/* ============================================
   LİÖON SİNAİ GAZ HELYUM GAZI TEDARİK
   Kurumsal Web Sitesi - Ana Stil Dosyası
   ============================================ */

/* CSS Reset & Variables */
:root {
    --primary: #b00000;
    --primary-dark: #8b0000;
    --primary-light: #d32f2f;
    --secondary: #1a73e8;
    --accent: #25d366;
    --dark: #202124;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    --whatsapp: #25D366;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --shadow-xl: 0 12px 48px rgba(0,0,0,0.2);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
    --font-main: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--gray-800);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--dark);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5em;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.top-bar {
    background: var(--dark);
    color: var(--white);
    padding: 6px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.top-bar-left a {
    color: var(--gray-400);
    transition: var(--transition);
}

.top-bar-left a:hover {
    color: var(--white);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-bar-right .social-link {
    color: var(--gray-400);
    font-size: 1rem;
}

.top-bar-right .social-link:hover {
    color: var(--accent);
}

.header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    padding-bottom: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.logo-text small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--gray-600);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: 10px 14px;
    color: var(--gray-800);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--primary);
    color: var(--white);
}

.nav-menu .dropdown {
    position: relative;
}

.nav-menu .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    z-index: 1001;
    border: 1px solid var(--gray-200);
}

.nav-menu .dropdown:hover .dropdown-content {
    display: block;
}

.nav-menu .dropdown-content a {
    padding: 10px 16px;
    font-size: 0.85rem;
    border-radius: 0;
    border-bottom: 1px solid var(--gray-100);
}

.nav-menu .dropdown-content a:last-child {
    border-bottom: none;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 5px;
}

/* ============================================
   HERO / BANNER SECTION
   ============================================ */
.hero-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

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

.hero-slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(176,0,0,0.3) 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 10;
    width: 90%;
    max-width: 800px;
}

.hero-content h1 {
    color: var(--white);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 25px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-slider-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 20;
}

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

.hero-slider-dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.4);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 20;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: var(--primary);
}

.slider-arrow.prev { left: 15px; }
.slider-arrow.next { right: 15px; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

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

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

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

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

.btn-secondary:hover {
    background: #1557b0;
    color: var(--white);
}

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

.btn-success:hover {
    background: #1eba54;
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
    padding: 70px 0;
}

.section-alt {
    background: var(--gray-100);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray-600);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 15px auto 0;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

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

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.card-text {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition);
}

.gallery-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    padding: 15px;
    color: var(--white);
    font-size: 0.9rem;
}

.gallery-item .num {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius-md);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    z-index: 10000;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    padding: 10px;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav.prev { left: 20px; }
.lightbox-nav.next { right: 20px; }

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(176,0,0,0.1);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding-top: 60px;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.footer p {
    line-height: 1.8;
    font-size: 0.9rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: var(--primary);
    margin-top: 4px;
    min-width: 20px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* Footer Widget - Live Stats */
.footer-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.footer-stat {
    background: rgba(255,255,255,0.05);
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    text-align: center;
    flex: 1;
    min-width: 100px;
}

.footer-stat .label {
    font-size: 0.75rem;
    color: var(--gray-500);
    display: block;
}

.footer-stat .value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    background: var(--gray-100);
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 8px;
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.breadcrumb-list li::after {
    content: '/';
    margin-left: 8px;
    color: var(--gray-500);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

.breadcrumb-list a {
    color: var(--gray-600);
}

.breadcrumb-list a:hover {
    color: var(--primary);
}

.breadcrumb-list .active {
    color: var(--primary);
    font-weight: 600;
}

/* ============================================
   FLOATING BUTTONS
   ============================================ */
.floating-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    display: none;
}

.floating-buttons-inner {
    display: flex;
    background: var(--white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    border-top: 1px solid var(--gray-200);
}

.floating-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 5px;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    gap: 3px;
    transition: var(--transition);
}

.floating-btn i {
    font-size: 1.3rem;
}

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

.floating-btn.phone {
    background: var(--success);
    color: var(--white);
}

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

/* Desktop fixed buttons */
.fixed-buttons {
    position: fixed;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fixed-buttons.right {
    right: 20px;
    bottom: 100px;
}

.fixed-buttons.left {
    left: 20px;
    bottom: 100px;
}

.fixed-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-decoration: none;
    animation: pulse 2s infinite;
}

.fixed-btn:hover {
    transform: scale(1.1);
    color: var(--white);
}

.fixed-btn.whatsapp {
    background: var(--whatsapp);
}

.fixed-btn.phone {
    background: var(--success);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ============================================
   CITY PAGES
   ============================================ */
.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.city-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: var(--dark);
}

.city-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    color: var(--dark);
}

.city-card h3 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.city-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ============================================
   TABLE STYLES
   ============================================ */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background: var(--dark);
    color: var(--white);
    font-weight: 600;
}

.table tr:hover {
    background: var(--gray-100);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Counter Animation */
.counter {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 1.7rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.2rem; }

    .hero-slider { height: 400px; }
    .hero-content h1 { font-size: 1.8rem; }
    .hero-content p { font-size: 1rem; }

    .top-bar { display: none; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        max-height: 70vh;
        overflow-y: auto;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section {
        padding: 40px 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-lg {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .fixed-buttons { display: none; }
    .floating-buttons { display: block; }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-slider { height: 350px; }
    .hero-content h1 { font-size: 1.5rem; }

    .container {
        padding: 0 12px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .gallery-item img {
        height: 150px;
    }

    .city-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary) !important; }
.text-white { color: var(--white) !important; }
.text-muted { color: var(--gray-600) !important; }
.bg-primary { background-color: var(--primary) !important; }
.bg-dark { background-color: var(--dark) !important; }
.bg-light { background-color: var(--gray-100) !important; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }
.rounded { border-radius: var(--radius-md); }
.shadow { box-shadow: var(--shadow-md); }
.fw-bold { font-weight: 700; }
.fs-sm { font-size: 0.85rem; }
.fs-lg { font-size: 1.1rem; }