/* ============================================
   AAASS LOGISTICS WEBSITE - CSS STYLESHEET
   Production Ready | Modern | Responsive
   ============================================ */

/* ============================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================ */

:root {
    /* Modern Color Palette */
    --primary: #3b82f6;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --secondary: #1f2937;
    --accent: #06b6d4;
    --accent-light: #cffafe;
    --accent-2: #8b5cf6;
    --accent-3: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutrals */
    --white: #ffffff;
    --light-gray: #f9fafb;
    --medium-gray: #e5e7eb;
    --dark-gray: #6b7280;
    --very-dark: #111827;
    
    /* Spacing Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--secondary);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--very-dark);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-dark);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */

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

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

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--dark-gray);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
}

/* ============================================
   4. NAVIGATION BAR
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--white);
    border-bottom: 1px solid var(--medium-gray);
    padding: var(--spacing-md) 0;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--very-dark);
    transition: color var(--transition-base);
}

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

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 700;
}

.logo-text {
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--secondary);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
}

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

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

.contact-nav-link {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.contact-nav-link:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-nav-link::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

/* ============================================
   5. HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1e40af 100%);
    padding: var(--spacing-3xl) 0;
    min-height: 650px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    color: var(--white);
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    border-radius: var(--radius-full);
    top: -150px;
    right: -100px;
    filter: blur(40px);
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    border-radius: var(--radius-full);
    bottom: -100px;
    left: -50px;
    filter: blur(40px);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: contents;
}

.hero-text {
    animation: slideInLeft 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--white) 0%, #cffafe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    animation: slideInRight 0.8s ease-out;
}

.hero-graphic {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container-box {
    position: relative;
    width: 300px;
    height: 250px;
    perspective: 1000px;
}

.container-item {
    position: absolute;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-lg);
    opacity: 0.9;
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.container-item:nth-child(1) {
    width: 100px;
    height: 150px;
    top: 0;
    left: 0;
    animation-delay: 0s;
}

.container-item:nth-child(2) {
    width: 120px;
    height: 120px;
    top: 50%;
    left: 100px;
    animation-delay: 0.2s;
    background: linear-gradient(135deg, var(--accent), var(--primary));
}

.container-item:nth-child(3) {
    width: 100px;
    height: 140px;
    top: 20%;
    right: 0;
    animation-delay: 0.4s;
    background: linear-gradient(135deg, #10b981, var(--primary));
}

/* ============================================
   6. BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

/* ============================================
   7. FEATURE CARDS
   ============================================ */

.why-choose-us {
    background-color: var(--white);
    padding-top: var(--spacing-3xl);
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.why-choose-us .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(243, 244, 246, 0.95) 100%);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-full);
    filter: blur(20px);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    border-radius: var(--radius-full);
    transition: all var(--transition-slow);
}

.feature-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.15);
    transform: translateY(-12px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(219, 234, 254, 0.5) 100%);
}

.feature-card:hover::after {
    transform: translate(50px, 50px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.feature-card p {
    margin-bottom: 0;
    color: var(--dark-gray);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   8. STATISTICS SECTION
   ============================================ */

.statistics {
    background: linear-gradient(135deg, #1e3a8a 0%, #0369a1 50%, #0891b2 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.statistics::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-full);
    top: -200px;
    right: -100px;
    filter: blur(40px);
}

.statistics::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: var(--radius-full);
    bottom: -150px;
    left: -100px;
    filter: blur(40px);
}

.statistics h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all var(--transition-slow);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.35);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.stat-number::after {
    content: '+';
    margin-left: 0.2em;
}

.stat-label {
    font-size: var(--font-size-base);
    font-weight: 500;
    opacity: 0.9;
}

/* ============================================
   9. SERVICES SECTION
   ============================================ */

.services {
    background: linear-gradient(135deg, rgba(243, 244, 246, 0.6) 0%, rgba(240, 253, 250, 0.6) 100%);
    padding-top: var(--spacing-3xl);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.services .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.service-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 253, 250, 0.98) 100%);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-slow);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(229, 231, 235, 0.6);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: -100%;
    right: -100%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-full);
    transition: all var(--transition-slow);
}

.service-card:hover {
    box-shadow: 0 25px 50px rgba(6, 182, 212, 0.15);
    transform: translateY(-12px) scale(1.02);
    background: linear-gradient(135deg, rgba(240, 253, 250, 1) 0%, rgba(207, 250, 254, 0.4) 100%);
    border-color: rgba(6, 182, 212, 0.3);
}

.service-card:hover::before {
    top: -50%;
    right: -50%;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(139, 92, 246, 0.08) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.service-card p {
    color: var(--dark-gray);
    line-height: var(--line-height-relaxed);
    flex-grow: 1;
}

/* ============================================
   10. TRADE ROUTES SECTION
   ============================================ */

.trade-routes {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(240, 249, 255, 0.8) 100%);
    padding-top: var(--spacing-3xl);
}

.trade-routes h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.trade-routes .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.routes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.route-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 253, 250, 0.95) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-weight: 600;
    transition: all var(--transition-slow);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

.route-item:hover {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(207, 250, 254, 0.6) 0%, rgba(255, 255, 255, 1) 100%);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.15);
    transform: translateY(-8px);
}

.route-from {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.route-arrow {
    color: var(--primary);
    font-size: var(--font-size-xl);
}

.route-to {
    color: var(--secondary);
    font-size: var(--font-size-base);
}

/* ============================================
   11. INDUSTRIES SECTION
   ============================================ */

.industries {
    background: linear-gradient(135deg, rgba(243, 244, 246, 0.6) 0%, rgba(243, 232, 255, 0.6) 100%);
    padding-top: var(--spacing-3xl);
}

.industries h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.industries .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.industry-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(243, 232, 255, 0.95) 100%);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    transition: all var(--transition-slow);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(229, 231, 235, 0.6);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.industry-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    border-radius: var(--radius-full);
    transition: all var(--transition-slow);
    filter: blur(20px);
}

.industry-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent-2), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.industry-card:hover {
    box-shadow: 0 25px 50px rgba(139, 92, 246, 0.15);
    transform: translateY(-12px);
    border-color: rgba(139, 92, 246, 0.3);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(243, 232, 255, 0.6) 100%);
}

.industry-card:hover::before {
    transform: translate(100px, 100px);
}

.industry-card:hover::after {
    transform: scaleX(1);
}

.industry-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary);
    opacity: 0.1;
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
}

.industry-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    position: relative;
    z-index: 1;
}

.industry-card p {
    color: var(--dark-gray);
    line-height: var(--line-height-relaxed);
    position: relative;
    z-index: 1;
}

/* ============================================
   12. PROCESS/TIMELINE SECTION
   ============================================ */

.process {
    background-color: var(--white);
    padding-top: var(--spacing-3xl);
}

.process h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.process .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.timeline {
    display: grid;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(243, 244, 246, 0.8) 0%, rgba(240, 249, 255, 0.8) 100%);
    border-radius: 14px;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(229, 231, 235, 0.5);
    backdrop-filter: blur(10px);
}

.timeline-item::before {
    content: '';
    position: absolute;
    bottom: -100%;
    right: -100%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    border-radius: var(--radius-full);
    transition: all var(--transition-slow);
}

.timeline-item:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(219, 234, 254, 0.5) 100%);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.12);
    transform: translateX(8px);
    border-left: 4px solid var(--primary);
    border-color: rgba(59, 130, 246, 0.3);
}

.timeline-item:hover::before {
    bottom: -50%;
    right: -50%;
}

.timeline-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
    text-align: center;
}

.timeline-content h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.timeline-content p {
    color: var(--dark-gray);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* ============================================
   13. TESTIMONIALS SECTION
   ============================================ */

.testimonials {
    background: linear-gradient(135deg, rgba(240, 249, 255, 0.8) 0%, rgba(240, 253, 250, 0.8) 100%);
    padding-top: var(--spacing-3xl);
}

.testimonials h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.testimonials .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.testimonial-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 249, 255, 0.95) 100%);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-slow);
    border: 1px solid rgba(219, 234, 254, 0.6);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -40px;
    right: 10px;
    font-size: 100px;
    color: rgba(59, 130, 246, 0.08);
    font-weight: 700;
}

.testimonial-card:hover {
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.12);
    transform: translateY(-12px);
    border-color: rgba(59, 130, 246, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(219, 234, 254, 0.3) 100%);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    display: block;
    letter-spacing: 0.1em;
}

.testimonial-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
    color: var(--secondary);
    font-style: italic;
}

.testimonial-author {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--medium-gray);
}

.author-name {
    font-weight: 600;
    color: var(--very-dark);
    margin-bottom: var(--spacing-xs);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

/* ============================================
   14. FAQ SECTION
   ============================================ */

.faq {
    background-color: var(--white);
    padding-top: var(--spacing-3xl);
}

.faq h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.faq .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.faq-container {
    max-width: 900px;
    margin: var(--spacing-3xl) auto 0;
}

.faq-item {
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(243, 244, 246, 0.8) 0%, rgba(240, 253, 250, 0.8) 100%);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    transition: all var(--transition-base);
    cursor: pointer;
    color: var(--very-dark);
    border: none;
}

.faq-question:hover {
    background: linear-gradient(135deg, rgba(240, 249, 255, 0.95) 0%, rgba(207, 250, 254, 0.5) 100%);
}

.faq-question.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
}

.faq-toggle {
    font-size: var(--font-size-lg);
    transition: transform var(--transition-base);
}

.faq-question.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
    background-color: var(--white);
}

.faq-answer.active {
    max-height: 500px;
    padding: var(--spacing-2xl);
}

.faq-answer p {
    margin-bottom: 0;
    line-height: var(--line-height-relaxed);
}

/* ============================================
   15. CONTACT SECTION
   ============================================ */

.contact {
    background: linear-gradient(135deg, rgba(243, 244, 246, 0.5) 0%, rgba(240, 249, 255, 0.5) 100%);
    padding-top: var(--spacing-3xl);
    backdrop-filter: blur(50px);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.contact-detail-item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-detail-item h4 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.contact-detail-item p {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

.contact-form {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 249, 255, 0.95) 100%);
    padding: var(--spacing-2xl);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.12);
    border: 1px solid rgba(219, 234, 254, 0.5);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--very-dark);
    font-size: var(--font-size-sm);
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: 10px;
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.95);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    background: var(--white);
}

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

.form-group button {
    width: 100%;
}

/* ============================================
   16. FOOTER
   ============================================ */

.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1e1b4b 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-full);
    top: 50%;
    right: -100px;
    filter: blur(40px);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.footer .logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
    line-height: var(--line-height-relaxed);
}

.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-md);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-bottom p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-lg);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    font-weight: 600;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* ============================================
   17. ANIMATIONS
   ============================================ */

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ============================================
   18. RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 3rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background-color: var(--white);
        padding: var(--spacing-lg) 0;
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
    }
    
    .nav-menu.active {
        max-height: 400px;
    }
    
    .nav-menu li {
        border-bottom: 1px solid var(--medium-gray);
    }
    
    .nav-menu li a {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-graphic {
        height: 300px;
    }
    
    .container-box {
        width: 200px;
        height: 200px;
    }
    
    /* Grids */
    .features-grid,
    .services-grid,
    .industries-grid,
    .testimonials-grid,
    .routes-grid,
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Timeline */
    .timeline-item {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
    
    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    /* Footer */
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 1.875rem;
        --font-size-4xl: 1.5rem;
        --font-size-3xl: 1.25rem;
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-lg);
    }
    
    /* Navigation */
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        display: none;
    }
    
    .nav-menu {
        top: 60px;
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu li a {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .contact-nav-link {
        display: none;
    }
    
    /* Hero */
    .hero {
        min-height: 400px;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-graphic {
        height: 200px;
    }
    
    .container-box {
        width: 150px;
        height: 150px;
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* Feature Cards */
    .feature-card,
    .service-card,
    .industry-card {
        padding: var(--spacing-lg);
    }
    
    .feature-icon,
    .service-icon {
        font-size: 2rem;
    }
    
    /* Timeline */
    .timeline-item {
        grid-template-columns: 50px 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .timeline-number {
        font-size: var(--font-size-lg);
    }
    
    .timeline-content h3 {
        font-size: var(--font-size-base);
    }
    
    /* Contact Form */
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    /* FAQ */
    .faq-question {
        padding: var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .faq-answer.active {
        padding: var(--spacing-lg);
    }
    
    /* Footer */
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .footer-logo {
        font-size: var(--font-size-base);
    }
}

/* Large screens (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
}

/* ============================================
   19. UTILITY & HELPER CLASSES
   ============================================ */

.hidden {
    display: none !important;
}

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

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

.text-muted {
    color: var(--dark-gray);
}

/* ============================================
   20. PRINT STYLES
   ============================================ */

@media print {
    .navbar,
    .footer {
        display: none;
    }
    
    body {
        background: var(--white);
    }
    
    section {
        page-break-inside: avoid;
    }
}