/* =====================================================================
   The Strategic Advisory — aiconsultancy.com.my
   Powered by Teragrid Ai · AITG Sdn Bhd
   ===================================================================== */

:root {
  --bg: #0b0f1a;
  --bg-2: #0f1424;
  --bg-3: #131a2e;
  --surface: #161e36;
  --surface-2: #1c2540;
  --line: #243056;
  --line-2: #2e3a66;

  --ink: #e8edff;
  --ink-2: #b9c2e0;
  --ink-3: #8892b8;
  --muted: #6b7497;

  --brand: #7c5cff;
  --brand-2: #22d3ee;
  --brand-3: #a78bfa;
  --accent: #f0abfc;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;

  --grad-1: linear-gradient(135deg, #7c5cff 0%, #22d3ee 100%);
  --grad-2: linear-gradient(135deg, #a78bfa 0%, #f0abfc 100%);
  --grad-3: linear-gradient(135deg, #22d3ee 0%, #34d399 100%);
  --grad-text: linear-gradient(90deg, #a78bfa 0%, #22d3ee 60%, #34d399 100%);

  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow: 0 12px 40px rgba(8, 12, 30, 0.55);
  --shadow-lg: 0 24px 80px rgba(8, 12, 30, 0.7);
  --glow: 0 0 60px rgba(124, 92, 255, 0.35);

  --container: 1200px;
  --space: clamp(1rem, 2vw, 1.5rem);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(124, 92, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 30%, rgba(34, 211, 238, 0.12), transparent 60%),
    radial-gradient(ellipse 50% 30% at 0% 60%, rgba(167, 139, 250, 0.10), transparent 60%);
  background-attachment: fixed;
}

img, svg, video { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

a {
  color: var(--brand-3);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--brand-2); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--ink);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.5rem); }
h4 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); }
p { margin: 0 0 1em; color: var(--ink-2); }

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

.muted { color: var(--ink-3); }
.text-center { text-align: center; }
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 26, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(36, 48, 86, 0.6);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand-mark { display: inline-flex; }
.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}
.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand-text em {
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 2px;
}

.primary-nav ul {
  display: flex;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.primary-nav a {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  color: var(--ink-2);
  font-size: 0.94rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease;
}
.primary-nav a:hover { background: rgba(124, 92, 255, 0.10); color: var(--ink); }
.primary-nav a.active { background: rgba(124, 92, 255, 0.16); color: var(--ink); }
.nav-cta a { color: #0b0f1a !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
  border-radius: 2px;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: rgba(11, 15, 26, 0.98);
    backdrop-filter: blur(16px);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: 2rem;
    border-top: 1px solid var(--line);
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }
  .primary-nav a { padding: 0.85rem 1rem; font-size: 1.05rem; }
  .nav-cta { margin-top: 0.6rem; }
  .nav-cta a { display: block; text-align: center; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn-sm { padding: 0.6rem 1rem; font-size: 0.88rem; }
.btn-lg { padding: 1.05rem 1.7rem; font-size: 1.05rem; }
.btn-primary {
  background: var(--grad-1);
  color: #0b0f1a;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(124, 92, 255, 0.45); color: #0b0f1a; }
.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--brand); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }

/* ---------- Sections ---------- */
.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section-lg { padding: clamp(4rem, 10vw, 8rem) 0; }
.section-sm { padding: clamp(2rem, 5vw, 3.5rem) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-2);
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.06);
  margin-bottom: 1.25rem;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-2);
  box-shadow: 0 0 10px var(--brand-2);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}
.section-head p { font-size: 1.1rem; color: var(--ink-2); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  margin-bottom: 1.4rem;
}
.hero-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-2);
  margin-bottom: 2rem;
  max-width: 580px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.hero-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.hero-stat span { font-size: 0.85rem; color: var(--ink-3); }

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin-left: auto;
}
.hero-visual svg { width: 100%; height: 100%; }

/* Floating animated orbs in background */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}
.bg-orb.orb-1 { width: 380px; height: 380px; background: #7c5cff; top: -100px; left: -100px; }
.bg-orb.orb-2 { width: 320px; height: 320px; background: #22d3ee; top: 30%; right: -120px; animation-delay: -7s; }
.bg-orb.orb-3 { width: 260px; height: 260px; background: #a78bfa; bottom: -100px; left: 30%; animation-delay: -14s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.06); }
  66% { transform: translate(-30px, 40px) scale(0.96); }
}

/* ---------- Trust strip ---------- */
.trust-strip {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.trust-label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem 2.4rem;
  align-items: center;
  color: var(--ink-3);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.trust-logos span { opacity: 0.8; transition: opacity 0.2s; }
.trust-logos span:hover { opacity: 1; color: var(--ink); }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  gap: 1.5rem;
}
.cards.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .cards.cards-3, .cards.cards-4 { grid-template-columns: 1fr; }
  .cards.cards-2 { grid-template-columns: 1fr; }
}
@media (min-width: 600px) and (max-width: 900px) {
  .cards.cards-4 { grid-template-columns: 1fr 1fr; }
}

.card {
  position: relative;
  background: linear-gradient(180deg, rgba(28, 37, 64, 0.5), rgba(22, 30, 54, 0.5));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0), rgba(34, 211, 238, 0));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: background 0.3s ease;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  box-shadow: var(--shadow-lg);
}
.card:hover::before {
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.6), rgba(34, 211, 238, 0.6));
}
.card .icon {
  width: 48px; height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 92, 255, 0.15);
  border-radius: 12px;
  margin-bottom: 1.2rem;
  color: var(--brand-2);
}
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--ink-2); font-size: 0.97rem; }
.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.1rem;
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--brand-2);
}
.card .card-link::after {
  content: '→';
  transition: transform 0.2s ease;
}
.card .card-link:hover::after { transform: translateX(4px); }

/* Service feature card variant */
.service-card {
  position: relative;
  padding: 2.2rem;
}
.service-card .badge {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: rgba(34, 211, 238, 0.14);
  color: var(--brand-2);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

/* ---------- Process / Steps ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  position: relative;
}
@media (max-width: 900px) { .process { grid-template-columns: 1fr; } }
.step {
  background: rgba(22, 30, 54, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--brand-2);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.step p { font-size: 0.92rem; margin: 0; }

/* ---------- Two-column / split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 2rem; } }
.split-visual {
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.1), rgba(34, 211, 238, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- ROI Calculator ---------- */
.calc-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: linear-gradient(180deg, rgba(28, 37, 64, 0.6), rgba(22, 30, 54, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.calc-shell-wide { grid-template-columns: 1.15fr 0.85fr; }
@media (max-width: 900px) { .calc-shell, .calc-shell-wide { grid-template-columns: 1fr; } }

.calc-group {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin: 0 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.calc-form .calc-group:not(:first-child) { margin-top: 1.6rem; }

.field-select select {
  width: 100%;
  background: rgba(11, 15, 26, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  padding: 0.7rem 0.9rem;
  font: inherit;
  font-size: 0.92rem;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2322d3ee' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field-select select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.18);
}
.calc-form label .hint {
  background: transparent;
  color: var(--ink-3);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.78rem;
  padding: 0;
}
.calc-form .field { margin-bottom: 1.4rem; }
.calc-form label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
  color: var(--ink-2);
}
.calc-form label .val {
  background: rgba(34, 211, 238, 0.14);
  color: var(--brand-2);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 0.85rem;
}
.calc-form input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  background: transparent;
}
.calc-form input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand-2) var(--pct, 50%), var(--line-2) var(--pct, 50%));
}
.calc-form input[type="range"]::-moz-range-track {
  height: 6px; border-radius: 3px;
  background: var(--line-2);
}
.calc-form input[type="range"]::-moz-range-progress {
  height: 6px; border-radius: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.calc-form input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--brand);
  margin-top: -8px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(124, 92, 255, 0.5);
}
.calc-form input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--brand);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(124, 92, 255, 0.5);
}

.calc-result {
  background: rgba(11, 15, 26, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 90px;
  align-self: start;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.calc-result-wide { padding: 1.4rem 1.6rem; }
.calc-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0.9rem 0 0.2rem;
}
.calc-row.total {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  padding-top: 0.7rem;
  margin-top: 0.2rem;
  font-weight: 600;
  color: var(--ink);
}
.calc-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--line);
  font-size: 0.78rem;
  color: var(--ink-3);
  flex-wrap: wrap;
}
.calc-meta strong { color: var(--ink-2); font-family: var(--font-display); font-weight: 600; }
@media (max-width: 900px) { .calc-result { position: static; max-height: none; } }
.calc-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin: 0.3rem 0 0.5rem;
}
.calc-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.92rem;
}
.calc-row:last-child { border-bottom: 0; }
.calc-row strong { color: var(--ink); font-family: var(--font-display); }
.calc-bar {
  margin-top: 1rem;
  height: 28px;
  background: var(--bg-3);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
}
.calc-bar > div {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: #0b0f1a;
  font-weight: 600;
  transition: width 0.4s ease;
}
.calc-bar .bar-saved { background: linear-gradient(90deg, var(--success), var(--brand-2)); }
.calc-bar .bar-remain { background: var(--line-2); color: var(--ink-3); }

.calc-tiers-block { margin-top: 2.5rem; }
.tier-table {
  background: rgba(22, 30, 54, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 920px;
  margin: 0 auto;
}
.tier-row {
  display: grid;
  grid-template-columns: 1fr 2.4fr 0.8fr 0.8fr;
  gap: 1rem;
  padding: 0.85rem 1.2rem;
  font-size: 0.92rem;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}
.tier-row:last-child { border-bottom: 0; }
.tier-row.tier-head {
  background: rgba(11, 15, 26, 0.5);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.tier-row span:first-child { color: var(--brand-2); font-weight: 600; }
.tier-row span:nth-child(3),
.tier-row span:nth-child(4) {
  text-align: right;
  font-family: var(--font-display);
  color: var(--ink);
}
@media (max-width: 700px) {
  .tier-row { grid-template-columns: 1fr 1fr; gap: 0.4rem 1rem; }
  .tier-row span:nth-child(2) { grid-column: 1 / -1; color: var(--ink-3); font-size: 0.85rem; }
  .tier-row.tier-head span:nth-child(2) { display: none; }
}

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-2);
}
.form-field input,
.form-field select,
.form-field textarea {
  background: rgba(11, 15, 26, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  color: var(--ink);
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.18);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-error { color: var(--danger); font-size: 0.82rem; }

.checkbox-field {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--ink-2);
}
.checkbox-field input { margin-top: 4px; }

.honey-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden;
}

/* ---------- Article / prose ---------- */
.prose {
  max-width: 760px;
  margin: 0 auto;
}
.prose p { font-size: 1.05rem; color: var(--ink-2); margin-bottom: 1.2em; }
.prose h2, .prose h3 { margin-top: 2em; }
.prose ul, .prose ol { color: var(--ink-2); padding-left: 1.4rem; margin-bottom: 1.2em; }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 1.2em 1.6em;
  background: rgba(124, 92, 255, 0.08);
  border-left: 3px solid var(--brand);
  border-radius: 8px;
  font-style: italic;
  color: var(--ink);
}
.prose code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--ink-3);
  font-size: 0.88rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.article-meta .pill {
  background: rgba(124, 92, 255, 0.14);
  color: var(--brand-3);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* ---------- FAQ accordion ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: rgba(22, 30, 54, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: var(--line-2); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--brand-2);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
  padding: 0 1.4rem 1.3rem;
  color: var(--ink-2);
  font-size: 0.97rem;
  line-height: 1.7;
}

/* ---------- CTA strip ---------- */
.cta-strip {
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.16), rgba(34, 211, 238, 0.12));
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 60% at 20% 50%, rgba(124, 92, 255, 0.25), transparent),
    radial-gradient(ellipse 40% 60% at 80% 50%, rgba(34, 211, 238, 0.2), transparent);
  pointer-events: none;
}
.cta-strip > * { position: relative; }
.cta-strip h2 { margin-bottom: 1rem; }
.cta-strip p { font-size: 1.1rem; margin-bottom: 1.8rem; max-width: 600px; margin-inline: auto; }

/* ---------- Notice ---------- */
.notice {
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: var(--success);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.5rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 15, 26, 0.4), rgba(8, 12, 22, 0.9));
  padding: 4rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  color: var(--ink);
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--ink-2); font-size: 0.92rem; }
.footer-links a:hover { color: var(--brand-2); }
.brand-footer { margin-bottom: 1rem; }
.powered {
  font-size: 0.8rem;
  color: var(--ink-3);
  margin-top: 1rem;
  letter-spacing: 0.04em;
}
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom .legal { font-size: 0.82rem; color: var(--ink-3); margin: 0; }
.footer-bottom a { color: var(--ink-3); }
.footer-bottom a:hover { color: var(--brand-2); }

/* ---------- Tags / chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  background: rgba(34, 211, 238, 0.1);
  color: var(--brand-2);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.chip-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem; }

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
/* .reveal animation is a progressive enhancement.
   Content is visible by default — only hidden once main.js confirms it can drive the animation
   (main.js sets `html.reveal-ready`). If main.js fails for any reason, content stays visible. */
.reveal { transition: opacity 0.7s ease, transform 0.7s ease; }
html.reveal-ready .reveal:not(.in) { opacity: 0; transform: translateY(20px); }
html.reveal-ready .reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .bg-orb { animation: none; }
}

/* ---------- Article cards ---------- */
.article-card {
  display: flex;
  flex-direction: column;
  background: rgba(22, 30, 54, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.article-card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--shadow); }
.article-card .thumb {
  aspect-ratio: 16 / 9;
  background: var(--grad-1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-card .thumb svg { width: 60%; }
.article-card .body { padding: 1.5rem; }
.article-card h3 { font-size: 1.15rem; }
.article-card p { font-size: 0.92rem; color: var(--ink-2); margin-bottom: 0.8rem; }
.article-card .meta {
  display: flex;
  gap: 0.8rem;
  font-size: 0.78rem;
  color: var(--ink-3);
  margin-bottom: 0.8rem;
}

/* ---------- Highlight number list ---------- */
.numlist {
  display: grid;
  gap: 1rem;
}
.numlist > li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  list-style: none;
}
.numlist > li::before {
  content: counter(numlist);
  counter-increment: numlist;
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--grad-1);
  color: #0b0f1a;
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
}
.numlist { counter-reset: numlist; padding: 0; }