/* ==========================================================================
   Custom Portfolio - Styles
   ========================================================================== */

/* Font Face Declarations
   ========================================================================== */

/* Regular weight */
@font-face {
  font-family: 'GT-Walsheim';
  src: url('../fonts/GT-Walsheim-Regular.woff') format('woff'),
       url('../fonts/GT-Walsheim-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Medium weight */
@font-face {
  font-family: 'GT-Walsheim';
  src: url('../fonts/GT-Walsheim-Medium.woff') format('woff'),
       url('../fonts/GT-Walsheim-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* Bold weight */
@font-face {
  font-family: 'GT-Walsheim';
  src: url('../fonts/GT-Walsheim-Bold.woff') format('woff'),
       url('../fonts/GT-Walsheim-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* CSS Custom Properties
   ========================================================================== */
:root {
  /* Colors */
  --color-background: #F2EFED;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-accent: #2c2c2c;
  --color-white: #ffffff;
  --color-overview-bg: #ffffff;
  --color-border: #e0ddd9;
  --color-link: #1a1a1a;
  --color-link-hover: #666666;

  /* Typography */
  --font-primary: 'GT-Walsheim', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 48px;
  --font-size-4xl: 64px;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
  --spacing-4xl: 128px;

  /* Layout */
  --max-width-full: 1200px;
  --max-width-content: 800px;
  --max-width-narrow: 600px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: var(--line-height-normal);
}

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

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

a:hover {
  color: var(--color-link-hover);
}

/* Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 400;
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

p:last-child {
  margin-bottom: 0;
}

.text-large {
  font-size: var(--font-size-large);
  line-height: var(--line-height-relaxed);
}

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

/* Header
   ========================================================================== */
.header {
  padding: var(--spacing-lg) 0;
  background-color: var(--color-background);
}

.header-container {
  max-width: var(--max-width-full);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-text-primary);
}

.nav-link {
  font-size: var(--font-size-base);
  font-weight: 400;
}

/* Container & Layout
   ========================================================================== */
.container {
  max-width: var(--max-width-full);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-lg {
  padding: var(--spacing-4xl) 0;
}

/* Hero Section
   ========================================================================== */
.hero {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl) 0;
}

.hero .container {
  padding-left: var(--spacing-md);
  max-width: 900px;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
  max-width: 680px;
}

.hero-intro {
  font-weight: 500;
  font-size: 1.2em;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-bottom: var(--spacing-xl);
}

.cv-link {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: opacity var(--transition-fast);
}

.cv-link:hover {
  opacity: 0.85;
  color: var(--color-white);
}

/* Case Studies Grid
   ========================================================================== */
.case-studies {
  padding: var(--spacing-xl) 0 var(--spacing-3xl) 0;
}

.case-studies .container {
  max-width: 900px;
}

.portfolio-nav {
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-base);
}

.section-title {
  margin-bottom: var(--spacing-2xl);
}

.case-study-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4xl);
}

.case-study-item {
  display: grid;
  grid-template-columns: 374px 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.case-study-image {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 374px;
}

.case-study-image img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-normal);
}

.case-study-item:hover .case-study-image img {
  transform: scale(1.02);
}

.case-study-content h3 {
  margin-bottom: var(--spacing-sm);
}

.case-study-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.case-study-link {
  display: inline-block;
  font-weight: 500;
  position: relative;
}

.case-study-link::after {
  content: '→';
  margin-left: var(--spacing-xs);
  transition: margin-left var(--transition-fast);
}

.case-study-link:hover::after {
  margin-left: var(--spacing-sm);
}

/* About Section
   ========================================================================== */
.about {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.about .container {
  max-width: 900px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.about-photo {
  width: 100%;
  border-radius: var(--radius-md);
}

.about-text h2 {
  margin-bottom: var(--spacing-lg);
}

/* Footer
   ========================================================================== */
.footer {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex: 1;
}

.next-case-link {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.next-case-link:hover {
  opacity: 0.7;
}

.next-label {
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.next-title {
  font-size: var(--font-size-large);
  color: var(--color-text-primary);
  font-weight: 500;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  transition: opacity var(--transition-fast);
}

.social-link:hover {
  opacity: 0.85;
  color: var(--color-white);
}

/* Case Study Page Specific
   ========================================================================== */
.case-study-header {
  padding: var(--spacing-3xl) var(--spacing-md) var(--spacing-xl);
  max-width: var(--max-width-full);
  margin: 0 auto;
}

.case-study-title {
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.case-study-meta {
  display: block;
  color: var(--color-text-primary);
  font-size: 24px;
  font-weight: 400;
}

.meta-divider {
  margin: 0 var(--spacing-sm);
}

.meta-item {
  display: inline;
}

.meta-item::after {
  content: ' | ';
  margin: 0 var(--spacing-xs);
}

.meta-item:last-child::after {
  content: '';
  margin: 0;
}

.meta-label {
  display: none;
}

/* Overview Boxes - Full Width
   ========================================================================== */
.overview-section {
  background-color: var(--color-overview-bg);
  padding: var(--spacing-2xl) 0;
  margin: var(--spacing-2xl) 0 var(--spacing-3xl);
  /* Full width - breaks out of container */
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.overview-boxes {
  max-width: var(--max-width-full);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.overview-box {
  background-color: transparent;
  padding: 0;
}

.overview-box h3 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.overview-box p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

/* Case Study Content Sections
   ========================================================================== */
.case-study-content {
  /* Remove max-width and padding from container to allow full-width sections */
}

.content-section {
  /* Full width with alternating backgrounds */
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 72px 0;
}

.content-section:first-child {
  padding-top: 0;
}

/* First section - beige background (matches body) */
.content-section:nth-child(odd) {
  background-color: var(--color-background);
}

/* Second section - white background */
.content-section:nth-child(even) {
  background-color: var(--color-white);
}

/* Override for specific sections */
.content-section.white-bg {
  background-color: var(--color-white) !important;
}

.content-section.beige-bg {
  background-color: var(--color-background) !important;
}

/* Content inside sections constrained to readable width */
.content-section > * {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.content-section h2 {
  margin-bottom: var(--spacing-lg);
}

.content-section h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.content-section h3:first-child {
  margin-top: 0;
  margin-bottom: var(--spacing-lg);
}

.content-section ul {
  list-style: disc;
  padding-left: var(--spacing-lg);
  margin: 0 0 var(--spacing-lg) 0;
}

/* Impact section alignment */
.impact-section h3 {
  margin-top: 0;
  padding-left: var(--spacing-md);
}

.impact-list {
  padding-left: calc(var(--spacing-md) + 1.5em) !important;
  margin-left: 0 !important;
  list-style-position: outside;
}

.impact-list li {
  padding-left: 0.5em;
}

/* Impact section video positioning */
.two-column-section .column-image .content-image-side {
  margin-top: var(--spacing-md);
}

/* Discovery section - smaller lovable_prompt image */
.content-section.two-column-section.beige-bg .column-image figure {
  max-width: 400px;
}

/* Before and after section - ensure images are same size */
.before-after-container {
  grid-template-columns: 1fr 1fr !important;
  max-width: 900px;
  margin: 0 auto;
  gap: var(--spacing-xl);
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.content-section.two-column-section.beige-bg > h3 {
  width: calc(900px + 2 * var(--spacing-md));
  max-width: calc(900px + 2 * var(--spacing-md));
  margin: 0 auto var(--spacing-md) auto;
  padding-left: var(--spacing-md) !important;
  padding-right: var(--spacing-md) !important;
  text-align: left;
  box-sizing: border-box;
}

.before-after-container .column-image {
  display: flex;
  align-items: flex-start;
}

.before-after-container .column-image:first-child {
  justify-content: flex-start;
}

.before-after-container .column-image:last-child {
  justify-content: flex-end;
}

.before-after-container .column-image figure {
  width: 100%;
  max-width: 400px;
}

.before-after-container .column-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.content-section li {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

/* Center single-column sections with lists */
.centered-list-section > * {
  max-width: 800px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Two Column Layout
   ========================================================================== */
.two-column-section {
  background-color: var(--color-white) !important;
}

.two-column-section.beige-bg {
  background-color: var(--color-background) !important;
}

.two-column-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-3xl);
  max-width: var(--max-width-full);
  margin: 0 auto !important;
  padding-left: var(--spacing-md) !important;
  padding-right: var(--spacing-md) !important;
}

.column-text h3 {
  margin-bottom: var(--spacing-md);
}

.column-text h3:not(:first-child) {
  margin-top: var(--spacing-2xl);
}

.column-text ul {
  list-style: disc;
  padding-left: var(--spacing-lg);
  margin: 0 0 var(--spacing-lg) 0;
}

.column-text li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

.column-text p {
  margin-bottom: var(--spacing-md);
}

.column-image {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-2xl);
}

.content-image-side {
  margin: 0;
  width: 100%;
}

.content-image-side img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

/* Clickable Image with Overlay */
.clickable-image {
  position: relative;
}

.clickable-image a {
  position: relative;
  display: block;
  text-decoration: none;
}

/* Full-width clickable image (overrides content-image constraints) */
.content-image.clickable-image {
  max-width: 100%;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  margin-top: 0;
}

.content-image.clickable-image img {
  border-radius: var(--radius-md);
}

/* Remove overlay for full-width images */
.content-image.clickable-image .image-overlay {
  display: none;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background-color 0.3s ease;
  pointer-events: none;
}

.clickable-image a:hover .image-overlay {
  background-color: rgba(0, 0, 0, 0.5);
}

.overlay-text {
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.clickable-image a:hover .overlay-text {
  opacity: 1;
}

/* Image Layouts
   ========================================================================== */
.content-image {
  margin: var(--spacing-xl) auto 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  max-width: var(--max-width-content);
}

.content-section h3:first-child + .content-image {
  margin-top: 0;
}

.content-image img {
  width: 100%;
  display: block;
  margin: 0;
}

.image-caption {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-align: center;
  font-style: italic;
}

/* Full-width final design section */
.final-design-section > * {
  max-width: var(--max-width-full) !important;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md) !important;
  padding-right: var(--spacing-md) !important;
}

/* Narrower paragraphs in final-design-section for readability */
.final-design-section > p {
  max-width: var(--max-width-content) !important;
  margin-left: var(--spacing-md) !important;
  margin-right: auto;
}

/* Full-width final design image with 24px margins */
.content-image.full-width-design {
  max-width: 100% !important;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  margin-top: 0;
}

.content-image.full-width-design img {
  border-radius: var(--radius-md);
}

/* Before and after section - left-aligned title with centered smaller image */
.before-after-section .content-image {
  max-width: 800px !important;
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.before-after-section .content-image img {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
}

/* Concept titles - left-aligned */
.concept-title {
  max-width: var(--max-width-full) !important;
  padding-left: var(--spacing-md) !important;
  padding-right: var(--spacing-md) !important;
  margin-left: 0 !important;
  text-align: left;
}

/* Where we started image - pulled in by 48px (narrower than other sections) */
.content-image.where-we-started {
  padding-left: var(--spacing-3xl) !important;
  padding-right: var(--spacing-3xl) !important;
}

/* Full-width images that break out of content width to edge of section */
.content-image-full {
  margin: var(--spacing-2xl) 0;
  /* Break out of the content constraint */
  max-width: var(--max-width-full) !important;
  width: calc(100% + var(--spacing-md) * 2);
  margin-left: calc(-1 * var(--spacing-md));
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.content-image-full img {
  width: 100%;
  display: block;
}

/* Side-by-side image comparison */
.image-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
  /* Reset the centering from parent */
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

.image-comparison .content-image {
  margin: 0;
}

/* Side-by-side video comparison */
.video-comparison {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin: 0 auto;
  max-width: 800px;
  padding-left: 0;
  padding-right: 0;
}

.video-comparison .content-video {
  margin: 0;
  width: 100%;
  max-width: 350px;
}

.video-comparison .content-video video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --font-size-3xl: 40px;
    --font-size-4xl: 52px;
    --spacing-3xl: 80px;
    --spacing-4xl: 96px;
  }

  .case-study-item {
    gap: var(--spacing-xl);
  }

  .about-content {
    grid-template-columns: 1fr 1.5fr;
  }

  .two-column-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .column-image {
    order: 2;
  }

  .column-text {
    order: 1;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --font-size-xl: 20px;
    --font-size-2xl: 28px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;
  }

  .header-container {
    padding: 0 var(--spacing-sm);
  }

  .container,
  .container-narrow {
    padding: 0 var(--spacing-sm);
  }

  .hero .container {
    padding-left: var(--spacing-md);
  }

  .case-study-header {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .case-study-item {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .overview-boxes {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
  }

  .content-section {
    padding: var(--spacing-2xl) 0;
  }

  .content-section > * {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .content-image-full {
    width: calc(100% + var(--spacing-sm) * 2);
    margin-left: calc(-1 * var(--spacing-sm));
  }

  .image-comparison {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .video-comparison {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .case-study-meta {
    font-size: var(--font-size-base);
  }

  .two-column-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer .container {
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: flex-start;
  }

  .footer-content {
    gap: var(--spacing-md);
  }

  .next-case-link {
    align-items: flex-start;
  }

  /* Impact section mobile adjustments */
  .impact-section h3 {
    padding-left: var(--spacing-sm);
  }

  .impact-list {
    padding-left: calc(var(--spacing-sm) + 1.5em) !important;
  }

  /* Impact section video - remove extra top margin on mobile */
  .two-column-section .column-image .content-image-side {
    margin-top: 0;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  :root {
    --spacing-md: 16px;
    --spacing-lg: 20px;
    --spacing-xl: 24px;
  }

  .hero {
    padding: var(--spacing-2xl) 0;
  }

  .section,
  .case-studies {
    padding: var(--spacing-2xl) 0;
  }
}

/* Print Styles
   ========================================================================== */
@media print {
  .header,
  .footer,
  .cv-link,
  .case-study-link {
    display: none;
  }

  body {
    background-color: white;
  }

  a {
    text-decoration: underline;
  }
}

/* Video Section
   ========================================================================== */
.video-section {
  padding: 0 0 var(--spacing-2xl);
  background-color: var(--color-bg);
}

.video-container {
  max-width: var(--max-width-full);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.video-title {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
  font-weight: 500;
  max-width: 800px;
}

.content-video {
  margin: 0;
  width: 100%;
}

.content-video video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* 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-width: 0;
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}