* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f8f7f3;
  --surface: #ffffff;
  --text: #1c1c1c;
  --muted: #6f6f69;
  --accent: #4489c2;
  --accent-dark: #0a3f69;
  --border: #e4e2db;
  --max-width: 1120px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Ubuntu", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 247, 243, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo svg {
  display: block;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  color: #55554f;
  font-size: 0.95rem;
}

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

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  padding: 100px 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 80px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 12px;
}

h1, h2, h3 {
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 760px;
  font-size: clamp(3rem, 7vw, 5.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  font-size: 1.35rem;
}

.hero-text {
  max-width: 620px;
  margin: 24px 0 32px;
  color: var(--muted);
  font-size: 1.1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  background: var(--accent);
  color: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}

.button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button-small {
  padding: 9px 16px;
  font-size: 0.9rem;
}

.hero-card {
  aspect-ratio: 1;
  border-radius: 32px;
  background-image: url(assets/hero_card_bg.png);
  background-size: cover;
  display: grid;
  place-items: center;
  color: white;
  box-shadow: 20px 20px 0 #d9ddd3;
}

.hero-card span {
  font-size: 7rem;
}

.section {
  padding: 90px 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 45px;
}

.products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 22px;
}

.product-image {
  min-height: 330px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.product-one {
  background-image: url(assets/basis.png);
  background-size: cover;
  background-position-y: center;
}

.product-two {
  background-image: url(assets/premium.png);
  background-size: cover;
  background-position-y: center;
}

.product-body {
  padding: 28px;
}

.product-body p {
  color: var(--muted);
  margin: 12px 0 24px;
}

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

.product-footer strong {
  font-size: 1.2rem;
}

.cart {
  margin-top: 28px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--text);
  color: white;
  border-radius: 18px;
}

.cart-label {
  display: block;
  color: #aaa;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-light {
  background: #eceee8;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about > p {
  color: var(--muted);
  font-size: 1.1rem;
}

.contact {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}

.contact > div > p:last-child {
  color: var(--muted);
  margin-top: 18px;
}

form {
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  font-size: 0.9rem;
}

input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 15px;
  font: inherit;
  background: var(--surface);
  color: var(--text);
}

input:focus, textarea:focus {
  outline: 2px solid #9bbcae;
  border-color: var(--accent);
}

textarea {
  resize: vertical;
}

.form-message {
  color: var(--accent);
  font-weight: 700;
}

.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    text-align: center;
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    padding: 65px 0;
  }

  .hero-content,
  .products,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-content {
    gap: 45px;
  }

  .hero-card {
    max-width: 360px;
    width: 100%;
    margin-inline: auto;
  }

  .section {
    padding: 65px 0;
  }

  .footer .container {
    flex-direction: column;
  }
}

.features {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
}

.features li {
  position: relative;
  padding-left: 30px;
  font-size: 0.95rem;
  color: var(--muted);
}

.features li::before {
  position: absolute;
  left: 0;
  top: 0;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 900;
}

.features .included::before {
  content: "✓";
  background: #dceee4;
  color: #23734b;
}

.features .excluded::before {
  content: "✕";
  background: #f1e0df;
  color: #a04742;
}

.demo-login {
  display: grid;
  gap: 3px;
  margin-bottom: 24px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #f3f4f0;
  border: 1px solid var(--border);
  font-size: 0.82rem;
}

.demo-login strong {
  margin-bottom: 4px;
  color: var(--text);
}

.demo-login span {
  color: var(--muted);
}

.product-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.button-demo {
  padding: 9px 16px;
  font-size: 0.9rem;
}

.product-price {
  margin-top: 20px;
}

.product-price strong {
  font-size: 1.2rem;
}