/* ==========================================================================
   MURIELJOLY.COM — Custom Theme
   Palette: Platinum (warm grays + copper accent)
   Typography: Elegant serif + clean sans
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
  /* Palette Platinum - Warm neutral tones */
  --color-primary: #3d3d3d;
  --color-primary-light: #5a5a5a;
  --color-primary-dark: #262626;
  --color-secondary: #1a1a1a;
  --color-accent: #b87333;
  --color-accent-light: #d4956a;
  
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f5f4;
  --color-text: #262626;
  --color-text-muted: #737373;
  --color-text-light: #a3a3a3;
  --color-border: #e5e5e5;
  --color-border-light: #f0f0f0;
  
  /* Typography - Elegant Serif + Clean Sans */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Type Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-narrow: 720px;
  --header-height: 5rem;
  
  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-secondary);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-6);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

.section {
  padding: var(--space-20) 0;
}

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

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 100;
  transition: all var(--duration-normal) var(--ease-out);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
}

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

.header__nav {
  display: flex;
  gap: var(--space-8);
}

.header__nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2) 0;
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.header__nav a:hover::after {
  width: 100%;
}

.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  margin: 5px 0;
  transition: all var(--duration-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .header__menu-toggle {
    display: block;
  }
  
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    background: var(--color-surface);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all var(--duration-normal) var(--ease-out);
  }
  
  .header__nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .header__nav a {
    font-size: var(--text-lg);
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: calc(var(--header-height) * -1);
  padding-top: var(--header-height);
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 26, 26, 0.3) 0%,
    rgba(26, 26, 26, 0.5) 50%,
    rgba(26, 26, 26, 0.7) 100%
  );
}

.hero__content {
  position: relative;
  text-align: center;
  color: var(--color-surface);
  max-width: 800px;
  padding: var(--space-8);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent-light);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: var(--text-6xl);
  color: var(--color-surface);
  margin-bottom: var(--space-6);
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero__description {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.8;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.6);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent);
  animation: scroll-hint 2s ease-in-out infinite;
}

@keyframes scroll-hint {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

@media (max-width: 768px) {
  .hero__title {
    font-size: var(--text-4xl);
  }
  
  .hero__description {
    font-size: var(--text-base);
  }
}

/* --------------------------------------------------------------------------
   Section Intro
   -------------------------------------------------------------------------- */
.intro {
  text-align: center;
  padding: var(--space-24) 0;
}

.intro__overline {
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.intro__title {
  margin-bottom: var(--space-6);
}

.intro__text {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* --------------------------------------------------------------------------
   Articles Grid
   -------------------------------------------------------------------------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 992px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Article Card
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

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

.card__image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__category {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-surface);
  background: var(--color-accent);
  padding: var(--space-1) var(--space-3);
  border-radius: 2px;
}

.card__content {
  padding: var(--space-6);
}

.card__meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.card__title a {
  color: inherit;
}

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

.card__excerpt {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-top: var(--space-4);
}

.card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast);
}

.card__link:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Featured Article
   -------------------------------------------------------------------------- */
.featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: center;
  padding: var(--space-16) 0;
}

.featured__image {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
}

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

.featured__content {
  padding: var(--space-8) 0;
}

.featured__category {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.featured__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
}

.featured__excerpt {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .featured {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .featured__title {
    font-size: var(--text-3xl);
  }
}

/* --------------------------------------------------------------------------
   Button
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-4) var(--space-8);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Article Page
   -------------------------------------------------------------------------- */
.article-header {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-12);
  text-align: center;
}

.article-header__category {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.article-header__title {
  font-size: var(--text-5xl);
  max-width: 900px;
  margin: 0 auto var(--space-6);
}

.article-header__meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.article-header__meta span {
  margin: 0 var(--space-2);
}

.article-cover {
  max-width: 1000px;
  margin: 0 auto var(--space-12);
  aspect-ratio: 21 / 9;
  border-radius: 4px;
  overflow: hidden;
}

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

.article-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
}

.article-content h2 {
  font-size: var(--text-3xl);
  margin: var(--space-12) 0 var(--space-6);
}

.article-content h3 {
  font-size: var(--text-2xl);
  margin: var(--space-10) 0 var(--space-4);
}

.article-content p {
  margin-bottom: var(--space-6);
}

.article-content img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin: var(--space-8) 0;
}

.article-content ul,
.article-content ol {
  margin: 0 0 var(--space-6) var(--space-6);
}

.article-content li {
  margin-bottom: var(--space-2);
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .article-header__title {
    font-size: var(--text-3xl);
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-surface);
  margin-bottom: var(--space-4);
}

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

.footer__description {
  font-size: var(--text-sm);
  line-height: 1.8;
  max-width: 300px;
}

.footer__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-surface);
  margin-bottom: var(--space-6);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--duration-fast);
}

.footer__links a:hover {
  color: var(--color-accent-light);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--text-sm);
}

.footer__legal a {
  color: rgba(255,255,255,0.5);
  margin-left: var(--space-6);
}

.footer__legal a:hover {
  color: var(--color-accent-light);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  
  .footer__brand-col {
    grid-column: span 2;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Blog Archive
   -------------------------------------------------------------------------- */
.archive-header {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-12);
  text-align: center;
  background: var(--color-surface-alt);
}

.archive-header__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.archive-header__description {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.archive-content {
  padding: var(--space-16) 0;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
  background: var(--color-surface-alt);
  padding: var(--space-20) 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact__info h2 {
  margin-bottom: var(--space-6);
}

.contact__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.contact__details {
  list-style: none;
}

.contact__details li {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.contact__details svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.contact__form {
  background: var(--color-surface);
  padding: var(--space-10);
  border-radius: 4px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--duration-fast);
}

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

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

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

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.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;
}