:root {
  --bg: #0a0c10;
  --surface: #111318;
  --surface2: #1a1d24;
  --accent: #e8c84a;
  --accent2: #4ae8c8;
  --text: #e8e8e0;
  --muted: #7a7a72;
  --border: rgba(232,200,74,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
}

/* NAV */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  padding: 1.2rem 3rem;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(10,12,16,0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 3px;
  color: var(--accent);
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; margin-left: 40rem; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--accent); }

.nav-lang { margin-left: 1rem; }
#lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.45rem 0.6rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
}
#lang-toggle:hover { color: var(--accent); border-color: rgba(232,200,74,0.45); }

/* HERO */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 6rem 5rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(232,200,74,0.05) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(74,232,200,0.04) 0%, transparent 50%);
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
}
.hero-content { position: relative; z-index: 1; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent2);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent2);
}
.hero-name, .hero-lastname {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 8vw, 8rem);
  line-height: 0.9;
  letter-spacing: 2px;
  margin-bottom: 2rem;
}
.hero-lastname {  
  color: var(--accent); 
}
.hero-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.hero-cta {
  display: flex; gap: 1rem;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #0a0c10;
}
.btn-primary:hover { background: #f0d860; transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.hero-image-wrap {
  position: relative; z-index: 1;
  display: flex; justify-content: center; align-items: center;
}
.hero-img-frame {
  position: relative;
  width: 380px;
}
.hero-img-frame::before {
  content: '';
  position: absolute;
  top: -12px; left: -12px;
  width: 100%; height: 100%;
  border: 2px solid var(--accent);
  z-index: -1;
}
.hero-img-frame::after {
  content: 'ELECTRICAL ENGINEER';
  position: absolute;
  bottom: 20px; left: -20px;
  background: var(--accent);
  color: #0a0c10;
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 3px;
  padding: 0.4rem 1rem;
  transform: rotate(-90deg);
  transform-origin: bottom left;
  white-space: nowrap;
}
.hero-img-frame img {
  width: 100%; display: block;
  filter: grayscale(20%);
}
.hero-stats {
  position: absolute;
  bottom: -20px; right: -30px;
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 1.2rem 1.5rem;
}
.hero-stats .stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
  margin-top: 1rem;
}
.hero-stats .stat-label {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* SECTION COMMON */
section { padding: 6rem 5rem; }
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 0.8rem;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 1rem;
}
.divider {
  width: 60px; height: 3px;
  background: var(--accent);
  margin-bottom: 1rem;
}

/* ABOUT */
#about {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.about-photos img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  filter: grayscale(15%);
  transition: filter 0.3s, transform 0.3s;
}
.about-photos img:hover { filter: grayscale(0); transform: scale(1.02); }
.about-photos img:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16/9;
  object-position: center 20%;
}
.info-list { margin-top: 2rem; }
.info-item {
  display: flex;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1.5rem;
}
.info-key {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  width: 180px;
}
.info-val {
  font-size: 0.9rem;
  color: rgba(232,232,224,0.8);
}

/* EXPERIENCE */
#experience { background: var(--bg); }
.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
  overflow: hidden;
}
.exp-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--accent);
  transition: height 0.4s;
}
.exp-card:hover::before { height: 100%; }
.exp-card:hover { border-color: rgba(232,200,74,0.4); transform: translateY(-4px); }
.exp-logo {
  height: 300px;
  margin-bottom: 1.5rem;
  display: flex; 
  align-items: center;
  justify-content: center;
}
.exp-logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
  filter: brightness(0.9) saturate(0.8);
}
.exp-period {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--accent2);
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}
.exp-role {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 1px;
  margin-bottom: 0.3rem;
  color: var(--text);
}
.exp-company {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.exp-duties {
  list-style: none;
  margin-top: 1rem;
}
.exp-duties li {
  font-size: 0.82rem;
  color: rgba(232,232,224,0.65);
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}
.exp-duties li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--accent);
  font-size: 0.7rem;
}

/* EDUCATION */
#education {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.edu-timeline {
  display: flex;
  justify-content: space-between;
  border-top: 2px solid var(--border);
  padding-left: 2.5rem;
  position: relative;
}
.edu-item {
  position: relative;
  padding-top: 1rem;
}
.edu-item::before {
  content: '';
  position: absolute;
  left: -2.6rem; top: 6px;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}
.edu-year {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--accent2);
  letter-spacing: 3px;
  margin-bottom: 0.4rem;
}
.edu-school {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.edu-major {
  font-size: 0.9rem;
  color: var(--muted);
}
.edu-logo-wrap {
  margin-top: 0.8rem;
}
.edu-logo-wrap img {
  height: 300px;
  width: auto;
  object-fit: contain;
  filter: brightness(0.8) grayscale(20%);
}

/* SKILLS */
#skills { background: var(--bg); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
}
.skill-group-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}
.skill-tag {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  margin: 0.3rem;
  border: 1px solid var(--border);
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: rgba(232,232,224,0.7);
  letter-spacing: 1px;
  transition: all 0.3s;
}
.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(232,200,74,0.05);
}

/* CONTACT */
#contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.2rem 1.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s;
}
.contact-item:hover { border-color: var(--accent); }
.contact-icon {
  width: 40px; height: 40px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  color: #0a0c10;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.contact-value { font-size: 0.9rem; }

/* FOOTER */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 2rem 5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-text {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 2px;
}

/* SCROLL ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s, transform 0.7s;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  #hero { grid-template-columns: 1fr; padding: 7rem 1.5rem 3rem; gap: 3rem; }
  .hero-image-wrap { width: 80%; height: auto; }
  section { padding: 4rem 1.5rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .info-key { width: 100px; }
  .info-val { width: 200px; }
  .exp-grid { grid-template-columns: 1fr; }
  .edu-timeline { flex-direction: column; gap: 2rem; border-left: 2px solid var(--border); }
  .skills-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 1rem; padding: 2rem 1.5rem; }
}