/* ── Design tokens ────────────────────────────────────────── */
:root {
  --navy:       #0b0f1a;
  --navy-800:   #111827;
  --navy-700:   #1a2236;
  --navy-600:   #243049;
  --accent:     #3b82f6;
  --accent-400: #60a5fa;
  --accent-glow:#3b82f640;
  --cyan:       #06b6d4;
  --white:      #ffffff;
  --text:       #e2e8f0;
  --text-muted: #94a3b8;
  --border:     #1e2d45;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;

  --shadow:    0 4px 24px #00000040;
  --shadow-lg: 0 16px 64px #00000060;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; }

/* ── Utilities ────────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-400) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-400);
  margin-bottom: .75rem;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.section-sub {
  color: var(--text-muted);
  margin-top: .75rem;
  font-size: 1.05rem;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.08; letter-spacing: -.03em; }
h2 { font-size: clamp(1.75rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.15; letter-spacing: -.02em; }
h2 em { font-style: normal; background: linear-gradient(135deg, var(--accent-400), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }
p  { color: var(--text-muted); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn--primary:hover {
  background: var(--accent-400);
  box-shadow: 0 0 0 6px var(--accent-glow);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-400);
}
.btn--sm { padding: .5rem 1.1rem; font-size: .875rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Cursor blink ────────────────────────────────────────── */
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.cursor-blink { animation: blink 1.1s step-end infinite; }
.cursor-blink-inline { animation: blink 1.1s step-end infinite; color: var(--accent); }

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  background: #0b0f1acc;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--border); }

.nav__logo {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.logo-svg { width: 32px; height: 32px; }
.logo-svg--sm { width: 26px; height: 26px; }
.nav__wordmark {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--white);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
}
.nav__links a:hover { color: var(--white); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

@media (max-width: 700px) {
  .nav__links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--navy-800);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    font-size: 1.4rem;
  }
  .nav__links.open { display: flex; }
  .nav__burger { display: flex; }
}

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 8rem 5rem;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
#gridCanvas {
  width: 100%;
  height: 100%;
  opacity: .35;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: #3b82f615;
  border: 1px solid #3b82f630;
  color: var(--accent-400);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .4rem .9rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
}
.badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.4)} }

.hero h1 { margin-bottom: 1.25rem; }
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2rem;
}
.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.stat__num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.04em;
}
.stat__label {
  font-size: .8rem;
  color: var(--text-muted);
}
.stat__divider {
  width: 1px;
  height: 2.5rem;
  background: var(--border);
}

/* ── AI SECTION ──────────────────────────────────────────── */
.ai-section {
  padding-block: 6rem;
  background: var(--navy-800);
  border-block: 1px solid var(--border);
}
.ai-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.ai-section__text h2 { margin-bottom: 1rem; }
.ai-section__text p { margin-bottom: 1.5rem; }

.ai-list { display: flex; flex-direction: column; gap: .75rem; margin-bottom: 2rem; }
.ai-list li {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--text);
  font-size: .95rem;
}
.ai-list li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.ai-section__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}

.ai-card {
  background: var(--navy-700);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  box-shadow: var(--shadow);
  transition: transform .25s, border-color .25s;
}
.ai-card:hover { transform: translateY(-3px); border-color: #3b82f640; }
.ai-card__icon { margin-bottom: .25rem; }
.ai-card__icon svg { width: 28px; height: 28px; }
.ai-card__label { font-size: .7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; }
.ai-card__value { font-size: .95rem; font-weight: 600; color: var(--white); }
.ai-card__value--mono { font-family: var(--font-mono); font-size: .82rem; }

.ai-terminal {
  grid-column: 1 / -1;
  width: 100%;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: .78rem;
}
.ai-terminal__bar {
  background: var(--navy-600);
  padding: .55rem .75rem;
  display: flex;
  gap: .4rem;
}
.ai-terminal__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.ai-terminal__bar span:nth-child(1) { background: #ff5f57; }
.ai-terminal__bar span:nth-child(2) { background: #febc2e; }
.ai-terminal__bar span:nth-child(3) { background: #28c840; }
.ai-terminal__body {
  padding: .875rem 1rem;
  line-height: 1.9;
  color: var(--text);
}
.t-dim  { color: var(--text-muted); }
.t-cmd  { color: var(--accent-400); }
.t-arg  { color: var(--cyan); }
.t-ok   { color: #28c840; }

@media (max-width: 900px) {
  .ai-section__inner { grid-template-columns: 1fr; }
}

/* ── SERVICES ────────────────────────────────────────────── */
.services { padding-block: 6rem; }

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--navy-800);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color .25s, transform .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mouse-x,50%) var(--mouse-y,50%), #3b82f608, transparent 60%);
  opacity: 0;
  transition: opacity .4s;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  border-color: #3b82f640;
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.service-card--featured {
  border-color: #3b82f640;
  background: linear-gradient(135deg, var(--navy-700) 0%, #0b1629 100%);
}
.service-card__icon { margin-bottom: 1.25rem; }
.service-card__icon svg { width: 40px; height: 40px; }
.service-card__badge {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-400);
  background: #3b82f618;
  border: 1px solid #3b82f630;
  padding: .2rem .6rem;
  border-radius: 99px;
  margin-bottom: .75rem;
}
.service-card h3 { margin-bottom: .6rem; color: var(--white); }
.service-card p { font-size: .9rem; margin-bottom: 1.25rem; }
.service-card__list { display: flex; flex-direction: column; gap: .4rem; }
.service-card__list li {
  font-size: .85rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}
.service-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}
.service-card__link {
  color: var(--accent-400);
  font-size: .9rem;
  font-weight: 600;
  transition: gap .2s;
}
.service-card__link:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .services__grid { grid-template-columns: 1fr; }
}

/* ── PROCESS ─────────────────────────────────────────────── */
.process {
  padding-block: 6rem;
  background: var(--navy-800);
  border-block: 1px solid var(--border);
}
.process__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process__step {
  flex: 1;
  padding: 1.5rem;
  text-align: center;
}
.step__num {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: .75rem;
}
.process__step h4 { color: var(--white); margin-bottom: .5rem; }
.process__step p { font-size: .875rem; }
.process__connector {
  width: 2px;
  height: 2px;
  flex-shrink: 0;
  align-self: stretch;
  background: linear-gradient(to bottom, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin-top: 2.5rem;
}

@media (max-width: 700px) {
  .process__steps { flex-direction: column; }
  .process__connector { width: 100%; height: 1px; margin-top: 0; background: linear-gradient(to right, transparent, var(--border) 30%, var(--border) 70%, transparent); }
}

/* ── CONTACT ─────────────────────────────────────────────── */
.contact { padding-block: 6rem; }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: flex-start;
}
.contact__text h2 { margin-bottom: .75rem; }
.contact__text p  { margin-bottom: 1.5rem; }
.contact__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--accent-400);
  font-weight: 500;
  font-size: .95rem;
  transition: color .2s;
}
.contact__link svg { width: 18px; height: 18px; }
.contact__link:hover { color: var(--white); }

.contact__form {
  background: var(--navy-800);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .375rem; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--text-muted); letter-spacing: .04em; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--navy-700);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  padding: .65rem .875rem;
  outline: none;
  transition: border-color .2s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--navy-700); }
.form__note { font-size: .78rem; color: var(--text-muted); text-align: center; }

@media (max-width: 800px) {
  .contact__inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__copy { font-size: .82rem; color: var(--text-muted); }
.footer__nav { display: flex; gap: 1.5rem; }
.footer__nav a { font-size: .85rem; color: var(--text-muted); transition: color .2s; }
.footer__nav a:hover { color: var(--white); }

/* ── Scroll reveal ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}