/* DE-MAJ Architecture - Modern Layout Styles */

/* Modern Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(84, 101, 114, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease, border-color 0.2s ease;
  will-change: background-color, border-color;
}

.header--solid {
  background: rgba(84, 101, 114, 0.95);
  border-bottom-color: var(--border);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--container-padding);
  min-height: 72px;
  position: relative;
  z-index: var(--z-fixed);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  transition: var(--transition-colors);
}

.header__logo:hover {
  color: var(--accent);
}

.header__logo img {
  height: 56px;
  width: auto;
  border-radius: 0;
}

.header__nav {
  display: flex !important;
  align-items: center;
  gap: var(--space-8);
  visibility: visible !important;
  opacity: 1 !important;
  position: relative !important;
  z-index: 10 !important;
}

.header__nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
}

.header__nav-link {
  color: var(--grey-300);
  font-weight: 500;
  font-size: 0.875rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  position: relative;
}

.header__nav-link:hover,
.header__nav-link:focus {
  color: var(--fg);
  background: rgba(155, 192, 201, 0.1);
}

.header__nav-link--active {
  color: var(--fg);
  background: linear-gradient(135deg, var(--accent2), var(--accent));
}

.header__mobile-toggle {
  display: none !important;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  visibility: visible;
  opacity: 1;
  position: relative;
  z-index: var(--z-tooltip);
}

.header__mobile-toggle:hover {
  background: var(--muted);
}

.header__mobile-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--fg);
  transition: var(--transition-all);
  border-radius: var(--radius-full);
}

.header__mobile-toggle--open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__mobile-toggle--open span:nth-child(2) {
  opacity: 0;
}

.header__mobile-toggle--open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Modern Mobile Navigation */
.header__mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(84, 101, 114, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  transform: translateY(-100%);
  transition: var(--transition-all);
  z-index: var(--z-dropdown);
  pointer-events: none;
}

.header__mobile-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  color: var(--fg);
  font-size: 2rem;
  font-weight: 300;
  cursor: pointer;
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-all);
  border: none;
  background-color: rgba(255, 255, 255, 0.1);
}

.header__mobile-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.header__mobile-nav--open {
  transform: translateY(0);
  pointer-events: auto;
}

.header__mobile-nav-list {
  list-style: none;
  padding: var(--space-6);
  margin: 0;
}

.header__mobile-nav-item {
  border-bottom: 1px solid var(--line);
}

.header__mobile-nav-item:last-child {
  border-bottom: none;
}

.header__mobile-nav-link {
  display: block;
  padding: var(--space-4) 0;
  color: var(--grey-300);
  font-weight: 500;
  transition: var(--transition-colors);
}

.header__mobile-nav-link:hover,
.header__mobile-nav-link:focus {
  color: var(--accent);
}

/* Main Content */
.main {
  min-height: 100vh;
  padding-top: 72px;
}

/* Modern Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  border-radius: 0;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(0, 0, 0, 0.35) 50%,
    rgba(0, 0, 0, 0.55) 100%
  );
  z-index: -1;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  padding: 0 var(--container-padding);
  z-index: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: var(--space-8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.hero__title {
  margin-bottom: var(--space-6);
  color: var(--fg);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--grey-300);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Modern Section Layouts */
.section {
  padding: var(--space-24) 0;
}

.section--dark {
  background: var(--bg);
}

.section--light {
  background: var(--paper);
  color: var(--ink);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section__title {
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--fg);
  line-height: 1.6;
}

/* Modern Grid System */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Modern Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.two-column--reverse {
  grid-template-columns: 1fr 1fr;
}

.two-column--reverse .two-column__content {
  order: 2;
}

.two-column--reverse .two-column__media {
  order: 1;
}

/* Modern Card System */
.card {
  background: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  will-change: transform, border-color, box-shadow;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 0;
}

.card__content {
  padding: var(--space-6);
}

.card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--fg);
}

.card__meta {
  font-size: 0.875rem;
  color: var(--grey-400);
  margin-bottom: var(--space-4);
}

.card__description {
  font-size: 0.875rem;
  color: var(--grey-300);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.card__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* Modern Project Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  transition: var(--transition-all);
  cursor: pointer;
  group: hover;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-2xl);
}

.project-card__image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: var(--transition-transform);
  border-radius: 0;
}

.project-card:hover .project-card__image {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0) 55%,
    rgba(10, 14, 19, 0.7) 100%
  );
  opacity: 1;
  transition: var(--transition-opacity);
}

.project-card:hover .project-card__overlay { opacity: 1; }

.project-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  color: var(--fg);
  transform: none;
  transition: none;
}

.project-card:hover .project-card__content { transform: none; }

.project-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.project-card__meta {
  font-size: 0.875rem;
  color: var(--grey-300);
}

/* Modern Filter Chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-16);
}

.filter-chip {
  padding: var(--space-2) var(--space-4);
  background: transparent;
  color: var(--grey-400);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-all);
}

.filter-chip:hover {
  background: var(--muted);
  color: var(--fg);
  border-color: var(--accent);
}

.filter-chip--active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Modern Footer */
.footer {
  background: var(--grey-950);
  border-top: 1px solid var(--line);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__section-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--fg);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__link {
  display: block;
  padding: var(--space-2) 0;
  color: var(--grey-400);
  transition: var(--transition-colors);
}

.footer__link:hover,
.footer__link:focus {
  color: var(--accent);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--line);
  color: var(--grey-500);
  font-size: 0.875rem;
}

/* Ensure navigation is visible on larger screens */
@media (min-width: 769px) {
  .header__nav {
    display: flex !important;
  }
  
  .header__mobile-toggle {
    display: none !important;
  }
}

/* Enhanced Mobile Navigation */
@media (max-width: 768px) {
  .header__mobile-nav {
    padding: var(--space-8) var(--space-6);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .header__mobile-nav-link {
    padding: var(--space-5) 0;
    font-size: 1.125rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 56px;
    display: flex;
    align-items: center;
  }
  
  .header__mobile-nav-item:last-child .header__mobile-nav-link {
    border-bottom: none;
  }
  
  .header__mobile-toggle {
    padding: var(--space-3);
    min-width: 44px;
    min-height: 44px;
  }
  
  .header__mobile-toggle span {
    width: 28px;
    height: 3px;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    --container-padding: var(--space-4);
  }
  
  .two-column {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .two-column--reverse .two-column__content,
  .two-column--reverse .two-column__media {
    order: unset;
  }
  
  /* Better spacing for tablets */
  .section {
    padding: var(--space-20) 0;
  }
}

@media (max-width: 768px) {
  .header__nav {
    display: none !important;
  }
  
  .header__mobile-toggle {
    display: flex !important;
  }
  
  /* Enhanced hero section for mobile */
  .hero {
    min-height: 100vh;
    padding: var(--space-8) 0;
  }
  
  .hero__content {
    padding: 0 var(--space-4);
    max-width: 100%;
  }
  
  .hero__title {
    font-size: clamp(2rem, 8vw, 3.5rem);
    margin-bottom: var(--space-6);
    line-height: 1.1;
  }
  
  .hero__subtitle {
    font-size: clamp(1rem, 4vw, 1.25rem);
    margin-bottom: var(--space-8);
    line-height: 1.6;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }
  
  .hero__actions .btn {
    width: 100%;
    max-width: 280px;
    min-height: 48px;
    font-size: 1rem;
  }
  
  /* Enhanced project grid for mobile */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .project-card {
    border-radius: var(--radius-2xl);
    overflow: hidden;
  }
  
  .project-card__image {
    height: 240px;
  }
  
  /* Enhanced filter chips for mobile */
  .filter-chips {
    justify-content: flex-start;
    overflow-x: auto;
    padding: var(--space-4) 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .filter-chips::-webkit-scrollbar {
    display: none;
  }
  
  .filter-chip {
    white-space: nowrap;
    flex-shrink: 0;
    padding: var(--space-3) var(--space-5);
    font-size: 0.875rem;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  /* Enhanced sections for mobile */
  .section {
    padding: var(--space-16) 0;
  }
  
  .section__header {
    margin-bottom: var(--space-12);
    padding: 0 var(--space-4);
  }
  
  .section__title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    margin-bottom: var(--space-4);
  }
  
  .section__subtitle {
    font-size: clamp(1rem, 4vw, 1.125rem);
    line-height: 1.6;
  }
  
  /* Enhanced cards for mobile */
  .card {
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-6);
  }
  
  .card__content {
    padding: var(--space-6);
  }
  
  .card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
  }
  
  /* Enhanced two-column layout for mobile */
  .two-column {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .two-column__content,
  .two-column__media {
    padding: 0 var(--space-4);
  }
}

@media (max-width: 480px) {
  .container {
    --container-padding: var(--space-4);
  }
  
  /* Ultra-mobile optimizations */
  .hero {
    min-height: 100vh;
    padding: var(--space-6) 0;
  }
  
  .hero__title {
    font-size: clamp(1.75rem, 10vw, 2.5rem);
    line-height: 1.1;
    margin-bottom: var(--space-5);
  }
  
  .hero__subtitle {
    font-size: clamp(0.9rem, 4.5vw, 1.1rem);
    line-height: 1.6;
    margin-bottom: var(--space-6);
  }
  
  .hero__actions .btn {
    width: 100%;
    max-width: 100%;
    min-height: 52px;
    font-size: 1.1rem;
    font-weight: 600;
  }
  
  .section {
    padding: var(--space-12) 0;
  }
  
  .section__header {
    margin-bottom: var(--space-10);
    padding: 0 var(--space-3);
  }
  
  .section__title {
    font-size: clamp(1.5rem, 8vw, 2rem);
    line-height: 1.2;
  }
  
  .section__subtitle {
    font-size: clamp(0.9rem, 4vw, 1rem);
    line-height: 1.6;
  }
  
  /* Enhanced cards for ultra-mobile */
  .card {
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
  }
  
  .card__content {
    padding: var(--space-5);
  }
  
  .card__title {
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
  }
  
  .card__description {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  /* Enhanced buttons for ultra-mobile */
  .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    font-size: 1rem;
    font-weight: 600;
  }
  
  .btn--sm {
    min-height: 40px;
    font-size: 0.9rem;
  }
  
  .btn--lg {
    min-height: 56px;
    font-size: 1.1rem;
  }
  
  /* Enhanced project cards for ultra-mobile */
  .project-card {
    border-radius: var(--radius-xl);
  }
  
  .project-card__image {
    height: 200px;
  }
  
  .project-card__content {
    padding: var(--space-5);
  }
  
  .project-card__title {
    font-size: 1.125rem;
    margin-bottom: var(--space-2);
  }
  
  .project-card__meta {
    font-size: 0.8rem;
  }
  
  /* Enhanced form elements for ultra-mobile */
  input, textarea, select {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: var(--space-4);
    min-height: 48px;
    border-radius: var(--radius-lg);
  }
  
  textarea {
    min-height: 120px;
  }
  
  /* Enhanced mobile navigation for ultra-mobile */
  .header__mobile-nav {
    padding: var(--space-6) var(--space-4);
  }
  
  .header__mobile-nav-link {
    padding: var(--space-4) 0;
    font-size: 1rem;
    min-height: 52px;
  }
  
  .header__mobile-toggle {
    padding: var(--space-2);
    min-width: 48px;
    min-height: 48px;
  }
  
  .header__mobile-toggle span {
    width: 24px;
    height: 2px;
  }
  
  /* Enhanced footer for ultra-mobile */
  .footer__container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }
  
  .footer__section {
    margin-bottom: var(--space-6);
  }
  
  .footer__section-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-4);
  }
  
  .footer__link {
    padding: var(--space-3) 0;
    font-size: 0.9rem;
  }
}