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

:root {
  --bg: #07070f;
  --bg-2: #0d0d1a;
  --bg-card: #10101f;
  --border: rgba(255,255,255,0.07);
  --purple: #7c3aed;
  --purple-light: #a855f7;
  --cyan: #06b6d4;
  --cyan-light: #67e8f9;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 40px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
strong { color: #fff; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== TYPOGRAPHY ===== */
h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 1rem;
}
h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.6rem;
}
p { color: var(--text-muted); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.gradient-text {
  background: linear-gradient(135deg, var(--purple-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.section-header { text-align: center; margin-bottom: 4rem; }
.section-desc { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 30px rgba(124,58,237,0.35);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(124,58,237,0.5);
}
.btn-primary.btn-lg { padding: 16px 36px; font-size: 1rem; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.25);
  color: #fff;
  transform: translateY(-2px);
}
.btn-ghost svg { width: 16px; height: 16px; }

.btn-nav {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 50px;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-nav:hover { opacity: 0.85; transform: translateY(-1px); }

.lang-toggle {
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.lang-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(6,182,212,0.07);
}
.lang-toggle span { color: var(--text-muted); transition: color 0.2s; }
.lang-toggle span.active { color: var(--cyan); font-weight: 700; }

/* ===== NAV ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(7,7,15,0.85);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 70px;
  gap: 2rem;
}
.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}
.dot { color: var(--cyan); }
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(7,7,15,0.97);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 1rem 24px 1.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 0;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: #fff; }
.mobile-menu .btn-nav {
  margin-top: 1rem;
  text-align: center;
  border: none;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  animation: pulse 6s ease-in-out infinite;
}
.glow-1 {
  width: 600px; height: 600px;
  background: var(--purple);
  top: -100px; left: -100px;
}
.glow-2 {
  width: 500px; height: 500px;
  background: var(--cyan);
  bottom: -100px; right: -100px;
  animation-delay: 3s;
}
@keyframes pulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.hero-title .line { display: block; }

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===== ABOUT ===== */
#about {
  padding: 120px 0;
  background: var(--bg-2);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
}

.about-visual { display: flex; flex-direction: column; align-items: center; gap: 2.5rem; }

.avatar-wrap {
  position: relative;
  width: 180px;
  height: 180px;
}
.avatar-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--purple), var(--cyan), var(--purple));
  animation: spin 4s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-box {
  position: absolute;
  inset: 4px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar-initials {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--purple-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.avatar-badge {
  position: absolute;
  bottom: 4px; right: 4px;
  width: 40px; height: 40px;
  background: var(--cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
}
.avatar-badge svg { width: 18px; height: 18px; }

.about-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.stat {
  text-align: center;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 90px;
}
.stat-num {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.about-text p { font-size: 1rem; line-height: 1.8; }
.about-text h2 { margin-bottom: 1.2rem; }

.skills { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; }
.skill-tag {
  padding: 6px 14px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--purple-light);
  font-weight: 500;
  transition: background 0.2s, border-color 0.2s;
}
.skill-tag:hover {
  background: rgba(124,58,237,0.25);
  border-color: var(--purple-light);
}

/* ===== SERVICES ===== */
#services { padding: 120px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,58,237,0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: rgba(124,58,237,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(124,58,237,0.15);
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  border-color: rgba(124,58,237,0.5);
  background: linear-gradient(160deg, rgba(124,58,237,0.08), var(--bg-card));
}
.service-card--featured::before { opacity: 1; }

.featured-badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 52px; height: 52px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.service-icon svg { width: 24px; height: 24px; color: var(--purple-light); }

.service-features {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.service-features li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== PROCESS ===== */
#process {
  padding: 120px 0;
  background: var(--bg-2);
}
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
}
.step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--purple-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 70px;
  line-height: 1;
  padding-top: 4px;
}
.step-content h3 { color: #fff; margin-bottom: 0.5rem; }
.step-content p { font-size: 0.95rem; }

.step-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--purple), transparent);
  margin-left: 34px;
}

.process-note {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  background: rgba(6,182,212,0.07);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius-sm);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.process-note svg { width: 20px; height: 20px; color: var(--cyan); flex-shrink: 0; }
.process-note p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* ===== CONTACT CTA ===== */
#contact { padding: 120px 0; }
.cta-box {
  position: relative;
  text-align: center;
  padding: 5rem 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.18), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-box .section-tag { display: block; margin-bottom: 1rem; }
.cta-box h2 { margin-bottom: 1rem; }
.cta-box p { font-size: 1.05rem; margin-bottom: 2.5rem; }
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.footer-inner p { font-size: 0.88rem; color: var(--text-muted); margin: 0; }
.footer-copy { font-size: 0.78rem !important; opacity: 0.5; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
}

@media (max-width: 700px) {
  .nav-links, .btn-nav { display: none; }
  .burger { display: flex; }
  #navbar .btn-nav { display: none; }

  .hero-title { font-size: clamp(2.4rem, 10vw, 3.5rem); }
  .hero-cta { flex-direction: column; align-items: center; }

  .cta-box { padding: 3rem 1.5rem; }
  .cta-actions { flex-direction: column; align-items: center; }

  .step { gap: 1rem; }
  .step-num { font-size: 2rem; min-width: 55px; }
  .step-connector { margin-left: 27px; }
}