:root {
    --clr-bg: #f5f7fb;
    --clr-surface: #ffffff;
    --clr-primary: #0047ff;
    --clr-primary-dark: #91a4ff;
    --clr-accent: #ff7a18;
    --clr-muted: #6b7280;
    --clr-border: #e2e8f0;
    --clr-text: #0f172a;
    --clr-brand: #0f172a;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 20px 50px rgba(15, 23, 42, 0.12);
    --gap-xl: clamp(3rem, 6vw, 5rem);
    --gap-lg: clamp(2rem, 4vw, 3.5rem);
    --gap-md: clamp(1.5rem, 3vw, 2.5rem);
    --gap-sm: 1rem;
    --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
    font-family: 'Manrope', 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
}

:root[data-theme='dark'] {
    --clr-bg: #05090f;
    --clr-surface: #0f172a;
    --clr-primary: #7aa2ff;
    --clr-primary-dark: #c5d4ff;
    --clr-accent: #ffb869;
    --clr-muted: #a5b4cf;
    --clr-border: rgba(148, 163, 184, 0.3);
    --clr-text: #f1f5ff;
    --clr-brand: #0f172a;
    --shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 30px 60px rgba(0, 0, 0, 0.4);
}

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

body {
    margin: 0;
    font-family: inherit;
    color: var(--clr-text);
    background: var(--clr-bg);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.4s var(--ease-soft), color 0.4s var(--ease-soft);
}

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

a {
    color: inherit;
    text-decoration: none;
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(245, 247, 251, 0.9);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.top-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem clamp(1rem, 4vw, 2.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.brand__title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--clr-brand);
    transition: color 0.3s var(--ease-soft);
}

.brand__subtitle {
    font-size: 0.95rem;
    color: var(--clr-muted);
    transition: color 0.3s var(--ease-soft);
}

:root[data-theme='dark'] .brand__subtitle {
    color: #0f172a;
}


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

.nav__links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle,
.lang-toggle {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--clr-border);
    background: var(--clr-surface);
    color: inherit;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover,
.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.lang-toggle {
    width: auto;
    padding: 0 0.9rem;
}

.nav__link {
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: #1f2937;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav__link:hover,
.nav__link.is-active {
    background: rgba(0, 71, 255, 0.1);
    color: var(--clr-primary);
}

.nav__cta {
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(120deg, var(--clr-primary), var(--clr-accent));
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav__cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--clr-border);
    background: var(--clr-surface);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: #1f2937;
    position: relative;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
    content: '';
    position: absolute;
    left: 0;
}

.nav-toggle span::before {
    top: -6px;
}

.nav-toggle span::after {
    top: 6px;
}

.page-main {
    flex: 1;
    padding: var(--gap-xl) clamp(1rem, 4vw, 2.5rem) var(--gap-lg);
}

.section {
    max-width: 1200px;
    margin: 0 auto;
}

.section + .section {
    margin-top: var(--gap-xl);
}

.section__eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--clr-muted);
}

.section__title {
    font-size: clamp(2rem, 5vw, 2.9rem);
    line-height: 1.2;
    margin: 0.5rem 0 1rem;
}

.section__description {
    font-size: 1.05rem;
    color: var(--clr-muted);
    max-width: 680px;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-lg);
    align-items: center;
}

.hero__card {
    padding: clamp(2rem, 4vw, 3rem);
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.hero__card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at top, rgba(0, 71, 255, 0.15), transparent 60%);
    pointer-events: none;
}

.hero__title {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
    margin: 0 0 1rem;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.7rem;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
    color: #fff;
    background: linear-gradient(120deg, var(--clr-primary), #002dd8);
    box-shadow: var(--shadow-sm);
}

.btn--ghost {
    color: var(--clr-primary);
    border: 1px solid rgba(0, 71, 255, 0.3);
    background: rgba(0, 71, 255, 0.05);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--gap-sm);
}

.stat-card {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-md);
    border: 1px solid rgba(226, 232, 240, 0.7);
    backdrop-filter: blur(8px);
}

:root[data-theme='dark'] .stat-card {
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.stat-card__value {
    font-size: 2rem;
    font-weight: 700;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--gap-md);
    margin-top: var(--gap-lg);
}

.card {
    padding: 2rem;
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    font-size: 2rem;
}

.card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.card ul li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--clr-muted);
    font-size: 0.95rem;
}

.card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-accent);
}

.timeline {
    display: grid;
    gap: var(--gap-md);
    margin-top: var(--gap-lg);
}

.timeline-step {
    border-radius: var(--radius-md);
    background: rgba(0, 71, 255, 0.04);
    border: 1px solid rgba(0, 71, 255, 0.1);
    padding: 1.5rem;
}

.timeline-step__index {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: #fff;
    color: var(--clr-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.faq {
    margin-top: var(--gap-lg);
}

.faq-item {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    background: var(--clr-surface);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.faq-button {
    width: 100%;
    padding: 1.25rem 3rem 1.25rem 1.25rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    color: var(--clr-text);
}

.faq-button::after {
    content: '+';
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.faq-button[aria-expanded="true"]::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-panel {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.25rem;
    color: var(--clr-muted);
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-panel.is-open {
    padding-bottom: 1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--gap-md);
    margin-top: var(--gap-lg);
}

.contact-card {
    background: #010614;
    color: #fff;
    padding: 2rem;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.contact-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(255, 122, 24, 0.3), transparent 60%);
    pointer-events: none;
}

.contact-card a {
    color: #fff;
    font-weight: 600;
}

:root[data-theme='dark'] .contact-card {
    background: linear-gradient(135deg, #0b1220, #1b2235);
}

.footer {
    padding: 2.5rem clamp(1rem, 4vw, 2.5rem);
    background: #0b1220;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-top: var(--gap-xl);
}

.footer strong {
    color: #fff;
}

@media (max-width: 1024px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav__links {
        position: fixed;
        inset: 70px 1rem auto;
        flex-direction: column;
        padding: 1.5rem;
        background: rgba(255, 255, 255, 0.97);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .nav__links.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
    }

    .nav__cta {
        display: none;
    }
}

@media (max-width: 640px) {
    .top-bar {
        flex-wrap: wrap;
    }

    .hero__cta {
        flex-direction: column;
    }

    .stat-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
.theme-toggle:focus-visible,
.lang-toggle:focus-visible {
    outline: 2px solid var(--clr-primary);
    outline-offset: 2px;
}

:root[data-theme='dark'] .nav__cta {
    background: linear-gradient(120deg, var(--clr-primary), var(--clr-primary-dark));
}

[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-soft), transform 0.6s var(--ease-soft);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}