/* ============================================
   HORIZON BRIDGE - Premium Design System 2025
   ============================================ */

/* CSS Variables */
:root {
    /* Brand Colors */
    --green-950: #022c22;
    --green-900: #064e3b;
    --green-800: #065f46;
    --green-700: #047857;
    --green-600: #059669;
    --green-500: #10b981;
    --green-400: #34d399;
    --green-300: #6ee7b7;
    --green-200: #a7f3d0;
    --green-100: #d1fae5;
    --green-50: #ecfdf5;
    
    --yellow-600: #ca8a04;
    --yellow-500: #eab308;
    --yellow-400: #facc15;
    --yellow-300: #fde047;
    --yellow-200: #fef08a;
    --yellow-100: #fef9c3;
    --yellow-50: #fefce8;
    
    --gray-950: #030712;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --container-max: 1280px;
    --container-lg: 1440px;
    --section-padding: 100px;
    --section-padding-sm: 60px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-3xl: 32px;
    --radius-full: 9999px;
    
    /* Shadows - 2025 Style (softer, more layered) */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 4px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.04), 0 16px 48px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 32px rgba(0,0,0,0.06), 0 32px 64px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 40px rgba(16,185,129,0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { margin-bottom: 1rem; }

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.container-lg {
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 32px;
}

/* Buttons - 2025 Premium Style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--yellow-500), var(--yellow-400));
    color: var(--gray-900);
    box-shadow: 0 4px 16px rgba(234, 179, 8, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--yellow-400), var(--yellow-300));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(234, 179, 8, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--green-700), var(--green-600));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(5, 150, 105, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--green-600), var(--green-500));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(5, 150, 105, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--green-700);
    border: 2px solid var(--green-200);
}

.btn-outline:hover {
    background: var(--green-50);
    border-color: var(--green-400);
}

.btn-white {
    background: var(--white);
    color: var(--green-800);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* ============================================
   HEADER - Premium Glassmorphism Style
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    transition: all var(--transition-slow);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(6, 78, 59, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-slow);
}

.header.scrolled::before {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05), var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.header.scrolled .logo-img {
    width: 42px;
    height: 42px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    transition: color var(--transition-base);
    white-space: nowrap;
}

.header.scrolled .logo-name {
    color: var(--gray-900);
}

.logo-tagline {
    font-size: 10px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color var(--transition-base);
    white-space: nowrap;
}

.header.scrolled .logo-tagline {
    color: var(--gray-500);
}

/* Mobile logo adjustments */
@media (max-width: 768px) {
    .logo-img {
        width: 40px;
        height: 40px;
    }
    
    .header.scrolled .logo-img {
        width: 38px;
        height: 38px;
    }
    
    .logo-name {
        font-size: 16px;
    }
    
    .logo-tagline {
        font-size: 9px;
        letter-spacing: 0.3px;
    }
    
    .logo {
        gap: 10px;
    }
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    transition: all var(--transition-base);
}

.header.scrolled .nav-link {
    color: var(--gray-700);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--green-700);
    background: var(--green-50);
}

.nav-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.nav-item:hover .nav-link svg {
    transform: rotate(180deg);
}

/* Dropdown Menus */
.dropdown,
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    z-index: 100;
}

.nav-item:hover .dropdown,
.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown {
    min-width: 260px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 12px;
    border: 1px solid var(--gray-100);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.dropdown-item:hover {
    background: var(--green-50);
}

.dropdown-icon {
    font-size: 22px;
}

.dropdown-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
}

.dropdown-desc {
    font-size: 13px;
    color: var(--gray-500);
}

/* Mega Menu */
.mega-menu {
    width: 680px;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: 24px;
    border: 1px solid var(--gray-100);
}

.mega-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.mega-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.mega-item:hover {
    background: var(--green-50);
}

.mega-icon {
    width: 44px;
    height: 44px;
    background: var(--green-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.mega-item:hover .mega-icon {
    background: var(--green-600);
    transform: scale(1.05);
}

.mega-item:hover .mega-icon span {
    filter: grayscale(1) brightness(10);
}

.mega-content h4 {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.mega-content p {
    font-size: 13px;
    color: var(--gray-500);
    margin: 0;
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-base);
}

.header.scrolled .header-phone {
    color: var(--gray-700);
}

.header-phone svg {
    width: 18px;
    height: 18px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    width: 48px;
    height: 48px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.mobile-toggle span,
.mobile-toggle span::before,
.mobile-toggle span::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all var(--transition-base);
}

.header.scrolled .mobile-toggle span,
.header.scrolled .mobile-toggle span::before,
.header.scrolled .mobile-toggle span::after {
    background: var(--gray-800);
}

.mobile-toggle span {
    top: 50%;
    margin-top: -1px;
}

.mobile-toggle span::before {
    content: '';
    top: -8px;
}

.mobile-toggle span::after {
    content: '';
    top: 8px;
}

.mobile-toggle.active span {
    background: transparent;
}

.mobile-toggle.active span::before {
    top: 0;
    transform: translateX(-50%) rotate(45deg);
    background: var(--gray-800);
}

.mobile-toggle.active span::after {
    top: 0;
    transform: translateX(-50%) rotate(-45deg);
    background: var(--gray-800);
}

/* Hide desktop nav, show mobile toggle on small screens */
@media (max-width: 992px) {
    .main-nav,
    .header-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .header-inner {
        padding: 0 4px;
    }
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    padding: 100px 24px 40px;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
}

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

.mobile-nav-link {
    display: block;
    padding: 18px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    border-bottom: 1px solid var(--gray-100);
}

.mobile-cta {
    margin-top: 32px;
}

.mobile-cta .btn {
    width: 100%;
}

/* ============================================
   PAGE HERO
   ============================================ */
.page-hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--green-900), var(--green-800));
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at 70% 30%, rgba(234, 179, 8, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.page-hero-content {
    max-width: 720px;
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}

.breadcrumb a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

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

.breadcrumb svg {
    width: 16px;
    height: 16px;
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb-current {
    font-size: 14px;
    color: var(--yellow-400);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--yellow-500);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: 20px;
}

.page-hero-text {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin: 0;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
    padding: var(--section-padding) 0;
}

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

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-600);
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--green-950);
    padding: 80px 0 40px;
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin: 20px 0 24px;
    font-size: 15px;
    line-height: 1.7;
}

.footer h5 {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-links li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--yellow-400);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--yellow-500);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
}

.social-link:hover svg {
    fill: var(--gray-900);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
    color: var(--white);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 998;
}

.whatsapp-btn {
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
    fill: var(--white);
}

@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.6); }
}

.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--white);
    padding: 10px 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   COOKIE CONSENT
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gray-900);
    padding: 20px 24px;
    z-index: 9999;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin: 0;
}

.cookie-text a {
    color: var(--yellow-400);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 12px;
}

.cookie-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
}

.cookie-btn-accept {
    background: var(--yellow-500);
    color: var(--gray-900);
}

.cookie-btn-accept:hover {
    background: var(--yellow-400);
}

.cookie-btn-decline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-btn-decline:hover {
    border-color: var(--white);
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* reCAPTCHA placeholder */
.recaptcha-wrapper {
    margin: 24px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid var(--gray-100);
    transition: all var(--transition-slow);
}

.card:hover {
    border-color: var(--green-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-dark {
    background: var(--green-900);
    border-color: transparent;
}

.card-dark:hover {
    background: var(--green-800);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .mega-menu {
        width: 560px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .main-nav,
    .header-cta {
        display: none;
    }
    
    .mobile-toggle,
    .mobile-menu {
        display: block;
    }
    
    .page-hero {
        padding: 140px 0 80px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
    }
    
    .whatsapp-btn {
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 28px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

/* Scroll Animation Delay */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }