:root {
  --bg-primary: #03070d;
  --bg-secondary: #080f18;
  --bg-card: rgba(10, 18, 28, 0.7);
  --bg-card-hover: rgba(14, 26, 40, 0.85);
  --border-subtle: rgba(0, 245, 255, 0.12);
  --border-hover: rgba(0, 245, 255, 0.4);
  --cyan: #00f5ff;
  --cyan-dim: #00b4d8;
  --cyan-glow: rgba(0, 245, 255, 0.25);
  --cyan-soft: rgba(0, 245, 255, 0.08);
  --text-main: #f1f8fc;
  --text-muted: #8499ab;
  --accent-green: #10b981;
  --accent-purple: #c084fc;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Futuristic Cyber Grid & Radial Atmosphere */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    linear-gradient(rgba(0, 245, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.07) 0%, transparent 70%);
  top: -150px;
  right: -150px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(3, 7, 13, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-bracket {
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan-glow);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
}

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

.nav-links a:hover, .nav-links a.active {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: #03070d;
  box-shadow: 0 0 18px var(--cyan-glow);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(0, 245, 255, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* Hero Section */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 110px;
  padding-bottom: 60px;
}

.hero-content {
  max-width: 820px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 24px;
  color: var(--accent-green);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: radar-pulse 2s infinite;
}

@keyframes radar-pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero h1 {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.highlight {
  color: var(--cyan);
  text-shadow: 0 0 16px var(--cyan-glow);
}

.typed-container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  color: var(--cyan-dim);
  font-size: 1.25rem;
  margin-bottom: 20px;
  min-height: 32px;
}

.typed-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--cyan);
  animation: blink 1s infinite;
}

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

.hero-description {
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.65;
  max-width: 680px;
  margin-bottom: 24px;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 245, 255, 0.04);
  border: 1px dashed rgba(0, 245, 255, 0.2);
  border-radius: 6px;
  padding: 8px 14px;
  color: #a4b8ca;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Sections */
section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 44px;
}

.section-tag {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.skill-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-soft);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 8px;
  color: var(--cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.skill-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.04);
  color: #c7d8e6;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 4px 9px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

/* Filter Controls */
.filter-container {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 245, 255, 0.12);
  color: var(--cyan);
  border-color: var(--cyan);
}

/* Projects Showcase */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

/* Clean Flex Header to Prevent Overlaps */
.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.project-badge {
  background: rgba(0, 245, 255, 0.1);
  color: var(--cyan);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid rgba(0, 245, 255, 0.25);
  white-space: nowrap;
  flex-shrink: 0;
}

.project-badge.purple {
  background: rgba(192, 132, 252, 0.1);
  color: var(--accent-purple);
  border-color: rgba(192, 132, 252, 0.25);
}

.project-description {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 16px;
}

.project-features {
  list-style: none;
  margin-bottom: 20px;
}

.project-features li {
  color: #b8ccdb;
  font-size: 0.82rem;
  margin-bottom: 6px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.feature-bullet {
  color: var(--cyan);
  flex-shrink: 0;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.tech-tag {
  background: rgba(255, 255, 255, 0.05);
  color: #9cb2c4;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 28px;
  transition: var(--transition);
}

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

.service-code {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 10px;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Contact / Inquiry Card */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 40px;
  max-width: 760px;
  margin: 0 auto;
}

.contact-card h3 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.contact-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* Inquiry Form */
.inquiry-form {
  margin-top: 20px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--cyan);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(3, 7, 13, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-main);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
}

.email-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px dashed var(--border-subtle);
  padding: 9px 18px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan);
  cursor: pointer;
  transition: var(--transition);
}

.email-box:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 36px 0;
  margin-top: 80px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-secondary);
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.8);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  z-index: 1000;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.3rem; }
  .nav-links { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-card { padding: 24px; }
}