:root {
  --bg: #080d14;
  --panel: #0f1822;
  --line: #1d2c3a;
  --ink: #eef4f8;
  --muted: #8fa5b5;
  --accent: #4cc38a;
  --accent-2: #38bdf8;
  --radius: 18px;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
}

h1, h2, h3, .brand {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
}

/* ---------- Nav ---------- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem clamp(1.2rem, 5vw, 4rem);
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 13, 20, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}

.brand {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.14em;
}

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

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
}

.orb-a {
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, #1d5f47, transparent 70%);
  top: -160px;
  right: -80px;
  animation: drift 18s ease-in-out infinite alternate;
}

.orb-b {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #14446b, transparent 70%);
  bottom: -200px;
  left: -120px;
  animation: drift 22s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
  to {
    transform: translate(40px, 30px) scale(1.08);
  }
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.2rem, 5vw, 4rem);
}

.eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  margin: 0 0 1.2rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 1.4rem;
}

.lede {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 540px;
  margin: 0;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #04150c;
  font-weight: 700;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 8px 24px rgba(76, 195, 138, 0.25);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(76, 195, 138, 0.35);
}

.btn-ghost {
  color: var(--ink);
  font-weight: 600;
  padding: 0.85rem 1.4rem;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(76, 195, 138, 0.06);
}

.hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}

/* ---------- Device mockup ---------- */
.device {
  background: #0c141d;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  overflow: hidden;
  transform: perspective(1200px) rotateY(-8deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.device:hover {
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}

.device-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.device-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22333f;
}

.device-screen {
  padding: 1.2rem;
  background: linear-gradient(160deg, #0e1a17, #0c141d);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.mock-top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.mock-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: #04150c;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
}

.mock-lines i {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: #22333f;
  margin: 5px 0;
}

.mock-lines i:first-child {
  width: 90px;
  background: #2e4a3c;
}

.mock-lines i:last-child {
  width: 140px;
}

.mock-stats {
  display: flex;
  gap: 0.5rem;
}

.mock-stats i {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--muted);
  background: #132029;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  flex: 1;
  text-align: center;
}

.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.mock-tile {
  background: #132029;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mock-tile em {
  font-style: normal;
  font-size: 1.3rem;
}

/* ---------- Sections ---------- */
.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.2rem, 5vw, 4rem);
}

.section h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: -0.01em;
  margin: 0 0 2rem;
}

/* Product */
.product {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
}

.product::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at top left, rgba(76, 195, 138, 0.08), transparent 60%);
  pointer-events: none;
}

.badge {
  align-self: flex-start;
  background: var(--accent);
  color: #04150c;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.product-desc {
  color: var(--ink);
  font-size: 1.1rem;
  margin: 1rem 0;
}

.features {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.4rem;
}

.features li {
  color: var(--muted);
  font-size: 0.95rem;
  padding-left: 1.3rem;
  position: relative;
}

.features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.features li b {
  color: var(--ink);
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
}

.price-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.product-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

.side-stat {
  background: rgba(8, 13, 20, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.side-stat b {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  color: var(--accent);
}

.side-stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.grid.secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 1.4rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
}

.link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
  background: linear-gradient(180deg, var(--panel), transparent);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.15em;
}

.step h3 {
  margin: 0.9rem 0 0.4rem;
  font-size: 1.15rem;
}

.step p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

/* Band */
.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(76, 195, 138, 0.06), rgba(56, 189, 248, 0.04));
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.2rem, 5vw, 4rem);
  text-align: center;
}

.band-line {
  max-width: 760px;
  margin: 0 auto 1rem;
  font-size: 1.15rem;
}

.band-fine {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Contact */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

input,
textarea {
  font: inherit;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  transition: border-color 0.2s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 0.4rem;
}

.fine {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}

/* Footer */
.footer {
  display: flex;
  justify-content: space-between;
  padding: 2rem clamp(1.2rem, 5vw, 4rem);
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

.footer-tag {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .device {
    transform: none;
    max-width: 460px;
  }

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

  .product-side {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .side-stat {
    flex: 1;
    min-width: 140px;
  }

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

  .features,
  .grid.secondary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav-links a {
    margin-left: 1rem;
    font-size: 0.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}