/* ══════════════════════════════════════════════════════════════════
   VARIABLES & RESET
   ══════════════════════════════════════════════════════════════════ */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --surface: #1e1e2a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --text-primary: #f0f0f5;
  --text-secondary: #9494a8;
  --text-muted: #5c5c72;

  --accent-1: #6c5ce7;
  --accent-2: #00cec9;
  --accent-3: #fd79a8;
  --gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
  --gradient-hover: linear-gradient(135deg, #7c6cf7, #10ded9);
  --gradient-warm: linear-gradient(135deg, #6c5ce7, #fd79a8);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height: 72px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

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

/* ══════════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  justify-content: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}
.btn-primary:hover {
  background: var(--gradient-hover);
  box-shadow: 0 6px 30px rgba(108, 92, 231, 0.5);
  transform: translateY(-2px);
}

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

.btn-ghost {
  background: transparent;
  color: var(--accent-1);
  padding: 14px 20px;
}
.btn-ghost:hover { background: rgba(108, 92, 231, 0.1); }

.btn-white {
  background: #fff;
  color: var(--bg-primary);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}

.btn-white-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}
.btn-white-outline:hover {
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ══════════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
}
.logo-icon {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  padding: 10px 24px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.nav-cta:hover {
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}
.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;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}
.hero-glow-1 {
  width: 500px; height: 500px;
  background: var(--accent-1);
  top: -10%; left: -5%;
  animation-delay: 0s;
}
.hero-glow-2 {
  width: 400px; height: 400px;
  background: var(--accent-2);
  bottom: -10%; right: -5%;
  animation-delay: -3s;
}
.hero-glow-3 {
  width: 300px; height: 300px;
  background: var(--accent-3);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
  opacity: 0.2;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-1);
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #00d26a;
  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(1.5); }
}

.hero-greeting {
  display: block;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-name {
  display: block;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #fff 0%, #fff 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--accent-2);
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  min-height: 1.5em;
}

.cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent-2);
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-top: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat { text-align: center; }
.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-2);
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--gradient);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ══════════════════════════════════════════════════════════════════
   SECTIONS COMMON
   ══════════════════════════════════════════════════════════════════ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 12px auto 0;
}

/* ══════════════════════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════════════════════ */
.about { background: var(--bg-secondary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  width: 320px;
  height: 380px;
  margin: 0 auto;
}

.about-photo {
  width: 100%;
  height: 100%;
  background: var(--gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 2;
}

.about-image-border {
  position: absolute;
  inset: -8px;
  border: 2px solid var(--accent-1);
  border-radius: calc(var(--radius-lg) + 4px);
  opacity: 0.3;
  z-index: 1;
}

.about-image-dots {
  position: absolute;
  width: 100px;
  height: 100px;
  bottom: -20px;
  right: -20px;
  background-image: radial-gradient(var(--accent-1) 2px, transparent 2px);
  background-size: 12px 12px;
  opacity: 0.3;
  z-index: 0;
}

.about-experience-badge {
  position: absolute;
  bottom: -24px;
  left: -24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  box-shadow: var(--shadow-md);
}

.exp-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.exp-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.about-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.info-item i {
  color: var(--accent-1);
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.info-item strong {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-item span { font-size: 0.9rem; }

.tech-stack h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.tech-tag:hover {
  background: rgba(108, 92, 231, 0.15);
  color: var(--text-primary);
  border-color: rgba(108, 92, 231, 0.3);
}

.tech-tag i { color: var(--accent-1); font-size: 0.85rem; }

/* ══════════════════════════════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  overflow: hidden;
}

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

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

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

.service-card.featured {
  border-color: rgba(108, 92, 231, 0.3);
  background: linear-gradient(180deg, rgba(108, 92, 231, 0.05), var(--bg-card));
}

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

.service-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  background: var(--gradient);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 20px;
}

.service-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.service-features li i { color: var(--accent-2); font-size: 0.7rem; }

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-1);
  transition: var(--transition);
}
.service-link:hover { gap: 12px; }

/* ══════════════════════════════════════════════════════════════════
   PRODUCTS
   ══════════════════════════════════════════════════════════════════ */
.products { background: var(--bg-secondary); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  padding: 24px 24px 0;
}

.product-mockup {
  background: #1a1a2e;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-bottom: none;
}

.mockup-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
}

.mockup-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-bar span:nth-child(1) { background: #ff5f57; }
.mockup-bar span:nth-child(2) { background: #febc2e; }
.mockup-bar span:nth-child(3) { background: #28c840; }

.mockup-content {
  padding: 16px;
  min-height: 160px;
  display: flex;
  gap: 12px;
}

.mockup-sidebar {
  width: 50px;
  background: rgba(108, 92, 231, 0.15);
  border-radius: 6px;
  flex-shrink: 0;
}

.mockup-main { flex: 1; display: flex; flex-direction: column; gap: 10px; }

.mockup-chart {
  height: 60px;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(0, 206, 201, 0.2));
  border-radius: 6px;
}

.mockup-table div {
  height: 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  margin-bottom: 6px;
}
.mockup-table div:nth-child(2) { width: 80%; }
.mockup-table div:nth-child(3) { width: 60%; }

.mockup-hero-block {
  height: 70px;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.3), rgba(253, 121, 168, 0.2));
  border-radius: 6px;
}

.mockup-cards-row {
  display: flex;
  gap: 8px;
  flex: 1;
}
.mockup-cards-row div {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
}

.mockup-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  flex: 1;
}
.mockup-product-grid div {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
}

.mockup-cart-bar {
  height: 24px;
  background: var(--gradient);
  border-radius: 6px;
  opacity: 0.4;
}

.product-badge-tag {
  position: absolute;
  top: 36px;
  right: 36px;
  padding: 4px 12px;
  background: var(--gradient);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
}

.product-info { padding: 24px; }

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.product-features span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--accent-2);
}

.product-features span i { font-size: 0.7rem; }

.product-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.product-tech span {
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.product-actions {
  display: flex;
  gap: 8px;
}

/* ══════════════════════════════════════════════════════════════════
   PORTFOLIO
   ══════════════════════════════════════════════════════════════════ */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }
.filter-btn.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}

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

.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.portfolio-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-card), var(--surface));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--accent-1);
  opacity: 0.4;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(108, 92, 231, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-actions {
  display: flex;
  gap: 12px;
}

.portfolio-action {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition);
  transform: translateY(20px);
}

.portfolio-item:hover .portfolio-action { transform: translateY(0); }
.portfolio-action:hover { background: #fff; color: var(--accent-1); }

.portfolio-info { padding: 20px; }

.portfolio-cat {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-info h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 6px 0;
}

.portfolio-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════════
   TESTIMONIALS
   ══════════════════════════════════════════════════════════════════ */
.testimonials { background: var(--bg-secondary); }

.testimonials-slider {
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  color: #fbbf24;
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.testimonial-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 28px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
}

.testimonial-author strong {
  display: block;
  font-size: 1rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

.testimonial-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.testimonial-btn:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.testimonial-dots {
  display: flex;
  gap: 8px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-dot.active {
  background: var(--accent-1);
  width: 28px;
  border-radius: 5px;
}

/* ══════════════════════════════════════════════════════════════════
   CTA BANNER
   ══════════════════════════════════════════════════════════════════ */
.cta-banner {
  padding: 0 24px;
}

.cta-content {
  background: var(--gradient);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  position: relative;
}

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

/* ══════════════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: var(--transition);
}

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

.contact-card-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.contact-card a,
.contact-card span {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-card a:hover { color: var(--accent-1); }

.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
  transform: translateY(-3px);
}

.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.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: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239494a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ══════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-secondary);
  padding: 64px 0 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
  max-width: 280px;
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient);
  color: #fff;
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--accent-1); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════════
   BACK TO TOP
   ══════════════════════════════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover { transform: translateY(-3px); }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateY(-120%);
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.active { transform: translateY(0); }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 100px 24px 60px; }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.8rem; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-wrapper {
    width: 250px;
    height: 300px;
  }

  .about-info-grid { grid-template-columns: 1fr; }

  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; max-width: 450px; margin: 0 auto; }
  .portfolio-grid { grid-template-columns: 1fr; max-width: 450px; margin: 0 auto; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .testimonial-card { padding: 32px 20px; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .cta-content { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .section { padding: 72px 0; }
  .hero-name { letter-spacing: -1px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .portfolio-filters { flex-wrap: wrap; }
}