:root {
  --color-bg: #ffffff;
  --color-bg-alt: #fbf7f2;
  --color-text: #1f2933;
  --color-text-muted: #52606d;
  --color-accent: #f7931a;
  --color-accent-dark: #d97a06;
  --color-accent-tint: #fdeed8;
  --color-accent-text: #b45309;
  --color-logo-ink: #2b312e;
  --color-on-logo-ink: #ffffff;
  --color-border: #e8e4de;
  --header-bg: rgba(255, 255, 255, 0.92);
  --font-display: "Poppins", "Montserrat", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  --container: 1080px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --color-bg: #14181e;
  --color-bg-alt: #1b2129;
  --color-text: #e7ecf2;
  --color-text-muted: #9aa7b4;
  --color-accent-dark: #f9a948;
  --color-accent-tint: #2c2113;
  --color-accent-text: #f0a544;
  --color-logo-ink: #e7ecf2;
  --color-on-logo-ink: #14181e;
  --color-border: #2b333d;
  --header-bg: rgba(20, 24, 30, 0.92);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.12em;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-logo-ink);
  letter-spacing: -0.01em;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-logo-ink);
  color: var(--color-on-logo-ink);
  font-weight: 700;
  line-height: 1;
  padding: 0.14em 0.16em 0.18em;
  border-radius: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: color 0.15s ease;
}

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

.site-nav .nav-cta {
  color: #241a05;
  background: var(--color-accent);
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
}

.site-nav .nav-cta:hover {
  background: var(--color-accent-dark);
  color: #241a05;
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px;
  background: var(--color-bg);
}

.lang-toggle button {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-toggle button:hover {
  color: var(--color-text);
}

.lang-toggle button.active {
  background: var(--color-logo-ink);
  color: var(--color-on-logo-ink);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #241a05;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-accent-text);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: #241a05;
}

.btn-lg {
  font-size: 1.15rem;
  padding: 0.9rem 2.25rem;
}

/* Hero */
.hero {
  padding: 7rem 0 6rem;
  text-align: center;
  background:
    radial-gradient(ellipse at top, var(--color-accent-tint) 0%, transparent 60%),
    var(--color-bg);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Sections */
section {
  padding: 5rem 0;
}

section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-lead {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

/* Services */
.services {
  background: var(--color-bg-alt);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent-dark);
  background: var(--color-accent-tint);
  border-radius: 8px;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.97rem;
}

/* Why us */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
  text-align: center;
}

.why-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent-text);
}

.why-item p {
  color: var(--color-text-muted);
  font-size: 0.97rem;
}

/* Contact */
.contact {
  background: var(--color-bg-alt);
  text-align: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
}

/* Mobile */
@media (max-width: 600px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    row-gap: 0.5rem;
  }

  .header-controls {
    margin-left: auto;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-left: 0;
    gap: 0.75rem 1.25rem;
    flex-wrap: wrap;
  }

  .hero {
    padding: 4.5rem 0 4rem;
  }

  section {
    padding: 3.5rem 0;
  }
}