/* ==========================================================================
   Page-Specific Styles
   ========================================================================== */

/* ===== Navigation ===== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  background: rgba(250, 250, 249, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--color-primary);
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

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

.nav-cta {
  margin-left: var(--space-4);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

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

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  min-height: 100vh;
  background: #ffffff;
  padding: var(--space-8);
  flex-direction: column;
  gap: var(--space-4);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile .nav-link {
  font-size: var(--text-lg);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* ===== Hero Section ===== */

.hero-home {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.hero-shape-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.hero-shape-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.15) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
  animation-delay: -7s;
}

.hero-shape-3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
  top: 40%;
  right: 20%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(20px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-10px, 20px) scale(0.95);
  }
  75% {
    transform: translate(30px, 10px) scale(1.02);
  }
}

.hero-title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin-bottom: var(--space-6);
  max-width: 800px;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-8);
}

.hero-subtitle a {
  color: var(--color-primary);
  text-decoration: underline;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Animated text rotation */
.text-rotate-wrapper {
  display: inline-block;
  position: relative;
  overflow: hidden;
  vertical-align: bottom;
  height: 1.4em;
  min-width: 280px;
}

.text-rotate {
  display: block;
  color: var(--color-primary);
  animation: textRotate 10s ease-in-out infinite;
}

@keyframes textRotate {
  0%, 16% { transform: translateY(0); }
  20%, 36% { transform: translateY(-1.4em); }
  40%, 56% { transform: translateY(-2.8em); }
  60%, 76% { transform: translateY(-4.2em); }
  80%, 96% { transform: translateY(-5.6em); }
  100% { transform: translateY(-7em); }
}

.text-rotate span {
  display: block;
  height: 1.4em;
  line-height: 1.4;
}

.text-rotate-wrapper.multiline {
  height: 2.8em;
}

.text-rotate-wrapper.multiline .text-rotate span {
  height: 2.8em;
}

.text-rotate-wrapper.multiline .text-rotate {
  animation-name: textRotateMultiline;
}

@keyframes textRotateMultiline {
  0%, 16% { transform: translateY(0); }
  20%, 36% { transform: translateY(-2.8em); }
  40%, 56% { transform: translateY(-5.6em); }
  60%, 76% { transform: translateY(-8.4em); }
  80%, 96% { transform: translateY(-11.2em); }
  100% { transform: translateY(-14em); }
}

/* ===== About Preview Section ===== */

.about-preview {
  background: var(--color-bg-card);
}

.about-image {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 450px;
  overflow: hidden;
}

.about-image-decoration {
  position: absolute;
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  bottom: -30px;
  right: -30px;
  z-index: -1;
}

.image-caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  text-align: center;
  max-width: 450px;
}

.about-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

/* ===== Featured Work Section ===== */

.work-section {
  background: var(--color-bg-secondary);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.work-grid .project-card:first-child {
  grid-column: span 2;
}

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

  .work-grid .project-card:first-child {
    grid-column: span 1;
  }
}

/* ===== Skills Section ===== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.skills-category {
  background: var(--color-bg-card);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.skills-category-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.skills-category-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.skills-list li {
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
  position: relative;
}

.skills-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-primary-light);
  border-radius: 50%;
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.tool-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
}

.tool-item:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-subtle);
}

.tool-icon {
  width: 24px;
  height: 24px;
}

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

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

/* ===== Testimonials Section ===== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

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

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

/* ===== CTA Section ===== */

.cta-section {
  background: var(--gradient-dark);
  text-align: center;
  padding: var(--space-20) 0;
}

.cta-section .section-title {
  color: var(--color-white);
}

.cta-section .section-description {
  color: rgba(255, 255, 255, 0.8);
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta-section .btn-primary:hover {
  background: var(--color-primary-subtle);
}

/* ===== Footer ===== */

.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-8);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
}

.footer-logo span {
  color: var(--color-primary-light);
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}

.footer-links {
  display: flex;
  gap: var(--space-12);
}

.footer-links-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: var(--space-8);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* ===== Case Studies Overview Page ===== */

.case-studies-header {
  background: var(--gradient-hero);
  padding: var(--space-32) 0 var(--space-16);
  text-align: center;
}

.filter-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.filter-tag {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tag:hover,
.filter-tag.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.projects-grid > * {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.projects-grid > .filter-hidden {
  display: none;
}

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

/* ===== Case Study Image Grids ===== */

.cs-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.cs-image-grid-weighted {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-6);
}

.cs-absolute-img-container {
  position: relative;
}

@media (max-width: 768px) {
  .cs-image-grid,
  .cs-image-grid-weighted {
    grid-template-columns: 1fr;
  }

  .cs-absolute-img-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    aspect-ratio: 1 / 1.5;
  }

  .cs-absolute-img-container img {
    position: static;
    transform: none;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
  }

  .cs-image-grid .image-frame[style*="aspect-ratio"],
  .cs-image-grid-weighted .image-frame[style*="aspect-ratio"] {
    aspect-ratio: auto !important;
  }
}

/* ===== Timeline Achievements List ===== */

.timeline-achievements {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.timeline-achievements li {
  position: relative;
  padding-left: var(--space-6);
}

.timeline-achievements li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== About Page ===== */

.about-hero {
  padding: var(--space-32) 0 var(--space-16);
}

.about-headshot {
  display: flex;
  justify-content: center;
}

.about-headshot img {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-2xl);
  object-fit: cover;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.value-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.value-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
}

.value-description {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

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

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

  .about-hero .two-col {
    text-align: center;
  }
}

/* ===== Animations ===== */

/* Fade in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}