:root {
  --bg: #ffffff;
  --bg-alt: #f7f7f8;
  --text: #1c1c1e;
  --text-muted: #6b6b70;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --border: #e5e5e7;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 26px;
  height: 26px;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: 0.2s ease;
}

/* Hero */
.hero {
  padding: 120px 0 100px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s ease, transform 0.1s ease;
}

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

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

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 12px;
}

.btn-secondary:hover {
  background: var(--bg-alt);
}

/* Sections */
section {
  padding: 90px 0;
}

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

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Cards / grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 20px;
}

.card .icon img,
.card .icon svg {
  width: 24px;
  height: 24px;
}

.product-card {
  padding: 0;
  overflow: hidden;
}

.product-image {
  height: 170px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.product-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.product-card .card-body {
  padding: 24px 28px 28px;
}

.product-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.product-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.location-image {
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.location-image img {
  display: block;
  width: 100%;
  height: auto;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  text-align: center;
}

.stats .num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
}

.stats .label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* Team */
.team-card {
  text-align: center;
}

.team-card .avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--bg-alt);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent);
  border: 1px solid var(--border);
}

.team-card h3 {
  margin-bottom: 4px;
}

.team-card .role {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.info-item {
  margin-bottom: 24px;
}

.info-item h3 {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.info-item p {
  font-size: 1.05rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Mobile nav */
@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-links.open {
    max-height: 300px;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
  }

  .hero {
    padding: 80px 0 60px;
  }

  .btn-secondary {
    margin-left: 0;
    margin-top: 12px;
  }
}