/* ========================================
   CSS VARIABLES & GLOBAL STYLES
   ======================================== */

:root {
  /* Colors */
  --color-primary: #000000;
  --color-secondary: #ffffff;
  --color-accent: #f7e1ff;
  --color-accent-hover: #e8c9ff;
  --color-text: #000000;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f7;
  --color-border: #e0e0e0;

  /* Typography */
  --font-family: "Satoshi", sans-serif;
  --font-size-base: 16px;
  --font-size-small: 0.9rem;
  --font-size-large: 1.125rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Z-index */
  --z-nav: 1000;
  --z-modal: 1100;
  /* Purple vibe */
  --color-purple: #5b2a86;
  --color-purple-hover: #6e3aa7;
}

/* Allow explicit theme switching via data-theme attribute */
:root[data-theme="dark"] {
  --color-primary: #ffffff;
  --color-secondary: #1a1a1a;
  --color-accent: #3d2e47;
  --color-accent-hover: #4a3a55;
  --color-text: #ffffff;
  --color-text-light: #cccccc;
  --color-bg: #1a1a1a;
  --color-bg-alt: #2a2a2a;
  --color-border: #3a3a3a;
}

:root[data-theme="light"] {
  /* keep defaults in :root; explicit light theme ensures predictability */
  --color-primary: #000000;
  --color-secondary: #ffffff;
  --color-accent: #f7e1ff;
  --color-accent-hover: #e8c9ff;
  --color-text: #000000;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f7;
  --color-border: #e0e0e0;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #ffffff;
    --color-secondary: #1a1a1a;
    --color-accent: #3d2e47;
    --color-accent-hover: #4a3a55;
    --color-text: #ffffff;
    --color-text-light: #cccccc;
    --color-bg: #1a1a1a;
    --color-bg-alt: #2a2a2a;
    --color-border: #3a3a3a;
  }
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  background: transparent !important;
  overflow-x: hidden;
  height: 100%;
}

html,
body {
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-normal),
    color var(--transition-normal);
  overflow-x: hidden;
  min-height: 100%;
}

/* Ensure nothing appears above header */
html::before,
body::before,
html::after,
body::after {
  display: none !important;
  content: none !important;
}

body.dark-mode {
  color-scheme: dark;
}

/* Skip to content link for accessibility */
.skip-to-content {
  position: absolute;
  top: -9999px;
  left: -9999px;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: var(--spacing-md);
  text-decoration: none;
  z-index: calc(var(--z-nav) + 1);
  border-radius: 0 0 var(--radius-sm) 0;
  opacity: 0;
  visibility: hidden;
}

.skip-to-content:focus {
  top: 0;
  left: 0;
  opacity: 1;
  visibility: visible;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

/* ========================================
  KEYFRAME ANIMATIONS
  ======================================== */

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  50% {
    transform: translateX(4px);
  }
  75% {
    transform: translateX(-4px);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes reveal {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
  HEADER & NAVIGATION
  ======================================== */

header {
  position: fixed;
  top: 0 !important;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  background: transparent !important; /* allow nav background to show through */
  z-index: var(--z-nav);
  box-shadow: none !important;
  transition: box-shadow var(--transition-normal),
    background-color var(--transition-normal);
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
  height: auto;
}

header::before,
header::after {
  display: none !important;
  content: none !important;
}

/* Hide any scroll indicator elements */
#scroll-indicator,
.scroll-indicator,
[id*="scroll"],
[class*="scroll-indicator"] {
  display: none !important;
}

header:hover {
  box-shadow: none;
}

nav {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  gap: var(--spacing-lg);
  background-color: transparent;
  border: none;
}

nav ul {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background-color: transparent;
  transition: all var(--transition-fast);
  position: relative;
  border: 2px solid transparent;
  min-height: 44px; /* larger hit area */
  display: inline-flex;
  align-items: center;
}

nav a:hover {
  transform: translateY(-2px);
  background-color: var(--color-accent-hover);
  color: var(--color-text);
}

nav a:focus {
  outline: 3px solid var(--color-purple);
  outline-offset: 3px;
  background-color: var(--color-accent);
  color: var(--color-text);
}

nav a.active {
  background-color: var(--color-accent);
  font-weight: 700;
}

/* Theme toggle button */
.theme-toggle {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.2rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-left: auto; /* push to right */
}

.theme-toggle:hover {
  background-color: var(--color-accent-hover);
  transform: rotate(20deg);
}

.theme-toggle:focus {
  outline: 2px solid var(--color-purple);
  outline-offset: 2px;
}

/* ========================================
   CASE PAGE STYLES
   ======================================== */

.case-container,
.case {
  max-width: 900px;
  margin: 120px auto 40px;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.case-container h1,
.case h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.2;
}

.case-container h2,
.case h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--spacing-sm);
}

.case-container h3,
.case h3 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.case-container p,
.case p {
  font-size: var(--font-size-large);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.case-container strong,
.case strong {
  color: var(--color-text);
  font-weight: 700;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--color-accent);
  border-radius: var(--radius-md);
}

.case-meta p {
  margin: 0;
  font-size: var(--font-size-base);
}

.case-image,
.case figure {
  margin: var(--spacing-2xl) 0;
}

.case-image img,
.case img,
.case figure img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-normal);
  display: block;
}

.case-image img:hover,
.case img:hover,
.case figure img:hover {
  transform: scale(1.02);
}

.case iframe,
.case video {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  border: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  display: block;
  margin: var(--spacing-lg) 0;
}

.case video {
  background: var(--color-bg-alt);
}

.case-container .nav-buttons,
.case .nav-buttons {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-border);
  display: flex;
  justify-content: center;
}

/* Featured image in header */
.featured-image {
  width: 100%;
  background-size: cover;
  background-position: center;
  margin-top: 60px;
  position: relative;
  z-index: 1;
}

/* Project intro section */
.project-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
  align-items: center;
}

.project-intro img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.project-description h1 {
  margin-bottom: var(--spacing-md);
}

/* Project details grid */
.project-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.detail-card {
  background: var(--color-accent);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal);
}

.detail-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.detail-card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  border: none;
  padding: 0;
}

.detail-card p {
  margin: 0;
}

/* Gallery grid */
.project-gallery {
  margin: var(--spacing-2xl) 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.gallery-grid img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.project-content {
  margin: var(--spacing-2xl) 0;
}

/* Footer contact section on case pages */
footer .contact-container {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

footer .contact-container h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-lg);
  border: none;
  padding: 0;
}

/* Responsive for case pages */
@media (max-width: 768px) {
  .case-container,
  .case {
    margin-top: 100px;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .case-meta,
  .project-details {
    grid-template-columns: 1fr;
  }

  .project-intro {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   HERO / HOME SECTION
   ======================================== */

#home {
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px var(--spacing-lg) var(--spacing-lg);
}

.hero-container {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  animation: fadeIn var(--transition-slow) ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-container h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 900;
  margin: 0;
  line-height: 1.2;
}

.hero-container h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.5;
  text-align: left;
  margin: 0;
}

.hero-container img {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 4px solid var(--color-accent);
  transition: transform var(--transition-normal);
}

.hero-container img:hover {
  transform: scale(1.05) rotate(2deg);
}

.nav-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background-color: var(--color-accent);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  border: 2px solid var(--color-accent);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-align: center;
  position: relative;
}

.btn:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0);
}

/* ========================================
   WORK SECTION
   ======================================== */

#work {
  background-color: var(--color-bg);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.work-container {
  max-width: 1200px;
  margin: 0 auto;
}

.work-container h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.work-container > p {
  font-size: var(--font-size-large);
  color: var(--color-text-light);
  max-width: 700px;
  margin-bottom: var(--spacing-2xl);
}

.cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.case-card {
  background: var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  overflow: hidden;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--color-primary);
}

.case-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-normal);
}

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

.case-card h3 {
  margin: var(--spacing-md) 0 var(--spacing-sm);
  font-size: 1.3rem;
}

.case-card p {
  flex-grow: 1;
  color: var(--color-text-light);
  margin: 0;
  padding-bottom: var(--spacing-lg);
}

.case-card .case-insikter {
  font-size: var(--font-size-small);
  font-style: italic;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  padding-bottom: var(--spacing-md);
}

.case-btn {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  padding: 0.5rem 0.8rem;
  font-size: var(--font-size-small);
  background-color: rgba(0, 0, 0, 0.1);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
}

.case-btn:hover {
  background-color: rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 0, 0, 0.2);
}

/* ========================================
   ABOUT SECTION
   ======================================== */

#about {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.about-container {
  max-width: 800px;
  margin: 0 auto;
}

.about-container h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-lg);
}

.about-container h3 {
  font-size: 1.3rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.about-container ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.about-container li {
  background: var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.about-container li:hover {
  background: var(--color-accent-hover);
  transform: scale(1.05);
}

.about-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.about-images img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-full);
  object-fit: cover;
  transition: transform var(--transition-normal);
  border: 4px solid var(--color-accent);
}

.about-images img:hover {
  transform: scale(1.05) rotate(-2deg);
}

.about-btn-container {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-2xl);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

#contact {
  background-color: var(--color-bg);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.contact-container {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-container h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-lg);
}

.contact-container img {
  display: block;
  margin: var(--spacing-lg) auto;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 4px solid var(--color-accent);
  transition: transform var(--transition-normal);
}

.contact-container img:hover {
  transform: scale(1.05);
}

.contact-container p {
  font-size: var(--font-size-large);
  margin: var(--spacing-lg) 0;
  line-height: 1.8;
}

.contact-container a {
  color: var(--color-text);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

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

.contact-container a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.contact-container .btn {
  margin-top: var(--spacing-lg);
}

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

footer {
  background-color: var(--color-bg-alt);
  text-align: center;
  padding: var(--spacing-lg);
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
}

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

footer a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  nav {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  nav ul {
    gap: var(--spacing-md);
  }

  .hero-container h2 {
    text-align: center;
  }

  .cases {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-images {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-images img {
    width: 100%;
    height: 250px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  html,
  body {
    font-size: 14px;
  }

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

  nav {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }

  nav a {
    padding: 0.35rem 0.5rem;
    font-size: 0.9rem;
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    margin-left: 0;
  }

  #home {
    padding-top: 100px;
    padding: 100px var(--spacing-md) var(--spacing-lg);
  }

  .hero-container h1 {
    font-size: 2rem;
  }

  .hero-container h2 {
    font-size: 1.3rem;
  }

  .hero-container img {
    width: 150px;
    height: 150px;
  }

  .nav-buttons {
    gap: var(--spacing-sm);
  }

  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .cases {
    grid-template-columns: 1fr;
  }

  .work-container,
  .about-container,
  .contact-container {
    padding: 0 var(--spacing-sm);
  }

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

  .about-images img {
    width: 100%;
    height: 250px;
  }

  .contact-container img {
    width: 150px;
    height: 150px;
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  html,
  body {
    font-size: 13px;
  }

  header {
    padding: var(--spacing-xs);
  }

  nav ul {
    flex-wrap: wrap;
  }

  #home {
    padding-top: 90px;
  }

  .hero-container h1 {
    font-size: 1.7rem;
  }

  .hero-container h2 {
    font-size: 1.1rem;
  }

  .hero-container img {
    width: 120px;
    height: 120px;
  }

  .case-card {
    min-height: 350px;
  }

  .case-card h3 {
    font-size: 1.1rem;
  }

  .btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  header,
  footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

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

/* High contrast mode */
@media (prefers-contrast: more) {
  .btn {
    border-width: 3px;
  }

  nav a {
    border: 2px solid var(--color-text);
  }
}