/* ==========================================
   EDUHUB OVERSEAS CONSULTANCY
   Main Stylesheet
   ========================================== */

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
    /* Colors */
    --primary: #1e3a5f;
    --primary-light: #2d5a8a;
    --primary-dark: #0f2440;
    
    --secondary: #3b82f6;
    --secondary-light: #60a5fa;
    --secondary-dark: #2563eb;
    
    --accent: #e63946;
    --accent-light: #f87171;
    --accent-dark: #dc2626;
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --dark: #1f2937;
    --text: #374151;
    --text-light: #6b7280;
    --muted: #9ca3af;
    
    --light: #f9fafb;
    --lighter: #f3f4f6;
    --white: #ffffff;
    
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    
    /* Spacing */
    --container: 1200px;
    --section-spacing: 5rem;
    --section-spacing-mobile: 3rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-heading: 'Poppins', 'Montserrat', sans-serif;
    --font-body: 'Inter', 'Poppins', sans-serif;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-toast: 2000;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

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

.text-primary {
    color: var(--primary);
}

.text-accent {
    color: var(--accent);
}

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

.text-uppercase {
    text-transform: uppercase;
}

/* ==========================================
   LAYOUT
   ========================================== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-sm {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-lg {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-light {
    background-color: var(--light);
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6,
.section-dark p {
    color: var(--white);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: var(--container);
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo svg {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.dropdown-toggle svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.dropdown.active .dropdown-toggle svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--light);
    color: var(--primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--white);
    z-index: var(--z-modal);
    padding: 5rem 1.5rem 2rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: var(--transition);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-nav-link {
    display: block;
    padding: 1rem 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

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

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text);
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

.mobile-dropdown-menu {
    display: none;
    padding-left: 1rem;
}

.mobile-dropdown-menu.active {
    display: block;
}

.mobile-dropdown-item {
    display: block;
    padding: 0.75rem 0;
    color: var(--text-light);
    font-size: 1rem;
}

.mobile-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-close svg {
    width: 32px;
    height: 32px;
}

/* ==========================================
   HERO
   ========================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.9) 0%, rgba(59, 130, 246, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    padding: 4rem 0;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary-light);
    margin-bottom: 1rem;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================
   HERO SLIDER
   ========================================== */
.hero-slider {
    position: relative;
    margin-top: 80px;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 750px;
    overflow: hidden;
}

.slider-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}

.slider-slide.active {
    opacity: 1;
}

.slider-slide .hero-overlay {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.9) 0%, rgba(59, 130, 246, 0.7) 100%);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.3s ease;
}

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

.slider-btn svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.slider-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.slider-dot.active {
    background-color: var(--white);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    text-align: center;
}

.btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

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

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

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

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

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================
   MAP
   ========================================== */
.map-container {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    display: block;
    width: 100%;
}

/* ==========================================
   CARDS
   ========================================== */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

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

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

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Service Card */
.service-card {
    text-align: center;
    padding: 2rem;
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light);
    border-radius: var(--radius-md);
    color: var(--primary);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

/* Country Card */
.country-card {
    position: relative;
    overflow: hidden;
}

.country-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.country-card:hover .country-card-image {
    transform: scale(1.1);
}

.country-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
}

.country-card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.country-card-text {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

/* Blog Card */
.blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.blog-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0.75rem;
}

/* ==========================================
   SECTIONS
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Flex Layouts */
.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.gap-3 {
    gap: 1.5rem;
}

.gap-4 {
    gap: 2rem;
}

/* Split Section */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.split-section-image {
    order: 2;
}

.split-section-content {
    order: 1;
}

.split-section.reverse .split-section-image {
    order: 1;
}

.split-section.reverse .split-section-content {
    order: 2;
}

/* ==========================================
   FORMS
   ========================================== */
.form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-control.error {
    border-color: var(--error);
}

.form-error {
    display: none;
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-control.error + .form-error {
    display: block;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 20px;
    padding-right: 3rem;
}

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

.form-success {
    display: none;
    padding: 1rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-md);
    color: var(--success);
    text-align: center;
}

.form-success.show {
    display: block;
}

/* ==========================================
   TIMELINE
   ========================================== */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--border);
}

.timeline-item {
    position: relative;
    padding: 2rem;
    margin-bottom: 2rem;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 2rem);
    text-align: right;
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 2rem);
    text-align: left;
}

.timeline-marker {
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
}

.timeline-content {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 4rem 2rem;
    border-radius: var(--radius-lg);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   STATS SECTION
   ========================================== */
.stats-section {
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 600;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    padding-right: 2rem;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--white);
    transition: var(--transition);
}

.footer-social-link:hover {
    background-color: var(--primary);
}

.footer-social-link svg {
    width: 20px;
    height: 20px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-bottom-link:hover {
    color: var(--white);
}

/* ==========================================
   FLOATING CONTACT
   ========================================== */
.floating-contact {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: var(--z-sticky);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.floating-contact-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--success);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.floating-contact-btn:hover {
    transform: scale(1.1);
}

.floating-contact-btn svg {
    width: 28px;
    height: 28px;
}

.floating-contact-btn.phone {
    background-color: var(--primary);
}

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

.visually-hidden {
    visibility: hidden;
}

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.text-white {
    color: var(--white);
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

/* ==========================================
   ACCESSIBILITY
   ========================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: 1rem;
    z-index: var(--z-modal);
    transition: var(--transition);
}

.skip-link:focus {
    top: 0;
}

/* Focus styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .header,
    .footer,
    .floating-contact,
    .btn {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}
