:root {
  --bg: #080b12;
  --bg-elev: #0d111c;
  --text: #f7f9fc;
  --text-dim: #94a0b8;
  --accent: #4f7cff;
  --accent-2: #35d9c5;
  --border: rgba(148, 160, 184, 0.14);
  --border-strong: rgba(148, 160, 184, 0.28);
  --card: rgba(255, 255, 255, 0.02);
  --radius: 14px;
  --maxw: 1100px;
  --font-head: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* --- Ambient background --------------------------------------------------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 20% 0%, rgba(79, 124, 255, 0.16), transparent 70%),
    radial-gradient(50% 45% at 90% 10%, rgba(53, 217, 197, 0.1), transparent 70%),
    radial-gradient(70% 60% at 50% 100%, rgba(79, 124, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(148, 160, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 160, 184, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black, transparent 80%);
  pointer-events: none;
}

/* --- Nav ------------------------------------------------------------------ */
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  display: inline-flex;
  color: var(--accent);
}

.brand-word {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 1.15rem;
}
.brand-word.small {
  font-size: 1rem;
}

.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.nav-links a:hover {
  color: var(--text);
}

/* --- Hero ----------------------------------------------------------------- */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  text-align: center;
  padding: clamp(60px, 12vw, 130px) 0 clamp(50px, 8vw, 90px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 7px 16px;
  margin-bottom: 34px;
  background: var(--card);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 7rem);
  letter-spacing: 0.02em;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff 20%, #b9c4dc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  margin-top: 18px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.03em;
}

.hero-sub {
  max-width: 560px;
  margin: 22px auto 0;
  color: var(--text-dim);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
}

/* --- Notify forms --------------------------------------------------------- */
.notify {
  margin: 42px auto 0;
  max-width: 480px;
}
.notify-row {
  display: flex;
  gap: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  padding: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.notify-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(79, 124, 255, 0.14);
}
.notify-row input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 18px;
}
.notify-row input::placeholder {
  color: var(--text-dim);
}
.notify-row button {
  border: none;
  border-radius: 100px;
  padding: 12px 26px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.2s ease;
}
.notify-row button:hover {
  background: #6a90ff;
}
.notify-row button:active {
  transform: scale(0.97);
}

.text-cta {
  display: inline-block;
  margin-top: 26px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.98rem;
  transition: color 0.2s ease;
}
.text-cta:hover {
  color: var(--accent-2);
}

/* Honeypot */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.form-msg {
  min-height: 20px;
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.form-msg.ok {
  color: var(--accent-2);
}
.form-msg.err {
  color: #ff8080;
}

/* --- Sections ------------------------------------------------------------- */
.section {
  padding: clamp(60px, 10vw, 110px) 0;
  border-top: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  letter-spacing: -0.01em;
  max-width: 760px;
}

/* Cards */
.cards {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
}
.card:hover::before {
  opacity: 1;
}
.card-index {
  font-family: var(--font-head);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.card h3 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  margin: 12px 0 8px;
}
.card p {
  color: var(--text-dim);
  font-size: 0.96rem;
}

/* About */
.about-body {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  max-width: 900px;
}
.about-body p {
  color: var(--text-dim);
  font-size: 1.02rem;
}

.just-started {
  margin-top: 56px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(30px, 5vw, 48px);
  text-align: center;
}
.just-started h3 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.5vw, 1.9rem);
}
.just-started p {
  color: var(--text-dim);
  max-width: 520px;
  margin: 14px auto 0;
}
.notify.inline {
  margin-top: 30px;
}

/* Contact */
.contact-lead {
  margin-top: 18px;
  color: var(--text-dim);
  max-width: 640px;
  font-size: 1.05rem;
}
.contact-form {
  margin-top: 40px;
  max-width: 720px;
}
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form label {
  display: block;
  margin-bottom: 16px;
}
.contact-form label span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-dim);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(79, 124, 255, 0.14);
}
.btn-primary {
  border: none;
  border-radius: 100px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease;
}
.btn-primary:hover {
  background: #6a90ff;
}
.btn-primary:active {
  transform: scale(0.98);
}

/* --- Footer --------------------------------------------------------------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 60px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-tag {
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer-links {
  display: flex;
  gap: 22px;
}
.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--text);
}
.copyright {
  color: var(--text-dim);
  font-size: 0.85rem;
  width: 100%;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 860px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 620px) {
  .nav-links {
    gap: 18px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .about-body {
    grid-template-columns: 1fr;
  }
  .field-grid {
    grid-template-columns: 1fr;
  }
  .notify-row {
    flex-direction: column;
    border-radius: 16px;
    padding: 8px;
  }
  .notify-row button {
    width: 100%;
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}