* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", "Montserrat", "Segoe UI", sans-serif;
}

:root {
  --primary: #e63946;
  --primary-dark: #d62828;
  --primary-light: rgba(230, 57, 70, 0.12);
  --dark: #ffffff;
  --darker: #1d3557;
  --light: #f8f9fa;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #ffffff;
  --gray-500: #111111;
  --gray-600: #334155;
  --gray-800: #0f172a;
  --error: #ef4444;
  --error-bg: #fef2f2;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --info: #3b82f6;
  --info-bg: #eff6ff;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
  min-height: 100vh;
}

.desktop-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  background: var(--light);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.2);
}

.nav {
  background: var(--white);
  padding: 18px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 14px;
}

.nav-logo {
  font-size: 26px;
  font-weight: 800;
  color: var(--darker);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo span {
  background: var(--primary);
  color: var(--white);
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: 19px;
  transition: var(--transition);
}

.nav-logo:hover span {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.nav-link.active {
  background: var(--primary);
  color: var(--white);
}

.btn-nav {
  background: var(--primary);
  color: var(--white);
  padding: 10px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-nav:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

.btn-nav-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 8px 20px;
}

.btn-nav-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 30px;
  cursor: pointer;
  color: var(--gray-800);
  padding: 10px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.7);
  z-index: 200;
  animation: fadeIn 0.4s ease;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-content {
  background: var(--white);
  width: 75%;
  max-width: 300px;
  height: 100%;
  padding: 28px;
  animation: slideInLeft 0.4s ease;
}

.mobile-menu-close {
  float: right;
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  margin-bottom: 28px;
  color: var(--gray-600);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero {
  background: linear-gradient(145deg, #1d3557 0%, #0b1320 100%);
  color: var(--white);
  padding: 70px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -60%;
  width: 220%;
  height: 220%;
  background: radial-gradient(
    circle,
    rgba(230, 57, 70, 0.08) 0%,
    transparent 65%
  );
}

.hero h1 {
  font-size: 52px;
  font-weight: 900;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.5px;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 21px;
  color: rgba(255,255,255,0.85);
  max-width: 650px;
  margin: 0 auto 36px;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.btn-hero {
  background: var(--primary);
  color: var(--white);
  padding: 18px 36px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-hero:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(230, 57, 70, 0.35);
}

.btn-hero-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
  padding: 16px 34px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-hero-outline:hover {
  background: var(--white);
  color: var(--darker);
  transform: translateY(-4px);
}

.about-section {
  padding: 70px 24px;
  background: var(--white);
}

.section-title {
  text-align: center;
  font-size: 38px;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 18px;
}

.section-subtitle {
  text-align: center;
  font-size: 19px;
  color: var(--gray-600);
  margin-bottom: 54px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 28px;
  max-width: 1050px;
  margin: 0 auto;
}

.feature-card {
  background: var(--gray-100);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.feature-icon {
  font-size: 44px;
  margin-bottom: 18px;
  display: block;
}

.feature-card h3 {
  font-size: 21px;
  color: var(--gray-800);
  margin-bottom: 14px;
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.7;
}

.advantages-section {
  padding: 70px 24px;
  background: var(--gray-100);
}

.advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1050px;
  margin: 0 auto;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  transition: var(--transition);
  border-left: 4px solid transparent;
}

.advantage-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
  border-left-color: var(--primary);
}

.advantage-number {
  background: var(--primary);
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  flex-shrink: 0;
}

.advantage-text h4 {
  font-size: 18px;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.advantage-text p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
}

.gallery-section {
  padding: 70px 24px;
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/10;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
  color: var(--white);
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  font-size: 19px;
  margin-bottom: 6px;
}

.gallery-overlay p {
  font-size: 15px;
  opacity: 0.85;
}

.cta-section {
  padding: 80px 24px;
  background: linear-gradient(135deg, var(--darker) 0%, #1e293b 100%);
  color: var(--white);
  text-align: center;
}

.cta-section h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 19px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
}

.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 48px 24px;
  text-align: center;
}

.footer-content {
  max-width: 1050px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 36px;
  text-align: left;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 19px;
}

.footer-column a {
  color: #94a3b8;
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.auth-container {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 44px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.6s ease;
}

.auth-logo {
  font-size: 34px;
  font-weight: 800;
  color: var(--darker);
  text-align: center;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.auth-logo span {
  background: var(--primary);
  color: var(--white);
  padding: 6px 16px;
  border-radius: var(--radius-md);
  font-size: 22px;
}

.subtitle {
  text-align: center;
  color: var(--gray-600);
  margin-bottom: 36px;
  font-size: 16px;
}

.input-group {
  margin-bottom: 22px;
  position: relative;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}

input,
select,
textarea {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 16px;
  transition: var(--transition);
  outline: none;
  background: var(--gray-100);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
  background: var(--white);
}

input.error {
  border-color: var(--error);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
  animation: shake 0.4s ease;
}

textarea {
  resize: vertical;
  min-height: 90px;
  font-family: inherit;
}

.btn {
  width: 100%;
  padding: 18px;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-md);
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
  margin-top: 24px;
  text-transform: uppercase;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(230, 57, 70, 0.25);
}

.btn:active {
  transform: scale(0.97);
}

.error-message {
  color: var(--error);
  font-size: 13px;
  margin-top: 6px;
  display: none;
  align-items: center;
  gap: 6px;
}

.error-message.show {
  display: flex;
  animation: fadeIn 0.4s ease;
}

.auth-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-top: 18px;
  display: none;
  animation: fadeIn 0.4s;
  text-align: center;
  font-weight: 600;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.link-text {
  text-align: center;
  margin-top: 26px;
  color: var(--gray-600);
  font-size: 15px;
}

.link-text a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.3s;
}

.link-text a:hover {
  color: var(--primary-dark);
}

.dashboard {
  max-width: 850px;
  margin: 0 auto;
  padding: 30px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.dashboard-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--gray-800);
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  animation: slideIn 0.4s ease;
  border: 1px solid var(--gray-200);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.status {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-new {
  background: var(--info-bg);
  color: var(--info);
}

.status-confirmed {
  background: var(--success-bg);
  color: var(--success);
}

.status-rejected {
  background: var(--error-bg);
  color: var(--error);
}

.fab {
  position: fixed;
  bottom: 35px;
  right: 35px;
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--white);
  box-shadow: 0 6px 16px rgba(230, 57, 70, 0.4);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  z-index: 99;
}

.fab:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 24px rgba(230, 57, 70, 0.5);
}

.fab:active {
  transform: scale(0.95);
}

.admin-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  animation: slideIn 0.4s ease;
  border: 1px solid var(--gray-200);
}

.search-box {
  margin-bottom: 24px;
}

.search-box input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 16px;
}

.status-select {
  margin-top: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
  font-size: 15px;
  width: 100%;
  margin-bottom: 10px;
}

.btn-sm {
  background: var(--primary);
  border: none;
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  font-size: 14px;
}

.btn-sm:hover {
  background: var(--primary-dark);
}

.empty-state {
  text-align: center;
  padding: 70px 24px;
  color: var(--gray-600);
  animation: fadeIn 0.6s ease;
}

.empty-state-icon {
  font-size: 54px;
  margin-bottom: 18px;
}

.loading-spinner {
  width: 46px;
  height: 46px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 46px auto;
}

.notification {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--darker);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes zoomIn {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@media (max-width: 768px) {
  .desktop-container { box-shadow: none; }
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 38px; }
  .hero p { font-size: 17px; }
  .section-title { font-size: 32px; }
  .features-grid, .advantages-list { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .auth-card { padding: 30px; border-radius: var(--radius-lg); }
  .dashboard { padding: 20px; }
  .fab { bottom: 24px; right: 24px; }
  .footer-content { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 48px 20px; }
  .hero h1 { font-size: 30px; }
  .hero-buttons { flex-direction: column; }
  .btn-hero, .btn-hero-outline { width: 100%; text-align: center; }
  .gallery-grid { grid-template-columns: 1fr; }
}