:root {
    --primary-deep: hsl(174, 100%, 15%);
    --primary-phthalo: hsl(174, 100%, 21%);
    --primary-teal: hsl(174, 100%, 27%);
    --primary-medium: hsl(174, 100%, 33%);
    --primary-bright: hsl(169, 68%, 49%);
    --primary-glow: hsl(169, 100%, 65%);

    --neutral-deep-navy: hsl(214, 60%, 10%);
    --neutral-navy: hsl(214, 49%, 21%);
    --neutral-slate: hsl(214, 42%, 29%);
    --neutral-gray: hsl(214, 28%, 63%);

    --accent-amber: hsl(40, 96%, 61%);
    --accent-crimson: hsl(354, 77%, 56%);
    --accent-sky: hsl(204, 70%, 53%);
    --accent-gold: hsl(51, 100%, 50%);

    --background: var(--neutral-deep-navy);
    --foreground: #ffffff;
    --card: var(--neutral-navy);
    --border: var(--neutral-slate);
    --muted-foreground: var(--neutral-gray);

    --fudi-teal: #26D0A8;
    --fudi-teal-dark: #00897B;
    --fudi-navy: #0A1628;
    --fudi-navy-soft: #142b46;
    --fudi-slate: #2C4868;
    --fudi-muted: #8B9CB6;
    --fudi-white: #FFFFFF;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 3rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--muted-foreground);
}

/* Main Navigation */
.main-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.92);
    border-bottom: 1px solid rgba(44, 72, 104, 0.6);
    backdrop-filter: blur(14px);
}

.main-nav__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.main-nav__brand img {
    height: 44px;
    width: auto;
    display: block;
}

.main-nav__links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.main-nav__link {
    color: var(--fudi-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.35rem 0;
    transition: color 0.2s ease;
}

.main-nav__link:hover,
.main-nav__link.is-active {
    color: var(--fudi-white);
}

.main-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.main-nav__cta {
    background: linear-gradient(135deg, var(--fudi-teal), var(--fudi-teal-dark));
    color: var(--fudi-white);
    padding: 0.65rem 1.1rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(38, 208, 168, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.main-nav__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(38, 208, 168, 0.35);
}

.main-nav__toggle {
    background: transparent;
    border: 1px solid rgba(44, 72, 104, 0.8);
    color: var(--fudi-muted);
    border-radius: 0.75rem;
    padding: 0.4rem 0.55rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav__toggle:hover {
    color: var(--fudi-white);
    border-color: var(--fudi-teal);
}

.main-nav__icon {
    width: 20px;
    height: 20px;
}

.main-nav__panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-top: 1px solid rgba(44, 72, 104, 0.6);
    background: rgba(10, 22, 40, 0.95);
}

.main-nav.is-open .main-nav__panel {
    max-height: 480px;
}

.main-nav__panel-inner {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
}

.main-nav__panel-link {
    color: var(--fudi-muted);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 0;
}

.main-nav__panel-cta {
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--fudi-teal), var(--fudi-teal-dark));
    color: var(--fudi-white);
    padding: 0.75rem 1rem;
    border-radius: 0.9rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
}

.main-nav__panel-language {
    margin-top: 0.35rem;
}

.language-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem;
    border-radius: 999px;
    background: rgba(20, 43, 70, 0.6);
    border: 1px solid rgba(44, 72, 104, 0.7);
}

.language-toggle__button {
    border: none;
    background: transparent;
    color: var(--fudi-muted);
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
}

.language-toggle__button.is-active {
    color: var(--fudi-white);
    background: rgba(38, 208, 168, 0.22);
}

.language-toggle__button:focus-visible {
    outline: 2px solid var(--fudi-teal);
    outline-offset: 2px;
}

.language-toggle--panel {
    width: 100%;
    justify-content: center;
}

.language-toggle--footer {
    align-self: center;
}

@media (max-width: 960px) {

    .main-nav__links,
    .main-nav__cta {
        display: none;
    }

    .main-nav__toggle {
        display: inline-flex;
    }

    .language-toggle--nav {
        display: none;
    }
}

@media (min-width: 961px) {
    .main-nav__panel {
        display: none;
    }
}

/* Mobile Waitlist CTA */
.mobile-waitlist-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    padding: 0.75rem 1rem;
    background: rgba(10, 22, 40, 0.96);
    border-top: 1px solid rgba(44, 72, 104, 0.7);
    box-shadow: 0 -16px 32px rgba(4, 10, 20, 0.45);
    display: none;
    transform: translateY(0);
    opacity: 1;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-waitlist-cta.is-hidden {
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

.mobile-waitlist-cta__button {
    display: block;
    width: min(420px, 100%);
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(135deg, var(--fudi-teal), var(--fudi-teal-dark));
    color: var(--fudi-white);
    padding: 0.8rem 1.2rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 12px 26px rgba(38, 208, 168, 0.35);
}

@media (max-width: 960px) {
    .mobile-waitlist-cta {
        display: block;
    }

    body.has-mobile-waitlist-cta {
        padding-bottom: 5rem;
    }

    body.has-mobile-waitlist-cta .toast {
        bottom: 6rem;
    }
}

@media (min-width: 961px) {
    body.has-mobile-waitlist-cta {
        padding-bottom: 0;
    }
}

/* Featured Posts Carousel */
.featured-posts-section {
    background: rgba(20, 43, 70, 0.4);
}

.featured-carousel {
    position: relative;
}

.featured-carousel__track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 100%;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding: 1rem;
    padding: 0.5rem 0 1rem;
    -webkit-overflow-scrolling: touch;
}

.featured-carousel__track::-webkit-scrollbar {
    display: none;
}

.featured-carousel__card {
    scroll-snap-align: start;
    background: rgba(10, 22, 40, 0.9);
    border: 1px solid rgba(44, 72, 104, 0.6);
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 18px 48px rgba(5, 12, 24, 0.45);
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.featured-carousel__media {
    position: relative;
    padding-top: 56%;
    overflow: hidden;
    background: rgba(26, 47, 79, 0.8);
}

.featured-carousel__media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-carousel__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.featured-carousel__title {
    color: var(--fudi-white);
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
}

.featured-carousel__title:hover {
    color: var(--fudi-teal);
}

.featured-carousel__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    color: var(--fudi-muted);
    font-size: 0.85rem;
}

.featured-carousel__tag {
    background: rgba(38, 208, 168, 0.18);
    color: var(--fudi-teal);
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.75rem;
}

.featured-carousel__excerpt {
    color: var(--fudi-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.featured-carousel__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--fudi-teal);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    margin-top: auto;
}

.featured-carousel__controls {
    display: none;
    align-items: center;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

.featured-carousel__control {
    background: rgba(10, 22, 40, 0.9);
    border: 1px solid rgba(44, 72, 104, 0.7);
    color: var(--fudi-white);
    border-radius: 0.75rem;
    padding: 0.45rem 0.6rem;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.featured-carousel__control:hover {
    border-color: var(--fudi-teal);
    color: var(--fudi-teal);
}

@media (min-width: 1024px) {
    .featured-carousel__track {
        grid-auto-columns: calc((100% - 3rem) / 3);
    }

    .featured-carousel__controls {
        display: flex;
    }
}

/* Calculator Banners */
.calculator-showcase {
    background: rgba(10, 22, 40, 0.85);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.calculator-card {
    border-radius: 1.5rem;
    border: 1px solid rgba(44, 72, 104, 0.8);
    background: linear-gradient(135deg, rgba(20, 43, 70, 0.9), rgba(10, 22, 40, 0.95));
    padding: 1.75rem;
    display: grid;
    gap: 1.5rem;
    box-shadow: 0 20px 60px rgba(5, 12, 24, 0.55);
}

.calculator-card__visual {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem;
    border-radius: 1.25rem;
    background: rgba(10, 22, 40, 0.7);
    border: 1px solid rgba(44, 72, 104, 0.6);
}

.calculator-card__body h3 {
    color: var(--fudi-white);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.calculator-card__body p {
    color: var(--fudi-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.calculator-card__link {
    color: var(--fudi-teal);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.calculator-card__link:hover {
    color: var(--fudi-white);
}

@media (min-width: 900px) {
    .calculator-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calculator-card {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
        align-items: center;
    }
}

/* Friction Visual */
.friction-meter {
    width: 18px;
    height: 140px;
    border-radius: 999px;
    background: rgba(44, 72, 104, 0.7);
    position: relative;
    overflow: hidden;
}

.friction-meter__fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(180deg, var(--fudi-teal) 0%, #FFD966 100%);
    animation: frictionFill 3.5s ease-in-out infinite;
}

.friction-meter__dot {
    position: absolute;
    left: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--fudi-white);
    transform: translateX(-50%);
    box-shadow: 0 0 14px rgba(38, 208, 168, 0.8);
    animation: frictionDot 3.5s ease-in-out infinite;
}

.friction-metric__value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--fudi-white);
}

.friction-metric__label {
    font-size: 0.85rem;
    color: var(--fudi-muted);
}

@keyframes frictionFill {
    0% {
        height: 40%;
    }

    50% {
        height: 82%;
    }

    100% {
        height: 55%;
    }
}

@keyframes frictionDot {
    0% {
        bottom: 35%;
    }

    50% {
        bottom: 78%;
    }

    100% {
        bottom: 50%;
    }
}

/* Menu Engineering Visual */
.menu-matrix {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    width: 170px;
    height: 170px;
}

.menu-matrix__cell {
    border-radius: 0.9rem;
    border: 1px solid rgba(44, 72, 104, 0.7);
    position: relative;
    padding: 0.5rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    background: rgba(20, 43, 70, 0.7);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.menu-matrix__cell.is-active {
    background: rgba(38, 208, 168, 0.18);
    border-color: rgba(38, 208, 168, 0.7);
}

.menu-matrix__label {
    font-size: 0.7rem;
    color: var(--fudi-muted);
    font-weight: 600;
}

.menu-matrix__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--fudi-teal);
    box-shadow: 0 0 12px rgba(38, 208, 168, 0.8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-matrix__cell.is-active .menu-matrix__dot {
    opacity: 1;
}

/* Pricing */
.pricing-section {
    background: transparent;
}

.calculator-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 40px rgba(5, 12, 24, 0.4);
}

.calculator-label {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--foreground);
}

.branch-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.branch-option {
    position: relative;
}

.branch-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.branch-option label {
    display: block;
    padding: 1rem 2rem;
    background: var(--neutral-slate);
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    min-width: 80px;
    text-align: center;
    color: var(--foreground);
}

.branch-option input[type="radio"]:checked+label {
    background: linear-gradient(135deg, var(--primary-teal), var(--primary-bright));
    border-color: var(--primary-glow);
    transform: translateY(-2px);
}

.branch-option label:hover {
    border-color: var(--primary-bright);
    transform: translateY(-2px);
}

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

.pricing-card {
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 10px 40px rgba(5, 12, 24, 0.4);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-bright);
}

.pricing-card.featured {
    border-color: var(--primary-bright);
    transform: scale(1.03);
}

.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-8px);
}

.card-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
    color: var(--neutral-deep-navy);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(255, 217, 102, 0.4);
}

.plan-name {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.plan-price {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--primary-glow);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.price-unit {
    font-size: 1rem;
    color: var(--muted-foreground);
    font-weight: 400;
}

.total-price {
    font-size: 1.1rem;
    color: var(--primary-bright);
    font-weight: 600;
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: hsla(169, 68%, 49%, 0.1);
    border-radius: 0.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--muted-foreground);
}

.check-icon {
    color: var(--primary-bright);
    font-size: 1.15rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.pricing-note {
    text-align: center;
    color: var(--muted-foreground);
    font-size: 0.95rem;
    margin-bottom: 3rem;
    padding: 1rem;
    background: hsla(169, 68%, 49%, 0.05);
    border-radius: 0.5rem;
}

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

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-bright);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s ease;
}

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

.faq-icon {
    font-size: 1.4rem;
    color: var(--primary-bright);
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
    color: var(--muted-foreground);
    line-height: 1.7;
}

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

.pricing-cta {
    background: transparent;
}

.pricing-cta__card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
    justify-content: space-between;
    background: linear-gradient(135deg, rgba(38, 208, 168, 0.18), rgba(10, 22, 40, 0.9));
    border: 1px solid rgba(38, 208, 168, 0.4);
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(5, 12, 24, 0.4);
}

.pricing-cta__title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.pricing-cta__subtitle {
    color: var(--muted-foreground);
    font-size: 1rem;
    line-height: 1.6;
}

.pricing-cta__button {
    background: linear-gradient(135deg, var(--primary-teal), var(--primary-bright));
    color: var(--foreground);
    font-weight: 700;
    padding: 0.85rem 1.5rem;
    border-radius: 0.9rem;
    text-decoration: none;
    box-shadow: 0 12px 26px rgba(38, 208, 168, 0.35);
}

@media (min-width: 768px) {
    .pricing-cta__card {
        flex-direction: row;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }

    .branch-option label {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Utility */
.section-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    font-weight: 700;
    color: var(--fudi-teal);
}