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

:root {
  --orange: #E86A10;
  --orange-dark: #C55A0E;
  --orange-light: #F5A623;
  --dark: #1A1A1A;
  --dark-2: #2A2A2A;
  --dark-3: #333333;
  --gray: #666666;
  --gray-light: #999999;
  --gray-bg: #F5F5F5;
  --white: #FFFFFF;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: -0.02em;
}

.logo-icon {
  color: var(--orange);
  font-size: 1.1rem;
}

.logo-text strong {
  color: var(--orange);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

.nav-link:hover, .nav-link.active {
  color: var(--white);
}

.nav-cta {
  background: var(--orange);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background var(--transition);
}

.nav-cta:hover {
  background: var(--orange-dark);
}

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

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(26, 26, 26, 0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding-top: 72px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  max-width: 540px;
}

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

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(232, 106, 16, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* === Sections === */
.section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.1rem;
  margin-bottom: 60px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* === Services Grid === */
.services-preview {
  background: var(--gray-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.service-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

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

.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

/* === Gallery === */
.gallery-section {
  background: var(--gray-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* === Why Us === */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
  margin-top: 60px;
}

.why-item {
  padding: 32px 16px;
}

.why-number {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.why-item p {
  color: var(--gray);
  font-size: 1rem;
  font-weight: 500;
}

/* === CTA Section === */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  text-align: center;
}

.cta-content h2 {
  color: var(--white);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* === About === */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.about-intro-text p {
  color: var(--gray);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-intro-img {
  border-radius: 12px;
  overflow: hidden;
}

.about-intro-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
}

.values-section {
  background: var(--gray-bg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  background: var(--white);
  padding: 32px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
}

.value-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.value-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* === Service Detail === */
.service-detail.alt {
  background: var(--gray-bg);
}

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

.service-split.reverse {
  direction: rtl;
}

.service-split.reverse > * {
  direction: ltr;
}

.service-split-img {
  border-radius: 12px;
  overflow: hidden;
}

.service-split-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
}

.service-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.service-split-text h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.service-split-text p {
  color: var(--gray);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
}

.service-list li {
  position: relative;
  padding-left: 24px;
  color: var(--gray);
  font-size: 1rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
}

/* === Page Hero === */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  padding: 140px 0 60px;
}

.page-hero h1 {
  color: var(--white);
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.15rem;
  margin-top: 12px;
}

/* === Content === */
.content-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.content-wrap h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}

.content-wrap h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 36px 0 12px;
}

.content-wrap p {
  color: var(--gray);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.content-wrap ul, .content-wrap ol {
  color: var(--gray);
  margin: 0 0 20px 24px;
  font-size: 1.05rem;
}

.content-wrap li {
  margin-bottom: 8px;
}

/* === Contact Form === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--gray);
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.contact-info a {
  color: var(--orange);
  font-weight: 500;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #E0E0E0;
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
}

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

/* === Footer === */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  font-size: 1.25rem;
  color: var(--white);
  display: block;
  margin-bottom: 12px;
}

.footer-logo strong {
  color: var(--orange);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  margin-bottom: 8px;
  transition: color var(--transition);
}

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

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

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* === Mobile === */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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

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

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-intro {
    grid-template-columns: 1fr;
  }

  .about-intro-img img {
    height: 280px;
  }

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

  .service-split,
  .service-split.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .service-split-img img {
    height: 280px;
  }

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

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

  .hero {
    min-height: 80vh;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

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