/* =========================================================
   EVENTSPHERE — EVENTS PAGE
   Modern / Professional / Responsive
========================================================= */

:root {
    --primary: #0b3037;
    --primary-light: #134e5e;
    --accent: #1f8a9e;
    --accent-light: #e8f6f7;
    --dark: #102a30;
    --text: #52666b;
    --muted: #829397;
    --white: #ffffff;
    --light: #f5f9fa;
    --border: #e3ecee;
    --shadow: 0 12px 35px rgba(11, 48, 55, 0.08);
    --shadow-hover: 0 22px 50px rgba(11, 48, 55, 0.15);
}


/* =========================================================
   GENERAL
========================================================= */

.section-padding {
    padding: 90px 0;
}

.inner-hero {
    position: relative;
    overflow: hidden;
    padding: 95px 0 105px;
    background: radial-gradient( circle at 85% 20%, rgba(71, 190, 202, .16), transparent 28% ), radial-gradient( circle at 10% 90%, rgba(255,255,255,.06), transparent 25% ), linear-gradient( 125deg, #071f25 0%, #0b3037 50%, #134e5e 100% );
}

    .inner-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient( rgba(255,255,255,.035) 1px, transparent 1px ), linear-gradient( 90deg, rgba(255,255,255,.035) 1px, transparent 1px );
        background-size: 55px 55px;
        mask-image: linear-gradient( to bottom, black, transparent );
    }

    .inner-hero::after {
        content: "";
        position: absolute;
        width: 330px;
        height: 330px;
        right: -130px;
        top: -170px;
        border: 1px solid rgba(255,255,255,.08);
        border-radius: 50%;
    }

    .inner-hero .container {
        position: relative;
        z-index: 2;
    }

    .inner-hero span {
        display: inline-block;
        margin-bottom: 13px;
        color: #83dce3;
        font-size: 11px;
        font-weight: 800;
        letter-spacing: 2.5px;
    }

    .inner-hero h1 {
        margin: 0 0 15px;
        color: #ffffff;
        font-size: clamp(38px, 5vw, 58px);
        line-height: 1.08;
        font-weight: 800;
        letter-spacing: -1.8px;
    }

    .inner-hero p {
        max-width: 620px;
        margin: 0;
        color: rgba(255,255,255,.70);
        font-size: 16px;
        line-height: 1.8;
    }


/* =========================================================
   FILTER AREA
========================================================= */

.event-filters {
    position: relative;
    margin-top: -45px;
    padding: 30px 32px;
    background: #ffffff;
    border: 1px solid rgba(11,48,55,.07);
    border-radius: 18px;
    box-shadow: 0 20px 55px rgba(11,48,55,.12);
    z-index: 10;
}

    .event-filters label {
        display: block;
        margin-bottom: 8px;
        color: var(--dark);
        font-size: 11px;
        font-weight: 800;
        letter-spacing: .5px;
    }

.filter-input {
    position: relative;
}

    .filter-input i {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--accent);
        font-size: 14px;
    }

    .filter-input input,
    .event-filters select,
    .event-filters input[type="date"] {
        width: 100%;
        height: 48px;
        padding: 0 14px;
        border: 1px solid var(--border);
        border-radius: 9px;
        outline: none;
        background: #f8fbfb;
        color: var(--dark);
        font-size: 13px;
        transition: .25s ease;
    }

    .filter-input input {
        padding-left: 42px;
    }

        .filter-input input::placeholder {
            color: #9aa9ac;
        }

.event-filters select {
    cursor: pointer;
}

    .event-filters input:focus,
    .event-filters select:focus {
        border-color: var(--accent);
        background: #ffffff;
        box-shadow: 0 0 0 3px rgba(31,138,158,.09);
    }

.filter-button {
    width: 100%;
    height: 48px;
    border: 0;
    border-radius: 9px;
    background: linear-gradient( 135deg, var(--primary), var(--primary-light) );
    color: #ffffff;
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
    transition: .3s ease;
    box-shadow: 0 7px 18px rgba(11,48,55,.15);
}

    .filter-button i {
        margin-right: 7px;
    }

    .filter-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 25px rgba(11,48,55,.22);
    }


/* =========================================================
   EVENTS GRID
========================================================= */

.section-padding > .container > .row.mt-4 {
    margin-top: 45px !important;
}


/* =========================================================
   EVENT CARD
========================================================= */

.event-card {
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 17px;
    box-shadow: 0 8px 28px rgba(11,48,55,.055);
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

    .event-card:hover {
        transform: translateY(-8px);
        border-color: rgba(31,138,158,.28);
        box-shadow: var(--shadow-hover);
    }


/* =========================================================
   EVENT IMAGE
========================================================= */

.event-card-image {
    position: relative;
    height: 235px;
    overflow: hidden;
    background: radial-gradient( circle, rgba(255,255,255,.12), transparent 45% ), linear-gradient( 135deg, var(--primary), var(--primary-light) );
}

    .event-card-image img {
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
        transition: transform .55s ease;
    }

.event-card:hover .event-card-image img {
    transform: scale(1.07);
}


/* =========================================================
   IMAGE PLACEHOLDER
========================================================= */

.event-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.72);
    font-size: 48px;
}


/* =========================================================
   STATUS BADGE
========================================================= */

.event-status {
    position: absolute;
    top: 15px;
    left: 15px;
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 7px;
    background: rgba(255,255,255,.94);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .5px;
    text-transform: uppercase;
    box-shadow: 0 6px 18px rgba(0,0,0,.13);
    backdrop-filter: blur(6px);
}

    .event-status.upcoming {
        color: #237d58;
    }

    .event-status.ongoing {
        color: #b27812;
    }

    .event-status.past {
        color: #777f83;
    }


/* =========================================================
   EVENT BODY
========================================================= */

.event-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
}

.event-category {
    display: inline-block;
    margin-bottom: 8px;
    color: var(--accent);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.event-card-body h3 {
    min-height: 54px;
    margin: 0 0 18px;
    color: var(--dark);
    font-size: 20px;
    line-height: 1.35;
    font-weight: 750;
    letter-spacing: -.3px;
}


/* =========================================================
   EVENT INFO
========================================================= */

.event-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 23px;
}

    .event-info span {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--text);
        font-size: 12px;
        line-height: 1.4;
    }

    .event-info i {
        width: 16px;
        flex-shrink: 0;
        color: var(--accent);
        font-size: 13px;
    }


/* =========================================================
   CARD ACTIONS
========================================================= */

.event-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: auto;
    padding-top: 17px;
    border-top: 1px solid var(--border);
}


/* =========================================================
   VIEW DETAILS BUTTON
========================================================= */

.event-btn,
.register-btn {
    min-height: 43px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 800;
    text-decoration: none;
    text-align: center;
    transition: .3s ease;
}

.event-btn {
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
}

    .event-btn:hover {
        background: var(--primary);
        color: #ffffff;
        transform: translateY(-2px);
    }

    .event-btn i {
        transition: .3s ease;
    }

    .event-btn:hover i {
        transform: translateX(3px);
    }


/* =========================================================
   REGISTER BUTTON
========================================================= */

.register-btn {
    border: 1px solid transparent;
    background: linear-gradient( 135deg, var(--primary), var(--primary-light) );
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(11,48,55,.13);
}

    .register-btn:hover {
        color: #ffffff;
        transform: translateY(-2px);
        box-shadow: 0 10px 22px rgba(11,48,55,.20);
    }

    .register-btn.disabled {
        cursor: not-allowed;
        background: #eef2f3;
        color: #89979a;
        box-shadow: none;
    }

        .register-btn.disabled:hover {
            transform: none;
        }


/* =========================================================
   EMPTY STATE
========================================================= */

.empty-state {
    width: 100%;
    margin-top: 25px;
    padding: 75px 25px;
    border: 1px dashed #d7e3e5;
    border-radius: 18px;
    background: var(--light);
}

    .empty-state > i {
        width: 72px;
        height: 72px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        border-radius: 50%;
        background: var(--accent-light);
        color: var(--accent);
        font-size: 28px;
    }

    .empty-state h3 {
        margin-bottom: 8px;
        color: var(--dark);
        font-size: 23px;
        font-weight: 750;
    }

    .empty-state p {
        margin: 0;
        color: var(--text);
        font-size: 13px;
    }


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 991px) {

    .section-padding {
        padding: 75px 0;
    }

    .inner-hero {
        padding: 80px 0 90px;
    }

    .event-filters {
        padding: 25px;
        margin-top: -40px;
    }

    .event-card-image {
        height: 220px;
    }

    .event-card-body {
        padding: 22px;
    }
}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 767px) {

    .section-padding {
        padding: 60px 0;
    }

    .inner-hero {
        padding: 65px 0 75px;
    }

        .inner-hero h1 {
            font-size: 40px;
            letter-spacing: -1.3px;
        }

        .inner-hero p {
            font-size: 14px;
            line-height: 1.7;
        }

    .event-filters {
        margin-top: -30px;
        padding: 21px;
        border-radius: 15px;
    }

    .event-card-image {
        height: 230px;
    }

    .event-card-body h3 {
        min-height: auto;
    }
}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 575px) {

    .section-padding {
        padding: 50px 0;
    }

    .inner-hero {
        padding: 55px 0 65px;
    }

        .inner-hero span {
            font-size: 10px;
            letter-spacing: 2px;
        }

        .inner-hero h1 {
            font-size: 34px;
        }

        .inner-hero p {
            font-size: 13px;
        }

    .event-filters {
        padding: 18px;
        margin-top: -25px;
    }

    .event-card {
        border-radius: 15px;
    }

    .event-card-image {
        height: 215px;
    }

    .event-card-body {
        padding: 20px;
    }

        .event-card-body h3 {
            font-size: 18px;
            margin-bottom: 16px;
        }

    .event-card-actions {
        grid-template-columns: 1fr;
    }

    .event-btn,
    .register-btn {
        width: 100%;
    }

    .empty-state {
        padding: 55px 18px;
    }

        .empty-state h3 {
            font-size: 20px;
        }
}