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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: 'Inter', sans-serif;
  background: #020a16;
  color: #e0e8f0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ===== VARIABLES ===== */
:root {
  --bg: #020a16;
  --bg2: #0a0e17;
  --accent: #5bcefa;
  --accent2: #b06aff;
  --text: #e0e8f0;
  --text-dim: #8899b0;
  --glass: rgba(255,255,255,0.035);
  --glass-border: rgba(255,255,255,0.07);
  --radius: 14px;
  --max-width: 1100px;
}

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

.section {
  padding: 100px 0;
  position: relative;
}

.section--dark {
  background: var(--bg2);
}

.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  text-align: center;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 60px;
  font-size: 1.05rem;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  background: none;
  color: var(--text);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #3da8d6);
  color: #020a16;
  box-shadow: 0 0 30px rgba(91, 206, 250, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(91, 206, 250, 0.4);
}

.btn--outline {
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  border-color: var(--accent);
  background: rgba(91, 206, 250, 0.08);
}

.btn--ghost {
  color: var(--accent);
}

.btn--ghost:hover {
  color: #fff;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(2, 10, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.3s;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s;
}

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

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

.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);
  transition: 0.3s;
  border-radius: 2px;
}

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91,206,250,0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 24px;
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(3.5rem, 12vw, 8rem);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 60px rgba(91, 206, 250, 0.3), 0 0 120px rgba(176, 106, 255, 0.15);
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  line-height: 1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.hero-desc {
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto 36px;
  font-size: 1rem;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  color: var(--text-dim);
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.scroll-dot {
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.3; transform: translateY(8px); }
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity 0.35s;
}

.service-card:hover {
  border-color: rgba(91, 206, 250, 0.2);
  transform: translateY(-4px);
  background: rgba(255,255,255,0.06);
}

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

.service-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* ===== PROJECT ===== */
.project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px;
}

.project-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.project-screenshot {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.gallery {
  position: relative;
  width: 100%;
  height: 100%;
}

.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 2;
}

.gallery-arrow:hover {
  background: rgba(0,0,0,0.75);
}

.gallery-arrow--prev {
  left: 8px;
}

.gallery-arrow--next {
  right: 8px;
}

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.gallery-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.gallery-dots button.active {
  background: var(--accent);
}

.project-info h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.project-tag {
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.project-info p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-stack span {
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(91, 206, 250, 0.08);
  border: 1px solid rgba(91, 206, 250, 0.15);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
}

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

/* ===== PROCESS ===== */
.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.process-step {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px 20px;
  flex: 1;
  min-width: 130px;
  text-align: center;
  transition: all 0.3s;
}

.process-step:hover {
  border-color: rgba(91, 206, 250, 0.2);
  transform: translateY(-3px);
}

.step-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.process-step h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.process-step p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.process-arrow {
  color: var(--text-dim);
  flex-shrink: 0;
  opacity: 0.4;
}

/* ===== CONTACT ===== */
.section--contact {
  position: relative;
  overflow: hidden;
}

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

.glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  opacity: 0.1;
}

.glow--blue {
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.glow--purple {
  background: radial-gradient(circle, var(--accent2) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  padding: 40px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  position: relative;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-item a {
  transition: color 0.2s;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
}

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

.contact-form .btn {
  align-self: flex-start;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .process-steps {
    flex-direction: column;
  }

  .process-arrow {
    transform: rotate(90deg);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .contact-info {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(2, 10, 22, 0.97);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--glass-border);
  }

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

  .nav-toggle {
    display: flex;
  }

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

  .section {
    padding: 64px 0;
  }

  .section-desc {
    margin-bottom: 40px;
  }

  .hero-title {
    text-shadow: 0 0 30px rgba(91, 206, 250, 0.25);
  }
}