/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors */
  --primary: #1B6AE5;
  --primary-dark: #1454b8;
  --primary-light: #e8f0fe;
  --primary-gradient: linear-gradient(135deg, #1B6AE5 0%, #0d47a1 100%);
  --accent: #FF6D3B;
  --accent-light: #fff0eb;
  --success: #00c853;
  --warning: #ffab00;

  /* Neutrals */
  --dark-900: #0f1724;
  --dark-800: #1a2332;
  --dark-700: #2d3748;
  --dark-600: #4a5568;
  --dark-500: #718096;
  --dark-400: #a0aec0;
  --dark-300: #cbd5e0;
  --dark-200: #e2e8f0;
  --dark-100: #edf2f7;
  --dark-50: #f7fafc;
  --white: #ffffff;

  /* Typography */
  --font-primary: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Be Vietnam Pro', sans-serif;

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

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-card: 0 2px 12px rgba(27,106,229,0.08);
  --shadow-card-hover: 0 12px 36px rgba(27,106,229,0.18);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1320px;
  --header-height: 72px;
  --sidebar-nav-width: 260px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  color: var(--dark-700);
  background: var(--dark-50);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, select {
  font-family: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== HEADER / LEFT SIDEBAR NAV ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-nav-width);
  background: var(--white);
  border-right: 1px solid rgba(0,0,0,0.08);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 2px 0 16px rgba(0,0,0,0.05);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: 2px 0 24px rgba(0,0,0,0.1);
}

.header__inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-xl) var(--space-md);
  min-height: 100vh;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
  padding-bottom: var(--space-xl);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--dark-100);
}

.header__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.header__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.header__nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--dark-600);
  padding: 11px var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.header__nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

.header__nav-link.active::after {
  display: none;
}

.header__nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: var(--primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.header__actions {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--outline {
  border: 1.5px solid var(--dark-300);
  color: var(--dark-700);
  background: var(--white);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn--primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(27,106,229,0.35);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(27,106,229,0.45);
}

.btn--ghost {
  color: var(--dark-600);
  padding: 10px 14px;
}

.btn--ghost:hover {
  color: var(--primary);
  background: var(--primary-light);
}

/* Mobile menu toggle */
.header__menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.header__menu-toggle:hover {
  background: var(--dark-100);
}

.header__menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark-700);
  position: relative;
  transition: all var(--transition-fast);
}

.header__menu-toggle span::before,
.header__menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--dark-700);
  transition: all var(--transition-fast);
}

.header__menu-toggle span::before {
  top: -7px;
}

.header__menu-toggle span::after {
  top: 7px;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  margin-top: 0;
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: linear-gradient(135deg, #0d2137 0%, #1a3a5c 40%, #1B6AE5 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/hero_banner.jpg') center/cover no-repeat;
  opacity: 0.18;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--dark-50), transparent);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero__title {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.5px;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

/* Animated particles in hero */
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero__particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-400px) scale(0); opacity: 0; }
}

/* ===== SEARCH BAR ===== */
.search-bar {
  position: relative;
  z-index: 3;
  max-width: 960px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-sm);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.search-bar--single {
  max-width: 580px;
  padding: 8px 8px 8px 18px;
  gap: 10px;
}

.search-bar__input--solo {
  flex: 1;
  font-size: 0.938rem;
  color: var(--dark-700);
  background: transparent;
  border: none;
  outline: none;
  height: 36px;
  line-height: 36px;
}

.search-bar__input--solo::placeholder {
  color: var(--dark-400);
}

.search-suggestions {
  position: fixed;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  z-index: 9999;
  display: none;
  overflow: hidden;
}

.search-suggestion {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  cursor: pointer;
  transition: background .12s;
}

.search-suggestion + .search-suggestion {
  border-top: 1px solid #f1f5f9;
}

.search-suggestion:hover {
  background: #f8fafc;
}

.search-suggestion__icon {
  font-size: 1.1rem;
  color: var(--primary);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-suggestion__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0f1724;
  line-height: 1.3;
}

.search-suggestion__sub {
  font-size: 0.75rem;
  color: #718096;
  margin-top: 1px;
}

.search-suggestion__name mark {
  background: transparent;
  color: var(--primary);
  font-weight: 700;
}

.search-bar__submit {
  width: 52px;
  height: 52px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(27,106,229,0.35);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.search-bar__submit:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(27,106,229,0.45);
}

/* ===== MAIN CONTENT ===== */
.page-wrapper {
  margin-left: var(--sidebar-nav-width);
}

.main {
  padding: var(--space-2xl) 0 var(--space-4xl);
}

.main__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* ===== PROJECT GRID ===== */
.projects {
  display: flex;
  flex-direction: column;
}

.projects__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.projects__count {
  font-size: 0.938rem;
  color: var(--dark-600);
}

.projects__count strong {
  color: var(--primary);
  font-weight: 700;
}

.projects__filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.projects__filter-btn {
  padding: 6px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--gray-200, #e2e8f0);
  background: var(--white);
  color: var(--dark-600, #475569);
  font-size: 0.813rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
}

.projects__filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.projects__filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

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

.projects__sort-label {
  font-size: 0.813rem;
  color: var(--dark-500);
}

.projects__sort-select {
  padding: 8px 32px 8px 12px;
  font-size: 0.813rem;
  color: var(--dark-700);
  background: var(--white);
  border: 1.5px solid var(--dark-200);
  border-radius: var(--radius-md);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8.825L1.175 4 2.238 2.938 6 6.7 9.763 2.938 10.825 4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

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

/* ===== PROJECT CARD ===== */
.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--dark-200);
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
}

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

.project-card__image-wrap {
  display: block;
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-card__badges {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.project-card__badge {
  padding: 4px 12px;
  font-size: 0.688rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.project-card__badge--selling {
  background: rgba(0, 200, 83, 0.95);
  color: var(--white);
}

.project-card__badge--upcoming {
  background: rgba(255, 109, 59, 0.95);
  color: var(--white);
}

.project-card__body {
  padding: var(--space-lg);
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.project-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--dark-900);
  line-height: 1.4;
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.project-card:hover .project-card__title {
  color: var(--primary);
}

.project-card__project-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__project-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.project-card__project-logo--placeholder {
  font-size: 0.6rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(27,106,229,0.15);
  box-shadow: var(--shadow-sm);
  text-transform: uppercase;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__location {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 0.813rem;
  color: var(--dark-500);
  margin-bottom: var(--space-md);
  line-height: 1.4;
}

.project-card__location-icon {
  color: var(--accent);
  font-size: 0.95rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Metadata Info Table */
.project-card__info-table {
  display: flex;
  flex-direction: column;
}

.project-card__info-row {
  border-top: 1px solid var(--dark-100);
  padding: 10px 0;
}

.project-card__info-row--three-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xs);
}

.project-card__info-item {
  display: flex;
  align-items: center;
  font-size: 0.813rem;
  line-height: 1.4;
  color: var(--dark-700);
}

.project-card__info-label {
  color: var(--dark-400);
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.project-card__info-label i {
  font-size: 1rem;
  color: var(--dark-400);
}

.project-card__info-value {
  font-weight: 700;
  color: var(--dark-900);
  margin-left: 8px;
}

.project-card__info-value--highlight {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
}

.project-card__info-value--highlight i {
  font-size: 1.1rem;
  color: var(--dark-400);
}

/* Detail specs */
.project-card__spec-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.project-card__spec-label {
  font-size: 0.72rem;
  color: var(--dark-400);
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.project-card__spec-label i {
  font-size: 0.85rem;
  color: var(--dark-400);
}

.project-card__spec-value {
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--dark-800);
  line-height: 1.3;
}

/* Footer & Button */
.project-card__footer {
  margin-top: var(--space-md);
}

.project-card__btn-view {
  display: block;
  width: 100%;
  text-align: center;
  padding: 12px;
  border: 1.5px solid #e03131; /* Beautiful red/crimson outline like screenshot */
  color: #e03131;
  background: var(--white);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.875rem;
  transition: all var(--transition-base);
  text-decoration: none;
}

.project-card__btn-view:hover {
  background: #fff5f5;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224, 49, 49, 0.12);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-900);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.footer__brand-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.footer__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 300px;
}

.footer__socials {
  display: flex;
  gap: var(--space-sm);
}

.footer__social {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.footer__social:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-lg);
  position: relative;
}

.footer__heading::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__link::before {
  content: '›';
  font-size: 1.1rem;
  color: var(--primary);
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-fast);
}

.footer__link:hover {
  color: var(--white);
  padding-left: var(--space-sm);
}

.footer__link:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer__contact-icon {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer__bottom {
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.813rem;
}

.footer__bottom a {
  color: var(--primary);
  font-weight: 500;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(27,106,229,0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(27,106,229,0.45);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Staggered animation delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .project-card__info-row--three-cols {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: var(--header-height);
    border-right: none;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: none;
    overflow: visible;
    flex-direction: row;
  }

  .header.scrolled {
    box-shadow: var(--shadow-md);
  }

  .header__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    min-height: auto;
    height: 100%;
  }

  .header__logo {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
  }

  .header__actions {
    display: none;
  }

  .page-wrapper {
    margin-left: 0;
    margin-top: var(--header-height);
  }

  .header__nav {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
  }

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

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .search-bar {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    gap: 0;
  }

  .search-bar--single {
    flex-direction: row;
    align-items: center;
    padding: 10px 16px;
    gap: 8px;
  }

  .search-bar__submit {
    display: none;
  }

  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .project-card__image-wrap {
    height: 170px;
  }

  .project-card__body {
    padding: var(--space-md);
  }

  .project-card__title {
    font-size: 1rem;
    line-height: 1.35;
  }

  .project-card__info-row--three-cols {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }

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

  .footer__link {
    gap: 0;
  }

  .footer__link::before {
    display: none;
  }

  .footer__link:hover {
    padding-left: 0;
  }

}

@media (max-width: 600px) {
  .container {
    padding: 0 var(--space-md);
  }

  .header__inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .project-card__image-wrap {
    height: 140px;
  }

  .project-card__body {
    padding: 10px 12px;
  }

  .project-card__footer {
    padding-top: 8px;
  }
}

@media (max-width: 430px) {
  .projects__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .project-card__image-wrap {
    height: 200px;
  }

  .project-card__body {
    padding: var(--space-md);
  }

  .project-card__title {
    font-size: 1.0625rem;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.5rem;
  }
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: none;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.mobile-nav__content {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: var(--white);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
  animation: slideInRight 0.3s ease;
  overflow-y: auto;
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.mobile-nav__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  color: var(--dark-600);
  margin-bottom: var(--space-xl);
  transition: all var(--transition-fast);
}

.mobile-nav__close:hover {
  background: var(--dark-100);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark-700);
  border-bottom: 1px solid var(--dark-100);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link.active {
  color: var(--primary);
}