/* =========================================
   TIMELINE PAGE
========================================= */


/* =========================================
   TIMELINE HERO
========================================= */

.timeline-hero {
    padding: 110px 25px 80px;

    text-align: center;

    background:
        linear-gradient(
            rgba(27, 21, 16, 0.92),
            rgba(27, 21, 16, 0.98)
        );
}

.timeline-label {
    font-family: "Cinzel", serif;

    color: var(--antique-gold);

    font-size: 12px;

    letter-spacing: 5px;

    margin-bottom: 20px;
}

.timeline-hero h1 {
    font-family: "Cinzel", serif;

    font-size: clamp(45px, 7vw, 80px);

    line-height: 1;

    letter-spacing: 5px;

    color: var(--light-parchment);
}

.timeline-hero h1 span {
    display: block;

    color: var(--parchment);
}

.timeline-ornament {
    margin: 25px 0;

    color: var(--antique-gold);
}

.timeline-hero > p:last-child {
    max-width: 650px;

    margin: auto;

    color: var(--muted-text);

    line-height: 1.9;
}


/* =========================================
   ERA FILTERS
========================================= */

.era-navigation {
    width: 90%;

    max-width: 1100px;

    margin: 0 auto 80px;

    padding: 25px;

    display: flex;

    justify-content: center;

    flex-wrap: wrap;

    gap: 12px;

    border-top: 1px solid var(--border);

    border-bottom: 1px solid var(--border);
}

.era-button {
    padding: 12px 22px;

    background: transparent;

    border: 1px solid var(--antique-brown);

    color: var(--light-parchment);

    font-family: "Cinzel", serif;

    font-size: 11px;

    letter-spacing: 1px;

    cursor: pointer;

    transition: 0.3s ease;
}

.era-button:hover,
.era-button.active {
    background: var(--antique-gold);

    border-color: var(--antique-gold);

    color: var(--dark-bg);
}


/* =========================================
   TIMELINE CONTAINER
========================================= */

.history-timeline {
    width: 90%;

    max-width: 1200px;

    margin: 0 auto 120px;

    position: relative;

    padding: 30px 0;
}


/* =========================================
   CENTRAL LINE
========================================= */

.timeline-line {
    position: absolute;

    top: 0;
    bottom: 0;

    left: 50%;

    width: 2px;

    transform: translateX(-50%);

    background:
        linear-gradient(
            to bottom,
            transparent,
            var(--antique-brown) 5%,
            var(--antique-gold) 50%,
            var(--antique-brown) 95%,
            transparent
        );
}


/* =========================================
   TIMELINE ITEMS
========================================= */

.timeline-item {
    width: 50%;

    position: relative;

    margin-bottom: 80px;

    display: flex;
}


/* Left */

.timeline-item.left {
    justify-content: flex-end;

    padding-right: 60px;
}


/* Right */

.timeline-item.right {
    margin-left: 50%;

    padding-left: 60px;
}


/* =========================================
   TIMELINE DOT
========================================= */

.timeline-dot {
    width: 18px;

    height: 18px;

    position: absolute;

    top: 35px;

    border-radius: 50%;

    background: var(--antique-gold);

    border: 4px solid var(--dark-bg);

    box-shadow:
        0 0 0 1px var(--antique-gold);

    z-index: 2;
}

.timeline-item.left .timeline-dot {
    right: -9px;
}

.timeline-item.right .timeline-dot {
    left: -9px;
}


/* =========================================
   TIMELINE CARD
========================================= */

.timeline-card {
    width: 100%;

    max-width: 480px;

    padding: 32px;

    background:
        linear-gradient(
            145deg,
            var(--card-bg),
            #211910
        );

    border: 1px solid var(--border);

    position: relative;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}


/* Decorative corner */

.timeline-card::before {
    content: "";

    position: absolute;

    width: 25px;
    height: 25px;

    top: 8px;
    left: 8px;

    border-top: 1px solid var(--antique-gold);
    border-left: 1px solid var(--antique-gold);

    opacity: 0.6;
}


/* Hover */

.timeline-card:hover {
    transform: translateY(-5px);

    border-color: var(--antique-gold);

    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.35);
}


/* =========================================
   DATE
========================================= */

.timeline-date {
    display: inline-block;

    margin-bottom: 12px;

    color: var(--antique-gold);

    font-family: "Cinzel", serif;

    font-size: 12px;

    letter-spacing: 2px;
}


/* =========================================
   CARD TITLE
========================================= */

.timeline-card h2 {
    font-family: "Cinzel", serif;

    font-size: 22px;

    line-height: 1.4;

    color: var(--parchment);

    margin-bottom: 15px;
}


/* =========================================
   CARD DESCRIPTION
========================================= */

.timeline-card p {
    color: var(--muted-text);

    font-size: 14px;

    line-height: 1.8;
}


/* =========================================
   CATEGORY
========================================= */

.timeline-category {
    display: inline-block;

    margin-top: 20px;

    padding: 6px 10px;

    border: 1px solid var(--antique-brown);

    color: var(--muted-brown);

    font-family: "Cinzel", serif;

    font-size: 9px;

    letter-spacing: 1.5px;
}


/* =========================================
   HIDDEN FILTER ITEMS
========================================= */

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


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

@media (max-width: 850px) {

    .timeline-line {
        left: 25px;
    }

    .timeline-item,
    .timeline-item.right {
        width: 100%;

        margin-left: 0;

        padding-left: 70px;

        padding-right: 0;

        justify-content: flex-start;
    }

    .timeline-item.left .timeline-dot,
    .timeline-item.right .timeline-dot {
        left: 16px;

        right: auto;
    }

    .timeline-card {
        max-width: 650px;
    }
}


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

@media (max-width: 500px) {

    .timeline-hero {
        padding: 80px 20px 60px;
    }

    .timeline-hero h1 {
        font-size: 42px;

        letter-spacing: 3px;
    }

    .era-navigation {
        width: 94%;

        padding: 18px 10px;

        margin-bottom: 50px;
    }

    .era-button {
        padding: 10px 14px;

        font-size: 9px;
    }

    .history-timeline {
        width: 94%;
    }

    .timeline-item,
    .timeline-item.right {
        padding-left: 55px;
    }

    .timeline-line {
        left: 18px;
    }

    .timeline-item.left .timeline-dot,
    .timeline-item.right .timeline-dot {
        left: 9px;
    }

    .timeline-card {
        padding: 25px 20px;
    }

    .timeline-card h2 {
        font-size: 19px;
    }

    .timeline-card p {
        font-size: 13px;
    }
}

/* =========================================================
   EDUCATIONAL DISCLAIMER
   ========================================================= */

.disclaimer-section {
    padding: 90px 6%;

    background:
        linear-gradient(
            180deg,
            #0b0a08,
            #11100c
        );

    border-top: 1px solid #3d3020;
}


.disclaimer-card {
    max-width: 950px;

    margin: auto;

    padding: 45px 50px;

    background:
        linear-gradient(
            145deg,
            #19160f,
            #100f0b
        );

    border: 1px solid #51432b;

    text-align: center;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.28);
}


.disclaimer-label {
    font-family: "Cinzel", serif;

    font-size: 10px;

    letter-spacing: 4px;

    color: #a98248;
}


.disclaimer-card h2 {
    margin: 14px 0 22px;

    font-family: "Cinzel", serif;

    font-size: 27px;

    color: #ddc99a;
}


.disclaimer-card p {
    max-width: 800px;

    margin: 0 auto 18px;

    color: #958a76;

    font-size: 12px;

    line-height: 1.9;
}


.disclaimer-card .disclaimer-note {
    margin-top: 25px;

    padding-top: 20px;

    border-top: 1px solid #403522;

    color: #b49a68;

    font-size: 11px;
}


/* =========================================================
   DISCLAIMER RESPONSIVE
   ========================================================= */

@media (max-width: 700px) {

    .disclaimer-section {
        padding: 65px 5%;
    }

    .disclaimer-card {
        padding: 32px 22px;
    }

    .disclaimer-card h2 {
        font-size: 22px;
    }

    .disclaimer-card p {
        font-size: 11px;
    }
}