:root {
  --bg: #111318;
  --bg-soft: #171a21;
  --panel: rgba(24, 30, 40, 0.74);
  --text: #f7f5ef;
  --muted: #b8c0cc;
  --line: rgba(247, 245, 239, 0.16);
  --accent: #f3ff3b;
  --accent-2: #50e0ff;
  --danger: #ff6f4d;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(80, 224, 255, 0.16), transparent 35%),
    radial-gradient(circle at 88% 0%, rgba(243, 255, 59, 0.12), transparent 35%),
    linear-gradient(160deg, #090b0f 0%, #161b23 55%, #10141c 100%);
  line-height: 1.45;
  padding: 1.2rem clamp(1rem, 2vw, 2.5rem) 2rem;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 0.5px, transparent 0.5px);
  background-size: 3px 3px;
  z-index: 0;
}

.site-header,
main,
footer {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.8rem;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: "Syne", sans-serif;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

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

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.outline-btn,
.solid-btn,
.prompt-input-row button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.outline-btn:hover,
.solid-btn:hover,
.prompt-input-row button:hover {
  transform: translateY(-2px);
  border-color: rgba(243, 255, 59, 0.65);
}

.hero {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.4rem, 2vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(29, 35, 45, 0.85), rgba(16, 19, 25, 0.85));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 600;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Syne", sans-serif;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2rem, 8vw, 4.7rem);
  max-width: 14ch;
}

h1 span {
  color: var(--accent);
  display: inline-block;
}

.hero-copy {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
}

.prompt-box {
  margin-top: 0.2rem;
  padding: 1rem;
  border-radius: 14px;
  background: rgba(11, 14, 19, 0.6);
  border: 1px solid var(--line);
}

.prompt-box label {
  display: block;
  margin-bottom: 0.7rem;
  font-weight: 600;
}

.prompt-input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.7rem;
}

.prompt-input-row input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font: inherit;
}

.prompt-input-row input:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(80, 224, 255, 0.2);
}

.prompt-input-row button {
  background: linear-gradient(120deg, var(--accent), #e4ff70);
  color: #0b0e12;
  border: none;
}

.tiny {
  margin: 0.55rem 0 0;
  color: #9aa7b8;
  font-size: 0.82rem;
}

.orchestration {
  display: grid;
  gap: 0.45rem;
}

.orchestration p {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #d9e0eb;
  font-size: 0.95rem;
}

.orchestration span {
  color: var(--accent);
  font-weight: 600;
  margin-right: 0.45rem;
}

.metrics {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.metrics article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  background: var(--panel);
}

.metrics h2 {
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  color: var(--accent);
}

.metrics p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.workflow,
.features,
.deploy {
  margin-top: 1.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1rem, 2vw, 1.6rem);
  background: var(--panel);
}

.section-head h3 {
  margin-top: 0.45rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
  max-width: 23ch;
}

.steps,
.feature-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.steps article,
.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
  background: rgba(12, 16, 22, 0.45);
}

.steps h4,
.feature-grid h4 {
  font-size: 1.05rem;
  color: #fff9cb;
}

.steps p,
.feature-grid p,
.deploy p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.deploy {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.deploy h3 {
  margin-top: 0.45rem;
  font-size: clamp(1.45rem, 4.5vw, 2.2rem);
}

.solid-btn {
  text-decoration: none;
  background: linear-gradient(120deg, var(--danger), #ffac4d);
  color: #150d09;
  border: none;
  white-space: nowrap;
}

footer {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #a7afba;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.7s ease forwards;
}

.hero {
  animation-delay: 0.05s;
}

.metrics {
  animation-delay: 0.2s;
}

.workflow {
  animation-delay: 0.35s;
}

.features {
  animation-delay: 0.5s;
}

.deploy {
  animation-delay: 0.65s;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

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

  .deploy {
    flex-direction: column;
    align-items: flex-start;
  }

  footer {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    flex-wrap: wrap;
    margin-bottom: 1.4rem;
  }

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

  .prompt-input-row button,
  .outline-btn,
  .solid-btn {
    width: 100%;
    text-align: center;
  }
}