/* ============================================
   Clean Collective San Diego: Global Styles
   ============================================ */

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

:root {
  /* Brand palette: Sage + Pistachio */
  --color-charcoal: #252E28;
  --color-sage: #6B8260;
  --color-sage-light: #8FA878;
  --color-sage-muted: #5C6D54;
  --color-stone: #D4DACE;
  --color-pistachio: #A4C96B;
  --color-pistachio-light: #B8D688;
  --color-pistachio-dark: #8FB355;
  --color-cream: #F5F4EF;
  --color-linen: #EBEAE3;

  --color-primary: var(--color-charcoal);
  --color-primary-light: #323D35;
  --color-primary-dark: #1E2620;
  --color-secondary: var(--color-sage);
  --color-secondary-dark: #556652;
  --color-accent: var(--color-pistachio);
  --color-accent-bright: var(--color-pistachio);
  --color-accent-light: var(--color-pistachio-light);
  --color-accent-dark: var(--color-pistachio-dark);
  --color-bg: var(--color-cream);
  --color-bg-alt: var(--color-linen);
  --color-bg-mint: #EEF0E8;
  --color-text: var(--color-charcoal);
  --color-text-muted: #5F6459;
  --color-white: #FFFFFF;
  --color-border: #E2E4DC;
  --color-border-light: #ECEEE8;
  --color-success: var(--color-sage);

  --font-heading: 'Stack Sans Headline', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1500px;
  --header-height: 88px;
  --header-height-scrolled: 72px;
  --announcement-height: 44px;
  --site-top-offset: calc(var(--announcement-height) + var(--header-height));
  --site-top-offset-scrolled: calc(var(--announcement-height) + var(--header-height-scrolled));
  --btn-height: 44px;
  --btn-height-sm: 40px;
  --btn-arrow-size: 30px;
  --btn-arrow-size-sm: 28px;
  --section-padding: clamp(5.5rem, 11vw, 9rem);
  --container-padding: clamp(1.25rem, 4vw, 2rem);

  --shadow-sm: 0 1px 3px rgba(37, 46, 40, 0.06);
  --shadow-md: 0 8px 30px rgba(37, 46, 40, 0.08);
  --shadow-lg: 0 20px 60px rgba(37, 46, 40, 0.12);
  --shadow-mega: 0 24px 64px rgba(37, 46, 40, 0.14);

  --radius: 10px;
  --radius-sm: var(--radius);
  --radius-md: var(--radius);
  --radius-lg: var(--radius);
  --radius-xl: var(--radius);
  --radius-pill: 999px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;

  --line-height-body: 1.6;
  --line-height-lead: 1.55;
  --line-height-relaxed: 1.65;

  --font-size-body: 1.125rem;
  --font-size-section-intro: 1.125rem;
  --font-size-lead: 1.125rem;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--site-top-offset) + 1rem);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

@media (max-width: 640px) {
  :root {
    --section-padding: clamp(3.5rem, 9vw, 5rem);
    --container-padding: 1.25rem;
    --header-height: 76px;
    --announcement-height: 64px;
  }
}

html.announcement-dismissed {
  --announcement-height: 0px;
}

html.announcement-dismissed .announcement-banner {
  display: none;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  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;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary-dark);
}

ul, ol {
  list-style: none;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 300;
  line-height: 1.15;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4.25rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; font-weight: 400; }

p {
  margin-bottom: 1rem;
  font-size: var(--font-size-body);
}
p:last-child { margin-bottom: 0; }

.lead {
  font-size: var(--font-size-lead);
  line-height: var(--line-height-lead);
  color: var(--color-text-muted);
}

.about-preview__content .lead,
.non-toxic__content .lead,
.services-header .lead {
  font-size: var(--font-size-section-intro);
  line-height: var(--line-height-body);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

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

.text-highlight {
  color: var(--color-accent);
}

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

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1500px;
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

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

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

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p,
.section--dark .lead {
  color: rgba(255, 255, 255, 0.85);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-header--wide {
  max-width: 960px;
}

.section-header--centered .eyebrow {
  justify-content: center;
}

.section-header p {
  margin-top: 1rem;
}

/* Grid utilities */
.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* Photo placeholders */
.photo-placeholder {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-stone) 100%);
  border: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-style: italic;
  min-height: 200px;
}

.photo-placeholder--hero {
  min-height: 100%;
  border: none;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.6) 100%);
  color: rgba(255, 255, 255, 0.5);
}

/* Visually hidden (accessibility) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Main content offset for sticky header */
main {
  min-height: 50vh;
}