/*
 * Nexio Landing Page — Design System
 * Dark navy, cyan accent, Space Grotesk headings, Inter body
 */

:root {
  --bg:            #070d1a;
  --bg-section:    #0a1628;
  --bg-card:       #0d1b33;
  --accent:        #00d4d4;
  --accent-bg:     rgba(0, 212, 212, 0.08);
  --accent-border: rgba(0, 212, 212, 0.2);
  --text:          #e2e8f0;
  --text-muted:    #94a3b8;
  --text-dim:      #64748b;
  --border:        rgba(255, 255, 255, 0.08);
  --border-mid:    rgba(255, 255, 255, 0.12);
  --font-body:     'Inter', system-ui, sans-serif;
  --font-heading:  'Space Grotesk', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --radius:        10px;
  --max-w:         1140px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 110px; }
select option { background: var(--bg-card); color: var(--text); }

/* ── Layout ── */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--text);
  font-size: 0.875rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-mid);
  transition: border-color 0.15s;
}
.btn-ghost:hover { border-color: var(--text-muted); }

/* ── NAV ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 13, 26, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}
.site-nav.is-scrolled {
  background: rgba(7, 13, 26, 0.94);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.03em;
}
.nav-logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent), #0066cc);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.nav-links a { transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { font-size: 0.85rem; padding: 0.5rem 1.1rem; }

/* ── HERO ── */
.hero {
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/nexio-cover.png') center / cover no-repeat;
  opacity: 0.06;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.hero-badge::before { content: '●'; font-size: 0.45rem; }
.hero-h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.07;
  margin-bottom: 1.1rem;
  letter-spacing: -0.02em;
}
.hero-h1 em { color: var(--accent); font-style: normal; }
.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  max-width: 420px;
}
.hero-btns {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}
.hero-trust {
  display: flex;
  gap: 1.4rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.hero-trust span::before { content: '✓ '; color: var(--accent); }

.terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.term-dots { display: flex; gap: 5px; margin-bottom: 0.75rem; }
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-dot:nth-child(1) { background: #ff5f57; }
.term-dot:nth-child(2) { background: #febc2e; }
.term-dot:nth-child(3) { background: #28c840; }
.term-line { color: var(--text-dim); }
.term-line .c-cyan  { color: var(--accent); }
.term-line .c-green { color: #22c55e; }
.term-line .c-dim   { color: #475569; }

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 1rem;
}
.metric-card .mc-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}
.metric-card .mc-value {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.metric-card .mc-sub { font-size: 0.68rem; color: var(--text-dim); margin-top: 0.2rem; }

/* ── Section base ── */
.section { padding: 5rem 0; background: var(--bg-section); }
.section.alt { background: var(--bg); }

.section-head { margin-bottom: 3rem; }
.section-head h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.section-head p { font-size: 1rem; color: var(--text-muted); max-width: 540px; line-height: 1.65; }

/* ── FIVE PRINCIPLES ── */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}
.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s;
}
.principle-card:hover { border-color: var(--accent-border); }
.principle-card .pc-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #334155;
  margin-bottom: 0.75rem;
}
.principle-card .pc-icon { font-size: 1.5rem; margin-bottom: 0.6rem; }
.principle-card h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 0.4rem;
}
.principle-card p { font-size: 0.78rem; color: var(--text-dim); line-height: 1.55; }

/* ── FEATURES BENTO ── */
.bento {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.75rem;
}
.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}
.bento-card.bento-large { grid-row: span 2; }
.bento-card .bc-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.bento-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.bento-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }
.flow-strip {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  flex-wrap: wrap;
}
.flow-pill { border: 1px solid #334155; border-radius: 4px; padding: 0.2rem 0.5rem; color: var(--text-dim); }
.flow-pill.active { border-color: var(--accent); color: var(--accent); }
.flow-arrow { color: #334155; }
.feature-list { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.35rem; }
.feature-list li {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}
.feature-list li::before { content: '→'; color: var(--accent); flex-shrink: 0; }

/* ── PROCESS TIMELINE ── */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 18px;
  left: calc(12.5% + 18px);
  right: calc(12.5% + 18px);
  height: 1px;
  background: #1a2744;
}
.timeline-step { padding: 0 1.25rem; }
.step-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}
.timeline-step h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.timeline-step p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.55; margin-bottom: 0.4rem; }
.step-week {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: #334155;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── STATS STRIP ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
}
.stat-card .stat-value {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.stat-card .stat-label { font-size: 0.85rem; color: var(--text-muted); line-height: 1.4; }

/* ── CONTACT FORM ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}
.contact-pitch h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.contact-pitch p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 1.75rem; }
.contact-points { display: flex; flex-direction: column; gap: 0.65rem; }
.contact-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.contact-points li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: 14px;
  padding: 2rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
#bookingFields {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.contact-status {
  font-size: 0.85rem;
  color: var(--accent);
  min-height: 1.2em;
  margin-top: 0.5rem;
}
.contact-status.is-error { color: #f87171; }

/* ── FOOTER ── */
.site-footer {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-brand .nav-logo { margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.55; max-width: 220px; }
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul li a { font-size: 0.85rem; color: var(--text-dim); transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.footer-bottom-links a {
  color: var(--text-dim);
  transition: color 0.15s;
}
.footer-bottom-links a:hover {
  color: var(--text);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: 1fr; }
  .bento-card.bento-large { grid-row: span 1; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline::before { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .hero-h1 { font-size: 2.1rem; }
  .section-head h2 { font-size: 1.7rem; }
  .principles-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  #bookingFields { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}