@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #07111c;
  --bg-strong: #040b14;
  --panel: rgba(11, 21, 35, 0.92);
  --panel-2: rgba(17, 31, 49, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.03);

  --line: rgba(99, 160, 222, 0.18);
  --line-strong: rgba(99, 160, 222, 0.34);

  --text: #edf4fb;
  --text-soft: #bfd0e2;
  --text-faint: #7e95ab;

  --accent: #4da3ff;
  --accent-2: #8dc2ff;
  --accent-3: rgba(77, 163, 255, 0.10);

  --shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  --shadow-hover: 0 24px 60px rgba(0, 0, 0, 0.28);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --max-width: 1200px;
  --header-height: 78px;
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);

  --font-main: 'Inter', system-ui, sans-serif;
  --font-mono: 'Fira Code', monospace;
}

body.theme-light {
  --bg: #edf4fb;
  --bg-strong: #ffffff;
  --panel: rgba(255, 255, 255, 0.95);
  --panel-2: rgba(247, 250, 254, 0.96);
  --panel-soft: rgba(8, 24, 41, 0.03);

  --line: rgba(30, 83, 131, 0.16);
  --line-strong: rgba(30, 83, 131, 0.32);

  --text: #0d1b2a;
  --text-soft: #32475c;
  --text-faint: #62788c;

  --accent: #1f7bc2;
  --accent-2: #0f5f9c;
  --accent-3: rgba(31, 123, 194, 0.10);

  --shadow: 0 16px 34px rgba(11, 27, 42, 0.08);
  --shadow-hover: 0 22px 50px rgba(11, 27, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-main);
  color: var(--text);
  background: radial-gradient(circle at top, rgba(77, 163, 255, 0.08), transparent 42%), linear-gradient(180deg, var(--bg) 0%, var(--bg-strong) 100%);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--accent);
  color: #fff;
}

#network-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.28;
  pointer-events: none;
}

.site-header-wrap {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}

.site-header,
.page-shell,
.site-footer-inner,
.boot-screen {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--text);
  font-family: var(--font-mono);
}

.brand span {
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a,
.theme-toggle,
.nav-toggle {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-soft);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.site-nav a:hover,
.site-nav a.active,
.theme-toggle:hover,
.theme-toggle.active,
.nav-toggle:hover {
  border-color: var(--line-strong);
  background: var(--accent-3);
  color: var(--text);
}

.theme-toggle {
  min-width: 52px;
}

.nav-toggle {
  display: none;
}

.page-shell {
  padding: 30px 0 88px;
}

.hero,
.page-intro {
  max-width: 920px;
}

.hero {
  padding-top: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  max-width: 980px;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

h3 {
  font-size: 1.1rem;
}

p {
  margin: 0;
  color: var(--text-soft);
}

.hero-copy,
.page-intro p,
.card p,
.project-summary,
.meta-value,
.link-value {
  font-size: 1rem;
  line-height: 1.72;
}

.hero-copy {
  max-width: 760px;
  margin-top: 18px;
}

.platform-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: 0.92rem;
}

.hero-actions,
.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text);
  font-weight: 600;
  transition: all var(--transition);
}

.btn:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.section-block {
  margin-top: 28px;
}

.highlights,
.value-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  min-height: 100%;
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card::before,
.project-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 72%);
}

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

.filter-btn {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text-soft);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--line-strong);
  background: var(--accent-3);
  color: var(--text);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.project-card {
  position: relative;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.project-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.project-header {
  display: grid;
  gap: 10px;
}

.project-category {
  display: inline-flex;
  width: fit-content;
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: var(--accent-3);
  color: var(--accent-2);
  font-size: 0.76rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
}

.project-title {
  font-size: 1.34rem;
}

.project-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-meta-item {
  display: grid;
  gap: 6px;
}

.meta-label {
  color: var(--text-faint);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.meta-value {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.55;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--accent-2);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 9, 16, 0.76);
  backdrop-filter: blur(8px);
  z-index: 140;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  width: min(100%, 860px);
  max-height: 88vh;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}

.modal-topbar {
  display: flex;
  justify-content: flex-end;
  padding: 10px;
  border-bottom: 1px solid var(--line);
}

.modal-close {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.modal-scroll {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(88vh - 62px);
}

.modal-section h2,
.modal-section h3 {
  margin-bottom: 6px;
}

.contact-grid .link-card {
  display: grid;
  gap: 6px;
}

.link-label {
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.secure-form {
  display: grid;
  gap: 18px;
}

.input-group {
  display: grid;
  gap: 8px;
}

.input-group label {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}

.input-group input,
.input-group textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  outline: none;
  transition: all var(--transition);
}

.input-group input::placeholder,
.input-group textarea::placeholder {
  color: var(--text-faint);
}

.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px var(--accent-3);
}

.form-submit {
  width: 100%;
}

.case-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
  display: grid;
  gap: 10px;
}

.case-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.case-shot {
  border: 1px dashed var(--line-strong);
  background: var(--panel-soft);
  min-height: 180px;
  display: grid;
  place-items: center;
  color: var(--text-faint);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
}

.site-footer-inner {
  padding: 20px 0;
  text-align: center;
}

.site-footer-inner span {
  color: var(--text-faint);
  font-size: 0.92rem;
}

.boot-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.boot-box {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-hover);
}

.boot-box::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), transparent 85%);
}

.boot-kicker {
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.boot-title {
  max-width: 720px;
}

.boot-copy {
  margin-top: 16px;
  max-width: 720px;
  font-size: 1.02rem;
  line-height: 1.72;
}

.boot-log {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.boot-log div {
  color: var(--text-soft);
  padding-left: 14px;
  position: relative;
}

.boot-log div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--accent);
}

.loader-bar {
  margin-top: 24px;
  width: 100%;
  height: 10px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.loader-bar span {
  display: block;
  width: 35%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  animation: hcLoad 1.8s infinite ease-in-out;
}

@keyframes hcLoad {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-strong);
}

::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

@media (max-width: 1100px) {
  .highlights,
  .value-grid,
  .contact-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-meta-grid,
  .case-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    width: min(92vw, 360px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hover);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .site-header,
  .page-shell,
  .site-footer-inner,
  .boot-screen {
    width: min(100% - 20px, var(--max-width));
  }

  .page-shell {
    padding: 22px 0 70px;
  }

  .card,
  .project-card,
  .boot-box,
  .modal-scroll {
    padding: 20px;
  }

  h1 {
    font-size: clamp(2.1rem, 11vw, 3rem);
  }

  .hero-copy,
  .page-intro p,
  .card p,
  .project-summary,
  .meta-value {
    font-size: 0.96rem;
  }

  .platform-pill,
  .btn,
  .theme-toggle,
  .nav-toggle,
  .filter-btn {
    font-size: 0.92rem;
  }
}