@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --bg-0: #0b1118;
  --bg-1: #0f1823;
  --bg-2: #132230;
  --ink-0: #eaf0eb;
  --ink-1: #b6c4ba;
  --ink-2: #8ea197;
  --accent: #7ea08f;
  --accent-strong: #95b7a6;
  --line: rgba(171, 200, 185, 0.18);
  --panel: rgba(13, 24, 35, 0.72);
  --panel-strong: rgba(11, 18, 27, 0.9);
  --radius: 16px;
  --shadow: 0 10px 35px rgba(5, 9, 14, 0.45);
  --container: min(1120px, 92vw);
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink-0);
  background-color: var(--bg-0);
  line-height: 1.55;
}

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

img {
  max-width: 100%;
  display: block;
}

.site-bg {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
}

.site-bg::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1200px 650px at 16% 10%, rgba(137, 180, 161, 0.12), transparent 60%),
    radial-gradient(900px 560px at 86% 24%, rgba(85, 126, 147, 0.18), transparent 62%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 55%, #0f1722 100%);
}

.site-bg::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background: url('../assets/glow-graph.png') center/cover no-repeat;
  opacity: 0.31;
  filter: saturate(95%) contrast(106%) brightness(72%);
  pointer-events: none;
}

.noise-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.07;
  background-image: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.18) 0 0.8px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.15) 0 0.7px, transparent 1px);
  background-size: 5px 5px, 7px 7px;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 15;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(155, 184, 170, 0.11);
  background: rgba(10, 15, 22, 0.72);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.logo-mark {
  width: clamp(88px, 8.4vw, 116px);
  height: clamp(88px, 8.4vw, 116px);
  object-fit: contain;
}

.brand-name {
  font-family: 'Space Grotesk', 'Manrope', sans-serif;
  font-size: clamp(1.05rem, 1.6vw, 1.45rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-0);
  white-space: nowrap;
}

.brand-name span {
  color: #a9b6bf;
  font-weight: 500;
}

.logo-link:hover .brand-name {
  color: #f0f6f2;
}

.logo-link:hover .brand-name span {
  color: #c2ced6;
}

@media (max-width: 700px) {
  .brand-name {
    font-size: 1rem;
  }
}

.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: clamp(0.85rem, 1.5vw, 1.5rem);
}

.main-nav a {
  font-size: 0.96rem;
  color: var(--ink-1);
  transition: color 200ms ease;
}

.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--ink-0);
}

.nav-toggle {
  display: none;
  color: var(--ink-0);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  padding: 0.45rem 0.6rem;
  font-size: 1rem;
}

.hero {
  padding-top: clamp(3rem, 7vw, 6rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.hero-panel {
  background: linear-gradient(145deg, rgba(17, 28, 40, 0.92), rgba(8, 13, 19, 0.76));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 3.6vw, 3.2rem);
  max-width: 780px;
}

.eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 0.75rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: 'Space Grotesk', 'Manrope', sans-serif;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1.15rem;
}

h2 {
  font-size: clamp(1.65rem, 3.2vw, 2.6rem);
}

h3 {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
}

.lead {
  margin: 0;
  font-size: clamp(1.03rem, 1.7vw, 1.32rem);
  color: #d6dfd9;
}

.copy {
  color: var(--ink-1);
  max-width: 66ch;
}

.actions {
  margin-top: 1.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, #88a595, #738d7f);
  color: #08110d;
}

.btn-secondary {
  background: rgba(147, 176, 162, 0.1);
  border-color: rgba(147, 176, 162, 0.34);
  color: var(--ink-0);
}

.section {
  padding-block: clamp(2.4rem, 5vw, 4.5rem);
}

.section + .section {
  border-top: 1px solid rgba(168, 190, 179, 0.12);
}

.section-graph {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(168, 193, 181, 0.16);
  border-radius: 22px;
  padding-inline: clamp(1rem, 2.4vw, 2rem);
  background: linear-gradient(160deg, rgba(10, 17, 26, 0.58), rgba(13, 23, 34, 0.42));
}

.section-graph::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.3;
  filter: saturate(95%) brightness(74%) contrast(104%);
}

.section-graph::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(110% 80% at 15% 40%, rgba(108, 157, 183, 0.16), transparent 62%),
    radial-gradient(90% 70% at 80% 20%, rgba(134, 178, 160, 0.15), transparent 64%);
}

.section-graph > * {
  position: relative;
  z-index: 1;
}

.graph-sine::before {
  background-image: url('../assets/sine-graph.png');
}

.graph-dot::before {
  background-image: url('../assets/dot-grid.png');
  opacity: 0.24;
}

.graph-glow::before {
  background-image: url('../assets/glow-graph.png');
  opacity: 0.37;
}

.section-heading {
  margin-bottom: 1rem;
}

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

.grid-2 {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem;
}

.card h3 {
  margin-bottom: 0.65rem;
}

.list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-1);
}

.list li + li {
  margin-top: 0.35rem;
}

.banner {
  background: linear-gradient(130deg, rgba(23, 37, 50, 0.94), rgba(11, 18, 26, 0.92));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(1.3rem, 3.2vw, 2.3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-hero {
  padding-block: clamp(2.5rem, 5vw, 4.2rem);
}

.form-wrap {
  max-width: 760px;
}

.field-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink-1);
  font-size: 0.92rem;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(158, 185, 173, 0.24);
  background: rgba(7, 12, 18, 0.72);
  color: var(--ink-0);
  font: inherit;
  padding: 0.7rem 0.85rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(139, 171, 155, 0.44);
  outline-offset: 1px;
}

textarea {
  min-height: 170px;
  resize: vertical;
}

.site-footer {
  border-top: 1px solid rgba(165, 190, 176, 0.15);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-block: 1.2rem 2rem;
  color: var(--ink-2);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 0.95rem;
}

@media (max-width: 900px) {
  .grid-3,
  .grid-2,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--panel-strong);
    border-bottom: 1px solid var(--line);
    padding: 0.9rem 1rem;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.7rem;
  }

  .nav-toggle {
    display: inline-flex;
  }
}