/*
 * Milestogo public-site foundation
 *
 * Shared tokens and components for visitor and authentication pages. Page
 * layouts belong in separate files so this layer stays predictable.
 */

:root {
    --mt-green-950: #082f20;
    --mt-green-900: #0b3f29;
    --mt-green-800: #0d5832;
    --mt-green-700: #0d713c;
    --mt-green-600: #138a49;
    --mt-green-100: #dff5e7;
    --mt-green-50: #f1fbf4;
    --mt-lime: #b9dd62;
    --mt-gold: #f4bc4f;
    --mt-pond: #2c8d91;
    --mt-earth: #a65f35;
    --mt-ink: #13251b;
    --mt-muted: #607268;
    --mt-line: #dfe8e2;
    --mt-surface: #ffffff;
    --mt-surface-soft: #f6f9f6;
    --mt-surface-warm: #fbf8ef;
    --mt-green: var(--mt-green-700);
    --mt-green-dark: var(--mt-green-950);
    --mt-green-soft: var(--mt-green-50);
    --mt-bg: var(--mt-surface);
    --mt-soft: var(--mt-surface-soft);
    --mt-border: var(--mt-line);
    --mt-radius-sm: 12px;
    --mt-radius: 20px;
    --mt-radius-lg: 32px;
    --mt-shadow-sm: 0 10px 30px rgba(8, 47, 32, 0.08);
    --mt-shadow: 0 24px 70px rgba(8, 47, 32, 0.13);
    --mt-shadow-strong: 0 30px 90px rgba(8, 47, 32, 0.2);
    --mt-header-h: 56px;
    --mt-container: 1240px;
    --mt-reading: 760px;
    --mt-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

::selection {
    color: var(--mt-green-950);
    background: rgba(185, 221, 98, 0.58);
}

html {
    scroll-padding-top: calc(var(--mt-header-h) + 20px);
}

body {
    color: var(--mt-ink);
    background:
        radial-gradient(circle at 8% 8%, rgba(185, 221, 98, 0.08), transparent 24rem),
        var(--mt-surface);
}

body,
button,
input,
select,
textarea {
    font-family: Inter, "Noto Sans Bengali", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

img {
    max-width: 100%;
}

a {
    text-underline-offset: 0.18em;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 12px;
    z-index: 2000;
    padding: 10px 16px;
    color: #fff;
    background: var(--mt-green-950);
    border-radius: 999px;
    transform: translateY(-160%);
    transition: transform 160ms ease;
}

.skip-link:focus {
    color: #fff;
    transform: translateY(0);
}

.visually-hidden-focusable:not(:focus):not(:focus-within),
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.site-container {
    max-width: var(--mt-container);
}

.site-header {
    background: rgba(252, 254, 252, 0.88);
    border-bottom-color: rgba(223, 232, 226, 0.82);
    backdrop-filter: blur(20px) saturate(145%);
    -webkit-backdrop-filter: blur(20px) saturate(145%);
}

.site-nav {
    min-height: var(--mt-header-h);
    gap: 22px;
}

.brand {
    gap: 11px;
}

.brand-symbol {
    position: relative;
    width: 30px;
    height: 30px;
    overflow: hidden;
    color: #fff;
    background: linear-gradient(145deg, var(--mt-green-600), var(--mt-green-950));
    border-radius: 14px 14px 14px 5px;
    box-shadow: 0 8px 20px rgba(13, 113, 60, 0.22);
}

.brand-symbol::after {
    position: absolute;
    right: -8px;
    bottom: -9px;
    width: 26px;
    height: 26px;
    content: "";
    background: rgba(185, 221, 98, 0.72);
    border-radius: 50%;
}

.brand-symbol i {
    position: relative;
    z-index: 1;
}

.brand-name {
    font-size: 17px;
    font-weight: 850;
    letter-spacing: -0.035em;
}

.brand-subtitle {
    color: var(--mt-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.nav-search {
    width: min(260px, 20vw);
    height: 38px;
    padding: 0 15px;
    background: var(--mt-surface-soft);
    border-color: transparent;
}

.nav-search input {
    width: 100%;
}

.nav-search:focus-within {
    border-color: rgba(13, 113, 60, 0.34);
    box-shadow: 0 0 0 4px rgba(13, 113, 60, 0.08);
}

.nav-link-main {
    color: #34493c;
    font-size: 13.5px;
    padding: 9px 12px;
}

.nav-link-main:hover,
.nav-link-main.active,
.nav-dropdown-trigger[aria-expanded="true"] {
    color: var(--mt-green-800);
    background: var(--mt-green-50);
}

.nav-dropdown-panel,
.more-panel {
    border-color: rgba(223, 232, 226, 0.95);
    box-shadow: var(--mt-shadow);
}

.btn-site {
    min-height: 38px;
    height: 38px;
    padding: 0 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
    transition:
        transform 180ms var(--mt-ease),
        box-shadow 180ms ease,
        background-color 180ms ease,
        border-color 180ms ease,
        color 180ms ease;
}

.btn-site:hover {
    transform: translateY(-2px);
}

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

.btn-site-lg {
    min-height: 54px;
    padding: 14px 24px;
    border-radius: 16px;
    font-size: 15.5px;
}

.btn-site-primary {
    background: linear-gradient(135deg, var(--mt-green-700), var(--mt-green-900));
    border-color: var(--mt-green-700);
    box-shadow: 0 10px 24px rgba(13, 113, 60, 0.2);
}

.btn-site-primary:hover {
    background: linear-gradient(135deg, var(--mt-green-600), var(--mt-green-800));
    border-color: var(--mt-green-600);
    box-shadow: 0 14px 30px rgba(13, 113, 60, 0.26);
}

.btn-site-login {
    color: var(--mt-green-950);
    background: rgba(255, 255, 255, 0.86);
    border-color: var(--mt-line);
}

.lang-switch {
    padding-inline: 13px;
}

.more-toggle {
    width: 38px;
    height: 38px;
    border-color: var(--mt-line);
}

.site-section {
    padding-block: clamp(64px, 8vw, 104px);
}

.section-kicker {
    color: var(--mt-green-700);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.16em;
}

[lang="bn"] .section-kicker {
    letter-spacing: 0.04em;
}

.section-title {
    color: var(--mt-green-950);
    font-weight: 850;
    letter-spacing: -0.045em;
    text-wrap: balance;
}

[lang="bn"] .section-title {
    line-height: 1.27;
    letter-spacing: normal;
}

.lead-soft {
    color: var(--mt-muted);
    font-size: clamp(17px, 1.8vw, 20px);
    line-height: 1.75;
}

.text-soft {
    color: var(--mt-muted) !important;
}

.clean-card {
    border-color: var(--mt-line);
    border-radius: var(--mt-radius);
    box-shadow: 0 1px 0 rgba(8, 47, 32, 0.02);
}

.lift {
    transition:
        transform 240ms var(--mt-ease),
        box-shadow 240ms ease,
        border-color 240ms ease;
}

.lift:hover {
    border-color: rgba(13, 113, 60, 0.2);
    box-shadow: var(--mt-shadow-sm);
    transform: translateY(-6px);
}

.badge-soft {
    padding: 8px 13px;
    color: var(--mt-green-800);
    background: rgba(223, 245, 231, 0.8);
    border: 1px solid rgba(13, 113, 60, 0.1);
}

.feature-icon {
    color: var(--mt-green-800);
    background: linear-gradient(145deg, var(--mt-green-50), #e0f2e4);
}

.media-frame {
    position: relative;
    overflow: hidden;
    background: var(--mt-surface-soft);
    border: 1px solid var(--mt-line);
    border-radius: var(--mt-radius-lg);
}

.media-frame > picture {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.media-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-credit {
    position: absolute;
    right: 12px;
    bottom: 12px;
    padding: 5px 9px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 10px;
    font-weight: 700;
    background: rgba(8, 47, 32, 0.7);
    border-radius: 999px;
    backdrop-filter: blur(8px);
}

.site-footer {
    margin-top: clamp(64px, 8vw, 110px);
    padding: 64px 0 30px;
    background:
        radial-gradient(circle at 12% 16%, rgba(185, 221, 98, 0.12), transparent 22rem),
        var(--mt-green-950);
    border-top: 0;
}

.site-footer .brand,
.site-footer .brand-name,
.site-footer .footer-title {
    color: #fff;
}

.site-footer .brand-subtitle,
.site-footer .text-soft,
.site-footer .footer-link,
.site-footer .footer-bottom {
    color: rgba(238, 248, 241, 0.72) !important;
}

.site-footer .footer-link:hover {
    color: var(--mt-lime) !important;
}

.site-footer .footer-bottom {
    border-color: rgba(255, 255, 255, 0.12);
}

.search-overlay {
    background: rgba(8, 47, 32, 0.5);
    backdrop-filter: blur(6px);
}

.search-sheet {
    padding-block: 22px;
    box-shadow: var(--mt-shadow);
}

.search-sheet input {
    min-width: 0;
}

.auth-wrap {
    position: relative;
}

.auth-wrap::before {
    position: absolute;
    inset: 0 0 auto;
    z-index: -1;
    height: 340px;
    content: "";
    background:
        radial-gradient(circle at 15% 20%, rgba(185, 221, 98, 0.28), transparent 22rem),
        linear-gradient(180deg, var(--mt-green-50), transparent);
}

.auth-card .clean-card {
    box-shadow: var(--mt-shadow-sm);
}

@media (max-width: 1199.98px) {
    .nav-search {
        display: none;
    }
}

@media (max-width: 991.98px) {
    :root {
        --mt-header-h: 52px;
    }

    .site-nav {
        min-height: var(--mt-header-h);
    }

    .site-header .brand-symbol {
        width: 30px;
        height: 30px;
    }

    .bottom-nav {
        gap: 2px;
        background: rgba(252, 254, 252, 0.84);
        border-top-color: rgba(223, 232, 226, 0.9);
    }

    .bn-item {
        min-height: 50px;
    }
}

@media (max-width: 575.98px) {
    .site-container {
        padding-inline: 18px;
    }

    .site-section {
        padding-block: 56px;
    }

    .btn-site-lg {
        width: 100%;
    }

    .search-sheet form {
        flex-wrap: wrap;
    }

    .search-sheet input {
        flex-basis: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: more) {
    :root {
        --mt-muted: #425149;
        --mt-line: #a8b8ae;
    }

    .btn-site,
    .clean-card,
    .nav-search {
        border-width: 2px;
    }
}

/* The brand mark is the Miles Feed logo (blue disc, white mountain), not a coloured tile with an icon. */
.brand-symbol.logo { background: none; box-shadow: none; border-radius: 50%; overflow: visible; }
.brand-symbol.logo::after { display: none; }
.brand-symbol.logo img { display: block; width: 100%; height: 100%; }