/* Premium Design System - Inspired by Vercel, Stripe, Figma */

/* ===== HERO SECTION - Vercel/Stripe Style ===== */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1a1f35 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
    padding: 120px var(--spacing-lg) !important;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 50%, #bfdbfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-300);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    font-weight: 400;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    backdrop-filter: blur(20px);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(59, 130, 246, 0.3);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-cyan);
    letter-spacing: 0.5px;
}

.hero-trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(20px);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    transition: all var(--transition-base);
    cursor: pointer;
}

.trust-badge:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

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

.hero .btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.hero .btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.hero .btn-primary:hover {
    animation: none;
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.5);
}

/* ===== BENEFIT CARDS - Figma/Notion Style ===== */
.benefit-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 1px solid var(--gray-200);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
}

.benefit-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.benefit-description {
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 0.95rem;
    flex-grow: 1;
}

/* ===== STATS SECTION - Mixpanel/Amplitude Style ===== */
.stats-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-8px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
}

.stat-value {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--gray-300);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ===== PROCESS STEPS - Slack/Discord Style ===== */
.process-step {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--gray-200);
    position: relative;
    z-index: 1;
    transition: all var(--transition-slow);
}

.process-step:hover {
    transform: translateY(-12px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--white);
    border-radius: 50%;
    font-weight: 900;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--primary);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===== PRICING TIERS - Supabase/Vercel Style ===== */
.pricing-tier {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 2px solid var(--gray-200);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pricing-tier.featured {
    transform: scale(1.05);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.2);
}

.pricing-tier.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--white);
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 1.5px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.pricing-tier:hover {
    transform: translateY(-8px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.tier-price {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.tier-features li {
    padding: var(--spacing-md) 0;
    color: var(--gray-700);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.tier-features li:last-child {
    border-bottom: none;
}

.tier-features li::before {
    content: '';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--success), #34d399);
    border-radius: 50%;
    color: var(--white);
    font-weight: 900;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ===== TESTIMONIALS - Airbnb/Intercom Style ===== */
.testimonial-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 1px solid var(--gray-200);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    font-size: 1rem;
    position: relative;
    padding-left: var(--spacing-lg);
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -8px;
    font-size: 2.5rem;
    color: var(--accent-blue);
    opacity: 0.15;
    font-weight: 900;
}

.testimonial-author {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.testimonial-details {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.testimonial-grade {
    display: inline-block;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    color: var(--accent-blue);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ===== FAQ SECTION - Stripe/GitHub Style ===== */
.faq-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--gray-200);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-base);
    cursor: pointer;
}

.faq-item:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.1);
    transform: translateY(-4px);
}

.faq-question {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-base);
}

.faq-question:hover {
    color: var(--accent-blue);
}

.faq-question::after {
    content: '';
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--accent-blue);
    border-bottom: 2px solid var(--accent-blue);
    transform: rotate(-45deg);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 0.95rem;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* ===== CTA SECTION - Vercel/Stripe Style ===== */
.cta-section {
    background: linear-gradient(-45deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    z-index: 0;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
    z-index: 0;
}

.cta-section h2 {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.cta-main {
    color: var(--gray-100);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
    }
    50% {
        box-shadow: 0 15px 60px rgba(59, 130, 246, 0.6);
    }
}

@media (max-width: 768px) {
    .pricing-tier.featured {
        transform: scale(1);
    }

    .pricing-tier.featured:hover {
        transform: translateY(-8px);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-section .btn {
        width: 100%;
    }
}