:root {
    --brand-sun: #f49614;
    --brand-energy: #d7211d;
    --brand-orange: #eb5b12;
    --brand-dawn: #fbb103;
    --brand-sunset: #fc615d;
    --brand-black: #0f0f0f;
    --brand-white: #fefefe;
    --brand-sand: #fdf5eb;
    --brand-gradient: linear-gradient(100deg, var(--brand-sun) 0%, var(--brand-orange) 52%, var(--brand-energy) 100%);
    --brand-border: rgba(15, 15, 15, .12);
    --brand-muted: rgba(15, 15, 15, .66);
    --brand-shadow: 0 18px 50px rgba(15, 15, 15, .1);
    --header-height: 76px;
    --bitur-gold: var(--brand-sun);
    --bitur-orange: var(--brand-orange);
    --bitur-red: var(--brand-energy);
    --bitur-border: var(--brand-border);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
    margin: 0;
    color: var(--brand-black);
    background: var(--brand-white);
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
}

body.mobile-nav-open {
    overflow: hidden;
}

img {
    max-width: 100%;
}

a {
    color: var(--brand-energy);
    text-decoration-thickness: .08em;
    text-underline-offset: .18em;
}

a:hover {
    color: var(--brand-orange);
}

button,
input,
textarea,
select {
    font: inherit;
}

:focus-visible {
    outline: 3px solid var(--brand-dawn);
    outline-offset: 3px;
}

::selection {
    color: var(--brand-black);
    background: var(--brand-dawn);
}

.container {
    --bs-gutter-x: clamp(2rem, 5vw, 5rem);
}

.container--narrow {
    max-width: 940px;
}

.container--compact {
    max-width: 860px;
}

/* Header */
.site-header {
    z-index: 1040;
}

.bitur-navbar {
    min-height: var(--header-height);
    padding: .45rem 0;
    color: var(--brand-white);
    background: rgba(15, 15, 15, .97);
    border-bottom: 1px solid rgba(254, 254, 254, .1);
    box-shadow: 0 10px 30px rgba(15, 15, 15, .16);
    backdrop-filter: blur(14px);
}

.navbar-brand {
    min-width: 0;
    margin-right: 1.25rem;
}

.bitur-nav-logo {
    width: 114px;
    height: auto;
}

.brand-tagline {
    padding-left: 1rem;
    color: var(--brand-white);
    border-left: 1px solid rgba(254, 254, 254, .26);
    font-size: .7rem;
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
}

.bitur-navbar .navbar-nav {
    gap: .15rem;
}

.bitur-navbar .nav-link {
    position: relative;
    padding: .6rem .72rem !important;
    color: rgba(254, 254, 254, .82);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .02em;
}

.bitur-navbar .nav-link::after {
    position: absolute;
    right: .72rem;
    bottom: .3rem;
    left: .72rem;
    height: 2px;
    content: "";
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .2s ease;
}

.bitur-navbar .nav-link:hover,
.bitur-navbar .nav-link:focus,
.bitur-navbar .nav-link.active {
    color: var(--brand-white);
}

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

.sidebar-cta-section {
    display: flex;
    align-items: center;
    gap: .72rem;
}

.language-switcher select {
    min-height: 38px;
    padding: .35rem 1.65rem .35rem .55rem;
    color: var(--brand-white);
    background-color: rgba(254, 254, 254, .06);
    border: 1px solid rgba(254, 254, 254, .22);
    border-radius: 8px;
    font-size: .72rem;
    font-weight: 700;
}

.language-switcher option {
    color: var(--brand-black);
    background: var(--brand-white);
}

.nav-cta,
.brand-button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    padding: .72rem 1.2rem;
    color: var(--brand-white);
    background: var(--brand-gradient);
    border: 0;
    border-radius: 10px;
    box-shadow: 0 9px 24px rgba(215, 33, 29, .2);
    font-size: .82rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.nav-cta:hover,
.nav-cta:focus,
.brand-button:hover,
.brand-button:focus {
    color: var(--brand-white);
    box-shadow: 0 12px 28px rgba(215, 33, 29, .28);
    filter: saturate(1.08);
    transform: translateY(-2px);
}

.brand-button:disabled {
    cursor: wait;
    filter: grayscale(.3);
    opacity: .7;
    transform: none;
}

.icons-menu-main,
.social-links {
    display: flex;
    align-items: center;
    gap: .35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.social-icon-link,
.social-links a {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    color: var(--brand-white);
    border: 1px solid rgba(254, 254, 254, .17);
    border-radius: 50%;
    text-decoration: none;
    transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

.social-icon-link:hover,
.social-icon-link:focus,
.social-links a:hover,
.social-links a:focus {
    color: var(--brand-black);
    background: var(--brand-dawn);
    border-color: var(--brand-dawn);
}

.navbar-toggler {
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid rgba(254, 254, 254, .28) !important;
    border-radius: 8px;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(251, 177, 3, .3);
}

.menu-toggle-lines {
    display: grid;
    justify-content: center;
    gap: 5px;
}

.menu-toggle-lines span {
    display: block;
    width: 21px;
    height: 2px;
    background: var(--brand-white);
    border-radius: 2px;
}

.sidebar-mobile-header,
.sidebar-date-badge {
    display: none;
}

.sidebar-backdrop {
    position: fixed;
    z-index: 1035;
    inset: 0;
    visibility: hidden;
    background: rgba(15, 15, 15, .62);
    opacity: 0;
    transition: opacity .25s ease, visibility .25s ease;
}

.sidebar-backdrop.show {
    visibility: visible;
    opacity: 1;
}

/* Banner */
.home-hero-banner {
    padding-top: var(--header-height);
    overflow: hidden;
    background: var(--brand-black);
}

.home-hero-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 1200 / 678;
    margin: 0 auto;
}

.home-hero-artwork {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.home-hero-hotspot {
    position: absolute;
    top: 70.3%;
    height: 10.1%;
    border: 2px solid transparent;
    border-radius: 11px;
    transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}

.home-hero-hotspot:hover,
.home-hero-hotspot:focus-visible {
    background: rgba(254, 254, 254, .12);
    border-color: var(--brand-white);
    transform: translateY(-2px);
}

.home-hero-ticket {
    left: 35.55%;
    width: 15.75%;
}

.home-hero-stand {
    left: 52%;
    width: 15.6%;
}

.angola-pattern-banner {
    min-height: clamp(48px, 6vw, 76px);
    background: var(--brand-gradient) url("../images/bitur-2026-footer-pattern.png") center / cover no-repeat;
}

/* Core sections */
.page-main {
    padding-top: calc(var(--header-height) + clamp(3.5rem, 7vw, 6.5rem));
}

.content-section {
    padding: clamp(4.5rem, 8vw, 7.5rem) 0;
    background: var(--brand-white);
}

.content-section--sand {
    background: var(--brand-sand);
}

.content-section--dark {
    color: var(--brand-white);
    background: var(--brand-black);
}

.section-heading {
    max-width: 760px;
    margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-heading.text-center {
    margin-right: auto;
    margin-left: auto;
}

h1,
h2,
h3,
h4,
h5,
h6,
.section-title,
.section-heading {
    font-family: "Montserrat", Arial, sans-serif;
    font-weight: 700;
    line-height: 1.12;
}

.section-eyebrow {
    display: inline-block;
    margin-bottom: .7rem;
    color: var(--brand-energy);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.section-eyebrow--light {
    color: var(--brand-dawn);
}

.section-title,
.section-heading {
    margin: 0;
    color: var(--brand-black);
    font-size: clamp(2rem, 4vw, 3.7rem);
    letter-spacing: -.035em;
}

.section-title--light,
.section-heading--light {
    color: var(--brand-white);
}

.section-intro {
    max-width: 680px;
    margin: 1rem auto 0;
    color: var(--brand-muted);
    font-size: 1.05rem;
}

/* Countdown */
.countdown-section {
    position: relative;
    padding: clamp(3rem, 6vw, 5.5rem) 0;
    overflow: hidden;
    color: var(--brand-white);
    background: var(--brand-black);
}

.countdown-section::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    content: "";
    background: var(--brand-gradient);
}

.event-location {
    margin: .5rem 0 0;
    color: rgba(254, 254, 254, .64);
    font-size: 1rem;
}

.event-countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .75rem;
}

.countdown-unit {
    min-width: 0;
    padding: 1.15rem .45rem;
    text-align: center;
    background: rgba(254, 254, 254, .055);
    border: 1px solid rgba(254, 254, 254, .13);
    border-radius: 12px;
}

.countdown-unit strong {
    display: block;
    color: var(--brand-white);
    font-size: clamp(1.65rem, 4vw, 3.4rem);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.countdown-unit span {
    display: block;
    margin-top: .55rem;
    color: var(--brand-dawn);
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

/* Home */
.history-card {
    position: relative;
    height: 100%;
    padding: clamp(1.5rem, 3vw, 2.2rem);
    overflow: hidden;
    background: var(--brand-white);
    border: 1px solid rgba(215, 33, 29, .13);
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(15, 15, 15, .055);
    transition: transform .2s ease, box-shadow .2s ease;
}

.history-card::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    content: "";
    background: var(--brand-gradient);
}

.history-card:hover {
    box-shadow: var(--brand-shadow);
    transform: translateY(-4px);
}

.history-card-title {
    margin: 0 0 1rem;
    color: var(--brand-energy);
    font-size: 1.08rem;
}

.history-card-text {
    color: rgba(15, 15, 15, .78);
    font-size: .93rem;
}

.history-card-text p:last-child {
    margin-bottom: 0;
}

.bitur-faq .accordion {
    overflow: hidden;
    background: var(--brand-white);
    border: 1px solid var(--brand-border);
    border-radius: 14px;
    box-shadow: 0 14px 42px rgba(15, 15, 15, .06);
}

.bitur-faq .accordion-item {
    background: transparent;
    border-color: var(--brand-border);
}

.bitur-faq .accordion-button {
    padding: 1.4rem 1.5rem;
    color: var(--brand-black);
    background: var(--brand-white);
    font-size: .95rem;
    font-weight: 700;
    box-shadow: none;
}

.bitur-faq .accordion-button:not(.collapsed) {
    color: var(--brand-energy);
    background: var(--brand-sand);
}

.bitur-faq .accordion-button:focus {
    box-shadow: inset 0 0 0 3px rgba(251, 177, 3, .35);
}

.bitur-faq .accordion-body {
    padding: 0 1.5rem 1.5rem;
    color: var(--brand-muted);
    background: var(--brand-sand);
}

/* Inner-page hero */
.subpage-hero {
    position: relative;
    padding: calc(var(--header-height) + clamp(4rem, 8vw, 7rem)) 0 clamp(4.5rem, 8vw, 7rem);
    overflow: hidden;
    color: var(--brand-white);
    background: var(--brand-black);
}

.subpage-hero::before {
    position: absolute;
    right: -8%;
    bottom: -8%;
    width: min(64vw, 900px);
    height: min(16vw, 190px);
    content: "";
    background: url("../images/bitur-2026-footer-pattern.png") center / cover no-repeat;
    opacity: .12;
}

.subpage-hero::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 4px;
    content: "";
    background: var(--brand-gradient);
}

.subpage-hero .container {
    position: relative;
    z-index: 1;
}

.subpage-hero h1,
.subpage-hero__title {
    max-width: 850px;
    margin: 1rem 0;
    color: var(--brand-white);
    font-size: clamp(2.55rem, 6vw, 5.4rem);
    font-weight: 700;
    letter-spacing: -.055em;
    line-height: .98;
}

.subpage-lead,
.subpage-hero__lead {
    max-width: 720px;
    margin: 0 0 2rem;
    color: rgba(254, 254, 254, .76);
    font-size: clamp(1rem, 2vw, 1.22rem);
}

.brand-badge {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem;
    padding: .48rem .75rem;
    color: var(--brand-white);
    background: rgba(244, 150, 20, .13);
    border: 1px solid rgba(251, 177, 3, .38);
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.brand-badge span:first-child {
    color: var(--brand-dawn);
}

.anchor-links {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-top: 2rem;
}

.anchor-links a {
    padding: .55rem .8rem;
    color: var(--brand-white);
    border: 1px solid rgba(254, 254, 254, .28);
    border-radius: 8px;
    font-size: .72rem;
    font-weight: 700;
    text-decoration: none;
}

.anchor-links a:hover,
.anchor-links a:focus {
    color: var(--brand-black);
    background: var(--brand-dawn);
    border-color: var(--brand-dawn);
}

.event-fact-card {
    display: grid;
    gap: .35rem;
    padding: clamp(1.5rem, 3vw, 2rem);
    text-align: left;
    background: rgba(254, 254, 254, .06);
    border: 1px solid rgba(254, 254, 254, .16);
    border-radius: 14px;
    backdrop-filter: blur(12px);
}

.event-fact-card span,
.event-fact-card__label {
    color: var(--brand-dawn);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.event-fact-card strong,
.event-fact-card__value {
    color: var(--brand-white);
    font-size: clamp(1rem, 2vw, 1.28rem);
    font-weight: 700;
    line-height: 1.35;
}

.event-fact-card small,
.event-fact-card__meta {
    color: rgba(254, 254, 254, .65);
    font-size: .78rem;
}

/* Editorial */
.bitur-editorial-container {
    max-width: 1020px;
    margin: 0 auto;
}

.bitur-editorial-card,
.editorial-feature {
    position: relative;
    padding: clamp(1.6rem, 4vw, 3.3rem);
    background: var(--brand-white);
    border: 1px solid var(--brand-border);
    border-radius: 14px;
    box-shadow: 0 13px 38px rgba(15, 15, 15, .06);
}

.bitur-editorial-card::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    content: "";
    border-radius: 14px 0 0 14px;
}

.bitur-editorial-card.accent-gold::before {
    background: var(--brand-sun);
}

.bitur-editorial-card.accent-red::before {
    background: var(--brand-energy);
}

.bitur-editorial-card.accent-dark::before {
    background: var(--brand-black);
}

.bitur-body-text,
.editorial-copy {
    color: rgba(15, 15, 15, .78);
    font-size: .98rem;
    line-height: 1.82;
}

.bitur-body-text:last-child {
    margin-bottom: 0;
}

.brand-pillar-list {
    display: grid;
    gap: .8rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.brand-list-item {
    padding: .9rem 1rem;
    background: var(--brand-sand);
    border-left: 4px solid;
    border-radius: 0 8px 8px 0;
}

.brand-list-item--sun {
    border-color: var(--brand-sun);
}

.brand-list-item--orange {
    border-color: var(--brand-orange);
}

.brand-list-item--energy {
    border-color: var(--brand-energy);
}

.bitur-guest-country-box {
    padding: clamp(1.6rem, 4vw, 3.3rem);
    background: rgba(254, 254, 254, .055);
    border: 1px solid rgba(254, 254, 254, .14);
    border-radius: 14px;
}

.bitur-body-text-white {
    color: rgba(254, 254, 254, .78);
    font-size: .98rem;
    line-height: 1.82;
}

.guest-country__closing {
    color: var(--brand-dawn);
}

.editorial-feature::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    content: "";
    background: var(--brand-gradient);
    border-radius: 14px 14px 0 0;
}

/* Agenda */
.agenda-tabs-container {
    overflow-x: auto;
    scrollbar-width: thin;
}

.agenda-tabs {
    min-width: max-content;
    gap: .55rem;
    padding: .4rem;
    background: rgba(244, 150, 20, .1);
    border: 1px solid rgba(244, 150, 20, .18);
    border-radius: 12px;
}

.agenda-tabs .nav-link {
    min-width: 96px;
    padding: .8rem 1rem;
    color: var(--brand-black);
    border-radius: 8px;
    font-size: .8rem;
    font-weight: 700;
    text-align: center;
}

.agenda-tabs .nav-link:hover,
.agenda-tabs .nav-link:focus {
    color: var(--brand-energy);
}

.agenda-tabs .nav-link.active {
    color: var(--brand-white);
    background: var(--brand-gradient);
    box-shadow: 0 8px 20px rgba(215, 33, 29, .17);
}

.agenda-card {
    padding: clamp(1.5rem, 4vw, 3rem);
    background: var(--brand-white);
    border: 1px solid rgba(215, 33, 29, .12);
    border-radius: 14px;
    box-shadow: 0 14px 38px rgba(15, 15, 15, .07);
}

.agenda-copy {
    color: rgba(15, 15, 15, .78);
    line-height: 1.82;
}

.agenda-copy b {
    color: var(--brand-energy);
}

/* Stand and registration */
.stand-card,
.registration-card {
    position: relative;
    max-width: 850px;
    margin: 0 auto;
    padding: clamp(1.6rem, 4vw, 3.4rem);
    overflow: hidden;
    background: var(--brand-white);
    border: 1px solid rgba(215, 33, 29, .13);
    border-radius: 16px;
    box-shadow: var(--brand-shadow);
}

.stand-card::before,
.registration-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 5px;
    content: "";
    background: var(--brand-gradient);
}

.stand-card h2 {
    margin-bottom: 1.25rem;
    font-size: clamp(1.45rem, 3vw, 2rem);
}

.stand-card p {
    color: var(--brand-muted);
}

.stand-contact {
    display: grid;
    gap: .25rem;
    margin: 1.8rem 0;
    padding: 1.15rem 1.25rem;
    background: var(--brand-sand);
    border-left: 4px solid var(--brand-orange);
    border-radius: 0 10px 10px 0;
}

.stand-contact span {
    color: var(--brand-muted);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.stand-contact a {
    font-weight: 700;
}

.registration-card {
    max-width: 780px;
}

.form-group label {
    display: block;
    margin-bottom: .45rem;
    color: var(--brand-black);
    font-size: .79rem;
    font-weight: 700;
}

.form-control {
    min-height: 52px;
    padding: .75rem .95rem;
    color: var(--brand-black);
    background: var(--brand-white);
    border: 1px solid rgba(15, 15, 15, .22);
    border-radius: 9px;
}

.form-control::placeholder {
    color: rgba(15, 15, 15, .48);
}

.form-control:hover {
    border-color: rgba(15, 15, 15, .4);
}

.form-control:focus {
    color: var(--brand-black);
    background: var(--brand-white);
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 .24rem rgba(235, 91, 18, .14);
}

.form-feedback {
    padding: .9rem 1rem;
    border-radius: 9px;
    font-size: .86rem;
    font-weight: 700;
}

.form-feedback--success {
    color: var(--brand-black);
    background: rgba(251, 177, 3, .14);
    border: 1px solid rgba(244, 150, 20, .42);
}

.form-feedback--error {
    color: var(--brand-energy);
    background: rgba(252, 97, 93, .12);
    border: 1px solid var(--brand-sunset);
}

/* Footer */
.bitur-footer-pattern {
    min-height: clamp(56px, 6vw, 76px);
    overflow: hidden;
    background: var(--brand-gradient);
}

.bitur-footer-pattern img {
    display: block;
    width: 100%;
    height: clamp(56px, 6vw, 76px);
    object-fit: cover;
    object-position: center;
}

.bitur-footer {
    padding: clamp(3.2rem, 6vw, 5.5rem) 0 1.4rem;
    color: var(--brand-white);
    background: var(--brand-black);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: clamp(1.8rem, 4vw, 4rem);
}

.footer-label {
    display: block;
    margin-bottom: .75rem;
    color: var(--brand-dawn);
    font-size: .69rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.footer-grid p {
    margin: 0;
    color: rgba(254, 254, 254, .72);
    font-size: .86rem;
    line-height: 1.55;
}

.footer-grid a,
.footer-bottom a {
    color: var(--brand-white);
    text-decoration: none;
}

.footer-grid a:hover,
.footer-grid a:focus,
.footer-bottom a:hover,
.footer-bottom a:focus {
    color: var(--brand-dawn);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(254, 254, 254, .13);
}

.footer-bottom p {
    margin: 0;
    color: rgba(254, 254, 254, .5);
    font-size: .7rem;
}

.institutional-logos-bar {
    padding: clamp(1.5rem, 3vw, 2.25rem) 0;
    background: var(--brand-white);
}

.institutional-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(2rem, 5vw, 4.5rem);
    flex-wrap: wrap;
}

.institutional-logo {
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.institutional-logo--mintur {
    width: min(44vw, 440px);
}

.institutional-logo--visit {
    width: min(38vw, 380px);
}

@media (max-width: 1199.98px) {
    .icons-menu-main {
        display: none;
    }
}

@media (max-width: 991.98px) {
    :root {
        --header-height: 70px;
    }

    .bitur-nav-logo {
        width: 102px;
    }

    .bitur-navbar .navbar-collapse {
        position: fixed;
        z-index: 1045;
        top: 0;
        right: 0;
        bottom: 0;
        display: block !important;
        width: min(88vw, 390px);
        height: 100vh;
        height: 100dvh;
        max-height: 100vh;
        max-height: 100dvh;
        padding: 1.25rem;
        overflow-y: auto;
        visibility: hidden;
        background: var(--brand-black);
        box-shadow: -18px 0 50px rgba(15, 15, 15, .35);
        transform: translateX(105%);
        transition: transform .27s ease, visibility .27s ease;
    }

    .bitur-navbar .navbar-collapse.is-open {
        visibility: visible;
        transform: translateX(0);
    }

    .sidebar-mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 2rem;
        padding-bottom: 1.1rem;
        border-bottom: 1px solid rgba(254, 254, 254, .12);
    }

    .sidebar-mobile-header img {
        width: 116px;
        height: auto;
    }

    .sidebar-close-btn {
        width: 42px;
        height: 42px;
        padding: 0;
        color: var(--brand-white);
        background: transparent;
        border: 1px solid rgba(254, 254, 254, .24);
        border-radius: 50%;
        font-size: 1.8rem;
        line-height: 1;
    }

    .bitur-navbar .navbar-nav {
        align-items: stretch !important;
        gap: .25rem;
    }

    .bitur-navbar .nav-link {
        padding: .85rem .25rem !important;
        font-size: .95rem;
    }

    .bitur-navbar .nav-link::after {
        right: auto;
        bottom: .6rem;
        left: .25rem;
        width: 42px;
    }

    .sidebar-cta-section {
        display: grid;
        margin-top: 1.4rem;
    }

    .sidebar-cta-section .icons-menu-main {
        display: flex;
        margin-top: .6rem;
    }

    .nav-cta {
        width: 100%;
    }

    .sidebar-date-badge {
        display: block;
        margin-top: 2rem;
        padding-top: 1rem;
        color: var(--brand-dawn);
        border-top: 1px solid rgba(254, 254, 254, .12);
        font-size: .71rem;
        font-weight: 700;
        letter-spacing: .07em;
        text-transform: uppercase;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: .94rem;
    }

    .home-hero-stage {
        left: calc(50% - 10px);
        width: auto;
        height: clamp(420px, 116vw, 490px);
        aspect-ratio: 1200 / 678;
        transform: translateX(-50%);
    }

    .home-hero-artwork {
        max-width: none;
    }

    .event-countdown {
        gap: .4rem;
    }

    .countdown-unit {
        padding: 1rem .25rem;
        border-radius: 9px;
    }

    .countdown-unit span {
        font-size: .55rem;
        letter-spacing: .03em;
    }

    .subpage-hero::before {
        right: -45%;
        width: 135vw;
        height: 21vw;
    }

    .anchor-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .anchor-links a {
        display: flex;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
    }

    .institutional-logos {
        flex-direction: column;
        gap: 1.25rem;
    }

    .institutional-logo--mintur {
        width: min(92vw, 440px);
    }

    .institutional-logo--visit {
        width: min(88vw, 380px);
    }
}

@media (max-width: 479.98px) {
    .anchor-links {
        grid-template-columns: 1fr;
    }

    .brand-button {
        width: 100%;
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}