:root {
  --ink-950: #101117;
  --ink-800: #1e2331;
  --ink-700: #364055;
  --ink-500: #667086;
  --paper: #f7f1e6;
  --paper-strong: #fffaf2;
  --surface: rgba(255, 250, 242, 0.72);
  --surface-strong: rgba(255, 250, 242, 0.9);
  --line: rgba(16, 17, 23, 0.12);
  --accent: #ef6c43;
  --accent-dark: #cf5230;
  --shadow: 0 24px 60px rgba(16, 17, 23, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 999px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  color: var(--ink-800);
  background:
    radial-gradient(circle at top right, rgba(239, 108, 67, 0.18), transparent 28%),
    radial-gradient(circle at left center, rgba(93, 128, 222, 0.1), transparent 24%),
    linear-gradient(180deg, #fff8ef 0%, #f7f1e6 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 17, 23, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 17, 23, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 75%);
}

.site-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar,
.hero,
.product-card,
.contact-card,
.footer,
.principle-card,
.panel-card {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent) 0%, #f4b152 100%);
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong,
.topnav a,
.eyebrow,
.button,
.product-kicker,
.panel-label,
.footer-links a {
  font-family: "Space Grotesk", sans-serif;
}

.brand-copy span {
  color: var(--ink-500);
  font-size: 0.92rem;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.topnav a,
.footer-links a {
  color: var(--ink-700);
  text-decoration: none;
}

.topnav a:hover,
.footer-links a:hover,
.product-links a:hover,
.contact-card a:hover {
  color: var(--accent-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 28px;
  margin-top: 28px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  animation: rise 600ms ease-out both;
}

.eyebrow,
.product-kicker,
.panel-label {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink-950);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.02;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 8vw, 5.7rem);
}

h2 {
  max-width: 15ch;
  font-size: clamp(2rem, 5vw, 3.3rem);
}

h3 {
  font-size: 1.5rem;
}

.hero-text,
.product-copy p,
.principle-card p,
.contact-card p,
.footer p {
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-text {
  max-width: 56ch;
  margin: 18px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink-950);
  color: #fff;
}

.button-primary:hover {
  background: #232737;
}

.button-secondary {
  border-color: var(--line);
  color: var(--ink-800);
  background: rgba(255, 255, 255, 0.55);
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.panel-card,
.principle-card,
.product-card,
.contact-card,
.footer {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.panel-value {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.16rem;
  font-weight: 500;
  line-height: 1.35;
}

.section {
  margin-top: 72px;
}

.section-heading {
  display: grid;
  gap: 10px;
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.8fr);
  gap: 28px;
  margin-top: 26px;
  padding: 28px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.64);
}

.product-app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.product-app-icon {
  display: block;
  width: 72px;
  height: 72px;
  max-width: 72px;
  border-radius: 18px;
  flex-shrink: 0;
  object-fit: cover;
}

.feature-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  margin-top: 12px;
  padding-left: 22px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}

.product-links {
  display: grid;
  align-content: start;
  gap: 12px;
}

.product-links a,
.contact-card a {
  color: var(--ink-950);
}

.section-alt {
  padding: 32px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.36);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.principle-card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
}

.principle-card p {
  margin: 14px 0 0;
}

.contact-card {
  margin-top: 26px;
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.7);
}

.contact-card p {
  margin: 0;
}

.contact-card p + p {
  margin-top: 10px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 72px;
  padding: 20px 24px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.7);
}

.footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

@media (max-width: 900px) {
  .hero,
  .product-card,
  .principles,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero,
  .section-alt,
  .product-card,
  .contact-card {
    padding: 24px;
  }

  h1 {
    max-width: 100%;
  }

  h2 {
    max-width: 100%;
  }

  .footer {
    display: grid;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 24px, 1160px);
    padding-top: 12px;
  }

  .topbar {
    padding: 16px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .topnav {
    gap: 12px;
    font-size: 0.92rem;
  }

  .hero {
    margin-top: 18px;
    border-radius: 28px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    margin-top: 56px;
  }
}