/* ============================================
   Mo Thu Solutions - Main Stylesheet
   Computer Systems Design & Related Services
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-deep: #060b14;
  --bg-primary: #0a1222;
  --bg-secondary: #0e1829;
  --bg-card: #111d33;
  --bg-elevated: #162540;
  --bg-input: #0d1728;

  --text-primary: #ffffff;
  --text-secondary: #c2cddc;
  --text-muted: #8a9bb5;
  --text-heading: #f0f4ff;

  --accent-blue: #3b82f6;
  --accent-blue-bright: #60a5fa;
  --accent-teal: #06d6a0;
  --accent-teal-bright: #2eecc0;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --border-default: #1e3148;
  --border-light: #273d5a;
  --border-accent: #3b82f644;

  --gradient-blue-teal: linear-gradient(135deg, #3b82f6, #06d6a0);
  --gradient-purple-blue: linear-gradient(135deg, #8b5cf6, #3b82f6);
  --gradient-dark-fade: linear-gradient(180deg, #060b14 0%, #0a1222 50%, #0e1829 100%);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow-blue: 0 0 30px rgba(59,130,246,0.15);
  --shadow-glow-teal: 0 0 30px rgba(6,214,160,0.12);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Geometric Background Pattern --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(59,130,246,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 90%, rgba(6,214,160,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(139,92,246,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.7rem); }
h4 { font-size: 1.2rem; }

a {
  color: var(--accent-blue-bright);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-teal-bright);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #0a1222;
  border-bottom: 1px solid var(--border-default);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: #0a1222;
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-blue-teal);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.4rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: var(--bg-elevated);
}

.nav-cta {
  background: var(--gradient-blue-teal) !important;
  color: #ffffff !important;
  padding: 0.55rem 1.3rem !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  box-shadow: var(--shadow-glow-blue);
  background: var(--gradient-purple-blue) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-blue-teal);
  color: #ffffff;
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.08);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-teal);
  border: 2px solid var(--accent-teal);
}

.btn-outline:hover {
  background: var(--accent-teal);
  color: #060b14;
}

.btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1.1rem;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--bg-deep);
}

.hero-geo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-geo .geo-line {
  position: absolute;
  background: var(--border-default);
}

.hero-geo .geo-line-h {
  width: 100%;
  height: 1px;
  top: 30%;
  opacity: 0.4;
}

.hero-geo .geo-line-v {
  width: 1px;
  height: 100%;
  left: 65%;
  opacity: 0.3;
}

.hero-geo .geo-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border-default);
}

.hero-geo .geo-circle-1 {
  width: 500px;
  height: 500px;
  top: -200px;
  right: -100px;
  opacity: 0.3;
}

.hero-geo .geo-circle-2 {
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: 10%;
  opacity: 0.25;
}

.hero-geo .geo-dot-grid {
  position: absolute;
  top: 20%;
  right: 15%;
  width: 200px;
  height: 200px;
  background-image: radial-gradient(circle, #3b82f6 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.2;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-teal);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-content h1 {
  margin-bottom: 1.2rem;
  line-height: 1.15;
}

.hero-content h1 .highlight {
  background: var(--gradient-blue-teal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 4/3;
}

.hero-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.hero-card-1 {
  top: 0;
  right: 0;
  width: 80%;
  z-index: 3;
}

.hero-card-2 {
  top: 60px;
  left: 0;
  width: 70%;
  z-index: 2;
  opacity: 0.85;
}

.hero-card-3 {
  top: 120px;
  right: 40px;
  width: 65%;
  z-index: 1;
  opacity: 0.7;
}

.hero-card .card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.hero-card .card-icon.blue { background: #1d3a6b; color: #60a5fa; }
.hero-card .card-icon.teal { background: #0d3d32; color: #2eecc0; }
.hero-card .card-icon.purple { background: #2a1d5c; color: #a78bfa; }

.hero-card h4 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
  color: #ffffff;
}

.hero-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.hero-card .card-stat {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.hero-card .card-stat .stat-num {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-blue-teal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-card .card-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Section Common --- */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-dark {
  background: var(--bg-deep);
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-blue-bright);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 0.8rem;
}

.section-header .section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-blue-teal);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: var(--gradient-blue-teal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-card .stat-label-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow-blue);
}

.service-card .svc-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.3rem;
}

.service-card .svc-icon.design { background: #1d3a6b; color: #60a5fa; }
.service-card .svc-icon.develop { background: #0d3d32; color: #2eecc0; }
.service-card .svc-icon.cloud { background: #2a1d5c; color: #a78bfa; }
.service-card .svc-icon.security { background: #3d1a1a; color: #f87171; }
.service-card .svc-icon.data { background: #3d2e0a; color: #fbbf24; }
.service-card .svc-icon.consult { background: #1a2d3d; color: #38bdf8; }

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
  color: #ffffff;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  margin-bottom: 1.2rem;
}

.service-card .svc-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-blue-bright);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.service-card .svc-link:hover {
  color: var(--accent-teal-bright);
}

/* --- Features / Two Column --- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-visual {
  position: relative;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.feature-box-accent {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  background: linear-gradient(135deg, #3b82f6, #06d6a0) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  color: var(--text-secondary);
}

.feature-list li .check-icon {
  width: 24px;
  height: 24px;
  background: #0d3d32;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-teal);
  font-size: 0.75rem;
  margin-top: 2px;
}

/* --- Process / Steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 12%;
  width: 76%;
  height: 2px;
  background: var(--border-default);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step .step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 auto 1.2rem;
  transition: all var(--transition-base);
}

.process-step:hover .step-num {
  border-color: var(--accent-blue);
  background: #1d3a6b;
  box-shadow: var(--shadow-glow-blue);
}

.process-step h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: #ffffff;
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* --- CTA Section --- */
.cta-section {
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  top: -200px;
  right: -200px;
  opacity: 0.3;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 60% 50% at 30% 20%, rgba(59,130,246,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 70% 80%, rgba(6,214,160,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-box p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 1;
}

.cta-box .btn {
  position: relative;
  z-index: 1;
}

/* --- Footer --- */
.footer {
  background: #040912;
  border-top: 1px solid var(--border-default);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-company .logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-blue-teal);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-company h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: #ffffff;
}

.footer-company p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid var(--border-default);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0;
}

.footer-bottom .footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom .footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom .footer-links a:hover {
  color: #ffffff;
}

/* --- Page Header (Inner Pages) --- */
.page-header {
  padding: 9rem 0 4rem;
  background: var(--bg-deep);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 60% 50% at 50% 30%, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  margin-bottom: 0.8rem;
}

.page-header .breadcrumb {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.page-header .breadcrumb a {
  color: var(--accent-blue-bright);
}

.page-header .breadcrumb span {
  margin: 0 0.5rem;
  color: var(--border-light);
}

/* --- About Page --- */
.about-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.mission-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-base);
}

.mission-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.mission-card .mission-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.mission-card .mission-icon.blue { background: #1d3a6b; color: #60a5fa; }
.mission-card .mission-icon.teal { background: #0d3d32; color: #2eecc0; }

.mission-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
  color: #ffffff;
}

.mission-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue);
}

.value-card .value-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.value-card h4 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* --- Services Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-base);
}

.service-detail-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.service-detail-card .sdc-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.3rem;
}

.service-detail-card h3 {
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.service-detail-card p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.service-detail-card .sdc-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-detail-card .sdc-features li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding-left: 1.2rem;
  position: relative;
}

.service-detail-card .sdc-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
}

/* --- Portfolio Page --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.portfolio-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow-blue);
}

.portfolio-card .port-image {
  height: 200px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.portfolio-card .port-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59,130,246,0.15) 0%, rgba(6,214,160,0.1) 100%);
}

.portfolio-card .port-body {
  padding: 1.5rem;
}

.portfolio-card .port-tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: var(--bg-elevated);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-blue-bright);
  margin-bottom: 0.6rem;
}

.portfolio-card h4 {
  color: #ffffff;
  margin-bottom: 0.4rem;
}

.portfolio-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* --- Contact Page --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.contact-info-card .cic-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  background: #1d3a6b;
  color: #60a5fa;
}

.contact-info-card h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.contact-info-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-form-wrap h3 {
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #4a5d78;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* --- Policy / Terms Pages --- */
.policy-content {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 3rem 3.5rem;
}

.policy-content .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-default);
}

.policy-content h2 {
  font-size: 1.5rem;
  color: #ffffff;
  margin: 2.5rem 0 1rem;
  padding-top: 1rem;
}

.policy-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
}

.policy-content h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin: 1.5rem 0 0.7rem;
}

.policy-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.policy-content ul,
.policy-content ol {
  color: var(--text-secondary);
  margin: 0.8rem 0 1.2rem 1.5rem;
}

.policy-content ul li,
.policy-content ol li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.policy-content strong {
  color: #ffffff;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #0a1222;
    border-bottom: 1px solid var(--border-default);
    padding: 1rem 2rem;
    gap: 0.3rem;
  }
  .nav-links.open a {
    display: block;
    padding: 0.7rem 1rem;
  }
  .nav-toggle { display: flex; }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .hero-desc { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .services-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .about-mission { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .policy-content { padding: 2rem 1.5rem; }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .container { padding: 0 1.2rem; }
}