:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --accent: #fbcb2b;
  --accent-light: #fcd85c;
  --accent-glow: rgba(251, 203, 43, 0.15);
  --accent-2: #8b5cf6;
  --accent-2-glow: rgba(139, 92, 246, 0.12);
  --text-primary: #eee;
  --text-secondary: #999;
  --text-muted: #555;
  --border: rgba(255,255,255,0.06);
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-primary);
}

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

::selection {
  background: var(--accent);
  color: #0a0a0f;
}

a { color: var(--accent); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-light); }

.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(10,10,15,0.7);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

nav.scrolled {
  padding: 0.6rem 2rem;
  background: rgba(10,10,15,0.92);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

/* ── Download CV button in nav ── */
.btn-download-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.5px;
}

.btn-download-nav:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(251,203,43,0.3);
}

.btn-download-nav svg {
  flex-shrink: 0;
}

.lang-switcher {
  display: flex;
  gap: 2px;
  background: var(--bg-card);
  border-radius: 8px;
  padding: 3px;
  border: 1px solid var(--border);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.5px;
}

.lang-btn.active {
  background: var(--accent);
  color: #0a0a0f;
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--accent);
  margin: 5px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

/* ══════════ CV MODAL ══════════ */
.cv-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

.cv-modal-overlay.active {
  display: flex;
}

.cv-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 420px;
  width: 90%;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.cv-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
}

.cv-modal-close:hover {
  color: var(--text-primary);
}

.cv-modal-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.cv-modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.cv-modal-options {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.cv-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
  cursor: pointer;
  transition: all 0.3s;
  text-align: left;
  font-family: var(--font-body);
  color: var(--text-primary);
}

.cv-option:hover {
  border-color: rgba(251,203,43,0.3);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.cv-option-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.cv-option-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cv-option-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.cv-option-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.cv-option-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.3s;
}

.cv-option:hover .cv-option-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ══════════ END MODAL ══════════ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 2rem 4rem;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatBlob 8s ease-in-out infinite;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 5%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-2-glow) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatBlob 10s ease-in-out infinite reverse;
  pointer-events: none;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-text { position: relative; z-index: 1; }

.hero-greeting {
  font-family: var(--font-body); font-size: 1rem; font-weight: 500;
  color: var(--accent); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 1rem; opacity: 0; animation: slideUp 0.6s ease forwards 0.2s;
}

.hero-name {
  font-family: var(--font-display); font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -2px;
  margin-bottom: 0.5rem; opacity: 0; animation: slideUp 0.6s ease forwards 0.4s;
}

.hero-name .accent { color: var(--accent); }

.hero-title {
  font-family: var(--font-display); font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 600; color: var(--text-secondary); margin-bottom: 1.5rem;
  opacity: 0; animation: slideUp 0.6s ease forwards 0.6s;
}

.hero-desc {
  font-size: 1rem; color: var(--text-secondary); max-width: 480px;
  line-height: 1.8; margin-bottom: 2rem;
  opacity: 0; animation: slideUp 0.6s ease forwards 0.8s;
}

.hero-cta {
  display: flex; gap: 1rem;
  opacity: 0; animation: slideUp 0.6s ease forwards 1s;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; font-family: var(--font-body); font-size: 0.9rem;
  font-weight: 600; border-radius: 12px; cursor: pointer;
  transition: all 0.3s; border: none;
}

.btn-primary {
  background: var(--accent); color: #0a0a0f;
  box-shadow: 0 4px 20px rgba(251,203,43,0.3);
}

.btn-primary:hover {
  background: var(--accent-light); transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(251,203,43,0.4);
}

.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.15);
}

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

.hero-visual {
  position: relative; z-index: 1; display: flex;
  justify-content: center; align-items: center;
  opacity: 0; animation: fadeIn 0.8s ease forwards 0.6s;
}

.photo-frame {
  width: 340px; height: 420px; border-radius: 24px; overflow: hidden;
  position: relative; background: var(--bg-card);
  border: 1px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.photo-frame::before {
  content: ''; position: absolute; inset: 0; border-radius: 24px; padding: 2px;
  background: linear-gradient(135deg, var(--accent), transparent 50%, var(--accent-2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}

.photo-placeholder {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: var(--text-muted);
  font-size: 0.85rem; gap: 12px;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
}

.photo-placeholder svg { width: 48px; height: 48px; opacity: 0.3; }

.photo-placeholder img { width: 100%; height: 100%; object-fit: cover; }

.float-badge {
  position: absolute; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 16px; font-size: 0.8rem; font-weight: 600;
  color: var(--text-primary); backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3); white-space: nowrap;
  animation: floatBadge 6s ease-in-out infinite;
}

.float-badge:nth-child(2) { top: 10%; right: -20px; animation-delay: 0s; }
.float-badge:nth-child(3) { bottom: 20%; left: -30px; animation-delay: 2s; }
.float-badge:nth-child(4) { bottom: 5%; right: -10px; animation-delay: 4s; }
.float-badge .badge-icon { margin-right: 6px; }

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

section { position: relative; z-index: 1; padding: 6rem 2rem; }

.section-container { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-family: var(--font-body); font-size: 0.8rem; font-weight: 600;
  color: var(--accent); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-heading {
  font-family: var(--font-display); font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800; letter-spacing: -1px; margin-bottom: 3rem; line-height: 1.1;
}

.section-heading span { color: var(--accent); }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

#experience { background: var(--bg-secondary); }

.timeline { position: relative; padding-left: 40px; }

.timeline::before {
  content: ''; position: absolute; left: 14px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
}

.timeline-item { position: relative; margin-bottom: 3rem; padding-bottom: 1rem; }

.timeline-dot {
  position: absolute; left: -33px; top: 6px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--accent); border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-glow), 0 0 15px var(--accent-glow);
}

.timeline-item:nth-child(2) .timeline-dot { background: var(--accent-2); box-shadow: 0 0 0 3px var(--accent-2-glow), 0 0 15px var(--accent-2-glow); }
.timeline-item:nth-child(3) .timeline-dot { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow), 0 0 15px var(--accent-glow); }

.timeline-date { font-size: 0.8rem; font-weight: 600; color: var(--accent); margin-bottom: 0.3rem; letter-spacing: 0.5px; }
.timeline-item:nth-child(2) .timeline-date { color: var(--accent-2); }
.timeline-item:nth-child(3) .timeline-date { color: var(--accent); }

.timeline-role { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 0.2rem; }
.timeline-company { font-size: 0.95rem; color: var(--text-secondary); font-weight: 500; margin-bottom: 1rem; }

.timeline-bullets { list-style: none; }
.timeline-bullets li { position: relative; padding-left: 20px; margin-bottom: 0.5rem; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.timeline-bullets li::before { content: '▸'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.timeline-item:nth-child(2) .timeline-bullets li::before { color: var(--accent-2); }
.timeline-item:nth-child(3) .timeline-bullets li::before { color: var(--accent); }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }

.skill-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  padding: 2rem; transition: all 0.4s; position: relative; overflow: hidden;
}

.skill-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s;
}

.skill-card:hover { border-color: rgba(251,203,43,0.2); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.skill-card:hover::before { transform: scaleX(1); }

.skill-card-icon {
  width: 44px; height: 44px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 1rem; font-size: 1.3rem;
}

.skill-card:nth-child(1) .skill-card-icon { background: rgba(251,203,43,0.12); }
.skill-card:nth-child(2) .skill-card-icon { background: rgba(139,92,246,0.12); }
.skill-card:nth-child(3) .skill-card-icon { background: rgba(251,203,43,0.12); }
.skill-card:nth-child(4) .skill-card-icon { background: rgba(139,92,246,0.12); }
.skill-card:nth-child(5) .skill-card-icon { background: rgba(251,203,43,0.12); }
.skill-card:nth-child(6) .skill-card-icon { background: rgba(139,92,246,0.12); }

.skill-card-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.8rem; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-tag {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-secondary); font-size: 0.78rem; padding: 5px 12px;
  border-radius: 20px; font-weight: 500; transition: all 0.3s;
}
.skill-tag:hover { background: var(--accent-glow); border-color: rgba(251,203,43,0.3); color: var(--accent); }

#education { background: var(--bg-secondary); }

.edu-lang-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }

.edu-block, .lang-block {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem;
}

.edu-degree { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; margin-bottom: 0.3rem; }
.edu-school { color: var(--accent); font-weight: 500; margin-bottom: 0.3rem; }
.edu-detail { font-size: 0.85rem; color: var(--text-secondary); }

.lang-item { display: flex; justify-content: space-between; align-items: center; padding: 0.7rem 0; border-bottom: 1px solid var(--border); }
.lang-item:last-child { border-bottom: none; }
.lang-name { font-weight: 600; font-size: 0.95rem; }
.lang-level { font-size: 0.8rem; color: var(--text-secondary); background: rgba(255,255,255,0.04); padding: 3px 10px; border-radius: 6px; }

.contact-grid { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 2rem; }

.contact-card {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem; display: flex;
  align-items: center; gap: 1rem; transition: all 0.3s;
}

.contact-card:hover { border-color: rgba(251,203,43,0.2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

.contact-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(251,203,43,0.1); display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}

.contact-icon svg { width: 20px; height: 20px; fill: var(--accent); }

.contact-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.contact-value { font-size: 0.9rem; font-weight: 500; color: var(--text-primary); margin-top: 2px; }

footer { text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.8rem; border-top: 1px solid var(--border); position: relative; z-index: 1; }

@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0; animation: slideUp 0.6s ease forwards 1.4s;
}
.scroll-indicator span { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; }
.scroll-arrow { width: 24px; height: 24px; border-right: 2px solid var(--text-muted); border-bottom: 2px solid var(--text-muted); transform: rotate(45deg); animation: scrollBounce 2s ease-in-out infinite; }
@keyframes scrollBounce { 0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; } 50% { transform: rotate(45deg) translateY(6px); opacity: 1; } }

/* ═══════════ RESPONSIVE ═══════════ */

@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .hero-name, .hero-title, .hero-greeting, .hero-desc { text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { order: -1; }
  .photo-frame { width: 260px; height: 320px; }
  .float-badge { display: none; }
  .scroll-indicator { display: none; }
  .edu-lang-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .contact-grid { flex-direction: column; }
  .contact-card { flex: none; width: 100%; }
  .hero::before, .hero::after { display: none; }

  .nav-links.mobile-open {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(10,10,15,0.97); padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border); gap: 1.2rem;
  }

  .cv-modal { padding: 1.8rem; }
}

@media (max-width: 600px) {
  section { padding: 4rem 1.2rem; }
  .hero { padding: 7rem 1.2rem 3rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
}