:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --ink: #0b0d12;
  --muted: #5c6578;
  --line: #e8eaef;
  --accent: #1a56db;
  --accent-hover: #1347b8;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.nav-links {
  display: none;
  gap: 1.75rem;
  margin-left: auto;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
}

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

.nav-cta {
  display: none;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
}

.nav-cta:hover {
  opacity: 0.88;
}

@media (min-width: 800px) {
  .nav {
    padding: 1rem 3rem;
  }
  .nav-links,
  .nav-cta {
    display: flex;
  }
}

.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem 5rem;
  text-align: center;
}

.hero-brand {
  margin: 0 0 1.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.6rem, 7vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.hero-lead {
  margin: 0 auto 2rem;
  max-width: 32rem;
  font-size: 1.125rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background 0.15s, opacity 0.15s, border-color 0.15s;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.primary:hover {
  background: var(--accent-hover);
}

.btn.ghost {
  border-color: var(--line);
  color: var(--ink);
}

.btn.ghost:hover {
  border-color: #c9ced8;
  background: var(--bg-soft);
}

@media (min-width: 800px) {
  .hero {
    padding: 7.5rem 3rem 6.5rem;
  }
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-inner > h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.lead {
  margin: 0 0 2.5rem;
  max-width: 36rem;
  font-size: 1.1rem;
  color: var(--muted);
}

.products {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 4.5rem 1.5rem;
}

@media (min-width: 800px) {
  .products {
    padding: 6rem 3rem;
  }
}

.product-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .product-grid-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
  }
}

.product {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-height: 100%;
}

.product:hover {
  border-color: #c9ced8;
  box-shadow: 0 8px 24px rgba(11, 13, 18, 0.04);
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.product h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: #0d7a4f;
  background: #e8f7f0;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.product p {
  margin: 0;
  flex: 1;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.product:hover .product-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.about {
  padding: 4.5rem 1.5rem;
}

@media (min-width: 800px) {
  .about {
    padding: 6rem 3rem;
  }
}

.about-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 720px) {
  .about-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.about-grid h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact {
  padding: 4.5rem 1.5rem 5.5rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 800px) {
  .contact {
    padding: 5.5rem 3rem 7rem;
  }
}

.mail {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.mail:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.foot-links {
  display: flex;
  gap: 1.25rem;
}

.foot-links a:hover {
  color: var(--ink);
}

@media (min-width: 800px) {
  .foot {
    padding: 1.25rem 3rem;
  }
}

[data-in] {
  opacity: 0;
  transform: translateY(10px);
  animation: in 0.7s var(--ease) forwards;
}

[data-in][data-delay="1"] { animation-delay: 0.08s; }
[data-in][data-delay="2"] { animation-delay: 0.16s; }
[data-in][data-delay="3"] { animation-delay: 0.24s; }

@keyframes in {
  to {
    opacity: 1;
    transform: none;
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-in],
  [data-reveal] {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}