/* ===== CSS VARIABLES & ROOT ===== */
:root {
    --primary: #0052cc;
    --primary-dark: #003d99;
    --secondary: #6f42c1;
    --accent: #6f42c1;
    --bg-white: #ffffff;
    --bg-light-gray: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
}

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

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: var(--shadow-light);
    border: none;
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: none;
}

.btn-primary-outline:hover {
    background: rgba(0, 82, 204, 0.05);
    box-shadow: var(--shadow-light);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: none;
}

.btn-secondary:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-light);
}

.btn-lg {
    padding: 16px 48px;
    font-size: 1.1rem;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
    background: var(--bg-white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    display: none;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    backdrop-filter: none;
    display: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
}

.hero-ctas .btn {
    min-width: 200px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== FLOATING PARTICLES ===== */
.floating-particles,
.floating-particles-cta {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: none;
    opacity: 0.3;
}

/* ===== TRUST SECTION ===== */
.trust-section {
    background: var(--bg-light-gray);
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-white);
    transition: all 0.3s ease;
}

.trust-badge:hover {
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: var(--shadow-medium);
}

.badge-icon {
    width: 40px;
    height: 40px;
    stroke: var(--primary);
    flex-shrink: 0;
}

.badge-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.badge-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.1rem;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.feature-card:hover {
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: var(--shadow-medium);
    transform: translateY(-5px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1.5rem;
    padding: 12px;
    background: rgba(0, 82, 204, 0.1);
    border: 2px solid rgba(0, 82, 204, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background: rgba(0, 82, 204, 0.15);
    border-color: var(--primary);
    box-shadow: none;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
    stroke-width: 2;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 5rem 2rem;
    background: var(--bg-light-gray);
}

.how-it-works .section-header {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    position: relative;
}

.step {
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-white);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
}

.step:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-medium);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.step-arrow {
    position: absolute;
    right: -2.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--primary);
    opacity: 0;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-white);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 32px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #e0e0e0;
    transition: 0.3s;
    border-radius: 32px;
    border: none;
}

.slider:before {
    position: absolute;
    content: "";
    height: 24px;
    width: 24px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-primary);
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(28px);
}

.discount-badge {
    background: rgba(111, 66, 193, 0.1);
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-white);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-medium);
    transform: scale(1.05);
}

.pricing-card:hover:not(.featured) {
    border-color: var(--primary);
    box-shadow: var(--shadow-light);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.pricing-header h3 {
    margin-bottom: 0.5rem;
}

.pricing-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.pricing-price {
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 1.5rem;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.period {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.custom {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.pricing-card .btn {
    width: 100%;
    margin-bottom: 1rem;
}

.trial-note {
    font-size: 0.85rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.pricing-features {
    list-style: none;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.pricing-features li::before {
    content: '✓';
    color: var(--secondary);
    font-weight: 700;
    margin-right: 0.75rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 5rem 2rem;
    background: var(--bg-light-gray);
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    padding: 2rem;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--secondary);
    box-shadow: var(--shadow-medium);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    font-style: italic;
    color: var(--text-secondary);
}

.testimonial-author {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: 5rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
}

.faq-container {
    margin-top: 3rem;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-light-gray);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-light);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

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

.faq-icon {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== FINAL CTA ===== */
.final-cta {
    padding: 5rem 2rem;
    text-align: center;
    background: var(--bg-light-gray);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.cta-content h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.floating-particles-cta {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--bg-white);
}

.footer-section p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.7);
}

.social-links a:hover {
    border-color: var(--primary);
    background: rgba(0, 82, 204, 0.1);
    color: var(--primary);
    box-shadow: none;
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--primary);
}

.modal-content h2 {
    color: var(--text-primary);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
}

.trial-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trial-form input,
.trial-form select {
    padding: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.trial-form input::placeholder {
    color: var(--text-secondary);
}

.trial-form input:focus,
.trial-form select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: var(--shadow-light);
}

.trial-form button {
    margin-top: 1rem;
}

.form-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.modal-content .form-note {
    color: var(--text-secondary);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem 2rem;
        display: none;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero {
        padding-top: 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-ctas {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .trust-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .trust-badge {
        gap: 1rem;
        padding: 1rem;
    }

    .features {
        padding: 3rem 1.5rem;
    }

    .features-grid {
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .pricing {
        padding: 3rem 1.5rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-grid {
        gap: 1.5rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .faq {
        padding: 3rem 1.5rem;
    }

    .final-cta {
        padding: 3rem 1.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .hero {
        padding-top: 50px;
        min-height: 90vh;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-ctas .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .trust-container {
        grid-template-columns: 1fr;
    }

    .trust-badge {
        flex-direction: column;
        text-align: center;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 12px 32px;
    }

    .pricing-price {
        margin-bottom: 1rem;
    }

    .amount {
        font-size: 2rem;
    }

    .steps-container {
        gap: 1rem;
    }

    .step {
        padding: 1.5rem;
    }

    .step-number {
        font-size: 2rem;
    }
}