/* 
   Satori — Premium Architects & Designers Portfolio Template
   Philosophy: Modern Swiss Grid, Editorial Typography, Quiet Details.
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Outfit:wght@300;400;500;600&display=swap');

:root {
  /* Common System Tokens */
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Outfit', sans-serif;
  
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-xxl: 12rem;
  
  --container-max-width: 1440px;
  --transition-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
  
  --border-radius-sm: 2px;
  --border-radius-md: 4px;

  /* Obsidian Dark Theme (Default) */
  --bg: #0A0A0A;
  --surface: #121212;
  --text-main: #F4F4F3;
  --text-muted: #8E8E8D;
  --border: #222222;
  --border-light: #1A1A1A;
  --accent: #D4AF37; /* Warm Champagne Gold */
  --accent-rgb: 212, 175, 55;
  --glow-opacity: 0.03;
}

[data-theme="light"] {
  /* Alabaster Light Theme (Paper) */
  --bg: #FAF9F5;
  --surface: #F2F1EC;
  --text-main: #181817;
  --text-muted: #70706F;
  --border: #E3DFD5;
  --border-light: #ECE9DF;
  --accent: #B8860B; /* Classic Dark Goldenrod */
  --accent-rgb: 184, 134, 11;
  --glow-opacity: 0.05;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
  overflow-x: hidden;
}

/* Background Ambient Glows */
.ambient-glow {
  position: absolute;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), var(--glow-opacity)) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}
.glow-1 { top: -10%; left: -10%; }
.glow-2 { top: 60%; right: -10%; }

/* Typography Grid Layouts */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

p {
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--text-muted);
}

.italic {
  font-family: var(--font-serif);
  font-style: italic;
}

/* Structural Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: clamp(1rem, 5vw, 4rem);
  padding-right: clamp(1rem, 5vw, 4rem);
  position: relative;
  z-index: 1;
}

/* Header & Navigation */
header {
  width: 100%;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background-color: rgba(var(--bg), 0.85);
  backdrop-filter: blur(12px);
  z-index: 100;
  transition: background-color 0.6s ease, border-color 0.6s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--text-main);
  text-transform: uppercase;
}

.logo span {
  font-style: italic;
  font-weight: 300;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: var(--transition-fast);
}

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

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

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 8px 12px;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-main);
}

.theme-slash {
  color: var(--border);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  margin-top: -1px;
}

.theme-label {
  transition: var(--transition-fast);
}

[data-theme="dark"] .dark-label {
  color: var(--accent);
  font-weight: 500;
}
[data-theme="dark"] .light-label {
  color: var(--text-muted);
}

[data-theme="light"] .light-label {
  color: var(--accent);
  font-weight: 500;
}
[data-theme="light"] .dark-label {
  color: var(--text-muted);
}

/* Grid Layouts - 12 Columns */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

/* Typography components */
.section-tag {
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
  display: inline-block;
}

.section-title-large {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  margin-bottom: var(--space-md);
  max-width: 800px;
}

.text-meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  width: 100%;
  margin: 0;
}

/* Button & Link Styles */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--border-radius-sm);
}

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

/* Hero Section */
.hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 50vh;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.5;
  color: var(--text-muted);
  max-width: 650px;
  margin-bottom: var(--space-md);
}

.hero-meta-grid {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.hero-meta-item h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xxs);
}

.hero-meta-item p {
  font-size: 0.9rem;
}

/* Marquee / Ticker */
.marquee-ticker {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-sm) 0;
  background-color: var(--surface);
  position: relative;
  z-index: 2;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.marquee-track {
  display: inline-block;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 300;
  padding-right: 2rem;
}

@keyframes marquee {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

/* Image Portfolio Grid */
.portfolio-section {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.filter-bar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-sm);
}

.filter-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  padding: 6px 12px;
  transition: var(--transition-fast);
  position: relative;
}

.filter-btn:hover, .filter-btn.active {
  color: var(--text-main);
}

.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: -11px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.project-card {
  grid-column: span 6;
  position: relative;
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: opacity 0.4s ease;
}

.project-card.hidden {
  opacity: 0;
  pointer-events: none;
  display: none;
}

.project-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--border);
  background-color: var(--surface);
}

.project-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-card:hover .project-image-wrapper img {
  transform: scale(1.05);
  filter: grayscale(30%);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: var(--space-sm);
  padding: 0 var(--space-xxs);
}

.project-title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 300;
}

.project-category {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* Asymmetric / Alternating Grid Columns */
.project-card.wide {
  grid-column: span 8;
}

.project-card.tall {
  grid-column: span 4;
}

.project-card.tall .project-image-wrapper {
  aspect-ratio: 3 / 4;
}

/* Case Study detail page styling */
.project-detail-hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
}

.project-info-grid {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) 0;
  margin: var(--space-lg) 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.info-item h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xxs);
  color: var(--text-muted);
}

.info-item p {
  color: var(--text-main);
  font-size: 1rem;
}

.project-description-block {
  margin-bottom: var(--space-lg);
}

.description-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 2.2rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: var(--space-md);
}

.description-body {
  font-size: 1rem;
  column-count: 2;
  column-gap: var(--space-lg);
  color: var(--text-muted);
}

.project-gallery-masonry {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.gallery-img-full {
  grid-column: span 12;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  overflow: hidden;
}

.gallery-img-half {
  grid-column: span 6;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border);
  overflow: hidden;
}

.gallery-img-full img, .gallery-img-half img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-img-full:hover img, .gallery-img-half:hover img {
  transform: scale(1.02);
}

/* Slide gallery slider styling */
.project-slider-section {
  padding-bottom: var(--space-xl);
  overflow: hidden;
  position: relative;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.slider-controls {
  display: flex;
  gap: var(--space-xs);
}

.slider-arrow {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  border-radius: var(--border-radius-sm);
}

.slider-arrow:hover {
  background-color: var(--text-main);
  color: var(--bg);
  border-color: var(--text-main);
}

.slider-arrow svg {
  width: 20px;
  height: 20px;
}

.slider-viewport {
  width: 100%;
  overflow: hidden;
}

.slider-container {
  display: flex;
  gap: var(--space-md);
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.slider-slide {
  flex: 0 0 40%;
  aspect-ratio: 4/5;
  border: 1px solid var(--border);
  overflow: hidden;
}

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

/* About / Studio styling */
.about-hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.intro-left {
  grid-column: span 6;
}

.intro-right {
  grid-column: span 6;
  padding-top: var(--space-sm);
}

.intro-right p {
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
}

.intro-image {
  width: 100%;
  aspect-ratio: 16/9;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

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

/* Stats / Counters block */
.stats-section {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-xl);
  transition: background-color 0.6s ease;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-box {
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  line-height: 1;
  color: var(--text-main);
  margin-bottom: var(--space-xs);
}

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

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--text-muted);
}

/* Awards Section */
.awards-section {
  padding-bottom: var(--space-xl);
}

.awards-list {
  border-top: 1px solid var(--border);
  margin-top: var(--space-md);
}

.award-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-xs);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s ease;
}

.award-item:hover {
  background-color: var(--surface);
}

.award-title-year {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.award-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 300;
}

.award-year {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--accent);
}

.award-project {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Contact Styling */
.contact-section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.contact-layout {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

.contact-info {
  grid-column: span 5;
}

.contact-form-wrapper {
  grid-column: span 7;
}

.contact-info-block {
  margin-bottom: var(--space-md);
}

.contact-info-block h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
  color: var(--text-muted);
}

.contact-info-block p, .contact-info-block a {
  font-size: 1.1rem;
  color: var(--text-main);
  text-decoration: none;
}

.contact-info-block a:hover {
  color: var(--accent);
}

/* Forms */
.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  position: relative;
}

.form-group label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xxs);
  color: var(--text-muted);
  font-weight: 400;
}

.form-control {
  background-color: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  padding: 12px 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: 0;
  transition: border-color 0.3s ease;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--text-main);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.error-message {
  font-size: 0.7rem;
  color: #ff4d4d;
  margin-top: 4px;
  display: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group.invalid .form-control {
  border-color: #ff4d4d;
}

.form-group.invalid .error-message {
  display: block;
}

/* Niche Selection Chips */
.niche-chips {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-top: var(--space-xxs);
  margin-bottom: var(--space-xs);
}

.niche-chip {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: 20px;
  transition: var(--transition-fast);
}

.niche-chip:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

.niche-chip.active {
  border-color: var(--accent);
  color: var(--bg);
  background-color: var(--accent);
}

.form-success-container {
  display: none;
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: var(--space-lg);
  text-align: center;
  border-radius: var(--border-radius-sm);
  animation: fadeIn 0.5s ease;
}

.form-success-container h3 {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.form-success-container p {
  color: var(--text-muted);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 404 Error page design */
.error-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  padding: var(--space-xl) 0;
}

.error-container h1 {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 300;
  line-height: 1;
  color: var(--accent);
}

.error-container h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.error-container p {
  max-width: 450px;
  margin: 0 auto var(--space-md) auto;
}

/* Footer Section */
footer {
  border-top: 1px solid var(--border);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
  background-color: var(--bg);
  transition: background-color 0.6s ease, border-color 0.6s ease;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.20em;
  margin-bottom: var(--space-sm);
  color: var(--text-muted);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xxs);
}

.footer-col a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-light);
  padding-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Responsive Breaks */
@media (max-width: 1024px) {
  .intro-left, .intro-right {
    grid-column: span 12;
  }
  .description-body {
    column-count: 1;
  }
  .slider-slide {
    flex: 0 0 60%;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .nav-container {
    height: 70px;
  }
  nav {
    display: none; /* Hide default nav, in real app can toggle overlay */
  }
  .project-card, .project-card.wide, .project-card.tall {
    grid-column: span 12;
  }
  .project-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-img-half {
    grid-column: span 12;
  }
  .slider-slide {
    flex: 0 0 85%;
  }
  .contact-info, .contact-form-wrapper {
    grid-column: span 12;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-top {
    flex-direction: column;
    gap: var(--space-md);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-xs);
    align-items: flex-start;
  }
}