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

:root {
  --black: #0a0a0a;
  --black-soft: #0d0d0d;
  --black-card: #111111;
  --black-border: #1a1a1a;
  --green-primary: #00ff41;
  --green-dim: #00b82e;
  --green-dark: #006b20;
  --green-glow: rgba(0, 255, 65, 0.15);
  --blue-accent: #00d4ff;
  --blue-dim: #0099cc;
  --white: #ffffff;
  --gray-light: #c0c0c0;
  --gray: #808080;
  --gray-dark: #404040;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --nav-height: 70px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

ul { list-style: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gray-dark); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px var(--green-glow); }
  50% { box-shadow: 0 0 40px var(--green-glow), 0 0 60px rgba(0, 255, 65, 0.05); }
}

@keyframes scanLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== HEADER / NAV ===== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition);
  background: transparent;
}

.main-header.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo .logo-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green-primary);
  border-radius: 50%;
  animation: pulseGlow 2s infinite;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--gray-light);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--green-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-links a.active {
  color: var(--green-primary);
}

.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a.nav-cta {
  background: var(--green-primary);
  color: var(--black);
  font-weight: 600;
  padding: 10px 24px;
  margin-left: 8px;
  border: none;
  transition: all var(--transition);
}

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

.nav-links a.nav-cta:hover {
  background: var(--green-dim);
  box-shadow: 0 0 30px var(--green-glow);
  color: var(--black);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.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 SECTION ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#matrix-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.3) 0%,
    rgba(10, 10, 10, 0.6) 50%,
    rgba(10, 10, 10, 0.95) 100%
  );
  z-index: 1;
}

.hero-scanline {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green-primary), transparent);
  opacity: 0.15;
  z-index: 1;
  animation: scanLine 4s linear infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 40px;
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--green-dark);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--green-primary);
  margin-bottom: 30px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--green-primary), var(--blue-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--gray-light);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--green-primary);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--green-dim);
  box-shadow: 0 0 40px var(--green-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: var(--green-primary);
  color: var(--green-primary);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  animation: fadeIn 2s ease 1s both;
}

.scroll-arrow {
  width: 20px;
  height: 30px;
  border: 2px solid var(--gray-dark);
  border-radius: 10px;
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--green-primary);
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ===== SECTION COMMON ===== */
.section {
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--green-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 16px;
  padding: 40px 32px;
  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(--green-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 255, 65, 0.2);
  transform: translateY(-4px);
}

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

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 255, 65, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--green-primary);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== STATS SECTION ===== */
.stats-section {
  background: var(--black-soft);
  border-top: 1px solid var(--black-border);
  border-bottom: 1px solid var(--black-border);
  padding: 100px 40px;
}

.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, var(--gray-dark), transparent);
}

.stat-number {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--green-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--gray);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.stat-plus {
  color: var(--green-primary);
  font-size: 0.6em;
  vertical-align: super;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 120px 40px;
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(180deg, transparent, var(--green-primary));
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.cta-section p {
  color: var(--gray);
  max-width: 500px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

/* ===== FOOTER ===== */
.main-footer {
  background: var(--black-soft);
  border-top: 1px solid var(--black-border);
  padding: 60px 40px 30px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--gray);
  font-size: 0.85rem;
  line-height: 1.8;
  max-width: 350px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: var(--gray-light);
  font-size: 0.85rem;
  padding: 6px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--green-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--black-border);
  font-size: 0.8rem;
  color: var(--gray);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--gray);
  transition: color var(--transition);
}

.footer-social a:hover {
  color: var(--green-primary);
}

/* ========================================
   PROJECTS PAGE
   ======================================== */

.page-hero {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}

.page-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.page-hero-bg .grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 255, 65, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 65, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 40px;
}

.page-hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero-content p {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* Projects Filter */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--black-border);
  border-radius: 8px;
  color: var(--gray);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--gray-dark);
  color: var(--white);
}

.filter-btn.active {
  background: var(--green-primary);
  border-color: var(--green-primary);
  color: var(--black);
  font-weight: 600;
}

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition);
}

.project-card:hover {
  border-color: rgba(0, 255, 65, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-gif-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--black-soft);
}

.project-gif {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-gif-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0a0a 0%, #0d1b0d 50%, #0a0a0a 100%);
  display: none;
}

.project-gif-placeholder .placeholder-content {
  text-align: center;
  color: var(--gray-dark);
}

.project-gif-placeholder .placeholder-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
  color: var(--green-dark);
}

.project-gif-placeholder .placeholder-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.placeholder-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 255, 65, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.project-info {
  padding: 28px;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-description {
  color: var(--gray);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.project-tag {
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(0, 255, 65, 0.08);
  color: var(--green-primary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.5px;
}

.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}

.project-link.primary {
  background: var(--green-primary);
  color: var(--black);
}

.project-link.primary:hover {
  background: var(--green-dim);
  box-shadow: 0 0 30px var(--green-glow);
}

.project-link.secondary {
  border: 1px solid var(--black-border);
  color: var(--gray-light);
}

.project-link.secondary:hover {
  border-color: var(--green-primary);
  color: var(--green-primary);
}

.link-icon {
  font-size: 1.1rem;
}

.no-projects {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 40px;
  color: var(--gray);
}

/* ========================================
   SERVICES PAGE
   ======================================== */

.services-detailed {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--black-border);
}

.service-detail:first-child {
  padding-top: 0;
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.service-detail-content p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-detail-content .service-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-detail-content .service-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--gray-light);
  font-size: 0.9rem;
}

.service-detail-content .service-features li::before {
  content: '>';
  font-family: var(--font-mono);
  color: var(--green-primary);
  font-weight: 700;
}

.service-detail-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-detail-visual .code-block {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 2;
  color: var(--gray);
}

.service-detail-visual .code-block .code-green {
  color: var(--green-primary);
}

.service-detail-visual .code-block .code-blue {
  color: var(--blue-accent);
}

.service-detail-visual .code-block .code-gray {
  color: var(--gray-dark);
}

/* Tech Stack */
.tech-stack {
  background: var(--black-soft);
  border-top: 1px solid var(--black-border);
  border-bottom: 1px solid var(--black-border);
  padding: 100px 40px;
}

.tech-stack-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 50px;
}

.tech-badge {
  padding: 12px 28px;
  border: 1px solid var(--black-border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray-light);
  transition: all var(--transition);
  cursor: default;
  background: var(--black-card);
}

.tech-badge:hover {
  border-color: var(--green-primary);
  color: var(--green-primary);
  box-shadow: 0 0 20px var(--green-glow);
}

/* ========================================
   CONTACT PAGE
   ======================================== */

.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.contact-info > p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.contact-method-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 255, 65, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-primary);
  flex-shrink: 0;
}

.contact-method h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-method p, .contact-method a {
  color: var(--gray);
  font-size: 0.85rem;
}

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

/* Form */
.contact-form-container {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 16px;
  padding: 50px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--black);
  border: 1px solid var(--black-border);
  border-radius: 8px;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green-primary);
  box-shadow: 0 0 20px var(--green-glow);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23808080'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--green-primary);
  color: var(--black);
  border: none;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--green-dim);
  box-shadow: 0 0 40px var(--green-glow);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

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

  .contact-section {
    grid-template-columns: 1fr;
    gap: 50px;
  }

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

  .service-detail-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 40px 40px;
    gap: 4px;
    transition: right 0.4s ease;
    border-left: 1px solid var(--black-border);
  }

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

  .nav-links a {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
  }

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

  .nav-links a.nav-cta {
    margin-left: 0;
    margin-top: 12px;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  body.nav-open {
    overflow: hidden;
  }

  .section {
    padding: 80px 20px;
  }

  .hero {
    min-height: 500px;
  }

  .hero-content {
    padding: 0 20px;
  }

  .stats-section {
    padding: 70px 20px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .cta-section {
    padding: 80px 20px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .projects-filter {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .contact-form-container {
    padding: 30px 24px;
  }

  .main-footer {
    padding: 40px 20px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .service-detail {
    padding: 50px 0;
  }

  .page-hero {
    min-height: 300px;
  }
}

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

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

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .stat-item::after {
    display: none !important;
  }
}