:root {
  --bg: #0a0a0c;
  --bg-raised: #111114;
  --bg-card: #16161a;
  --bg-card-hover: #1c1c21;
  --border: #2a2a30;
  --border-subtle: #1e1e24;
  --text-primary: #e8e6e1;
  --text-secondary: #9a9890;
  --text-muted: #6a6860;
  --accent: #d4883a;
  --accent-dim: #b06e28;
  --accent-glow: rgba(212, 136, 58, 0.08);
  --green: #4a9e6e;
  --red: #c45c4a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 48px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}
.logo {
  font-family: 'IBM Plex Mono', monospace; font-weight: 600; font-size: 14px;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-primary);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-right { display: flex; gap: 32px; align-items: center; }
.nav-link {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-secondary); text-decoration: none;
  transition: color 0.25s;
}
.nav-link:hover { color: var(--text-primary); }
.nav-cta {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); text-decoration: none;
  padding: 10px 24px; border: 1px solid var(--accent-dim); transition: all 0.25s;
}
.nav-cta:hover { background: var(--accent); color: var(--bg); }

/* ─── SECTIONS ─── */
section { padding: 120px 48px; max-width: 1200px; margin: 0 auto; }
.section-divider {
  width: 100%; height: 1px; background: var(--border-subtle);
  max-width: 1200px; margin: 0 auto;
}
.section-label {
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.section-title {
  font-family: 'IBM Plex Sans', sans-serif; font-size: clamp(24px, 3vw, 36px);
  font-weight: 600; line-height: 1.2; color: var(--text-primary); margin-bottom: 16px;
}
.section-desc {
  font-size: 16px; color: var(--text-secondary); max-width: 640px;
  margin-bottom: 56px; line-height: 1.65;
}
.subsection-title {
  font-family: 'IBM Plex Sans', sans-serif; font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600; color: var(--text-primary); margin-bottom: 24px;
}
section.tight-top { padding-top: 0; }

/* ─── PROSE ─── */
.prose { max-width: 720px; }
.prose p {
  font-family: 'IBM Plex Serif', serif; font-size: 16px; line-height: 1.75;
  color: var(--text-secondary); margin-bottom: 20px;
}
.prose p:last-child { margin-bottom: 0; }
.prose h3 {
  font-family: 'IBM Plex Sans', sans-serif; font-size: 18px; font-weight: 600;
  color: var(--text-primary); margin-top: 32px; margin-bottom: 12px;
}
.prose ul, .prose ol { margin: 0 0 20px 24px; }
.prose li {
  font-family: 'IBM Plex Serif', serif; font-size: 16px; line-height: 1.75;
  color: var(--text-secondary); margin-bottom: 8px;
}
.prose strong { color: var(--text-primary); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-dim); }
.prose a:hover { color: var(--text-primary); border-color: var(--text-primary); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 16px 32px; text-decoration: none; cursor: pointer;
  transition: all 0.25s; white-space: nowrap; border: 1px solid;
}
.btn-primary {
  background: var(--accent); border-color: var(--accent); color: var(--bg);
}
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }
.btn-secondary {
  background: transparent; border-color: var(--accent-dim); color: var(--accent);
}
.btn-secondary:hover { background: var(--accent); color: var(--bg); }
.btn-lg { padding: 18px 36px; font-size: 13px; }

/* ─── FORMS ─── */
.form-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.form-label {
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted);
}
.form-label .optional {
  color: var(--text-muted); text-transform: none; letter-spacing: 0;
  font-size: 10px; margin-left: 6px;
}
.form-input, .form-textarea, .form-select {
  padding: 14px 16px; background: var(--bg-raised); border: 1px solid var(--border);
  color: var(--text-primary); font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px; outline: none; transition: border-color 0.25s;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--accent-dim); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-hint {
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--text-muted);
}
.form-error {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--red);
  margin-top: 8px;
}
.form-success {
  font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--green);
  padding: 16px 0;
}

/* ─── INLINE (NEWSLETTER) FORM ─── */
.inline-form { display: flex; gap: 0; max-width: 520px; }
.inline-form input {
  flex: 1; padding: 16px 20px; background: var(--bg-raised); border: 1px solid var(--border);
  border-right: none; color: var(--text-primary); font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px; outline: none; transition: border-color 0.25s;
}
.inline-form input::placeholder { color: var(--text-muted); }
.inline-form input:focus { border-color: var(--accent-dim); }
.inline-form button {
  padding: 16px 32px; background: var(--accent); border: 1px solid var(--accent);
  color: var(--bg); font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  cursor: pointer; transition: all 0.25s; white-space: nowrap;
}
.inline-form button:hover { background: var(--accent-dim); border-color: var(--accent-dim); }

/* ─── FOOTER ─── */
footer {
  padding: 56px 48px 40px; border-top: 1px solid var(--border-subtle);
  max-width: 1296px; margin: 0 auto;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr auto;
  gap: 48px; align-items: start; margin-bottom: 32px;
}
.footer-col-title {
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-primary); margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--text-muted);
  text-decoration: none; transition: color 0.25s;
}
.footer-links a:hover { color: var(--text-primary); }
.footer-bio {
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--text-muted);
  line-height: 1.6; margin-top: 12px; max-width: 360px;
}
.footer-brand {
  font-family: 'IBM Plex Mono', monospace; font-weight: 600; font-size: 14px;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-primary);
}
.footer-brand span { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border-subtle);
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--text-muted);
}
.footer-linkedin { color: var(--text-muted); transition: color 0.25s; display: inline-flex; }
.footer-linkedin:hover { color: var(--text-primary); }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-right { gap: 16px; }
  .nav-link { display: none; }
  section { padding: 80px 24px; }
  footer { padding: 40px 24px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .inline-form { flex-direction: column; }
  .inline-form input { border-right: 1px solid var(--border); border-bottom: none; }
}