/* ===========================================
   BLAKLEY MAKES — Design Tokens + Components
   Warm rustic cooking blog
   =========================================== */

/* --- Type Scale --- */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* --- Spacing (4px base) --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* --- Content widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* --- Fonts --- */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* ===========================================
   COLOR PALETTE — Warm Kitchen
   =========================================== */

:root, [data-theme="light"] {
  /* Surfaces — warm greige */
  --color-bg:               #f6f5f1;
  --color-surface:          #efeee9;
  --color-surface-2:        #e8e7e1;
  --color-surface-offset:   #e3e1db;
  --color-surface-dynamic:  #d9d7d0;
  --color-divider:          #cfcdc5;
  --color-border:           #c4c1b8;

  /* Text — warm dark */
  --color-text:             #2a2926;
  --color-text-muted:       #6e6c65;
  --color-text-faint:       #a8a59d;
  --color-text-inverse:     #f6f5f1;

  /* Primary — sage/olive green */
  --color-primary:          #6b7c52;
  --color-primary-hover:    #596a42;
  --color-primary-active:   #475534;
  --color-primary-highlight: #dfe5d6;

  /* Accent — muted warm brown */
  --color-accent:           #8a7e6b;
  --color-accent-hover:     #756a58;
  --color-accent-active:    #615748;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.3 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.3 0.01 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.3 0.01 80 / 0.12);
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg:               #191a18;
  --color-surface:          #1f201e;
  --color-surface-2:        #262724;
  --color-surface-offset:   #1d1e1c;
  --color-surface-dynamic:  #2f302d;
  --color-divider:          #2a2b28;
  --color-border:           #393a36;
  
  --color-text:             #d4d3ce;
  --color-text-muted:       #8a8980;
  --color-text-faint:       #58574f;
  --color-text-inverse:     #191a18;

  --color-primary:          #95a87a;
  --color-primary-hover:    #a8bb8d;
  --color-primary-active:   #7e9165;
  --color-primary-highlight: #2e3329;

  --color-accent:           #a49a88;
  --color-accent-hover:     #b8ae9c;
  --color-accent-active:    #918776;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #191a18;
    --color-surface:          #1f201e;
    --color-surface-2:        #262724;
    --color-surface-offset:   #1d1e1c;
    --color-surface-dynamic:  #2f302d;
    --color-divider:          #2a2b28;
    --color-border:           #393a36;
    --color-text:             #d4d3ce;
    --color-text-muted:       #8a8980;
    --color-text-faint:       #58574f;
    --color-text-inverse:     #191a18;
    --color-primary:          #95a87a;
    --color-primary-hover:    #a8bb8d;
    --color-primary-active:   #7e9165;
    --color-primary-highlight: #2e3329;
    --color-accent:           #a49a88;
    --color-accent-hover:     #b8ae9c;
    --color-accent-active:    #918776;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ===========================================
   LAYOUT
   =========================================== */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

/* ===========================================
   HEADER / NAV
   =========================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: box-shadow 0.3s var(--ease-out);
}

.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color var(--transition-interactive);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a.active {
  color: var(--color-primary);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4);
    gap: var(--space-4);
  }
  .nav-links.open { display: flex; }
  .mobile-menu-btn { display: flex; }
}

/* ===========================================
   HERO
   =========================================== */

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    oklch(from var(--color-bg) l c h / 0.92) 0%,
    oklch(from var(--color-bg) l c h / 0.7) 50%,
    oklch(from var(--color-bg) l c h / 0.3) 100%
  );
  z-index: 1;
}

@media (max-width: 768px) {
  .hero-overlay {
    background: linear-gradient(
      to bottom,
      oklch(from var(--color-bg) l c h / 0.6) 0%,
      oklch(from var(--color-bg) l c h / 0.85) 50%,
      oklch(from var(--color-bg) l c h / 0.95) 100%
    );
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-16) var(--space-4);
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.05;
  margin-bottom: var(--space-4);
  max-width: 12ch;
}

.hero-description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 42ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: oklch(from var(--color-bg) l c h / 0.7);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ===========================================
   SECTIONS
   =========================================== */

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

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

.section-header {
  text-align: left;
  margin-bottom: var(--space-10);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  max-width: 55ch;
}

/* ===========================================
   RECIPE CARDS
   =========================================== */

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}

.recipe-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.recipe-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.recipe-card:active {
  transform: translateY(0);
}

.recipe-card-image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.recipe-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.recipe-card:hover .recipe-card-image img {
  transform: scale(1.04);
}

.recipe-card-body {
  padding: var(--space-4) var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.recipe-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.recipe-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: var(--space-2);
}

.recipe-card-meta {
  margin-top: auto;
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-top: var(--space-3);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.recipe-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ===========================================
   FEATURED RECIPE (large)
   =========================================== */

.featured-recipe {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.featured-recipe-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.featured-recipe-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.featured-recipe-content {
  padding: var(--space-4);
}

@media (max-width: 768px) {
  .featured-recipe {
    grid-template-columns: 1fr;
  }
}

/* ===========================================
   YOUTUBE CALLOUT
   =========================================== */

.yt-callout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.yt-callout-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.play-icon-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: oklch(0 0 0 / 0.3);
  transition: background var(--transition-interactive);
}

.yt-callout-visual:hover .play-icon-overlay {
  background: oklch(0 0 0 / 0.15);
}

.play-icon-overlay svg {
  width: 64px;
  height: 64px;
  color: white;
  filter: drop-shadow(0 2px 8px oklch(0 0 0 / 0.3));
}

@media (max-width: 768px) {
  .yt-callout {
    grid-template-columns: 1fr;
  }
}

/* ===========================================
   ABOUT PREVIEW
   =========================================== */

.about-preview {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-10);
  align-items: center;
}

.about-preview-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-preview-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

@media (max-width: 768px) {
  .about-preview {
    grid-template-columns: 1fr;
  }
}

/* ===========================================
   CATEGORY FILTER (Recipes page)
   =========================================== */

.category-filter {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.category-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.category-btn:hover, .category-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* ===========================================
   PAGE HERO (inner pages)
   =========================================== */

.page-hero {
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4);
  text-align: left;
  max-width: var(--content-wide);
  margin-inline: auto;
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.page-hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.7;
}

/* ===========================================
   ABOUT PAGE
   =========================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--space-16) + var(--space-4));
}

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

.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.value-item {
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.value-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.value-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-image {
    position: static;
  }
  .about-values {
    grid-template-columns: 1fr;
  }
}

/* ===========================================
   YOUTUBE PAGE
   =========================================== */

.yt-featured {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--color-surface-2);
  margin-bottom: var(--space-10);
}

.yt-featured iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.yt-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}

.yt-video-card {
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-interactive);
}

.yt-video-card:hover {
  transform: translateY(-2px);
}

.yt-video-thumb {
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-3);
  position: relative;
  background: var(--color-surface-2);
}

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

.yt-video-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.yt-video-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ===========================================
   NEWSLETTER
   =========================================== */

.newsletter {
  text-align: center;
  max-width: 500px;
  margin-inline: auto;
}

.newsletter h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.newsletter p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  margin-inline: auto;
}

.newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive);
}

.newsletter-form input:focus {
  border-color: var(--color-primary);
  outline: none;
}

@media (max-width: 480px) {
  .newsletter-form {
    flex-direction: column;
  }
}

/* ===========================================
   FOOTER
   =========================================== */

.site-footer {
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.08);
  padding: var(--space-10) var(--space-4) var(--space-6);
}

.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-8);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  max-width: 30ch;
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.footer-bottom {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.06);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-bottom a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-links a {
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}

.social-links a:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

/* ===========================================
   SCROLL ANIMATIONS
   =========================================== */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ===========================================
   UTILITY
   =========================================== */

.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }

/* Divider */
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-primary);
  border: none;
  margin: var(--space-4) 0;
}