:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-muted: #eef3f8;
  --text: #15253a;
  --muted: #627286;
  --line: #d9e3ee;
  --accent: #1b63f0;
  --accent-strong: #0e4fd1;
  --dark: #102033;
  --shadow: 0 28px 80px rgba(16, 32, 51, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  -webkit-text-size-adjust: 100%;
  background:
    radial-gradient(circle at top left, rgba(27, 99, 240, 0.1), transparent 24%),
    radial-gradient(circle at right top, rgba(16, 32, 51, 0.04), transparent 22%),
    linear-gradient(180deg, #f8fafc 0%, #eef3f8 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1200px, calc(100vw - 32px));
  margin: 20px auto;
  padding: 18px;
  border: 1px solid rgba(217, 227, 238, 0.9);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 18px;
  padding: 10px 10px 18px;
}

.brand {
  text-decoration: none;
  display: grid;
  gap: 6px;
}

.brand-kicker,
.section-kicker,
.label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-kicker,
.section-kicker {
  color: var(--accent);
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover,
.text-link:hover {
  transform: translateY(-1px);
}

.card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.04);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 18px;
  margin-bottom: 18px;
}

.hero-main,
.hero-side {
  display: grid;
  gap: 18px;
}

.hero-main {
  padding: 36px;
  background:
    radial-gradient(circle at top right, rgba(27, 99, 240, 0.08), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
}

.hero h1,
.section h2,
.cta-panel h2 {
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(40px, 6vw, 68px);
  margin-top: 12px;
}

.hero-text,
.section-head p,
.feature-card p,
.project-preview p,
.principle p,
.timeline-item p,
.stack-group h3,
.cta-panel p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-text {
  max-width: 62ch;
  margin-top: 18px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
}

.button-primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 18px 36px rgba(27, 99, 240, 0.2);
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary {
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--text);
}

.button-secondary:hover {
  border-color: #bcccdc;
  background: var(--surface-muted);
}

.hero-points,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-points {
  margin-top: 24px;
}

.hero-points span,
.chip-row span,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface-muted);
  border: 1px solid #dee7f0;
  font-size: 13px;
  font-weight: 600;
  color: #314358;
}

.stat-card,
.profile-card {
  padding: 24px;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.stat-card p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

.profile-card {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 18px;
  align-items: start;
  background: linear-gradient(180deg, #f7f9fc 0%, #edf3fa 100%);
}

.portrait {
  width: 112px;
  border-radius: 20px;
  border: 1px solid #d7e0ea;
}

.compact-list,
.mini-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.compact-list li,
.mini-list li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  line-height: 1.65;
}

.compact-list li::before,
.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.section {
  margin-top: 18px;
}

.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
  padding: 4px 6px;
}

.section h2 {
  font-size: clamp(28px, 4vw, 44px);
  max-width: 14ch;
}

.split-head {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.text-link {
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.principle,
.stack-group {
  padding: 24px;
}

.feature-card h3,
.project-preview h3,
.principle h3,
.timeline-item h3,
.stack-group h3 {
  font-size: 22px;
  letter-spacing: -0.03em;
  margin: 12px 0 10px;
}

.project-preview-grid,
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-preview {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.project-preview-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.project-icon {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 22px 24px;
  align-items: start;
}

.timeline-step {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--dark);
  color: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 16px;
}

.stack-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.stack-group h3 {
  color: var(--text);
  margin: 0 0 14px;
}

.cta-panel {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, #102033, #17304d);
  color: #f2f7fd;
}

.cta-panel p {
  color: #ccd8e6;
  max-width: 70ch;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer {
  margin-top: 18px;
  padding: 16px 8px 8px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .hero,
  .grid-3,
  .project-preview-grid,
  .principles-grid,
  .stack-board {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100%, calc(100vw - 16px));
    margin: 8px auto;
    padding: 12px;
    border-radius: 24px;
  }

  .site-header {
    flex-direction: column;
    padding: 6px 2px 12px;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav a,
  .button {
    width: 100%;
  }

  .hero-main,
  .stat-card,
  .profile-card,
  .feature-card,
  .project-preview,
  .principle,
  .stack-group,
  .timeline-item,
  .cta-panel {
    padding: 18px;
    border-radius: 22px;
  }

  .hero,
  .hero-main,
  .hero-side,
  .section,
  .timeline,
  .project-preview-grid,
  .principles-grid,
  .stack-board {
    gap: 14px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(32px, 10vw, 44px);
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions,
  .cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .profile-card,
  .timeline-item,
  .split-head {
    grid-template-columns: 1fr;
  }

  .project-preview-grid,
  .principles-grid,
  .grid-3,
  .stack-board {
    grid-template-columns: 1fr;
  }

  .section h2 {
    max-width: none;
    font-size: clamp(26px, 8vw, 34px);
  }

  .timeline-step {
    width: 56px;
    height: 56px;
    border-radius: 16px;
  }

  .cta-panel {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100%, calc(100vw - 12px));
    padding: 10px;
    border-radius: 20px;
  }

  .site-nav {
    grid-template-columns: 1fr;
  }

  .site-nav a {
    text-align: center;
  }

  .hero-actions,
  .cta-actions {
    gap: 10px;
  }

  .button {
    min-height: 46px;
    padding: 0 16px;
  }

  .hero-points,
  .chip-row {
    gap: 8px;
  }
}