:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #ff6b2b;
  --accent-glow: rgba(255, 107, 43, 0.12);
  --accent-border: rgba(255, 107, 43, 0.25);
  --border: #222235;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 5rem;
  background:
    radial-gradient(ellipse 70% 60% at 80% 30%, var(--accent-glow), transparent),
    radial-gradient(ellipse 50% 40% at 15% 85%, rgba(255, 167, 38, 0.05), transparent),
    var(--bg);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero-headline {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.15s ease;
  cursor: pointer;
}

.hero-cta:hover {
  background: #e55a1a;
  transform: translateY(-1px);
}

/* Hero code block */
.hero-graphic {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-code-block {
  background: var(--bg-elevated);
  border: 1px solid var(--accent-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-border);
  width: 100%;
  max-width: 420px;
}

.code-bar {
  background: var(--bg-card);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid var(--accent-border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.code-filename {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-dim);
  margin-left: 0.6rem;
}

.code-body {
  padding: 1.5rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 2.1;
}

.code-line { display: flex; gap: 0.5rem; }
.code-key { color: #60a5fa; }
.code-str { color: #a3e635; }
.code-bool { color: #fb923c; }

/* ===========================
   PRODUCTS
   =========================== */
.products {
  padding: 7rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.products-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
  text-align: center;
  margin-bottom: 3rem;
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem;
  transition: border-color 0.25s ease;
}

.product-card:hover {
  border-color: var(--accent-border);
}

.product-card--academy {
  background: linear-gradient(135deg, #16161f 0%, #1a1a0f 100%);
  border-color: rgba(255, 167, 38, 0.2);
}

.product-card--academy:hover {
  border-color: rgba(255, 167, 38, 0.4);
}

.product-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.product-card--academy .product-tag {
  color: #ffa726;
}

.product-name {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.product-desc {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.product-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--fg-muted);
}

.check-icon {
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.product-card--academy .check-icon {
  color: #ffa726;
}

/* ===========================
   FEATURES
   =========================== */
.features {
  padding: 6rem 2rem 8rem;
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid #1e1e2e;
}

.features-header {
  text-align: center;
  margin-bottom: 5rem;
}

.features-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 4rem;
}

.feature-item {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid #1a1a28;
  align-items: start;
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  padding-top: 0.3rem;
}

.feature-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-body p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ===========================
   LEARN MORE (FORM)
   =========================== */
.learn-more {
  padding: 7rem 2rem 8rem;
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, var(--accent-glow), transparent),
    var(--bg);
}

.lm-inner {
  max-width: 680px;
  margin: 0 auto;
}

.lm-head {
  text-align: center;
  margin-bottom: 3.5rem;
}

.lm-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.lm-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.lm-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.lm-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

.form-input {
  background: var(--bg-elevated);
  border: 1px solid #2a2a3e;
  border-radius: 6px;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s ease;
  width: 100%;
}

.form-input::placeholder { color: var(--fg-dim); }
.form-input:focus { border-color: var(--accent); }

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.radio-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid #2a2a3e;
  border-radius: 6px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.radio-option:hover {
  border-color: var(--accent-border);
  background: #1a1a25;
}

.radio-option input[type="radio"] {
  accent-color: var(--accent);
  margin-top: 0.2rem;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.radio-label {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
  flex: 1;
}

.form-message {
  font-size: 0.88rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  display: none;
}

.form-message--error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.form-message--success {
  display: block;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.25);
  color: #86efac;
}

.lm-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.9rem 2rem;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s ease, transform 0.15s ease;
}

.lm-submit:hover:not(:disabled) {
  background: #e55a1a;
  transform: translateY(-1px);
}

.lm-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hidden { display: none; }

/* ===========================
   FOOTER
   =========================== */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid #1e1e2e;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.footer-stripe {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--accent-border);
  border-radius: 2px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--fg-dim);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--fg-dim);
  margin-top: 0.25rem;
}

/* ===========================
   MOBILE
   =========================== */
@media (max-width: 768px) {
  .hero {
    padding: 5rem 1.5rem 4rem;
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-headline { font-size: 2.2rem; }
  .hero-graphic { display: none; }

  .products { padding: 4rem 1.5rem; }
  .products-grid { grid-template-columns: 1fr; }
  .product-card { padding: 2rem; }

  .features { padding: 4rem 1.5rem 5rem; }
  .features-grid { grid-template-columns: 1fr; gap: 0; }
  .feature-item { padding: 1.5rem 0; }

  .learn-more { padding: 4rem 1.5rem 5rem; }
  .lm-form { padding: 1.75rem 1.25rem; }
  .form-row { grid-template-columns: 1fr; }

  .footer { padding: 2rem 1.5rem; }
}