/* Thereence Yachts - Luxury Yacht Sales & Rental Website
   Design System: Luxury & Sophisticated Aesthetic
   Author: MiniMax Agent
   Date: October 2025 */

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

/* ===== CSS VARIABLES (Design Tokens) ===== */
:root {
  /* Colors - Primary Navy */
  --primary-50: #E8EBF0;
  --primary-100: #C5CCDB;
  --primary-500: #1A2F4A;
  --primary-700: #0F1F35;
  --primary-900: #0A1628;
  
  /* Colors - Accent Gold */
  --accent-100: #F5EFE0;
  --accent-500: #C9A961;
  --accent-700: #A68B4A;
  
  /* Colors - Neutral */
  --neutral-50: #F8F6F0;
  --neutral-100: #EEEADE;
  --neutral-200: #D9D5C8;
  --neutral-700: #4A4A4A;
  --neutral-800: #2C3E50;
  --neutral-900: #1A1A1A;
  
  /* Colors - Semantic */
  --success: #2D5F3F;
  --error: #8B2E2E;
  
  /* Backgrounds */
  --page-bg: #F8F6F0;
  --surface-bg: #FFFFFF;
  
  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
  --shadow-card: 0 4px 12px rgba(10, 22, 40, 0.06);
  --shadow-card-hover: 0 12px 32px rgba(10, 22, 40, 0.12), 0 0 0 1px rgba(201, 169, 97, 0.2);
  --shadow-modal: 0 20px 60px rgba(10, 22, 40, 0.15);
  
  /* Animation */
  --duration-fast: 300ms;
  --duration-normal: 400ms;
  --duration-slow: 600ms;
  --easing-default: cubic-bezier(0.4, 0, 0.2, 1);
  --easing-elegant: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--neutral-700);
  background-color: var(--page-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color var(--duration-normal) var(--easing-default);
}

a:hover {
  color: var(--accent-700);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--neutral-800);
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

h1 {
  font-size: 56px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 40px;
}

h3 {
  font-size: 32px;
}

h4 {
  font-size: 24px;
}

p {
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

/* ===== LAYOUT CONTAINERS ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.section-title h2 {
  font-size: 48px;
  color: var(--neutral-900);
  margin-bottom: var(--space-md);
}

.section-title p {
  font-size: 18px;
  color: var(--neutral-700);
  max-width: 700px;
  margin: 0 auto;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all var(--duration-normal) var(--easing-default);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 88px;
  padding: 0 var(--space-2xl);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-900);
  text-decoration: none;
}

.logo:hover {
  color: var(--primary-900);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-size: 16px;
  font-weight: 500;
  color: var(--neutral-800);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-500);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-500);
  transition: width var(--duration-normal) var(--easing-default);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.mobile-menu-toggle svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary-900);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--neutral-50);
  overflow: hidden;
  margin-top: 88px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.7), transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 var(--space-2xl);
}

.hero h1 {
  font-size: 72px;
  color: var(--neutral-50);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero p {
  font-size: 18px;
  color: var(--neutral-100);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 16px 48px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-default);
  border: none;
  text-decoration: none;
  min-height: 56px;
  line-height: 1.5;
}

.btn-primary {
  background: var(--accent-500);
  color: var(--primary-900);
  border: 1px solid var(--accent-500);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-700);
  color: var(--primary-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-500);
  border: 2px solid var(--primary-500);
  padding: 14px 40px;
  min-height: 52px;
}

.btn-secondary:hover {
  background: var(--primary-500);
  color: var(--neutral-50);
  transform: translateY(-2px);
}

/* ===== YACHT CARDS ===== */
.yacht-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
}

.yacht-card {
  background: var(--surface-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--neutral-200);
  transition: all var(--duration-normal) var(--easing-elegant);
}

.yacht-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-card-hover);
}

.yacht-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--easing-elegant);
}

.yacht-card:hover .yacht-card-image {
  transform: scale(1.05);
}

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

.yacht-card h3 {
  font-size: 32px;
  color: var(--neutral-900);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.yacht-card-description {
  font-size: 16px;
  color: var(--neutral-700);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.yacht-card-price {
  font-size: 24px;
  font-weight: 600;
  color: var(--accent-700);
  margin-bottom: var(--space-md);
}

.yacht-card-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--primary-500);
  display: inline-block;
  position: relative;
}

.yacht-card-link:hover {
  text-decoration: underline;
}

/* ===== FEATURES SECTION ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-100);
  border-radius: 50%;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent-700);
}

.feature-item h3 {
  font-size: 24px;
  margin-bottom: var(--space-md);
}

.feature-item p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--neutral-700);
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.testimonial-card {
  background: var(--surface-bg);
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--accent-500);
}

.testimonial-text {
  font-size: 16px;
  line-height: 1.6;
  font-style: italic;
  color: var(--neutral-700);
  margin-bottom: var(--space-lg);
}

.testimonial-author {
  font-size: 16px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: var(--space-xs);
}

.testimonial-role {
  font-size: 14px;
  color: var(--neutral-700);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--neutral-800);
  margin-bottom: var(--space-xs);
}

.form-label .required {
  color: var(--error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--neutral-900);
  background: var(--surface-bg);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--easing-default);
  min-height: 56px;
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: var(--shadow-sm);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--neutral-700);
  opacity: 0.6;
}

.form-error {
  font-size: 14px;
  color: var(--error);
  margin-top: var(--space-xs);
  display: none;
}

.form-input.error,
.form-textarea.error {
  border-color: var(--error);
}

.form-input.error + .form-error,
.form-textarea.error + .form-error {
  display: block;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary-900);
  color: var(--neutral-100);
  padding: var(--space-4xl) 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-2xl) var(--space-4xl);
}

.footer-section h3 {
  font-size: 24px;
  color: var(--neutral-50);
  margin-bottom: var(--space-lg);
}

.footer-section p,
.footer-section a {
  font-size: 14px;
  color: var(--neutral-200);
  line-height: 1.6;
}

.footer-section a:hover {
  color: var(--accent-500);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-contact-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.social-links {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--duration-normal) var(--easing-default);
}

.social-links a:hover {
  background: var(--accent-500);
  transform: translateY(-2px);
}

.social-links svg {
  width: 20px;
  height: 20px;
  stroke: var(--neutral-200);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--neutral-200);
}

/* ===== COOKIE CONSENT ===== */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-900);
  color: var(--neutral-100);
  padding: var(--space-lg) var(--space-2xl);
  box-shadow: var(--shadow-modal);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--easing-elegant);
}

.cookie-consent.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 14px;
  flex: 1;
  min-width: 250px;
}

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

.cookie-buttons .btn {
  padding: 12px 32px;
  min-height: 48px;
  font-size: 14px;
}

/* ===== CONTENT PAGES ===== */
.content-page {
  padding: var(--space-5xl) 0;
  margin-top: 88px;
  min-height: 60vh;
}

.content-page .container {
  max-width: 900px;
}

.content-page h1 {
  font-size: 48px;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.content-page h2 {
  font-size: 32px;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
}

.content-page h3 {
  font-size: 24px;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.content-page p,
.content-page li {
  font-size: 16px;
  line-height: 1.6;
  color: var(--neutral-700);
  margin-bottom: var(--space-md);
}

.content-page ul,
.content-page ol {
  margin-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.content-page li {
  margin-bottom: var(--space-sm);
}

.last-updated {
  font-size: 14px;
  color: var(--neutral-700);
  text-align: center;
  margin-bottom: var(--space-2xl);
  font-style: italic;
}

/* ===== MAP CONTAINER ===== */
.map-container {
  width: 100%;
  height: 450px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-top: var(--space-3xl);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

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

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  h1 {
    font-size: 48px;
  }
  
  .hero {
    height: 500px;
  }
  
  .hero h1 {
    font-size: 56px;
  }
  
  .section-title h2 {
    font-size: 40px;
  }
  
  .yacht-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  .header-content {
    height: 72px;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-links.mobile-active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--surface-bg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-modal);
    gap: var(--space-lg);
  }
  
  .hero {
    height: 400px;
    margin-top: 72px;
  }
  
  .hero h1 {
    font-size: 40px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  h1 {
    font-size: 40px;
  }
  
  h2 {
    font-size: 32px;
  }
  
  .section-title h2 {
    font-size: 32px;
  }
  
  .yacht-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }
  
  .cookie-buttons .btn {
    width: 100%;
  }
  
  .container {
    padding: 0 var(--space-lg);
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .content-page {
    padding: var(--space-3xl) 0;
  }
}