/* ==========================================================================
   The Site Is Right — Design System & Global Styles
   ========================================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-bg: #faf8f5;
  --color-surface: #f0ece6;
  --color-surface-raised: #ffffff;
  --color-text: #2d2926;
  --color-text-muted: #6b635b;
  --color-text-light: #8a827a;
  --color-accent: #c4713b;
  --color-accent-hover: #a85e2e;
  --color-accent-light: rgba(196, 113, 59, 0.1);
  --color-primary: #2d2926;
  --color-primary-hover: #463f3a;
  --color-border: #e0dbd4;
  --color-border-light: #ebe7e1;
  --color-white: #ffffff;
  --color-success: #3a7d5c;
  --color-error: #c44b3b;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type Scale */
  --text-display: clamp(2.75rem, 5.5vw, 4.25rem);
  --text-h1: clamp(2.25rem, 4.5vw, 3.25rem);
  --text-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --text-h3: clamp(1.25rem, 2vw, 1.5rem);
  --text-h4: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-label: 0.75rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;

  /* Borders & Shadows */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(45, 41, 38, 0.06);
  --shadow: 0 4px 12px rgba(45, 41, 38, 0.08);
  --shadow-lg: 0 8px 30px rgba(45, 41, 38, 0.1);
  --shadow-xl: 0 16px 48px rgba(45, 41, 38, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 350ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.text-display {
  font-family: var(--font-display);
  font-size: var(--text-display);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.text-body { font-size: var(--text-body); }
.text-small { font-size: var(--text-small); }

.text-label {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.text-muted { color: var(--color-text-muted); }

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-5xl) 0;
}

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

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background-color var(--transition), box-shadow var(--transition), padding var(--transition);
}

.navbar.scrolled {
  background-color: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-sm) 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.logo span {
  color: var(--color-accent);
}

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

.nav-links a {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav-cta {
  font-size: var(--text-small) !important;
  font-weight: 600 !important;
  color: var(--color-white) !important;
  background-color: var(--color-accent);
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background-color: var(--color-accent-hover) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition), transform var(--transition);
}

.mobile-drawer.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.mobile-drawer a {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mobile-drawer a:hover {
  color: var(--color-accent);
}

.mobile-drawer a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-body);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  text-align: center;
  line-height: 1;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(196, 113, 59, 0.25);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(196, 113, 59, 0.3);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

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

.btn--dark:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.btn--small {
  font-size: var(--text-small);
  padding: 0.625rem 1.25rem;
}

.btn--large {
  font-size: 1.05rem;
  padding: 1rem 2rem;
}

/* --- Cards --- */
.card {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header .text-label {
  margin-bottom: var(--space-sm);
  display: block;
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Entrance Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }
.reveal-delay-6 { transition-delay: 600ms; }

/* --- Footer --- */
.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.footer-brand p {
  font-size: var(--text-small);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-small);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col a {
  display: block;
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-col a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-small);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-white);
}

/* --- Pill / Tag --- */
.pill {
  display: inline-block;
  font-size: var(--text-label);
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

/* --- Icon Container --- */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background-color: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.icon-box svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

/* --- CTA Banner --- */
.cta-banner {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl) var(--space-3xl);
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.cta-banner .btn--primary {
  background-color: var(--color-accent);
}

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

/* --- Page Header (for inner pages) --- */
.page-header {
  padding: calc(var(--space-5xl) + 60px) 0 var(--space-3xl);
  text-align: center;
  background-color: var(--color-surface);
}

.page-header .text-label {
  margin-bottom: var(--space-sm);
  display: block;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1280px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-5xl: 5rem;
    --space-4xl: 3.5rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

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