
.sub-service > p {
  color: var(--ink-muted);
  font-size: 1.02rem;
  line-height: 1.55;
  margin-bottom: 0;
}
.sub-service .detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.3s ease, margin 0.3s ease;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.sub-service .service-list {
  margin-top: 1.1rem;
}
.sub-service:hover .detail,
.sub-service.open .detail {
  max-height: 280px;
  opacity: 1;
  margin-top: 0.85rem;
}

.sub-service .tap-hint {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--gold-label);
  opacity: 0.85;
  letter-spacing: 0.04em;
}

/* ---------- Calculator ---------- */
.sst-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.4rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.sst-bar-text {
  font-size: 1.05rem;
  color: var(--ink-soft);
}
.sst-bar-text strong {
  color: var(--green-900);
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--ink-soft);
  user-select: none;
}

.toggle-switch {
  position: relative;
  width: 56px;
  height: 32px;
  background: #c5cbc7;
  border-radius: 999px;
  transition: background var(--transition);
  flex-shrink: 0;
}
.toggle-switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform var(--transition);
}
.toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle input:checked + .toggle-switch {
  background: var(--green-900);
}
.toggle input:checked + .toggle-switch::after {
  transform: translateX(24px);
}
.toggle input:focus-visible + .toggle-switch {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.calc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  background: var(--cream-card);
  padding: 0.55rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
}

.calc-tab {
  flex: 1;
  min-width: 150px;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink-muted);
  transition: all var(--transition);
}
.calc-tab:hover { color: var(--green-900); }
.calc-tab.active {
  background: var(--green-900);
  color: #faf7f0;
  box-shadow: 0 4px 14px rgba(15, 31, 24, 0.2);
}

.calc-panel { display: none; animation: fadeUp 0.35s ease; }
.calc-panel.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.calc-form,
.calc-result {
  background: var(--cream-card);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.calc-form h3,
.calc-result h3 {
  font-size: 1.35rem;
  color: var(--green-900);
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.form-group { margin-bottom: 1.15rem; }

.form-group label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 0.45rem;
}

.form-group .hint {
  font-size: 0.92rem;
  color: var(--ink-muted);
  margin-top: 0.35rem;
}

.input-wrap { position: relative; }

.input-prefix {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold-label);
  font-weight: 600;
  font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.05rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--cream);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  font-size: 1.05rem;
}

.form-group input.has-prefix { padding-left: 3.4rem; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184, 151, 90, 0.18);
  background: #fff;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.range-row input[type="range"] {
  flex: 1;
  padding: 0;
  accent-color: var(--green-900);
  border: none;
  background: transparent;
}
.range-val {
  min-width: 72px;
  text-align: right;
  font-weight: 700;
  color: var(--green-900);
  font-size: 1.05rem;
}

.result-total {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.25rem;
}
.result-total .label {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-pale);
  margin-bottom: 0.4rem;
}
.result-total .amount {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  font-weight: 700;
}

.result-lines { display: flex; flex-direction: column; gap: 0.55rem; }

.result-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--border-strong);
  font-size: 1.05rem;
}
.result-line:last-child { border-bottom: none; }
.result-line .lbl { color: var(--ink-muted); }
.result-line .val { font-weight: 700; color: var(--green-900); }

.formula-box {
  margin-top: 1.5rem;
  background: var(--cream);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.3rem;
  border-left: 3px solid var(--gold);
}
.formula-box h4 {
  font-size: 1.05rem;
  color: var(--green-900);
  margin-bottom: 0.55rem;
}
.formula-box p,
.formula-box li {
  font-size: 0.98rem;
  color: var(--ink-muted);
  margin-bottom: 0.35rem;
}
.formula-box ul { padding-left: 1.15rem; }
.formula-box li { list-style: disc; }
.formula-box code {
  background: rgba(15, 31, 24, 0.06);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.92rem;
  color: var(--green-800);
}

.source-box {
  margin-top: 0.85rem;
  font-size: 0.95rem;
  color: var(--ink-muted);
}
.source-box a { color: var(--gold-label); text-decoration: underline; }

.disclaimer {
  margin-top: 2rem;
  max-width: 52rem;
  margin-inline: auto;
  padding: 1.35rem 1.5rem;
  background: #fff8e8;
  border: 1px solid rgba(184, 151, 90, 0.4);
  border-radius: var(--radius);
  font-size: 1.02rem;
  color: #6b5a28;
  line-height: 1.7;
}
.disclaimer strong {
  display: block;
  margin-bottom: 0.5rem;
  color: #5a4a1e;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.disclaimer p {
  margin: 0;
  max-width: 48rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1.75rem;
}

.contact-info-card {
  background: linear-gradient(160deg, var(--green-900), var(--green-800));
  color: #f0ebe3;
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  box-shadow: var(--shadow);
}

.contact-info-card h2 {
  color: #faf7f0;
  margin-bottom: 0.5rem;
  font-size: 1.85rem;
}

.contact-info-card > p {
  color: rgba(240, 235, 227, 0.75);
  margin-bottom: 1.75rem;
  font-size: 1.05rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.4rem;
  align-items: flex-start;
}

.contact-item .ci-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(184, 151, 90, 0.15);
  color: var(--gold-soft);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1.15rem;
}

.contact-item h4 {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 0.3rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.contact-item a,
.contact-item p {
  color: #f0ebe3;
  font-size: 1.08rem;
}
.contact-item a:hover { color: var(--gold-soft); }

.contact-form-card {
  background: var(--cream-card);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.contact-form-card h3 {
  font-size: 1.55rem;
  color: var(--green-900);
  margin-bottom: 1.35rem;
}

.map-section { margin-top: 2.75rem; }

.map-intro {
  margin-bottom: 1.5rem;
}

.map-intro .section-lead {
  margin-top: 0.35rem;
}

.map-cta {
  margin-top: 1rem;
}

.sst-bar-text span {
  display: block;
  max-width: 36rem;
  line-height: 1.55;
  margin-top: 0.2rem;
}

.cta-band p {
  max-width: 36rem;
  margin-inline: auto;
  line-height: 1.7;
}

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--gold-pale);
  box-shadow: var(--shadow);
  height: min(420px, 55vw);
  min-height: 280px;
  background: var(--green-800);
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Why choose / process ---------- */
.split-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.25rem;
  counter-reset: step;
}

.process-step {
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  position: relative;
  transition: all var(--transition);
}
.process-step:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
  font-weight: 700;
  display: block;
  margin-bottom: 0.75rem;
}
.process-step h4 {
  font-size: 1.2rem;
  color: var(--green-900);
  margin-bottom: 0.45rem;
}
.process-step p {
  font-size: 1rem;
  color: var(--ink-muted);
  line-height: 1.55;
}

/* ---------- CTA ---------- */
.cta-band {
  text-align: center;
  padding: clamp(3.5rem, 6vw, 5rem) 0;
}
.cta-band h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  color: #faf7f0;
  margin-bottom: 0.85rem;
  max-width: none;
}
.cta-band p {
  color: rgba(240, 235, 227, 0.8);
  margin-bottom: 1.75rem;
  max-width: 34rem;
  margin-inline: auto;
  font-size: 1.15rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--green-950);
  color: rgba(240, 235, 227, 0.7);
  padding: 3.5rem 0 1.5rem;
  border-top: 1px solid rgba(184, 151, 90, 0.2);
  font-size: 1.02rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer .brand-name { color: #faf7f0; font-size: 1.45rem; }
.footer .brand-cn { color: var(--gold-soft); }
.footer-brand p { margin-top: 0.9rem; max-width: 280px; line-height: 1.65; }

.footer h4 {
  color: var(--gold-soft);
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.footer ul li { margin-bottom: 0.55rem; }
.footer a:hover { color: var(--gold-soft); }

/* Keep street number with road name (e.g. "Jalan Batai Laut 4") */
.footer-address .nowrap,
.nowrap {
  white-space: nowrap;
}

.footer-bottom {
  border-top: 1px solid rgba(184, 151, 90, 0.12);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.95rem;
}

/* ---------- Floating contacts ---------- */
.float-contacts {
  position: fixed;
  right: 1.15rem;
  bottom: 1.15rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.float-btn-wrap { position: relative; }

.float-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  transition: transform var(--transition), box-shadow var(--transition);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.2);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.float-btn svg {
  pointer-events: none;
  display: block;
}
.float-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.float-whatsapp { background: linear-gradient(135deg, #25d366, #128c7e); }
.float-email { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); }

.float-tooltip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--green-900);
  color: var(--gold-pale);
  font-size: 0.88rem;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  border: 1px solid rgba(184, 151, 90, 0.3);
}
.float-btn-wrap:hover .float-tooltip { opacity: 1; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Misc ---------- */
.namecard-face {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-gold);
}

.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }

.toast {
  position: fixed;
  bottom: 6.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--green-900);
  color: var(--gold-pale);
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(184, 151, 90, 0.35);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s ease;
  z-index: 1100;
  font-size: 1rem;
  max-width: min(90vw, 420px);
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 920px) {
  :root { --nav-h: 76px; }

  .hero-grid,
  .bio-grid,
  .calc-layout,
  .contact-grid,
  .split-about {
    grid-template-columns: 1fr;
  }

  .cards-3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }

  .bio-photo-wrap {
    position: static;
    max-width: 380px;
    margin-inline: auto;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--cream-soft);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    width: 100%;
    padding: 0.95rem 1rem;
    text-align: center;
    font-size: 1.1rem;
  }
  .nav-toggle { display: flex; }

  .hero-card-grid { grid-template-columns: 1fr; }
  .section-title { max-width: none; }
}

@media (max-width: 640px) {
  :root {
    --text-base: 1.0625rem; /* 17px still readable on phones */
  }

  .container { width: calc(100% - 1.5rem); }

  .cards-2,
  .cards-3,
  .cards-4,
  .edu-grid,
  .stats,
  .process-steps,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero { min-height: auto; padding-bottom: 3rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .calc-tabs { border-radius: var(--radius); }
  .calc-tab { min-width: 100%; font-size: 0.98rem; }

  .sst-bar { flex-direction: column; align-items: flex-start; }

  .float-btn { width: 52px; height: 52px; }
  .float-contacts { right: 0.85rem; bottom: 0.85rem; }

  .btn { font-size: 1rem; padding: 0.9rem 1.4rem; }
}

@media (max-width: 400px) {
  .lang-btn { padding: 0.4rem 0.5rem; font-size: 0.75rem; }
  .brand-name { font-size: 1.3rem; }
}

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