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

:root {
  --primary: #1a1a2e;
  --primary-light: #16213e;
  --accent: #0f3460;
  --accent-bright: #e94560;
  --text: #333;
  --text-light: #666;
  --white: #fff;
  --gray-bg: #f5f7fa;
  --border: #e0e0e0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--text);
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.center {
  text-align: center;
}

/* === Header & Nav === */
header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  height: 70px;
}

.logo {
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--white);
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
}

/* === Hero === */
.hero, .page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
}

.hero {
  min-height: 80vh;
}

.page-hero {
  min-height: 40vh;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.7);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 40px 20px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.hero-content p {
  font-size: 1.4rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* === Buttons === */
.btn {
  display: inline-block;
  background: var(--accent-bright);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--accent-bright);
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background: #d63050;
  border-color: #d63050;
  transform: translateY(-2px);
}

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

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

/* === Intro Section (Home) === */
.intro {
  padding: 80px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.intro-text h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.intro-text p {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 25px;
  line-height: 1.8;
}

.intro-image img {
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* === Services Preview (Home) === */
.services-preview {
  background: var(--gray-bg);
  padding: 80px 0;
}

.services-preview h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 50px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-bottom: 40px;
}

.service-card {
  background: var(--white);
  padding: 35px 25px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  border-top: 3px solid var(--accent-bright);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.service-card h3 {
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 1.15rem;
}

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

/* === About Content === */
.about-content {
  padding: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 18px;
}

.about-image img {
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* === Values Section === */
.values {
  background: var(--gray-bg);
  padding: 80px 0;
}

.values h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 50px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.value-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.value-card h3 {
  color: var(--primary);
  margin-bottom: 12px;
}

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

/* === CTA Section === */
.cta {
  background: var(--primary);
  color: var(--white);
  padding: 80px 0;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.cta p {
  opacity: 0.85;
  font-size: 1.1rem;
  margin-bottom: 30px;
}

/* === Services Detail === */
.services-detail {
  padding: 80px 0;
}

.service-detail-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}

.service-detail-card:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.service-detail-card.reverse {
  grid-template-columns: 1.2fr 0.8fr;
}

.service-detail-card.reverse .service-detail-image {
  order: 2;
}

.service-detail-card.reverse .service-detail-text {
  order: 1;
}

.service-detail-image img {
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.service-detail-text h2 {
  color: var(--primary);
  font-size: 1.7rem;
  margin-bottom: 15px;
}

.service-detail-text p {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.service-detail-text ul {
  list-style: none;
  padding: 0;
}

.service-detail-text ul li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--text-light);
}

.service-detail-text ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-bright);
  font-weight: bold;
}

/* === Quote Form === */
.quote-section {
  background: var(--gray-bg);
  padding: 80px 0;
}

.quote-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 50px 40px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.quote-form-wrapper h2 {
  color: var(--primary);
  font-size: 2rem;
  margin-bottom: 10px;
  text-align: center;
}

.quote-form-wrapper > p {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 30px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-bright);
}

.quote-form .btn {
  width: 100%;
}

/* === Footer === */
footer {
  background: var(--primary);
  color: var(--white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-info p {
  opacity: 0.7;
  font-size: 0.95rem;
}

.footer-contact h4,
.footer-nav h4 {
  margin-bottom: 15px;
  font-size: 1rem;
}

.footer-contact p {
  opacity: 0.7;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--accent-bright);
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-nav ul li {
  margin-bottom: 8px;
}

.footer-nav ul li a {
  opacity: 0.7;
  transition: opacity 0.3s;
  font-size: 0.95rem;
}

.footer-nav ul li a:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  opacity: 0.5;
  font-size: 0.85rem;
}

/* === Responsive === */
@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-detail-card,
  .service-detail-card.reverse {
    grid-template-columns: 1fr;
  }

  .service-detail-card.reverse .service-detail-image {
    order: 0;
  }

  .service-detail-card.reverse .service-detail-text {
    order: 0;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  }

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

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .intro-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .quote-form-wrapper {
    padding: 30px 20px;
  }
}