:root {
    --primary-background: #ffffff;
    --secondary-background: #f8f9fa;
    --surface-card: #ffffff;
    --accent-magenta: #e11d48;
    --accent-magenta-hover: #be123c;
    --accent-pink-subtle: #ffe4e6;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-headings: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-base);
    background-color: var(--primary-background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.25;
    margin-top: 0;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a,
a:hover,
a:focus {
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: all 0.2s ease;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

:focus-visible {
    outline: 2px solid var(--accent-magenta);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--accent-pink-subtle);
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.75rem, 5vw, 2.25rem);
    }

    h2 {
        font-size: clamp(1.5rem, 4vw, 1.875rem);
    }

    h3 {
        font-size: clamp(1.25rem, 3.5vw, 1.5rem);
    }

    section {
        max-width: 100%;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
    }

    p {
        overflow-wrap: anywhere;
    }

    h4 {
        font-size: 1.15rem;
    }

    h5 {
        font-size: 1rem;
    }

    a[href^="mailto:"],
    a[href^="tel:"],
    code,
    pre {
        word-break: break-word;
        overflow-wrap: anywhere;
    }
}

/* ===== header ===== */
#header.site-header {
    position: relative;
    background-color: var(--primary-background);
    z-index: 100;
}

#header .brand-logo {
    max-width: 48px;
    height: auto;
    object-fit: contain;
}

#header .nav-link {
    color: var(--text-primary) !important;
    transition: color 0.2s ease-in-out;
    white-space: nowrap;
}

#header .nav-link:hover {
    color: var(--accent-magenta) !important;
}

#header .cta-button,
.mobile-menu-panel .btn-primary {
    background-color: var(--accent-magenta);
    border-color: var(--accent-magenta);
    border-radius: 8px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

#header .cta-button:hover,
.mobile-menu-panel .btn-primary:hover {
    background-color: var(--accent-magenta-hover);
    border-color: var(--accent-magenta-hover);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.6);
    z-index: 1050;
    display: none;
}

.mobile-menu-overlay.is-active {
    display: block;
}

.mobile-menu-panel {
    width: 100%;
    max-width: 360px;
    margin-left: auto;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
}

.mobile-menu-panel .nav-link:hover {
    background-color: var(--secondary-background);
    color: var(--accent-magenta) !important;
}

/* ===== hero_section ===== */
#hero {
    overflow: hidden;
    background-color: var(--primary-background);
}

#hero .hero-title {
    font-size: 2.75rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    hyphens: auto;
}

@media (max-width: 767.98px) {
    #hero .hero-title {
        font-size: 1.125rem !important;
        line-height: 1.25 !important;
    }

    #hero .hero-description {
        font-size: 0.875rem !important;
    }

    #hero .metric-card span.fs-4 {
        font-size: 1rem !important;
    }

    #hero .metric-card span.small {
        font-size: 0.75rem !important;
    }
}

#hero .btn-lg {
    transition: all 0.2s ease-in-out;
}

#hero .js-hero-cta-contact:hover {
    background-color: var(--accent-magenta-hover) !important;
    transform: translateY(-2px);
}

#hero .js-hero-cta-about:hover {
    background-color: var(--secondary-background) !important;
    color: var(--accent-magenta) !important;
    transform: translateY(-2px);
}

#hero .hero-image-container img {
    height: 380px;
    object-fit: cover;
}

@media (max-width: 991.98px) {
    #hero .hero-image-container img {
        height: 260px;
    }
}

/* ===== about_section ===== */
#about {
    overflow: hidden;
    width: 100%;
}

#about .img-fluid {
    width: 100%;
    display: block;
}

@media (max-width: 767.98px) {
    #about h2 {
        font-size: 1rem !important;
        line-height: 1.2 !important;
    }

    #about p {
        font-size: 0.875rem !important;
    }

    #about img {
        height: 260px !important;
    }
}

/* ===== how_it_works_section ===== */
#how-it-works {
    width: 100%;
}

#how-it-works .card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

#how-it-works .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08) !important;
}

@media (max-width: 767.98px) {
    #how-it-works h2 {
        font-size: 1rem !important;
        line-height: 1.25;
        hyphens: auto;
    }

    #how-it-works h3 {
        font-size: 0.875rem !important;
        line-height: 1.2;
        hyphens: auto;
    }
}

@media (min-width: 768px) {
    #how-it-works h2 {
        font-size: 2rem;
    }

    #how-it-works h3 {
        font-size: 1.25rem;
    }
}

/* ===== features_section ===== */
#features {
    overflow: hidden;
}

#features .js-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.08);
    border-color: var(--accent-magenta) !important;
}

@media (max-width: 767.98px) {
    #features h2 {
        font-size: 1rem !important;
        hyphens: auto;
        line-height: 1.2;
    }

    #features h3 {
        font-size: 0.875rem !important;
        hyphens: auto;
        line-height: 1.2;
    }

    #features p {
        font-size: 0.875rem !important;
    }
}

/* ===== technologies_section ===== */
#technologies {
    overflow: hidden;
    hyphens: auto;
}

#technologies .js-tech-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    width: 100%;
}

#technologies .js-tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
    border-color: var(--accent-magenta) !important;
}

@media (max-width: 767.98px) {
    #technologies h2 {
        font-size: 1rem !important;
        line-height: 1.2 !important;
    }

    #technologies h3 {
        font-size: 0.875rem !important;
        line-height: 1.2 !important;
    }
}

/* ===== use_cases_section ===== */
#use-cases {
    background-color: var(--secondary-background);
    width: 100%;
}

.use-cases-badge {
    background-color: var(--accent-pink-subtle);
    color: var(--accent-magenta);
    font-size: 0.75rem;
    letter-spacing: 0.05rem;
}

.use-cases-title {
    color: var(--text-primary);
}

.use-cases-desc {
    color: var(--text-secondary);
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.use-case-card {
    background-color: var(--surface-card);
    border: 1px solid var(--border-color) !important;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06) !important;
}

.icon-box {
    width: 54px;
    height: 54px;
    min-width: 54px;
    background-color: var(--accent-pink-subtle);
    color: var(--accent-magenta);
}

.use-case-kicker {
    color: var(--accent-magenta);
    font-size: 0.75rem;
}

.use-case-heading {
    color: var(--text-primary);
}

.context-box {
    background-color: var(--secondary-background);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.section-mini-label {
    color: var(--text-primary);
    font-size: 0.75rem;
    letter-spacing: 0.04rem;
}

.benefits-wrapper {
    color: var(--text-secondary);
}

.benefits-wrapper li {
    color: var(--text-secondary);
}

.text-accent-magenta {
    color: var(--accent-magenta) !important;
}

@media (max-width: 767.98px) {
    .use-cases-title {
        font-size: 1rem !important;
        line-height: 1.25;
        hyphens: auto;
    }

    .use-case-heading {
        font-size: 0.875rem !important;
        line-height: 1.2;
        hyphens: auto;
    }

    .use-case-card {
        padding: 1.25rem !important;
    }
}

/* ===== security_section ===== */
#security {
    width: 100%;
    position: relative;
}

#security .card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#security .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
}

/* ===== advantages_section ===== */
#advantages {
    overflow: hidden;
}

#advantages .js-advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08) !important;
}

@media (max-width: 767.98px) {
    #advantages h2 {
        font-size: 1rem !important;
        line-height: 1.25 !important;
    }

    #advantages h3 {
        font-size: 0.875rem !important;
        line-height: 1.25 !important;
    }
}

/* ===== insights_section ===== */
#insights {
    overflow: hidden;
}

#insights .card {
    border: 1px solid var(--border-color);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

#insights .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08) !important;
}

#insights .js-modal-trigger:hover {
    background-color: var(--accent-magenta) !important;
    color: #ffffff !important;
}

#insights .js-modal-trigger:hover i {
    color: #ffffff !important;
}

@media (max-width: 767.98px) {
    #insights h2 {
        font-size: 1rem !important;
        line-height: 1.25 !important;
        hyphens: auto;
    }

    #insights h3 {
        font-size: 0.875rem !important;
        line-height: 1.2 !important;
        hyphens: auto;
    }

    #insights .card-text {
        font-size: 0.8125rem !important;
    }
}

/* ===== faq_section ===== */
#faq {
    width: 100%;
    hyphens: auto;
}

#faq .accordion-button:not(.collapsed) {
    background-color: var(--surface-card);
    color: var(--accent-magenta);
}

#faq .accordion-button:focus {
    box-shadow: none;
    border-color: var(--border-color);
}

#faq .accordion-button::after {
    filter: grayscale(1) invert(0);
    transition: transform 0.2s ease-in-out;
}

#faq .accordion-button:not(.collapsed)::after {
    filter: none;
}

@media (max-width: 767.98px) {
    #faq h2 {
        font-size: 1rem !important;
        line-height: 1.25 !important;
    }

    #faq h3 button {
        font-size: 0.875rem !important;
        line-height: 1.3 !important;
    }
}

/* ===== contact_section ===== */
#contact {
    overflow: hidden;
}

#contact input::placeholder,
#contact textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

#contact input:focus,
#contact textarea:focus {
    border-color: var(--accent-magenta);
    box-shadow: 0 0 0 0.25rem rgba(225, 29, 72, 0.15);
    outline: none;
}

#contact .form-check-input:checked {
    background-color: var(--accent-magenta);
    border-color: var(--accent-magenta);
}

#contact button[type="submit"]:hover {
    background-color: var(--accent-magenta-hover) !important;
}

@media (max-width: 767.98px) {
    #contact h2 {
        font-size: 1rem !important;
        line-height: 1.2;
        hyphens: auto;
    }

    #contact h3 {
        font-size: 0.875rem !important;
        line-height: 1.2;
        hyphens: auto;
    }
}

/* ===== footer ===== */
#footer {
    width: 100%;
    box-sizing: border-box;
}

#footer .footer-nav-link,
#footer .footer-legal-link {
    transition: color 0.2s ease-in-out;
}

#footer .footer-nav-link:hover,
#footer .footer-legal-link:hover {
    color: var(--accent-magenta) !important;
}

@media (max-width: 767.98px) {
    #footer .footer-heading {
        font-size: 0.75rem !important;
    }

    #footer .footer-desc,
    #footer .footer-nav-link,
    #footer .footer-legal-link {
        font-size: 0.875rem !important;
    }

    #footer .footer-brand-text {
        font-size: 0.75rem !important;
    }
}