:root {
  --bg: rgba(6, 6, 13, 0.7);
  --surface: rgba(14, 14, 26, 0.6);
  --surface2: rgba(22, 22, 48, 0.65);
  --border: rgba(34, 34, 68, 0.6);
  --text: #c8c8e0;
  --text2: #7c7ca0;
  --acc: #7c5cfc;
  --acc2: #b4a4ff;
  --grn: #00e676;
  --org: #ff9100;
  --red: #ff5252;
  --cya: #00e5ff;
  --glow: 0 0 30px rgba(124, 92, 252, 0.25);
}

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

html {
  scroll-behavior: smooth;
  background: #06060d;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: transparent;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

/* Mountain background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #06060d url("mountain.png") center / cover no-repeat;
  opacity: 1;
  z-index: -2;
  pointer-events: none;
}

/* Dark overlay on top of mountain */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 6, 13, 0.75);
  z-index: -1;
  pointer-events: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 6, 13, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--acc), var(--cya));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-logo:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--acc2);
  text-decoration: none;
}

/* Hero */
.hero {
  text-align: center;
  padding: 120px 20px 60px;
  position: relative;
}

.hero-logo {
  width: 96px;
  height: 96px;
  margin: 0 auto 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  line-height: 1;
  border-radius: 24px;
  background: linear-gradient(
    135deg,
    rgba(124, 92, 252, 0.22),
    rgba(0, 229, 255, 0.16)
  );
  border: 1px solid rgba(124, 92, 252, 0.35);
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(var(--glow));
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, #b4a4ff, #7c5cfc, #00e5ff);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 4s ease infinite;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

@keyframes gradShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero .sub {
  font-size: 1.1rem;
  color: var(--text2);
  max-width: 600px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

.badges {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--text2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot.p {
  background: var(--acc);
  box-shadow: 0 0 8px var(--acc);
}

.dot.c {
  background: var(--cya);
  box-shadow: 0 0 8px var(--cya);
}

/* Hero buttons */
.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--acc), #5a3fd4);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 92, 252, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 35px rgba(124, 92, 252, 0.6);
  text-decoration: none;
}

.btn-outline {
  border: 2px solid var(--acc);
  color: var(--acc2);
}

.btn-outline:hover {
  background: rgba(124, 92, 252, 0.1);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Sections */
section {
  margin: 60px 0;
}

.sh {
  text-align: center;
  margin-bottom: 36px;
}

.sh h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: #e8e8ff;
  display: inline-block;
  position: relative;
}

.sh h2::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--acc);
  border-radius: 2px;
}

.sh p {
  color: var(--text2);
  font-size: 0.9rem;
  margin-top: 8px;
}

h3 {
  font-size: 1.15rem;
  color: #d8d8f0;
  margin: 24px 0 12px;
}

/* Build section */
.build-list {
  list-style: none;
  max-width: 700px;
  margin: 0 auto;
  color: var(--text2);
  font-size: 0.95rem;
}

.build-list li {
  position: relative;
  padding-left: 24px;
  margin: 10px 0;
}

.build-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--acc2);
}

.build-note {
  color: var(--text2);
  font-size: 0.9rem;
  margin-top: 12px;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--acc), var(--cya));
  transform: scaleX(0);
  transition: transform 0.3s;
}

.step-card:hover::before {
  transform: scaleX(1);
}

.step-card:hover {
  border-color: var(--acc);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), var(--glow);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--acc), var(--acc2));
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 14px;
  box-shadow: 0 4px 15px rgba(124, 92, 252, 0.4);
}

.step-card h4 {
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: #d8d8f0;
}

.step-card p {
  font-size: 0.8rem;
  color: var(--text2);
}

/* Architecture */
.arch-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.arch-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 28px;
  text-align: center;
  min-width: 280px;
  max-width: min(700px, 100%);
  transition: all 0.3s;
  position: relative;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.arch-box:hover {
  border-color: var(--acc);
  box-shadow: var(--glow);
  transform: translateY(-2px);
}

.arch-box .arch-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--acc2);
  font-weight: 700;
  margin-bottom: 6px;
}

.arch-box .arch-title {
  font-size: 1rem;
  font-weight: 700;
  color: #e8e8ff;
  margin-bottom: 4px;
}

.arch-box .arch-sub {
  font-size: 0.78rem;
  color: var(--text2);
}

.arch-box .arch-row {
  margin-top: 12px;
}

.arch-arrow {
  font-size: 1.5rem;
  color: var(--acc);
  padding: 4px 0;
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

.arch-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.arch-box-sm {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 20px;
  text-align: center;
  transition: all 0.2s;
}

.arch-box-sm:hover {
  border-color: var(--acc);
  box-shadow: var(--glow);
}

.arch-box-sm .arch-sm-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: #d8d8f0;
}

.arch-box-sm .arch-sm-sub {
  font-size: 0.72rem;
  color: var(--text2);
}

/* Protocol table */
.twrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th,
td {
  padding: 12px 16px;
  text-align: left;
}

th {
  background: var(--surface2);
  font-weight: 700;
  color: #d8d8f0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

tr:hover td {
  background: var(--surface2);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 0.73rem;
  font-weight: 600;
}

.tbg {
  background: rgba(0, 230, 118, 0.12);
  color: var(--grn);
}

.thg {
  background: rgba(124, 92, 252, 0.12);
  color: var(--acc2);
}

.tmo {
  background: rgba(255, 145, 0, 0.12);
  color: var(--org);
}

.tfs {
  background: rgba(0, 229, 255, 0.12);
  color: var(--cya);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.fi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all 0.2s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fi:hover {
  border-color: var(--acc);
  box-shadow: var(--glow);
}

.fi .ic {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.fi span {
  font-size: 0.88rem;
  line-height: 1.5;
  display: block;
}

/* Platforms */
.p-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.p-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 18px;
  text-align: center;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.p-card:hover {
  border-color: var(--acc);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), var(--glow);
}

.p-ic {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.p-nm {
  font-weight: 700;
  color: #d8d8f0;
  margin-bottom: 4px;
  font-size: 1rem;
}

.p-ui {
  font-size: 0.78rem;
  color: var(--text2);
}

/* Download / Source links */
.link-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.link-card:hover {
  border-color: var(--acc);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), var(--glow);
  text-decoration: none;
}

.link-card .lc-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.link-card .lc-info {
  flex: 1;
}

.link-card .lc-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: #e8e8ff;
}

.link-card .lc-desc {
  font-size: 0.83rem;
  color: var(--text2);
  margin-top: 4px;
}

.link-card .lc-arrow {
  color: var(--acc);
  font-size: 1.4rem;
  transition: transform 0.2s;
}

.link-card:hover .lc-arrow {
  transform: translateX(4px);
}

/* Contribute */
.contribute-card {
  background: linear-gradient(
    135deg,
    rgba(124, 92, 252, 0.15),
    rgba(0, 229, 255, 0.08)
  );
  border: 1px solid var(--acc);
  border-radius: 14px;
  padding: 32px;
  text-align: center;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contribute-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), var(--glow);
  transform: translateY(-2px);
}

.contribute-card h3 {
  color: #e8e8ff;
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.contribute-card p {
  color: var(--text2);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.contribute-card .hero-btns {
  margin-top: 0;
}

/* Contributors */
.contributors-head {
  margin-top: 64px;
}

.contrib-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.contrib-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 22px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
  min-width: 220px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contrib-card:hover {
  border-color: var(--acc);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), var(--glow);
  text-decoration: none;
}

.contrib-av {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--border);
  transition: border-color 0.3s;
}

.contrib-card:hover .contrib-av {
  border-color: var(--acc);
}

.contrib-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.contrib-info .contrib-nm {
  font-weight: 700;
  color: #d8d8f0;
  font-size: 0.98rem;
  line-height: 1.2;
}

.contrib-info .contrib-cm {
  font-size: 0.78rem;
  color: var(--acc2);
  font-weight: 600;
  line-height: 1.2;
}

/* Credits */
.credits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 12px;
}

.credit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.credit-card:hover {
  border-color: var(--acc);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), var(--glow);
}

.credit-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.credit-card h4 a {
  color: var(--acc2);
  text-decoration: none;
}

.credit-card h4 a:hover {
  text-decoration: underline;
}

.credit-card .cby {
  font-size: 0.76rem;
  color: var(--acc2);
  margin-bottom: 8px;
  font-weight: 600;
}

.credit-card p {
  font-size: 0.83rem;
  color: var(--text2);
  line-height: 1.5;
}

/* Code */
pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  overflow-x: auto;
  margin: 12px 0;
  font-size: 0.8rem;
}

code {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", Consolas, monospace;
  font-size: 0.8rem;
  color: #d9e2ff;
}

/* CTA */
.cta {
  text-align: center;
  margin: 40px 0;
}

/* Footer */
footer {
  margin-top: 80px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text2);
  font-size: 0.83rem;
}

footer p {
  margin: 6px 0;
}

footer .heart {
  color: var(--red);
  animation: pulse 1.5s ease infinite;
  display: inline-block;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
}

/* Links */
a {
  color: var(--acc2);
  text-decoration: none;
}

a:hover {
  color: #ccc0ff;
  text-decoration: underline;
}

/* Mobile */
@media (max-width: 640px) {
  .hero {
    padding: 100px 16px 40px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

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

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

  .link-cards {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 0.78rem;
  }

  .arch-row {
    flex-direction: column;
    align-items: center;
  }

  .contrib-card {
    width: 100%;
    min-width: 0;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}