/* ==========================================================================
   isho.life — Minimalist Collective Design System
   Architecture: Lightweight, performant, mobile-first, high-aesthetic
   Target: OVHcloud Hosting (Ultra-fast static delivery)
   ========================================================================== */

:root {
  /* Color Palette — The Minimalist Collective */
  --bg-primary: #fcfbfa;
  --bg-surface: #ffffff;
  --bg-subtle: #f5f3ef;
  --bg-accent: #edebe6;

  --text-main: #141413;
  --text-muted: #5e5c58;
  --text-subtle: #8a8781;
  --border-light: #e7e5e0;
  --border-dark: #141413;

  /* Accent Tones */
  --accent-mag: #2c3a42;
  --accent-lens: #1c1c1b;
  --accent-food: #404c3e;
  --accent-warm: #b87a4d;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3.5rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  /* Max widths */
  --container-max: 1240px;
  --reading-max: 740px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-main);
  background-color: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

/* Typography Scale */
h1, h2, h3, h4, .serif {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--text-main);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.85rem); }
h4 { font-size: 1.15rem; font-family: var(--font-sans); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }

p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.lead {
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  line-height: 1.6;
  color: var(--text-main);
  font-weight: 300;
}

/* Layout */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
}

.reading-container {
  width: 90%;
  max-width: var(--reading-max);
  margin-left: auto;
  margin-right: auto;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(252, 251, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--border-light);
  padding: 1.25rem 0;
  transition: padding var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-main);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.site-logo span {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--text-main);
  transition: width var(--transition-fast);
}

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

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

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hero Section */
.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--border-light);
}

.hero-tagline {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-subtle);
  margin-bottom: var(--space-sm);
  display: block;
  font-weight: 600;
}

.hero-title {
  max-width: 900px;
  margin-bottom: var(--space-md);
}

.hero-description {
  max-width: 680px;
  margin-bottom: var(--space-md);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--text-main);
  color: #ffffff;
  border: 1px solid var(--text-main);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--text-main);
}

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

.btn-outline:hover {
  background-color: var(--text-main);
  color: #ffffff;
}

.btn-link {
  padding: 0;
  background: none;
  border: none;
  font-size: 0.95rem;
  text-transform: none;
  font-weight: 500;
  color: var(--text-main);
  border-bottom: 1px solid var(--text-main);
  border-radius: 0;
}

.btn-link:hover {
  opacity: 0.7;
}

/* Pillars Section — 3 Pillars Grid */
.pillars-section {
  padding: var(--space-xl) 0;
}

.section-header {
  margin-bottom: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.5rem;
}

.section-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-smooth), border-color var(--transition-fast), box-shadow var(--transition-smooth);
  position: relative;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-dark);
  box-shadow: 0 12px 30px rgba(0,0,0,0.04);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-subtle);
  margin-bottom: 1.5rem;
  display: block;
}

.pillar-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.pillar-desc {
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: var(--text-muted);
}

.pillar-meta {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Feature Showcase */
.showcase {
  padding: var(--space-lg) 0 var(--space-xl);
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.visual-frame {
  position: relative;
  overflow: hidden;
  background-color: #e5e2db;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.visual-frame:hover img {
  transform: scale(1.03);
}

.visual-caption {
  font-size: 0.82rem;
  color: var(--text-subtle);
  margin-top: 0.75rem;
  letter-spacing: 0.03em;
}

/* Editorial & Article Styling */
.article-header {
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.article-category {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-subtle);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

.article-title {
  max-width: 820px;
  margin: 0 auto 1.5rem;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-subtle);
}

.article-body {
  padding: var(--space-lg) 0 var(--space-xl);
  font-size: 1.15rem;
  line-height: 1.85;
}

.article-body p {
  font-size: 1.15rem;
  color: #2b2a28;
  margin-bottom: 1.85rem;
}

/* Drop Cap */
.dropcap::first-letter {
  font-family: var(--font-serif);
  font-size: 4.8rem;
  float: left;
  line-height: 0.8;
  margin: 0.15rem 0.65rem 0 0;
  color: var(--text-main);
  font-weight: 600;
}

/* Pull Quotes */
.pullquote {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--text-main);
  border-left: 2px solid var(--text-main);
  padding: 1.25rem 0 1.25rem 2rem;
  margin: 3rem 0;
}

/* Masonry / Photo Gallery for Lens */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: var(--space-md);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  background-color: #eeebe6;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter var(--transition-fast);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0) 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #ffffff;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: #ffffff;
}

.gallery-item-location {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.lightbox-caption {
  color: #ffffff;
  margin-top: 1rem;
  font-size: 0.95rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* Food Recipe Card */
.recipe-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 3rem;
  margin: var(--space-lg) 0;
  border-radius: 2px;
}

.recipe-header {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.recipe-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.recipe-meta-item {
  border-left: 2px solid var(--border-light);
  padding-left: 1rem;
}

.recipe-meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
  display: block;
  margin-bottom: 0.25rem;
}

.recipe-meta-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.recipe-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1rem 1.5rem;
  background-color: var(--bg-subtle);
  border-radius: 2px;
}

.portion-selector {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.portion-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 0.35rem 0.85rem;
  font-size: 0.88rem;
  cursor: pointer;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.portion-btn.active, .portion-btn:hover {
  background: var(--text-main);
  color: #ffffff;
  border-color: var(--text-main);
}

.recipe-columns {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
}

.ingredient-list {
  list-style: none;
}

.ingredient-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  font-size: 0.98rem;
  color: var(--text-main);
}

.step-list {
  list-style: none;
  counter-reset: recipe-step;
}

.step-list li {
  counter-increment: recipe-step;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.75rem;
  font-size: 1.02rem;
  color: var(--text-muted);
}

.step-list li::before {
  content: counter(recipe-step);
  position: absolute;
  left: 0;
  top: -2px;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-main);
}

/* Newsletter / Dispatch */
.dispatch-section {
  padding: var(--space-xl) 0;
  background-color: #141413;
  color: #ffffff;
  text-align: center;
}

.dispatch-section h2 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.dispatch-section p {
  color: #a8a6a1;
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

.dispatch-form {
  display: flex;
  max-width: 460px;
  margin: 0 auto;
  gap: 0.5rem;
}

.dispatch-input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border: 1px solid #333230;
  background: #1f1e1c;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: 2px;
}

.dispatch-input:focus {
  outline: none;
  border-color: #ffffff;
}

.dispatch-submit {
  padding: 0.85rem 1.75rem;
  background-color: #ffffff;
  color: #141413;
  border: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.dispatch-submit:hover {
  opacity: 0.9;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: var(--space-lg) 0 var(--space-md);
}

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

.footer-brand p {
  max-width: 320px;
  margin-top: 0.75rem;
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-col h5 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

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

.footer-col li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-subtle);
}

/* Responsive */
@media (max-width: 900px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .recipe-columns {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .recipe-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 680px) {
  .nav-links {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: flex;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .dispatch-form {
    flex-direction: column;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* Print Stylesheet (for recipes & articles) */
@media print {
  .site-header, .site-footer, .dispatch-section, .btn, .recipe-controls {
    display: none !important;
  }
  body, .recipe-card {
    background: #ffffff !important;
    color: #000000 !important;
    border: none !important;
    padding: 0 !important;
  }
}