/* GrahBandhan - Premium Dark Theme Stylesheet */
/* Fonts: DM Sans + JetBrains Mono */
/* Primary Accent: #22d3ee (Cyan/Teal) */

:root {
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a25;
    --color-bg-elevated: #252535;
    --color-accent: #22d3ee;
    --color-accent-light: #67e8f9;
    --color-accent-dark: #0891b2;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    --color-border: rgba(34, 211, 238, 0.1);
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #22d3ee 0%, #0891b2 100%);
    --gradient-hero: linear-gradient(180deg, #0a0a0f 0%, #121827 50%, #0a0a0f 100%);
    --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --shadow-glow: 0 0 40px rgba(34, 211, 238, 0.15);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-accent);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

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

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-large {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-whatsapp {
    background: #25d366;
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.3);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(34, 211, 238, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(34, 211, 238, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: 24px;
    font-family: var(--font-mono);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Dashboard Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
}

.dashboard-mockup {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-smooth);
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.mockup-dots span:first-child { background: #ff5f56; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:last-child { background: #27c93f; }

.mockup-title {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

.mockup-card {
    background: var(--color-bg-elevated);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.card-icon {
    font-size: 1.5rem;
}

.card-info {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.card-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
}

.mockup-chat {
    margin-top: 16px;
}

.chat-message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.chat-bubble {
    background: var(--color-bg-elevated);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

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

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.feature-tag {
    display: inline-block;
    background: rgba(34, 211, 238, 0.1);
    color: var(--color-accent);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 40px 32px;
    position: relative;
    transition: var(--transition-smooth);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(34, 211, 238, 0.3);
}

.pricing-card.popular {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.pricing-card.founder {
    border-color: var(--color-warning);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.popular-badge {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    border: none;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.pricing-price {
    text-align: center;
    margin-bottom: 8px;
}

.pricing-price .currency {
    font-size: 1.5rem;
    color: var(--color-accent);
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-yearly {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

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

.btn-pricing {
    display: block;
    width: 100%;
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 14px;
    border-radius: 10px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-pricing:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-popular {
    background: var(--gradient-primary);
    border: none;
    color: var(--color-bg-primary);
}

.btn-popular:hover {
    box-shadow: var(--shadow-glow);
    color: var(--color-bg-primary);
}

.pricing-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 16px;
}

.pricing-comparison {
    text-align: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
}

.pricing-comparison p {
    color: var(--color-text-secondary);
}

.pricing-comparison strong {
    color: var(--color-accent);
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.step-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    width: 260px;
    position: relative;
    transition: var(--transition-smooth);
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 211, 238, 0.3);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-bg-primary);
    font-family: var(--font-mono);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.step-arrow {
    font-size: 2rem;
    color: var(--color-accent);
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: rgba(34, 211, 238, 0.3);
    transform: translateY(-4px);
}

.testimonial-rating {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--color-bg-primary);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
}

.author-title {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* FAQ */
.faq {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(34, 211, 238, 0.3);
}

.faq-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-accent);
}

.faq-item p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.contact-info .section-title {
    text-align: left;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.contact-features {
    margin-bottom: 32px;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.feature-check {
    width: 24px;
    height: 24px;
    background: rgba(34, 211, 238, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 0.875rem;
}

.contact-whatsapp {
    margin-top: 32px;
}

.contact-whatsapp p {
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.btn-whatsapp-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25d366;
    color: white;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.btn-whatsapp-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.btn-submit {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    border: none;
    padding: 16px;
    border-radius: 10px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: 8px;
}

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

.form-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 16px;
}

.form-success {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .footer-logo {
    height: 40px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    font-size: 1.5rem;
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 8px 0;
    transition: var(--transition-smooth);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #25d366;
    color: white;
    padding: 16px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    transition: var(--transition-smooth);
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-float-icon {
    font-size: 1.5rem;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 2;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        padding: 12px 16px;
    }
    
    .whatsapp-float-text {
        display: none;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}