/* =========================================
   RESET
   ========================================= */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

ul {
  list-style: none;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}
main section {
  padding-block: var(--space-2xl) 0;
}

main section:first-child {
  padding-top: 0;
}

/* =========================================
   DESIGN TOKENS
   ========================================= */
:root {
  --color-bg: #15131C;
  --color-surface: #1E1B29;
  --color-text: #EDEAF5;
  --color-muted: #9893AB;
  --color-accent: #7C5CFC;
  --color-border: #2D2A3B;

  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --section-spacing: 6rem;

  --container-width: 900px;
  --radius-md: 0.75rem;
  --transition: 200ms ease;

  --z-skip-link: 100;
  --z-header: 50;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

:where(a, button, input, textarea, select):focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: var(--z-skip-link);
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-md);
}
/* =========================================
   HEADER / NAV (shared across all pages)
   ========================================= */
header {
  position: relative;
  z-index: var(--z-header);
  border-bottom: 1px solid var(--color-border);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9375rem;
  color: var(--color-muted);
  transition: color var(--transition);
}

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

.nav-links a.active {
  color: var(--color-accent);
  font-weight: 600;
}

/* =========================================
   HOME HERO (index.html only)
   ========================================= */
.hero-content {
  max-width: 600px;
  padding-block: var(--space-2xl);
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--space-sm);
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

/* =========================================
   PAGE HEADER (about.html, contact.html)
   ========================================= */
.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  padding-block: var(--space-xl) var(--space-lg);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn-primary {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-bg) !important;
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
  cursor: pointer;
  transition: opacity var(--transition);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  opacity: 0.85;
}
/* =========================================
   SECTIONS (shared)
   ========================================= */
main {
  padding-block: var(--space-xl) var(--space-2xl);
}

main h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xl);
}

/* =========================================
   ABOUT PAGE — PROSE
   ========================================= */
.prose {
  max-width: 680px;
}

.prose p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.prose p:last-child {
  margin-bottom: 0;
}

/* =========================================
   CONTACT PAGE
   ========================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.contact-info a {
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.contact-info a:hover,
.contact-info a:focus-visible {
  border-bottom-color: var(--color-accent);
}

.contact-info img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  margin-right: var(--space-xs);
  vertical-align: middle;
  display: inline-block;
  border-radius: 10px;
}

/* =========================================
   CONTACT FORM
   ========================================= */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
}

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

.form-group textarea {
  resize: vertical;
}

.contact-form .btn-primary {
  align-self: flex-start;
}
/* =========================================
   SERVICES
   ========================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: border-color var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* =========================================
   WHY CHOOSE US
   ========================================= */
.why-us-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 640px;
}

.why-us-list li {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
}

/* =========================================
   PRICING
   ========================================= */
.pricing-list {
  display: flex;
  flex-direction: column;
  max-width: 640px;
}

.pricing-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.pricing-list li:first-child {
  border-top: 1px solid var(--color-border);
}

.pricing-list li span:first-child {
  color: var(--color-text);
  font-size: 1.0625rem;
}

.price {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-accent);
}

/* =========================================
   PRODUCTS PAGE
   ========================================= */
.products-intro {
  font-size: 1.0625rem;
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

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

.product-card:hover {
  border-color: var(--color-accent);
}

.product-image {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

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

.product-image span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: center;
}

.product-card h3 {
  font-size: 1rem;
  padding: var(--space-md) var(--space-md) 0;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-accent);
  padding: var(--space-xs) var(--space-md) var(--space-md);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 700px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  main h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 500px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .nav-links {
    gap: var(--space-md);
  }
}

@media (max-width: 700px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}