/* ===== Design Tokens ===== */
:root {
  --bg: #f3f4f6;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --text: #1f2937;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --terminal-bg: #1a1f2e;
  --terminal-border: #2d3348;
  --folder: #60a5fa;
  --file-green: #34d399;
  --file-yellow: #fbbf24;
  --file-purple: #a78bfa;
  --file-red: #f87171;
  --file-cyan: #22d3ee;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-purple: #8b5cf6;
  --accent-red: #ef4444;
  --accent-cyan: #0891b2;
  --hero-bg: #0f172a;
  --font-en: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-kr: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-en);
  background: var(--bg); color: var(--text);
  line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
html[lang="kr"] body { font-family: var(--font-kr); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,23,42,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08); transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.2); }
.nav-inner {
  max-width: 1060px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; height: 56px; gap: 8px;
}
.nav-logo {
  font-weight: 800; font-size: 18px; color: #fff; margin-right: auto;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo .logo-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-blue); display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: #fff;
}
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a {
  padding: 6px 12px; font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.7);
  border-radius: 6px; transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,0.08); }
.lang-toggle {
  display: flex; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px; padding: 2px; margin-left: 8px;
}
.lang-toggle button {
  border: none; background: transparent; padding: 3px 10px; font-size: 11px; font-weight: 700;
  border-radius: 14px; cursor: pointer; transition: all var(--transition);
  color: rgba(255,255,255,0.5); font-family: inherit;
}
.lang-toggle button.active { background: var(--accent-blue); color: #fff; }
.btn-resume {
  display: inline-flex; align-items: center; gap: 5px; padding: 6px 14px;
  background: rgba(255,255,255,0.1); color: #fff; font-size: 12px; font-weight: 600;
  border-radius: 6px; border: 1px solid rgba(255,255,255,0.15); cursor: pointer;
  margin-left: 4px; font-family: inherit; position: relative; transition: background var(--transition);
}
.btn-resume:hover { background: rgba(255,255,255,0.15); }
.btn-resume svg { width: 13px; height: 13px; }
.resume-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  min-width: 220px; opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: all var(--transition); z-index: 100;
}
.resume-dropdown.show { opacity: 1; visibility: visible; transform: translateY(0); }
.resume-dropdown a {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  font-size: 13px; font-weight: 500; color: var(--text); transition: background var(--transition);
}
.resume-dropdown a:hover { background: var(--bg); }
.resume-dropdown a + a { border-top: 1px solid var(--border); }
.resume-dropdown .dl-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; flex-shrink: 0;
}
.nav-hamburger { display: none; border: none; background: transparent; cursor: pointer; padding: 6px; color: #fff; }
.nav-hamburger svg { width: 22px; height: 22px; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--hero-bg); color: #fff;
  padding: 100px 24px 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 70% 20%, rgba(59,130,246,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 30% 80%, rgba(139,92,246,0.08) 0%, transparent 70%);
}
.hero-inner { position: relative; z-index: 1; max-width: 1060px; margin: 0 auto; width: 100%; }
.hero-greeting { font-size: 16px; color: #60a5fa; font-weight: 600; margin-bottom: 8px; }
.hero h1 { font-size: 48px; font-weight: 800; line-height: 1.15; margin-bottom: 16px; letter-spacing: -1.5px; }
.hero h1 .name-accent { color: #60a5fa; }
.hero .tagline { font-size: 18px; color: rgba(255,255,255,0.7); margin-bottom: 24px; line-height: 1.6; max-width: 600px; }
.hero-capabilities { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.capability-pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 20px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.8);
}
.capability-pill .cap-icon { font-size: 16px; }
.hero-stats { display: flex; gap: 32px; margin-bottom: 36px; flex-wrap: wrap; }
.hero-stat .num { font-size: 32px; font-weight: 800; color: #fff; letter-spacing: -1px; }
.hero-stat .lbl { font-size: 12px; color: rgba(255,255,255,0.5); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: var(--accent-blue); color: #fff; font-size: 14px; font-weight: 600;
  border-radius: 8px; border: none; cursor: pointer; transition: all var(--transition); font-family: inherit;
}
.btn-primary:hover { background: #1e40af; transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: transparent; color: rgba(255,255,255,0.8); font-size: 14px; font-weight: 600;
  border-radius: 8px; border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer; transition: all var(--transition); font-family: inherit;
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.3); }

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; color: var(--accent-blue);
  letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 12px;
}
.section-title { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
.section-desc { font-size: 15px; color: var(--text-muted); max-width: 560px; line-height: 1.7; }
.section-header.center .section-desc { margin: 0 auto; }

/* ===== Project Card ===== */
.projects-stack { display: flex; flex-direction: column; gap: 40px; }
.project-card {
  background: var(--card-bg); border: 2px dashed var(--border);
  border-radius: 16px; padding: 36px 40px;
}
.card-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0;
}
.card-title-row { flex: 1; display: flex; justify-content: space-between; align-items: flex-start; }
.card-title {
  font-family: var(--font-mono); font-size: 20px; font-weight: 600; color: var(--text);
}
.card-badges { display: flex; gap: 8px; align-items: center; flex-shrink: 0; flex-wrap: wrap; }
.badge {
  padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.badge-blue { background: var(--accent-blue); color: white; }
.badge-green { background: var(--accent-green); color: white; }
.badge-purple { background: var(--accent-purple); color: white; }
.badge-cyan { background: var(--accent-cyan); color: white; }
.badge-amber { background: var(--accent-orange); color: white; }
.badge-outline { border: 1.5px solid var(--border); color: var(--text-muted); background: transparent; }
.badge-lang { display: flex; align-items: center; gap: 5px; border: 1.5px solid var(--border); color: var(--text-muted); background: transparent; }
.badge-lang .dot { width: 8px; height: 8px; border-radius: 50%; }
.card-desc { font-size: 15px; color: var(--text-muted); line-height: 1.6; margin-bottom: 28px; max-width: 720px; }

/* Card Body: Terminal + Features */
.card-body { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 24px; }

/* Terminal */
.terminal {
  background: var(--terminal-bg); border-radius: 12px; overflow: hidden;
  border: 1px solid var(--terminal-border);
}
.terminal-bar {
  display: flex; gap: 6px; padding: 12px 16px;
  background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--terminal-border);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.r { background: #f87171; }
.terminal-dot.y { background: #fbbf24; }
.terminal-dot.g { background: #34d399; }
.terminal-body {
  padding: 16px 20px; font-family: var(--font-mono);
  font-size: 12px; line-height: 1.8; color: #cbd5e1;
}
.terminal-body .folder { color: var(--folder); font-weight: 600; }
.terminal-body .file-g { color: var(--file-green); font-weight: 600; }
.terminal-body .file-y { color: var(--file-yellow); font-weight: 600; }
.terminal-body .file-p { color: var(--file-purple); font-weight: 600; }
.terminal-body .file-r { color: var(--file-red); font-weight: 600; }
.terminal-body .file-c { color: var(--file-cyan); font-weight: 600; }
.terminal-body .dim { color: #475569; font-style: italic; }

/* Features */
.features-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 14px;
}
.feature-card {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border-radius: 10px;
  border: 1px solid var(--border); margin-bottom: 8px;
  transition: all 0.2s; background: white;
}
.feature-card:hover { border-color: #c7d2fe; box-shadow: 0 2px 12px rgba(99,102,241,0.06); }
.feature-icon {
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
}
.feature-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.feature-sub { font-size: 11px; color: var(--text-dim); line-height: 1.4; }

/* Tags */
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-family: var(--font-mono); font-size: 11px; padding: 5px 12px; border-radius: 8px;
  border: 1.5px solid var(--border); color: var(--text-muted); background: transparent;
}

/* ===== PSR Section ===== */
.psr-section { margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--border); }
.psr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.psr-card {
  border-radius: 12px; padding: 20px; border: 1px solid var(--border); border-top: 4px solid transparent;
}
.psr-card.problem { border-top-color: var(--accent-red); background: #fef2f2; }
.psr-card.strategy { border-top-color: var(--accent-orange); background: #fffbeb; }
.psr-card.result { border-top-color: var(--accent-green); background: #ecfdf5; }
.psr-label { font-size: 11px; font-weight: 800; letter-spacing: 2px; margin-bottom: 12px; }
.psr-card.problem .psr-label { color: var(--accent-red); }
.psr-card.strategy .psr-label { color: var(--accent-orange); }
.psr-card.result .psr-label { color: var(--accent-green); }
.psr-item {
  font-size: 12px; color: var(--text-muted); line-height: 1.6;
  padding: 5px 0 5px 12px; border-left: 2px solid; margin-bottom: 5px;
}
.psr-card.problem .psr-item { border-left-color: #fecaca; }
.psr-card.strategy .psr-item { border-left-color: #fde68a; }
.psr-card.result .psr-item { border-left-color: #a7f3d0; }

/* Screenshot Gallery */
.screenshot-gallery {
  margin-top: 16px; background: white; border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
}
.screenshot-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.screenshot-label::before { content: ''; width: 20px; height: 2px; background: var(--accent-blue); }
.screenshot-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px;
}
.screenshot-item {
  border-radius: 8px; overflow: hidden; border: 1px solid var(--border);
  transition: all var(--transition); cursor: pointer; position: relative;
}
.screenshot-item:hover { border-color: var(--accent-blue); box-shadow: 0 4px 12px rgba(59,130,246,0.1); transform: translateY(-2px); }
.screenshot-item img { width: 100%; display: block; }
.screenshot-caption {
  padding: 8px 12px; font-size: 11px; font-weight: 600; color: var(--text-muted);
  background: var(--bg); border-top: 1px solid var(--border);
}

/* Screenshot Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.85);
  display: none; align-items: center; justify-content: center; cursor: zoom-out;
  backdrop-filter: blur(8px);
}
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }

/* Archived badge */
.badge-archived { background: #94a3b8; color: white; text-decoration: line-through; }

/* Architecture SVG */
.arch-section {
  margin-top: 16px; background: white; border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
}
.arch-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.arch-label::before { content: ''; width: 20px; height: 2px; background: var(--accent-blue); }
.arch-section svg { width: 100%; height: auto; }

/* KPI Bars */
.kpi-section {
  margin-top: 16px; background: white; border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
}
.kpi-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 16px; }
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.bar-label { width: 100px; font-size: 12px; color: var(--text-muted); text-align: right; font-weight: 500; }
.bar-track { flex: 1; height: 22px; background: #f1f5f9; border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; }
.bar-value { width: 55px; font-size: 13px; font-weight: 700; font-family: var(--font-mono); }

/* Revenue Highlight */
.revenue-highlight {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px;
}
.revenue-card {
  background: white; border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; text-align: center; position: relative; overflow: hidden;
}
.revenue-card .top-bar { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.revenue-label { font-size: 11px; color: var(--text-dim); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.revenue-value { font-size: 28px; font-weight: 800; margin-bottom: 4px; }
.revenue-sub { font-size: 11px; color: var(--text-dim); }

/* ===== Career Timeline ===== */
.timeline { position: relative; max-width: 780px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 20px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, var(--accent-blue) 0%, var(--border) 100%);
}
.timeline-item { position: relative; padding-left: 56px; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: 13px; top: 4px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--card-bg); border: 3px solid var(--border); z-index: 1;
}
.timeline-item.current .timeline-dot {
  border-color: var(--accent-blue); background: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.15);
}
.timeline-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px 24px; transition: box-shadow var(--transition);
}
.timeline-item.current .timeline-card { border-color: var(--accent-blue); }
.timeline-card:hover { box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.timeline-period { font-size: 11px; font-weight: 700; color: var(--text-dim); margin-bottom: 4px; letter-spacing: 0.5px; }
.timeline-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.timeline-company { font-size: 13px; color: var(--accent-blue); font-weight: 600; }
.timeline-location { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; }
.timeline-highlights { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.timeline-tag {
  padding: 2px 8px; font-size: 10px; font-weight: 600; border-radius: 4px;
  background: var(--bg); color: var(--text-muted); border: 1px solid var(--border);
}
.timeline-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.education-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px 24px; max-width: 780px; margin: 32px auto 0;
  display: flex; align-items: center; gap: 16px;
}
.edu-icon {
  width: 40px; height: 40px; border-radius: 10px; background: #eff6ff; color: var(--accent-blue);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.education-card h4 { font-size: 14px; font-weight: 700; }
.education-card p { font-size: 13px; color: var(--text-muted); }

/* ===== Skills ===== */
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.skills-section h3 { font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.skill-bar { margin-bottom: 16px; }
.skill-bar-header { display: flex; justify-content: space-between; margin-bottom: 4px; }
.skill-bar-header .name { font-size: 13px; font-weight: 600; }
.skill-bar-header .pct { font-size: 12px; font-weight: 700; color: var(--accent-blue); }
.skill-bar-track { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; border: 1px solid var(--border); }
.skill-bar-fill {
  height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-blue), #60a5fa);
  width: 0; transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.badge-wall { display: flex; flex-wrap: wrap; gap: 6px; }
.badge-wall img { height: 28px; border-radius: 4px; transition: transform var(--transition); }
.badge-wall img:hover { transform: scale(1.08); }

/* ===== Impact ===== */
.impact-section { background: var(--hero-bg); color: #fff; padding: 64px 0; }
.impact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.impact-card { text-align: center; padding: 24px 16px; }
.impact-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin: 0 auto 12px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
}
.impact-num { font-size: 36px; font-weight: 800; margin-bottom: 4px; letter-spacing: -1px; }
.impact-label { font-size: 12px; color: rgba(255,255,255,0.5); font-weight: 500; }

/* ===== Contact & Footer ===== */
.contact { background: var(--card-bg); border-top: 1px solid var(--border); padding: 64px 0; }
.contact-inner { max-width: 600px; margin: 0 auto; text-align: center; }
.contact-links { display: flex; justify-content: center; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.contact-card {
  display: flex; align-items: center; gap: 10px; padding: 14px 20px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  font-size: 14px; font-weight: 600; transition: all var(--transition);
}
.contact-card:hover { border-color: var(--accent-blue); box-shadow: 0 1px 3px rgba(0,0,0,0.06); transform: translateY(-2px); }
.contact-card svg { width: 18px; height: 18px; color: var(--accent-blue); }
.footer { text-align: center; padding: 20px; font-size: 12px; color: var(--text-dim); border-top: 1px solid var(--border); }

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .card-body { grid-template-columns: 1fr; }
  .psr-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 36px; }
  .revenue-highlight { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; position: absolute; top: 56px; left: 0; right: 0;
    background: rgba(15,23,42,0.98); border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-direction: column; padding: 12px;
  }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: block; }
  .lang-toggle { margin-left: 0; }
  .hero { min-height: auto; padding: 88px 24px 56px; }
  .hero h1 { font-size: 30px; }
  .hero-stat .num { font-size: 26px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .project-card { padding: 24px 20px; }
  .card-title-row { flex-direction: column; gap: 10px; }
  .timeline::before { left: 14px; }
  .timeline-item { padding-left: 44px; }
  .timeline-dot { left: 7px; }
  .education-card { flex-direction: column; text-align: center; }
  .bar-label { width: 70px; font-size: 11px; }
  .revenue-highlight { grid-template-columns: 1fr; }
  .revenue-value { font-size: 22px; }
}
@media (max-width: 480px) {
  .impact-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .impact-num { font-size: 28px; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .hero-cta { flex-direction: column; }
  .hero-cta a { width: 100%; justify-content: center; }
  .contact-links { flex-direction: column; align-items: center; }
  .card-title { font-size: 16px; }
}
@media print {
  .nav, .impact-section { display: none; }
  .hero { min-height: auto; padding: 40px 24px; }
  .section { padding: 32px 0; }
  .reveal { opacity: 1; transform: none; }
}

/* ===== Metric Row ===== */
.metric-row{display:flex;gap:24px;margin-top:20px;padding-top:20px;border-top:1px solid var(--border);flex-wrap:wrap}
.metric-item{text-align:center;flex:1;min-width:80px}
.metric-val{display:block;font-size:24px;font-weight:800;color:var(--text);font-family:var(--font-mono);letter-spacing:-0.5px}
.metric-label{font-size:11px;color:var(--text-dim);font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
@media(max-width:480px){.metric-row{gap:16px}.metric-val{font-size:20px}}

/* ===== Screenshots Showcase ===== */
.screenshots-showcase{padding:32px 0;margin-bottom:32px}
.screenshots-showcase .screenshots-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.screenshots-showcase .screenshot-item{position:relative;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,0.08);transition:transform 0.3s,box-shadow 0.3s}
.screenshots-showcase .screenshot-item:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.3)}
.screenshots-showcase .screenshot-item img{width:100%;height:auto;display:block}
.screenshots-showcase .screenshot-label{position:absolute;bottom:0;left:0;right:0;padding:8px 12px;background:linear-gradient(transparent,rgba(0,0,0,0.8));color:white;font-size:12px;font-weight:600;display:block;text-transform:none;letter-spacing:normal;margin-bottom:0}
.screenshots-showcase .screenshot-label::before{display:none}
@media(max-width:768px){.screenshots-showcase .screenshots-grid{grid-template-columns:1fr}}

/* ===== Pipeline Diagrams ===== */
.pipeline-section{padding:24px 0 32px}
.pipeline-heading{font-size:16px;font-weight:700;color:var(--text);margin-bottom:20px;letter-spacing:-0.3px}
.pipeline-row{margin-bottom:16px;padding:16px 20px;background:var(--bg);border:1px solid var(--border);border-radius:10px}
.pipeline-label{display:block;font-size:11px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;margin-bottom:10px}
.pipeline-nodes{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.pnode{padding:6px 12px;border-radius:6px;font-size:12px;font-weight:600;color:white}
.pnode-arrow{color:var(--text-dim);font-size:14px;margin:0 2px}
.pn-blue{background:#1d4ed8}.pn-teal{background:#0d9488}.pn-purple{background:#7c3aed}
.pn-green{background:#059669}.pn-amber{background:#b45309}.pn-red{background:#dc2626}
@media(max-width:768px){.pnode{padding:4px 8px;font-size:11px}}

/* ===== Scroll Progress Bar ===== */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,#3b82f6,#8b5cf6,#06b6d4);
  z-index:9999;transition:width 0.1s linear;
}

/* ===== Pipeline Node Transitions ===== */
.pnode{transition:transform 0.2s ease,box-shadow 0.2s ease;cursor:default}

/* ===== Screenshot Tilt ===== */
.screenshot-item{transition:transform 0.4s ease,box-shadow 0.3s ease}

/* ===== Hero Tagline Cursor ===== */
.tagline .i18n{display:inline;padding-right:2px}

/* ===== Capability Pills Float ===== */
@keyframes floatPill{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-4px)}
}
.capability-pill{animation:floatPill 3s ease-in-out infinite;animation-delay:calc(var(--i,0) * 0.4s)}
.hero-capabilities .capability-pill:nth-child(1){--i:0}
.hero-capabilities .capability-pill:nth-child(2){--i:1}
.hero-capabilities .capability-pill:nth-child(3){--i:2}
.hero-capabilities .capability-pill:nth-child(4){--i:3}

/* ===== Card Hover Lift ===== */
.project-card{transition:transform 0.3s ease,box-shadow 0.3s ease}
.project-card:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,0.2)}