/* 
  Theme: Nordic Design Minimalism
  Vibe: Airy, Spacious, High-Contrast, Engineered
*/
:root {
  /* Palette - Nordic High Key */
  --bg: #ffffff;
  --bg-subtle: #f9fafb;
  /* Extremely light gray */
  --text-main: #000000;
  /* Stark Black for contrast */
  --text-body: #334155;
  /* Slate 700 */
  --text-light: #94a3b8;
  /* Slate 400 */

  --border: #e2e8f0;
  /* Slate 200 */
  --line: #f1f5f9;
  /* Slate 100 */

  /* Accents - Minimal */
  --accent: #0f172a;
  /* Slate 900 */
  --action: #000000;

  /* Dimensions & Spacing - "Nice and Spaced Out" */
  --container: 1600px;
  /* Wide for big screens */
  --header-height: 160px;
  /* Accommodate 120px logo */

  --space-hero: 160px;
  --space-section: 180px;
  --space-gap: 60px;

  --radius: 0px;
  /* Sharp/Technical or slightly rounded? Nordic often uses sharp or very soft. Let's go refined 4px */
  --radius-soft: 12px;

  --font-main: "Inter", system-ui, -apple-system, sans-serif;
}

/* Global Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Animated Background Layer */
.bg-network {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url('background_network.png');
  background-size: cover;
  background-position: center;

  /* Initial State */
  opacity: 0.5;
  /* Increased visibility (was washed out) */
  transform: scale(1);
  animation: pulse 12s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.5;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    /* "Breathe" in - darker/clearer */
    transform: scale(1.03);
    /* Subtle zoom */
  }

  100% {
    opacity: 0.5;
    transform: scale(1);
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.container {
  width: 92%;
  max-width: var(--container);
  margin: 0 auto;
}

/* Skip Link */
.skip {
  position: absolute;
  left: -999px;
  background: black;
  color: white;
  padding: 1rem;
  z-index: 1000;
}

.skip:focus {
  left: 0;
  top: 0;
}

/* Navigation - Spacious & Clean */
.topbar {
  position: sticky;
  top: 0;
  padding: 20px 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: all 0.3s ease;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Large Logo Implementation */
.brand__logo {
  height: 120px;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand__name {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--text-main);
  display: none;
  /* Hide text if logo is huge and dominant? Or keep? Let's hide text name if logo has text, but user said "logo should be 400% bigger", presumably the image contains the brand. Removing text to be cleaner. */
}

.nav__link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.2s ease;
  background: white;
}

.nav__link:hover {
  background: var(--text-main);
  color: white;
  border-color: var(--text-main);
}

/* Hero Section - Airy */
.hero {
  padding-top: 140px;
  padding-bottom: var(--space-section);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-gap);
  align-items: center;
}

.hero__copy {
  max-width: 700px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 32px;
}

.hero__title {
  font-size: clamp(3.5rem, 5vw, 5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 32px;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--text-body);
  max-width: 85%;
  margin-bottom: 56px;
  font-weight: 400;
  line-height: 1.6;
}

/* Actions */
.cta {
  margin-bottom: 80px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 36px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 100px;
  /* Pill shape for Nordic softness */
}

.btn--primary {
  background: var(--text-main);
  color: #fff;
  border: 1px solid var(--text-main);
}

.btn--primary:hover {
  background: #333;
  border-color: #333;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.2);
}

.btn--ghost {
  background: transparent;
  color: var(--text-body);
  border: 1px solid var(--border);
  font-size: 1rem;
}

.btn--ghost:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

/* Proof Points - Minimal List */
.proof {
  display: grid;
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 40px;
}

.proof__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 20px;
  align-items: flex-start;
}

.proof__icon {
  color: var(--text-main);
  font-size: 1.2rem;
  font-weight: bold;
}

.proof__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.proof__desc {
  font-size: 0.95rem;
  color: var(--text-light);
}

/* Card - The "Document" Look */
.hero__card {
  position: relative;
  /* Add subtle tilt or float? No, keep it grounded and clean for Nordic */
}

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
  /* Soft, diffused shadow */
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
}

.card__top {
  padding: 32px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffffff;
}

.pill {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  background: var(--bg-subtle);
  padding: 8px 16px;
  border-radius: 100px;
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-body);
}

.status__ring {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #d1fae5;
}

.card__body {
  padding: 40px;
}

.metric {
  margin-bottom: 40px;
}

.metric__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.metric__value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.metric__hint {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 12px;
  display: block;
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 32px 0;
}

.list {
  display: grid;
  gap: 16px;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 1rem;
  color: var(--text-body);
}

.bullet {
  width: 6px;
  height: 6px;
  background: var(--text-light);
  border-radius: 50%;
}

.card__footer {
  padding: 32px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--line);
  text-align: center;
}

.fineprint {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 16px;
}

/* Footer - Clean */
.footer {
  padding: 80px 0 120px;
  border-top: 1px solid var(--border);
  background: #ffffff;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}

.footer__left {
  max-width: 400px;
}

.brand--small .brand__logo {
  height: 32px;
  /* Smaller in footer */
}

.footer__text {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 16px;
}

.footer__right {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.footer__link {
  color: var(--text-main);
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

.footer__link:hover {
  border-color: var(--text-main);
}

/* Responsiveness */
@media (max-width: 1100px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 80px;
    text-align: center;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .hero__copy {
    margin: 0 auto;
  }

  .hero__subtitle,
  .proof,
  .cta,
  .eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .proof {
    text-align: left;
    max-width: 500px;
  }
}

@media (max-width: 600px) {
  .topbar {
    padding: 10px 0;
  }

  .brand__logo {
    height: 60px;
  }

  /* Scale down slightly on mobile so it fits */
  .hero {
    padding-top: 100px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}