/* ArmBot Academy — marketing + registration site.
   Dark futuristic theme: near-black ground, one indigo accent, restrained glass/glow. */

:root {
  --bg: #05070d;
  --panel: rgba(255,255,255,0.045);
  --border: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.20);
  --ink: #eef1f8;
  --ink-dim: #93a0b8;
  --ink-faint: #5c6a82;
  --accent: #5b7cff;
  --accent-2: #a4b8ff;
  --accent-shadow: rgba(91,124,255,0.35);
  --on-accent: #03040a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: 'Sora', sans-serif;
  background: var(--bg);
  color: var(--ink);
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--ink); }
h1, h2, h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0;
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.section { position: relative; scroll-margin-top: 92px; }

#bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 900px);
          mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 900px);
}

/* ---- reveal-on-scroll ---- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* ---- atmosphere ---- */
.glow {
  position: absolute; z-index: 0; pointer-events: none; filter: blur(100px); opacity: 0.28; border-radius: 50%;
  background: var(--accent);
  animation: drift 16s ease-in-out infinite;
}
.glow-2 { opacity: 0.16; animation-delay: -8s; }
@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(24px, -16px); }
}

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(5,7,13,0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { height: 34px; display: block; border-radius: 4px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--ink-dim); }
.nav-links a:hover { color: var(--ink); }
.btn-nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 14px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent); box-shadow: 0 0 0 1px rgba(255,255,255,0.12) inset;
  transition: transform .15s ease, filter .15s ease;
}
.btn-nav-cta:hover { color: var(--on-accent); filter: brightness(1.1); transform: translateY(-1px); }

/* ---- eyebrow / pills ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 13px; letter-spacing: 0.2em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.tagpill {
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--panel); border: 1px solid var(--border); color: var(--ink-dim);
}

/* ---- buttons ---- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 26px;
  border-radius: 12px; font-weight: 700; font-size: 16px; letter-spacing: 0.01em;
  background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: var(--on-accent);
  box-shadow: 0 12px 32px -12px var(--accent-shadow);
  transition: transform .15s ease, filter .15s ease;
}
.btn-primary:hover { color: var(--on-accent); filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 24px;
  border-radius: 12px; font-weight: 600; font-size: 16px;
  border: 1px solid var(--border-strong); color: var(--ink);
  transition: border-color .15s ease, transform .15s ease;
}
.btn-ghost:hover { color: var(--ink); border-color: var(--accent); transform: translateY(-1px); }

/* ---- hero ---- */
.hero { padding: 84px 0 96px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; position: relative; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.hero h1 { font-size: 54px; line-height: 1.06; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub { font-size: 18px; line-height: 1.6; color: var(--ink-dim); max-width: 540px; margin-bottom: 14px; }
.hero-tagline {
  font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 17px; letter-spacing: 0.05em;
  color: var(--ink); margin-bottom: 30px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 34px; }
.hero-facts { display: flex; gap: 28px; flex-wrap: wrap; }
.fact { display: flex; align-items: center; gap: 10px; color: var(--ink-dim); font-size: 14px; font-weight: 500; }
.fact svg { color: var(--accent); flex-shrink: 0; }

.hero-art { position: relative; }
.hero-frame {
  position: relative; border-radius: 26px; overflow: hidden; border: 1px solid var(--border-strong);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.75); z-index: 1;
}
.hero-frame img { display: block; width: 100%; height: auto; filter: grayscale(0.6) contrast(1.12) brightness(0.86); }
.hero-frame::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(155deg, color-mix(in srgb, var(--accent) 70%, transparent), rgba(5,7,13,0.75) 78%);
  mix-blend-mode: color;
}
.hero-frame::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  background: linear-gradient(180deg, transparent 55%, rgba(5,7,13,0.6));
}
.hero-badge {
  position: absolute; z-index: 6; left: -18px; bottom: -20px; display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: 16px; background: rgba(9,11,20,0.92); backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong); box-shadow: 0 18px 40px -18px rgba(0,0,0,0.6);
}
.hero-badge img { height: 22px; display: block; }
.hero-badge-title { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 14px; color: var(--ink); }
.hero-badge-sub { font-size: 12px; color: var(--ink-faint); }
.hero-chip {
  position: absolute; z-index: 6; right: 18px; top: 18px; padding: 10px 16px; border-radius: 12px;
  background: rgba(9,11,20,0.92); backdrop-filter: blur(10px); border: 1px solid var(--border-strong);
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 14px; color: var(--ink); letter-spacing: 0.04em;
}

/* ---- about ---- */
.about { padding: 88px 0; }
.about-top { max-width: 640px; margin-bottom: 52px; }
.about h2 { font-size: 38px; line-height: 1.15; margin-bottom: 16px; }
.lead { font-size: 17px; color: var(--ink-dim); line-height: 1.65; margin: 0; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 44px; }
.value-card {
  padding: 26px; border-radius: 18px; background: var(--panel); border: 1px solid var(--border);
  transition: border-color .2s ease, transform .2s ease;
}
.value-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.value-card .icon-chip { margin-bottom: 16px; }
.value-card h3 { font-size: 19px; margin-bottom: 8px; color: var(--ink); font-family: 'Sora', sans-serif; font-weight: 600; }
.value-card p { font-size: 14.5px; color: var(--ink-dim); line-height: 1.55; margin: 0; }
.quote {
  display: flex; align-items: center; gap: 18px; padding: 24px 28px; border-radius: 16px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 12%, transparent), rgba(255,255,255,0.02));
  border: 1px solid var(--border); flex-wrap: wrap;
}
.quote p { font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 21px; color: var(--ink); margin: 0; flex: 1; }
.quote span { font-size: 13px; color: var(--ink-faint); white-space: nowrap; }

/* ---- icon chip ---- */
.icon-chip {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--accent); flex-shrink: 0;
}
.icon-chip-lg { width: 56px; height: 56px; }

/* ---- modules ---- */
.modules { padding: 88px 0; }
.section-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.section-top h2 { font-size: 38px; max-width: 560px; line-height: 1.15; }
.section-top p { color: var(--ink-dim); font-size: 15px; max-width: 360px; margin: 0; }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.module-card {
  padding: 24px 22px; border-radius: 16px; background: var(--panel); border: 1px solid var(--border);
  transition: border-color .15s ease, transform .15s ease;
}
.module-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.module-card .icon-chip { margin-bottom: 16px; }
.module-card h3 { font-size: 16.5px; font-family: 'Sora', sans-serif; font-weight: 600; color: var(--ink); line-height: 1.3; margin-bottom: 6px; }
.module-card p { font-size: 13.5px; color: var(--ink-dim); line-height: 1.5; margin: 0; }
.module-wide {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 26px;
  padding: 26px 28px; border-radius: 16px; background: var(--panel); border: 1px solid var(--border-strong);
  transition: transform .15s ease;
}
.module-wide:hover { transform: translateY(-2px); }
.module-wide h3 { font-size: 18px; margin-bottom: 6px; font-family: 'Sora', sans-serif; font-weight: 600; }
.module-wide p { font-size: 14px; color: var(--ink-dim); margin: 0; max-width: 640px; line-height: 1.55; }

/* ---- pricing ---- */
.pricing { padding: 88px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.price-card {
  position: relative; overflow: hidden; border-radius: 22px; padding: 32px; border: 1px solid var(--border);
  background: var(--panel);
}
.price-child { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.price-top { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.price-photo {
  width: 64px; height: 64px; border-radius: 999px; object-fit: cover; border: 2px solid var(--border-strong);
  filter: grayscale(0.25) contrast(1.05);
}
.price-label { font-weight: 600; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.price-sub { font-size: 13.5px; color: var(--ink-faint); margin-top: 2px; }
.price-amount { display: flex; align-items: baseline; gap: 8px; margin-bottom: 24px; }
.price-amount .rm { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 46px; color: var(--ink); }
.price-amount .per { font-size: 15px; color: var(--ink-dim); }
.price-list { list-style: none; margin: 0 0 26px; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.price-list li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--ink-dim); }
.price-list li svg { flex-shrink: 0; color: var(--accent); }
.price-cta {
  display: inline-flex; width: 100%; align-items: center; justify-content: center; height: 50px; border-radius: 11px;
  font-weight: 700; font-size: 15.5px; letter-spacing: 0.01em;
  transition: transform .15s ease, filter .15s ease, background .15s ease;
}
.price-cta-solid { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: var(--on-accent); }
.price-cta-solid:hover { color: var(--on-accent); filter: brightness(1.08); transform: translateY(-1px); }
.price-cta-outline { background: transparent; border: 1px solid var(--border-strong); color: var(--ink); }
.price-cta-outline:hover { color: var(--ink); border-color: var(--accent); transform: translateY(-1px); }

/* ---- faq ---- */
.faq { padding: 88px 0; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.faq-item { padding: 24px 26px; border-radius: 16px; background: var(--panel); border: 1px solid var(--border); }
.faq-item h3 { font-size: 16px; font-family: 'Sora', sans-serif; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.faq-item p { font-size: 14px; color: var(--ink-dim); line-height: 1.55; margin: 0; }

/* ---- register ---- */
.register { padding: 88px 0 100px; }
.register-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start; }
.register-copy h2 { font-size: 36px; line-height: 1.15; margin-bottom: 16px; }
.register-copy p { color: var(--ink-dim); font-size: 15.5px; line-height: 1.65; margin-bottom: 24px; }
.contact-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 14.5px; color: var(--ink-dim); }
.contact-row svg { color: var(--accent); flex-shrink: 0; }
.contact-row a { color: var(--ink-dim); }
.contact-row a:hover { color: var(--accent); }

.form-panel { padding: 30px; border-radius: 22px; background: var(--panel); border: 1px solid var(--border-strong); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.toggle { display: flex; gap: 8px; padding: 6px; border-radius: 12px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); margin-bottom: 22px; }
.toggle-btn {
  flex: 1; height: 44px; border-radius: 8px; font-family: 'Sora', sans-serif; font-weight: 600; font-size: 15px;
  display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--ink-dim);
  background: transparent; border: none; transition: background .15s ease, color .15s ease;
}
.toggle-btn.is-active { background: var(--accent); color: var(--on-accent); }
.toggle-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-dim); letter-spacing: 0.02em; }
.field input, .field select, .field textarea {
  height: 46px; border-radius: 10px; border: 1px solid var(--border-strong); background: rgba(255,255,255,0.03);
  color: var(--ink); padding: 0 14px; font-family: 'Sora', sans-serif; font-size: 14.5px;
}
.field textarea { height: 92px; padding: 12px 14px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #7a89a4; }
.form-privacy { margin: 14px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--ink-faint); text-align: center; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field select option { background: #0b0f1d; color: var(--ink); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  width: 100%; height: 52px; border-radius: 11px; margin-top: 8px; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Sora', sans-serif; font-weight: 700; font-size: 16px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: var(--on-accent);
  transition: transform .15s ease, filter .15s ease, opacity .15s ease;
}
.form-submit:hover { filter: brightness(1.08); transform: translateY(-1px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-status { margin-top: 14px; font-size: 14px; text-align: center; min-height: 20px; }
.form-status.success { color: #4ade80; }
.form-status.error { color: #ff8080; }

/* ---- trainer ---- */
.trainer { padding: 0 0 88px; }
.trainer-card { padding: 40px; border-radius: 24px; background: var(--panel); border: 1px solid var(--border-strong); }
.trainer-header { display: flex; align-items: center; gap: 24px; margin-bottom: 24px; flex-wrap: wrap; }
.trainer-badge {
  width: 72px; height: 72px; border-radius: 18px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--accent);
}
.trainer-card h2 { font-size: 30px; margin-bottom: 10px; }
.trainer-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.trainer-bio { font-size: 15.5px; color: var(--ink-dim); line-height: 1.7; margin: 0 0 24px; max-width: 820px; }
.trainer-credentials {
  list-style: none; margin: 0 0 22px; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.trainer-credentials li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--ink); }
.trainer-credentials li svg { color: var(--accent); flex-shrink: 0; }
.trainer-linkedin {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 600; color: var(--ink-dim);
}
.trainer-linkedin svg { color: var(--accent); flex-shrink: 0; }
.trainer-linkedin:hover { color: var(--accent); }
@media (max-width: 560px) {
  .trainer-card { padding: 28px; }
  .trainer-credentials { grid-template-columns: 1fr; }
}

/* ---- footer ---- */
.footer { padding: 56px 0 32px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { height: 30px; margin-bottom: 16px; display: block; }
.footer-tag { color: var(--ink-dim); font-size: 14.5px; line-height: 1.6; max-width: 320px; margin: 0; }
.footer-col h4 { font-weight: 600; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 14.5px; color: var(--ink-dim); margin-bottom: 10px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; color: var(--ink-faint); flex-wrap: wrap; gap: 12px; }

@media (max-width: 980px) {
  .hero-grid, .register-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .about-grid, .module-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid, .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 40px; }
  .module-wide { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .about-grid, .module-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
}