/* CSS Custom Properties - Design Tokens */
:root {
  --color-primary: #1a5f7a;
  --color-secondary: #159895;
  --color-accent: #ffa726;
  --color-dark-bg: #0f1419;
  --color-light-bg: #f4f6f8;
  --color-medium-gray: #57606f;
  --color-white: #ffffff;
  --color-text-light: #e8eaed;
  --font-heading: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-light);
  background: var(--color-dark-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  transition: all 0.4s ease;
}

.nav.scrolled {
  background: rgba(15, 20, 25, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 14px 60px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 2px;
  color: var(--color-white);
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s;
}

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

.nav-links a:hover::after {
  width: 100%;
}

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

.nav-toggle span {
  width: 28px;
  height: 2px;
  background: var(--color-white);
  transition: all 0.3s;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 20, 25, 0.85) 0%, rgba(15, 20, 25, 0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  opacity: 0;
  animation: fadeInUp 1s 0.3s forwards;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 5.5rem;
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(232, 234, 237, 0.85);
  margin-bottom: 36px;
  line-height: 1.8;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  animation: bounce 2s infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(255, 167, 38, 0.4);
}

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

.btn-cta:hover {
  background: #1a1f26;
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  text-align: center;
}

/* Stats Bar */
.stats-bar {
  background: var(--color-dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 60px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-medium-gray);
}

/* Section Common */
.section {
  padding: 100px 60px;
}

.section-header {
  max-width: 1200px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 12px;
}

.section-label::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-white);
}

/* Services Section */
.services {
  background: #1a1f26;
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255, 255, 255, 0.01) 10px,
    rgba(255, 255, 255, 0.01) 20px
  );
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  position: relative;
  background: rgba(26, 31, 38, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  opacity: 0;
  transform: translateY(40px);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  border-color: var(--color-primary);
}

.service-card--large {
  height: 420px;
}

.service-card--small {
  height: 300px;
}

.service-bg-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-heading);
  font-size: 6rem;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  z-index: 0;
  pointer-events: none;
}

.service-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.4s;
}

.service-card--small img {
  height: 180px;
}

.service-card:hover img {
  transform: scale(1.05);
}

.service-content {
  padding: 24px;
  position: relative;
  z-index: 1;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--color-white);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(232, 234, 237, 0.75);
  margin-bottom: 12px;
}

.service-price {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* About Section */
.about {
  background: var(--color-light-bg);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.about-visual {
  position: relative;
  height: 500px;
}

.about-img {
  position: absolute;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.about-img--main {
  top: 0;
  left: 0;
  width: 75%;
  height: 70%;
  z-index: 1;
}

.about-img--overlay {
  bottom: 0;
  right: 0;
  width: 55%;
  height: 50%;
  z-index: 2;
  border: 3px solid var(--color-white);
}

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

.about-content {
  color: var(--color-dark-bg);
}

.about-content .section-label {
  color: var(--color-primary);
}

.about-content .section-label::after {
  background: var(--color-primary);
}

.about-content .section-title {
  color: var(--color-dark-bg);
  margin-bottom: 24px;
}

.about-text {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-medium-gray);
  margin-bottom: 32px;
}

.about-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-features svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  stroke: var(--color-primary);
  margin-top: 2px;
}

.about-features span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-dark-bg);
}

/* Testimonials Section */
.testimonials {
  background: var(--color-white);
}

.testimonials .section-header {
  text-align: center;
}

.testimonials .section-label {
  color: var(--color-primary);
}

.testimonials .section-label::after {
  background: var(--color-primary);
  left: 50%;
  transform: translateX(-50%);
}

.testimonials .section-title {
  color: var(--color-dark-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--color-light-bg);
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s;
  opacity: 0;
  transform: scale(0.95);
}

.testimonial-card.visible {
  opacity: 1;
  transform: scale(1);
}

.testimonial-card:hover {
  transform: scale(1.02) rotate(1deg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: var(--color-accent);
}

.testimonial-text {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-medium-gray);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-dark-bg);
  letter-spacing: 0.5px;
}

.testimonial-author span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-medium-gray);
  margin-top: 4px;
}

/* CTA Banner */
.cta-banner {
  position: relative;
  padding: 120px 60px;
  text-align: center;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/cta-bg.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.cta-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 20, 25, 0.9) 0%, rgba(255, 167, 38, 0.15) 50%, rgba(15, 20, 25, 0.9) 100%);
  z-index: 1;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.cta-content p {
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(232, 234, 237, 0.85);
  margin-bottom: 36px;
  line-height: 1.7;
}

/* Contact Section */
.contact {
  background: var(--color-dark-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info .section-title {
  margin-bottom: 40px;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: rgba(26, 31, 38, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s;
}

.contact-card:hover {
  background: rgba(26, 31, 38, 0.8);
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.contact-card svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-medium-gray);
  margin-bottom: 4px;
}

.contact-card a,
.contact-card span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
  transition: color 0.3s;
}

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

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: rgba(26, 31, 38, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
  outline: none;
  transition: all 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-medium-gray);
}

.form-group input:focus,
.form-group textarea:focus {
  background: rgba(26, 31, 38, 0.8);
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: #0a0d11;
  padding: 60px 60px 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  letter-spacing: 2px;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-col--main p {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-medium-gray);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-medium-gray);
  transition: all 0.3s;
}

.footer-col a:hover {
  color: var(--color-accent);
  padding-left: 8px;
}

.footer-bottom {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-medium-gray);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 4rem;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .services-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-card--large,
  .service-card--small {
    height: auto;
  }

  .about-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 16px 24px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 20, 25, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
  }

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

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .hero {
    padding: 0 24px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .section {
    padding: 60px 24px;
  }

  .stats-bar {
    padding: 40px 24px;
  }

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

  .section-title {
    font-size: 2rem;
  }

  .cta-banner {
    padding: 80px 24px;
  }

  .cta-content h2 {
    font-size: 2rem;
  }

  .footer {
    padding: 40px 24px 24px;
  }

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