/*
 * Idesignweb Layout and Structural Grids
 * Refined Minimalist Editorial Design System
 * Clean light header, confident hero typography, flat showcase cards, and 2-column mobile grids.
 */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-fluid {
  width: 100%;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Site Header */
.site-header {
  height: var(--header-height);
  border-bottom: 1px solid var(--border-hairline);
  background-color: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-mark {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Unnecessary deco dot hidden */
.brand-dot {
  display: none;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: var(--weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-left: 1px solid var(--border-hairline);
  padding-left: 8px;
  margin-left: 6px;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.nav-link.active {
  color: var(--color-blue);
  font-weight: var(--weight-bold);
}

.nav-divider {
  width: 1px;
  height: 20px;
  background-color: var(--border-hairline);
  margin: 0 var(--space-sm);
}

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

/* Mobile Nav Extras */
.mobile-nav-extras {
  display: none;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.mobile-nav-toggle:hover {
  background-color: var(--bg-muted);
  border-color: var(--border-strong);
}

/* Hero Section */
.hero-section {
  padding: var(--space-4xl) 0 var(--space-3xl) 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-hairline);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.hero-meta {
  margin-bottom: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-headline {
  font-size: var(--text-display);
  font-weight: var(--weight-bold);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: var(--space-md);
}

.hero-headline em {
  font-style: normal;
  font-weight: inherit;
  color: var(--text-main);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-body);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

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

.hero-founder-attribution {
  font-size: var(--text-small);
  color: var(--text-muted);
  margin-top: var(--space-md);
}

/* Section Shells */
.section {
  padding: 40px 0;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.page-header {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 36px;
}

.page-title {
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 3.2vw, 2.25rem);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 12px;
}

.page-subtitle {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  letter-spacing: -0.011em;
  margin-bottom: 0;
}

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

.section-sky {
  background-color: var(--bg-surface);
}

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

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  min-width: 0;
  max-width: 100%;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  min-width: 0;
  max-width: 100%;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  min-width: 0;
  max-width: 100%;
}

.grid-2 > *, .grid-3 > *, .grid-4 > *, .grid-picks > *, .stories-grid > *, .portal-layout > * {
  min-width: 0;
  max-width: 100%;
}

/* Featured Pick Card */
.grid-picks {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  background-color: #FFFFFF;
  margin-bottom: var(--space-2xl);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.picks-content {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.picks-image-wrap {
  width: 100%;
  height: 100%;
  min-height: 340px;
  overflow: hidden;
  background-color: var(--bg-muted);
}

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

.picks-image-wrap:hover .picks-image {
  transform: scale(1.03);
}

/* Stories Contrast Section */
.stories-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-xl);
  background-color: var(--bg-dark);
  color: #FFFFFF;
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
}

.stories-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

/* Portal Layout Structure */
.portal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - var(--header-height));
  min-width: 0;
  max-width: 100%;
}

.portal-sidebar {
  border-right: 1px solid var(--border-hairline);
  background-color: var(--bg-muted);
  padding: var(--space-xl) var(--space-lg);
  min-width: 0;
  max-width: 100%;
}

.portal-main {
  padding: var(--space-2xl);
  background-color: var(--bg-primary);
  min-width: 0;
  max-width: 100%;
}

/* Responsive Table & Filter Helpers */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-lg);
  border: 1px solid var(--border-hairline);
}

.filter-scroll-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: var(--space-lg);
  max-width: 100%;
}

.card-action-row {
  border-top: 1px solid var(--border-hairline);
  padding-top: 10px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  width: 100%;
}

.project-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-hairline);
  margin-bottom: var(--space-md);
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 640px) {
  .project-meta-grid {
    grid-template-columns: 1fr;
  }
  .project-meta-grid > div {
    border-right: none !important;
    border-bottom: 1px solid var(--border-hairline);
  }
  .project-meta-grid > div:last-child {
    border-bottom: none;
  }
}

.portal-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.portal-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-body);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
}

.portal-nav-item:hover {
  background-color: #FFFFFF;
  border-color: var(--border-hairline);
  color: var(--text-main);
}

.portal-nav-item.active {
  background-color: #FFFFFF;
  border-color: var(--border-hairline);
  color: var(--text-main);
  font-weight: var(--weight-bold);
}

/* Site Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
  padding: var(--space-3xl) 0 var(--space-2xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  font-size: var(--text-small);
  color: var(--text-on-dark-muted);
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  font-size: var(--text-tiny);
  color: var(--text-dim);
}

/* ============================================================ */
/* Responsive Media Queries                                      */
/* ============================================================ */

/* ---- Tablet (max-width: 992px) ---- */
@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-picks {
    grid-template-columns: 1fr;
  }
  .picks-image-wrap {
    min-height: 240px;
  }
  .stories-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .stories-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  .portal-layout {
    grid-template-columns: 1fr;
  }
  .portal-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-hairline);
  }
}

/* ---- Mobile (max-width: 768px) ---- */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

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

  .main-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-surface);
    padding: var(--space-lg) var(--space-md);
    gap: 0;
    border-top: 1px solid var(--border-hairline);
    overflow-y: auto;
    z-index: 999;
  }

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

  .main-nav .nav-link {
    width: 100%;
    padding: 12px var(--space-md);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-hairline);
    border-radius: 0;
  }

  .main-nav .nav-dropdown {
    width: 100%;
  }

  .main-nav .nav-dropdown-summary {
    width: 100%;
    padding: 12px var(--space-md);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-hairline);
  }

  .main-nav .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background-color: var(--bg-muted);
    padding: var(--space-xs) 0;
  }

  .nav-divider {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    order: 1;
  }

  .header-actions {
    display: none;
  }

  .section {
    padding: 24px 0;
  }

  .page-header {
    margin-bottom: 16px;
  }

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

  .hero-headline {
    font-size: clamp(1.6rem, 6vw, 2.1rem);
    margin-bottom: var(--space-sm);
  }

  .hero-description {
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
  }

  .hero-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-actions .btn {
    width: 100%;
  }

  /* Clean 1-Column Vertical Stack for Mobile */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .card-action-row {
    gap: 8px;
    flex-wrap: wrap;
  }

  .card-action-row .btn {
    flex: 1 1 120px;
    text-align: center;
    justify-content: center;
  }

  .picks-content {
    padding: var(--space-lg);
  }

  .picks-image-wrap {
    min-height: 200px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .stories-grid {
    padding: var(--space-lg);
  }

  .stories-cards {
    grid-template-columns: 1fr;
  }

  .mobile-nav-extras {
    display: flex;
    flex-direction: column;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-hairline);
  }

  .mobile-nav-extras .nav-link {
    border-bottom: none;
  }
}

/* ---- Small phones (max-width: 480px) ---- */
@media (max-width: 480px) {
  .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .hero-headline {
    font-size: 1.5rem;
  }

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