/* ========================================
   GLOBAL STYLES & RESET
========================================= */

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

html {
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    max-width: 100vw;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    /* mix-blend-mode: difference; */
    transition: transform 0.2s ease;
}

/* ========================================
   CSS VARIABLES - LIGHT MODE
========================================= */

:root {
    --primary: #6366f1;
    --secondary: #8b5cf6;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --card-bg: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

/* ========================================
   CSS VARIABLES - DARK MODE
========================================= */

body.dark-mode {
    --dark: #f8fafc;
    --light: #1e293b;
    --gray: #94a3b8;
    --border: #334155;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --card-bg: #1e293b;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* ========================================
   BASE TYPOGRAPHY & BODY
========================================= */

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
}

/* ========================================
   DARK MODE TOGGLE BUTTON
========================================= */

.theme-toggle {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--card-bg);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.theme-toggle i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

/* Moon icon (visible in light mode) */
.theme-toggle .fa-moon {
    color: var(--primary);
    opacity: 1;
}

/* Sun icon (hidden in light mode) */
.theme-toggle .fa-sun {
    color: #f59e0b;
    opacity: 0;
    transform: translate(-50%, -50%) rotate(180deg);
}

/* Dark mode active state */
body.dark-mode .theme-toggle .fa-moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-180deg);
}

body.dark-mode .theme-toggle .fa-sun {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* ========================================
   LOGO SWITCHING FOR DARK MODE
========================================= */

.logo-light {
    display: block;
}

.logo-dark {
    display: none;
}

body.dark-mode .logo-light {
    display: none;
}

body.dark-mode .logo-dark {
    display: block;
}

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 20px var(--shadow);
}

/* Navbar on scroll */
.navbar.scrolled {
    padding: 1.5rem 0;
    box-shadow: 0 2px 20px var(--shadow);
    border-bottom: 1px solid var(--border);
}

.navbar .container > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Logo */
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
}

.menu-toggle span {
    background: var(--text-primary);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary);
}

/* ========================================
   BUTTONS
========================================= */

/* Primary Button */
.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    padding: 0.75rem 1.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* White Button */
.btn-white {
    background: white;
    color: var(--primary);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

/* Hero Animated Gradient Background */
.hero-gradient {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 70%;
    height: 120%;
    background: radial-gradient(
        ellipse at center,
        rgba(99, 102, 241, 0.15) 0%,
        rgba(139, 92, 246, 0.1) 25%,
        rgba(99, 102, 241, 0.05) 50%,
        transparent 70%
    );
    border-radius: 50%;
    animation: gradientFloat 20s ease-in-out infinite;
    pointer-events: none;
}

/* Dark mode gradient adjustment */
body.dark-mode .hero-gradient {
    background: radial-gradient(
        ellipse at center,
        rgba(99, 102, 241, 0.25) 0%,
        rgba(139, 92, 246, 0.15) 25%,
        rgba(99, 102, 241, 0.08) 50%,
        transparent 70%
    );
}

/* Gradient floating animation */
@keyframes gradientFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    25% {
        transform: translate(-5%, 5%) scale(1.05);
        opacity: 0.8;
    }
    50% {
        transform: translate(-10%, -5%) scale(0.95);
        opacity: 1;
    }
    75% {
        transform: translate(5%, -10%) scale(1.05);
        opacity: 0.8;
    }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 1;
}

/* Hero Label Badge */
.hero-label {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

body.dark-mode .hero-label {
    background: rgba(99, 102, 241, 0.2);
}

.hero-label i {
    margin-right: 0.5rem;
}

/* Hero Title */
.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Description */
.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Hero Action Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Hero Image Container */
.hero-image {
    position: relative;
}

/* Hero Feature Card */
.hero-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 30px 80px var(--shadow);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    margin-left: 2rem;
}

/* Hero Card Top Border Accent */
.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.hero-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* Feature List */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li:hover {
    padding-left: 0.5rem;
}

/* Feature Check Icon */
.feature-icon-check {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    font-size: 0.875rem;
}

.feature-list li span {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.0625rem;
}

/* ========================================
   STATISTICS SECTION
========================================= */

.stats {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

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

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

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ========================================
   SERVICES SECTION
========================================= */

.services {
    padding: 6rem 0;
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-label {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-primary);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Service Card */
.service-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px var(--shadow);
    transform: translateY(-5px);
    border-color: var(--primary);
} 

/* Service Icon */
.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

body.dark-mode .service-icon {
    background: rgba(99, 102, 241, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Service Link */
.service-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   ABOUT SECTION
========================================= */

.about {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

/* About Text Content */
.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
}

/* About Features List */
.about-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.about-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
}

/* About Image Card */
.about-image {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 16px;
    padding: 3rem;
    color: white;
}

.about-image h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* ========================================
   PROJECT SECTION
========================================= */

.project {
    padding: 6rem 0;
}

/* Project Card */
.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px var(--shadow);
}

.project-image img {
    transition: transform 0.3s ease;
}

/* Project Image Container */
.project-image {
    height: 400px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    overflow: hidden;
}

/* Project Content */
.project-content {
    padding: 2.5rem;
}

/* Project Tag */
.project-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

body.dark-mode .project-tag {
    background: rgba(99, 102, 241, 0.2);
}

.project-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

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

/* Process Grid */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

/* Process Step */
.process-step {
    text-align: center;
    padding: 2rem;
}

/* Process Number Badge */
.process-number {
    width: 70px;
    height: 70px;
    background: var(--card-bg);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ========================================
   CALL TO ACTION SECTION
========================================= */

.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* ========================================
   CONTACT SECTION
========================================= */

.contact {
    padding: 6rem 0;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Contact Item */
.contact-item {
    display: flex;
    gap: 1.5rem;
}

/* Contact Icon */
.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

body.dark-mode .contact-icon {
    background: rgba(99, 102, 241, 0.2);
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

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

.footer {
    padding: 3rem 0;
    background: var(--dark);
    color: white;
    text-align: center;
}

body.dark-mode .footer {
    background: #0a0f1a;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

/* Footer Logo */
.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
}

/* Footer Links */
.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* ========================================
   ANIMATIONS
========================================= */

/* Elements to animate on scroll */
.service-card, 
.stat-item, 
.process-step, 
.project-card, 
.contact-item, 
.about-text, 
.about-image {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animated state */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Hero content animation */
.hero-content {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero card animation */
.hero-card {
    animation: fadeInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s backwards;
}

/* Keyframe: Fade in from bottom */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Keyframe: Fade in from right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Keyframe: Floating animation */
@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Floating hero card */
.hero-card.floating {
    animation: floatUpDown 3s ease-in-out infinite;
}

/* Hover animations */
.service-card:hover, 
.stat-item:hover, 
.process-step:hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   RESPONSIVE DESIGN - TABLET
========================================= */

@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    /* tablet Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--card-bg);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 10px 30px var(--shadow);
    }
    
    .nav-menu.active {
        left: 0;
    }

    /* Hamburger Menu Toggle */
    .menu-toggle {
        display: block;
        width: 20px;
        height: 18px;
        position: relative;
        cursor: pointer;
    }

    .menu-toggle span {
        position: absolute;
        width: 100%;
        height: 3px;
        background: var(--text-primary);
        border-radius: 3px;
        transition: all 0.3s ease;
    }

    .menu-toggle span:nth-child(1) {
        top: 0;
    }

    .menu-toggle span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .menu-toggle span:nth-child(3) {
        bottom: 0;
    }

    /* Hamburger active state (X) */
    .menu-toggle.active span:nth-child(1) {
        top: 50%;
        transform: translateY(-50%) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        bottom: 50%;
        transform: translateY(50%) rotate(-45deg);
    }

    /* Typography for mobile */
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Single column grids */
    .services-grid,
    .process-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Button layout */
    .hero-buttons {
        flex-direction: column;
    }

    /* Footer layout */
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 992px) {
    /* Typography adjustments */
    .hero h1 {
        font-size: 3rem;
    }

    /* Grid adjustments */
    .services-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    /* Hero card adjustment */
    .hero-card {
        margin-left: 0;
        margin-top: 2rem;
        margin-bottom: 15px;
    }
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE
========================================= */

@media (max-width: 768px) {
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--card-bg);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .hero {
        padding-top: 140px;
    }

    .nav-menu.active {
        left: 0;
    }

    /* Hamburger Menu */
    .menu-toggle {
        display: block;
        width: 20px;
        height: 18px;
        position: relative;
        cursor: pointer;
    }

    .menu-toggle span {
        position: absolute;
        width: 100%;
        height: 3px;
        background: var(--text-primary);
        border-radius: 3px;
        transition: all 0.3s ease;
    }

    .menu-toggle span:nth-child(1) {
        top: 0;
    }

    .menu-toggle span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .menu-toggle span:nth-child(3) {
        bottom: 0;
    }

    .menu-toggle.active span:nth-child(1) {
        top: 50%;
        transform: translateY(-50%) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        bottom: 50%;
        transform: translateY(50%) rotate(-45deg);
    }

    /* Typography for mobile */
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-card {
        margin-left: 0;
        margin-top: 2rem;
        margin-bottom: 15px;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Single column grids */
    .services-grid,
    .process-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Button layout */
    .hero-buttons {
        flex-direction: column;
    }

    /* Footer layout */
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}

/* Go to Top Button */
.go-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    width: 50px;
    height: 50px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

body.dark-mode .go-to-top-btn {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.go-to-top-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
}