:root {
  --bg-main: #050b14;
  --bg-secondary: #091321;
  --text-primary: #e9f3ff;
  --text-secondary: #9eb5d1;
  --accent-cyan: #32d8ff;
  --accent-blue: #5b7cff;
  --accent-violet: #8a62ff;
  --card-border: rgba(130, 180, 255, 0.28);
  --glass-bg: rgba(14, 28, 46, 0.62);
  --shadow-soft: 0 20px 50px rgba(4, 10, 18, 0.55);
  --radius-xl: 20px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at 0% 0%, #0f2342 0%, transparent 50%),
    radial-gradient(circle at 100% 20%, #1b1252 0%, transparent 45%),
    var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

.background-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(circle at 25% 25%, rgba(61, 171, 255, 0.15), transparent 35%),
    radial-gradient(circle at 75% 10%, rgba(138, 98, 255, 0.14), transparent 35%),
    radial-gradient(circle at 60% 80%, rgba(50, 216, 255, 0.09), transparent 40%);
}

.container {
  width: min(1150px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 6rem 0;
}

.section-title {
  margin: 0 0 2.2rem;
  font-size: clamp(1.85rem, 4vw, 2.7rem);
  letter-spacing: 0.01em;
}

.section-title.left {
  text-align: left;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(4, 10, 18, 0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(130, 180, 255, 0.2);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  border: 1px solid rgba(50, 216, 255, 0.45);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  transition: color 0.25s ease, background-color 0.25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text-primary);
  background: rgba(50, 216, 255, 0.14);
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(130, 180, 255, 0.32);
  color: var(--text-primary);
  background: rgba(12, 26, 43, 0.7);
  border-radius: 12px;
  padding: 0.32rem 0.55rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding-top: 7.5rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.25fr 0.9fr;
  align-items: stretch;
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(2.3rem, 6vw, 3.85rem);
  line-height: 1.12;
}

h2 {
  margin: 0;
  color: #d2e4ff;
  font-size: clamp(1.05rem, 2.2vw, 1.42rem);
  font-weight: 500;
}

.tagline {
  margin-top: 1.1rem;
  color: var(--text-secondary);
  max-width: 60ch;
}

.typing-line {
  margin-top: 1.2rem;
  color: #bed2ec;
  font-family: "JetBrains Mono", monospace;
  min-height: 2rem;
}

.typing-text {
  color: var(--accent-cyan);
  margin-left: 0.35rem;
  border-right: 2px solid var(--accent-cyan);
  padding-right: 0.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  border: none;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.75rem 1.3rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn-primary {
  color: #021220;
  background: linear-gradient(125deg, var(--accent-cyan), #7fe7ff);
  box-shadow: 0 10px 26px rgba(50, 216, 255, 0.26);
}

.btn-secondary {
  color: var(--text-primary);
  border: 1px solid rgba(130, 180, 255, 0.45);
  background: rgba(10, 23, 38, 0.7);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-panel {
  padding: 1.4rem 1.4rem 1.2rem;
}

.hero-panel h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.hero-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.hero-panel li {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.hero-panel a {
  color: #b8deff;
}

/* About */
.about-card {
  padding: 1.5rem 1.6rem;
}

.about-card p {
  margin: 0;
  color: var(--text-secondary);
}

/* Skills */
.skills-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skill-card {
  padding: 1rem 1rem 0.95rem;
}

.skill-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 500;
}

.skill-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(136, 170, 210, 0.2);
  overflow: hidden;
}

.skill-fill {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  transition: width 1.15s ease;
}

/* Tech Stack */
.tech-groups {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tech-group {
  padding: 1.2rem;
}

.tech-group h3 {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
}

.badge-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.badge-wrap span {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: #d8ebff;
  border: 1px solid rgba(130, 180, 255, 0.3);
  border-radius: 999px;
  padding: 0.35rem 0.58rem;
  background: rgba(16, 33, 54, 0.68);
}

/* Experience Timeline */
.timeline {
  display: grid;
  gap: 1rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(50, 216, 255, 0.25), rgba(138, 98, 255, 0.2));
}

.timeline-item {
  margin-left: 1.75rem;
  padding: 1rem 1.2rem 1.1rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.35rem;
  top: 1.1rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 0 4px rgba(50, 216, 255, 0.2);
}

.timeline-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.timeline-item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.timeline-item span {
  color: var(--accent-cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.company {
  margin: 0.3rem 0 0.55rem;
  color: #b6ceeb;
}

.timeline-item ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-secondary);
}

/* Operations */
.ops-card {
  padding: 1.25rem;
}

.ops-card p {
  margin-top: 0;
  color: var(--text-secondary);
}

.ops-list {
  margin: 0;
  padding-left: 1.15rem;
  color: #c8def8;
}

/* Achievements */
.achievement-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.achievement-card {
  padding: 1.15rem;
  color: #cae1ff;
  min-height: 100px;
  display: flex;
  align-items: center;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.achievement-card:hover {
  transform: translateY(-3px);
  border-color: rgba(50, 216, 255, 0.5);
}

/* GitHub */
.github-card {
  padding: 1.25rem;
  max-width: 700px;
}

.github-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
}

.github-card p {
  margin: 0 0 1.2rem;
  color: var(--text-secondary);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1.2fr;
}

.contact-info,
.contact-form {
  padding: 1.3rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin: 0 0 0.65rem;
}

.contact-info a {
  color: #cde5ff;
}

.contact-form {
  display: grid;
  gap: 0.55rem;
}

.contact-form label {
  font-size: 0.9rem;
  color: #bfdbfb;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(130, 180, 255, 0.3);
  border-radius: var(--radius-lg);
  background: rgba(8, 20, 35, 0.72);
  color: var(--text-primary);
  font-family: inherit;
  padding: 0.75rem 0.85rem;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(50, 216, 255, 0.2);
}

.form-status {
  min-height: 1.25rem;
  margin: 0;
  color: #86f1c5;
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(130, 180, 255, 0.25);
  padding: 1.4rem 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
}

.footer-content p {
  margin: 0;
  color: #9eb5d1;
  font-size: 0.9rem;
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Responsive Layout */
@media (max-width: 980px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .achievement-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(7, 18, 31, 0.95);
    border: 1px solid rgba(130, 180, 255, 0.2);
    border-radius: 14px;
    margin-top: 0.6rem;
    padding: 0.5rem;
  }

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

  .nav-wrap {
    flex-wrap: wrap;
    align-items: flex-start;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .skills-grid,
  .tech-groups {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 5rem 0;
  }
}

@media (max-width: 620px) {
  .achievement-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    margin-left: 1.45rem;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item::before {
    left: -1.1rem;
  }
}