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

:root {
  --primary: #1a1a2e;
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --bg: #ffffff;
  --bg-light: #f8f9fa;
  --text: #1f2937;
  --text-light: #6b7280;
  --white: #ffffff;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

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

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

/* ===== UTILITY ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 48px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

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

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

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

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  padding: 0 24px;
  box-shadow: var(--shadow);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  background: var(--primary);
  color: var(--white);
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 48px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

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

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ===== SERVICES ===== */
.services {
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.service-card-img {
  width: 100%;
  height: 180px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--bg-light);
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.service-card .marketplace-links {
  margin-top: 12px;
  display: flex;
  gap: 16px;
}

.service-card .marketplace-links a {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-card .marketplace-links a:hover {
  text-decoration: underline;
}

/* ===== ABOUT ===== */
.about .container {
  display: flex;
  align-items: center;
  gap: 48px;
}

.about-content {
  flex: 1;
}

.about-content p {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
}

.about-image {
  flex: 1;
  max-width: 480px;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ===== CATEGORIES ===== */
.categories {
  background: var(--bg-light);
}

.categories-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.category-tag {
  background: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  transition: border-color 0.2s, color 0.2s;
}

.category-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-left p {
  font-size: 0.9rem;
  margin-top: 8px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ===== CONTACT PAGE ===== */
.contact-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form h2,
.contact-info h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d1d5db;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  transition: border-color 0.2s;
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-success {
  display: none;
  background: #d1fae5;
  color: #065f46;
  padding: 16px;
  border-radius: var(--radius);
  font-weight: 600;
  margin-top: 16px;
}

.contact-info-item {
  margin-bottom: 24px;
}

.contact-info-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.contact-info-item p,
.contact-info-item a {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-info-item a:hover {
  color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }

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

  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 320px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .about .container {
    flex-direction: column;
  }

  .about-image {
    max-width: 100%;
  }

  .contact-section .container {
    grid-template-columns: 1fr;
  }

  .footer .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }
}