/* ============================================
   BuildTorque - Modern Contractor Website
   Primary Colors: Blue (#1E40AF, #3B82F6) & Orange (#EA580C, #F97316)
   ============================================ */

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */

:root {
    --primary-blue: #1E40AF;
    --primary-blue-light: #3B82F6;
    --primary-blue-dark: #1E3A8A;
    
    --primary-orange: #EA580C;
    --primary-orange-light: #F97316;
    --primary-orange-dark: #C2410C;
    
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --text-white: #FFFFFF;
    
    --bg-white: #FFFFFF;
    --bg-gray-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    --bg-dark: #111827;
    
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --navbar-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-tag {
    display: inline-block;
    color: var(--primary-orange);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title .highlight {
    color: var(--primary-orange);
    position: relative;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header {
    margin-bottom: 4rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    transition: var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.4);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--navbar-height);
    gap: 2rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.logo-accent {
    color: var(--primary-orange);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    padding: 0.75rem 0;
    margin-top: 1rem;
}

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

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--bg-gray-light);
    color: var(--primary-orange);
    padding-left: 2rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-top: var(--navbar-height);
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(30, 58, 138, 0.85) 50%, rgba(234, 88, 12, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-orange-light);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Fade-in animations */
.fade-in-text {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ============================================
   TRUST BAR
   ============================================ */

.trust-bar {
    background: var(--bg-gray-light);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.trust-text {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trust-text i {
    color: var(--primary-blue);
    font-size: 1.25rem;
}

.trust-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-white);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    box-shadow: var(--shadow-sm);
}

.badge i {
    color: var(--primary-orange);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problem-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problem-card {
    padding: 2rem;
    background: var(--bg-gray-light);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-orange-light);
}

.problem-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.75rem;
}

.problem-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.problem-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   SOLUTION / FEATURES SECTION
   ============================================ */

.solution-section {
    padding: 6rem 0;
    background: var(--bg-gray-light);
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.feature-card.reverse {
    direction: rtl;
}

.feature-card.reverse > * {
    direction: ltr;
}

.feature-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-number {
    display: inline-block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-orange-light);
    opacity: 0.3;
    margin-bottom: 0.5rem;
}

.feature-content h3 {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-content p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--primary-orange);
    font-size: 1rem;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1rem;
}

.feature-link:hover {
    color: var(--primary-orange);
    gap: 0.75rem;
}

/* ============================================
   INDUSTRIES SECTION
   ============================================ */

.industries-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.industry-card {
    position: relative;
    height: 300px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
}

.industry-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.industry-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-slow);
}

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

.industry-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--text-white);
    transition: var(--transition-base);
}

.industry-card:hover .industry-overlay {
    background: linear-gradient(to top, rgba(234, 88, 12, 0.95), rgba(30, 64, 175, 0.9));
}

.industry-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.industry-overlay p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.industry-arrow {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    background: var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translate(10px, -10px);
    transition: var(--transition-base);
}

.industry-card:hover .industry-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

.industries-more {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 50%, var(--primary-orange) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    text-align: center;
    color: var(--text-white);
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.cta-subtext {
    font-size: 0.875rem;
    opacity: 0.8;
}

.cta-subtext i {
    color: var(--primary-orange-light);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials-section {
    padding: 6rem 0;
    background: var(--bg-gray-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border-top: 4px solid var(--primary-orange);
}

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

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: #FFA500;
    font-size: 1rem;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    font-size: 1.125rem;
    color: var(--primary-blue);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.3);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.step-time {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-gray-light);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.process-arrow {
    text-align: center;
    color: var(--primary-orange);
    font-size: 2rem;
    margin: 1rem 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3,
.footer-column h4 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-blue-light);
}

.footer-logo span {
    color: var(--primary-orange-light);
}

.footer-column p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1rem;
}

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

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-base);
}

.footer-column ul li a:hover {
    color: var(--primary-orange-light);
    padding-left: 0.5rem;
}

.footer-column ul li i {
    color: var(--primary-orange-light);
}

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

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

.footer-links a:hover {
    color: var(--primary-orange-light);
}

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

@media (max-width: 1024px) {
    .feature-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-card.reverse {
        direction: ltr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--navbar-height));
        background: var(--bg-white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: var(--transition-base);
        box-shadow: var(--shadow-xl);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 0.5rem;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .problem-grid,
    .industries-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-content {
        justify-content: center;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
}

/* ============================================
   ANIMATIONS (AOS-like)
   ============================================ */

[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="zoom-in"] {
    transform: scale(0.95);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.4);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.5);
}