/* ══════════════════════════════════════════════════
   PORTFOLIO — Design System & Styles
   Dark mode · Lime-green accent · Blue glow
   ══════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #0f0f0f;
  --bg-card-hover: #161616;

  --accent: #a3e635;
  --accent-dim: rgba(163, 230, 53, 0.15);
  --accent-glow: rgba(163, 230, 53, 0.4);
  --blue-glow: #3b82f6;
  --blue-dim: rgba(59, 130, 246, 0.12);

  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --section-gap: 120px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}

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

.section {
  padding: var(--section-gap) 0;
  position: relative;
}

/* ─── Text Utilities ─── */
.text-accent {
  color: var(--accent);
}

/* ─── Section Header ─── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid rgba(163, 230, 53, 0.2);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

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

/* ══════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-bracket {
  color: var(--accent);
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a:not(.nav-cta):hover {
  color: var(--text-primary);
}

.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition-smooth);
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--accent);
  color: var(--bg-primary) !important;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: all var(--transition-fast) !important;
  box-shadow: 0 0 20px var(--accent-dim);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--accent-glow);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ══════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite alternate;
}

.hero-glow--blue {
  width: 600px;
  height: 600px;
  background: rgba(59, 130, 246, 0.12);
  top: -200px;
  right: -200px;
}

.hero-glow--green {
  width: 500px;
  height: 500px;
  background: rgba(163, 230, 53, 0.06);
  bottom: -150px;
  left: -150px;
}

@keyframes glowPulse {
  0% {
    opacity: 0.6;
    transform: scale(1);
  }
  100% {
    opacity: 1;
    transform: scale(1.15);
  }
}

.hero-grid-bg {
  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-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(163, 230, 53, 0.08);
  border: 1px solid rgba(163, 230, 53, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 var(--accent-glow);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 8px transparent;
  }
}

.hero-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* Hero CTAs */
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Hero Highlights */
.hero-highlights {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-highlight-item {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 8px 20px;
  background: rgba(163, 230, 53, 0.06);
  border: 1px solid rgba(163, 230, 53, 0.15);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.hero-highlight-item:hover {
  background: rgba(163, 230, 53, 0.12);
  border-color: rgba(163, 230, 53, 0.3);
  transform: translateY(-2px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-family: var(--font);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 0 30px var(--accent-dim);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow:
    0 0 40px var(--accent-glow),
    0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 32px 40px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  display: inline;
}

.stat-suffix {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: var(--border);
  border-radius: 1px;
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: "";
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 20px;
  background: var(--accent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% {
    top: -20px;
  }
  100% {
    top: 40px;
  }
}

/* ══════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-text p:first-child {
  font-size: 1.15rem;
  color: var(--text-primary);
}

.about-specializations {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.spec-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all var(--transition-smooth);
}

.spec-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.spec-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);
}

.spec-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.spec-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ══════════════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════════════ */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px 32px;
  transition: all var(--transition-smooth);
  overflow: hidden;
}

/* ══════════════════════════════════════════════════
   DEVELOPMENT PROCESS
   ══════════════════════════════════════════════════ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  text-align: center;
  transition: all var(--transition-smooth);
  overflow: hidden;
}

.process-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-smooth);
}

.process-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.process-step {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  letter-spacing: -0.05em;
}

.process-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin: 0 auto 20px;
}

.process-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.process-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.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-smooth);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.service-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  letter-spacing: -0.05em;
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.service-card > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.service-badge {
  position: absolute;
  top: 20px;
  left: 24px;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

/* ══════════════════════════════════════════════════
   TECH STACK
   ══════════════════════════════════════════════════ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-smooth);
}

.tech-category:hover {
  border-color: var(--border-hover);
}

.tech-category-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.tech-category-title svg {
  color: var(--accent);
}

.tech-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tech-pill {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-pill:hover {
  background: var(--accent-dim);
  border-color: rgba(163, 230, 53, 0.3);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ══════════════════════════════════════════════════
   PERFORMANCE STANDARDS
   ══════════════════════════════════════════════════ */
.standards {
  background: var(--bg-secondary);
}

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

.standard-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-smooth);
}

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

.standard-score {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.standard-score span {
  font-size: 1.5rem;
}

.standard-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin: 0 auto 16px;
}

.standard-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.standard-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

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

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

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 5rem;
  font-weight: 900;
  color: rgba(163, 230, 53, 0.06);
  line-height: 1;
  font-family: Georgia, serif;
}

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

.testimonial-stars {
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  border-radius: 50%;
  font-size: 0.9rem;
}

.author-name {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.author-role {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════
   WHY CHOOSE ME
   ══════════════════════════════════════════════════ */
.why-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 80px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.why-inner::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: rgba(163, 230, 53, 0.04);
  border-radius: 50%;
  filter: blur(80px);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 48px;
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
}

.why-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.why-item:hover {
  background: var(--accent-dim);
  border-color: rgba(163, 230, 53, 0.2);
}

.why-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.why-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.why-item--wide {
  grid-column: 1 / -1;
  max-width: 360px;
  margin: 0 auto;
}

/* ══════════════════════════════════════════════════
   CONTACT / CTA
   ══════════════════════════════════════════════════ */
.contact {
  background: var(--bg-secondary);
}

.contact-inner {
  text-align: center;
  padding: 80px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.contact-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.1) 0%,
    transparent 70%
  );
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.contact-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 40px;
}

.contact-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════ */
.footer {
  padding: 80px 0 0;
  border-top: 1px solid var(--border);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-left p {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.6;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 24px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════
   SCROLL REVEAL ANIMATION
   ══════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-gap: 80px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .standards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  .why-inner {
    padding: 60px 40px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-gap: 64px;
  }

  /* Mobile nav */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--border);
  }

  .nav-links.open {
    right: 0;
  }

  .hamburger {
    display: flex;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  /* Hero */
  .hero {
    padding: 100px 0 60px;
  }
  .hero-stats {
    gap: 20px;
    padding: 24px 20px;
  }
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  /* Grids */
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .standards-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .why-item--wide {
    max-width: none;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .why-inner {
    padding: 48px 24px;
  }
  .contact-inner {
    padding: 48px 24px;
  }

  /* Footer */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-headline {
    font-size: 2rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .hero-stats {
    flex-direction: column;
  }
  .stat-divider {
    width: 60px;
    height: 1px;
  }
}