/* ============================================
   KORVENA - DESIGN SYSTEM & STYLES
   Technical Strength · Operational Certainty
   ============================================ */

:root {
  /* Colors - Primary */
  --color-gold: #C8A96E;
  --color-gold-light: #E2C99A;
  --color-gold-dark: #8A6E3E;

  /* Colors - Backgrounds */
  --color-void: #0A0C10;
  --color-deep: #111520;
  --color-surface: #1B1F2B;
  --color-panel: #1F7D35;
  --color-border: #2A3240;

  /* Colors - Text */
  --color-off-white: #F2EFE9;
  --color-dim: #A8A49C;
  --color-slate: #8B95A8;
  --color-muted: #4E5472;

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: rgba(0, 0, 0, 0.16) 0px 3px 15px 0px;
  --shadow-inset: rgba(255, 255, 255, 0.3) 4px 4px 10px 0px inset;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(180deg, var(--color-void) 0%, var(--color-deep) 100%);
  color: var(--color-off-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  font-weight: 600;
}

p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-off-white);
}

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--color-gold-light);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-void);
  border-color: var(--color-gold);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-secondary:hover {
  background: var(--color-gold);
  color: var(--color-void);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.1rem;
}

.cta-button {
  background: var(--color-gold);
  color: var(--color-void);
  border: none;
  padding: 0.875rem 2.25rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
  font-size: 0.9rem;
  white-space: nowrap;
}

.cta-button:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 169, 110, 0.3);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 7, 7, 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  gap: var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: 1.25rem;
  font-family: var(--font-display);
}

.logo svg {
  width: 40px;
  height: 40px;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav {
  display: flex;
  gap: var(--space-xl);
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: var(--color-off-white);
  font-size: 0.85rem;
  font-weight: 400;
  position: relative;
  letter-spacing: 0.3px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ============================================
   MOBILE MENU HAMBURGER
   ============================================ */

.menu-toggle {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 6px;
  padding: 0;
  z-index: 1001;
}

#mobile-menu {
  display: flex;
  position: static;
  width: auto;
  height: auto;
  background: none;
  backdrop-filter: none;
  padding: 0;
  flex-direction: row;
  justify-content: center;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: all 0.3s ease;
  display: block;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -8px);
}


#mobile-menu .nav-link {
  font-size: 1rem;
}

#mobile-menu .nav-link::after {
  display: none;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-void) 0%, var(--color-deep) 50%, rgba(19, 21, 32, 0.95) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: float 8s ease-in-out infinite reverse;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-label {
  color: var(--color-gold);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  color: var(--color-off-white);
  margin-bottom: var(--space-lg);
  font-weight: 800;
}

.hero-subtitle {
  color: var(--color-gold);
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-slate);
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.9;
}

.hero-ctas {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   PARTNERS SECTION
   ============================================ */

.partners {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.partners-label {
  text-align: center;
  color: var(--color-gold);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-2xl);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
  align-items: center;
  justify-items: center;
}

.partner-logo {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-dim);
  font-weight: 600;
  transition: all 0.3s ease;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.partner-logo:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-4px);
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
  padding: var(--space-3xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
  color: var(--color-off-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.about-card {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-xl);
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(200, 169, 110, 0.03);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.about-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.about-card:hover::before {
  opacity: 1;
}

.card-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1;
  flex-shrink: 0;
  min-width: 80px;
}

.about-card h3 {
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.about-card p {
  color: var(--color-slate);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
  padding: var(--space-3xl) 0;
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.service-item-reverse {
  grid-template-columns: 1fr 1fr;
  direction: rtl;
}

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

.service-content h3 {
  font-size: 2rem;
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
}

.service-content p {
  color: var(--color-slate);
  line-height: 1.9;
  margin-bottom: var(--space-lg);
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.95rem;
}

.service-cta i {
  transition: transform 0.3s ease;
}

.service-cta:hover i {
  transform: translateX(4px);
}

.service-visual {
  height: 300px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.service-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-gradient-1 {
  background: linear-gradient(300deg, #FF1D80 0%, #FF81E4 100%);
}

.service-gradient-2 {
  background: linear-gradient(300deg, #0EACDC 0%, #40DEFF 100%);
}

.service-gradient-3 {
  background: linear-gradient(300deg, #E93112 0%, #EF972C 100%);
}

.service-gradient-4 {
  background: linear-gradient(300deg, #512DEA 0%, #8D69FF 100%);
}

@media (max-width: 768px) {
  .service-item,
  .service-item-reverse {
    grid-template-columns: 1fr;
  }

  .service-item-reverse {
    direction: ltr;
  }
}

/* ============================================
   EXPERTISE SECTION
   ============================================ */

.expertise {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, rgba(200, 169, 110, 0.05) 0%, transparent 100%);
  border-top: 1px solid var(--color-border);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.expertise-category {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.3s ease;
}

.expertise-category:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.expertise-category h3 {
  color: var(--color-gold);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.expertise-category i {
  font-size: 1.2rem;
}

.expertise-category ul {
  list-style: none;
}

.expertise-category li {
  color: var(--color-slate);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
  position: relative;
  font-size: 0.85rem;
}

.expertise-category li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 600;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
  padding: var(--space-3xl) 0;
}

.portfolio-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.portfolio-subtitle {
  color: var(--color-slate);
  font-size: 1rem;
  margin-top: -var(--space-xl);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-off-white);
  padding: 0.625rem 1.5rem;
  border-radius: 40px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: capitalize;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-gold);
  color: var(--color-void);
  border-color: var(--color-gold);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.portfolio-card {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  transition: all 0.3s ease, opacity 0.3s ease;
  overflow: hidden;
  opacity: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.portfolio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(200, 169, 110, 0.05);
  transition: left 0.3s ease;
  z-index: -1;
}

.portfolio-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-8px);
}

.portfolio-card:hover::before {
  left: 0;
}

.portfolio-card h3 {
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
  margin-top: var(--space-md);
}

.portfolio-card p {
  color: var(--color-slate);
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
  line-height: 1.8;
  flex-grow: 1;
}

.portfolio-badge {
  display: inline-block;
  background: rgba(200, 169, 110, 0.15);
  color: var(--color-gold);
  padding: 0.25rem var(--space-md);
  border-radius: 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.portfolio-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.metric {
  text-align: center;
}

.metric strong {
  display: block;
  color: var(--color-gold);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
  font-weight: 700;
}

.metric span {
  color: var(--color-dim);
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.2px;
  line-height: 1.3;
  display: block;
}

.portfolio-cta {
  text-align: center;
  padding: var(--space-2xl);
  background: rgba(200, 169, 110, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.portfolio-cta p {
  margin-bottom: var(--space-lg);
  color: var(--color-slate);
}

/* ============================================
   CASE STUDIES SECTION
   ============================================ */

.case-studies {
  padding: var(--space-3xl) 0;
}

.case-carousel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.case-slide {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.case-slide.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) translateX(0px);
  }
  25% {
    transform: translateY(-20px) translateX(10px);
  }
  50% {
    transform: translateY(-40px) translateX(-10px);
  }
  75% {
    transform: translateY(-20px) translateX(10px);
  }
}

.case-content h3 {
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
}

.case-content p {
  color: var(--color-slate);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.stat {
  text-align: center;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.stat strong {
  display: block;
  color: var(--color-gold);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.stat span {
  color: var(--color-dim);
  font-size: 0.875rem;
}

.case-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.case-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-dot.active {
  background: var(--color-gold);
  width: 32px;
  border-radius: 6px;
}

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

/* ============================================
   BLOG SECTION
   ============================================ */

.blog {
  padding: var(--space-3xl) 0;
}

.blog-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.blog-subtitle {
  color: var(--color-slate);
  font-size: 1rem;
  margin-top: -var(--space-xl);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.blog-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-8px);
}

.blog-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #512DEA 0%, #8D69FF 100%);
}

.blog-content {
  padding: var(--space-2xl);
}

.blog-category {
  display: inline-block;
  background: rgba(200, 169, 110, 0.1);
  color: var(--color-gold);
  padding: 0.25rem var(--space-md);
  border-radius: 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.blog-card h3 {
  margin-bottom: var(--space-md);
}

.blog-card p {
  color: var(--color-slate);
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-gold);
  font-weight: 600;
}

.blog-link i {
  transition: transform 0.3s ease;
}

.blog-link:hover i {
  transform: translateX(4px);
}

.blog-cta {
  text-align: center;
  padding: var(--space-2xl);
  margin-top: var(--space-3xl);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials {
  padding: var(--space-3xl) 0;
}

.testimonials-carousel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.testimonial-slide {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--space-lg);
  color: var(--color-gold);
}

.testimonial-content p {
  color: var(--color-off-white);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-void);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.testimonial-author div strong {
  display: block;
  color: var(--color-off-white);
  margin-bottom: 0.25rem;
}

.testimonial-author div span {
  color: var(--color-dim);
  font-size: 0.875rem;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.testimonial-dot.active {
  background: var(--color-gold);
  width: 32px;
  border-radius: 6px;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq {
  padding: var(--space-3xl) 0;
}

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--color-gold);
}

.faq-header {
  background: transparent;
  border: none;
  color: var(--color-off-white);
  padding: var(--space-2xl);
  width: 100%;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-header:hover {
  background: rgba(200, 169, 110, 0.05);
}

.faq-item.active .faq-header {
  background: var(--color-gold);
  color: var(--color-void);
}

.faq-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

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

.faq-item.active .faq-content {
  max-height: 500px;
}

.faq-content p {
  padding: 0 var(--space-2xl) var(--space-2xl);
  color: var(--color-slate);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, rgba(200, 169, 110, 0.05) 0%, transparent 100%);
  border-top: 1px solid var(--color-border);
}

.contact-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.contact-subtitle {
  font-size: 1rem;
  color: var(--color-slate);
  margin-top: -var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.contact-method {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all 0.3s ease;
}

.contact-method:hover {
  border-color: var(--color-gold);
  transform: translateY(-8px);
}

.contact-method i {
  font-size: 2rem;
  color: var(--color-gold);
  margin: 0;
}

.contact-method h3 {
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
}

.contact-method a,
.contact-method p {
  color: var(--color-slate);
  font-size: 0.95rem;
}

.contact-method a {
  color: var(--color-gold);
  font-weight: 500;
}

.contact-method a:hover {
  color: var(--color-gold-light);
}

.contact-cta {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-void);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: 1rem;
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}

.footer-col p {
  color: var(--color-dim);
  font-size: 0.875rem;
}

.footer-col h4 {
  color: var(--color-off-white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

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

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

.footer-col a {
  color: var(--color-dim);
  font-size: 0.875rem;
}

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

.footer-bottom {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-dim);
  font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .header-content {
    flex-wrap: wrap;
    padding: 1.7rem var(--space-md);
  }

  .menu-toggle {
    display: flex;
  }

  .cta-button {
    display: none;
  }

  .nav {
    position: static;
    flex-direction: column;
  }

  #mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(10, 12, 16, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    padding: 80px var(--space-lg) var(--space-lg);
    transition: left 0.3s ease;
    z-index: 999;
  }

  #mobile-menu.open {
    left: 0;
  }

  .hero-ctas {
    gap: var(--space-md);
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .case-stats {
    grid-template-columns: 1fr;
  }

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

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

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

  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-header {
    padding: var(--space-lg);
  }

  .faq-header h3 {
    font-size: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-logo,
  .footer-col ul {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  h1, h2, h3 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-ctas {
    flex-direction: column;
  }

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

  .portfolio-metrics {
    gap: var(--space-sm);
    padding-top: var(--space-md);
  }

  .metric strong {
    font-size: 0.95rem;
  }

  .nav {
    gap: var(--space-md);
  }

  .case-carousel {
    padding: var(--space-lg);
  }

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

  .footer-grid {
    gap: var(--space-lg);
  }
}