/*
 * U-TOUCH Website - Main Stylesheet
 * Version: 1.0
 *
 * Table of Contents:
 * 1. CSS Variables
 * 2. Reset & Base Styles
 * 3. Typography
 * 4. Layout & Grid
 * 5. Header & Navigation
 * 6. Footer
 * 7. Buttons
 * 8. Forms
 * 9. Cards
 * 10. Hero Sections
 * 11. Sections & Components
 * 12. Utilities
 * 13. Animations
 * 14. Responsive Styles
 */

/* ==========================================================================
   1. CSS Variables
   ========================================================================== */
:root {
    /* Primary Colors - Teal (matches original WordPress) */
    --primary-color: #008080;
    --primary-dark: #006666;
    --primary-light: #00a0a0;

    /* Secondary Colors - Magenta/Pink (matches original WordPress) */
    --secondary-color: #C93384;
    --secondary-dark: #a02a6a;
    --secondary-light: #d94d9a;

    /* Accent Colors - Navy Blue (matches original WordPress) */
    --accent-color: #003E7E;
    --accent-dark: #002d5c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --error-color: #e74c3c;

    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Roboto', Georgia, serif;
    --font-accent: 'Georgia', 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;

    /* 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;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-muted { color: var(--gray-600); }
.text-white { color: var(--white); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ==========================================================================
   4. Layout & Grid
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-md) * -0.5);
}

.row > * {
    padding: 0 calc(var(--spacing-md) * 0.5);
}

/* Grid Columns */
.col { flex: 1; }
.col-auto { flex: 0 0 auto; width: auto; }
.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* ==========================================================================
   5. Header & Navigation
   ========================================================================== */
.site-header {
    position: relative;
    z-index: var(--z-sticky);
}

/* Top Bar */
.header-top-bar {
    background-color: var(--primary-color);
    padding: var(--spacing-sm) 0;
}

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

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.2);
    transition: all var(--transition-fast);
}

.social-icon svg {
    width: 16px;
    height: 16px;
    fill: var(--white);
}

.social-icon:hover {
    background-color: var(--white);
}

.social-icon:hover svg {
    fill: var(--primary-color);
}

.btn-login {
    color: var(--white);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

/* Main Navigation */
.main-navigation {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.main-navigation.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.site-logo {
    flex-shrink: 0;
}

.logo-img {
    height: 60px;
    width: auto;
}

.nav-menu-wrapper {
    display: flex;
    align-items: center;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-sm);
    color: var(--gray-800);
    font-family: var(--font-accent);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Dropdown Arrow */
.dropdown-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.nav-item.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
    padding-left: calc(var(--spacing-lg) + 5px);
}

/* Nav CTA Button */
.nav-cta {
    margin-left: var(--spacing-lg);
}

.btn-donate {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-donate:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: var(--z-fixed);
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--gray-800);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 85%;
    height: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transition: right var(--transition-base);
    overflow-y: auto;
}

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

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-logo img {
    height: 40px;
}

.mobile-nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

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

.mobile-menu {
    padding: var(--spacing-md);
}

.mobile-menu > li {
    border-bottom: 1px solid var(--gray-200);
}

.mobile-menu > li > a {
    display: block;
    padding: var(--spacing-md);
    color: var(--gray-800);
    font-weight: 500;
}

.mobile-menu > li > a:hover {
    color: var(--primary-color);
}

.mobile-menu .submenu {
    padding-left: var(--spacing-lg);
    display: none;
}

.mobile-menu .has-submenu.open .submenu {
    display: block;
}

.mobile-menu .submenu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.mobile-menu .submenu li a:hover {
    color: var(--primary-color);
}

.mobile-nav-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.mobile-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.mobile-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--gray-100);
    transition: all var(--transition-fast);
}

.mobile-social a svg {
    width: 20px;
    height: 20px;
    fill: var(--gray-600);
}

.mobile-social a:hover {
    background-color: var(--primary-color);
}

.mobile-social a:hover svg {
    fill: var(--white);
}

/* ==========================================================================
   6. Footer
   ========================================================================== */
.site-footer {
    background-color: var(--secondary-color);
    color: var(--white);
}

.footer-main {
    padding: var(--spacing-3xl) 0;
}

.footer-column {
    margin-bottom: var(--spacing-xl);
}

.footer-widget {
    height: 100%;
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 50px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.widget-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

/* Subscribe Widget */
.subscribe-widget p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.subscribe-form .form-group {
    display: flex;
    gap: 0;
}

.subscribe-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: var(--font-size-sm);
}

.subscribe-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.subscribe-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.15);
}

.btn-subscribe {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-color);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-subscribe svg {
    width: 20px;
    height: 20px;
    stroke: var(--white);
}

.btn-subscribe:hover {
    background-color: var(--primary-dark);
}

/* Footer Bottom */
.footer-bottom {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    text-align: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* ==========================================================================
   7. Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

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

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

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

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

/* ==========================================================================
   8. Forms
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--gray-800);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(213, 64, 54, 0.1);
}

.form-control::placeholder {
    color: var(--gray-500);
}

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

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

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

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   10. Hero Sections
   ========================================================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

/* Breadcrumb */
.breadcrumb-section {
    padding: var(--spacing-3xl) 0;
    background-size: cover;
    background-position: center;
    position: relative;
}

.breadcrumb-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.breadcrumb-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.breadcrumb-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.breadcrumb-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.breadcrumb-nav a,
.breadcrumb-nav span {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.breadcrumb-nav a:hover {
    color: var(--white);
}

.breadcrumb-nav .separator {
    color: var(--primary-color);
}

/* ==========================================================================
   11. Sections & Components
   ========================================================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section-description {
    color: var(--gray-600);
}

/* Background Variations */
.bg-light {
    background-color: var(--gray-100);
}

.bg-dark {
    background-color: var(--secondary-color);
    color: var(--white);
}

.bg-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ==========================================================================
   12. Utilities
   ========================================================================== */
/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flexbox */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.gap-1 { gap: var(--spacing-xs) !important; }
.gap-2 { gap: var(--spacing-sm) !important; }
.gap-3 { gap: var(--spacing-md) !important; }
.gap-4 { gap: var(--spacing-lg) !important; }
.gap-5 { gap: var(--spacing-xl) !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }
.my-1 { margin-top: var(--spacing-xs) !important; margin-bottom: var(--spacing-xs) !important; }
.my-2 { margin-top: var(--spacing-sm) !important; margin-bottom: var(--spacing-sm) !important; }
.my-3 { margin-top: var(--spacing-md) !important; margin-bottom: var(--spacing-md) !important; }
.my-4 { margin-top: var(--spacing-lg) !important; margin-bottom: var(--spacing-lg) !important; }
.my-5 { margin-top: var(--spacing-xl) !important; margin-bottom: var(--spacing-xl) !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }
.py-1 { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; }
.py-2 { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; }
.py-3 { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }
.py-4 { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }
.py-5 { padding-top: var(--spacing-xl) !important; padding-bottom: var(--spacing-xl) !important; }

/* Width & Height */
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

/* Position */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }

/* ==========================================================================
   13. Animations
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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

@keyframes fadeInRight {
    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-fadeIn { animation: fadeIn 0.6s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.6s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.6s ease forwards; }

/* ==========================================================================
   14. Responsive Styles
   ========================================================================== */
/* Large devices (desktops, less than 1200px) */
@media (max-width: 1199.98px) {
    .container {
        max-width: 960px;
    }

    .nav-link {
        padding: var(--spacing-md) var(--spacing-xs);
        font-size: var(--font-size-sm);
    }
}

/* Medium devices (tablets, less than 992px) */
@media (max-width: 991.98px) {
    .container {
        max-width: 720px;
    }

    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
    h3 { font-size: var(--font-size-2xl); }

    .nav-menu-wrapper,
    .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    /* Grid columns for tablet */
    .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%; }
}

/* Small devices (landscape phones, less than 768px) */
@media (max-width: 767.98px) {
    .container {
        max-width: 540px;
    }

    .header-top-bar .row {
        justify-content: center;
    }

    .header-top-bar .col-md-4 {
        text-align: center;
    }

    .text-end {
        text-align: center !important;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .footer-column {
        flex: 0 0 50%;
        max-width: 50%;
    }

    /* Grid columns for small */
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }

    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

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

    .footer-column {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* Large column classes */
@media (min-width: 992px) {
    .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}