/*
  Puhu.app — düzen katmanı: panel app-shell (sidebar/topbar) ve
  pazarlama sitesi header/footer/section iskeleti.
*/

/* =========================================================
   PANEL APP-SHELL (Admin / Teacher / Parent ortak)
   ========================================================= */
.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}

.app-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset-block: 0;
  left: 0;
  z-index: 1040;
  transition: transform var(--duration-base) var(--ease-standard);
}

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand img {
  width: 34px;
  height: 34px;
}

.sidebar-brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-lg);
  color: var(--gray-0);
  letter-spacing: -0.01em;
}

.sidebar-brand__name span {
  color: var(--gold-400);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
}

.sidebar-section-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  padding: var(--space-3) var(--space-3) var(--space-2);
  display: block;
}

.sidebar-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.7rem var(--space-3);
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: background-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
}

.sidebar-nav-link i {
  width: 1.1rem;
  text-align: center;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--duration-fast) var(--ease-standard);
}

.sidebar-nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sidebar-text-active);
}

.sidebar-nav-link.active {
  background: var(--sidebar-bg-active);
  color: var(--sidebar-text-active);
  box-shadow: inset 3px 0 0 var(--gold-500);
}

.sidebar-nav-link.active i {
  color: var(--sidebar-icon-active);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
}

.sidebar-user:hover {
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-user-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--gray-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
}

.app-topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--space-6);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar-icon-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  position: relative;
  transition: background-color var(--duration-fast) var(--ease-standard);
}

.topbar-icon-btn:hover {
  background: var(--color-surface-sunken);
  color: var(--color-primary);
}

.sidebar-toggle-btn {
  display: none;
  border: none;
  background: transparent;
  font-size: 1.25rem;
  color: var(--color-text);
}

.app-content {
  padding: var(--space-6);
  flex: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-header__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-2xl);
  margin: 0;
}

.page-header__desc {
  color: var(--color-text-muted);
  margin: var(--space-1) 0 0;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 21, 49, 0.5);
  z-index: 1030;
}

.sidebar-overlay.show {
  display: block;
}

@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-100%);
  }

  .app-sidebar.show {
    transform: translateX(0);
  }

  .app-main {
    margin-left: 0;
  }

  .sidebar-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .app-content {
    padding: var(--space-4);
  }
}

@media (max-width: 575.98px) {
  .app-topbar {
    padding-inline: var(--space-4);
  }

  .page-header {
    flex-direction: column;
  }
}

/* =========================================================
   PAZARLAMA SİTESİ
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container-app {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-logo img {
  height: 34px;
}

.site-logo__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-lg);
  color: var(--color-primary);
}

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

.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-links a {
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--fs-sm);
}

.site-nav-links a:hover {
  color: var(--color-primary);
}

.site-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-mobile-toggle {
  display: none;
  border: none;
  background: transparent;
  font-size: 1.35rem;
  color: var(--color-primary);
}

@media (max-width: 991.98px) {
  .site-nav-links,
  .site-nav-actions .btn-outline-primary {
    display: none;
  }

  .site-mobile-toggle {
    display: inline-flex;
  }
}

.site-hero {
  position: relative;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--gray-0);
  overflow: hidden;
  padding-block: var(--space-24) var(--space-20);
}

.site-hero::before,
.site-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
}

.site-hero::before {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(203, 155, 34, 0.25), transparent 70%);
  top: -140px;
  right: -80px;
}

.site-hero::after {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(203, 155, 34, 0.14), transparent 70%);
  bottom: -160px;
  left: -60px;
}

.site-hero .container-app {
  position: relative;
  z-index: 1;
}

.site-hero h1 {
  color: var(--gray-0);
  font-size: var(--fs-5xl);
  max-width: 720px;
}

.site-hero p.lead {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-lg);
  max-width: 560px;
}

.site-section {
  padding-block: var(--space-20);
}

.site-section--sunken {
  background: var(--color-surface-sunken);
}

.site-section-head {
  max-width: 640px;
  margin: 0 auto var(--space-12);
  text-align: center;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  height: 100%;
}

.feature-card__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  background: var(--navy-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

/* =========================================================
   Ürün bento ızgarası (Özellikler bölümü) - gerçek panel
   ekran görüntülerini tarayıcı çerçevesi içinde gösterir.
   ========================================================= */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
}

.bento-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard);
}

.bento-tile:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.bento-tile--span7 {
  grid-column: span 7;
}

.bento-tile--span5 {
  grid-column: span 5;
}

.bento-tile__body {
  padding: var(--space-6) var(--space-6) var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.bento-tile__text h3 {
  margin-bottom: var(--space-1);
}

.bento-tile__text p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.bento-tile__shot {
  margin: 0 var(--space-4) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--gray-50);
  box-shadow: var(--shadow-sm);
}

.bento-tile__shot-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0.55rem var(--space-4);
  background: var(--gray-100);
  border-bottom: 1px solid var(--color-border);
}

.bento-tile__shot-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

.bento-tile__shot-dots span {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--gray-300);
}

.bento-tile__shot-url {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--color-text-subtle);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bento-tile__shot img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: top;
}

.bento-tile--span7 .bento-tile__shot img {
  height: 340px;
}

.bento-tile__shot--crop-left img {
  object-position: right top;
}

@media (max-width: 991.98px) {
  .bento-tile--span7,
  .bento-tile--span5 {
    grid-column: span 12;
  }

  .bento-tile__shot img,
  .bento-tile--span7 .bento-tile__shot img {
    height: 260px;
  }
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  height: 100%;
  position: relative;
}

.pricing-card--featured {
  background: var(--navy-900);
  color: var(--gray-0);
  border-color: var(--navy-900);
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}

.pricing-card--featured .text-muted {
  color: rgba(255, 255, 255, 0.65) !important;
}

.pricing-card__price {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 800;
}

.cta-band {
  background: var(--navy-900);
  color: var(--gray-0);
  border-radius: var(--radius-2xl);
  padding: var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band h2 {
  color: var(--gray-0);
}

.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-16) var(--space-8);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
}

.site-footer a:hover {
  color: var(--gold-400);
}

.site-footer h6 {
  color: var(--gray-0);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-xs);
}

@media (max-width: 767.98px) {
  .site-hero {
    padding-block: var(--space-16) var(--space-12);
  }

  .site-hero h1 {
    font-size: var(--fs-3xl);
  }

  .site-section {
    padding-block: var(--space-12);
  }

  .pricing-card--featured {
    transform: none;
  }
}