:root {
  --bg: #f4f1e8;
  --text: #161616;
  --muted: #444;
  --accent: #db3a34;
  --accent-dark: #a6211c;
  --surface: rgba(255, 255, 255, 0.78);
  --border: rgba(0, 0, 0, 0.08);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  --bg-grad-a: #ffd9ba;
  --bg-grad-b: #ffd6d6;
  --bg-grad-base-a: #f4f1e8;
  --bg-grad-base-b: #ece7da;
  --shape-a: #ff7b54;
  --shape-b: #f59e0b;
  --nav-hover-bg: rgba(255, 255, 255, 0.45);
  --lead: #2c2c2c;
  --project-copy: #333;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, var(--bg-grad-a) 0%, transparent 45%),
    radial-gradient(circle at 90% 20%, var(--bg-grad-b) 0%, transparent 42%),
    linear-gradient(150deg, var(--bg-grad-base-a) 0%, var(--bg-grad-base-b) 100%);
  font-family: "Space Grotesk", system-ui, sans-serif;
  line-height: 1.55;
  padding: 1.2rem;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}

.bg-shape-a {
  width: 240px;
  height: 240px;
  background: var(--shape-a);
  top: -40px;
  right: -40px;
}

.bg-shape-b {
  width: 280px;
  height: 280px;
  background: var(--shape-b);
  bottom: -80px;
  left: -60px;
}

.site-header,
main,
.site-footer {
  width: min(980px, 100%);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0.4rem 0 1rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  border: 2px solid var(--text);
  border-radius: 999px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.06em;
}

.hero {
  padding: 3rem 0 2rem;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
}

h1 {
  font-size: clamp(2rem, 7vw, 4.4rem);
  line-height: 0.95;
  margin: 0.35rem 0 1rem;
  max-width: 12ch;
}

.lead {
  margin: 0;
  max-width: 54ch;
  color: var(--lead);
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.section-actions {
  margin-top: 0.85rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.btn {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.72rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-ghost {
  border: 1px solid var(--text);
  color: var(--text);
}

.btn-section {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.35);
  padding: 0.5rem 0.78rem;
  font-size: 0.82rem;
  font-family: "IBM Plex Mono", monospace;
}

.btn-section:hover {
  background: rgba(255, 255, 255, 0.55);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
  padding: 1.2rem;
  margin: 1rem 0;
  scroll-margin-top: 1rem;
}

.card.section-flash {
  animation: sectionFlash 0.95s ease;
}

.card h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.project-list,
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.stack-item {
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 0.9rem;
}

.stack-item h3 {
  margin: 0 0 0.65rem;
}

.chip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip-list li {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  font-size: 0.84rem;
  font-family: "IBM Plex Mono", monospace;
  background: rgba(255, 255, 255, 0.4);
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
  transform: translateY(0);
}

.chip-list li:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 0, 0, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

.now-section {
  border-style: solid;
}

.now-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.now-item {
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 1rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.14));
}

.now-item h3 {
  margin: 0 0 0.45rem;
}

.now-item p {
  margin: 0;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.project-list li {
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 0.9rem;
}

.project-list h3 {
  margin: 0;
}

.project-list p {
  margin: 0.45rem 0 0.8rem;
  color: var(--project-copy);
}

.project-list a,
.contact-list a {
  color: var(--accent-dark);
  font-weight: 700;
}

.contact-list {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.support-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(0.75rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) max(0.75rem, env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
  background: rgba(6, 10, 16, 0.58);
  backdrop-filter: blur(6px);
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s ease, visibility 0.24s ease;
  overflow: auto;
}

.support-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.support-modal-card {
  width: min(560px, 100%);
  max-height: 100%;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.2rem;
  text-align: center;
  overflow: auto;
}

.support-close {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-family: "IBM Plex Mono", monospace;
  cursor: pointer;
}

.support-copy {
  color: var(--muted);
}

.support-qr {
  display: block;
  width: min(320px, 78vw);
  max-width: 100%;
  max-height: 56vh;
  object-fit: contain;
  margin: 0.9rem auto;
  border-radius: 14px;
}

.site-footer {
  padding: 1.4rem 0 1rem;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes sectionFlash {
  0% {
    transform: translateY(0);
    box-shadow: var(--shadow);
    background: var(--surface);
  }
  28% {
    transform: translateY(-4px);
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.2);
    background: rgba(255, 241, 224, 0.96);
  }
  100% {
    transform: translateY(0);
    box-shadow: var(--shadow);
    background: var(--surface);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e141d;
    --text: #f4f7fb;
    --muted: #bcc6d4;
    --accent: #ff7b54;
    --accent-dark: #ff986f;
    --surface: rgba(18, 27, 39, 0.82);
    --border: rgba(230, 239, 255, 0.16);
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
    --bg-grad-a: #1c2a3a;
    --bg-grad-b: #2f1f31;
    --bg-grad-base-a: #0d141f;
    --bg-grad-base-b: #121b27;
    --shape-a: #d85a4a;
    --shape-b: #d68b2a;
    --nav-hover-bg: rgba(148, 163, 184, 0.18);
    --lead: #d6deeb;
    --project-copy: #c9d4e5;
  }

  .btn-primary {
    color: #121212;
  }

  .btn-section {
    background: rgba(14, 22, 32, 0.52);
  }

  .btn-section:hover {
    background: rgba(26, 40, 58, 0.72);
  }

  .chip-list li {
    background: rgba(9, 14, 22, 0.44);
  }

  .chip-list li:hover {
    border-color: rgba(230, 239, 255, 0.28);
    background: rgba(18, 28, 40, 0.8);
  }

  .now-item {
    background:
      linear-gradient(135deg, rgba(23, 34, 50, 0.65), rgba(12, 19, 29, 0.48));
  }

  @keyframes sectionFlash {
    0% {
      transform: translateY(0);
      box-shadow: var(--shadow);
      background: var(--surface);
    }
    28% {
      transform: translateY(-4px);
      box-shadow: 0 24px 50px rgba(0, 0, 0, 0.55);
      background: rgba(27, 39, 56, 0.92);
    }
    100% {
      transform: translateY(0);
      box-shadow: var(--shadow);
      background: var(--surface);
    }
  }
}

@media (max-width: 640px) {
  body {
    padding: 0.9rem;
  }

  h1 {
    max-width: 16ch;
  }

  .hero {
    padding-top: 2.2rem;
  }

  .section-actions {
    gap: 0.45rem;
  }

  .btn-section {
    font-size: 0.78rem;
    padding: 0.45rem 0.66rem;
  }

  .card {
    border-radius: 16px;
    scroll-margin-top: 0.75rem;
  }

  .support-modal-card {
    border-radius: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .chip-list li {
    transition: none;
  }

  .chip-list li:hover {
    transform: none;
  }

  .card.section-flash {
    animation: none;
  }
}