/* Complete Website Redesign - Interline Asia */

/* CSS Variables */
:root {
    /* Colors */
    --primary-900: #0f172a;
    --primary-800: #1e293b;
    --primary-700: #334155;
    --primary-600: #475569;
    --primary-500: #64748b;
    --primary-400: #94a3b8;
    --primary-300: #cbd5e1;
    --primary-200: #e2e8f0;
    --primary-100: #f1f5f9;
    --primary-50: #f8fafc;
    
    --accent-600: #dc2626;
    --accent-500: #ef4444;
    --accent-400: #f87171;
    
    --blue-600: #2563eb;
    --blue-500: #3b82f6;
    --blue-400: #60a5fa;
    
    --success-600: #059669;
    --success-500: #10b981;
    
    --warning-600: #d97706;
    --warning-500: #f59e0b;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--primary-700);
    background-color: var(--primary-50);
    overflow-x: hidden;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Travel Tools Header */
.travel-tools-header {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.5rem 0;
}

.travel-tools-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tools-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    font-weight: 500;
    flex-shrink: 0;
}

.travel-tools-header-grid {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.header-tool-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.header-tool-item:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    color: white;
}

.header-tool-icon {
    font-size: 0.8rem;
}

.header-tool-label {
    font-size: 0.7rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
}

.brand-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    color: white;
    box-shadow: var(--shadow-lg);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--primary-700) 100%);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(239, 68, 68, 0.1) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    padding: calc(140px + var(--space-2xl)) 0 var(--space-4xl) 0;
}

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

.hero-text {
    max-width: 700px;
    color: white;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-accent {
    display: block;
    background: linear-gradient(135deg, var(--blue-400), var(--success-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    min-width: 120px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 255, 255, 0.7);
    border-bottom: 2px solid rgba(255, 255, 255, 0.7);
    transform: rotate(45deg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.about-section,
.cruises-section,
.partners-section {
    padding: var(--space-4xl) 0;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--primary-900);
    margin-bottom: var(--space-lg);
    position: relative;
}



.section-description {
    font-size: 1.125rem;
    color: var(--primary-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

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

.feature-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--primary-200);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: var(--space-md);
}

.feature-description {
    color: var(--primary-600);
    line-height: 1.6;
}

/* Cruise Grid */
.cruise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.cruise-card {
    background: white;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 1px solid var(--primary-200);
}

.cruise-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.cruise-image {
    height: 200px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-400));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.cruise-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-900);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.cruise-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: var(--space-sm);
}

.cruise-route {
    color: var(--primary-600);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.cruise-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
}

.cruise-duration {
    font-weight: 600;
    color: var(--primary-700);
}

.cruise-price {
    font-weight: 700;
    color: var(--blue-600);
    font-size: 1.125rem;
}

.cruise-description {
    color: var(--primary-600);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.cruise-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all 0.3s ease;
}

.cruise-cta:hover {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
    transform: translateY(-2px);
}

/* Partners Section */
.partners-section {
    background: var(--primary-100);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.partner-logo {
    background: white;
    height: 100px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary-700);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--primary-200);
    padding: var(--space-md);
}

.partner-logo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.partner-logo img {
    max-width: 100%;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(1) contrast(1);
    transition: all 0.3s ease;
}

.partner-logo:hover img {
    filter: brightness(1.1) contrast(1.1);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 100%);
    color: white;
    padding: var(--space-4xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.3) 0%, transparent 50%);
}

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

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

/* Chat Bot */
.chat-bot {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 9999;
}

.chat-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    padding: var(--space-lg) var(--space-xl);
    cursor: pointer;
    box-shadow: var(--shadow-2xl);
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-toggle:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.4);
    background: linear-gradient(135deg, var(--primary-800), var(--primary-700));
}

.chat-icon {
    width: 24px;
    height: 24px;
}

.chat-window {
    position: absolute;
    bottom: calc(100% + var(--space-lg));
    right: 0;
    width: 400px;
    height: 500px;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--primary-200);
}

.chat-header {
    background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
    color: white;
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background 0.3s ease;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    background: var(--primary-50);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-message {
    display: flex;
    gap: var(--space-sm);
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-content {
    background: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    max-width: 280px;
    line-height: 1.5;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.chat-message.user .message-content {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: white;
    border-color: var(--blue-500);
}

.chat-input {
    padding: var(--space-lg);
    background: white;
    border-top: 1px solid var(--primary-200);
    display: flex;
    gap: var(--space-md);
}

.chat-input input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--primary-300);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.chat-input input:focus {
    border-color: var(--blue-500);
}

.chat-input button {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-input button:hover {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
}

.chat-input button svg {
    width: 20px;
    height: 20px;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-stats {
        gap: var(--space-lg);
    }
    
    .stat {
        min-width: 100px;
        padding: var(--space-md);
    }
    
    .features-grid,
    .cruise-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-lg);
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        padding: calc(120px + var(--space-2xl)) 0 var(--space-3xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat {
        flex-direction: row;
        text-align: left;
        width: 100%;
    }
    
    .stat-number {
        margin-bottom: 0;
        margin-right: var(--space-md);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .chat-window {
        width: calc(100vw - 2rem);
        height: calc(100vh - 120px);
        bottom: calc(100% + var(--space-md));
        right: calc(var(--space-lg) * -1);
    }
    
    .chat-bot {
        bottom: var(--space-lg);
        right: var(--space-lg);
    }
    
    .chat-toggle {
        padding: var(--space-md) var(--space-lg);
    }
    
    .chat-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: 0 var(--space-md);
    }
    
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .hero-container {
        padding: 0 var(--space-md);
    }
    
    .brand-name {
        font-size: 1.25rem;
    }
    
    .brand-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .cruise-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.visible { display: block; }

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}/*
 Travel Tools Section */
.travel-tools-section {
    background: white;
    padding: var(--space-4xl) 0;
}

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

.tool-card {
    background: white;
    border: 2px solid var(--primary-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: block;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--blue-600), var(--success-500));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--blue-400);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    display: block;
}

.tool-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: var(--space-md);
}

.tool-description {
    color: var(--primary-600);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Improved Hero Section */
.hero-highlight {
    background: linear-gradient(135deg, var(--blue-400), var(--success-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Enhanced Navigation */
.nav-container {
    align-items: center;
    height: 80px;
}

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

.brand-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.25rem;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    line-height: 1;
}

.brand-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue-400);
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .travel-tools-header {
        padding: 0.25rem 0;
    }
    
    .travel-tools-header-container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .travel-tools-header-grid {
        justify-content: center;
        gap: 0.25rem;
        flex-wrap: wrap;
    }
    
    .header-tool-item {
        font-size: 0.6rem;
        padding: 0.2rem 0.4rem;
        gap: 0.2rem;
    }
    
    .header-tool-icon {
        font-size: 0.7rem;
    }
    
    .tools-label {
        font-size: 0.65rem;
        display: none;
    }
    
    .hero-content {
        padding: calc(160px + var(--space-xl)) 0 var(--space-2xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--space-md);
    }
    
    .partner-logo {
        height: 80px;
    }
    
    .chat-window {
        width: calc(100vw - 2rem);
        right: -200px;
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: 0 var(--space-md);
    }
    
    .hero-container {
        padding: 0 var(--space-md);
    }
    
    .tool-card {
        padding: var(--space-lg);
    }
    
    .tool-icon {
        font-size: 2.5rem;
    }
}

/* Animation Keyframes */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40%, 43% {
        transform: translateX(-50%) translateY(-10px);
    }
    70% {
        transform: translateX(-50%) translateY(-5px);
    }
    90% {
        transform: translateX(-50%) translateY(-2px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth scrolling and performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
.tool-card:focus {
    outline: 2px solid var(--blue-400);
    outline-offset: 2px;
}