:root {
    --color-blue: #00358e;
    --color-blue-dark: #07262d;
    --color-green: #43b02a;
    --color-red: #d5001c;
    --color-ink: #16202a;
    --color-muted: #5c6875;
    --color-line: #d9e1ea;
    --color-surface: #ffffff;
    --color-surface-muted: #f4f7fa;
    --glass-surface: rgba(0, 53, 142, 0.68);
    --glass-surface-strong: rgba(0, 53, 142, 0.78);
    --glass-dark: rgba(0, 53, 142, 0.88);
    --shadow-soft: 0 18px 45px rgba(7, 38, 45, 0.12);
    --radius: 8px;
    --content-width: 1120px;
    --header-inner-width: 1080px;
    --header-height: 72px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
    margin: 0;
    background: transparent;
    color: var(--color-ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.55;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background: url("assets/optimized/background-1280.jpg") center / cover no-repeat;
}

body.nav-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    z-index: 20;
    top: 12px;
    left: 12px;
    transform: translateY(-140%);
    background: var(--color-blue);
    color: #fff;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-weight: 700;
}

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

.site-header {
    min-height: 100svh;
    background: transparent;
    color: #fff;
}

.top-nav {
    position: fixed;
    z-index: 10;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    width: min(100%, var(--content-width));
    margin: 0 auto;
    padding: 14px 20px;
}

.top-nav::before {
    content: "";
    position: fixed;
    inset: 0 0 auto;
    height: var(--header-height);
    background: rgba(7, 38, 45, 0.82);
    backdrop-filter: blur(14px);
    opacity: 0;
    transition: opacity 180ms ease;
    z-index: -1;
}

.top-nav.is-scrolled::before,
.top-nav:focus-within::before {
    opacity: 1;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
}

.brand-logo {
    width: min(210px, 48vw);
    height: 46px;
    object-fit: contain;
    object-position: left center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    min-height: 44px;
    padding: 11px 14px;
    border-radius: var(--radius);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.is-active {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    outline: none;
}

.nav-toggle {
    display: none;
}

.hero {
    display: flex;
    align-items: center;
    width: min(100%, var(--content-width));
    min-height: calc(100svh - var(--header-height));
    margin: 0 auto;
    padding: calc(var(--header-height) + 52px) 20px 112px;
}

.hero-content {
    max-width: 760px;
}

.event-title-image {
    width: min(760px, 92vw);
    max-height: 166px;
    object-fit: contain;
    object-position: left center;
    filter: drop-shadow(0 14px 24px rgba(7, 38, 45, 0.34));
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--color-green);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    font-size: clamp(3rem, 8vw, 6.6rem);
    line-height: 0.95;
    letter-spacing: 0;
}

h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: 0;
    text-shadow: 0 3px 16px rgba(7, 38, 45, 0.7);
}

h3 {
    margin: 0;
    color: #fff;
    font-size: 1.18rem;
    line-height: 1.25;
    text-shadow: 0 2px 10px rgba(7, 38, 45, 0.55);
}

.hero-copy {
    max-width: 680px;
    margin: 22px 0 0;
    color: rgba(255, 255, 255, 0.94);
    font-size: 1.14rem;
    text-shadow: 0 2px 12px rgba(7, 38, 45, 0.7);
}

.hero-actions,
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 18px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-weight: 800;
    text-decoration: none;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    outline: none;
}

.button-primary {
    background: var(--color-red);
    color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
    background: #b80018;
}

.button-secondary {
    background: #fff;
    color: var(--color-blue);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: var(--color-green);
}

.section {
    width: min(100%, var(--content-width));
    margin: 0 auto;
    padding: 88px 20px;
}

.section-muted {
    width: 100%;
    max-width: none;
    background: transparent;
}

.section-muted > * {
    width: min(100%, var(--header-inner-width));
    margin-right: auto;
    margin-left: auto;
}

.section-heading {
    max-width: 780px;
    margin-bottom: 36px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-heading p:not(.eyebrow) {
    margin: 16px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    text-shadow: 0 2px 12px rgba(7, 38, 45, 0.68);
}

.intro-grid,
.topic-grid,
.nfc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    align-items: stretch;
}

.intro-grid p {
    display: flex;
    align-items: center;
    margin: 0;
    color: rgba(255, 255, 255, 0.94);
    font-size: 1.12rem;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius);
    background: var(--glass-surface);
    backdrop-filter: blur(12px);
}

.segmented-control {
    display: flex;
    justify-content: center;
    gap: 4px;
    width: max-content;
    max-width: 100%;
    margin: 0 auto 26px;
    padding: 4px;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius);
    background: var(--glass-surface);
    backdrop-filter: blur(12px);
}

.filter-button {
    min-width: max-content;
    min-height: 42px;
    border: 0;
    border-radius: calc(var(--radius) - 2px);
    background: transparent;
    color: rgba(255, 255, 255, 0.82);
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: 10px 14px;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active {
    background: var(--color-blue);
    color: #fff;
    outline: none;
}

.timeline {
    display: grid;
    gap: 14px;
    width: 100%;
    max-width: var(--header-inner-width);
    margin-right: auto;
    margin-left: auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 18px;
    align-items: start;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-left: 5px solid var(--color-green);
    border-radius: var(--radius);
    background: var(--glass-surface-strong);
    backdrop-filter: blur(12px);
    transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.timeline-item[hidden] {
    display: none;
}

.timeline-item.is-agenda-ended {
    border-color: var(--color-line);
    border-left-color: var(--color-muted);
    background: rgba(244, 247, 250, 0.92);
    box-shadow: none;
}

.timeline-item time {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border-radius: var(--radius);
    background: #eaf4e7;
    color: #22660e;
    font-weight: 900;
}

.timeline-item.is-agenda-ended time {
    background: #fff;
    border: 1px solid var(--color-line);
    color: var(--color-muted);
}

.timeline-item.is-agenda-ended h3 {
    color: var(--color-ink);
}

.timeline-item.is-agenda-ended p {
    color: var(--color-muted);
}

.timeline-item p,
.topic-card p,
.nfc-card p,
.feature-card p,
.cta-section p {
    margin: 8px 0 0;
    color: rgba(255, 255, 255, 0.82);
}

.feature-card {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
    gap: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: var(--glass-surface-strong);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-soft);
}

.feature-card img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
}

.feature-card div {
    align-self: center;
    padding: clamp(26px, 5vw, 54px);
}

.topic-card,
.nfc-card {
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: var(--glass-surface-strong);
    backdrop-filter: blur(12px);
    padding: 26px;
}

.topic-card img {
    width: 64px;
    height: 64px;
    margin-bottom: 18px;
}

.nfc-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-list,
.steps-list {
    margin: 16px 0 0;
    padding-left: 1.2rem;
    color: rgba(255, 255, 255, 0.82);
}

.check-list li,
.steps-list li {
    margin: 10px 0;
}

.app-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.app-list span {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 8px 10px;
    border-radius: var(--radius);
    background: #eaf0f8;
    color: var(--color-blue);
    font-weight: 800;
}

.store-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.store-actions.has-single-store {
    grid-template-columns: 1fr;
}

.recommended-app {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 12px;
    align-items: center;
    margin: 14px 0 14px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
}

.recommended-app div {
    display: grid;
    gap: 2px;
}

.recommended-app strong {
    color: #fff;
}

.recommended-app span {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
}

.app-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: inset 0 0 0 2px rgba(0, 53, 142, 0.12);
}

.store-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 12px;
    border: 2px solid rgba(255, 255, 255, 0.26);
    border-radius: var(--radius);
    color: #fff;
    font-weight: 900;
    text-decoration: none;
}

.store-link[hidden] {
    display: none;
}

.store-icon {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    flex: 0 0 auto;
}

.store-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.store-link.is-recommended {
    border-color: #fff;
    background: #fff;
    color: var(--color-blue);
}

.note {
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 0.92rem;
}

.cta-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 40px;
    border-radius: var(--radius);
    background: var(--glass-dark);
    backdrop-filter: blur(12px);
    color: #fff;
}

.cta-section h2 {
    color: #fff;
}

.cta-section p {
    max-width: 640px;
    color: rgba(255, 255, 255, 0.78);
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    width: min(100%, var(--content-width));
    margin: 0 auto;
    padding: 32px 20px 42px;
    color: rgba(255, 255, 255, 0.84);
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: #fff;
    font-weight: 800;
    text-decoration: none;
}

.floating-agenda {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 9;
    display: none;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: var(--radius);
    background: var(--color-red);
    color: #fff;
    box-shadow: 0 12px 26px rgba(7, 38, 45, 0.25);
    font-weight: 900;
    text-decoration: none;
}

.agenda-reminder {
    position: fixed;
    right: 16px;
    bottom: 16px;
    left: 16px;
    z-index: 11;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    max-width: 760px;
    margin: 0 auto;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-left: 6px solid var(--color-red);
    border-radius: var(--radius);
    background: rgba(0, 53, 142, 0.94);
    color: #fff;
    box-shadow: 0 18px 38px rgba(7, 38, 45, 0.34);
    opacity: 0;
    pointer-events: none;
    transform: translateY(18px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.agenda-reminder.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.agenda-reminder > div:first-child {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.agenda-reminder-label,
.agenda-reminder span[data-reminder-time] {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.82rem;
    font-weight: 800;
}

.agenda-reminder strong {
    overflow: hidden;
    color: #fff;
    font-size: 1rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.agenda-reminder-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.agenda-reminder-actions a,
.agenda-reminder-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border-radius: var(--radius);
    font: inherit;
    font-weight: 900;
}

.agenda-reminder-actions a {
    padding: 9px 12px;
    background: #fff;
    color: var(--color-blue);
    text-decoration: none;
    white-space: nowrap;
}

.agenda-reminder-actions button {
    width: 40px;
    flex: 0 0 40px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
}

.has-agenda-reminder .floating-agenda {
    bottom: 104px;
}

@media (max-width: 860px) {
    .nav-toggle {
        position: relative;
        display: grid;
        place-items: center;
        width: 44px;
        height: 44px;
        border: 1px solid rgba(255, 255, 255, 0.34);
        border-radius: var(--radius);
        background: rgba(255, 255, 255, 0.12);
        cursor: pointer;
    }

    .nav-toggle span[aria-hidden="true"],
    .nav-toggle span[aria-hidden="true"]::before,
    .nav-toggle span[aria-hidden="true"]::after {
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 2px;
        background: #fff;
        content: "";
        transition: transform 160ms ease, opacity 160ms ease;
    }

    .nav-toggle span[aria-hidden="true"]::before {
        transform: translateY(-7px);
    }

    .nav-toggle span[aria-hidden="true"]::after {
        transform: translateY(5px);
    }

    .nav-toggle[aria-expanded="true"] span[aria-hidden="true"] {
        transform: rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] span[aria-hidden="true"]::before {
        opacity: 0;
    }

    .nav-toggle[aria-expanded="true"] span[aria-hidden="true"]::after {
        transform: translateY(-2px) rotate(90deg);
    }

    .nav-links {
        position: fixed;
        inset: var(--header-height) 12px auto;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: var(--radius);
        background: rgba(7, 38, 45, 0.96);
        box-shadow: var(--shadow-soft);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
    }

    .hero {
        align-items: flex-end;
        padding-bottom: 120px;
    }

    .intro-grid,
    .topic-grid,
    .nfc-grid,
    .feature-card {
        grid-template-columns: 1fr;
    }

    .cta-section {
        align-items: flex-start;
        flex-direction: column;
    }

    .floating-agenda {
        display: inline-flex;
    }

    .agenda-reminder {
        grid-template-columns: 1fr;
    }

    .agenda-reminder-actions {
        grid-column: 1 / -1;
        justify-content: end;
    }
}

@media (max-width: 560px) {
    :root {
        --header-height: 64px;
    }

    .top-nav {
        padding: 10px 14px;
    }

    .brand-logo {
        width: min(174px, 52vw);
        height: 40px;
    }

    .event-title-image {
        width: 100%;
    }

    .hero {
        min-height: calc(100svh - var(--header-height));
        padding: 38px 16px 108px;
    }

    .hero-copy {
        font-size: 1rem;
    }

    .button,
    .hero-actions,
    .cta-actions {
        width: 100%;
    }

    .topic-card,
    .nfc-card,
    .timeline-item {
        padding: 18px;
    }

    .section {
        padding: 68px 16px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .timeline-item time {
        width: max-content;
        min-width: 80px;
    }

    .feature-card img {
        min-height: 220px;
    }

    .site-footer {
        flex-direction: column;
        padding-right: 16px;
        padding-left: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}