/* Northern Edge Software — Premium Dark Theme */
/* Brand: Deep navy, electric blue accent, silver text */

:root {
  --bg-deep: #060a13;
  --bg-section: #0a0f1a;
  --bg-card: #0d1321;
  --bg-elevated: #111827;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --accent-dim: rgba(56, 189, 248, 0.12);
  --accent-glow: rgba(56, 189, 248, 0.06);
  --accent-strong: rgba(56, 189, 248, 0.25);
  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border: rgba(148, 163, 184, 0.1);
  --border-hover: rgba(56, 189, 248, 0.3);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Skip link */
.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  text-decoration: none;
  z-index: 200;
  border-radius: var(--radius-xs);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==================== HEADER ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 10, 19, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(6, 10, 19, 0.95);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.3);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 34px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--accent);
  color: var(--bg-deep) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-xs);
  font-weight: 600 !important;
  transition: background var(--transition), transform 0.15s !important;
}

.nav-cta::after { display: none !important; }

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

/* Focus styles */
.nav-links a:focus-visible,
.btn:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 10;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: all 0.3s;
  border-radius: 1px;
}

.nav-toggle span:nth-child(1) { transform: translateY(-6px); }
.nav-toggle span:nth-child(3) { transform: translateY(6px); }

.nav-toggle:hover {
  opacity: 0.8;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg);
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 8rem 2rem 6rem;
  overflow: hidden;
}

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

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  animation: glow-pulse 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  right: 10%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
  animation: glow-pulse 10s ease-in-out infinite reverse;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
  text-align: center;
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: var(--accent-dim);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s linear infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.3; }
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.75rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 6rem 0;
  position: relative;
  scroll-margin-top: 5rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ==================== ABOUT ==================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.8;
}

.about-content p {
  color: var(--text-secondary);
}

.about-content strong {
  color: var(--text);
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.value-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 30px var(--accent-glow);
}

.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.value-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.value-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==================== SERVICES ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
}

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

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  list-style: none;
}

.service-tags li {
  font-size: 0.7rem;
  padding: 0.25rem 0.625rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ==================== PORTFOLIO ==================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
}

.portfolio-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
}

.portfolio-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.portfolio-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.portfolio-tag {
  font-size: 0.7rem;
  padding: 0.25rem 0.75rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.portfolio-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-tech {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  opacity: 0.7;
}

.portfolio-cta {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.portfolio-cta p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ==================== PROCESS ==================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process-step {
  text-align: center;
  padding: 1.5rem;
  position: relative;
}

.process-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.process-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

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

/* ==================== TECHNOLOGY ==================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.tech-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.tech-block:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 30px var(--accent-glow);
}

.tech-block h3 {
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.tech-block ul {
  list-style: none;
}

.tech-block li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  position: relative;
  padding-left: 1rem;
}

.tech-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* ==================== CONTACT ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-method {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.contact-method:hover {
  border-color: var(--border-hover);
}

.contact-method-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.contact-method h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.125rem;
}

.contact-method a,
.contact-method p {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

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

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.875rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

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

.form-group select {
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  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='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

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

/* ==================== FOOTER ==================== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  background: var(--bg-deep);
}

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

.footer-brand img {
  height: 30px;
  width: auto;
  margin-bottom: 0.75rem;
  display: block;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 300px;
  line-height: 1.6;
}

.footer-links h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.375rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==================== ANIMATIONS ==================== */
.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.anim-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.services-grid .anim-fade-up:nth-child(2) { transition-delay: 0.1s; }
.services-grid .anim-fade-up:nth-child(3) { transition-delay: 0.2s; }
.services-grid .anim-fade-up:nth-child(4) { transition-delay: 0.15s; }
.services-grid .anim-fade-up:nth-child(5) { transition-delay: 0.25s; }
.services-grid .anim-fade-up:nth-child(6) { transition-delay: 0.3s; }

.portfolio-grid .anim-fade-up:nth-child(2) { transition-delay: 0.1s; }
.portfolio-grid .anim-fade-up:nth-child(3) { transition-delay: 0.2s; }
.portfolio-grid .anim-fade-up:nth-child(4) { transition-delay: 0.3s; }
.portfolio-grid .anim-fade-up:nth-child(5) { transition-delay: 0.2s; }

.services-grid .anim-fade-up:nth-child(7) { transition-delay: 0.2s; }

.process-grid .anim-fade-up:nth-child(2) { transition-delay: 0.1s; }
.process-grid .anim-fade-up:nth-child(3) { transition-delay: 0.2s; }
.process-grid .anim-fade-up:nth-child(4) { transition-delay: 0.3s; }

.tech-grid .anim-fade-up:nth-child(2) { transition-delay: 0.1s; }
.tech-grid .anim-fade-up:nth-child(3) { transition-delay: 0.2s; }
.tech-grid .anim-fade-up:nth-child(4) { transition-delay: 0.15s; }
.tech-grid .anim-fade-up:nth-child(5) { transition-delay: 0.25s; }
.tech-grid .anim-fade-up:nth-child(6) { transition-delay: 0.3s; }
.tech-grid .anim-fade-up:nth-child(7) { transition-delay: 0.2s; }
.tech-grid .anim-fade-up:nth-child(8) { transition-delay: 0.3s; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }

  .nav {
    padding: 0.75rem 1.25rem;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(6, 10, 19, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a::after { display: none; }

  .nav-links li {
    list-style: none;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }

  .nav-cta {
    display: inline-block;
    text-align: center;
    margin-top: 0.5rem;
  }

  /* Hero */
  .hero {
    padding: 6rem 1.25rem 4rem;
    min-height: 100vh;
    min-height: 100svh;
  }

  .hero-title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-scroll-indicator {
    display: none;
  }

  /* Sections */
  .section {
    padding: 4rem 0;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  /* Portfolio */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  /* Process */
  .process-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .process-step {
    text-align: left;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 0;
  }

  .process-number {
    font-size: 1.5rem;
    min-width: 40px;
    margin-bottom: 0;
  }

  /* Tech */
  .tech-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
}