/* ============================================================
   Asaptic Labs — Landing Page Stylesheet
   AI-native dark tech aesthetic
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  --bg: #0A1428;
  --bg-card: #0F1E38;
  --bg-darker: #080F1E;
  --white: #FFFFFF;
  --accent: #29B6F6;
  --cyan: #00E5FF;
  --green: #51CF66;
  --gray: #B0BEC5;
  --gray-dim: #4A5568;
  --border: #1A385C;
  --border-bright: #29B6F6;
}

/* ---------- Reset + Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--accent);
  color: #0A1428;
}

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

/* ---------- Container ---------- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Nav ---------- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: rgba(8, 15, 30, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

nav .container {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.12em;
  color: var(--white);
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--gray);
  font-size: 14px;
  transition: color 0.2s;
}

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

.nav-cta {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 7px 18px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.2s, color 0.2s;
}

.nav-cta:hover {
  background-color: var(--accent);
  color: var(--bg);
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray);
  padding: 5px 10px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

.lang-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-btn.active {
  background-color: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(circle, #1A385C 1px, transparent 1px);
  background-size: 32px 32px;
  animation: drift 20s linear infinite;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-live {
  position: absolute;
  top: 24px;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray-dim);
}

.hero-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 28px;
  display: block;
}

.hero-title {
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 8px;
}

.hero-cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background-color: var(--cyan);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

.hero-sub {
  font-size: 18px;
  color: var(--gray);
  margin-top: 20px;
  margin-bottom: 44px;
}

.hero-cta {
  color: var(--cyan);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s;
}

.hero-cta:hover {
  gap: 14px;
}

/* ---------- Crossings ---------- */
.card-link {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
  align-self: flex-start;
}

.card-link:hover {
  opacity: 1;
  transform: translateX(4px);
}

.card-link:empty {
  display: none;
}

.crossings {
  padding: 120px 0;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 52px;
  display: block;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 6px;
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 229, 255, 0.08);
}

.card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 20px;
  display: block;
}

.card-heading {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
}

.card-body {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.75;
}

/* ---------- Thread ---------- */
.thread {
  padding: 100px 0;
  background-color: var(--bg-darker);
  text-align: center;
}

.thread-rule {
  width: 0;
  height: 2px;
  background-color: var(--accent);
  margin: 0 auto 40px;
  transition: width 0.8s ease;
}

.thread-rule.visible {
  width: 60px;
}

.thread-heading {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  margin-bottom: 24px;
}

.thread-body {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.85;
  max-width: 680px;
  margin: 0 auto;
}

/* ---------- Fade-in Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.cards-grid .card:nth-child(2) {
  transition-delay: 0.1s;
}

.cards-grid .card:nth-child(3) {
  transition-delay: 0.2s;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
}

.footer-top {
  padding: 48px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}

.footer-logo {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--gray-dim);
  font-size: 13px;
  transition: color 0.2s;
}

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

.footer-tagline {
  font-size: 13px;
  color: var(--gray-dim);
  font-style: italic;
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--gray-dim);
  text-align: center;
}

/* ---------- @keyframes ---------- */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.6;
  }
}

@keyframes drift {
  from { background-position: 0 0; }
  to   { background-position: 32px 32px; }
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

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

  .footer-top {
    flex-direction: column;
  }
}

/* ── Work (Recent Shipped) ────────────────────────────────────────────────── */
.work {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.work-content {
  margin-top: 48px;
}

.work-heading {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.work-intro {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 48px;
}

.work-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.work-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

.work-item:first-child {
  border-top: 1px solid var(--border);
}

.work-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.work-title {
  font-size: 15px;
  color: var(--white);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .work-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ── Ops (AI-Operated) ────────────────────────────────────────────────────── */
.ops {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.ops-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 48px;
  align-items: start;
}

.ops-heading {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.ops-body {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
}

.ops-roles {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ops-role {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.ops-role:first-child {
  border-top: 1px solid var(--border);
}

.ops-role-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  display: block;
  margin-bottom: 8px;
}

.ops-role-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .ops-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}