/* VoiceBills Landing Page Styles - Brand Colors */

:root {
    --primary-color: #0a1628;
    --secondary-color: #1a3a5c;
    --accent-color: #2dd4bf;
    --accent-hover: #14b8a6;
    --accent-dark: #0d9488;
    --text-light: #ffffff;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --bg-dark: #0a1628;
    --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%);
    --gradient-accent: linear-gradient(135deg, #2dd4bf 0%, #14b8a6 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.2);
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* Global Styles */
.landing-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
}

.btn-accent {
    background: var(--gradient-accent);
    border: none;
    color: var(--primary-color);
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(45, 212, 191, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 212, 191, 0.4);
    color: var(--primary-color);
}

.section-badge {
    display: inline-block;
    background: rgba(45, 212, 191, 0.1);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
#mainNav {
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}

#mainNav.scrolled {
    background: rgba(26, 31, 60, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
}

.navbar-brand i {
    color: var(--accent-color);
}

.nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    padding: 8px 16px !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white !important;
}

/* Hero Section */
.hero-section {
    position: relative;
}

.hero-slide {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon-container {
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
    animation: float 6s ease-in-out infinite;
}

.hero-main-icon {
    font-size: 8rem;
    color: white;
    opacity: 0.9;
}

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

.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 6px;
    background-color: rgba(255,255,255,0.5);
    border: none;
}

.carousel-indicators button.active {
    background-color: white;
}

.carousel-control-prev,
.carousel-control-next {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.8;
    backdrop-filter: blur(10px);
}

.carousel-control-prev {
    left: 30px;
}

.carousel-control-next {
    right: 30px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 1;
}

/* Stats Section */
.stats-section {
    background: var(--bg-dark);
    padding: 60px 0;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
    font-weight: 500;
}

/* Features Section */
.features-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.feature-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    height: 100%;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

/* How It Works Section */
.how-it-works-section {
    padding: 120px 0;
    background: white;
}

.step-item {
    position: relative;
    padding: 30px;
}

.step-number {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.step-icon {
    width: 120px;
    height: 120px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px auto 24px;
    transition: all 0.3s ease;
}

.step-icon i {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.step-item:hover .step-icon {
    background: var(--gradient-accent);
}

.step-item:hover .step-icon i {
    color: white;
}

.step-item h4 {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.step-item p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Pricing Section */
.pricing-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.pricing-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    height: 100%;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

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

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

.popular-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--gradient-accent);
    color: white;
    padding: 6px 40px;
    font-size: 12px;
    font-weight: 600;
    transform: rotate(45deg);
}

.pricing-header {
    text-align: center;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.plan-price {
    margin-bottom: 12px;
}

.plan-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    vertical-align: top;
}

.plan-price .amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
}

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

.plan-description {
    color: var(--text-muted);
    margin: 0;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.plan-features li {
    padding: 12px 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
}

.plan-features li i {
    color: #22c55e;
    margin-right: 12px;
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 120px 0;
    background: white;
}

.testimonial-card {
    background: var(--bg-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    height: 100%;
    transition: all 0.3s ease;
}

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

.testimonial-stars {
    margin-bottom: 20px;
}

.testimonial-stars i {
    color: #fbbf24;
    margin-right: 4px;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 24px;
    font-style: italic;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: 700;
    margin-right: 16px;
}

.author-name {
    font-weight: 700;
    color: var(--text-dark);
}

.author-role {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* FAQ Section */
.faq-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.accordion-item {
    background: white;
    border: none;
    border-radius: var(--border-radius) !important;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-button {
    padding: 24px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    background: white;
    border: none;
}

.accordion-button:not(.collapsed) {
    background: white;
    color: var(--accent-color);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.accordion-button::after {
    background-size: 1.2rem;
    width: 1.2rem;
    height: 1.2rem;
}

.accordion-body {
    padding: 0 30px 24px;
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: var(--gradient-primary);
}

.cta-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    margin-bottom: 24px;
}

.cta-note {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* Footer */
.footer-section {
    background: var(--bg-dark);
    padding: 80px 0 40px;
    color: rgba(255,255,255,0.7);
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-brand i {
    color: var(--accent-color);
}

.footer-description {
    line-height: 1.8;
    margin-bottom: 24px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-heading {
    color: white;
    font-weight: 700;
    margin-bottom: 24px;
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 60px;
    padding-top: 30px;
}

.copyright, .made-with {
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 991px) {
    .section-title {
        font-size: 2.2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-icon-container {
        width: 200px;
        height: 200px;
    }

    .hero-main-icon {
        font-size: 5rem;
    }

    .cta-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 767px) {
    .hero-visual {
        margin-top: 40px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .carousel-control-prev,
    .carousel-control-next {
        display: none;
    }

    .step-item::after {
        display: none;
    }

    .footer-bottom {
        text-align: center;
    }

    .footer-bottom .col-md-6:last-child {
        margin-top: 10px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation utilities */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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