/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* 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 Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border 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);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: 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(--spacing-4);
    color: var(--gray-600);
}

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

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

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

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

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

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

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-login {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* ===== LOADING SCREEN ===== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.loader {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-4);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: var(--z-fixed);
    transition: all var(--transition-fast);
}

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

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

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand .logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: transparent;
    border: 1px solid var(--gray-300);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

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

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

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

.lang-dropdown a {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

.lang-dropdown a:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.lang-dropdown a:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.lang-dropdown a:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-2);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--gray-700);
    margin: 2px 0;
    transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    animation: fadeIn var(--transition-fast);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 400px;
    width: 90%;
    position: relative;
    animation: slideIn var(--transition-normal);
}

.close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.close:hover {
    color: var(--gray-600);
}

.login-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-6);
    color: var(--gray-900);
}

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-illustration {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 400px;
    height: auto;
    opacity: 0.3;
    z-index: 1;
}

.hero-illustration img {
    width: 100%;
    height: auto;
    filter: brightness(1.2);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(16, 185, 129, 0.6));
    z-index: -1;
}

/* ===== HERO VIDEO STYLES ===== */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -3;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: -3;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -2;
}

/* Video loading state */
.hero-video.loading {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.hero-video.loaded {
    opacity: 1;
}

/* Video error fallback */
.hero-video-container.error .hero-video {
    display: none;
}

.hero-video-container.error::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    z-index: -3;
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 0 var(--spacing-4);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--white);
    margin-bottom: var(--spacing-6);
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--secondary-color);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
    margin: var(--spacing-8) 0;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-6);
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== SECTIONS ===== */
section {
    padding: var(--spacing-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    color: var(--gray-900);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
    background-color: var(--gray-50);
}

.how-it-works-illustration {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.how-it-works-illustration img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.step-card {
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    position: relative;
}

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

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.step-number {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
    background-color: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.step-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
    color: var(--gray-900);
}

.step-card p {
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    color: var(--white);
    font-size: var(--font-size-xl);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
    color: var(--gray-900);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

.service-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-card li {
    padding: var(--spacing-2) 0;
    color: var(--gray-600);
    position: relative;
    padding-left: var(--spacing-6);
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: var(--font-weight-bold);
}

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

/* ===== PARTNERS SECTION ===== */
.partners {
    background-color: var(--gray-50);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.partner-logo {
    background-color: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.partner-logo:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.partner-logo img {
    max-width: 100%;
    max-height: 60px;
    min-height: 40px;
    width: auto;
    height: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.partner-logo:hover img {
    opacity: 1;
}

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

/* ===== SECURITY SECTION ===== */
.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.security-features {
    margin: var(--spacing-8) 0;
}

.security-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    color: var(--gray-900);
}

.feature-content p {
    color: var(--gray-600);
    margin-bottom: 0;
}

.security-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

/* ===== ADAM AI SECTION ===== */
.adam-ai {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.adam-ai::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23e2e8f0" fill-opacity="0.3"><circle cx="30" cy="30" r="1.5"/></g></svg>') repeat;
    opacity: 0.5;
}

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

.adam-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin: var(--spacing-8) 0;
}

.adam-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.adam-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.95);
}

.adam-feature .feature-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.adam-feature .feature-content h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-2);
    color: var(--gray-900);
}

.adam-feature .feature-content p {
    color: var(--gray-600);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

.adam-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.adam-image img {
    width: 200px;
    height: 200px;
    filter: drop-shadow(0 20px 40px rgba(37, 99, 235, 0.2));
}

.tech-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    animation: float 3s ease-in-out infinite;
    opacity: 0.8;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.1);
    }
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    background-color: var(--gray-50);
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
}

.testimonial-card {
    display: none;
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.testimonial-card.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

.stars {
    margin-bottom: var(--spacing-4);
    color: var(--accent-color);
    font-size: var(--font-size-lg);
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: var(--spacing-6);
    line-height: 1.8;
}

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

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-1);
    color: var(--gray-900);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    color: var(--gray-600);
}

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

.testimonials-dots {
    display: flex;
    gap: var(--spacing-2);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-300);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--primary-color);
}

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

.testimonials-cta p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
    color: var(--gray-700);
}

/* ===== FAQ SECTION ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto var(--spacing-12);
}

.faq-item {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    overflow: hidden;
    transition: all var(--transition-fast);
}

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

.faq-question {
    padding: var(--spacing-6);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--gray-50);
}

.faq-question h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    color: var(--gray-900);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-6) var(--spacing-6);
    margin-bottom: 0;
    color: var(--gray-600);
    line-height: 1.7;
}

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

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    color: var(--gray-900);
}

.contact-details p {
    color: var(--gray-600);
    margin-bottom: 0;
}

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

.contact-social h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
    color: var(--gray-900);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form {
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* ===== NEWSLETTER SECTION ===== */
.newsletter {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-8);
}

.newsletter-text h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-3);
    color: var(--white);
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.newsletter-form {
    flex-shrink: 0;
}

.newsletter-form form {
    display: flex;
    gap: var(--spacing-3);
}

.newsletter-form input {
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    min-width: 300px;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

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

.footer-logo img {
    height: 40px;
    margin-bottom: var(--spacing-4);
}

.footer-section p {
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.footer-social .social-link {
    background-color: var(--gray-800);
}

.footer-social .social-link:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-6);
    text-align: center;
    color: var(--gray-500);
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
}

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

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== UTILITY ANIMATIONS ===== */
.fade-in {
    animation: fadeIn var(--transition-slow);
}

.slide-up {
    animation: slideUp var(--transition-slow);
}

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

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #f0f0f0;
        --gray-200: #e0e0e0;
        --gray-300: #c0c0c0;
        --gray-400: #a0a0a0;
        --gray-500: #808080;
        --gray-600: #606060;
        --gray-700: #404040;
        --gray-800: #202020;
        --gray-900: #000000;
    }
}

/* ===== VIDEO MODAL STYLES ===== */
.video-modal-content {
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.video-modal-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
}

.video-modal-header h2 {
    margin-bottom: var(--spacing-4);
    color: var(--gray-900);
}

.video-language-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.lang-tab {
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-tab:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.lang-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.video-container {
    padding: var(--spacing-6);
    text-align: center;
}

.video-container video {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.video-modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.video-modal-footer p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin: 0;
} 