/* ===== DESIGN TOKENS ===== */
:root {
  --maxw: 1200px;
  --pad: 24px;

  /* Colors */
  --primary: #1565C0;
  --primary-light: #1E88E5;
  --primary-dark: #0D47A1;
  --primary-50: #E3F2FD;
  --primary-100: #BBDEFB;

  --accent: #4CAF50;
  --accent-light: #66BB6A;
  --accent-dark: #388E3C;

  --ink: #0f172a;
  --ink-light: #1e293b;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;

  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0a1628;
  --bg-dark-2: #0f2035;
  --bg-dark-3: #162a46;

  /* Typography */
  --font-head: "Poppins", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 6px rgba(0,0,0,.04), 0 2px 4px rgba(0,0,0,.03);
  --shadow-md: 0 10px 25px rgba(0,0,0,.06), 0 4px 10px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.08), 0 8px 20px rgba(0,0,0,.04);
  --shadow-primary: 0 8px 30px rgba(21,101,192,.25);

  /* Transitions */
  --ease: cubic-bezier(.4, 0, .2, 1);

  /* Radius */
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); color: var(--ink); background: var(--bg); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; color: var(--ink); }

/* ===== UTILITIES ===== */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s var(--ease);
  text-decoration: none;
  line-height: 1.4;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(21,101,192,.35);
  color: #fff;
}

.btn-outline-light {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.25);
  backdrop-filter: blur(4px);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.4);
  color: #fff;
}

.btn-nav {
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
}
.btn-nav:hover { background: var(--primary-dark); color: #fff; }

.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: 12px; }
.btn-full { width: 100%; justify-content: center; }

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  transition: all .3s var(--ease);
  background: transparent;
}
header.scrolled {
  background: rgba(10, 22, 40, .95);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,.15);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-mark { height: 32px; width: auto; }
.brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.3px;
}
.brand-name strong {
  color: var(--accent-light);
  font-weight: 800;
}

nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
nav ul a {
  color: rgba(255,255,255,.8);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all .2s var(--ease);
}
nav ul a:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .3s var(--ease);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 180px 0 120px;
  background: linear-gradient(170deg, #050d1e 0%, var(--bg-dark) 30%, var(--bg-dark-2) 60%, var(--bg-dark-3) 100%);
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 70% 50% at 20% 80%, rgba(21,101,192,.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(76,175,80,.10) 0%, transparent 55%),
    radial-gradient(circle 1px, rgba(21,101,192,.25) 100%, transparent 100%),
    linear-gradient(rgba(21,101,192,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21,101,192,.06) 1px, transparent 1px);
  background-size: 100%, 100%, 40px 40px, 40px 40px, 40px 40px;
  opacity: .7;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76,175,80,.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 72px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { position: relative; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(21,101,192,.12);
  color: #90caf9;
  border: 1px solid rgba(21,101,192,.25);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 28px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-light);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}

.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .text-gradient {
  background: linear-gradient(135deg, #64b5f6, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 1.8vw, 19px);
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat {
  padding: 24px 20px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  text-align: center;
  transition: all .3s var(--ease);
}
.stat:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(21,101,192,.3);
}

.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 6px;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,.55);
  line-height: 1.4;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
  border: 1px solid rgba(255,255,255,.06);
}

/* ===== SECTIONS ===== */
.section {
  padding: 120px 0;
  position: relative;
}
.section-alt { background: var(--bg-alt); }

/* Subtle top-border accent on light sections */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-100), transparent);
  border-radius: 2px;
}
.section-dark::before,
.cta-section::before,
.section-alt::before {
  background: none;
  background-image: none;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section-tag-light { color: var(--accent-light); }

.section-header h2 {
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -.5px;
  line-height: 1.15;
}

.section-desc {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  padding: 40px 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(21,101,192,.15);
}
.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-50), #dceefb);
  color: var(--primary);
  border-radius: 14px;
  margin-bottom: 24px;
  position: relative;
}
.service-icon svg {
  width: 30px;
  height: 30px;
}
.service-icon.icon-fiber {
  background: linear-gradient(135deg, rgba(76,175,80,.1), rgba(76,175,80,.18));
  color: var(--accent-dark);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-features {
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--border-light);
}
.service-features li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
  line-height: 1.5;
}
.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== INDUSTRIES ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.industry-card {
  padding: 36px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all .35s var(--ease);
  text-align: center;
}
.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(21,101,192,.15);
}

.industry-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-50), #dceefb);
  color: var(--primary);
  border-radius: 14px;
  margin: 0 auto 20px;
}

.industry-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.industry-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== PROCESS ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.process-step {
  position: relative;
  padding: 0 28px;
  text-align: center;
}

.process-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(21,101,192,.25);
}

.process-line {
  position: absolute;
  top: 26px;
  left: calc(50% + 32px);
  right: calc(-50% + 32px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary-100), var(--border));
  z-index: 1;
}

.process-step:last-child .process-line { display: none; }

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== SURVEILLANCE & SECURITY ===== */
.security-section {
  position: relative;
}
.security-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76,175,80,.05) 0%, transparent 70%);
  pointer-events: none;
}

.security-title {
  color: #fff !important;
}

.section-desc-light {
  color: rgba(255,255,255,.6) !important;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}

.security-card {
  padding: 40px 32px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.security-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.security-card:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(76,175,80,.25);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,.3), 0 0 30px rgba(76,175,80,.08);
}
.security-card:hover::before {
  transform: scaleX(1);
}

.security-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(76,175,80,.12), rgba(76,175,80,.22));
  color: var(--accent-light);
  border-radius: 14px;
  margin-bottom: 24px;
  position: relative;
  transition: all .35s var(--ease);
}
.security-icon svg {
  width: 30px;
  height: 30px;
}
.security-card:hover .security-icon {
  background: linear-gradient(135deg, rgba(76,175,80,.18), rgba(76,175,80,.3));
  box-shadow: 0 4px 20px rgba(76,175,80,.2);
}

.security-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.security-card p {
  font-size: 15px;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
  margin-bottom: 20px;
}

.security-features {
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(255,255,255,.08);
}
.security-features li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: rgba(255,255,255,.55);
  margin-bottom: 8px;
  line-height: 1.5;
}
.security-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
}

/* ===== WHY CHOOSE US ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 40px;
}

.feature {
  position: relative;
  padding-left: 0;
}

.feature-num {
  font-family: var(--font-head);
  font-size: 52px;
  font-weight: 800;
  background: linear-gradient(180deg, var(--primary-100), transparent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
}

/* ===== ABOUT ===== */
.section-dark {
  background: linear-gradient(170deg, #050d1e 0%, var(--bg-dark) 30%, var(--bg-dark-2) 60%, var(--bg-dark-3) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle 1px, rgba(21,101,192,.12) 100%, transparent 100%);
  background-size: 40px 40px;
  opacity: .5;
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 72px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.about-content h2 {
  color: #fff;
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 24px;
  line-height: 1.15;
}

.about-content p {
  color: rgba(255,255,255,.7);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.about-stat {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  transition: all .3s var(--ease);
}
.about-stat:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(21,101,192,.3);
}

.about-stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-light);
}

.about-stat-label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,.55);
  margin-top: 6px;
}

.about-card-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-badge-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  color: rgba(255,255,255,.85);
  font-size: 15px;
  font-weight: 500;
  backdrop-filter: blur(8px);
  transition: all .35s var(--ease);
}
.about-badge-item:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(21,101,192,.3);
  transform: translateX(6px);
}
.about-badge-item svg { color: var(--accent-light); flex-shrink: 0; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  padding: 36px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all .35s var(--ease);
  position: relative;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 15px;
}

.testimonial-author span {
  font-size: 13px;
  color: var(--muted);
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #0a3d7e 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle 1px, rgba(255,255,255,.06) 100%, transparent 100%);
  background-size: 36px 36px;
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.04) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin: 0 auto;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.15;
}

.cta-content p {
  font-size: 18px;
  color: rgba(255,255,255,.8);
  line-height: 1.75;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 30px rgba(0,0,0,.15);
  font-size: 16px;
  padding: 18px 36px;
}
.cta-section .btn-primary:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
  color: var(--primary-dark);
}
.cta-section .btn-outline-light {
  font-size: 16px;
  padding: 18px 36px;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 72px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 20px;
  line-height: 1.15;
}

.contact-info > p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact-details { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--ink-light);
}
.contact-item svg {
  color: var(--primary);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

.contact-form-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-md);
}

.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: 14px;
  font-weight: 600;
  color: var(--ink);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-alt);
  transition: all .2s var(--ease);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,.1);
  background: var(--bg);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted-light);
}

.form-notice {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: 4px;
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(180deg, #060e1f 0%, #030810 100%);
  color: rgba(255,255,255,.7);
  padding: 96px 0 0;
  position: relative;
  overflow: hidden;
}
footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle 1px, rgba(21,101,192,.08) 100%, transparent 100%);
  background-size: 36px 36px;
  opacity: .4;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.footer-brand .brand { margin-bottom: 16px; }

.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  max-width: 300px;
}

.footer-links h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  font-family: var(--font-head);
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  color: rgba(255,255,255,.55);
  font-size: 14px;
  transition: color .2s var(--ease);
}
.footer-links a:hover { color: #fff; }

.footer-links li {
  font-size: 14px;
  color: rgba(255,255,255,.55);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.services-grid .fade-up:nth-child(2) { transition-delay: .08s; }
.services-grid .fade-up:nth-child(3) { transition-delay: .16s; }
.services-grid .fade-up:nth-child(4) { transition-delay: .24s; }
.services-grid .fade-up:nth-child(5) { transition-delay: .32s; }
.services-grid .fade-up:nth-child(6) { transition-delay: .40s; }

.industries-grid .fade-up:nth-child(2) { transition-delay: .08s; }
.industries-grid .fade-up:nth-child(3) { transition-delay: .16s; }
.industries-grid .fade-up:nth-child(4) { transition-delay: .24s; }
.industries-grid .fade-up:nth-child(5) { transition-delay: .32s; }
.industries-grid .fade-up:nth-child(6) { transition-delay: .40s; }

.features-grid .fade-up:nth-child(2) { transition-delay: .08s; }
.features-grid .fade-up:nth-child(3) { transition-delay: .16s; }
.features-grid .fade-up:nth-child(4) { transition-delay: .24s; }
.features-grid .fade-up:nth-child(5) { transition-delay: .32s; }
.features-grid .fade-up:nth-child(6) { transition-delay: .40s; }

.process-grid .fade-up:nth-child(2) { transition-delay: .12s; }
.process-grid .fade-up:nth-child(3) { transition-delay: .24s; }
.process-grid .fade-up:nth-child(4) { transition-delay: .36s; }

.security-grid .fade-up:nth-child(2) { transition-delay: .08s; }
.security-grid .fade-up:nth-child(3) { transition-delay: .16s; }
.security-grid .fade-up:nth-child(4) { transition-delay: .24s; }
.security-grid .fade-up:nth-child(5) { transition-delay: .32s; }
.security-grid .fade-up:nth-child(6) { transition-delay: .40s; }

.testimonials-grid .fade-up:nth-child(2) { transition-delay: .08s; }
.testimonials-grid .fade-up:nth-child(3) { transition-delay: .16s; }

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-links:last-child { grid-column: 1 / -1; }
  .hero-grid { gap: 48px; }
  .about-grid { gap: 48px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .process-line { display: none; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --pad: 20px; }

  .nav-toggle { display: flex; }

  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-dark);
    padding: 100px 32px 32px;
    transition: right .3s var(--ease);
    box-shadow: -10px 0 40px rgba(0,0,0,.3);
    z-index: 105;
  }
  nav.open { right: 0; }

  nav ul {
    flex-direction: column;
    gap: 4px;
  }
  nav ul a {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
  }
  nav ul a:hover { background: rgba(255,255,255,.08); }

  .btn-nav {
    text-align: center;
    margin-top: 8px;
  }

  /* Hero */
  .hero { padding: 140px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-visual img { max-width: 300px; margin: 0 auto; }
  .hero-stats { grid-template-columns: 1fr; gap: 12px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }

  /* Sections */
  .section { padding: 80px 0; }
  .section-dark { padding: 80px 0; }
  .cta-section { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }
  .section::before { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; gap: 36px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 36px; }
  .process-line { display: none; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-highlights { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .about-stat { padding: 16px 12px; }
  .about-stat-num { font-size: 28px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-form-wrap { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }

  /* CTA */
  .cta-actions { flex-direction: column; align-items: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-links:last-child { grid-column: auto; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 30px; letter-spacing: -.5px; }
  .about-highlights { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .features-grid { gap: 28px; }
}