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

:root {
    --primary-blue: #1E88E5;
    --light-blue: #42A5F5;
    --sky-blue: #64B5F6;
    --white: #FFFFFF;
    --off-white: #F5F9FC;
    --text-dark: #2C3E50;
    --text-gray: #5A6C7D;
    --accent-red: #FF4757;
    --gradient-bg: linear-gradient(135deg, #1E88E5 0%, #42A5F5 100%);
    --shadow: 0 10px 30px rgba(30, 136, 229, 0.15);
    --shadow-hover: 0 15px 40px rgba(30, 136, 229, 0.25);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-stats {
    margin-bottom: 32px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    color: var(--text-gray);
    font-size: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-bg);
    color: var(--white);
    box-shadow: var(--shadow);
}

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

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

/* Hero Image */
.hero-image {
    position: relative;
}

.phone-mockup {
    width: 100%;
    max-width: 400px;
    height: 400px;
    background: var(--gradient-bg);
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 30px 60px rgba(30, 136, 229, 0.3);
    position: relative;
    margin: 0 auto;
}

.chat-bubbles {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

.bubble {
    background: var(--white);
    padding: 16px 24px;
    border-radius: 20px;
    margin-bottom: 16px;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.6s ease-out;
}

.bubble-1 {
    animation-delay: 0.2s;
    margin-left: 20px;
}

.bubble-2 {
    animation-delay: 0.4s;
    margin-right: 20px;
    text-align: right;
    background: var(--light-blue);
    color: var(--white);
}

.bubble-3 {
    animation-delay: 0.6s;
    margin-left: 20px;
}

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

/* Hero Decorations */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.heart-icon, .star-icon {
    position: absolute;
    font-size: 48px;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

.heart-1 {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.star-1 {
    top: 25%;
    right: 15%;
    animation-delay: 0.5s;
}

.heart-2 {
    bottom: 20%;
    right: 25%;
    animation-delay: 1s;
}

.star-2 {
    bottom: 30%;
    left: 15%;
    animation-delay: 1.5s;
}

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

/* Sections */
.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid #E3F2FD;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--light-blue);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.6;
}

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

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step-card {
    text-align: center;
    padding: 30px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-bg);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: var(--shadow);
}

.step-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-gray);
    font-size: 16px;
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
    background: var(--gradient-bg);
    color: var(--white);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    text-align: center;
}

.stat-box h3 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-box p {
    font-size: 18px;
    opacity: 0.9;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.price-card {
    background: var(--white);
    border: 2px solid #E3F2FD;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.price-card.popular {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-red);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.price-card h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.price {
    margin-bottom: 16px;
}

.price-old {
    font-size: 20px;
    color: var(--text-gray);
    text-decoration: line-through;
    display: block;
    margin-bottom: 8px;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
}

.price-period {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.price-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.price-features li {
    padding: 10px 0;
    color: var(--text-gray);
    font-size: 15px;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--off-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    border: 2px solid #E3F2FD;
}

.faq-question {
    padding: 24px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #F5F9FC;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-toggle {
    font-size: 28px;
    color: var(--primary-blue);
    font-weight: 300;
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 30px 24px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--gradient-bg);
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-blue);
}

.cta .btn-primary:hover {
    background: var(--off-white);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: #1A237E;
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

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

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--white);
}

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

.social-link {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: background 0.3s;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .phone-mockup {
        max-width: 300px;
        height: 500px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .price-card.popular {
        transform: scale(1);
    }
}