.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 1rem 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Merriweather', serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
}

.logo::before {
    content: '';
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.25), rgba(20, 184, 166, 0.6));
    box-shadow: 0 12px 25px rgba(20, 184, 166, 0.3);
}

.nav-links {
    display: none;
    list-style: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 1.75rem;
        align-items: center;
    }
}

.nav-link {
    position: relative;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    padding: 0.25rem 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary);
}

.nav-link:hover::after,
.nav-link:focus::after {
    transform: scaleX(1);
}

.mobile-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    padding: 1.5rem 1rem 2rem;
    display: none;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu__nav {
    max-width: 1280px;
    margin: 0 auto;
}

.mobile-menu__list {
    display: grid;
    gap: 1rem;
    list-style: none;
}

.mobile-menu__link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none !important;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
}

.btn:hover,
.btn:focus {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(20, 184, 166, 0.3);
}

.btn:focus {
    outline: 2px solid var(--primary-dark);
    outline-offset: 2px;
}

.btn.btn-ghost,
.btn.btn-ghost:visited {
    background: rgba(20, 184, 166, 0.1);
    color: var(--primary);
    box-shadow: none;
}

.btn.btn-ghost:hover,
.btn.btn-ghost:focus {
    background: rgba(20, 184, 166, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(20, 184, 166, 0.2);
}

.btn-small {
    padding: 0.65rem 1.25rem;
    font-size: 0.95rem;
    border-radius: 0.65rem;
}

.feature-card,
.process-step,
.pricing-card,
.contact-form,
.testimonial-card,
.security-card,
.roi-card,
.beta-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover,
.process-step:hover,
.pricing-card:hover,
.testimonial-card:hover,
.security-card:hover,
.roi-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 55px rgba(15, 23, 42, 0.15);
    border-color: rgba(20, 184, 166, 0.25);
}

.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: rgba(20, 184, 166, 0.12);
    color: var(--primary);
}

.feature-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--secondary);
}

.feature-card p {
    color: var(--gray-600);
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    position: relative;
    padding-left: 4.5rem;
}

.process-step::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-radius: 1.1rem;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    position: absolute;
    left: 1rem;
    top: 2rem;
    transform: translateY(-50%);
    box-shadow: 0 16px 30px rgba(20, 184, 166, 0.35);
}

.process-step::after {
    content: '';
    position: absolute;
    left: 2.6rem;
    top: calc(4rem + 8px);
    bottom: -3.5rem;
    width: 2px;
    background: linear-gradient(180deg, rgba(20, 184, 166, 0.15), rgba(148, 163, 184, 0));
}

.process-step:last-child::after {
    display: none;
}

.process-content {
    max-width: 560px;
}

.process-content h3 {
    margin-bottom: 0.5rem;
}

.process-content p {
    color: var(--gray-600);
}

.roi-card h3 {
    font-size: 1.5rem;
    color: var(--secondary);
}

.roi-card p {
    color: var(--gray-600);
}

.roi-card--accent {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.12), rgba(20, 184, 166, 0.3));
    border-color: rgba(20, 184, 166, 0.45);
}

.roi-note {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--gray-600);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-logo {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    background: rgba(20, 184, 166, 0.12);
    color: var(--primary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.testimonial-role {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.testimonial-card p {
    color: var(--gray-600);
}

.testimonial-note {
    margin-top: 2rem;
    text-align: center;
    color: var(--gray-500);
}

.beta-card {
    max-width: 760px;
    margin: 0 auto;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid rgba(20, 184, 166, 0.35);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.beta-card h3 {
    font-size: 1.5rem;
    color: var(--secondary);
}

.beta-card p {
    color: var(--gray-600);
}

.security-card h3 {
    font-size: 1.25rem;
    color: var(--secondary);
}

.security-card p {
    color: var(--gray-600);
}

.security-note {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--gray-500);
}

.pricing-card {
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: 0 25px 55px rgba(20, 184, 166, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -1.25rem;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 0.45rem 1.25rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 18px 32px rgba(20, 184, 166, 0.35);
}

.pricing-card h3 {
    font-size: 2rem;
    color: var(--secondary);
}

.pricing-card ul {
    list-style: none;
    display: grid;
    gap: 0.75rem;
    color: var(--gray-600);
    padding: 0;
    margin: 0;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-single {
    display: flex;
    justify-content: center;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.active {
    border-color: rgba(20, 184, 166, 0.35);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

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

.faq-question span {
    transition: transform 0.3s ease;
}

.faq-question:hover,
.faq-question:focus {
    background: var(--gray-50);
}

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

.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;
    max-height: 500px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 1rem;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
}

.form-input {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.65rem;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.12);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: rgba(148, 163, 184, 0.12);
    padding: 0.75rem 1rem;
    border-radius: 0.85rem;
}

.checkbox {
    margin-top: 0.25rem;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 0.35rem;
    border: 1px solid var(--gray-400);
}

.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    border: 1px solid var(--primary);
}

.form-success.active {
    display: block;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: center;
}

.final-cta {
    display: grid;
    gap: 2rem;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.15), rgba(20, 184, 166, 0.35));
    border-radius: 1.5rem;
    padding: 2.5rem;
    border: 1px solid rgba(20, 184, 166, 0.4);
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.12);
}

@media (min-width: 768px) {
    .final-cta {
        grid-template-columns: 1fr auto;
        align-items: center;
    }
}

.final-cta__content p {
    color: var(--gray-600);
}

.final-cta__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.footer {
    background: var(--secondary);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-link {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover,
.footer-link:focus {
    color: var(--primary);
}

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

.social-link {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover,
.social-link:focus {
    color: var(--primary);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    text-align: center;
    color: var(--gray-400);
}

.cookie-banner {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    left: auto;
    max-width: 420px;
    width: min(420px, calc(100% - 1.5rem));
    background: rgba(15, 23, 42, 0.98);
    color: var(--white);
    padding: 1.25rem 1.5rem;
    border-radius: 1.1rem;
    z-index: 1001;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.28);
    transform: translateY(calc(100% + 1.5rem));
    transition: transform 0.3s ease;
}

.cookie-banner.active {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    line-height: 1.5;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cookie-btn.accept {
    background: var(--primary);
    color: var(--white);
}

.cookie-btn.accept:hover {
    background: var(--primary-dark);
}

.cookie-btn.reject {
    background: rgba(255, 255, 255, 0.08);
    color: var(--gray-200);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.cookie-btn.reject:hover {
    background: rgba(255, 255, 255, 0.16);
}

.mobile-cta-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 1rem;
    margin: 0 auto;
    max-width: 520px;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.14);
    border: 1px solid rgba(148, 163, 184, 0.35);
    z-index: 1100;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-cta-bar[hidden] {
    display: none;
}

.mobile-cta-bar__copy {
    display: grid;
    gap: 0.15rem;
}

.mobile-cta-bar__title {
    font-weight: 700;
    color: var(--gray-900);
}

.mobile-cta-bar__text {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.mobile-cta-bar[data-offset-banner="true"] {
    bottom: 6.5rem;
}

@media (min-width: 768px) {
    .mobile-cta-bar {
        display: none;
    }
}

@media (max-width: 640px) {
    .nav {
        padding: 0.75rem 0;
        gap: 1rem;
    }

    .logo {
        font-size: 1.3rem;
        gap: 0.6rem;
    }

    .logo::before {
        width: 1.9rem;
        height: 1.9rem;
    }

    .mobile-menu {
        top: 64px;
        padding: 1.25rem 1rem 1.6rem;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }

    .mobile-menu__list {
        gap: 0.75rem;
    }

    .mobile-menu__link {
        font-size: 1rem;
    }

    .cookie-banner {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        width: auto;
        max-width: none;
    }

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