/* ── TOKENS ── */
:root {
  --bg:       #0a0c0f;
  --bg2:      #10131a;
  --bg3:      #161b25;
  --accent:   #00e676;
  --accent2:  #00bcd4;
  --text:     #e8eaf0;
  --muted:    #6b7280;
  --border:   rgba(0,230,118,.18);
  --glow:     0 0 32px rgba(0,230,118,.25);
  --radius:   12px;
  --ff-head:  'Syne', sans-serif;
  --ff-mono:  'Space Mono', monospace;
  --nav-h:    70px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { 
  scroll-behavior: smooth; 
}
body {
  font-family: var(--ff-mono);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .4;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  background: rgba(10,12,15,.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--ff-head);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: .05em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

/* hamburger */
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); transition: .3s; border-radius: 2px; }
.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,12,15,.97); backdrop-filter: blur(20px);
  padding: 2rem; z-index: 99; border-bottom: 1px solid var(--border);
  flex-direction: column; gap: 1.5rem; list-style: none;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.mobile-menu a:hover { color: var(--accent); }

/* ── SECTIONS ── */
section { position: relative; z-index: 1; }

/* ── BUTTONS ── */
.btn {
  padding: .75rem 1.8rem; border-radius: var(--radius);
  font-family: var(--ff-mono); font-size: .82rem; letter-spacing: .1em;
  text-transform: uppercase; cursor: pointer; transition: .25s;
  display: inline-flex; align-items: center; gap: .5rem;
  border: none;
}
.btn-primary {
  background: var(--accent); color: #000; font-weight: 700;
  box-shadow: var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 48px rgba(0,230,118,.45); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* pitch lines bg */
.pitch-bg {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.pitch-bg::before {
  content: '';
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px; border-radius: 50%;
  border: 1px solid rgba(0,230,118,.07);
}
.pitch-bg::after {
  content: '';
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 400px; height: 400px; border-radius: 50%;
  border: 1px solid rgba(0,230,118,.05);
}
.pitch-line {
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: rgba(0,230,118,.05);
}

/* ── SECTION SHARED ── */
.section-wrap { max-width: 1100px; margin: 0 auto; padding: 6rem 5%; }
.section-label {
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .8rem;
}
.section-title {
  font-family: var(--ff-head); font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 1.5rem;
}
.divider {
  width: 48px; height: 3px; background: var(--accent);
  border-radius: 2px; margin-bottom: 2.5rem;
}

/* ── HERO (HOME PAGE) ── */
#home {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: calc(var(--nav-h) + 2rem) 5% 4rem;
}
.hero-inner {
  max-width: 1100px; width: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.hero-text { text-align: left; }
.hero-tag {
  display: inline-block;
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--border);
  padding: .4rem 1rem; border-radius: 99px;
  margin-bottom: 1.5rem;
  animation: fadeUp .6s ease both;
}
.hero-name {
  font-family: var(--ff-head);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -.02em;
  animation: fadeUp .7s .1s ease both;
}
.hero-name .accent { color: var(--accent); }
.hero-sub {
  margin-top: 1.2rem; font-size: clamp(.85rem, 1.8vw, 1rem);
  color: var(--muted); max-width: 480px; line-height: 1.8;
  animation: fadeUp .7s .2s ease both;
}
.hero-cta {
  margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap;
  animation: fadeUp .7s .3s ease both;
}

/* photo side */
.hero-photo-wrap {
  display: flex; justify-content: center; align-items: center;
  animation: fadeUp .8s .15s ease both;
}
.hero-photo-frame {
  position: relative; width: 340px; height: 340px;
}
.hero-photo-frame::before {
  content: '';
  position: absolute; inset: -10px; border-radius: 50%;
  border: 2px dashed rgba(0,230,118,.35);
  animation: spin 18s linear infinite;
}
.hero-photo-frame::after {
  content: '';
  position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid rgba(0,230,118,.15);
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-photo {
  width: 340px; height: 340px; border-radius: 50%;
  object-fit: cover; object-position: center top;
  border: 4px solid var(--bg3);
  box-shadow: 0 0 60px rgba(0,230,118,.2), 0 20px 60px rgba(0,0,0,.5);
  position: relative; z-index: 1;
}

/* Photo placeholder */
.hero-photo-placeholder {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: var(--bg3);
  border: 4px solid var(--bg3);
  box-shadow: 0 0 60px rgba(0,230,118,.2), 0 20px 60px rgba(0,0,0,.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  color: var(--muted);
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition: border-color .2s;
}
.hero-photo-placeholder:hover {
  border-color: var(--accent);
}
.hero-photo-placeholder i {
  font-size: 3rem;
  color: rgba(0,230,118,.4);
}
.hero-photo-placeholder span {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ── ABOUT ── */
#about { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text p { color: var(--muted); line-height: 1.9; font-size: .9rem; margin-bottom: 1rem; }
.skills-title {
  font-family: var(--ff-head); font-size: 1rem; font-weight: 600;
  margin: 2rem 0 1rem; color: var(--text);
}
.lang-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.lang-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem 1.4rem;
  display: flex; align-items: center; gap: 1rem;
  transition: border-color .2s, transform .2s;
}
.lang-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.lang-card i { font-size: 1.8rem; }
.lang-card .lang-name { font-size: .85rem; font-weight: 700; color: var(--text); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.stat-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem;
  text-align: center;
}
.stat-number { font-family: var(--ff-head); font-size: 2.4rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: .75rem; color: var(--muted); margin-top: .3rem; letter-spacing: .1em; text-transform: uppercase; }

/* ── PORTFOLIO ── */
#portfolio { background: var(--bg); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.project-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px); border-color: var(--accent);
  box-shadow: var(--glow);
}
.project-thumb {
  height: 200px; position: relative; overflow: hidden;
  background: var(--bg3);
  display: grid; place-items: center;
}
.project-thumb-icon { font-size: 4rem; color: var(--border); transition: .3s; }
.project-card:hover .project-thumb-icon { color: var(--accent); transform: scale(1.1); }
.project-thumb-badge {
  position: absolute; top: 1rem; right: 1rem;
  background: rgba(0,230,118,.15); color: var(--accent);
  font-size: .65rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 99px; border: 1px solid var(--border);
}
.project-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: .8rem; }
.project-title { font-family: var(--ff-head); font-size: 1.15rem; font-weight: 700; }
.project-desc { font-size: .82rem; color: var(--muted); line-height: 1.7; flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag {
  font-size: .65rem; letter-spacing: .1em; text-transform: uppercase;
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--muted); padding: .25rem .6rem; border-radius: 99px;
}
.project-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .78rem; color: var(--accent); margin-top: .5rem;
  transition: gap .2s;
}
.project-link:hover { gap: .7rem; }

/* ── SKILLS SECTION ── */
.skills-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.skills-block {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color .25s, box-shadow .25s;
}
.skills-block:hover {
  border-color: var(--accent);
  box-shadow: var(--glow);
}
.skills-block-header {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-family: var(--ff-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.skills-block-header i { font-size: 1.2rem; }
.skills-list { display: flex; flex-direction: column; gap: .75rem; }
.skill-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .88rem;
  color: var(--text);
  padding: .6rem 1rem;
  background: var(--bg3);
  border-radius: 8px;
  border: 1px solid transparent;
  transition: border-color .2s, transform .2s;
}
.skill-item:hover {
  border-color: var(--border);
  transform: translateX(4px);
}
.skill-item i { color: var(--accent); font-size: .65rem; }

@media (max-width: 800px) {
  .skills-section-grid { grid-template-columns: 1fr; }
}

/* ── CONTACT ── */
#contact { background: var(--bg2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem; align-items: start; }
.contact-info-list { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 1rem; }
.contact-info-item {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem; transition: border-color .2s;
}
.contact-info-item:hover { border-color: var(--accent); }
.contact-info-item i { color: var(--accent); width: 20px; text-align: center; margin-top: 2px; }
.ci-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: .2rem; }
.ci-value { font-size: .88rem; color: var(--text); }
.form-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.form-group label { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.form-group input, .form-group textarea {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  font-family: var(--ff-mono); font-size: .88rem;
  padding: .8rem 1rem; outline: none; transition: border-color .2s;
  width: 100%;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-submit { width: 100%; justify-content: center; border: none; }
.success-msg {
  display: none; background: rgba(0,230,118,.12); border: 1px solid var(--border);
  border-radius: 8px; color: var(--accent); text-align: center;
  padding: .8rem; font-size: .85rem; margin-top: 1rem;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border); text-align: center;
  padding: 2.5rem 5%; position: relative; z-index: 1;
}
.footer-logo {
  font-family: var(--ff-head); font-size: 1rem; font-weight: 800;
  color: var(--accent); margin-bottom: .5rem;
}
.footer-copy { font-size: .75rem; color: var(--muted); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
  .hero-text { order: 2; }
  .hero-photo-wrap { order: 1; }
  .hero-cta { justify-content: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-photo-frame, .hero-photo, .hero-photo-placeholder { width: 220px; height: 220px; }
}
@media (max-width: 480px) {
  .lang-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}