/* ===========================
   opensource.bar — Art-Deco Timeline Taproom
   Colors: #FEFCF6, #1A2828, #3A4848, #408090, #F4F0E8, #C0A050
   Fonts: Libre Baskerville, Josefin Sans
   =========================== */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Libre Baskerville', Georgia, serif;
    background: #F4F0E8;
    color: #3A4848;
    font-size: clamp(0.9rem, 1.1vw, 1.05rem);
    line-height: 1.85;
    overflow-x: hidden;
}

/* ===========================
   Hero Section
   =========================== */

#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #F4F0E8;
    overflow: hidden;
}

#hero-ornament {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    transform: translate(-50%, -50%);
    opacity: 0;
    pointer-events: none;
}

#hero-title {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-weight: 700;
    font-size: clamp(2.4rem, 6vw, 5rem);
    color: #1A2828;
    letter-spacing: 0.06em;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: heroTitleIn 1s ease-out 0.3s forwards;
}

#hero-title .amber {
    color: #C0A050;
}

#hero-subtitle {
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 600;
    font-size: clamp(0.85rem, 1.4vw, 1.1rem);
    color: #408090;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(15px);
    animation: heroTitleIn 0.8s ease-out 0.8s forwards;
}

#hero-scroll-hint {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: heroTitleIn 0.6s ease-out 1.5s forwards;
}

#hero-scroll-hint span {
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    color: #C0A050;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

#hero-scroll-hint svg {
    animation: bounceDown 1.5s ease-in-out infinite;
}

@keyframes heroTitleIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ===========================
   Art-Deco Border Decorations
   =========================== */

#hero::before {
    content: '';
    position: absolute;
    top: 2rem;
    left: 2rem;
    right: 2rem;
    bottom: 2rem;
    border: 2px solid #C0A050;
    opacity: 0.2;
    pointer-events: none;
}

#hero::after {
    content: '';
    position: absolute;
    top: 2.8rem;
    left: 2.8rem;
    right: 2.8rem;
    bottom: 2.8rem;
    border: 1px solid #408090;
    opacity: 0.15;
    pointer-events: none;
}

/* ===========================
   Timeline Section
   =========================== */

#timeline {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
}

/* Central axis line */
#timeline-axis {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #408090;
    transform: translateX(-50%);
    opacity: 0.35;
}

/* Animated progress fill over the axis */
#timeline-axis-progress {
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 0;
    background: #408090;
    transform: translateX(-50%);
    transition: height 0.1s linear;
}

/* ===========================
   Timeline Entry
   =========================== */

.timeline-entry {
    position: relative;
    width: 50%;
    padding: 2rem 0;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.timeline-entry.left {
    padding-right: 3.5rem;
    text-align: right;
    transform: translateX(-30px);
}

.timeline-entry.right {
    margin-left: 50%;
    padding-left: 3.5rem;
    text-align: left;
    transform: translateX(30px);
}

.timeline-entry.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===========================
   Timeline Node (Organic Blob)
   =========================== */

.timeline-node {
    position: absolute;
    top: 50%;
    width: 18px;
    height: 18px;
    background: #408090;
    border-radius: 40% 60% 50% 50%;
    transform: translateY(-50%);
    z-index: 2;
    animation: morphBlob 4s ease-in-out infinite alternate;
}

.timeline-entry.left .timeline-node {
    right: -9px;
}

.timeline-entry.right .timeline-node {
    left: -9px;
}

@keyframes morphBlob {
    0% { border-radius: 40% 60% 50% 50%; }
    25% { border-radius: 50% 40% 60% 50%; }
    50% { border-radius: 60% 50% 40% 60%; }
    75% { border-radius: 50% 60% 50% 40%; }
    100% { border-radius: 40% 50% 60% 50%; }
}

/* ===========================
   Timeline Branch (Horizontal Connector)
   =========================== */

.timeline-branch {
    position: absolute;
    top: 50%;
    width: 40px;
    height: 2px;
    background: #408090;
    transform: translateY(-50%);
}

.timeline-entry.left .timeline-branch {
    right: 0;
}

.timeline-entry.right .timeline-branch {
    left: 0;
}

/* ===========================
   Entry Card
   =========================== */

.entry-card {
    background: #FEFCF6;
    padding: 2rem 2.2rem;
    border-radius: 4px;
    border: 1px solid rgba(192, 160, 80, 0.2);
    box-shadow: 0 2px 12px rgba(26, 40, 40, 0.06);
    position: relative;
}

.entry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #408090, #C0A050);
    border-radius: 4px 4px 0 0;
}

.entry-date {
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: #C0A050;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.entry-title {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-weight: 700;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: #1A2828;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.entry-body {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.1vw, 1.05rem);
    color: #3A4848;
    line-height: 1.85;
}

/* ===========================
   Deco Ornament SVGs
   =========================== */

.entry-ornament-wrap {
    position: absolute;
    top: 50%;
    width: 80px;
    height: 80px;
    transform: translateY(-50%);
    opacity: 0.15;
    pointer-events: none;
    z-index: 1;
}

.timeline-entry.left .entry-ornament-wrap {
    right: -40px;
}

.timeline-entry.right .entry-ornament-wrap {
    left: -40px;
}

.deco-ornament {
    width: 100%;
    height: 100%;
}

/* ===========================
   Footer
   =========================== */

#footer {
    position: relative;
    text-align: center;
    padding: 5rem 2rem;
    background: #1A2828;
    overflow: hidden;
}

.footer-ornament-wrap {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    opacity: 0.25;
}

.footer-ornament {
    width: 100%;
    height: 100%;
}

.footer-text {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: #F4F0E8;
    letter-spacing: 0.06em;
}

.footer-text .amber {
    color: #C0A050;
}

.footer-tagline {
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    color: #408090;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 0.75rem;
}

#footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 80px;
    background: #408090;
    transform: translateX(-50%);
    opacity: 0.4;
}

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

@media (max-width: 768px) {
    #timeline {
        padding: 3rem 1rem 4rem;
    }

    #timeline-axis,
    #timeline-axis-progress {
        left: 24px;
    }

    .timeline-entry {
        width: 100%;
        padding-left: 52px;
        padding-right: 0;
        text-align: left;
    }

    .timeline-entry.left {
        padding-right: 0;
        padding-left: 52px;
        text-align: left;
        transform: translateX(-20px);
    }

    .timeline-entry.right {
        margin-left: 0;
        padding-left: 52px;
        text-align: left;
        transform: translateX(-20px);
    }

    .timeline-node {
        left: 15px !important;
        right: auto !important;
    }

    .timeline-branch {
        left: 24px !important;
        right: auto !important;
        width: 28px;
    }

    .entry-ornament-wrap {
        left: -16px !important;
        right: auto !important;
        width: 60px;
        height: 60px;
    }

    .entry-card {
        padding: 1.5rem 1.4rem;
    }

    .entry-title {
        font-size: clamp(1.3rem, 4vw, 1.8rem);
    }

    #hero::before {
        top: 1rem;
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    #hero::after {
        top: 1.5rem;
        left: 1.5rem;
        right: 1.5rem;
        bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    #hero-title {
        font-size: clamp(1.8rem, 8vw, 3rem);
    }

    .entry-card {
        padding: 1.2rem 1rem;
    }
}