:root {
  --primary: #f4b400;
  --primary-dark: #d89d00;
  --secondary: #0f172a;
  --accent: #1e293b;
  --light: #f8fafc;
  --gray: #64748b;
  --dark-gray: #334155;
  --white: #ffffff;
  --border: #e2e8f0;
  --success: #16a34a;
  --danger: #dc2626;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.18);
  --radius: 18px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  color: var(--secondary);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.section {
  padding: 85px 0;
}

.light-bg {
  background: var(--light);
}

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  transition: 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #f4b400, #ffd54f);
  color: var(--secondary);
  box-shadow: 0 8px 18px rgba(244, 180, 0, 0.22);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #d89d00, #f4b400);
  transform: translateY(-2px);
}

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

.btn-dark:hover {
  background: #020617;
  transform: translateY(-2px);
}

.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 45px;
}

.section-title span {
  color: var(--primary-dark);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
}

.section-title h2 {
  font-size: clamp(30px, 4vw, 44px);
  margin: 8px 0 12px;
  line-height: 1.15;
}

.section-title p {
  color: var(--gray);
  font-size: 17px;
}

header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.navbar {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.3px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #f4b400, #ffd54f);
  border-radius: 14px;
  color: var(--secondary);
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(244, 180, 0, 0.28);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-size: 18px;
  color: var(--white);
}

.logo-text span {
  font-size: 11px;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  font-weight: 700;
}

.nav-links a {
  color: #e2e8f0;
  font-size: 15px;
  transition: 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links .btn {
  padding: 12px 22px;
  border-radius: 999px;
}

.nav-links .btn-primary {
  color: var(--secondary);
}

.menu-toggle {
  display: none;
  font-size: 30px;
  color: var(--white);
  cursor: pointer;
}

.hero {
  background:
    linear-gradient(rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.82)),
    url("[images.unsplash.com](https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1600&q=80)");
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 120px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.05;
  margin-bottom: 20px;
}

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

.hero-content p {
  font-size: 19px;
  color: #e2e8f0;
  margin-bottom: 28px;
  max-width: 700px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.hero-card h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.hero-card p {
  color: #e2e8f0;
}

.page-hero {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: var(--white);
  padding: 85px 0;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: 12px;
}

.page-hero p {
  color: #cbd5e1;
  font-size: 18px;
  max-width: 760px;
  margin: 0 auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
  transition: 0.3s ease;
}

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

.icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: rgba(244, 180, 0, 0.14);
  color: var(--primary-dark);
  font-size: 28px;
  margin-bottom: 18px;
  font-weight: 900;
}

.card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.card p {
  color: var(--gray);
}

.about-grid,
.contact-grid,
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-img {
  width: 100%;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.check-list,
.info-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.check-list li {
  font-weight: 700;
  color: var(--dark-gray);
}

.check-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 900;
  margin-right: 10px;
}

.info-list li {
  color: var(--gray);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.stat-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}

.stat-box h3 {
  color: var(--primary-dark);
  font-size: 30px;
  margin-bottom: 8px;
}

.stat-box p {
  color: var(--gray);
  font-size: 14px;
}

.price-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 20px 0;
  color: var(--dark-gray);
}

.price-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 900;
  margin-right: 9px;
}

.featured {
  border: 2px solid var(--primary);
  position: relative;
}

.badge {
  position: absolute;
  top: -16px;
  right: 24px;
  background: var(--primary);
  color: var(--secondary);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

th,
td {
  padding: 16px;
  text-align: left;
  border-top: 1px solid var(--border);
}

th {
  background: var(--secondary);
  color: var(--white);
  border-top: none;
}

form {
  background: var(--light);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 7px;
  color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  outline: none;
  font-family: inherit;
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(244, 180, 0, 0.15);
}

.contact-info {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: var(--white);
  border-radius: var(--radius);
  padding: 35px;
  box-shadow: var(--shadow-lg);
}

.contact-info h3 {
  font-size: 28px;
  margin-bottom: 15px;
}

.contact-info p {
  color: #cbd5e1;
  margin-bottom: 20px;
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 16px;
  color: #e2e8f0;
}

.cta-dark {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: var(--white);
  text-align: center;
}

.cta-dark p {
  color: #cbd5e1;
  max-width: 760px;
  margin: 0 auto 24px;
  font-size: 18px;
}

footer {
  background: #020617;
  color: var(--white);
  padding: 55px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 35px;
}

.footer-col h3,
.footer-col h4 {
  margin-bottom: 16px;
}

.footer-col p,
.footer-col a {
  color: #94a3b8;
  display: block;
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  text-align: center;
  color: #94a3b8;
  font-size: 14px;
}

.notice-success {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 14px 16px;
  border-radius: 12px;
}

.notice-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  padding: 14px 16px;
  border-radius: 12px;
}

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3,
  .grid-2,
  .footer-grid,
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 0;
    top: 82px;
    width: 100%;
    background: #0f172a;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 8%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
    gap: 18px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    color: #f8fafc;
  }

  .logo-text strong {
    font-size: 16px;
  }

  .logo-text span {
    font-size: 10px;
  }
}

@media (max-width: 760px) {
  .grid-4,
  .grid-3,
  .grid-2,
  .footer-grid,
  .stat-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 65px 0;
  }

  form,
  .contact-info,
  .hero-card {
    padding: 24px;
  }

  .hero {
    padding: 90px 0;
  }

  .hero-content h1 {
    font-size: 38px;
  }

  .hero-content p,
  .page-hero p,
  .cta-dark p {
    font-size: 16px;
  }

  .logo {
    gap: 10px;
  }

  .logo-icon {
    width: 42px;
    height: 42px;
    font-size: 20px;
  }

  .logo-text strong {
    font-size: 14px;
  }

  .logo-text span {
    letter-spacing: 1px;
  }
}