/* ============================================================
   NOSADIGITAL — Corporate CSS
   ============================================================ */

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

:root {
  /* Colors */
  --primary:        #0d1117;
  --primary-light:  #161b22;
  --secondary:      #1c2333;
  --accent:         #3b82f6;
  --accent-hover:   #2563eb;
  --accent-light:   #60a5fa;
  --cyan:           #06b6d4;
  --cyan-light:     #22d3ee;
  --purple:         #8b5cf6;
  --green:          #10b981;
  --orange:         #f59e0b;
  --teal:           #14b8a6;

  /* Text */
  --text:           #0f172a;
  --text-secondary: #334155;
  --text-muted:     #64748b;
  --text-light:     #94a3b8;
  --text-white:     #f8fafc;
  --text-muted-light: #94a3b8;

  /* Backgrounds */
  --bg:             #f8fafc;
  --bg-alt:         #f1f5f9;
  --bg-card:        #ffffff;
  --border:         #e2e8f0;
  --border-dark:    rgba(255,255,255,0.08);

  /* Gradients */
  --grad-blue:      linear-gradient(135deg, #3b82f6, #06b6d4);
  --grad-purple:    linear-gradient(135deg, #8b5cf6, #3b82f6);
  --grad-dark:      linear-gradient(135deg, #0d1117, #1c2333);

  /* Spacing */
  --container:      1200px;
  --section-py:     96px;

  /* Radius */
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      20px;
  --radius-xl:      28px;

  /* Shadows */
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:         0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:      0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-xl:      0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
  --shadow-glow-blue: 0 0 40px rgba(59,130,246,.25);
  --shadow-glow-cyan: 0 0 40px rgba(6,182,212,.25);

  /* Transitions */
  --transition:     all .25s cubic-bezier(.4,0,.2,1);
  --transition-slow: all .45s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ----- UTILITIES ----- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-py) 0; }
.section--dark { background: var(--primary); }
.section--alt { background: var(--bg-alt); }

.text-white { color: var(--text-white) !important; }
.text-muted-light { color: var(--text-muted-light) !important; }
.mt-8 { margin-top: 2rem; }

.gradient-text {
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----- TYPOGRAPHY ----- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ----- BUTTONS ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: var(--radius); }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(59,130,246,0);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-blue);
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

.btn-white {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
}
.btn-white:hover { background: var(--bg-alt); transform: translateY(-2px); box-shadow: var(--shadow-xl); }

.btn-ghost-white {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost-white:hover { background: rgba(255,255,255,0.18); }

/* ----- SECTION HEADER ----- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(59,130,246,0.1);
  color: var(--accent);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag--light {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.12);
}

.section-title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  color: var(--text);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.section-footer { text-align: center; margin-top: 48px; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(13,17,23,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 4px 32px rgba(0,0,0,.3);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: block;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links li a {
  display: block;
  padding: 8px 14px;
  color: rgba(255,255,255,0.75);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links li a:hover,
.nav-links li a.active {
  color: #fff;
  background: rgba(255,255,255,0.07);
}

.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  margin-left: 8px;
}

.nav-cta:hover { background: var(--accent-hover) !important; transform: translateY(-1px); }
.nav-cta.active { background: var(--accent-hover) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.8);
  border-radius: 2px;
  transition: var(--transition);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #3b82f6, transparent);
  top: -200px;
  left: -200px;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #06b6d4, transparent);
  bottom: -150px;
  right: -100px;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 60px;
  min-height: calc(100vh - 72px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 100px;
  color: var(--accent-light);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  color: #fff;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-services {
  padding: 20px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  width: fit-content;
  max-width: 100%;
}

.hero-services-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.hero-services-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-service-tag {
  padding: 6px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 20px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  width: fit-content;
}

.stat-item {
  padding: 0 28px;
  text-align: center;
}

.stat-item:first-child { padding-left: 0; }
.stat-item:last-child { padding-right: 0; }

.stat-num {
  display: inline;
  font-size: 1.875rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
  font-weight: 400;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* Code Window */
.hero-visual { position: relative; }

.code-window {
  background: #0d1117;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 80px rgba(59,130,246,0.15);
}

.code-window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.code-window-title {
  margin-left: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

.code-window-body { padding: 28px 32px; }

.code-window-body pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.8;
  overflow-x: auto;
}

.c-kw  { color: #ff79c6; }
.c-class { color: #50fa7b; }
.c-fn  { color: #8be9fd; }
.c-method { color: #50fa7b; }
.c-var { color: #f8f8f2; }
.c-str { color: #f1fa8c; }
.c-op  { color: rgba(255,255,255,0.5); }

/* Floating Cards */
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
}

.fc-1 { bottom: -16px; left: -32px; animation: float 4s ease-in-out infinite; }
.fc-2 { top: -16px;    right: -24px; animation: float 4s ease-in-out infinite 2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.fc-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fc-blue { background: rgba(59,130,246,0.2); color: var(--accent-light); }
.fc-cyan { background: rgba(6,182,212,0.2); color: var(--cyan-light); }

.fc-label { font-size: 0.75rem; color: rgba(255,255,255,0.45); font-weight: 500; }
.fc-value { font-size: 1.125rem; color: #fff; font-weight: 700; letter-spacing: -0.02em; }


/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  transition: var(--transition-slow);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-blue);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(59,130,246,0.2);
}

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

.service-card--featured {
  background: var(--primary);
  border-color: rgba(59,130,246,0.2);
  box-shadow: var(--shadow-glow-blue);
}

.service-card--featured h3,
.service-card--featured p,
.service-card--featured li,
.service-card--featured .service-link { color: #fff; }
.service-card--featured .service-features li { color: rgba(255,255,255,0.7); }
.service-card--featured::before { opacity: 1; }

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.service-icon--blue   { background: rgba(59,130,246,.12); color: var(--accent); }
.service-icon--cyan   { background: rgba(6,182,212,.12);  color: var(--cyan);   }
.service-icon--purple { background: rgba(139,92,246,.12); color: var(--purple); }

.service-card--featured .service-icon--blue {
  background: rgba(59,130,246,0.2);
}

.service-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(59,130,246,0.15);
  color: var(--accent-light);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.service-card h3 {
  font-size: 1.375rem;
  margin-bottom: 12px;
  color: var(--text);
}

.service-card p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.service-features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  transition: var(--transition);
}

.service-link:hover { gap: 10px; }

/* ============================================================
   WHY US
   ============================================================ */
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}

.why-left .section-tag { margin-bottom: 16px; }
.why-left .section-title { color: #fff; margin-bottom: 16px; }

.why-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.why-card {
  display: flex;
  gap: 16px;
  padding: 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(59,130,246,0.2);
  transform: translateY(-3px);
}

.why-icon {
  width: 44px;
  height: 44px;
  background: rgba(59,130,246,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  flex-shrink: 0;
}

.why-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.why-card p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
}

/* ============================================================
   SERVICE AREAS (HOME)
   ============================================================ */
.service-areas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-area-card {
  display: flex;
  flex-direction: column;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  transition: var(--transition-slow);
  text-decoration: none;
  color: inherit;
  min-height: 100%;
  box-shadow: var(--shadow-sm);
}

.service-area-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
  transition: var(--transition);
  pointer-events: none;
}

.service-area-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.service-area-card:hover::before { opacity: 0.1; }

.service-area-card--blue {
  border-color: rgba(59,130,246,.15);
}
.service-area-card--blue::before { background: var(--accent); }
.service-area-card--blue:hover { border-color: rgba(59,130,246,.3); }

.service-area-card--cyan {
  border-color: rgba(6,182,212,.15);
}
.service-area-card--cyan::before { background: var(--cyan); }
.service-area-card--cyan:hover { border-color: rgba(6,182,212,.3); }

.service-area-card--teal {
  border-color: rgba(20,184,166,.15);
}
.service-area-card--teal::before { background: var(--teal); }
.service-area-card--teal:hover { border-color: rgba(20,184,166,.3); }

.service-area-card--purple {
  border-color: rgba(139,92,246,.15);
}
.service-area-card--purple::before { background: var(--purple); }
.service-area-card--purple:hover { border-color: rgba(139,92,246,.3); }

.service-area-category {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.service-area-card--blue   .service-area-category { background: rgba(59,130,246,.1); color: var(--accent); }
.service-area-card--cyan   .service-area-category { background: rgba(6,182,212,.1);  color: var(--cyan);   }
.service-area-card--teal   .service-area-category { background: rgba(20,184,166,.1); color: var(--teal);   }
.service-area-card--purple .service-area-category { background: rgba(139,92,246,.1); color: var(--purple); }

.service-area-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  margin-bottom: 20px;
  flex-shrink: 0;
}

.service-area-card--blue   .service-area-icon { background: rgba(59,130,246,.12); color: var(--accent); }
.service-area-card--cyan   .service-area-icon { background: rgba(6,182,212,.12);  color: var(--cyan);   }
.service-area-card--teal   .service-area-icon { background: rgba(20,184,166,.12); color: var(--teal);   }
.service-area-card--purple .service-area-icon { background: rgba(139,92,246,.12); color: var(--purple); }

.service-area-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.service-area-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 28px;
  flex-grow: 1;
}

.service-area-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: var(--transition);
}

.service-area-card--cyan .service-area-link { color: var(--cyan); }
.service-area-card--teal .service-area-link { color: var(--teal); }
.service-area-card--purple .service-area-link { color: var(--purple); }

.service-area-card:hover .service-area-link { gap: 10px; }

/* ============================================================
   PROJECTS PREVIEW
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  padding: 36px;
  border-radius: var(--radius-xl);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: var(--transition-slow);
  cursor: pointer;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.06;
  transition: var(--transition);
}

.project-card:hover { transform: translateY(-6px); }
.project-card:hover::before { opacity: 0.1; }

.project-card--blue   { background: var(--bg-card); border-color: rgba(59,130,246,.15); }
.project-card--blue::before { background: var(--accent); }
.project-card--cyan   { background: var(--bg-card); border-color: rgba(6,182,212,.15); }
.project-card--cyan::before { background: var(--cyan); }
.project-card--purple { background: var(--bg-card); border-color: rgba(139,92,246,.15); }
.project-card--purple::before { background: var(--purple); }

.project-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.project-card--blue   .project-category { background: rgba(59,130,246,.1); color: var(--accent); }
.project-card--cyan   .project-category { background: rgba(6,182,212,.1);  color: var(--cyan);   }
.project-card--purple .project-category { background: rgba(139,92,246,.1); color: var(--purple); }
.project-card--green  .project-category { background: rgba(16,185,129,.1); color: var(--green);  }
.project-card--orange .project-category { background: rgba(245,158,11,.1); color: var(--orange); }
.project-card--teal   .project-category { background: rgba(20,184,166,.1); color: var(--teal);   }

.project-card h3 {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 10px;
}

.project-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}


/* ============================================================
   PROCESS
   ============================================================ */
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.process-step {
  flex: 1;
  max-width: 220px;
  text-align: center;
  padding: 0 16px;
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
}

.process-step h4 {
  font-size: 1.0625rem;
  color: var(--text);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.process-arrow {
  padding-top: 16px;
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
  opacity: 0.4;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: var(--section-py) 0;
  background: var(--primary);
}

.cta-box {
  position: relative;
  text-align: center;
  padding: 80px 40px;
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.cta-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.15), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-box .section-tag { margin-bottom: 16px; }

.cta-title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  color: #fff;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  color: rgba(255,255,255,0.55);
  font-size: 1.0625rem;
  margin-bottom: 40px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: 140px 0 80px;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero-content {
  position: relative;
  max-width: 700px;
}

.page-hero-content .section-tag { margin-bottom: 16px; }

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  color: #fff;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.page-hero-content p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

/* ============================================================
   SERVICE DETAIL (Services Page)
   ============================================================ */
.service-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.service-detail-layout--reverse { direction: rtl; }
.service-detail-layout--reverse > * { direction: ltr; }

.service-detail-content .section-tag { margin-bottom: 16px; }
.service-detail-content h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 20px; }
.service-detail-content p { color: var(--text-muted); line-height: 1.75; margin-bottom: 16px; }

.detail-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 28px 0 36px;
}

.detail-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.detail-features li svg { color: var(--accent); flex-shrink: 0; }

.service-detail-visual {
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  min-height: 300px;
  text-align: center;
}

.service-detail-visual--blue   { background: rgba(59,130,246,.07); border: 1px solid rgba(59,130,246,.15); }
.service-detail-visual--cyan   { background: rgba(6,182,212,.07);  border: 1px solid rgba(6,182,212,.15);  }
.service-detail-visual--purple { background: rgba(139,92,246,.07); border: 1px solid rgba(139,92,246,.15); }

.sdv-icon { color: var(--accent); }
.service-detail-visual--cyan .sdv-icon { color: var(--cyan); }
.service-detail-visual--purple .sdv-icon { color: var(--purple); }

.sdv-highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.sdv-highlight {
  padding: 8px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.sdv-stats { display: flex; gap: 32px; }
.sdv-stat { text-align: center; }
.sdv-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}
.sdv-stat span:last-child { font-size: 0.875rem; color: var(--text-muted); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-story-content .section-tag { margin-bottom: 16px; }
.about-story-content h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 20px; }
.about-story-content p { color: var(--text-muted); line-height: 1.75; margin-bottom: 16px; }

.about-services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-service-card {
  padding: 28px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.about-service-card:hover {
  border-color: rgba(59,130,246,0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.about-service-icon {
  display: block;
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.about-service-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.about-service-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.about-stat-card:hover {
  border-color: rgba(59,130,246,0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.about-stat-num {
  display: inline;
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.04em;
}

.about-stat-card span:last-child {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value-card {
  padding: 32px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.value-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(59,130,246,0.2);
  transform: translateY(-4px);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: rgba(59,130,246,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.value-card h4 { font-size: 1.0625rem; color: #fff; margin-bottom: 10px; }
.value-card p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.65; }

/* ============================================================
   PROJECTS FULL PAGE
   ============================================================ */
.projects-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.projects-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-full-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.project-full-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  opacity: 0;
  transition: var(--transition);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.project-full-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.project-full-card:hover::after { opacity: 1; }

.project-full-card--blue::after   { background: var(--grad-blue); }
.project-full-card--cyan::after   { background: linear-gradient(135deg, var(--cyan), var(--accent)); }
.project-full-card--purple::after { background: linear-gradient(135deg, var(--purple), var(--accent)); }
.project-full-card--green::after  { background: linear-gradient(135deg, var(--green), var(--cyan)); }
.project-full-card--orange::after { background: linear-gradient(135deg, var(--orange), #ef4444); }
.project-full-card--teal::after   { background: linear-gradient(135deg, var(--teal), var(--cyan)); }

.pfc-header { margin-bottom: 16px; }
.project-full-card h3 { font-size: 1.25rem; color: var(--text); margin-bottom: 12px; }
.project-full-card p  { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }

.project-full-card .project-category {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.project-full-card--blue   .project-category { background: rgba(59,130,246,.1); color: var(--accent); }
.project-full-card--cyan   .project-category { background: rgba(6,182,212,.1);  color: var(--cyan);   }
.project-full-card--purple .project-category { background: rgba(139,92,246,.1); color: var(--purple); }
.project-full-card--green  .project-category { background: rgba(16,185,129,.1); color: var(--green);  }
.project-full-card--orange .project-category { background: rgba(245,158,11,.1); color: var(--orange); }
.project-full-card--teal   .project-category { background: rgba(20,184,166,.1); color: var(--teal);   }

.project-full-card.hidden { display: none; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-form-wrap h2 {
  font-size: 1.75rem;
  color: var(--text);
  margin-bottom: 32px;
}

.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: 6px; }

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.required { color: var(--accent); }

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg-card);
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: #ef4444;
}

.form-error {
  font-size: 0.8125rem;
  color: #ef4444;
  font-weight: 500;
}

/* Contact Info */
.contact-info-card {
  background: var(--primary);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.contact-info-item:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info-item:first-child { padding-top: 0; }

.ci-icon {
  width: 40px;
  height: 40px;
  background: rgba(59,130,246,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  flex-shrink: 0;
}

.contact-info-item h5 {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  font-weight: 500;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-info-item a,
.contact-info-item span {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
}

.contact-info-item a:hover { color: var(--accent-light); }

.contact-hours {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
}

.contact-hours h5 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.hours-row:last-child { border-bottom: none; padding-bottom: 0; }
.hours-row.text-muted { color: var(--text-muted); }

.contact-guarantee {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(16,185,129,.06);
  border: 1px solid rgba(16,185,129,.15);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.contact-guarantee svg { color: var(--green); flex-shrink: 0; }

/* Alert */
.alert {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
  align-items: flex-start;
}

.alert-success {
  background: rgba(16,185,129,.07);
  border: 1px solid rgba(16,185,129,.2);
  color: var(--green);
}

.alert-success strong { display: block; font-size: 1rem; margin-bottom: 4px; }
.alert-success p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }

.alert-error {
  background: rgba(239,68,68,.07);
  border: 1px solid rgba(239,68,68,.2);
  color: #ef4444;
}

.alert-error strong { display: block; font-size: 1rem; margin-bottom: 4px; color: var(--text); }
.alert-error p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }

.alert svg { flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--primary-light);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 80px;
  padding: 72px 0 56px;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.footer-brand .nav-logo { margin-bottom: 20px; }
.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-social { display: flex; gap: 10px; }

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(59,130,246,0.15);
  border-color: rgba(59,130,246,0.3);
  color: var(--accent-light);
  transform: translateY(-2px);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 4px;
}

.footer-nav-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

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

.footer-nav-col li a,
.footer-nav-col li span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}

.footer-nav-col li a:hover { color: rgba(255,255,255,0.85); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  max-width: var(--container);
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.3);
}

.footer-tagline { font-style: italic; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
.animate-fade-up {
  opacity: 0;
  transform: translateY(32px);
  animation: fadeUp 0.7s cubic-bezier(.4,0,.2,1) forwards;
}

.animate-fade-left {
  opacity: 0;
  transform: translateX(40px);
  animation: fadeLeft 0.7s cubic-bezier(.4,0,.2,1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
  to { opacity: 1; transform: translateX(0); }
}

/* Scroll-triggered fade in */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(.4,0,.2,1), transform 0.65s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .hero .container { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card--featured { order: -1; }
  .why-layout { grid-template-columns: 1fr; gap: 48px; }
  .why-right { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .service-detail-layout { grid-template-columns: 1fr; gap: 40px; }
  .service-detail-layout--reverse { direction: ltr; }
  .service-detail-visual { display: none; }
  .about-story-layout { grid-template-columns: 1fr; gap: 48px; }
  .service-areas-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 48px; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }

  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: rgba(13,17,23,0.98); padding: 16px; gap: 4px; border-bottom: 1px solid var(--border-dark); }
  .nav-links.open { display: flex; }
  .nav-links li a { padding: 12px 16px; }
  .nav-cta { margin-left: 0; }
  .site-header { position: fixed; background: rgba(13,17,23,0.95); backdrop-filter: blur(20px); }
  .nav-hamburger { display: flex; }

  .hero { padding-top: 72px; }
  .hero .container { min-height: auto; padding-top: 48px; padding-bottom: 48px; }
  .hero-services { width: 100%; }
  .hero-stats { flex-wrap: wrap; justify-content: center; width: 100%; }
  .stat-divider { display: none; }
  .stat-item { padding: 12px 20px; border-right: 1px solid rgba(255,255,255,0.08); }
  .stat-item:last-child { border-right: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .service-areas-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .projects-full-grid { grid-template-columns: 1fr; }
  .why-right { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cta-box { padding: 48px 24px; }
  .process-steps { flex-direction: column; align-items: center; gap: 24px; }
  .process-arrow { transform: rotate(90deg); }
  .page-hero { padding: 120px 0 56px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2.25rem; }
  .section-title { font-size: 1.75rem; }
  .about-services-grid { grid-template-columns: 1fr; }
  .service-areas-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr; }
  .hero-stats .stat-item { border-right: none; }
}