/* Modern Premium Design - Enhanced */

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #EC4899;
    --success: #10B981;
    --warning: #F59E0B;
    --text-dark: #0F172A;
    --text-medium: #475569;
    --text-light: #64748B;
    --bg-light: #F8FAFC;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #FFFFFF;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Main Hero Section */
.main-hero {
    padding: 100px 0 120px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    position: relative;
    overflow: hidden;
}

.main-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.main-hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content-center {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.main-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-subtitle {
    font-size: 22px;
    color: var(--text-medium);
    margin-bottom: 60px;
    font-weight: 400;
}

/* Tool Selector */
.tool-selector {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    margin-bottom: 50px;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

.tool-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 8px;
    background: var(--bg-light);
    border-radius: 16px;
}

.tool-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: transparent;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-medium);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.tool-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-tab:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.tool-tab.active {
    color: var(--white);
}

.tool-tab.active::before {
    opacity: 1;
}

.tool-tab span,
.tool-tab i {
    position: relative;
    z-index: 1;
}

.tool-tab i {
    font-size: 20px;
}

/* Tool Content */
.tool-content {
    display: none;
    animation: fadeInScale 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-content.active {
    display: block;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.tool-description {
    margin-bottom: 36px;
}

.tool-description h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.tool-description p {
    font-size: 18px;
    color: var(--text-medium);
}

.btn-start {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-radius: 14px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 28px;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-start::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-start:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px 0 rgba(99, 102, 241, 0.5);
}

.btn-start:hover::before {
    opacity: 1;
}

.btn-start span,
.btn-start i {
    position: relative;
    z-index: 1;
}

.btn-start i {
    font-size: 20px;
}

.tool-features {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    color: var(--text-medium);
    font-size: 15px;
}

.tool-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: 8px;
    font-weight: 500;
}

.tool-features i {
    color: var(--success);
    font-size: 16px;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 32px;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-medium);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 24px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.badge-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.badge-item i {
    font-size: 20px;
    color: var(--primary);
}

/* Section Title */
.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

/* Features Section */
.features-simple {
    padding: 100px 0;
    background: var(--white);
}

.features-grid-simple {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 48px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-simple {
    text-align: center;
    padding: 32px;
    background: var(--bg-light);
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.feature-simple:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border);
    background: var(--white);
}

.feature-icon-simple {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.feature-simple:hover .feature-icon-simple {
    transform: scale(1.1) rotate(5deg);
}

.feature-simple h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-simple p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* How It Works */
.how-it-works-simple {
    padding: 100px 0;
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.steps-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.step-simple {
    text-align: center;
    flex: 1;
    min-width: 220px;
    padding: 24px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.step-simple:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number-simple {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.step-simple h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.step-simple p {
    font-size: 16px;
    color: var(--text-medium);
}

.step-arrow-simple {
    font-size: 36px;
    color: var(--primary-light);
    font-weight: 300;
}

/* CTA Section */
.cta-simple {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-simple::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-simple h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-simple p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.cta-buttons-simple {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--white);
    color: var(--primary);
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    background: var(--bg-light);
}

.btn-cta-primary i {
    font-size: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 40px;
    }

    .main-subtitle {
        font-size: 18px;
    }

    .tool-selector {
        padding: 32px 24px;
    }

    .tool-tabs {
        flex-direction: column;
    }

    .tool-tab {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 32px;
    }

    .features-grid-simple {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .step-arrow-simple {
        transform: rotate(90deg);
    }

    .cta-buttons-simple {
        flex-direction: column;
        align-items: center;
    }

    .btn-cta-primary {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .main-hero {
        padding: 60px 0 80px;
    }

    .main-title {
        font-size: 32px;
    }

    .main-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .tool-selector {
        padding: 24px 16px;
    }

    .tool-description h2 {
        font-size: 24px;
    }

    .btn-start {
        padding: 16px 32px;
        font-size: 16px;
    }

    .trust-badges {
        flex-direction: column;
        gap: 12px;
    }

    .section-title {
        font-size: 28px;
    }
}

/* Smooth Animations */
.tool-selector,
.feature-simple,
.step-simple {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading State */
.btn-start:active,
.btn-cta-primary:active {
    transform: scale(0.97);
}

/* Focus States for Accessibility */
.tool-tab:focus,
.btn-start:focus,
.btn-cta-primary:focus {
    outline: 3px solid var(--primary-light);
    outline-offset: 3px;
}

/* Pulse Animation for CTA */
@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
    }

    50% {
        box-shadow: 0 4px 20px 0 rgba(99, 102, 241, 0.6);
    }
}

.btn-start {
    animation: pulse 2s infinite;
}

.btn-start:hover {
    animation: none;
}