:root {
  --bg: #f8f7f2;
  --surface: #fff;
  --surface-muted: #f7f4ee;
  --section-bg: #f9f6f0;
  --text: #222222;
  --copy: #4b4a4f;
  --muted: #6a6672;
  --primary: #5a4b7c;
  --primary-strong: #463966;
  --shadow: 0 24px 60px rgba(90, 75, 124, 0.08);
  --card-shadow: 0 18px 36px rgba(98, 76, 134, 0.06);
  --nav-link: #5a4b7c;
  --button-text: #fff;
  color-scheme: light;
  background: var(--bg);
  color: var(--text);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #09090f;
  --surface: #12121b;
  --surface-muted: #1c1a26;
  --section-bg: #111018;
  --text: #eef0f6;
  --copy: #c9c9d9;
  --muted: #9a98a4;
  --primary: #c9b8ff;
  --primary-strong: #9f8ee8;
  --shadow: 0 24px 60px rgba(24, 18, 64, 0.22);
  --card-shadow: 0 18px 36px rgba(28, 24, 68, 0.25);
  --nav-link: #d9caff;
  --button-text: #11101a;
  background: var(--bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid rgba(230, 226, 217, 0.8);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.logo-mark {
  width: 3rem;
  height: 3rem;
  border-radius: 0.9rem;
  display: block;
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
}

.brand p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--nav-link);
  text-decoration: none;
  font-weight: 600;
}

.hero {
  padding: 4rem 0 2rem;
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #8d7b9c;
  margin: 0 0 0.75rem;
}

.hero h2,
.section-header h2,
.about-section h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
}

.hero p {
  max-width: 44rem;
  color: var(--copy);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--button-text);
  padding: 0.95rem 1.8rem;
  border: none;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

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

.button-secondary {
  background: #e8deff;
  color: #5a4b7c;
}

.hero-card {
  border-radius: 1.5rem;
  background: var(--surface);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.hero-card h3 {
  margin-top: 0;
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.hero-card li {
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.75rem;
}

.hero-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #5a4b7c;
}

.section {
  padding: 3rem 0;
}

.products-section {
  background: var(--surface);
}

.section-header {
  margin-bottom: 2rem;
}

.section-header p {
  margin: 0 0 0.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.cards-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface-muted);
  border-radius: 1.25rem;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
}

.card h3 {
  margin-top: 0;
}

.about-section {
  background: var(--section-bg);
}

.about-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 1rem;
}

.feature-item {
  background: var(--surface);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 12px 30px rgba(82, 64, 118, 0.06);
}

.feature-item h3 {
  margin-top: 0;
}

.contact-section {
  background: var(--surface);
}

.contact-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.contact-details p {
  margin: 0.75rem 0 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.5rem;
  color: #4b4a4f;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d8d2c7;
  border-radius: 0.9rem;
  padding: 0.95rem 1rem;
  background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #c8b7ff;
  border-color: transparent;
}

.site-footer {
  padding: 1.5rem 0;
  text-align: center;
  color: #6e6a72;
}

@media (max-width: 900px) {
  .hero-content,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}

.theme-toggle {
  background: transparent;
  border: 1px solid rgba(90, 75, 124, 0.16);
  color: var(--text);
  border-radius: 999px;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.theme-toggle:hover {
  background: rgba(90, 75, 124, 0.08);
}