/* ============================================================
   MAIN.CSS — layout, components, utilities
   ============================================================ */

/* ── Fonts (self-hosted) ── */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../assets/fonts/space-grotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../assets/fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/dm-serif-display-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/dm-serif-display-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ── Reset + Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root {
  --bg-primary:     #0a0a0f;
  --bg-secondary:   #111118;
  --bg-glass:       rgba(255, 255, 255, 0.04);
  --accent-primary:  #7c3aed;
  --accent-glow:     #8b5cf6;
  --accent-cyan:     #06b6d4;
  --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;
  --border-subtle:  rgba(124, 58, 237, 0.2);
  --glow-violet:    0 0 40px rgba(124, 58, 237, 0.35);
  --glow-cyan:      0 0 40px rgba(6, 182, 212, 0.25);
  --font-sans:      'Space Grotesk', system-ui, sans-serif;
  --font-display:   'DM Serif Display', Georgia, serif;
  --text-xs:   clamp(0.75rem,  1vw,    0.875rem);
  --text-sm:   clamp(0.875rem, 1.2vw,  1rem);
  --text-base: clamp(1rem,     1.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 2vw,    1.5rem);
  --text-xl:   clamp(1.5rem,   3vw,    2rem);
  --text-2xl:  clamp(2rem,     5vw,    3.5rem);
  --text-hero: clamp(3.5rem,   9vw,    7rem);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
p, h1, h2, h3, h4 { overflow-wrap: break-word; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Focus styles ── */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Skip to content ── */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  background: var(--accent-primary);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }


/* ============================================================
   NAVIGATION
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.01em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition);
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.active { color: var(--text-primary); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition);
  letter-spacing: 0.05em;
}

.lang-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.lang-toggle [data-lang].active { color: var(--accent-cyan); }
.lang-sep { color: var(--text-muted); }

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  transition: color var(--transition);
}
.hamburger:hover { color: var(--text-primary); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ── Mobile menu overlay ── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.mobile-menu:not([hidden]) {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu[hidden] { display: flex !important; }

.mobile-menu__close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition);
}
.mobile-menu__close:hover { color: var(--text-primary); }

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-nav-link {
  font-size: var(--text-xl);
  font-family: var(--font-display);
  color: var(--text-secondary);
  transition: color var(--transition);
}
.mobile-nav-link:hover { color: var(--text-primary); }


/* ============================================================
   HERO
   ============================================================ */

#hero {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}

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

/* Grid lines background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.hero-greeting {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(20px);
}

.hero-name {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  line-height: 1.2;
  letter-spacing: 0.01em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(30px);
}

.hero-tagline {
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: 1.3;
  color: var(--text-secondary);
  min-height: 4rem;
  opacity: 0;
  transform: translateY(20px);
}

.typewriter { color: var(--accent-cyan); font-weight: 500; }

.typewriter-cursor {
  display: inline-block;
  color: var(--accent-cyan);
  animation: blink 0.8s step-end infinite;
  font-weight: 300;
}

.hero-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 580px;
  opacity: 0;
  transform: translateY(20px);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(20px);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scroll-indicator.visible { opacity: 1; }

.scroll-dot {
  animation: scrollDot 1.5s ease-in-out infinite;
}


/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 50px;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  text-decoration: none;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent-gradient);
  color: #fff;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-violet);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.btn--outline:hover {
  border-color: var(--accent-primary);
  background: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn--ghost:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.25);
}

.btn--sm { padding: 0.55rem 1.25rem; font-size: var(--text-xs); }


/* ============================================================
   TIMELINE / JOURNEY
   ============================================================ */

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 3rem;
  padding: 0.5rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--border-subtle) 4%, var(--border-subtle) 96%, transparent);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: flex;
  width: 100%;
  justify-content: flex-end;
  padding-right: calc(50% + 2rem);
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 2rem);
}

.timeline-dot {
  position: absolute;
  top: 0.45rem;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-gradient);
  box-shadow: 0 0 0 4px var(--bg-primary), var(--glow-violet);
  z-index: 1;
}

.timeline-card {
  max-width: 420px;
  width: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.timeline-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-violet);
  border-color: rgba(124, 58, 237, 0.4);
}

.timeline-card--current {
  border-color: rgba(6, 182, 212, 0.45);
  box-shadow: var(--glow-cyan);
}

.timeline-year {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.timeline-role {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.timeline-company {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline-conferences {
  margin-top: 3rem;
  text-align: center;
}

.timeline-conferences-label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.timeline-conferences-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.timeline-conference-chip {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .timeline::before { left: 6px; }

  .timeline-item,
  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: 2rem;
    padding-right: 0;
  }

  .timeline-dot { left: 6px; }

  .timeline-card { max-width: none; }
}


/* ============================================================
   SECTIONS — shared
   ============================================================ */

.section {
  padding: clamp(4rem, 8vw, 7rem) 2rem;
}

.section--alt { background: var(--bg-secondary); }

#about .section-inner {
  display: flex;
  justify-content: center;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-inner--narrow {
  max-width: 700px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.section-heading--center { text-align: center; }

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-base);
  margin-bottom: 3rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ============================================================
   ABOUT
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; justify-items: center; }
}

/* Avatar */
.about-visual { display: flex; justify-content: center; }

.avatar-wrapper {
  position: relative;
  width: 220px;
  height: 220px;
  flex-shrink: 0;
}

.avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--accent-gradient);
  position: relative;
  z-index: 1;
  box-shadow: var(--glow-violet);
  margin: 10px;
  overflow: hidden;
}

.avatar__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--accent-gradient) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: ringPulse 3s ease-in-out infinite;
}

/* About text */
.about-bio {
  color: var(--text-secondary);
  font-size: var(--text-base);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

/* Tech chips */
.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: 540px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  backdrop-filter: blur(8px);
  cursor: default;
}

.chip:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.06);
}


/* ============================================================
   EXPERTISE CARDS
   ============================================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .cards-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

.expertise-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

/* .expertise-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.25s ease;
} */

.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--glow-violet);
  border-color: rgba(124, 58, 237, 0.4);
}

/* .expertise-card:hover::before { opacity: 1; } */

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent-glow);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.expertise-card:hover .card-icon {
  background: rgba(124, 58, 237, 0.2);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.card-desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}


/* ============================================================
   CASE STUDIES / PROJECTS
   ============================================================ */

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .case-grid { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
}

.case-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--glow-violet);
  border-color: rgba(124, 58, 237, 0.4);
}

.case-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent-glow);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.case-card:hover .case-icon {
  background: rgba(124, 58, 237, 0.2);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

.case-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: 1.6rem;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.case-row {
  margin-bottom: 1.3rem;
}

.case-row:last-child { margin-bottom: 0; }

.case-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 900;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.case-text {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}


/* ============================================================
   CONTACT
   ============================================================ */

.contact-desc {
  color: var(--text-secondary);
  font-size: var(--text-base);
  text-align: center;
  margin-bottom: 2.5rem;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-violet);
  border-color: rgba(124, 58, 237, 0.4);
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-glow);
  flex-shrink: 0;
  transition: background 0.25s ease;
}

.contact-card:hover .contact-card__icon {
  background: rgba(124, 58, 237, 0.25);
}

.contact-card__text {
  flex: 1;
  font-weight: 500;
  color: var(--text-primary);
  font-size: var(--text-base);
}

.contact-card__arrow {
  color: var(--text-muted);
  font-size: var(--text-lg);
  transition: color 0.25s ease, transform 0.25s ease;
}

.contact-card:hover .contact-card__arrow {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

#contact {
  position: relative;
  overflow: hidden;
}

#contact-particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.9;
}

#contact .section-inner {
  position: relative;
  z-index: 1;
}

.contact-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  text-align: center;
}

.contact-divider::before,
.contact-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-form__honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: var(--text-primary);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  resize: vertical;
}

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

.form-group input:hover,
.form-group textarea:hover {
  border-color: rgba(124, 58, 237, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.contact-form__submit {
  align-self: flex-start;
}

.contact-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.contact-form__status {
  font-size: var(--text-sm);
  min-height: 1.5em;
}

.contact-form__status.is-success { color: var(--accent-cyan); }
.contact-form__status.is-error   { color: #f87171; }


/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  padding: 2rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-inner small {
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.privacy-link {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: color var(--transition);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}
.privacy-link:hover { color: var(--text-secondary); text-decoration-color: currentColor; }


/* ============================================================
   PRIVACY MODAL
   ============================================================ */

.privacy-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.privacy-modal:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}
.privacy-modal[hidden] { display: flex !important; }

.privacy-modal__inner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.privacy-modal:not([hidden]) .privacy-modal__inner { transform: translateY(0); }

.privacy-modal__inner h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.privacy-modal__inner p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.privacy-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  transition: color var(--transition);
  border-radius: 4px;
}
.privacy-modal__close:hover { color: var(--text-primary); }


/* ============================================================
   COOKIE BANNER
   ============================================================ */

.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  width: min(560px, calc(100% - 2rem));
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  z-index: 9999;
  box-shadow: var(--glow-violet);
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.cookie-banner[hidden] { display: none; }

.cookie-banner__content {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cookie-banner__content p {
  flex: 1;
  min-width: 200px;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: 1.6;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}


/* ============================================================
   REVEAL / SCROLL ANIMATIONS
   ============================================================ */

.reveal-section .section-heading,
.reveal-section .section-subtitle,
.reveal-section .about-bio,
.reveal-section .tech-chips,
.reveal-section .contact-desc,
.reveal-section .contact-links,
.reveal-section .contact-divider,
.reveal-section .contact-form,
.stagger-item {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-section.in-view .section-heading,
.reveal-section.in-view .section-subtitle,
.reveal-section.in-view .about-bio,
.reveal-section.in-view .tech-chips,
.reveal-section.in-view .contact-desc,
.reveal-section.in-view .contact-links,
.reveal-section.in-view .contact-divider,
.reveal-section.in-view .contact-form {
  opacity: 1;
  transform: translateY(0);
}

.reveal-section.in-view .section-subtitle { transition-delay: 0.1s; }
.reveal-section.in-view .about-bio         { transition-delay: 0.15s; }
.reveal-section.in-view .tech-chips        { transition-delay: 0.35s; }
.reveal-section.in-view .contact-desc      { transition-delay: 0.1s; }
.reveal-section.in-view .contact-links     { transition-delay: 0.2s; }
.reveal-section.in-view .contact-divider   { transition-delay: 0.3s; }
.reveal-section.in-view .contact-form      { transition-delay: 0.4s; }

.stagger-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Hero reveal classes — added by JS */
.hero-animate { animation: heroReveal 0.8s ease forwards; }


/* ============================================================
   CUSTOM CURSOR (desktop only)
   ============================================================ */

@media (pointer: fine) {
  .custom-cursor {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-cyan);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, opacity 0.2s;
    mix-blend-mode: screen;
  }

  .custom-cursor.hovering {
    width: 32px;
    height: 32px;
    background: rgba(6, 182, 212, 0.3);
    border: 1px solid var(--accent-cyan);
  }
}


/* ============================================================
   UTILITY — gradient text standalone
   ============================================================ */

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal-section .section-heading,
  .reveal-section .section-subtitle,
  .reveal-section .about-bio,
  .reveal-section .tech-chips,
  .reveal-section .contact-desc,
  .reveal-section .contact-links,
  .reveal-section .contact-divider,
  .reveal-section .contact-form,
  .stagger-item,
  .hero-greeting,
  .hero-name,
  .hero-tagline,
  .hero-description,
  .hero-cta {
    opacity: 1 !important;
    transform: none !important;
  }
}