/* ── RESET & TOKENS ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:         #080c10;
  --bg2:        #0c1118;
  --bg3:        #0f1520;
  --surface:    #111827;
  --border:     rgba(255, 255, 255, 0.07);
  --red:        #e63946;
  --red-dim:    rgba(230, 57, 70, 0.12);
  --sky:        #38bdf8;
  --text:       #e2e8f0;
  --muted:      #64748b;
  --tag:        #1e293b;
  --ff-display: 'Syne', sans-serif;
  --ff-mono:    'Space Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-display);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ── GRID TEXTURE ── */
.grid-bg {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* ── SCROLL PROGRESS ── */
#prog {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--red);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ── NAVBAR ── */
nav {
  position: sticky;
  top: 0; z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 60px;
  background: rgba(8,12,16,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--ff-mono);
  font-size: 18px; font-weight: 700;
  color: var(--text);
  letter-spacing: -1px;
  text-decoration: none;
}
.nav-logo span { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--ff-mono);
  font-size: 12px; letter-spacing: 1px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-social {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-social a {
  display: flex;
  opacity: 0.55;
  transition: opacity 0.2s;
}
.nav-social a:hover { opacity: 1; }
.nav-social svg { width: 18px; height: 18px; fill: var(--text); }

.nav-sep {
  width: 1px; height: 20px;
  background: var(--border);
}

.hamburger {
  display: none;
  background: none; border: none;
  cursor: pointer;
  color: var(--text); font-size: 22px;
}

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 60px; right: 0;
  width: 260px; z-index: 899;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-top: none;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 16px 24px;
  font-family: var(--ff-mono); font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s, color 0.2s;
}
.mobile-menu a:hover { background: var(--surface); color: var(--text); }

/* ── HERO ── */
#home {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px 80px 80px;
  position: relative;
}

.hero-tag {
  font-family: var(--ff-mono);
  color: var(--muted); font-size: 14px; letter-spacing: 2px;
  margin-bottom: 24px;
}

.hero-name {
  font-family: var(--ff-display);
  font-size: clamp(56px, 9vw, 108px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -3px;
  color: var(--text);
  margin-bottom: 28px;
}
.hero-name .accent { color: var(--red); }

.hero-role {
  font-family: var(--ff-mono);
  font-size: clamp(13px, 2vw, 17px);
  letter-spacing: 6px;
  color: var(--muted);
  margin-bottom: 32px;
}

.hero-desc {
  display: flex;
  max-width: 580px;
  margin-bottom: 44px;
}
.hero-bar {
  width: 3px; flex-shrink: 0;
  background: var(--red);
  margin-right: 18px;
  border-radius: 2px;
}
.hero-desc p {
  font-size: 16px; line-height: 1.85;
  color: #94a3b8;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
  background: var(--red);
  color: #fff;
  font-family: var(--ff-mono);
  font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px;
  padding: 14px 28px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: #c1121f; transform: translateY(-2px); }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px;
  padding: 14px 28px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.15s;
}
.btn-ghost:hover { border-color: var(--muted); transform: translateY(-2px); }

.hero-stats {
  position: absolute;
  bottom: 48px; right: 80px;
  display: flex; gap: 40px;
}
.stat { text-align: right; }
.stat-num {
  display: block;
  font-family: var(--ff-mono); font-size: 28px; font-weight: 700;
  color: var(--text); line-height: 1;
}
.stat-label {
  font-family: var(--ff-mono); font-size: 11px; letter-spacing: 1px;
  color: var(--muted);
}

.scroll-hint {
  position: absolute;
  bottom: 48px; left: 80px;
  font-family: var(--ff-mono); font-size: 11px;
  letter-spacing: 3px; color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

/* ── SECTIONS ── */
section { padding: 100px 80px; }
section.dark { background: var(--bg2); }

.sec-tag {
  font-family: var(--ff-mono); font-size: 12px;
  letter-spacing: 2px; color: var(--red);
  margin-bottom: 12px;
}

.sec-title {
  font-family: var(--ff-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800; letter-spacing: -2px;
  color: var(--text); margin-bottom: 24px;
}
.sec-title .ul { color: var(--red); }

.sec-desc {
  max-width: 680px;
  font-size: 16px; line-height: 1.85;
  color: #64748b;
  margin-bottom: 60px;
}

/* ── ABOUT ── */
#about p {
  max-width: 720px;
  font-size: 17px; line-height: 1.9;
  color: #94a3b8;
}
#about p + p { margin-top: 20px; }
.about-highlight { color: var(--text); font-weight: 600; }

/* ── EXPERTISE ── */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.exp-card {
  position: relative;
  padding: 44px 36px;
  background: var(--bg3);
  border: 1px solid var(--border);
  overflow: hidden;
}
.exp-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--red-dim);
  opacity: 0; transition: opacity 0.3s;
}
.exp-card:hover::before { opacity: 1; }

.exp-num {
  position: absolute; top: 28px; right: 28px;
  font-family: var(--ff-mono); font-size: 11px;
  letter-spacing: 2px; color: var(--muted);
}

.exp-icon {
  width: 48px; height: 48px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 24px;
  background: var(--surface);
}

.exp-card h3 {
  font-family: var(--ff-display);
  font-size: 18px; font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.exp-card p { font-size: 14px; line-height: 1.8; color: #64748b; }

/* ── SKILLS ── */
.skills-groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.skill-group h4 {
  font-family: var(--ff-mono);
  font-size: 11px; letter-spacing: 2px;
  color: var(--red); margin-bottom: 14px;
  text-transform: uppercase;
}

.skill-pills { display: flex; flex-wrap: wrap; gap: 8px; }

.pill {
  font-family: var(--ff-mono); font-size: 12px;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text); letter-spacing: 0.5px;
  transition: border-color 0.2s, color 0.2s;
  cursor: default;
}
.pill:hover { border-color: var(--red); color: var(--red); }

/* ── PROJECTS ── */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2px;
}

.proj-card {
  position: relative;
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 40px 32px;
  overflow: hidden;
}
.proj-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.proj-card:hover::after { transform: scaleX(1); }

.proj-num {
  font-family: var(--ff-mono); font-size: 11px;
  letter-spacing: 2px; color: var(--muted);
  margin-bottom: 20px;
}

.proj-card h3 {
  font-family: var(--ff-display);
  font-size: 20px; font-weight: 700;
  letter-spacing: -0.5px; margin-bottom: 12px;
}

.proj-card p {
  font-size: 14px; line-height: 1.75;
  color: #64748b; margin-bottom: 24px;
}

.proj-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.proj-tag {
  font-family: var(--ff-mono); font-size: 11px;
  padding: 4px 10px;
  background: var(--tag);
  border: 1px solid var(--border);
  color: var(--muted);
}

/* ── CONTACT ── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}

.contact-info h3 {
  font-family: var(--ff-display);
  font-size: 28px; font-weight: 800;
  margin-bottom: 16px;
}
.contact-info p {
  font-size: 15px; line-height: 1.8;
  color: #64748b; margin-bottom: 32px;
}
.contact-email {
  font-family: var(--ff-mono); font-size: 15px;
  color: var(--sky); text-decoration: none;
}
.contact-email:hover { text-decoration: underline; }

.c-form { display: flex; flex-direction: column; gap: 14px; }

.c-form input,
.c-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--ff-mono); font-size: 13px;
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}
.c-form input::placeholder,
.c-form textarea::placeholder { color: var(--muted); }
.c-form input:focus,
.c-form textarea:focus { border-color: var(--red); }

.c-form button {
  align-self: flex-start;
  background: var(--red);
  color: #fff;
  font-family: var(--ff-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px;
  padding: 14px 32px; border: none;
  cursor: pointer; transition: background 0.2s;
}
.c-form button:hover { background: #c1121f; }

/* ── FOOTER ── */
footer {
  padding: 32px 80px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg);
}
footer p {
  font-family: var(--ff-mono); font-size: 12px;
  color: var(--muted);
}
.foot-links { display: flex; gap: 20px; }
.foot-links a {
  font-family: var(--ff-mono); font-size: 11px;
  letter-spacing: 1px; color: var(--muted);
  text-decoration: none; transition: color 0.2s;
}
.foot-links a:hover { color: var(--text); }

/* ── FADE-UP ── */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  section       { padding: 80px 40px; }
  #home         { padding: 100px 40px 100px; }
  .exp-grid     { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
  footer        { padding: 24px 40px; flex-direction: column; gap: 16px; }
}

@media (max-width: 768px) {
  nav                               { padding: 0 24px; }
  .nav-links, .nav-sep, .nav-social { display: none; }
  .hamburger                        { display: block; }
  section                           { padding: 64px 24px; }
  #home                             { padding: 80px 24px 120px; }
  .hero-stats                       { right: 24px; bottom: 32px; gap: 24px; }
  .scroll-hint                      { display: none; }
  .hero-btns                        { flex-direction: column; }
  .btn-primary, .btn-ghost          { text-align: center; }
}