/* Gentle Grace - Computer Systems Design
   WAVES layout — bold teal/amber/coral scheme
   ────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0e1a;
  --surface: #111827;
  --card: #1a2236;
  --primary: #00d4ff;
  --primary-dim: #009bbf;
  --accent: #ff6b4a;
  --amber: #f59e0b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --radius: 12px;
  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Wave Divider ── */
.wave-divider {
  position: relative;
  width: 100%;
  height: 100px;
  overflow: hidden;
  line-height: 0;
  pointer-events: none;
}
.wave-divider svg {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100%;
}
.wave-divider--top svg { bottom: auto; top: 0; transform: rotate(180deg); }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Section ── */
.section {
  position: relative;
  padding: 100px 0;
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}
.header.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--primary); }
.nav { display: flex; gap: 32px; align-items: center; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 1.5rem;
  padding: 4px;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg canvas {
  width: 100%;
  height: 100%;
  opacity: 0.3;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}
.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--primary);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-title .line1 { display: block; }
.hero-title .line2 { display: block; color: var(--primary); }
.hero-title .line3 {
  display: block;
  background: linear-gradient(135deg, var(--accent), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: var(--primary);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--primary-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.25);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ── Section Title ── */
.section-label {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0, 212, 255, 0.08);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Services — staggered wave cards ── */
.services-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 64px;
}
.service-card {
  display: flex;
  gap: 32px;
  padding: 40px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  border-color: rgba(0, 212, 255, 0.12);
  transform: translateX(8px);
}
.service-card:nth-child(even) {
  margin-left: clamp(0px, 8vw, 120px);
}
.service-card:nth-child(odd) {
  margin-right: clamp(0px, 4vw, 60px);
}
.service-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.08);
  border-radius: 12px;
  font-size: 1.5rem;
}
.service-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.service-body p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ── Stats / Numbers — mosaic ── */
.mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.mosaic-item {
  padding: 32px 20px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
  text-align: center;
}
.mosaic-item:nth-child(2) { margin-top: 24px; }
.mosaic-item:nth-child(4) { margin-top: -24px; }
.mosaic-num {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mosaic-label {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ── Process — wave step ── */
.process-list {
  margin-top: 64px;
  position: relative;
}
.process-list::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 32px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
  opacity: 0.3;
}
.process-step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  position: relative;
}
.process-num {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--card);
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-radius: 50%;
  z-index: 1;
  transition: var(--transition);
}
.process-step:hover .process-num {
  border-color: var(--primary);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.2);
}
.process-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.process-content p {
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ── About — split ── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}
.about-visual {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.04);
}
.about-visual .grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.about-visual .orb {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.15), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: orbPulse 4s ease-in-out infinite;
}
@keyframes orbPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.9; }
}
.about-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.about-text p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-text ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--muted);
}
.about-text ul li::before {
  content: '→';
  color: var(--primary);
  font-weight: 700;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}
.contact-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 8px;
}
.contact-info strong { color: var(--text); }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button {
  align-self: flex-start;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 48px 0;
  margin-top: 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary); }
.footer-copy { color: var(--muted); font-size: 0.8125rem; }

/* ── Privacy / Terms Pages ── */
.page-content {
  padding: 140px 0 80px;
  min-height: 100vh;
}
.page-content .container {
  max-width: 800px;
}
.page-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}
.page-content h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin: 32px 0 12px;
}
.page-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 24px 0 8px;
}
.page-content p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 12px;
}
.page-content ul, .page-content ol {
  color: var(--muted);
  line-height: 1.8;
  padding-left: 24px;
  margin-bottom: 16px;
}
.page-content li { margin-bottom: 6px; }
.page-content strong { color: var(--text); }
.page-content .company-info {
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
  margin-bottom: 32px;
}
.page-content .company-info p { margin-bottom: 4px; }
.page-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 32px;
  transition: var(--transition);
}
.page-back:hover { gap: 12px; }

/* ── 404 ── */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px;
}
.error-code {
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.error-text {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: 32px;
}

/* ── Scroll Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .services-grid { gap: 16px; }
  .service-card:nth-child(even),
  .service-card:nth-child(odd) { margin: 0; }
  .about-split { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: repeat(2, 1fr); }
  .mosaic-item:nth-child(2),
  .mosaic-item:nth-child(4) { margin-top: 0; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; gap: 16px; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface); padding: 24px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-toggle { display: block; }
  .section { padding: 60px 0; }
  .service-card { flex-direction: column; gap: 16px; padding: 24px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .mosaic { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 100px 0 60px; }
}