/* =============================================
   PRINTING ON PRINCIPLE SOLUTIONS
   Brand Colors:
   - Blue (primary):  #4B9CD3
   - Orange (accent): #F07A1A
   - Background:      #090909
   - Surface:         #111111
   - Surface-2:       #181818
   - Border:          rgba(255,255,255,0.08)
   - Text:            #F0F0F0
   - Text-muted:      #888888
   Font: Exo 2 (headings), Inter (body)
   ============================================= */

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

:root {
  --blue:          #4B9CD3;
  --blue-dark:     #3580B0;
  --blue-glow:     rgba(75, 156, 211, 0.25);
  --orange:        #F07A1A;
  --orange-dark:   #C9620E;
  --orange-glow:   rgba(240, 122, 26, 0.25);
  --bg:            #090909;
  --surface:       #111111;
  --surface-2:     #181818;
  --surface-3:     #1F1F1F;
  --border:        rgba(255,255,255,0.07);
  --border-hover:  rgba(255,255,255,0.15);
  --text:          #F0F0F0;
  --text-muted:    #888888;
  --text-dim:      #555555;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --shadow-blue:   0 0 40px rgba(75, 156, 211, 0.15);
  --shadow-orange: 0 0 40px rgba(240, 122, 26, 0.15);
  --transition:    0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* ---------- Utility ---------- */
.text-blue   { color: var(--blue); }
.text-orange { color: var(--orange); }

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

.section { padding: 100px 0; }

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

.section-label {
  display: inline-block;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(75, 156, 211, 0.12);
  border: 1px solid rgba(75, 156, 211, 0.3);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 0 0 var(--blue-glow);
}
.btn--primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 0 30px var(--blue-glow);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hover);
}
.btn--ghost:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(9, 9, 9, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo img {
  height: 52px;
  width: auto;
  transition: var(--transition);
}
.nav__logo:hover img { transform: scale(1.03); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links li a {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav__links li a:hover { color: var(--text); }

.nav__links .nav__cta {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff !important;
  background: var(--blue);
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition) !important;
}
.nav__links .nav__cta:hover {
  background: var(--blue-dark) !important;
  box-shadow: 0 0 20px var(--blue-glow);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(75, 156, 211, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 156, 211, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

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

.hero__particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--blue);
  opacity: 0;
  animation: particle-float linear infinite;
}

@keyframes particle-float {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-120px) translateX(var(--drift, 30px)); opacity: 0; }
}

.hero__container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(75, 156, 211, 0.08);
  border: 1px solid rgba(75, 156, 211, 0.25);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

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

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(75, 156, 211, 0.6); }
  50% { box-shadow: 0 0 0 6px rgba(75, 156, 211, 0); }
}

.hero__title {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 720px;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__stat-number {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fade-in-up 1s 1.5s both;
}

.hero__scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-dim);
  border-bottom: 2px solid var(--text-dim);
  transform: rotate(45deg);
  animation: scroll-bounce 1.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(4px); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateX(-50%) translateY(16px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* =============================================
   SERVICES
   ============================================= */
.services { background: var(--surface); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(75, 156, 211, 0.05), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: rgba(75, 156, 211, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}

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

.service-card--featured {
  border-color: rgba(75, 156, 211, 0.35);
  background: linear-gradient(135deg, rgba(75, 156, 211, 0.08) 0%, var(--surface-2) 60%);
}

.service-card__badge {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(240, 122, 26, 0.12);
  border: 1px solid rgba(240, 122, 26, 0.3);
  padding: 4px 10px;
  border-radius: 100px;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  color: var(--blue);
  margin-bottom: 20px;
}

.service-card__title {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-card__features li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.service-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

/* =============================================
   CAPABILITIES
   ============================================= */
.capabilities { background: var(--bg); }

.capabilities__layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}

.cap-tab {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 12px;
}

.cap-tab:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
}

.cap-tab--active {
  border-color: rgba(75, 156, 211, 0.4);
  background: rgba(75, 156, 211, 0.08);
}

.cap-tab__icon {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--blue);
  background: rgba(75, 156, 211, 0.15);
  padding: 6px 10px;
  border-radius: 6px;
  flex-shrink: 0;
  min-width: 44px;
  text-align: center;
}

.cap-tab__name {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.cap-tab__sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.cap-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  animation: fade-in 0.3s ease;
}

.cap-panel--active { display: block; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cap-panel h3 {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.cap-panel p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.cap-panel__specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.cap-spec {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.cap-spec__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.cap-spec__value {
  display: block;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--blue);
}

.cap-panel__tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--blue);
  background: rgba(75, 156, 211, 0.08);
  border: 1px solid rgba(75, 156, 211, 0.2);
  padding: 5px 12px;
  border-radius: 100px;
}

/* =============================================
   PROCESS
   ============================================= */
.process { background: var(--surface); }

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process__step {
  position: relative;
  padding: 0 24px;
  text-align: center;
}

.process__step-connector {
  position: absolute;
  top: 30px;
  right: -16px;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), transparent);
  z-index: 1;
}

.process__step-num {
  font-family: 'Exo 2', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--blue);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 24px;
  position: relative;
}

.process__step-num::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  opacity: 1;
}

.process__step-content h3 {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  margin-top: 20px;
}

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

/* =============================================
   WHY US
   ============================================= */
.why { background: var(--bg); }

.why__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why__text .section-title { text-align: left; margin-bottom: 20px; }
.why__text > p { color: var(--text-muted); margin-bottom: 40px; }

.why__points { display: flex; flex-direction: column; gap: 28px; }

.why__point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why__point-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.why__point-icon svg { width: 22px; height: 22px; }
.why__point-icon--blue  { background: rgba(75, 156, 211, 0.12); color: var(--blue); }
.why__point-icon--orange { background: rgba(240, 122, 26, 0.12); color: var(--orange); }

.why__point h4 {
  font-family: 'Exo 2', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.why__point p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Visual panel - circular layout */
.why__visual {
  position: relative;
  height: 440px;
}

.why__visual-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-shadow: 0 0 60px rgba(75, 156, 211, 0.1), 0 0 0 1px rgba(75, 156, 211, 0.15);
}
.why__visual-center img { width: 100%; height: auto; object-fit: contain; }

.why__visual-card {
  position: absolute;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  text-align: center;
  transition: var(--transition);
  animation: float-card linear infinite;
}

.why__visual-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.why__visual-card--1 { top: 10%;  left: 5%;  animation-duration: 6s;  animation-delay: 0s; }
.why__visual-card--2 { top: 10%;  right: 5%; animation-duration: 7s;  animation-delay: -2s; }
.why__visual-card--3 { bottom: 10%; left: 5%;  animation-duration: 6.5s; animation-delay: -1s; }
.why__visual-card--4 { bottom: 10%; right: 5%; animation-duration: 7.5s; animation-delay: -3s; }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.why__visual-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}

.why__visual-num {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.625rem;
  font-weight: 900;
  line-height: 1;
}

.why__visual-stat > span:last-child {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* =============================================
   PORTFOLIO
   ============================================= */
.portfolio { background: var(--surface); }

.portfolio__filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.portfolio__filter {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 8px 20px;
  border-radius: 100px;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.portfolio__filter:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.portfolio__filter--active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 240px;
  gap: 16px;
}

.portfolio__item { border-radius: var(--radius-md); overflow: hidden; cursor: pointer; }
.portfolio__item--wide { grid-column: span 2; }
.portfolio__item--tall { grid-row: span 2; }

.portfolio__item-img {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease;
  background-size: cover;
  background-position: center;
}

.portfolio__item:hover .portfolio__item-img { transform: scale(1.04); }

/* Stylized placeholder backgrounds using gradients */
.portfolio__item-img--1 {
  background: linear-gradient(135deg, #0d2035 0%, #1a3a52 40%, #0d1f30 100%),
    repeating-linear-gradient(45deg, rgba(75,156,211,0.04) 0, rgba(75,156,211,0.04) 1px, transparent 0, transparent 50%);
  background-blend-mode: normal;
}
.portfolio__item-img--1::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 40%, rgba(75,156,211,0.15) 0%, transparent 70%),
    repeating-linear-gradient(45deg, rgba(75,156,211,0.04) 0px, rgba(75,156,211,0.04) 1px, transparent 1px, transparent 30px);
}
.portfolio__item-img--2 {
  background: linear-gradient(135deg, #1a1000 0%, #2d1f00 50%, #1a1000 100%);
}
.portfolio__item-img--2::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 40% 50%, rgba(240,122,26,0.12) 0%, transparent 70%),
    repeating-linear-gradient(-45deg, rgba(240,122,26,0.03) 0px, rgba(240,122,26,0.03) 1px, transparent 1px, transparent 20px);
}
.portfolio__item-img--3 {
  background: linear-gradient(135deg, #0d1a12 0%, #142a1a 50%, #0d1a12 100%);
}
.portfolio__item-img--3::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(75,211,120,0.08) 0%, transparent 70%);
}
.portfolio__item-img--4 {
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
}
.portfolio__item-img--4::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%, rgba(100,75,211,0.1) 0%, transparent 70%),
    repeating-linear-gradient(90deg, rgba(100,75,211,0.04) 0px, rgba(100,75,211,0.04) 1px, transparent 1px, transparent 25px);
}
.portfolio__item-img--5 {
  background: linear-gradient(180deg, #1a0d0d 0%, #2e1a1a 50%, #1a0d0d 100%);
}
.portfolio__item-img--5::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(211,75,75,0.08) 0%, transparent 70%);
}
.portfolio__item-img--6 {
  background: linear-gradient(135deg, #001a1a 0%, #002e2e 50%, #001a1a 100%);
}
.portfolio__item-img--6::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 60% 50%, rgba(75,211,200,0.1) 0%, transparent 70%);
}

/* Shared 3D wireframe decorations on placeholders */
.portfolio__item-img--1::after,
.portfolio__item-img--2::after,
.portfolio__item-img--3::after,
.portfolio__item-img--4::after,
.portfolio__item-img--5::after,
.portfolio__item-img--6::after {
  content: '◈';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 5rem;
  opacity: 0.06;
  color: #fff;
  pointer-events: none;
}

.portfolio__item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio__item:hover .portfolio__item-overlay { opacity: 1; }

.portfolio__item-overlay h4 {
  font-family: 'Exo 2', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.portfolio__item-overlay span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(75, 156, 211, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact__text .section-title { text-align: left; margin-bottom: 16px; }
.contact__text > p { color: var(--text-muted); margin-bottom: 40px; }

.contact__info { display: flex; flex-direction: column; gap: 16px; }

.contact__info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.contact__info-item a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.contact__info-item a:hover { color: var(--blue); }

/* Form status message */
.form-message {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: none;
}
.form-message.success {
  display: block;
  background: rgba(39, 174, 96, 0.12);
  border: 1px solid rgba(39, 174, 96, 0.35);
  color: #4ade80;
}
.form-message.error {
  display: block;
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid rgba(231, 76, 60, 0.35);
  color: #f87171;
}

.contact__info-item svg {
  width: 20px;
  height: 20px;
  color: var(--blue);
  flex-shrink: 0;
}

/* Form */
.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.9375rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group textarea { resize: vertical; min-height: 100px; }

/* File upload */
.form-group--file { margin-bottom: 24px; }

.file-label {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.file-label:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.file-label svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

#fileUpload { display: none; }

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 12px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer__layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__brand img { height: 56px; width: auto; margin-bottom: 16px; }
.footer__brand p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 24px; max-width: 280px; }

.footer__social { display: flex; gap: 12px; }

.footer__social-link {
  width: 38px;
  height: 38px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer__social-link svg { width: 16px; height: 16px; }
.footer__social-link:hover { border-color: var(--blue); color: var(--blue); }

.footer__links h4 {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
}

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

.footer__links li a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer__links li a:hover { color: var(--blue); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__bottom p { font-size: 0.8125rem; color: var(--text-dim); }

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a {
  font-size: 0.8125rem;
  color: var(--text-dim);
  transition: color var(--transition);
}
.footer__bottom-links a:hover { color: var(--text-muted); }

/* =============================================
   ANIMATIONS — scroll reveal
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .why__layout { grid-template-columns: 1fr; gap: 48px; }
  .why__visual { display: none; }
  .capabilities__layout { grid-template-columns: 1fr; }
  .capabilities__tabs { display: flex; flex-wrap: wrap; gap: 8px; }
  .cap-tab { flex: 1; min-width: 140px; margin-bottom: 0; }
  .footer__layout { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  /* Nav */
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(9,9,9,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform var(--transition);
    pointer-events: none;
  }
  .nav__links.open { transform: translateY(0); pointer-events: all; }
  .nav__links li { width: 100%; }
  .nav__links li a { display: block; padding: 12px 16px; border-radius: var(--radius-sm); }
  .nav__links .nav__cta { display: block; text-align: center; padding: 12px 16px !important; }

  /* Hero */
  .hero { padding: 100px 24px 60px; }
  .hero__stats { gap: 20px; flex-wrap: wrap; }
  .hero__stat-divider { display: none; }
  .hero__scroll-hint { display: none; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; }

  /* Process */
  .process__steps { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process__step-connector { display: none; }

  /* Contact */
  .contact__layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }

  /* Portfolio */
  .portfolio__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__item--wide { grid-column: span 1; }
  .portfolio__item--tall { grid-row: span 1; }

  /* Footer */
  .footer__layout { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.25rem; }
  .hero__actions { flex-direction: column; }
  .btn { justify-content: center; }
  .process__steps { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .portfolio__item--wide { grid-column: span 1; }
  .contact__form { padding: 24px 20px; }
}