:root {
  --bg: #0e0f11;
  --panel: #17181b;
  --panel-2: #1e1f23;
  --text: #f3f3f2;
  --muted: #9a9ba0;
  --accent: #e8ff5b;
  --radius: 10px;
  --gap: 20px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
}

.app {
  display: flex;
  gap: var(--gap);
  padding: var(--gap);
  height: 100vh;
  align-items: stretch;
}

/* ---------- SIDEBAR ---------- */
.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--panel);
  border-radius: var(--radius);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.logo {
  display: block;
  height: 32px;
  width: auto;
  margin-bottom: 40px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 16px;
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.nav-link:hover {
  background: var(--panel-2);
  color: var(--text);
}

.nav-link.active {
  background: var(--accent);
  color: #101010;
  font-weight: 600;
}

.book-btn {
  margin-top: 40px;
  background: var(--text);
  color: #101010;
  border: none;
  padding: 16px;
  border-radius: 18px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s, background .2s;
}

.book-btn:hover,
.book-btn.active {
  background: var(--accent);
  transform: translateY(-2px);
}

/* ---------- MOBILE HEADER ---------- */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--panel);
  border-radius: var(--radius);
  padding: 18px 22px;
  position: sticky;
  top: var(--gap);
  z-index: 30;
  flex-shrink: 0;
}

.mobile-header .logo {
  margin-bottom: 0;
}

.burger {
  background: none;
  border: none;
  width: 32px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  padding: 0;
}
.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
}

/* ---------- CONTENT: tam ekran, tək panel ---------- */
.content {
  flex: 1;
  min-width: 0;
  height: 100%;
}

.view-box {
  background: var(--panel);
  border-radius: var(--radius);
  height: 100%;
  overflow-y: auto;
  padding: 56px 64px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.view-title {
  font-size: 34px;
  font-weight: 700;
  margin: 0 0 24px;
}

.view p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
  max-width: 640px;
}

.view a { color: var(--accent); text-decoration: none; }

/* ---------- ABOUT LAYOUT ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "photo title"
    "photo text";
  column-gap: 40px;
  row-gap: 14px;
  align-items: start;
}

.about-title {
  grid-area: title;
}

.about-text {
  grid-area: text;
  min-width: 0;
}

.about-photo {
  grid-area: photo;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-2);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- PORTFOLIO ---------- */
.portfolio-filters {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.portfolio-filters::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  flex-shrink: 0;
  background: var(--panel-2);
  border: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.filter-btn:hover {
  color: var(--text);
}

.filter-btn.active {
  background: var(--accent);
  color: #101010;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.portfolio-item {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  background: var(--panel-2);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

/* ---------- LIGHTBOX ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .85);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.lightbox.show {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--text);
  border: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}

.lightbox-close:hover {
  background: var(--accent);
  color: #101010;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--text);
  border: none;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}

.lightbox-nav:hover {
  background: var(--accent);
  color: #101010;
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

@media (max-width: 600px) {
  .lightbox { padding: 24px; }
  .lightbox-nav { width: 40px; height: 40px; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}

/* ---------- SEMINAR ---------- */
.seminar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.seminar-card {
  border: 1px solid rgba(243, 243, 242, 0.12);
  border-radius: var(--radius);
  padding: 14px;
}

.seminar-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
  background: var(--panel-2);
}

.seminar-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .4);
  transition: transform .2s ease;
}

.play-btn::before {
  content: "";
  margin-left: 4px;
  border-style: solid;
  border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent #101010;
}

.play-btn:hover {
  transform: translate(-50%, -50%) scale(1.08);
}

.seminar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 16px 0 6px;
}

.seminar-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
}

.seminar-price {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}

.seminar-desc {
  color: var(--muted);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* ---------- SEMINAR PLAYER MODAL (demo — real ödəniş/hesab məntiqi backend tələb edir) ---------- */
.seminar-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .85);
  z-index: 110;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.seminar-modal.show {
  display: flex;
}

.seminar-modal-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}

.seminar-modal-box .lightbox-close {
  background: rgba(0, 0, 0, .55);
  z-index: 5;
}

.seminar-modal-box .lightbox-close:hover {
  background: var(--accent);
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.seminar-video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.video-fallback {
  position: absolute;
  inset: 0;
  background: var(--panel-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-badge {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.video-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: rgba(243, 243, 242, .12);
}

.video-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
}

.video-progress-bar.playing {
  animation: trailerPlay 5s linear forwards;
}

@keyframes trailerPlay {
  from { width: 0%; }
  to { width: 100%; }
}

.seminar-modal-body {
  padding: 24px 28px 28px;
}

.seminar-modal-title {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 700;
}

.paywall-text {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 18px;
}

.unlocked-badge {
  display: inline-block;
  background: var(--accent);
  color: #101010;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.subscribe-btn {
  position: fixed;
  right: 40px;
  bottom: 40px;
  z-index: 50;
  background: var(--accent);
  color: #101010;
  border: none;
  padding: 14px 30px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
  transition: transform .15s;
}
.subscribe-btn:hover { transform: translateY(-2px); }

@media (max-width: 520px) {
  .subscribe-btn {
    right: 20px;
    bottom: 20px;
    padding: 12px 24px;
  }
}

/* ---------- AUTH MODAL (demo — real login/qeydiyyat backend tələb edir) ---------- */
.auth-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .85);
  z-index: 120;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-modal.show {
  display: flex;
}

.auth-modal-box {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--panel);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
}

.auth-modal-box .lightbox-close {
  background: rgba(0, 0, 0, .35);
}

.auth-modal-box .lightbox-close:hover {
  background: var(--accent);
}

.auth-tabs {
  display: flex;
  gap: 6px;
  background: var(--panel-2);
  border-radius: 14px;
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.auth-tab.active {
  background: var(--accent);
  color: #101010;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-form .submit-btn {
  margin-top: 10px;
}

.auth-form input {
  background: var(--panel-2);
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.auth-remember {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  margin-top: -2px;
}

.auth-remember input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.auth-terms {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  cursor: pointer;
  user-select: none;
  margin-top: -2px;
}

.auth-terms input {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}

.terms-link {
  color: var(--accent);
  text-decoration: underline;
}

/* ---------- TERMS MODAL ---------- */
.terms-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .85);
  z-index: 130;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.terms-modal.show {
  display: flex;
}

.terms-modal-box {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  background: var(--panel);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
}

.terms-modal-box .lightbox-close {
  background: rgba(0, 0, 0, .35);
}

.terms-modal-box .lightbox-close:hover {
  background: var(--accent);
}

.terms-modal-title {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 16px;
  flex-shrink: 0;
}

.terms-modal-body {
  overflow-y: auto;
}

.terms-modal-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 14px;
}

.terms-modal-body strong {
  color: var(--text);
}

.auth-purchases-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 14px;
}

.purchased-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.purchased-list li {
  background: var(--panel-2);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
}

.purchased-list li.purchased-empty {
  color: var(--muted);
}

/* ---------- BLOG ---------- */
.blog-list {
  display: flex;
  flex-direction: column;
  max-width: 640px;
}

.blog-item {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--panel-2);
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  text-align: left;
  width: 100%;
  cursor: pointer;
}
.blog-item:last-child { border-bottom: none; }

.blog-date {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  min-width: 78px;
  flex-shrink: 0;
}

.blog-title {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  transition: color .2s;
}

.blog-item:hover .blog-title {
  color: var(--accent);
}

/* ---------- BLOG READER (tam ekran) ---------- */
.blog-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 110;
  overflow-y: auto;
}

.blog-modal.show {
  display: block;
}

.blog-modal-close {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 5;
  background: var(--panel-2);
}

.blog-modal-close:hover {
  background: var(--accent);
  color: #101010;
}

.blog-modal-box {
  max-width: 720px;
  margin: 0 auto;
  padding: 90px 24px 100px;
}

.blog-modal-date {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .5px;
}

.blog-modal-title {
  font-size: 32px;
  font-weight: 700;
  margin: 14px 0 32px;
}

.blog-modal-body p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 20px;
}

@media (max-width: 520px) {
  .blog-modal-box { padding: 80px 20px 80px; }
  .blog-modal-title { font-size: 24px; }
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 640px;
  margin-bottom: 28px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  background: var(--panel-2);
  border: 1px solid rgba(243, 243, 242, 0.08);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  transition: border-color .2s, transform .15s;
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--panel);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.contact-value {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  word-break: break-word;
}

.map-embed {
  max-width: 640px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-2);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

@media (max-width: 520px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- BOOKING FORM ---------- */
.booking-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 420px;
  margin-top: 24px;
}

.booking-form input,
.booking-form textarea {
  background: var(--panel-2);
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  resize: none;
}

.booking-form input:focus,
.booking-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.submit-btn {
  background: var(--accent);
  color: #101010;
  border: none;
  padding: 14px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s;
}
.submit-btn:hover { transform: translateY(-2px); }

/* ---------- OVERLAY (mobile menu) ---------- */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 20;
}
.overlay.show { display: block; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .app {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .mobile-header { display: flex; }

  .sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    height: 100vh;
    width: 260px;
    z-index: 40;
    transition: left .3s ease;
    border-radius: 0 var(--radius) var(--radius) 0;
  }

  .sidebar.show {
    left: 0;
  }

  .content {
    width: 100%;
    height: calc(100vh - var(--gap) * 3 - 68px);
  }
}

@media (max-width: 700px) {
  .about-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "title"
      "photo"
      "text";
    justify-items: center;
    text-align: center;
    row-gap: 24px;
  }

  .about-photo {
    width: 280px;
    max-width: 100%;
  }

  .portfolio-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 14px;
    max-width: 100%;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .portfolio-grid::-webkit-scrollbar {
    display: none;
  }

  .portfolio-item {
    flex: 0 0 65%;
    scroll-snap-align: start;
  }

  .seminar-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .app { padding: 14px; gap: 14px; }
  .view-box { padding: 32px 26px; }
  .view-title { font-size: 26px; }
  .about-photo { width: 220px; }

  .portfolio-item {
    flex: 0 0 78%;
  }
}