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

:root {
  --color-bg:          #0a0a0a;
  --color-surface:     #141414;
  --color-surface-2:   #1e1e1e;
  --color-border:      #2c2c2c;
  --color-text:        #f2f2f2;
  --color-text-muted:  #9a9a9a;
  --color-primary:     #ffc61a;
  --color-primary-h:   #ffd552;
  --color-on-primary:  #0a0a0a;
  --color-accent:      #ffc61a;
  --color-danger:      #ff4d6d;
  --color-danger-h:    #e63352;
  --color-success:     #00c986;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 40px rgba(255,198,26,0.2);

  --transition: 0.2s ease;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
}
.btn--primary:hover {
  background: var(--color-primary-h);
  box-shadow: 0 0 24px rgba(255,198,26,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.btn--danger {
  background: transparent;
  color: var(--color-danger);
  border: 1.5px solid var(--color-danger);
}
.btn--danger:hover {
  background: var(--color-danger);
  color: #fff;
}

.btn--sm { padding: 6px 14px; font-size: 0.8125rem; }
.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 20px;
}
.alert--error   { background: rgba(255,77,109,0.1); border: 1px solid rgba(255,77,109,0.3); color: #ff8fa3; }
.alert--success { background: rgba(0,201,134,0.1); border: 1px solid rgba(0,201,134,0.3); color: var(--color-success); }

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-label  { font-size: 0.875rem; font-weight: 500; color: var(--color-text-muted); }
.required    { color: var(--color-danger); }

.form-input {
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 0.9375rem;
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255,198,26,0.15);
}
.form-textarea { resize: vertical; min-height: 100px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   FILE DROP
   ============================================================ */
.file-drop {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.file-drop:hover,
.file-drop.dragover {
  border-color: var(--color-primary);
  background: rgba(255,198,26,0.05);
}
.file-drop__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.file-drop__content { pointer-events: none; }
.file-drop__content svg { margin: 0 auto 12px; color: var(--color-text-muted); }
.file-drop__content p { color: var(--color-text-muted); font-size: 0.875rem; }
.file-drop__browse { color: var(--color-primary); text-decoration: underline; }
.file-drop__hint { font-size: 0.75rem !important; margin-top: 4px; }

.file-drop__preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.file-drop__preview img { max-height: 120px; border-radius: var(--radius-sm); object-fit: contain; }
.file-drop__remove {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  font-size: 0.8125rem;
  text-decoration: underline;
}

.logo-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.logo-preview__img { width: 56px; height: 56px; object-fit: contain; border-radius: var(--radius-sm); }
.logo-preview__label { font-size: 0.8125rem; color: var(--color-text-muted); }

/* ============================================================
   SITE HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo { display: flex; align-items: center; gap: 10px; }
.nav__logo-mark { width: 36px; height: 36px; display: block; }
.nav__logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav__link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav__link:hover { color: var(--color-text); }

@media (max-width: 480px) {
  .nav__links { gap: 16px; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(255,198,26,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content { position: relative; }

.hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #aaaacc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================================
   PROJECTS GRID
   ============================================================ */
.projects { padding: 0 0 96px; }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.project-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px;
  text-decoration: none;
  color: inherit;
}

.project-card__logo-wrap {
  margin-bottom: 20px;
}

.project-card__logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  padding: 8px;
}

.project-card__logo-placeholder {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
}

.project-card__body { flex: 1; }

.project-card__name {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  color: var(--color-text);
}

.project-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card__footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.project-card__cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.project-card:hover .project-card__cta { gap: 10px; }

.projects__empty {
  text-align: center;
  padding: 80px 0;
  color: var(--color-text-muted);
}

/* ============================================================
   ABOUT STRIP
   ============================================================ */
.about-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 64px 0;
}

.about-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.about-strip__title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.about-strip__body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.about-strip__cta { flex-shrink: 0; }

@media (max-width: 768px) {
  .about-strip__inner { flex-direction: column; align-items: flex-start; }
  .about-strip__cta { width: 100%; }
  .about-strip__cta .btn { width: 100%; justify-content: center; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer__brand { display: flex; align-items: center; gap: 10px; }
.footer__logo { width: 28px; height: 28px; display: block; }
.footer__meta { text-align: right; display: flex; flex-direction: column; gap: 4px; }
.footer__copy, .footer__tagline {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.footer__contact {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.footer__contact a { color: var(--color-primary); transition: color var(--transition); }
.footer__contact a:hover { color: var(--color-primary-h); }
.footer__dot { margin: 0 8px; color: var(--color-border); }

@media (max-width: 600px) {
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__meta { text-align: center; }
}

/* ============================================================
   AUTH PAGE
   ============================================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--color-bg);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.auth-card__header { text-align: center; margin-bottom: 32px; }

.auth-card__logo {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-bottom: 16px;
}

.auth-card__title {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.auth-form .btn--primary { margin-top: 8px; padding: 12px; font-size: 0.9375rem; }

/* ============================================================
   ADMIN LAYOUT
   ============================================================ */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.admin-sidebar__brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-sidebar__logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-sidebar__badge {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255,198,26,0.15);
  color: var(--color-primary);
}

.admin-sidebar__nav { padding: 16px 12px; flex: 1; }

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font);
}
.admin-nav-link:hover { background: var(--color-surface-2); color: var(--color-text); }
.admin-nav-link--active { background: rgba(255,198,26,0.12); color: var(--color-primary); }
.admin-nav-link--logout { color: var(--color-danger); }
.admin-nav-link--logout:hover { background: rgba(255,77,109,0.08); color: var(--color-danger); }

.admin-sidebar__logout { padding: 12px; border-top: 1px solid var(--color-border); }

/* Main area */
.admin-main {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  min-width: 0;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.admin-topbar__title {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.admin-topbar__back {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Card */
.admin-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.admin-card--form { padding: 32px; }

.admin-hint {
  padding: 12px 20px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* Table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}
.admin-table__row td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  font-size: 0.875rem;
}
.admin-table__row:last-child td { border-bottom: none; }
.admin-table__row { transition: background var(--transition); }
.admin-table__row:hover { background: var(--color-surface-2); }
.admin-table__row.sortable-ghost { opacity: 0.4; background: rgba(255,198,26,0.08); }

.admin-table__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  padding: 4px;
}
.admin-table__logo-placeholder {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}
.admin-table__name { font-weight: 500; }
.admin-table__link {
  color: var(--color-primary);
  font-size: 0.8125rem;
  max-width: 260px;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.admin-table__link:hover { text-decoration: underline; }
.admin-table__actions { display: flex; gap: 8px; align-items: center; }

.drag-handle {
  cursor: grab;
  color: var(--color-border);
  padding-left: 8px;
}
.drag-handle:active { cursor: grabbing; }

.admin-empty {
  padding: 64px 32px;
  text-align: center;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* ============================================================
   ERROR PAGE
   ============================================================ */
.error-page {
  padding: 120px 0;
  text-align: center;
}
.error-page__title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.error-page__message {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

/* ============================================================
   RESPONSIVE — ADMIN
   ============================================================ */
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
  }
  .admin-sidebar__brand { border-bottom: none; border-right: 1px solid var(--color-border); padding: 12px 16px; }
  .admin-sidebar__nav { padding: 8px; display: flex; flex: 1; }
  .admin-sidebar__logout { padding: 8px; border-top: none; border-left: 1px solid var(--color-border); }
  .admin-main { padding: 20px 16px; }
  .admin-topbar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .admin-table__link { max-width: 140px; }
}

@media (max-width: 480px) {
  .projects__grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero {
  padding: 80px 0 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(255,198,26,0.10) 0%, transparent 70%);
  pointer-events: none;
}
.about-hero__content { position: relative; }
.about-hero__logo { width: 88px; height: 88px; margin: 0 auto 24px; }

.about-content { padding: 24px 0 72px; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.about-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.about-block__title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--color-primary);
}
.about-block__body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Contact strip */
.contact-strip {
  padding: 0 0 96px;
}
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.contact-card__title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.contact-card__body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  max-width: 460px;
}
.contact-card__email {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition);
}
.contact-card__email:hover { color: var(--color-primary-h); }
.contact-card__cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}
.contact-card__cta .btn { justify-content: center; min-width: 160px; }

@media (max-width: 768px) {
  .contact-card { flex-direction: column; align-items: flex-start; padding: 32px; }
  .contact-card__cta { width: 100%; }
  .contact-card__cta .btn { width: 100%; }
}