/* ===== GREENFAD - MODERN STYLES ===== */

/* ========== CSS CUSTOM PROPERTIES ========== */
:root {
    /* Brand Colors */
    --greenfad-primary: #00D4AA;
    --greenfad-primary-dark: #00B894;
    --greenfad-primary-light: #55EFC4;
    --greenfad-secondary: #6C5CE7;
    --greenfad-accent: #FDCB6E;
    
    /* Color Palette */
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    --text-light: #A0AEC0;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    /* Semantic Colors */
    --success: #48BB78;
    --warning: #ED8936;
    --error: #F56565;
    --info: #4299E1;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-greenfad: 0 10px 40px rgba(0, 212, 170, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --container-max-width: 1280px;
    --container-padding: var(--space-6);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1050;
}

/* ========== CSS RESET ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2.5rem, 5vw, var(--font-size-5xl)); }
h2 { font-size: clamp(2rem, 4vw, var(--font-size-4xl)); }
h3 { font-size: clamp(1.5rem, 3vw, var(--font-size-3xl)); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

ul {
    list-style: none;
}

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

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

.section {
    padding: var(--space-24) 0;
}

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

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    user-select: none;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--greenfad-primary), var(--greenfad-primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

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

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
    display: flex;
}

/* ========== BADGES ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    line-height: 1;
}

.badge-primary {
    background: rgba(0, 212, 170, 0.1);
    color: var(--greenfad-primary);
}

.badge-secondary {
    background: rgba(108, 92, 231, 0.1);
    color: var(--greenfad-secondary);
}

.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }

/* ========== HEADER & NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 170, 0.1);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: var(--space-4) 0;
}

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

.nav-logo .logo {
    height: 40px;
    width: auto;
    transition: transform var(--transition-fast);
}

.nav-logo:hover .logo {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--greenfad-primary);
    background: rgba(0, 212, 170, 0.05);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
}

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

.dropdown-menu li {
    margin-bottom: var(--space-2);
}

.dropdown-menu li:last-child {
    margin-bottom: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-3);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: rgba(0, 212, 170, 0.05);
    color: var(--greenfad-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ========== SKIP TO CONTENT ========== */
.skip-to-content {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: var(--space-4);
    background: var(--greenfad-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
}

.skip-to-content:focus {
    left: var(--space-4);
    top: var(--space-4);
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, 
        rgba(247, 250, 252, 1) 0%, 
        rgba(237, 242, 247, 1) 30%, 
        rgba(240, 249, 255, 1) 70%, 
        rgba(238, 242, 255, 1) 100%);
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    margin-bottom: var(--space-6);
}

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

.hero-description {
    font-size: var(--font-size-xl);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--greenfad-primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
}

/* ========== SOCIAL PROOF ========== */
.social-proof {
    padding: var(--space-16) 0;
    background: var(--bg-primary);
}

.social-proof-title {
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-8);
}

.clients-logos {
    overflow: hidden;
    position: relative;
    width: 100%;
    background: white;
    padding: var(--space-6) 0;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.clients-logos::before,
.clients-logos::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.clients-logos::before {
    left: 0;
    background: linear-gradient(to right, white, transparent);
}

.clients-logos::after {
    right: 0;
    background: linear-gradient(to left, white, transparent);
}

.clients-logos-track {
    display: flex !important;
    gap: var(--space-12);
    animation: scroll-logos 30s linear infinite !important;
    width: fit-content !important;
    will-change: transform;
}

.clients-logos-track:hover {
    animation-play-state: paused !important;
}

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.client-logo {
    flex-shrink: 0 !important;
    opacity: 0.7;
    transition: all var(--transition-normal);
    filter: grayscale(100%);
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    min-height: 80px;
    width: 180px;
}

.client-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 212, 170, 0.15);
}

.client-logo img {
    height: 50px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

/* ========== SECTION HEADER ========== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* ========== SERVICES SECTION ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 212, 170, 0.1);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-greenfad);
    border-color: var(--greenfad-primary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(108, 92, 231, 0.1));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    font-size: var(--font-size-3xl);
    color: var(--greenfad-primary);
}

.service-card h3 {
    margin-bottom: var(--space-4);
}

.service-features {
    margin: var(--space-6) 0;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--success);
}

/* ========== PROCESS SECTION ========== */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.process-step {
    position: relative;
    padding: var(--space-8);
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 212, 170, 0.1);
    transition: all var(--transition-normal);
}

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

.process-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--greenfad-primary), var(--greenfad-secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    color: white;
    margin-bottom: var(--space-4);
}

.process-content h3 {
    margin-bottom: var(--space-3);
}

/* ========== PORTFOLIO SECTION ========== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-8);
    color: white;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-overlay h3 {
    color: white;
    margin-bottom: var(--space-2);
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-4);
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.testimonial-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 212, 170, 0.1);
    transition: all var(--transition-normal);
}

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

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
    color: var(--greenfad-accent);
}

.testimonial-text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-1);
}

.testimonial-author p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
}

.about-content h2 {
    margin-bottom: var(--space-6);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

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

.value-item i {
    font-size: var(--font-size-3xl);
    color: var(--greenfad-primary);
    margin-bottom: var(--space-3);
}

.value-item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
}

.value-item p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* ========== CTA SECTION ========== */
.cta-section {
    background: linear-gradient(135deg, var(--greenfad-primary), var(--greenfad-secondary));
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--space-6);
}

.cta-content p {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

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

.cta-section .btn-primary:hover {
    background: var(--bg-secondary);
}

.cta-section .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

/* ========== CONTACT SECTION ========== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
    margin-top: var(--space-12);
}

.contact-form {
    display: grid;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-input,
.form-textarea {
    padding: var(--space-4);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    width: 100%;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--greenfad-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-info-item {
    display: flex;
    gap: var(--space-4);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(108, 92, 231, 0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--greenfad-primary);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-1);
}

.contact-details p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin: 0;
}

.contact-social {
    margin-top: var(--space-8);
}

.contact-social h4 {
    margin-bottom: var(--space-4);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-links a {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--greenfad-primary), var(--greenfad-secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-greenfad);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--space-20) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-column h3 {
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-4);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

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

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

.footer-column ul li {
    margin-bottom: var(--space-3);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-column ul li i {
    margin-right: var(--space-2);
    color: var(--greenfad-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

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

/* ========== BACK TO TOP BUTTON ========== */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--greenfad-primary), var(--greenfad-secondary));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
    }
    
    .section {
        padding: var(--space-16) 0;
    }
    
    .nav-menu,
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-24) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .services-grid,
    .portfolio-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    /* Client logos carousel on tablets - keep animation */
    .client-logo {
        min-height: 70px;
        width: 160px;
    }
    
    .client-logo img {
        height: 40px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    
    /* Client logos carousel on mobile - keep animation */
    .clients-logos-track {
        gap: var(--space-8);
    }
    
    .client-logo {
        min-height: 65px;
        padding: var(--space-3);
        width: 140px;
    }
    
    .client-logo img {
        height: 35px;
    }
    
    .social-proof {
        padding: var(--space-12) 0;
    }
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== PRINT STYLES ========== */
@media print {
    .header,
    .footer,
    .back-to-top,
    .btn {
        display: none;
    }
}