/* ============================================================
   InternetSVC — Global Stylesheet
   ============================================================ */

:root {
  --bg-deep:     #07091a;
  --bg-dark:     #0d1128;
  --bg-card:     #111830;
  --bg-card-alt: #162040;
  --accent:      #00d4ff;
  --accent-dim:  #0099cc;
  --accent-glow: rgba(0, 212, 255, 0.12);
  --text:        #dce6f5;
  --text-muted:  #7a90b8;
  --text-faint:  #3e4f70;
  --border:      #1c2b47;
  --white:       #ffffff;

  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Courier New', monospace;

  --radius:  8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 0 32px rgba(0, 212, 255, 0.15);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ── Typography ──────────────────────────────────────────── */
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { color: var(--text-muted); }

.accent { color: var(--accent); }
.lead { font-size: 1.15rem; color: var(--text); }

/* ── Layout ──────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
section { padding: 5rem 0; }

/* ── Nav ─────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
}
.nav-logo .logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--bg-deep);
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); text-decoration: none; }
.nav-links a.active { color: var(--accent); }
.nav-cta {
  background: var(--accent);
  color: var(--bg-deep) !important;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 700 !important;
  transition: background 0.2s, transform 0.15s !important;
}
.nav-cta:hover { background: var(--accent-dim) !important; transform: translateY(-1px); text-decoration: none !important; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); box-shadow: var(--shadow-accent); text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-glow); transform: translateY(-2px); text-decoration: none; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  padding: 7rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-40%);
  width: 800px; height: 800px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.07) 0%, transparent 65%);
  pointer-events: none;
}
.hero-content {
  max-width: 720px;
  position: relative;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}
.hero h1 { margin-bottom: 1.25rem; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .tagline {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.hero .tagline span { color: var(--accent); }
.hero p { font-size: 1.1rem; margin-bottom: 2.25rem; max-width: 560px; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── SVC Pillars ─────────────────────────────────────────── */
.pillars { background: var(--bg-dark); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.pillar-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.pillar-letter {
  font-size: 4rem;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.15;
  position: absolute;
  top: 0.75rem; right: 1.25rem;
  line-height: 1;
  font-family: var(--font-mono);
}
.pillar-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.pillar-card h3 { color: var(--white); margin-bottom: 0.5rem; }
.pillar-card h3 .initial { color: var(--accent); }

/* ── How It Works ────────────────────────────────────────── */
.how-it-works { background: var(--bg-deep); }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 3.5rem; }
.section-header h2 { margin-bottom: 0.75rem; }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  counter-reset: steps;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  counter-increment: steps;
  position: relative;
}
.step::before {
  content: counter(steps, decimal-leading-zero);
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}
.step h3 { color: var(--white); margin-bottom: 0.5rem; }
.step-icon { font-size: 1.75rem; margin-bottom: 0.75rem; }

/* ── Features ────────────────────────────────────────────── */
.features { background: var(--bg-dark); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}
.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s;
}
.feature-item:hover { border-color: rgba(0,212,255,0.4); }
.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.feature-item h3 { color: var(--white); margin-bottom: 0.25rem; font-size: 1rem; }

/* ── CTA Banner ──────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, #0d1a3a 0%, #0a1428 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 4.5rem 0;
}
.cta-banner h2 { margin-bottom: 1rem; }
.cta-banner p { margin-bottom: 2rem; }
.cta-banner .btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Footer ──────────────────────────────────────────────── */
footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
}
.footer-logo .logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--accent);
  color: var(--bg-deep);
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 900;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent); text-decoration: none; }
.footer-copy { color: var(--text-faint); font-size: 0.85rem; }

/* ── About Page ──────────────────────────────────────────── */
.page-hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin-bottom: 1rem; }
.about-section { background: var(--bg-deep); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}
.about-text h2 { margin-bottom: 1.25rem; }
.about-text p { margin-bottom: 1rem; }
.mission-list { margin: 1.25rem 0; display: flex; flex-direction: column; gap: 0.75rem; }
.mission-item {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.mission-item .mi-letter {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-mono);
  flex-shrink: 0;
  width: 1.5rem;
  margin-top: 0.1rem;
}
.mission-item p { margin: 0; }
.mission-item strong { color: var(--white); display: block; margin-bottom: 0.15rem; }

.product-teaser {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.product-teaser::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
}
.coming-soon-badge {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.product-teaser h3 { color: var(--white); margin-bottom: 0.75rem; font-size: 1.35rem; }
.product-specs { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--text-muted); }
.spec-value { color: var(--text); font-weight: 500; }
.product-teaser .device-art {
  margin: 1.5rem 0 1rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  line-height: 1.9;
}

/* ── Contact Page ────────────────────────────────────────── */
.contact-section { background: var(--bg-deep); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  margin-top: 3rem;
  align-items: start;
}
.contact-info h2 { margin-bottom: 0.75rem; }
.contact-info p { margin-bottom: 1.5rem; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
  transition: border-color 0.2s;
}
.contact-detail:hover { border-color: rgba(0,212,255,0.4); }
.contact-detail .cd-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 0.05rem; }
.contact-detail .cd-label { font-size: 0.78rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.07em; font-weight: 600; }
.contact-detail .cd-value { color: var(--text); font-size: 0.95rem; }
.contact-detail .cd-value a { color: var(--accent); }

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}
.contact-form-wrap h3 { color: var(--white); margin-bottom: 1.75rem; font-size: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.7rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group select option { background: var(--bg-dark); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; padding: 0.85rem; font-size: 1rem; }
.form-note { font-size: 0.82rem; color: var(--text-faint); margin-top: 0.75rem; text-align: center; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links .nav-cta { display: none; }
  .pillars-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .nav-links { gap: 1rem; }
  section { padding: 3.5rem 0; }
}