/* =========================================================
   Design Tokens — Modern CV Landing Page
   Accent palette: #7C2ED9
   ========================================================= */
:root {
  --accent: #7c2ed9;
  --accent-hover: #9049e5;
  --accent-text: #a875f2;
  --accent-soft: rgba(124, 46, 217, 0.16);
  --accent-border: rgba(124, 46, 217, 0.42);

  --bg: #0b0c10;
  --bg-elevated: #12141b;
  --bg-card: rgba(20, 23, 31, 0.78);
  --bg-card-hover: rgba(28, 32, 43, 0.92);
  --bg-nav: rgba(11, 12, 16, 0.75);

  --text-primary: #f4f5f7;
  --text-secondary: #a1a8b8;
  --text-muted: #737b8c;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --grid-line: rgba(255, 255, 255, 0.03);

  --shadow-card: 0 12px 32px -12px rgba(0, 0, 0, 0.55);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-sans: var(--font-mono);
  --font-display: var(--font-mono);

  --container: 1080px;
  --transition: 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
  --bg: #f6f7f9;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-nav: rgba(246, 247, 249, 0.82);

  --text-primary: #14161a;
  --text-secondary: #4a5262;
  --text-muted: #6c7486;

  --border: rgba(20, 22, 26, 0.08);
  --border-strong: rgba(20, 22, 26, 0.16);
  --grid-line: rgba(20, 22, 26, 0.035);
  --accent-text: #7c2ed9;
  --accent-soft: rgba(124, 46, 217, 0.1);
  --shadow-card: 0 10px 30px -14px rgba(20, 22, 26, 0.14);
}

/* =========================================================
   Base & Reset
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, p {
  margin: 0;
}

/* Ambient Background */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, #000 40%, transparent 100%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -180px;
  right: -120px;
  width: 580px;
  height: 580px;
  z-index: -1;
  background: radial-gradient(circle, rgba(124, 46, 217, 0.18) 0%, rgba(124, 46, 217, 0) 68%);
  filter: blur(40px);
  pointer-events: none;
}

/* =========================================================
   Navigation
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
}

.brand-text {
  font-size: 1rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1rem;
}

/* =========================================================
   Buttons & Pills
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.2rem;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn:active {
  transform: translateY(1px);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.84rem;
  border-radius: 10px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(124, 46, 217, 0.55);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-border);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-text);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-card);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.pill-accent {
  color: var(--text-primary);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(124, 46, 217, 0.7);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(124, 46, 217, 0.65); }
  70% { box-shadow: 0 0 0 8px rgba(124, 46, 217, 0); }
  100% { box-shadow: 0 0 0 0 rgba(124, 46, 217, 0); }
}

/* =========================================================
   Layout & Hero
   ========================================================= */
.page-wrapper {
  max-width: var(--container);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  padding: 1.5rem 0 4rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.35rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 3.8vw, 2.85rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 0.55rem;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--accent-text);
  margin-bottom: 1.2rem;
}

.hero-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 60ch;
  margin-bottom: 1.85rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.social-links {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: 0.25rem;
}

.social-link {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1.05rem;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

/* Hero Bento Grid */
.hero-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition);
}

.bento-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.highlight-card {
  background: linear-gradient(145deg, var(--accent-soft), var(--bg-card));
  border-color: var(--accent-border);
}

.bento-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.bento-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--accent-text);
}

.bento-value-sm {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
}

.bento-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* =========================================================
   Sections & Cards
   ========================================================= */
.section {
  padding: 2.75rem 0;
}

.section-header {
  margin-bottom: 1.85rem;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 0.35rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.05rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.65rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

/* =========================================================
   Experience Timeline
   ========================================================= */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-left: 1.75rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border) 75%, transparent);
}

.timeline-item {
  position: relative;
}

.timeline-marker {
  position: absolute;
  left: -1.75rem;
  top: 1.85rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}

.timeline-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.role-title {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.company-name {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-text);
}

.date-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  white-space: nowrap;
}

[data-theme="light"] .date-badge {
  background: rgba(20, 22, 26, 0.04);
}

.date-badge.current {
  color: var(--accent-text);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.achievement-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

.achievement-list li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.achievement-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.28rem 0.62rem;
  border-radius: 8px;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

/* =========================================================
   Skills Bento Grid
   ========================================================= */
.skills-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skill-group-wide {
  grid-column: 1 / -1;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--accent-text);
  font-size: 1.05rem;
  flex-shrink: 0;
}

.card-head h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.card-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.95rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  transition: border-color var(--transition), transform var(--transition);
}

.skill-chip i {
  color: var(--accent-text);
}

.skill-chip:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.clean-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.7rem 1rem;
}

.clean-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.93rem;
  color: var(--text-secondary);
}

.clean-list i {
  color: var(--accent-text);
  font-size: 0.8rem;
}

.language-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.language-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.language-item strong {
  display: block;
  font-size: 0.96rem;
}

.language-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.level-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-text) !important;
  border: 1px solid var(--accent-border);
}

/* =========================================================
   Education Grid
   ========================================================= */
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.edu-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.edu-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.edu-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* =========================================================
   Contact Banner & Footer
   ========================================================= */
.contact-banner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--bg-card) 55%);
  border-color: var(--accent-border);
}

.contact-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.contact-copy p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0.95rem;
  border-radius: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  transition: border-color var(--transition), transform var(--transition);
}

.contact-item:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-text);
  flex-shrink: 0;
}

.contact-item small {
  display: block;
  font-size: 0.74rem;
  color: var(--text-muted);
}

.contact-item strong {
  display: block;
  font-size: 0.85rem;
  word-break: break-word;
}

.site-footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .pulse-dot { animation: none; }
}

/* =========================================================
   Responsive Breakpoints
   ========================================================= */
@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 0.5rem;
  }

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

  .contact-banner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem 1.5rem 1.35rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: none;
  }

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

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .nav-actions {
    justify-content: space-between;
  }

  .skills-bento {
    grid-template-columns: 1fr;
  }

  .contact-details {
    grid-template-columns: 1fr;
  }

  .hero-bento {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .hero-bento {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 1.35rem;
  }

  .timeline-marker {
    left: -1.35rem;
  }
}

/* =========================================================
   Print / Save as PDF Stylesheet
   ========================================================= */
@media print {
  @page {
    size: A4;
    margin: 12mm 14mm;
  }

  :root,
  [data-theme="dark"] {
    --bg: #ffffff;
    --bg-elevated: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #14161a;
    --text-secondary: #333a45;
    --text-muted: #596273;
    --border: #d8dde6;
    --border-strong: #c2c9d6;
    --shadow-card: none;
  }

  body {
    background: #fff !important;
    color: #14161a !important;
    font-size: 10pt;
    line-height: 1.45;
  }

  .site-header,
  .bg-grid,
  .bg-glow,
  .hero-cta,
  .site-footer {
    display: none !important;
  }

  .page-wrapper {
    max-width: 100%;
    padding: 0;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 0 1rem;
  }

  .hero-bento {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
  }

  .section {
    padding: 0.8rem 0;
  }

  .card {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    break-inside: avoid;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}