/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0D1B2A;
  --bg-card:     #112236;
  --bg-elevated: #162D44;
  --accent:      #29B6F6;
  --accent-glow: rgba(41, 182, 246, 0.15);
  --text:        #E8F0F7;
  --text-muted:  #7A9AB8;
  --border:      rgba(41, 182, 246, 0.15);
  --radius:      12px;
  --radius-sm:   6px;
  --font:        system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

.accent { color: var(--accent); }
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-muted);
  font-size: 18px;
  margin-bottom: 56px;
}

h1, h2, h3 { line-height: 1.2; }
h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
h3 { font-size: 20px; margin-bottom: 12px; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary.btn-full { width: 100%; text-align: center; padding: 16px; font-size: 16px; }

.btn-ghost {
  display: inline-block;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-nav {
  background: var(--accent);
  color: var(--bg) !important;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 14px;
  transition: opacity 0.2s;
}
.btn-nav:hover { opacity: 0.85; }

/* ── Nav ─────────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 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;
}
.logo { display: flex; align-items: center; text-decoration: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(41,182,246,0.08) 0%, transparent 70%),
    url('assets/background_1.png') center/cover no-repeat;
  opacity: 0.6;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.hero h1 {
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 24px;
  max-width: 700px;
}
.hero-sub {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:1} }

/* ── About ───────────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}
.about-text p { color: var(--text-muted); margin-bottom: 16px; }
.about-text strong { color: var(--text); }
.values-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.value-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 100px;
  background: var(--accent-glow);
}
.hex-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  box-shadow: 0 0 60px rgba(41,182,246,0.06);
}
.hex-logo { width: 100px; height: 100px; object-fit: contain; margin-bottom: 20px; }
.hex-tagline { color: var(--text-muted); font-size: 14px; letter-spacing: 1px; }

/* ── Services ────────────────────────────────────────────────────────────── */
.services { background: var(--bg-card); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(41,182,246,0.08);
}
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { color: var(--text); }
.service-card p { color: var(--text-muted); margin-bottom: 20px; font-size: 15px; }
.service-list { list-style: none; }
.service-list li {
  color: var(--text-muted);
  font-size: 14px;
  padding: 4px 0 4px 20px;
  position: relative;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ── Promise ─────────────────────────────────────────────────────────────── */
.promise {
  background: linear-gradient(135deg, rgba(41,182,246,0.05) 0%, transparent 60%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.promise-inner { text-align: center; }
.promise-words {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.promise-words span {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--accent);
}
.promise-inner p { color: var(--text-muted); font-size: 18px; }

/* ── Contact ─────────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info { padding-top: 8px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.contact-item svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.contact-tagline {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.optional { font-weight: 400; color: var(--text-muted); opacity: 0.7; }
.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  padding: 12px 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.5; }

.form-privacy {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}
.form-privacy input[type="checkbox"] { margin-top: 3px; accent-color: var(--accent); flex-shrink: 0; }
.form-privacy a { color: var(--accent); text-decoration: none; }
.form-privacy a:hover { text-decoration: underline; }

.form-status {
  font-size: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: none;
}
.form-status.success { display: block; background: rgba(41,182,246,0.1); color: var(--accent); border: 1px solid var(--border); }
.form-status.error { display: block; background: rgba(239,68,68,0.1); color: #F87171; border: 1px solid rgba(239,68,68,0.2); }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text-muted); font-size: 13px; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .hex-card { padding: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 38px; }
  .hero-actions { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .promise-words { gap: 16px; }
  .footer-inner { flex-direction: column; text-align: center; }
}