/* ==============================
   JSUOG 2027 Sponsorship Page
   Soft Poster-Matched Version
============================== */

:root {
    --color-primary: #1F3468;
    --color-primary-soft: #4F70B8;
    --color-secondary: #BFD5F6;
    --color-secondary-light: #EAF2FF;
    --color-bg: #F8FAFD;
    --color-bg-warm: #F7F4EC;
    --color-accent: #C9B97A;

    --color-text: #33415C;
    --color-text-light: #667085;
    --color-white: #FFFFFF;

    --border-soft: rgba(191, 213, 246, 0.75);
    --shadow-soft: 0 8px 24px rgba(31, 52, 104, 0.08);
    --shadow-hover: 0 12px 30px rgba(31, 52, 104, 0.13);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
}

/* ==============================
   Sponsorship Page Base
============================== */

.sponsorship-page,
.reg-page {
    flex: 1;
}

/* ==============================
   Intro Text
============================== */

.section-text {
    max-width: 1100px;
    margin: 0 auto 40px;
    padding: 24px 28px;

    font-size: 1.12rem;
    font-weight: 600;
    line-height: 2;

    text-align: center;
    color: var(--color-primary);

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.9),
            rgba(234,242,255,0.7)
        );

    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);

    box-shadow: var(--shadow-soft);
}

/* ==============================
   Section Title
============================== */

.section-title {
    position: relative;

    margin: 34px 0 26px;

    font-size: 1.55rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--color-primary);
    text-align: center;
}

.section-title::after {
    content: "";
    display: block;

    width: 90px;
    height: 3px;
    margin: 12px auto 0;

    background: linear-gradient(90deg,
            var(--color-primary-soft),
            var(--color-secondary),
            var(--color-accent));

    border-radius: 999px;
}

/* ==============================
   Sponsorship CTA Card
============================== */

.sponsorship-cta-card {
    max-width: 1100px;
    margin: 0 auto 40px;
    padding: 34px 30px;

    background:
        linear-gradient(135deg,
            rgba(255, 255, 255, 0.96),
            rgba(248, 250, 253, 0.96));

    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);

    box-shadow: var(--shadow-soft);

    text-align: center;
}

.sponsorship-cta-text {
    margin-bottom: 24px;

    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* ==============================
   Button Area
============================== */

.sponsorship-button-area {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;

    margin-top: 24px;
}

.center-button {
    display: flex;
    justify-content: center;
    margin-top: 1.2em;
}

/* ==============================
   Sponsorship Buttons
============================== */

.sponsorship-btn,
.center-button .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 230px;
    padding: 0.9em 1.6em;

    font-size: 1rem;
    font-weight: 700;
    line-height: 1.5;

    color: var(--color-white);
    background: linear-gradient(135deg,
            var(--color-primary),
            var(--color-primary-soft));

    border: 1px solid var(--color-primary-soft);
    border-radius: 999px;

    text-decoration: none;

    box-shadow: var(--shadow-soft);

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        background 0.25s ease;
}

.sponsorship-btn:hover,
.center-button .btn-primary:hover {
    color: var(--color-white);

    background: linear-gradient(135deg,
            var(--color-primary-soft),
            var(--color-primary));

    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Secondary Button */

.sponsorship-btn.is-outline {
    color: var(--color-primary);
    background: var(--color-white);
    border: 1px solid var(--border-soft);
}

.sponsorship-btn.is-outline:hover {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ==============================
   Optional Note
============================== */

.sponsorship-note {
    max-width: 760px;
    margin: 24px auto 0;

    font-size: 0.92rem;
    line-height: 1.8;
    color: var(--color-text-light);
    text-align: center;
}

/* ==============================
   Responsive
============================== */

@media (max-width: 768px) {
    .section-text {
        font-size: 0.98rem;
        line-height: 1.85;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .sponsorship-cta-card {
        padding: 28px 22px;
    }

    .sponsorship-button-area {
        flex-direction: column;
        align-items: center;
    }

    .sponsorship-btn,
    .center-button .btn-primary {
        width: 100%;
        max-width: 320px;
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .sponsorship-cta-card {
        padding: 24px 18px;
    }

    .section-title {
        font-size: 1.2rem;
    }
}

/* ==============================
   Accessibility
============================== */

@media (prefers-reduced-motion: reduce) {

    .sponsorship-btn,
    .center-button .btn-primary {
        transition: none;
    }
}