:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --bg-elev: #111821;
  --text: #e6edf3;
  --text-muted: #b2bfcc;
  --steel: #8ea3b6;
  --amber: #d79b57;
  --amber-glow: rgba(215, 155, 87, 0.3);
  --border: rgba(140, 160, 178, 0.22);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: "Space Grotesk", "IBM Plex Sans", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

p {
  margin: 0 0 1.2rem;
  color: var(--text-muted);
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  font-weight: 600;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
}

h3 {
  font-size: 1.1rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--bg-elev);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  z-index: 10;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.bg {
  position: fixed;
  inset: -4% -4% -4% -4%;
  background-image: url('/assets/img/landing.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(120% 120% at 70% 0%, rgba(18, 24, 32, 0.3) 0%, rgba(6, 10, 16, 0.82) 45%, rgba(4, 6, 10, 0.96) 100%),
    linear-gradient(120deg, rgba(8, 12, 18, 0.18), rgba(6, 9, 14, 0.75)),
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: cover, cover, 3px 3px;
  background-repeat: no-repeat, no-repeat, repeat;
  backdrop-filter: blur(2px) saturate(110%);
}

.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(130, 160, 190, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 160, 190, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  padding: 24px 0 8px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
}

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

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

.hero {
  padding: 80px 0 60px;
  min-height: 72vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 680px;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 1rem;
}

.subhead {
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  margin-bottom: 2rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease, background 200ms ease;
}

.btn-primary {
  background: linear-gradient(120deg, rgba(215, 155, 87, 0.95), rgba(190, 128, 60, 0.9));
  color: #1a1208;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4), 0 0 12px var(--amber-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.5), 0 0 16px var(--amber-glow);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-link {
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.btn-link::after {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--amber);
  margin-left: 10px;
  transform: translateY(-3px);
}

.proof {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.proof li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.95rem;
}

.icon {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(140, 160, 178, 0.45);
  border-radius: 6px;
  display: inline-block;
  position: relative;
  background: rgba(10, 14, 20, 0.5);
  box-shadow: inset 0 0 12px rgba(215, 155, 87, 0.18);
}

.icon::before,
.icon::after {
  content: "";
  position: absolute;
}

.icon-safety::before {
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.icon-safety::after {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(215, 155, 87, 0.5);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.icon-certainty::before {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(215, 155, 87, 0.7);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 2px;
}

.icon-certainty::after {
  width: 2px;
  height: 14px;
  background: rgba(215, 155, 87, 0.7);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  box-shadow: -4px 0 0 rgba(215, 155, 87, 0.4), 4px 0 0 rgba(215, 155, 87, 0.4);
}

.icon-quality::before {
  width: 14px;
  height: 2px;
  background: rgba(215, 155, 87, 0.7);
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  box-shadow: 0 5px 0 rgba(215, 155, 87, 0.5), 0 10px 0 rgba(215, 155, 87, 0.3);
}

.icon-quality::after {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(215, 155, 87, 0.9);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px rgba(215, 155, 87, 0.7);
}

.section {
  padding: 70px 0;
  scroll-margin-top: 90px;
}

.section-intro {
  max-width: 620px;
}

.cards {
  margin-top: 32px;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: rgba(13, 18, 25, 0.8);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.card p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.contact {
  padding-bottom: 90px;
}

.contact-form {
  margin-top: 28px;
  display: grid;
  gap: 18px;
  max-width: 640px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 0.9rem;
  color: var(--text);
}

input,
textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background: rgba(10, 14, 20, 0.7);
  border: 1px solid rgba(120, 140, 160, 0.35);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
.btn-link:focus-visible,
.nav-links a:focus-visible {
  outline: 2px solid rgba(215, 155, 87, 0.7);
  outline-offset: 3px;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.form-status {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

.form-status.is-error {
  color: #ffb3a6;
}

.site-footer {
  padding: 24px 0 40px;
  border-top: 1px solid rgba(140, 160, 178, 0.2);
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .hero {
    padding: 120px 0 90px;
  }

  .nav-links {
    gap: 28px;
  }

  .form-actions {
    flex-direction: row;
    align-items: center;
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn-primary,
  .btn-link {
    transition: none;
  }
}