/* =========================================
   OPUS AGENCY - Premium Design System
   ========================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* CSS Custom Properties */
:root {
  /* Colors - Dark Luxury Palette */
  --bg-dark: #0a0a0a;
  --bg-surface: #141414;
  --bg-elevated: #1a1a1a;
  --bg-hover: #222222;

  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  --accent-gold: #c9a962;
  --accent-gold-light: #e0c88a;
  --accent-gold-dark: #a08840;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 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;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(201, 169, 98, 0.15);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-secondary);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

/* =========================================
   Typography
   ========================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

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

.text-gold {
  color: var(--accent-gold);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =========================================
   Layout
   ========================================= */

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

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* =========================================
   Navigation
   ========================================= */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-sm) 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #0a0a0a;
  letter-spacing: 0.1em;
  background: #ffffff;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
}

.logo span {
  color: #0a0a0a;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

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

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

.nav-links .btn-primary {
  color: #000000;
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-dark);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    transition: right var(--transition-base);
  }

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

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* =========================================
   Buttons
   ========================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
  color: var(--bg-dark);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(201, 169, 98, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1rem;
}

/* =========================================
   Hero Section
   ========================================= */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(80px + var(--space-2xl)) var(--space-md) var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-dark), transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-tagline {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
  margin-bottom: var(--space-md);
}

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

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  max-width: 650px;
  margin: 0 auto var(--space-xl);
  color: var(--text-secondary);
}

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

/* =========================================
   Cards
   ========================================= */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.15), rgba(201, 169, 98, 0.05));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Service Card */
.service-card {
  position: relative;
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent-gold);
  transition: height var(--transition-base);
}

.service-card:hover::before {
  height: 100%;
}

/* =========================================
   Feature List
   ========================================= */

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

.feature-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.feature-item:hover {
  background: var(--bg-surface);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.2), rgba(201, 169, 98, 0.05));
  border-radius: var(--radius-sm);
  color: var(--accent-gold);
  font-size: 1.25rem;
}

.feature-content h4 {
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature-content p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* =========================================
   Stats
   ========================================= */

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.stat-item {
  text-align: center;
  padding: 0 var(--space-lg);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 600;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* =========================================
   Page Header
   ========================================= */

.page-header {
  padding: calc(80px + var(--space-3xl)) 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
}

.page-header p {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* =========================================
   About Section
   ========================================= */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.about-content h2 {
  margin-bottom: var(--space-md);
}

.about-values {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.value-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.value-badge::before {
  content: '✓';
  color: var(--accent-gold);
}

/* =========================================
   Form Styles
   ========================================= */

.form-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

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

.form-header h3 {
  margin-bottom: var(--space-sm);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-dark);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

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

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

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

.form-group small {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-submit {
  margin-top: var(--space-lg);
}

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

.form-disclaimer {
  margin-top: var(--space-md);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* =========================================
   Why Us Section
   ========================================= */

.differentiator {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.differentiator:hover {
  border-color: var(--accent-gold);
  transform: translateX(8px);
}

.differentiator-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent-gold);
  opacity: 0.5;
  line-height: 1;
}

.differentiator-content h4 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.differentiator-content p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* =========================================
   CTA Section
   ========================================= */

.cta-section {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  margin-bottom: var(--space-md);
}

.cta-content p {
  max-width: 500px;
  margin: 0 auto var(--space-lg);
}

/* =========================================
   Footer
   ========================================= */

.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-3xl);
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #0a0a0a;
  background: #ffffff;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.footer-logo span {
  color: #0a0a0a;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-copy {
  width: 100%;
  text-align: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .footer .container {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* =========================================
   Animations
   ========================================= */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered animations */
.stagger-1 {
  transition-delay: 0.1s;
}

.stagger-2 {
  transition-delay: 0.2s;
}

.stagger-3 {
  transition-delay: 0.3s;
}

.stagger-4 {
  transition-delay: 0.4s;
}

.stagger-5 {
  transition-delay: 0.5s;
}

.stagger-6 {
  transition-delay: 0.6s;
}

.stagger-7 {
  transition-delay: 0.7s;
}

/* Subtle pulse for CTAs */
@keyframes subtle-glow {

  0%,
  100% {
    box-shadow: 0 0 30px rgba(201, 169, 98, 0.2);
  }

  50% {
    box-shadow: 0 0 50px rgba(201, 169, 98, 0.3);
  }
}

.btn-primary {
  animation: subtle-glow 3s ease-in-out infinite;
}

/* =========================================
   Utility Classes
   ========================================= */

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

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

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

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

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-2xl {
  margin-bottom: var(--space-2xl);
}

.hidden {
  display: none;
}

/* =========================================
   Success State
   ========================================= */

.success-message {
  text-align: center;
  padding: var(--space-2xl);
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.2), rgba(201, 169, 98, 0.05));
  border-radius: 50%;
  font-size: 2.5rem;
}

.success-message h3 {
  margin-bottom: var(--space-sm);
}

.success-message p {
  margin-bottom: 0;
}