/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:  #F97316;
  --orange2: #EA6C0A;
  --dark:    #111827;
  --dark2:   #1F2937;
  --mid:     #374151;
  --light:   #F9FAFB;
  --white:   #FFFFFF;
  --text:    #4B5563;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(0,0,0,.15);
  --trans:   .3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

.orange { color: var(--orange); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--trans), box-shadow var(--trans), background var(--trans), opacity var(--trans);
  text-align: center;
  white-space: nowrap;
}
.btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange2); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--dark); }

.btn-dark { background: var(--dark); color: var(--white); }
.btn-dark:hover { background: var(--dark2); }

.btn-sm { padding: 10px 22px; font-size: .85rem; margin-top: 12px; }

.btn-ghost {
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange);
}
.btn-ghost:hover { background: var(--orange); color: var(--white); }

.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ── Navbar ───────────────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--trans), box-shadow var(--trans), padding var(--trans);
}
#navbar.scrolled {
  background: rgba(17,24,39,.96);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img { height: 56px; object-fit: contain; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: var(--white);
  font-weight: 500;
  font-size: .9rem;
  padding: 8px 16px;
  border-radius: 50px;
  transition: background var(--trans), color var(--trans);
}
.nav-links a:hover { background: rgba(255,255,255,.12); }
.nav-links .nav-cta {
  background: var(--orange);
  font-weight: 600;
}
.nav-links .nav-cta:hover { background: var(--orange2); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--trans);
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

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

.hero-slides { position: absolute; inset: 0; }

.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(17,24,39,.75) 0%, rgba(17,24,39,.5) 60%, rgba(249,115,22,.15) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 800px;
}

.hero-tagline {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  margin-bottom: 12px;
  animation: fadeUp .8s .2s both;
}

.hero-title {
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 8px;
  animation: fadeUp .8s .4s both;
}
.hero-nice {
  font-family: 'Dancing Script', cursive;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--orange);
  letter-spacing: 0;
  font-weight: 700;
}

.hero-sub {
  font-size: 1.15rem;
  font-weight: 300;
  color: rgba(255,255,255,.85);
  margin-bottom: 40px;
  animation: fadeUp .8s .6s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp .8s .8s both;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block;
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--orange), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── Sections ─────────────────────────────────────────────────────────────── */
.section { padding: 96px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-dark .section-label { color: var(--orange); }
.section-dark .section-desc  { color: rgba(255,255,255,.65); }
.section-dark p               { color: rgba(255,255,255,.8); }

.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text);
  max-width: 600px;
}
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto 48px; }

/* ── About ────────────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-images {
  position: relative;
  height: 540px;
}
.about-img-main {
  position: absolute;
  top: 0; left: 0;
  width: 78%;
  height: 85%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }

.about-img-side {
  position: absolute;
  bottom: 0; right: 0;
  width: 52%;
  height: 52%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 4px solid var(--white);
}
.about-img-side img { width: 100%; height: 100%; object-fit: cover; }

.about-text p {
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: .98rem;
}

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid #E5E7EB;
}
.stat { text-align: center; }
.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 1px;
}

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

.course-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--trans), border-color var(--trans), box-shadow var(--trans);
  position: relative;
  overflow: hidden;
}
.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform var(--trans);
}
.course-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,.3); border-color: rgba(249,115,22,.3); }
.course-card:hover::before { transform: scaleX(1); }

.course-icon { font-size: 2.4rem; margin-bottom: 16px; }

.course-card h3 {
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.course-card p {
  color: rgba(255,255,255,.6) !important;
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 20px !important;
}

.course-info {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.course-info span {
  background: rgba(249,115,22,.15);
  color: var(--orange);
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(249,115,22,.3);
}

/* ── Gallery Preview ──────────────────────────────────────────────────────── */
.gallery-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-radius: var(--radius);
  overflow: hidden;
}
.gallery-preview-img {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--radius);
  position: relative;
}
.gallery-preview-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery-preview-img:hover img { transform: scale(1.06); }

.gallery-preview-overlay {
  position: absolute; inset: 0;
  background: rgba(17,24,39,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

/* ── Contact ──────────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.contact-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--trans), border-color var(--trans);
}
.contact-card:hover { transform: translateY(-4px); border-color: rgba(249,115,22,.3); }

.contact-icon { font-size: 2rem; margin-bottom: 12px; }
.contact-card h3 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.contact-card p  { color: rgba(255,255,255,.6) !important; font-size: .88rem; line-height: 1.7; margin: 0 !important; }

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
}
.map-container iframe {
  width: 100%;
  height: 320px;
  border: none;
  display: block;
}
.map-caption {
  background: var(--dark2);
  color: rgba(255,255,255,.6) !important;
  text-align: center;
  padding: 12px;
  font-size: .85rem;
  margin: 0 !important;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  background: #0B0F18;
  color: var(--white);
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo { height: 72px; object-fit: contain; margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,.5); font-size: .9rem; }

.footer-links h4, .footer-address h4 {
  font-size: .8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.footer-links li + li { margin-top: 8px; }
.footer-links a {
  color: rgba(255,255,255,.55);
  font-size: .9rem;
  transition: color var(--trans);
}
.footer-links a:hover { color: var(--orange); }
.footer-address p { color: rgba(255,255,255,.55); font-size: .9rem; line-height: 1.8; }

.footer-bottom {
  text-align: center;
  padding: 20px;
  color: rgba(255,255,255,.3);
  font-size: .8rem;
}

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Toast notifications ──────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: var(--dark);
  color: var(--white);
  padding: 14px 20px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
  border-left: 4px solid var(--orange);
  animation: toastIn .35s ease both;
  max-width: 340px;
}
.toast.error   { border-color: #EF4444; }
.toast.success { border-color: #22C55E; }
.toast.out     { animation: toastOut .35s ease both; }

@keyframes toastIn  { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(40px); } }

/* ── Auth Modal ───────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(10,14,23,.9);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn .25s ease;
}
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

.modal {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  animation: modalIn .35s ease;
}
@keyframes modalIn { from { opacity:0; transform: scale(.94) translateY(20px); } to { opacity:1; transform: none; } }

.modal-logo { height: 90px; object-fit: contain; margin: 0 auto 24px; }
.modal h2   { color: var(--white); font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.modal p    { color: rgba(255,255,255,.55); font-size: .9rem; margin-bottom: 28px; }

.input-group { position: relative; margin-bottom: 16px; }
.input-group input {
  width: 100%;
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 14px 48px 14px 16px;
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: .95rem;
  outline: none;
  transition: border-color var(--trans);
}
.input-group input:focus { border-color: var(--orange); }
.input-group input::placeholder { color: rgba(255,255,255,.3); }

.toggle-pw {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  color: rgba(255,255,255,.4);
  cursor: pointer; font-size: 1.1rem;
  padding: 4px;
}
.toggle-pw:hover { color: var(--orange); }

.modal .btn { width: 100%; margin-top: 4px; }

.modal-footer {
  margin-top: 20px;
  color: rgba(255,255,255,.3);
  font-size: .8rem;
}
.modal-footer a { color: var(--orange); }

/* ── Gallery page ─────────────────────────────────────────────────────────── */
.page-header {
  background: var(--dark);
  padding: 120px 0 56px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: url('/images/hero1.jpg') center/cover;
  opacity: .12;
}
.page-header .container { position: relative; }
.page-header h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; margin-bottom: 8px; }
.page-header p  { color: rgba(255,255,255,.6); font-size: 1rem; }

/* Classe utilitaire globale — essentielle pour masquer admin, modals, progress… */
.hidden { display: none !important; }

.gallery-app { min-height: 70vh; padding: 64px 0; }

.folders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.folder-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.folder-card:hover { transform: translateY(-5px); box-shadow: 0 16px 32px rgba(0,0,0,.25); border-color: rgba(249,115,22,.35); }
.folder-card[draggable="true"] { cursor: grab; }
.folder-card.dragging { opacity: .4; cursor: grabbing; transform: none; }
.folder-card .drag-handle {
  position: absolute;
  top: 8px; left: 8px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: .85rem;
  letter-spacing: -2px;
  padding: 4px 7px;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s;
}
.folder-card:hover .drag-handle { opacity: 1; }

.folder-thumb {
  aspect-ratio: 4/3;
  background: var(--mid);
  overflow: hidden;
  position: relative;
}
.folder-thumb img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.folder-card:hover .folder-thumb img { transform: scale(1.08); }
.folder-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}

.folder-info { padding: 16px; }
.folder-info h3 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.folder-info span { color: rgba(255,255,255,.4); font-size: .8rem; }

.photos-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.back-btn {
  background: rgba(255,255,255,.08);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50px;
  padding: 10px 20px;
  font-family: 'Poppins', sans-serif;
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  transition: background var(--trans), border-color var(--trans);
}
.back-btn:hover { background: rgba(249,115,22,.15); border-color: rgba(249,115,22,.4); color: var(--orange); }

.photos-header h2 { color: var(--white); font-size: 1.5rem; font-weight: 700; flex: 1; }
.photos-count     { color: rgba(255,255,255,.4); font-size: .9rem; }

.photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.photo-item {
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--dark2);
}
.photo-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.photo-item:hover img { transform: scale(1.08); }

.photo-item-overlay {
  position: absolute; inset: 0;
  background: rgba(17,24,39,.65);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity var(--trans);
  pointer-events: none;
}
.photo-item-overlay .photo-dl-btn { pointer-events: auto; }
.photo-item:hover .photo-item-overlay { opacity: 1; }

.photo-dl-btn {
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  font-family: 'Poppins', sans-serif;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans);
}
.photo-dl-btn:hover { background: var(--orange2); transform: scale(1.05); }

/* ── Lightbox ─────────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.98);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .2s ease;
}

.lightbox-inner {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-inner img {
  max-width: 100vw;
  max-height: 100vh;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(0,0,0,.5);
  border: none;
  color: rgba(255,255,255,.9);
  font-size: 1.6rem;
  cursor: pointer;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: color var(--trans), background var(--trans);
  z-index: 10;
  backdrop-filter: blur(4px);
}
.lightbox-close:hover { color: var(--white); background: rgba(249,115,22,.7); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.5);
  border: none;
  color: var(--white);
  font-size: 2rem;
  width: 56px; height: 56px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--trans);
  backdrop-filter: blur(4px);
  z-index: 10;
}
.lightbox-nav:hover { background: rgba(249,115,22,.7); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-actions {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
  align-items: center;
  background: rgba(0,0,0,.55);
  padding: 10px 20px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  z-index: 10;
}
.lightbox-counter { color: rgba(255,255,255,.85); font-size: .85rem; }
.lightbox-fs {
  background: rgba(255,255,255,.1);
  border: none;
  color: var(--white);
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--trans);
}
.lightbox-fs:hover { background: rgba(249,115,22,.7); }

/* ── Admin page ───────────────────────────────────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 80px); }

.admin-sidebar {
  background: var(--dark2);
  border-right: 1px solid rgba(255,255,255,.07);
  padding: 32px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-title {
  color: rgba(255,255,255,.4);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 0 24px 16px;
}
.sidebar-folder {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  cursor: pointer;
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  font-weight: 500;
  transition: background var(--trans), color var(--trans);
  border-left: 3px solid transparent;
}
.sidebar-folder:hover { background: rgba(255,255,255,.05); color: var(--white); }
.sidebar-folder.active { background: rgba(249,115,22,.12); color: var(--orange); border-left-color: var(--orange); }
.sidebar-folder-icon { font-size: 1.1rem; }
.sidebar-folder-count { margin-left: auto; background: rgba(255,255,255,.08); border-radius: 20px; padding: 2px 8px; font-size: .75rem; }

.admin-main { background: var(--dark); padding: 40px; overflow-y: auto; }

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
  flex-wrap: wrap;
}
.admin-toolbar h2 { color: var(--white); font-size: 1.5rem; font-weight: 700; }

.new-folder-form {
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 32px;
}
.new-folder-form input {
  flex: 1;
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(255,255,255,.1);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: .9rem;
  outline: none;
  transition: border-color var(--trans);
}
.new-folder-form input:focus { border-color: var(--orange); }
.new-folder-form input::placeholder { color: rgba(255,255,255,.3); }

/* ── Upload zone ──────────────────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed rgba(249,115,22,.35);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  background: rgba(249,115,22,.04);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  margin-bottom: 32px;
}
.upload-zone:hover, .upload-zone.dragging {
  border-color: var(--orange);
  background: rgba(249,115,22,.08);
}
.upload-icon { font-size: 3rem; margin-bottom: 12px; }
.upload-zone h3 { color: var(--white); font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.upload-zone p  { color: rgba(255,255,255,.4); font-size: .85rem; margin-bottom: 20px; }
.upload-zone input[type="file"] { display: none; }

.upload-progress { margin-bottom: 32px; }
.progress-bar-wrap {
  background: rgba(255,255,255,.08);
  border-radius: 50px;
  height: 8px;
  margin: 12px 0 6px;
  overflow: hidden;
}
.progress-bar {
  background: var(--orange);
  height: 100%;
  border-radius: 50px;
  transition: width .3s ease;
}
.progress-text { color: rgba(255,255,255,.5); font-size: .82rem; }

.admin-photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.admin-photo-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  background: var(--dark2);
}
.admin-photo-item img { width:100%; height:100%; object-fit:cover; }

.admin-photo-del {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(239,68,68,.85);
  color: var(--white);
  border: none;
  border-radius: 50%;
  width: 30px; height: 30px;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--trans), transform var(--trans);
  backdrop-filter: blur(4px);
}
.admin-photo-item:hover .admin-photo-del { opacity: 1; }
.admin-photo-del:hover { transform: scale(1.1); }

.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: rgba(255,255,255,.3);
}
.empty-state .empty-icon { font-size: 4rem; margin-bottom: 16px; }
.empty-state h3 { font-size: 1.1rem; color: rgba(255,255,255,.5); margin-bottom: 8px; }
.empty-state p  { font-size: .88rem; }

/* ── Loader ───────────────────────────────────────────────────────────────── */
.spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(249,115,22,.2);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 64px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid     { grid-template-columns: 1fr; }
  .about-images   { height: 380px; }
  .courses-grid   { grid-template-columns: repeat(2, 1fr); }
  .contact-grid   { grid-template-columns: repeat(2, 1fr); }
  .gallery-preview { grid-template-columns: repeat(2, 1fr); }
  .admin-layout   { grid-template-columns: 1fr; }
  .admin-sidebar  { position: static; height: auto; display: flex; flex-wrap: wrap; gap: 8px; padding: 16px; }
  .sidebar-title  { display: none; }
  .footer-inner   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container      { padding: 0 18px; }
  .nav-container  { padding: 0 18px; }
  .nav-logo img   { height: 44px; }
  .nav-toggle     { display: flex; }

  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 100vh;
    height: 100dvh;
    background: rgba(17,24,39,.98);
    backdrop-filter: blur(12px);
    padding: 96px 24px 32px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform .35s ease;
    pointer-events: none;
    opacity: 0;
  }
  .nav-links.open { transform: translateX(0); opacity: 1; pointer-events: auto; }
  .nav-links li   { width: 100%; }
  .nav-links a    {
    display: block;
    width: 100%;
    padding: 16px 20px;
    font-size: 1.05rem;
    border-radius: 12px;
    text-align: center;
  }
  .nav-links .nav-cta { margin-top: 12px; }

  body.nav-open { overflow: hidden; }

  .section         { padding: 64px 0; }
  .hero            { min-height: 520px; }
  .hero-sub        { font-size: 1rem; margin-bottom: 28px; }
  .hero-tagline    { font-size: .95rem; letter-spacing: 3px; }
  .hero-content    { padding: 0 20px; }

  .courses-grid    { grid-template-columns: 1fr; gap: 16px; }
  .contact-grid    { grid-template-columns: 1fr; gap: 16px; }
  .gallery-preview { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .footer-inner    { grid-template-columns: 1fr; gap: 28px; text-align: center; }

  .about-grid      { gap: 40px; }
  .about-images    { height: 320px; }
  .about-stats     { flex-direction: column; gap: 20px; }

  .btn             { padding: 14px 26px; font-size: .9rem; }
  .btn-sm          { padding: 10px 18px; }

  .lightbox-prev   { left: 8px; width: 44px; height: 44px; font-size: 1.6rem; }
  .lightbox-next   { right: 8px; width: 44px; height: 44px; font-size: 1.6rem; }
  .lightbox-close  { top: 12px; right: 12px; width: 40px; height: 40px; }
  .lightbox-actions { bottom: 14px; padding: 8px 14px; gap: 10px; }

  .admin-main      { padding: 20px; }
}

@media (max-width: 480px) {
  .section         { padding: 48px 0; }
  .hero            { min-height: 480px; }
  .hero-title      { letter-spacing: -1px; }
  .hero-actions    { flex-direction: column; align-items: stretch; gap: 12px; padding: 0 16px; }
  .hero-actions .btn { width: 100%; }
  .gallery-preview { grid-template-columns: 1fr 1fr; gap: 8px; }
  .photos-grid     { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .folders-grid    { grid-template-columns: 1fr; }
  .modal           { padding: 32px 22px; }
  .section-title   { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .page-header h1  { font-size: clamp(1.8rem, 8vw, 2.4rem); }
  .photos-header   { flex-wrap: wrap; gap: 10px; }
  .photos-header .btn { margin-left: 0 !important; }
}

/* Touch devices: always show photo overlay so download button is reachable */
@media (hover: none) {
  .photo-item-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(17,24,39,.75) 0%, rgba(17,24,39,0) 55%);
    padding: 8px;
  }
  .photo-item:hover img { transform: none; }
  .btn:hover            { transform: none; box-shadow: none; }
  .photo-dl-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    font-size: .75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }
}

@media (max-width: 480px) {
  .photo-dl-btn { width: 28px; height: 28px; font-size: .7rem; }
  .photo-item-overlay { padding: 6px; }
}