/* ============================================================
   Kosair Live 2026 — Thank You landing page
   Dark, concert / live-event aesthetic
   ============================================================ */

:root {
    --bg: #08070c;
    --bg-2: #0e0c15;
    --surface: #14121d;
    --surface-2: #1b1826;
    --border: rgba(255, 255, 255, 0.09);

    --text: #f4f1f6;
    --text-muted: #a7a1b4;

    /* Kosair-inspired stage palette */
    --red: #e8352b;
    --red-deep: #b21f18;
    --gold: #f6c65b;
    --magenta: #c8347e;
    --violet: #6d4bd8;

    --maxw: 1180px;
    --radius: 18px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
}

/* ------------------------------------------------------------
   Stage lighting atmosphere (fixed background)
   ------------------------------------------------------------ */
.stage {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    background:
        radial-gradient(120% 80% at 50% -10%, #1a1526 0%, transparent 60%),
        radial-gradient(100% 60% at 50% 120%, #16101d 0%, transparent 55%),
        linear-gradient(180deg, var(--bg-2), var(--bg));
}

.beam {
    position: absolute;
    top: -30vh;
    left: 50%;
    width: 42vw;
    height: 150vh;
    transform-origin: top center;
    filter: blur(38px);
    opacity: 0.5;
    mix-blend-mode: screen;
    animation: sway 12s var(--ease) infinite alternate;
}

.beam--1 {
    background: linear-gradient(180deg, rgba(232, 53, 43, 0.55), transparent 70%);
    transform: translateX(-140%) rotate(18deg);
    animation-delay: -1s;
}
.beam--2 {
    background: linear-gradient(180deg, rgba(246, 198, 91, 0.4), transparent 70%);
    transform: translateX(-60%) rotate(8deg);
    animation-delay: -4s;
}
.beam--3 {
    background: linear-gradient(180deg, rgba(200, 52, 126, 0.45), transparent 70%);
    transform: translateX(30%) rotate(-8deg);
    animation-delay: -2.5s;
}
.beam--4 {
    background: linear-gradient(180deg, rgba(109, 75, 216, 0.45), transparent 70%);
    transform: translateX(110%) rotate(-18deg);
    animation-delay: -6s;
}

@keyframes sway {
    from {
        opacity: 0.35;
    }
    to {
        opacity: 0.6;
        filter: blur(30px);
    }
}

.beam--1 {
    animation-name: sway1;
}
.beam--3 {
    animation-name: sway3;
}
@keyframes sway1 {
    from {
        transform: translateX(-140%) rotate(14deg);
        opacity: 0.3;
    }
    to {
        transform: translateX(-140%) rotate(22deg);
        opacity: 0.6;
    }
}
@keyframes sway3 {
    from {
        transform: translateX(30%) rotate(-4deg);
        opacity: 0.35;
    }
    to {
        transform: translateX(30%) rotate(-12deg);
        opacity: 0.6;
    }
}

.haze {
    position: absolute;
    inset: 0;
    background: radial-gradient(80% 50% at 50% 0%, rgba(232, 53, 43, 0.12), transparent 60%);
    pointer-events: none;
}

/* Subtle film grain so it doesn't read as flat / templated */
.grain {
    position: absolute;
    inset: -50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    opacity: 0.045;
    animation: grain 6s steps(6) infinite;
    pointer-events: none;
}

@keyframes grain {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-4%, 3%); }
    50% { transform: translate(3%, -4%); }
    75% { transform: translate(-3%, -3%); }
    100% { transform: translate(4%, 3%); }
}

/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
.site-header {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 28px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 8dvh;
}

.brand__logo {
    height: 34px;
    width: auto;
}

/* Text wordmark (used when no logo file is supplied) */
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
    font-family: "Anton", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1;
}

.brand__mark {
    font-size: 1.5rem;
    color: var(--text);
}

.brand__live {
    font-size: 1.5rem;
    background: linear-gradient(100deg, var(--gold), var(--red) 70%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.site-header__year {
    margin: 0;
    font-family: "Oswald", sans-serif;
    font-weight: 600;
    letter-spacing: 0.35em;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-left: 0.35em;
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
    position: relative;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 7vh 24px 10vh;
    min-height: 92dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero__inner {
    max-width: 900px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 26px;
    font-family: "Oswald", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.78rem;
    color: var(--gold);
}

.eyebrow__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red);
    box-shadow: 0 0 0 4px rgba(232, 53, 43, 0.18);
    animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(232, 53, 43, 0.18); }
    50% { box-shadow: 0 0 0 8px rgba(232, 53, 43, 0.05); }
}

.hero__title {
    font-family: "Anton", "Oswald", sans-serif;
    font-weight: 400;
    text-transform: uppercase;
    line-height: 0.95;
    letter-spacing: 0.005em;
    margin: 0 0 28px;
    font-size: clamp(2.6rem, 8vw, 6.4rem);
}

.hero__title .line {
    display: block;
}

.line--accent {
    background: linear-gradient(100deg, var(--gold) 0%, var(--red) 45%, var(--magenta) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 6px 30px rgba(232, 53, 43, 0.28));
}

.hero__lede {
    max-width: 620px;
    font-size: clamp(1.02rem, 1.6vw, 1.22rem);
    color: var(--text-muted);
    margin: 0 0 38px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: "Oswald", sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.92rem;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
        background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--primary {
    background: linear-gradient(100deg, var(--red), var(--red-deep));
    color: #fff;
    box-shadow: 0 12px 34px -10px rgba(232, 53, 43, 0.7);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 44px -10px rgba(232, 53, 43, 0.85);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--border);
    color: var(--text);
}

.btn--ghost:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.06);
}

/* Scroll cue */
.scroll-cue {
    position: absolute;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 7px;
}

.scroll-cue span {
    width: 4px;
    height: 8px;
    border-radius: 2px;
    background: var(--gold);
    animation: scrolldot 1.8s var(--ease) infinite;
}

@keyframes scrolldot {
    0% { opacity: 0; transform: translateY(-4px); }
    40% { opacity: 1; }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ------------------------------------------------------------
   Marquee
   ------------------------------------------------------------ */
.marquee {
    border-block: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.015);
    overflow: hidden;
    padding: 16px 0;
    margin: 4vh 0;
}

.marquee__track {
    display: flex;
    align-items: center;
    gap: 28px;
    white-space: nowrap;
    width: max-content;
    animation: scrollx 28s linear infinite;
    font-family: "Anton", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: clamp(1.1rem, 2.4vw, 1.8rem);
    color: rgba(244, 241, 246, 0.75);
}

.marquee__star {
    color: var(--red);
}

@keyframes scrollx {
    to {
        transform: translateX(-50%);
    }
}

/* ------------------------------------------------------------
   Give / Blackbaud embed
   ------------------------------------------------------------ */
.give {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 6vh 24px 8vh;
}

.give__inner {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: center;
}

.section-title {
    font-family: "Anton", sans-serif;
    font-weight: 400;
    text-transform: uppercase;
    line-height: 1;
    letter-spacing: 0.01em;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    margin: 0 0 20px;
}

.give__copy p {
    color: var(--text-muted);
    max-width: 46ch;
    font-size: 1.05rem;
}

/* Embed placeholder */
.give__form {
    position: relative;
}

.embed-placeholder {
    position: relative;
    border: 1.5px dashed rgba(246, 198, 91, 0.4);
    border-radius: var(--radius);
    background:
        radial-gradient(120% 120% at 50% 0%, rgba(232, 53, 43, 0.08), transparent 60%),
        var(--surface);
    min-height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 28px;
    gap: 10px;
    box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.9);
}

.embed-placeholder__badge {
    font-family: "Oswald", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.72rem;
    color: var(--gold);
    border: 1px solid rgba(246, 198, 91, 0.4);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 6px;
}

.embed-placeholder__text {
    font-family: "Anton", sans-serif;
    text-transform: uppercase;
    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: 0.02em;
    margin: 0;
    color: var(--text);
}

.embed-placeholder__hint {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* ------------------------------------------------------------
   Sponsors
   ------------------------------------------------------------ */
.sponsors {
    border-top: 1px solid var(--border);
    padding: 6vh 24px;
}

.sponsors__inner {
    max-width: var(--maxw);
    margin: 0 auto;
    text-align: center;
}

.sponsors__label {
    font-family: "Oswald", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0 0 34px;
}

.sponsors__logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: clamp(28px, 5vw, 68px);
}

.sponsors__logo {
    height: clamp(38px, 5.5vw, 56px);
    width: auto;
    opacity: 0.82;
    transition: opacity 0.3s var(--ease);
}

.sponsors__logo:hover {
    opacity: 1;
}

/* The L&N mark is navy; sit it on a light plate so it reads on dark. */
.sponsors__logo--plate {
    background: #fff;
    border-radius: 10px;
    padding: 12px 18px;
    height: clamp(58px, 7vw, 78px);
    opacity: 0.95;
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.35);
}

.site-footer__inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-footer__logo {
    height: 28px;
    width: auto;
    opacity: 0.9;
}

.site-footer__brand .brand__mark,
.site-footer__brand .brand__live {
    font-size: 1.25rem;
}

.site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.site-footer__nav a {
    font-family: "Oswald", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.76rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.25s var(--ease);
}

.site-footer__nav a:hover {
    color: var(--text);
}

.site-footer__copy {
    margin: 0;
    width: 100%;
    text-align: center;
    color: rgba(167, 161, 180, 0.7);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

/* ------------------------------------------------------------
   Scroll reveal
   ------------------------------------------------------------ */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 820px) {
    .give__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero {
        min-height: 70vh;
        padding-top: 4vh;
    }

    .scroll-cue {
        display: none;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 22px 20px;
    }

    .btn {
        width: 100%;
    }
}

/* ------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}
