@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #1A1A1B;
  --color-secondary: #F4F4F1;
  --color-accent: #D4AF37;
  --color-text: #1a1a1a;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;

  --font-family: 'Space Grotesk', sans-serif;
  --font-size-base: 18px;
  --line-height-base: 1.7;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: var(--line-height-base);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

p {
  margin-bottom: var(--space-md);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}

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

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

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

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  padding: var(--space-sm) 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-links a {
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hero {
  padding: 10rem 0 5rem;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-text h1 {
  margin-bottom: var(--space-lg);
}

.hero-image {
  position: relative;
  box-shadow: 20px 20px 0 var(--color-accent);
}

.section-padding {
  padding: var(--space-2xl) 0;
}

.bg-alt {
  background-color: var(--color-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat-item .number {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background: #fff;
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border-left: 5px solid var(--color-accent);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.testimonial-slider {
  overflow: hidden;
  position: relative;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.testimonial-item {
  min-width: 100%;
  padding: var(--space-xl);
  text-align: center;
}

.testimonial-content {
  font-size: 1.5rem;
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.faq-section {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.1);
  margin-bottom: var(--space-md);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-answer p {
  padding-bottom: var(--space-md);
  color: var(--color-text-light);
}

.footer {
  background-color: var(--color-primary);
  color: #fff;
  padding: var(--space-2xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer-links h4 {
  color: #fff;
  margin-bottom: var(--space-lg);
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: var(--space-sm);
}

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

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.legal-info {
  margin-top: var(--space-sm);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
  padding: var(--space-lg);
  z-index: 2000;
  display: none;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.cookie-btns {
  display: flex;
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  h1 { font-size: 2.75rem; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .footer-content { grid-template-columns: 1fr; }
  .cookie-content { flex-direction: column; text-align: center; }
}

.article-header {
  padding: 8rem 0 4rem;
  background-color: var(--color-secondary);
}

.article-meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.article-content {
  max-width: 720px;
  margin: 4rem auto;
}

.article-content h2, .article-content h3 {
  margin-top: var(--space-xl);
}

.author-box {
  background: var(--color-secondary);
  padding: var(--space-xl);
  margin-top: var(--space-2xl);
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.author-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-sm);
  font-family: inherit;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.hamburger-line {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: 0.3s;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background: #fff;
  z-index: 1001;
  transition: 0.3s;
  padding: 5rem var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  box-shadow: -10px 0 30px rgba(0,0,0,0.1);
}

.mobile-nav.active {
  right: 0;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: none;
}

.overlay.active {
  display: block;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.team-card {
  text-align: center;
}

.team-photo {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--color-secondary);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

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

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.post-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.post-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.post-card-content {
  padding: var(--space-lg);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background: var(--color-accent);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: #fff;
  border: 4px solid var(--color-accent);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.left { left: 0; }
.right { left: 50%; }

.right::after { left: -10px; }

@media (max-width: 768px) {
  .timeline::after { left: 31px; }
  .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
  .timeline-item::after { left: 21px; }
  .right { left: 0%; }
}

.methodology-step {
  margin-bottom: var(--space-2xl);
  display: flex;
  gap: var(--space-2xl);
  align-items: center;
}

.methodology-step:nth-child(even) {
  flex-direction: row-reverse;
}

.step-content { flex: 1; }
.step-image { flex: 1; }

@media (max-width: 768px) {
  .methodology-step, .methodology-step:nth-child(even) { flex-direction: column; }
}

.results-hero {
  background: var(--color-primary);
  color: #fff;
  padding: 6rem 0;
}

.results-hero h1 { color: #fff; }

.case-study-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  align-items: center;
}

@media (max-width: 768px) {
  .case-study-card { grid-template-columns: 1fr; }
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
}

@media (max-width: 768px) {
  .contact-container { grid-template-columns: 1fr; }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 8px;
  z-index: 1002;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}