/* ============================================
   HIMANI LOGISTICS - PREMIUM DESIGN SYSTEM
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #0A1628;
    --color-primary-light: #152238;
    --color-primary-dark: #050D18;
    
    /* Secondary Colors */
    --color-secondary: #FF6B35;
    --color-secondary-light: #FF8C5A;
    --color-secondary-dark: #E55A2B;
    
    /* Accent Colors */
    --color-accent: #00A8E8;
    --color-accent-light: #4BC4F0;
    --color-accent-dark: #0085B8;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-off-white: #F8F9FA;
    --color-light-grey: #F1F3F5;
    --color-grey: #6C757D;
    --color-dark-grey: #343A40;
    --color-black: #212529;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0A1628 0%, #152238 100%);
    --gradient-secondary: linear-gradient(135deg, #FF6B35 0%, #FF8C5A 100%);
    --gradient-accent: linear-gradient(135deg, #00A8E8 0%, #4BC4F0 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10, 22, 40, 0.95) 0%, rgba(21, 34, 56, 0.9) 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Font Sizes */
    --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;
    --font-size-6xl: 3.75rem;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: 10px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

h1 {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-extrabold);
}

h2 {
    font-size: var(--font-size-5xl);
}

h3 {
    font-size: var(--font-size-4xl);
}

h4 {
    font-size: var(--font-size-3xl);
}

h5 {
    font-size: var(--font-size-2xl);
}

h6 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark-grey);
}

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-white { color: var(--color-white) !important; }
.text-grey { color: var(--color-grey) !important; }

.bg-primary { background-color: var(--color-primary) !important; }
.bg-secondary { background-color: var(--color-secondary) !important; }
.bg-accent { background-color: var(--color-accent) !important; }
.bg-white { background-color: var(--color-white) !important; }
.bg-light { background-color: var(--color-light-grey) !important; }

.font-weight-light { font-weight: var(--font-weight-light) !important; }
.font-weight-normal { font-weight: var(--font-weight-normal) !important; }
.font-weight-medium { font-weight: var(--font-weight-medium) !important; }
.font-weight-semibold { font-weight: var(--font-weight-semibold) !important; }
.font-weight-bold { font-weight: var(--font-weight-bold) !important; }

.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.flex-column { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }

.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0 { margin-left: 0 !important; }
.mr-0 { margin-right: 0 !important; }

.p-0 { padding: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }
.pl-0 { padding-left: 0 !important; }
.pr-0 { padding-right: 0 !important; }

/* ============================================
   BUTTON STYLES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--gradient-secondary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    background: var(--gradient-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* ============================================
   CARD STYLES
   ============================================ */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.card-body {
    padding: var(--spacing-2xl);
}

.card-header {
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--color-light-grey);
}

.card-footer {
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-top: 1px solid var(--color-light-grey);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

section:last-of-type {
    padding-bottom: 0;
}

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

.section-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-grey);
    max-width: 700px;
    margin: 0 auto;
}

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

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   GRID SYSTEM
   ============================================ */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-lg));
}

.col {
    flex: 1;
    padding: 0 var(--spacing-lg);
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; padding: 0 var(--spacing-lg); }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; padding: 0 var(--spacing-lg); }
.col-3 { flex: 0 0 25%; max-width: 25%; padding: 0 var(--spacing-lg); }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; padding: 0 var(--spacing-lg); }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; padding: 0 var(--spacing-lg); }
.col-6 { flex: 0 0 50%; max-width: 50%; padding: 0 var(--spacing-lg); }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; padding: 0 var(--spacing-lg); }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; padding: 0 var(--spacing-lg); }
.col-9 { flex: 0 0 75%; max-width: 75%; padding: 0 var(--spacing-lg); }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; padding: 0 var(--spacing-lg); }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; padding: 0 var(--spacing-lg); }
.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0 var(--spacing-lg); }

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.6s ease-out;
}

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

/* Force Light Mode - Override System Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #0A1628;
        --color-primary-light: #152238;
        --color-primary-dark: #050D18;
        --color-secondary: #FF6B35;
        --color-secondary-light: #FF8C5A;
        --color-secondary-dark: #E55A2B;
        --color-accent: #00A8E8;
        --color-accent-light: #4BC4F0;
        --color-accent-dark: #0085B8;
        --color-white: #FFFFFF;
        --color-off-white: #F8F9FA;
        --color-light-grey: #F1F3F5;
        --color-grey: #6C757D;
        --color-dark-grey: #343A40;
        --color-black: #212529;
    }
    
    body {
        background-color: #FFFFFF !important;
        color: #212529 !important;
    }
    
    .card {
        background: #FFFFFF !important;
    }
    
    .bg-light {
        background-color: #F1F3F5 !important;
    }
}

@media (max-width: 1200px) {
    h1 { font-size: var(--font-size-5xl); }
    h2 { font-size: var(--font-size-4xl); }
    h3 { font-size: var(--font-size-3xl); }
}

@media (max-width: 992px) {
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
    h3 { font-size: var(--font-size-2xl); }
    
    section {
        padding: var(--spacing-4xl) 0;
    }
    
    .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (max-width: 768px) {
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
    .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-sm-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
    .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
    
    /* Hero Section Tablet Adjustments */
    .hero-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem !important;
    }
    
    .stat-number {
        font-size: 1.75rem !important;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    /* Prevent horizontal scroll */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        position: relative;
    }
    
    /* Ensure common overflow-causing elements fit within viewport */
    img, iframe, video, table, pre {
        max-width: 100% !important;
        height: auto !important;
    }
    
    .container {
        padding: 0 var(--spacing-md);
        max-width: 100% !important;
        overflow-x: hidden !important;
        width: 100% !important;
    }
    
    .container-fluid {
        padding: 0 var(--spacing-md);
        max-width: 100% !important;
        overflow-x: hidden !important;
        width: 100% !important;
    }
    
    .row {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    [class*="col-"] {
        padding-left: var(--spacing-sm) !important;
        padding-right: var(--spacing-sm) !important;
    }
    
    /* Fix table overflow */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Fix form elements */
    input, select, textarea {
        max-width: 100% !important;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    /* Hero Section Mobile Adjustments */
    .hero-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }
    
    .stat-number {
        font-size: 1.5rem !important;
    }
    
    .stat-label {
        font-size: 0.75rem !important;
    }
    
    /* Team Images Mobile */
    .team-section img {
        max-width: 200px;
        margin: 0 auto;
    }
    
    /* Service Cards Mobile */
    .service-card {
        margin-bottom: var(--spacing-lg);
    }
    
    /* Fleet Cards Mobile */
    .fleet-section .card img {
        height: 150px !important;
    }
}