:root {
  --volt: #00FFB3;
  --volt-dim: #00cc8f;
  --plasma: #FF6B35;
  --arc: #4FC3F7;
  --warn: #FFD600;
  --bg-deep: #050A0E;
  --bg-mid: #080F14;
  --bg-panel: #0D1A22;
  --bg-card: #0F2030;
  --grid-line: rgba(0,255,179,0.04);
  --border-glow: rgba(0,255,179,0.15);
  --text-primary: #E8F4F8;
  --text-muted: #5C7A8A;
  --text-dim: #3A5060;
  --mono: 'Share Tech Mono', monospace;
  --display: 'Orbitron', sans-serif;
  --body: 'Rajdhani', sans-serif;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  cursor: crosshair;
}

/* ── SCHEMATIC GRID ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ── SCANLINES ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.025) 2px, rgba(0,0,0,0.025) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ── PROGRESS BAR ── */
#progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--volt), var(--arc));
  z-index: 2000;
  transition: width 0.3s ease;
  pointer-events: none;
}

/* ── NAVBAR ── */
nav {
  position: fixed;
  top: 0; width: 100%;
  z-index: 1000;
  background: rgba(5,10,14,0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glow);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--volt);
  text-decoration: none;
  letter-spacing: 0.1em;
}

.nav-logo sub {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.62rem;
  color: var(--text-muted);
  margin-left: 6px;
  letter-spacing: 0.06em;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  gap: 0.15rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: all 0.2s;
  position: relative;
}

.nav-links a::before {
  content: attr(data-num);
  color: var(--volt);
  margin-right: 4px;
  font-size: 0.58rem;
  opacity: 0.5;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--volt);
  border-color: var(--border-glow);
  background: rgba(0,255,179,0.04);
}

/* ── HAMBURGER ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--volt);
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE MENU DRAWER ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: rgba(5,10,14,0.98);
  border-bottom: 1px solid var(--border-glow);
  z-index: 999;
  backdrop-filter: blur(16px);
  transform: translateY(-8px);
  opacity: 0;
  transition: all 0.25s ease;
  pointer-events: none;
}

.mobile-menu.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0.9rem 2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all 0.2s;
}

.mobile-menu a:hover,
.mobile-menu a.mob-active {
  color: var(--volt);
  border-left-color: var(--volt);
  background: rgba(0,255,179,0.04);
  padding-left: 2.5rem;
}

.mobile-menu a .num {
  color: var(--volt);
  font-size: 0.6rem;
  opacity: 0.6;
  min-width: 20px;
}

/* ── PAGES (no scroll) ── */
#app {
  position: fixed;
  top: 60px; left: 0; right: 0;
  bottom: 0;
  overflow: hidden;
}

.page {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 2;
  -webkit-overflow-scrolling: touch;
}

.page.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* ── Scrollbar style untuk tiap page ── */
.page::-webkit-scrollbar { width: 3px; }
.page::-webkit-scrollbar-track { background: transparent; }
.page::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 2px; }

/* ── PAGE INNER ── */
.page-inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem 2rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* ── PAGE BACKGROUNDS ── */
#page-home { background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0,255,179,0.05) 0%, transparent 70%), radial-gradient(ellipse 40% 40% at 15% 75%, rgba(79,195,247,0.03) 0%, transparent 60%); }
#page-projects { background: radial-gradient(ellipse 70% 50% at 30% 30%, rgba(255,107,53,0.06) 0%, transparent 65%), radial-gradient(ellipse 50% 40% at 80% 70%, rgba(0,255,179,0.02) 0%, transparent 60%); border-top: 1px solid rgba(255,107,53,0.1); }
#page-skills { background: radial-gradient(ellipse 80% 50% at 50% 50%, rgba(79,195,247,0.06) 0%, transparent 70%); border-top: 1px solid rgba(79,195,247,0.1); }
#page-about { background: radial-gradient(ellipse 70% 60% at 20% 30%, rgba(255,214,0,0.04) 0%, transparent 65%), radial-gradient(ellipse 50% 50% at 80% 60%, rgba(0,255,179,0.02) 0%, transparent 60%); border-top: 1px solid rgba(255,214,0,0.08); }
#page-contact { background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(0,255,179,0.07) 0%, transparent 70%); border-top: 1px solid var(--border-glow); }

/* ── SHARED TYPOGRAPHY ── */
.section-tag {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--volt);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  opacity: 0.8;
}
.section-tag::before { content: '// '; opacity: 0.5; }

.section-title {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.section-title .accent { color: var(--volt); }

.section-line {
  width: 50px; height: 1px;
  background: linear-gradient(90deg, var(--volt), transparent);
  margin-bottom: 2rem;
}

/* ─────────────────────────── */
/* HOME PAGE */
/* ─────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--volt);
  letter-spacing: 0.1em;
  padding: 0.3rem 0.7rem;
  border: 1px solid rgba(0,255,179,0.18);
  margin-bottom: 1.2rem;
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--volt);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,255,179,0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(0,255,179,0); }
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--volt);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-label::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--volt);
}

.hero-name {
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
}
.hero-name .line1 { color: var(--text-primary); display: block; }
.hero-name .line2 { color: var(--volt); display: block; }

.hero-title {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--arc);
  letter-spacing: 0.07em;
  margin-bottom: 1.25rem;
  padding: 0.45rem 0.75rem;
  border-left: 2px solid var(--arc);
  background: rgba(79,195,247,0.04);
  display: inline-block;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 2rem;
  font-weight: 300;
}
.hero-desc strong { color: var(--text-primary); font-weight: 500; }

.hero-btns {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-primary {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg-deep);
  background: var(--volt);
  border: none;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  font-weight: 600;
  display: inline-block;
}
.btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,255,179,0.25);
}

.btn-outline {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--volt);
  background: transparent;
  border: 1px solid var(--border-glow);
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-block;
}
.btn-outline:hover {
  border-color: var(--volt);
  background: rgba(0,255,179,0.06);
  transform: translateY(-2px);
}

.btn-nexaiot {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;

  color: #031018;
  background: #00cfff;

  border: none;
  padding: 0.75rem 1.5rem;

  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;

  clip-path: polygon(
    0 0,
    calc(100% - 10px) 0,
    100% 10px,
    100% 100%,
    10px 100%,
    0 calc(100% - 10px)
  );

  font-weight: 600;
  display: inline-block;
}

.btn-nexaiot:hover {
  background: #53d8ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,191,255,0.35);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.stat-item {}
.stat-num {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--volt);
  line-height: 1;
  margin-bottom: 0.2rem;
}
.stat-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Oscilloscope */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scope-frame {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgba(0,255,179,0.2);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  background: #020C10;
  box-shadow: 0 0 40px rgba(0,255,179,0.06), inset 0 0 40px rgba(0,0,0,0.5);
}
.scope-frame::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,255,179,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,179,0.03) 1px, transparent 1px);
  background-size: 38px 38px;
  pointer-events: none;
}

.scope-labels {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 7px 10px;
  z-index: 10;
}
.scope-labels span {
  font-family: var(--mono);
  font-size: 0.56rem;
  color: var(--volt);
  opacity: 0.5;
  letter-spacing: 0.08em;
}

.scope-corner {
  position: absolute;
  width: 10px; height: 10px;
  border-color: var(--volt);
  border-style: solid;
  opacity: 0.35;
}
.scope-corner.tl { top: 0; left: 0; border-width: 1px 0 0 1px; }
.scope-corner.tr { top: 0; right: 0; border-width: 1px 1px 0 0; }
.scope-corner.bl { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.scope-corner.br { bottom: 0; right: 0; border-width: 0 1px 1px 0; }

.scope-canvas { width: 100%; height: 100%; }

.scope-readout {
  position: absolute;
  bottom: 10px; right: 10px;
  font-family: var(--mono);
  font-size: 0.56rem;
  color: var(--volt);
  opacity: 0.6;
  text-align: right;
  line-height: 1.6;
}

/* ─────────────────────────── */
/* PROJECTS PAGE */
/* ─────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,107,53,0.1);
  padding: 1.25rem;
  position: relative;
  transition: all 0.3s;
  overflow: hidden;
  cursor: pointer;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--plasma), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover {
  border-color: rgba(255,107,53,0.3);
  transform: translateY(-3px);
}

.project-card.featured {
  grid-column: span 2;
  border-color: rgba(0,255,179,0.12);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: start;
}
.project-card.featured::before { background: linear-gradient(90deg, var(--volt), transparent); }
.project-card.featured:hover { border-color: rgba(0,255,179,0.35); }
.project-card.featured .project-type { color: var(--volt); }
.project-card.featured .project-type::before { background: var(--volt); }
.project-card.featured .tag { color: var(--volt); border-color: rgba(0,255,179,0.2); background: rgba(0,255,179,0.04); }

.project-badge {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg-deep);
  background: var(--volt);
  padding: 0.18rem 0.45rem;
  margin-bottom: 0.45rem;
  display: inline-block;
}

.project-type {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--plasma);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.project-type::before {
  content: '';
  width: 16px; height: 1px;
  background: var(--plasma);
  opacity: 0.5;
}

.project-title {
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.85rem;
  font-weight: 300;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
}
.tag {
  font-family: var(--mono);
  font-size: 0.56rem;
  color: var(--plasma);
  border: 1px solid rgba(255,107,53,0.2);
  padding: 0.15rem 0.4rem;
  letter-spacing: 0.07em;
  background: rgba(255,107,53,0.04);
}

.project-link {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.07em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.2s;
}
.project-link:hover { color: var(--plasma); }
.project-link::after { content: ' →'; }
.project-card.featured .project-link:hover { color: var(--volt); }

.project-schematic {
  width: 160px;
  background: var(--bg-deep);
  border: 1px solid var(--border-glow);
  padding: 0.75rem;
  height: 100%;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ─────────────────────────── */
/* SKILLS PAGE */
/* ─────────────────────────── */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.skill-col {}

.skill-category {
  background: var(--bg-panel);
  border: 1px solid rgba(79,195,247,0.1);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
  transition: all 0.3s;
}
.skill-category:hover {
  border-color: rgba(79,195,247,0.28);
  background: var(--bg-card);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(79,195,247,0.07);
}
.skill-icon {
  width: 30px; height: 30px;
  border: 1px solid rgba(79,195,247,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  background: rgba(79,195,247,0.04);
  flex-shrink: 0;
}
.skill-cat-name {
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--arc);
  letter-spacing: 0.07em;
}

.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}
.skill-name {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.skill-bar-wrap {
  width: 90px; height: 2px;
  background: rgba(255,255,255,0.05);
  position: relative;
  overflow: hidden;
}
.skill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--arc), var(--volt));
  transform-origin: left;
  animation: barGrow 1.2s ease forwards;
  transform: scaleX(0);
}
@keyframes barGrow { to { transform: scaleX(1); } }

/* Tools */
.tools-section { margin-top: 0; }
.tools-title {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--volt);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  opacity: 0.7;
}
.tools-title::before { content: '// '; opacity: 0.5; }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 0.5rem;
}
.tool-chip {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-dim);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 0.45rem 0.4rem;
  text-align: center;
  letter-spacing: 0.06em;
  transition: all 0.2s;
  background: var(--bg-panel);
}
.tool-chip:hover {
  color: var(--arc);
  border-color: rgba(79,195,247,0.22);
  background: rgba(79,195,247,0.04);
}

/* ─────────────────────────── */
/* ABOUT PAGE */
/* ─────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1rem;
  font-weight: 300;
}
.about-text p strong { color: var(--text-primary); font-weight: 500; }

.about-quote {
  border-left: 2px solid var(--warn);
  padding: 0.65rem 1rem;
  background: rgba(255,214,0,0.03);
  margin: 1.2rem 0;
}
.about-quote p {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--warn);
  margin: 0;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.about-sidebar { display: flex; flex-direction: column; gap: 1.1rem; }

.info-panel {
  background: var(--bg-panel);
  border: 1px solid rgba(255,214,0,0.08);
  padding: 1rem 1.1rem;
}
.info-panel-title {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--warn);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  opacity: 0.65;
}
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.info-row:last-child { border-bottom: none; }
.info-key {
  font-family: var(--mono);
  font-size: 0.64rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.info-val {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.timeline { position: relative; padding-left: 1.1rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--warn), transparent);
  opacity: 0.3;
}
.timeline-item { position: relative; margin-bottom: 1rem; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.1rem; top: 6px;
  width: 5px; height: 5px;
  background: var(--warn);
  border-radius: 50%;
  opacity: 0.55;
}
.timeline-year {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--warn);
  letter-spacing: 0.1em;
  opacity: 0.65;
  margin-bottom: 0.15rem;
}
.timeline-title {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.1rem;
}
.timeline-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 300;
}

/* ─────────────────────────── */
/* CONTACT PAGE */
/* ─────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-intro {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.contact-btns { display: flex; flex-direction: column; gap: 0.65rem; }

.contact-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.1rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  text-decoration: none;
  transition: all 0.25s;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
}
.contact-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,255,179,0.06), transparent);
  transform: translateX(-100%);
  transition: transform 0.3s;
}
.contact-btn:hover::before { transform: translateX(0); }
.contact-btn:hover { border-color: var(--volt); color: var(--text-primary); }

.contact-btn-icon {
  width: 34px; height: 34px;
  background: rgba(0,255,179,0.07);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  color: var(--volt);
  transition: all 0.2s;
}
.contact-btn:hover .contact-btn-icon {
  background: var(--volt);
  color: var(--bg-deep);
}

.contact-btn-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}
.contact-btn-value {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--mono);
}
.contact-btn:hover .contact-btn-value { color: var(--volt); }

.contact-btn-arrow {
  margin-left: auto;
  font-size: 0.9rem;
  opacity: 0.25;
  transition: all 0.2s;
  color: var(--volt);
}
.contact-btn:hover .contact-btn-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 0.85rem; }

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.form-input,
.form-textarea {
  background: var(--bg-panel);
  border: 1px solid rgba(0,255,179,0.08);
  color: var(--text-primary);
  font-family: var(--body);
  font-size: 0.88rem;
  padding: 0.65rem 0.9rem;
  outline: none;
  transition: all 0.2s;
  width: 100%;
}
.form-input:focus,
.form-textarea:focus {
  border-color: rgba(0,255,179,0.3);
  background: rgba(0,255,179,0.02);
  box-shadow: 0 0 0 1px rgba(0,255,179,0.1);
}
.form-textarea { resize: vertical; min-height: 100px; font-family: var(--body); }
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-dim); font-size: 0.82rem; }

#submitBtn {
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 0.7rem;
}

#formMsg {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--volt);
  letter-spacing: 0.1em;
  text-align: center;
  padding: 0.4rem;
  display: none;
}

/* ── FOOTER BAR ── */
#footer-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 30px;
  z-index: 1000;
  background: rgba(5,10,14,0.92);
  border-top: 1px solid rgba(0,255,179,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}
.footer-sig {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--volt);
  opacity: 0.45;
  letter-spacing: 0.06em;
}


/* ─────────────────────────── */
/* RESPONSIVE — TABLET */
/* ─────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .project-card.featured { grid-column: span 3; grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card.featured .project-schematic { display: none; }
  .skills-layout { grid-template-columns: 1fr; }
}

/* ─────────────────────────── */
/* RESPONSIVE — MOBILE */
/* ─────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 1.2rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .page-inner { padding: 1.5rem 1.2rem 1.5rem; justify-content: flex-start; }

  .section-title { font-size: 1.7rem; }
  .hero-name { font-size: 2.5rem; }
  .hero-stats { gap: 1.2rem; }
  .stat-num { font-size: 1.3rem; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }

  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; justify-content: center; }

  #footer-bar { padding: 0 1rem; }
}

@media (max-width: 480px) {
  .contact-grid { gap: 1.5rem; }
  .about-grid { gap: 1.5rem; }
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
}