:root {
  --bg: #050505;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --bg-strong: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.95);
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-faint: rgba(255, 255, 255, 0.5);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent-rgb: 191, 203, 255;
  --accent: rgb(var(--accent-rgb));
  --success: #30d158;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 900px 600px at 20% -10%, rgba(var(--accent-rgb), 0.14), transparent 60%),
    radial-gradient(ellipse 800px 700px at 100% 20%, rgba(var(--accent-rgb), 0.08), transparent 55%),
    radial-gradient(ellipse 1000px 800px at 50% 100%, rgba(var(--accent-rgb), 0.06), transparent 60%);
  pointer-events: none;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(5, 5, 5, 0.6);
  border-bottom: 1px solid var(--border);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px 2px rgba(var(--accent-rgb), 0.6);
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--text-faint);
}

.nav-links a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

.nav-links a:hover {
  color: var(--text);
}

/* ---------- Hero ---------- */
.hero {
  padding: 160px 0 110px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px 1px rgba(48, 209, 88, 0.55);
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 650;
  background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.75) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 820px;
  margin: 0 auto;
}

.hero p {
  margin: 26px auto 0;
  max-width: 560px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-muted);
  font-weight: 400;
}

.hero-meta {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-meta div {
  text-align: left;
}

.hero-meta .num {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.hero-meta .label {
  font-size: 12.5px;
  color: var(--text-faint);
  margin-top: 2px;
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ---------- Section heading ---------- */
.section-head {
  padding: 40px 0 44px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 38px);
  letter-spacing: -0.02em;
  font-weight: 650;
}

.section-head p {
  color: var(--text-faint);
  font-size: 14.5px;
  max-width: 340px;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  padding-bottom: 140px;
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 32px;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--bg-strong), var(--bg-soft) 60%);
  padding: 36px 36px 32px;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.55s ease, box-shadow 0.55s ease;
  transition-delay: 0s;
  will-change: transform;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0;
  background: radial-gradient(500px circle at var(--mx, 50%) var(--my, 0%),
      rgba(var(--accent-rgb), 0.16), transparent 60%);
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(var(--accent-rgb), 0.08);
}

.card:hover::before {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-strong);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.card-tag {
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.card h3 {
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}

.card .domain {
  font-size: 13px;
  color: rgba(var(--accent-rgb), 0.85);
  font-weight: 500;
  margin-bottom: 16px;
  display: inline-block;
}

.card p.desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 92%;
  margin-bottom: 26px;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.card-features {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.card-features span {
  font-size: 12.5px;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-features svg {
  width: 13px;
  height: 13px;
  stroke: var(--success);
  flex-shrink: 0;
}

.card-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 550;
  color: var(--text);
  white-space: nowrap;
}

.card-cta svg {
  width: 15px;
  height: 15px;
  stroke: var(--text);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover .card-cta svg {
  transform: translate(3px, -3px);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 44px 0 60px;
}

.footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer p {
  font-size: 13px;
  color: var(--text-faint);
}

.footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text);
}

/* ---------- Accessibility helpers ---------- */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 200;
  background: var(--text);
  color: #050505;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.25s ease;
}

.skip-link:focus {
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    transition: opacity 0.01ms !important;
    transform: none !important;
  }
  .card,
  .card-cta svg,
  .modal-overlay,
  .modal {
    transition: none !important;
  }
}

/* ---------- Card as button reset ---------- */
.card {
  font: inherit;
  text-align: left;
  cursor: pointer;
  width: 100%;
}

/* ---------- Project modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(3, 3, 4, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-overlay.open {
  opacity: 1;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 860px;
  max-height: min(880px, 92vh);
  background: #0a0a0b;
  border: 1px solid var(--border-strong);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 60px 120px -30px rgba(0, 0, 0, 0.7);
  transform: translateY(24px) scale(0.98);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(5, 5, 5, 0.55);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: rotate(90deg);
}

.modal-close svg {
  width: 18px;
  height: 18px;
  stroke: var(--text);
}

.modal-scroll {
  overflow-y: auto;
  max-height: min(880px, 92vh);
}

/* Hero mockup */
.modal-hero {
  --hero-rgb: 191, 203, 255;
  position: relative;
  height: 300px;
  background: linear-gradient(165deg, rgba(var(--hero-rgb), 0.22), rgba(5, 5, 5, 0.9) 70%), #0a0a0b;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.hero-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.35);
}

.hero-chrome .traffic {
  display: flex;
  gap: 6px;
  margin-right: 10px;
}

.hero-chrome .traffic span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.hero-chrome .addr {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 5px 16px;
}

.hero-stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(var(--hero-rgb), 0.35), transparent 65%);
}

.hero-glyph {
  position: relative;
  width: 96px;
  height: 96px;
  border-radius: 26px;
  background: rgba(var(--hero-rgb), 0.14);
  border: 1px solid rgba(var(--hero-rgb), 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.6);
}

.hero-glyph svg {
  width: 46px;
  height: 46px;
  stroke: rgb(var(--hero-rgb));
}

.hero-panes {
  position: absolute;
  inset: 0;
}

.hero-panes span {
  position: absolute;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.hero-panes span:nth-child(1) { width: 130px; height: 34px; top: 34px; left: 40px; }
.hero-panes span:nth-child(2) { width: 90px; height: 34px; top: 34px; right: 40px; }
.hero-panes span:nth-child(3) { width: 200px; height: 18px; bottom: 30px; left: 40px; }
.hero-panes span:nth-child(4) { width: 140px; height: 18px; bottom: 30px; right: 40px; }

.modal-body {
  padding: 34px 40px 40px;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.modal-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--bg-strong);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--accent);
}

.modal-tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.modal-head-text h2 {
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.modal-domain {
  font-size: 13.5px;
  color: rgba(var(--accent-rgb), 0.85);
  font-weight: 500;
}

.modal-overview {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.modal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

.modal-stats div {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 16px;
  padding: 16px 18px;
}

.modal-stats .num {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.modal-stats .label {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 3px;
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.modal-grid h3,
.modal-solution h3,
.modal-body > section > h3 {
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
  font-weight: 600;
}

.modal-grid ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-grid li {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}

.modal-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.7);
}

.modal-solution {
  margin-bottom: 32px;
}

.modal-solution p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}

.modal-body > section {
  margin-bottom: 32px;
}

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

.modal-stack span {
  font-size: 13px;
  font-weight: 550;
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: var(--bg-strong);
  padding: 7px 14px;
  border-radius: 10px;
}

.modal-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
}

.modal-features li {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 9px;
}

.modal-features li svg {
  width: 14px;
  height: 14px;
  stroke: var(--success);
  flex-shrink: 0;
}

.modal-timeline {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-timeline li {
  counter-increment: step;
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-size: 14px;
  color: var(--text-muted);
}

.modal-timeline li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  font-weight: 650;
  color: var(--text);
}

.modal-timeline strong {
  color: var(--text);
  font-weight: 600;
}

.modal-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.modal-badges span {
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
}

.modal-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 100px;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background 0.25s ease;
}

.btn-primary {
  color: #050505;
  background: var(--text);
}

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

.btn-primary svg {
  width: 15px;
  height: 15px;
  stroke: #050505;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover svg {
  transform: translate(2px, -2px);
}

.btn-secondary {
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-strong);
}

@media (max-width: 640px) {
  .modal-overlay {
    padding: 0;
  }
  .modal {
    max-width: none;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }
  .modal-scroll {
    max-height: 100vh;
  }
  .modal-hero {
    height: 220px;
  }
  .modal-body {
    padding: 28px 22px 32px;
  }
  .modal-grid,
  .modal-features,
  .modal-stats {
    grid-template-columns: 1fr;
  }
}