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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-color);
    padding: 1.25rem 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.logo h1 {
    font-size: 1.875rem;
    font-weight: 800;
    background: var(--bg-gradient);
    background-clip: text;
    letter-spacing: -0.5px;
}

.logo a {
    text-decoration: none;
    transition: var(--transition);
}

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

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.625rem 1.25rem;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.main-nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--bg-gradient);
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: var(--primary-color);
}

.main-nav a.active::before,
.main-nav a:hover::before {
    width: 60%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 4rem 0;
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

.hero-section h2 {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-section p {
    font-size: 1.375rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-weight: 400;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Login Section */
.login-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    padding: 3rem;
    margin-bottom: 4rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.login-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.tab-button {
    flex: 1;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    border-radius: 12px 12px 0 0;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--bg-gradient);
    transition: var(--transition);
}

.tab-button:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.tab-button.active {
    color: var(--primary-color);
}

.tab-button.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
    position: relative;
    z-index: 1;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-container h3 {
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-size: 1.75rem;
    text-align: center;
    font-weight: 700;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9375rem;
}

.form-group input {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: rgba(255, 255, 255, 0.8);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: var(--white);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: #9ca3af;
}

.btn-primary {
    padding: 1.125rem 2.5rem;
    background: var(--bg-gradient);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    margin-top: 0.5rem;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

/* Features Section */
.features-section {
    margin-top: 5rem;
    margin-bottom: 4rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.05;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Testimonials Section */
.testimonials-section {
    margin-top: 5rem;
    margin-bottom: 4rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.1;
    font-weight: 800;
    line-height: 1;
}

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

.testimonial-text {
    font-size: 1.0625rem;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.author-info h5 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

/* CTA Section */
.cta-section {
    background: var(--bg-gradient);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--white);
    margin: 4rem 0;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 15s linear infinite;
}

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

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1.125rem 2.5rem;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
    margin-top: 5rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--bg-gradient);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-section a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Page Content Styles */
.page-content {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    padding: 4rem;
    margin-bottom: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.page-content h1 {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.page-content h2 {
    color: var(--primary-color);
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-size: 2rem;
    font-weight: 700;
}

.page-content h3 {
    color: var(--text-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.page-content p {
    margin-bottom: 1.25rem;
    line-height: 1.9;
    color: var(--text-color);
    font-size: 1.0625rem;
}

.page-content ul,
.page-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    line-height: 1.9;
}

.page-content li {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-size: 1.0625rem;
}

.page-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.page-content a:hover {
    border-bottom-color: var(--primary-color);
}

.contact-form {
    max-width: 700px;
    margin: 2.5rem auto;
}

.contact-form .form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    resize: vertical;
    min-height: 180px;
    background: rgba(255, 255, 255, 0.8);
}

.contact-form .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: var(--white);
    transform: translateY(-2px);
}

.faq-item {
    margin-bottom: 2rem;
    padding: 2rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.faq-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(5px);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.375rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: auto;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: var(--shadow-xl);
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav ul li {
        width: 100%;
    }

    .main-nav a {
        display: block;
        padding: 1.25rem;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.125rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-section h2 {
        font-size: 2.5rem;
    }

    .hero-section p {
        font-size: 1.125rem;
    }

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

    .stat-number {
        font-size: 2.25rem;
    }

    .login-section {
        padding: 2rem 1.5rem;
    }

    .page-content {
        padding: 2rem 1.5rem;
    }

    .page-content h1 {
        font-size: 2.25rem;
    }

    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cta-section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .hero-section h2 {
        font-size: 2rem;
    }

    .stats-section {
        grid-template-columns: 1fr;
    }

    .login-tabs {
        flex-direction: column;
        gap: 0;
    }

    .tab-button {
        border-bottom: 2px solid var(--border-color);
        border-left: 4px solid transparent;
        margin-bottom: 0;
        border-radius: 12px;
    }

    .tab-button.active {
        border-bottom-color: var(--border-color);
        border-left-color: var(--primary-color);
    }

    .tab-button::after {
        display: none;
    }
}