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

/* ---- THEME VARIABLES ---- */
:root {
  --primary-color: rgb(255, 125, 0);
  --hover-color: rgb(255, 125, 0);
  --background-color: #ffffff;
  --surface-color: #f9fafb;
  --text-color: #1f2937;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --card-bg: #ffffff;
  --navbar-bg: #1f2937;
  --navbar-text: #f9fafb;
  --btn-primary-bg: rgb(255, 125, 0);
  --btn-secondary-bg: #6b7280;
  --btn-donate-bg: #f97316;
  --btn-donate-hover: #ea580c;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
  --search-bg: #ffffff;
  --search-border: #e5e7eb;
  --btn-dark-bg: #24292f;
}

[data-theme='dark'] {
  --primary-color: rgb(255, 125, 0);
  --hover-color: rgb(255, 125, 0);
  --background-color: #111827;
  --surface-color: #1f2937;
  --text-color: #f9fafb;
  --text-secondary: #d1d5db;
  --border-color: #374151;
  --card-bg: #1f2937;
  --navbar-bg: #111827;
  --navbar-text: #f9fafb;
  --btn-primary-bg: rgb(255, 125, 0);
  --btn-secondary-bg: #4b5563;
  --btn-donate-bg: #f97316;
  --btn-donate-hover: #ea580c;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  --search-bg: #1f2937;
  --search-border: #374151;
  --btn-dark-bg: #2d3a4a;
}

/* ---- GLOBAL STYLES ---- */
body {
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition:
    background 0.2s,
    color 0.2s;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- NAVBAR ---- */
.navbar {
  background: var(--navbar-bg);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.navbar-brand img {
  width: 48px;
  height: 48px;
  transition: transform 0.6s;
}
.navbar-brand:hover img {
  transform: rotate(360deg);
}
.navbar-toggler {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--navbar-text);
  font-size: 1.5rem;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
}
.navbar-nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  align-items: center;
}
.nav-link {
  color: var(--navbar-text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  transition: background 0.2s;
}
.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, 0.15);
}
.nav-donate {
  color: var(--navbar-text);
}

/* ---- CONTROLS & DROPDOWNS ---- */
.controls {
  display: flex;
  gap: 1rem;
}
.dropdown {
  position: relative;
}
.dropdown-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  cursor: pointer;
  color: var(--navbar-text);
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 0.25rem;
  display: none;
  min-width: 120px;
  z-index: 1001;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
[data-theme='dark'] .dropdown-menu {
  background: #1f2937;
  border-color: #374151;
}
.dropdown-menu.show {
  display: block;
}
.dropdown-item {
  display: block;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  border-radius: 0.5rem;
  color: #1f2937;
  text-decoration: none;
  font-size: 0.9rem;
}
[data-theme='dark'] .dropdown-item {
  color: #f3f4f6;
}
.dropdown-item.active {
  background: var(--primary-color);
  color: #ffffff;
}
[data-theme='dark'] .dropdown-item.active {
  background: var(--primary-color);
}
.dropdown-item:hover:not(.active) {
  background: #f3f4f6;
}
[data-theme='dark'] .dropdown-item:hover:not(.active) {
  background: #374151;
}

/* ---- HERO & HOMEPAGE ---- */
.hero {
  max-width: 800px;
  margin: 2rem auto;
  text-align: center;
  background: var(--card-bg);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}
.logo-large {
  max-width: 220px;
  width: 100%;
  margin-bottom: 1rem;
  transition: transform 0.3s;
}
.logo-large:hover {
  transform: scale(1.05);
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}
.lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.lead:last-of-type {
  margin-bottom: 2rem;
}
.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--btn-dark-bg);
  color: white;
  padding: 0.75rem 1.8rem;
  border-radius: 60px;
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 0.2s,
    filter 0.2s;
}
.btn-brand:hover {
  transform: translateY(-3px);
  filter: brightness(1.05);
}
.btn-gitverse {
  background: #4f46e5;
}
.btn-vk {
  background: #0077ff;
}
.btn-vk-video {
  background: red;
}
.brand-icon {
  width: 24px;
  height: 24px;
}
.brand-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* ---- BUTTONS (global) ---- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--btn-primary-bg);
  color: white;
}
.btn-secondary {
  background: var(--btn-secondary-bg);
  color: white;
}
.btn-donate {
  background: var(--btn-donate-bg);
  color: white;
}
.btn-primary:hover,
.btn-secondary:hover,
.btn-donate:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}
.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* ---- CARDS (generic) ---- */
.card {
  background: var(--card-bg);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
}
.card-img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: var(--surface-color);
  border-radius: 1rem;
  padding: 1rem;
}
.card-title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
}
.card-text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.card-additional {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

/* ---- PROJECTS PAGE ---- */
.card-grid-centered .card {
  text-align: center;
}
.card-grid-centered .card-img {
  margin: 0 auto;
  display: block;
}
.card-grid-centered .card-additional .btn {
  display: inline-block;
  margin-top: 0.75rem;
}
.card-grid {
  display: grid;
  gap: 2rem;
  margin: 2rem 0;
}
@media (min-width: 1060px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid-two {
    grid-template-columns: 1fr auto 1fr;
  }
  .card-grid-two .project-card:first-child {
    justify-self: start;
  }
  .card-grid-two .project-card:last-child {
    justify-self: end;
  }
}
@media (min-width: 700px) and (max-width: 1059px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 699px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}
.card-grid-single {
  grid-template-columns: 1fr !important;
  justify-items: center;
}
.card-grid-single .project-card {
  max-width: 400px;
}
.filter-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 2rem 0;
}
.filter-btn {
  background: transparent;
  border: 2px solid var(--primary-color);
  padding: 0.5rem 1.2rem;
  border-radius: 2rem;
  cursor: pointer;
  color: var(--primary-color);
  font-weight: 500;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-color);
  color: white;
}
.search-container {
  max-width: 600px;
  margin: 2rem auto;
}
.search-box {
  display: flex;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 3rem;
  padding: 0.25rem;
}
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.75rem 1rem;
  color: var(--text-color);
}
.search-btn {
  background: var(--primary-color);
  border: none;
  border-radius: 2rem;
  width: 44px;
  cursor: pointer;
  color: white;
}
.no-results {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}
.hidden {
  display: none !important;
}

/* ---- NEWS PAGE ---- */
.news-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.news-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.news-card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  background: var(--surface-color);
  border-radius: 1rem;
  padding: 0.75rem;
}

/* ---- MEMBERS PAGE ---- */
.member-card {
  max-width: 700px;
  margin: 3rem auto;
  text-align: center;
  align-items: center;
}
.member-img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary-color);
  margin-bottom: 1.5rem;
  align-self: center;
}
.member-contacts-inline {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border-color);
}
.contacts-list-vertical {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
}
.contact-chip {
  background: var(--surface-color);
  padding: 0.6rem 1.2rem;
  border-radius: 3rem;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.contact-chip:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* ---- SUPPORT PAGE ---- */
.support-content {
  max-width: 700px;
  margin: 3rem auto;
  text-align: center;
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}
.support-email {
  display: inline-block;
  background: var(--surface-color);
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  margin: 1rem 0;
  transition: all 0.2s;
}
.support-email:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* ---- DONATE PAGE ---- */
.donate-card {
  max-width: 800px;
  margin: 3rem auto;
  background: var(--card-bg);
  border-radius: 2rem;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.donate-header {
  background: linear-gradient(135deg, var(--primary-color), var(--hover-color));
  padding: 2rem;
  text-align: center;
  color: white;
}
.donate-header h1 {
  margin: 0.5rem 0;
  font-size: 2.2rem;
  background: none;
  color: white;
}
.donate-body {
  padding: 2rem;
}
.donate-body p {
  margin-bottom: 1rem;
}
.donate-body p:last-child {
  margin-bottom: 0;
}
.donate-footer {
  padding: 1.5rem 2rem 2rem;
  text-align: center;
  background: var(--surface-color);
  border-top: 1px solid var(--border-color);
}
.btn-donate-glow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--btn-donate-bg);
  font-size: 1.3rem;
  font-weight: bold;
  padding: 1rem 2rem;
  border-radius: 60px;
  text-decoration: none;
  transition: all 0.3s;
  color: white !important;
}
.btn-donate-glow:hover {
  transform: scale(1.05);
  background: var(--btn-donate-hover);
  color: white !important;
}
.secure-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ---- FOOTER & UTILITIES ---- */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}
.text-muted {
  opacity: 0.7;
}
.mt-5 {
  margin-top: 3rem !important;
}
.mb-5 {
  margin-bottom: 3rem !important;
}
.my-4 {
  margin: 2rem 0;
}
.mb-3 {
  margin-bottom: 1rem;
}

/* ---- MOBILE RESPONSIVE ---- */
@media (max-width: 860px) {
  .navbar .container {
    justify-content: flex-start;
  }
  .navbar-toggler {
    display: block;
    margin-left: auto;
    margin-right: 10px;
    z-index: 1002;
  }
  .controls {
    z-index: 1002;
  }
  .navbar-nav {
    order: 3;
    width: 100%;
    overflow: hidden;
    max-height: 0;
    transition:
      max-height 0.4s ease,
      padding 0.3s ease,
      opacity 0.3s ease;
    opacity: 0;
    margin-top: 0;
    gap: 0;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .navbar-nav.active {
    max-height: 400px;
    opacity: 1;
    padding-top: 1rem;
    padding-bottom: 0.5rem;
    gap: 0.4rem;
  }
  .navbar-nav .nav-link {
    padding: 0.5rem 0.5rem;
    border-radius: 0.5rem;
    text-align: center;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  .nav-item {
    width: 100%;
  }
  .news-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
}