/* ================================================
   hero2026.css — e4ds Tech Day 2026 Hero Standalone (1)
   ================================================ */

/* ---------- CSS Variables ---------- */
.hero2026 {
    --h-bg-0: #030816;
    --h-bg-1: #060f26;
    --h-bg-2: #0a1a3d;
    --h-ink: #eaf2ff;
    --h-ink-dim: #a9b8d6;
    --h-ink-mute: #6b7ea3;
    --h-accent: #00cfff;
    --h-accent-2: #0066ff;
    --h-neon: #00cfff;
    --h-neon-2: #4d9fff;
    --h-magenta: #00cfff;
    --h-grid: rgba(77, 240, 255, 0.08);
    --h-card-stroke: rgba(77, 240, 255, 0.35);
}

/* ---------- Section ---------- */
.hero2026 {
    position: relative;
    width: 100%;
    min-height: 560px;
    height: clamp(560px, 78vh, 750px);
    max-height: 750px;
    overflow: hidden;
    background:
        radial-gradient(1200px 700px at 18% 30%, #0d2357 0%, rgba(13, 35, 87, 0) 55%),
        radial-gradient(900px 600px at 92% 80%, #1a0d4a 0%, rgba(26, 13, 74, 0) 55%),
        linear-gradient(180deg, #040a1c 0%, #060f26 50%, #030816 100%);
    color: var(--h-ink);
    isolation: isolate;
    font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Space Grotesk', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* grid + circuit overlays */
.hero2026::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--h-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--h-grid) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 50% 60%, #000 0%, #000 45%, transparent 85%);
    opacity: 0.7;
    z-index: 0;
    pointer-events: none;
}
.hero2026::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(2px 2px at 12% 72%, #4df0ff 50%, transparent 51%),
        radial-gradient(2px 2px at 84% 18%, #ff5bd1 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 46% 12%, #7aa2ff 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 68% 88%, #ff5bd1 50%, transparent 51%);
    opacity: 0.8;
    z-index: 0;
    pointer-events: none;
}

/* ---------- Ring decoration ---------- */
.hero2026-ring {
    position: absolute;
    right: -160px;
    top: 50%;
    width: 640px;
    height: 640px;
    transform: translateY(-50%);
    border-radius: 50%;
    border: 1px solid rgba(77, 240, 255, 0.12);
    pointer-events: none;
    z-index: 1;
}
.hero2026-ring::before,
.hero2026-ring::after {
    content: "";
    position: absolute;
    inset: 40px;
    border-radius: 50%;
    border: 1px dashed rgba(77, 240, 255, 0.1);
}
.hero2026-ring::after {
    inset: 100px;
    border-style: solid;
    border-color: rgba(255, 91, 209, 0.08);
}
.hero2026-orbit-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--h-neon);
    box-shadow: 0 0 16px var(--h-neon);
    top: 8%;
    left: 60%;
}

/* ---------- Grid layout ---------- */
.hero2026-wrap {
    position: relative;
    z-index: 3;
    max-width: 1440px;
    margin: 0 auto;
    padding: clamp(72px, 9vw, 110px) clamp(24px, 3.5vw, 52px) clamp(32px, 4vw, 56px);
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: clamp(24px, 4vw, 34px);
    align-items: center;
    min-height: clamp(560px, 78vh, 750px);
}

/* ---------- LEFT: Text content ---------- */
.hero2026-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--h-neon);
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(77, 240, 255, 0.06);
    border: 1px solid rgba(77, 240, 255, 0.25);
    margin-bottom: 22px;
}
.hero2026-eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--h-neon);
    box-shadow: 0 0 10px var(--h-neon);
    flex-shrink: 0;
    animation: h2026pulse 1.6s ease-in-out infinite;
}
@keyframes h2026pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.hero2026-title {
    font-family: 'Pretendard Variable', 'Pretendard', sans-serif;
    font-weight: 700;
    font-size: clamp(40px, 6.2vw, 78px);
    line-height: 1.1;
    letter-spacing: -0.035em;
    margin: 0 0 18px;
    text-transform: none !important;
    white-space: nowrap;
    overflow: visible;
}
.hero2026-title .year {
    color: var(--h-ink);
}
.hero2026-title .e4ds {
    color: var(--h-ink);
}
.hero2026-title .td {
    display: inline-block;
    background: linear-gradient(135deg, #00ffcc 0%, #00aaff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 4px 28px rgba(0, 255, 200, 0.6));
    position: relative;
}

.hero2026-accent-line {
    display: block;
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, var(--h-neon) 0%, rgba(77, 240, 255, 0) 100%);
    margin: 4px 0 22px;
    position: relative;
}
.hero2026-accent-line::before {
    content: "";
    position: absolute;
    left: 0;
    top: -2px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--h-neon);
    box-shadow: 0 0 10px var(--h-neon);
}

.hero2026-subtitle {
    font-size: clamp(22px, 2.4vw, 32px);
    font-weight: 500;
    line-height: 1.35;
    color: var(--h-ink);
    margin: 0 0 14px;
    letter-spacing: -0.01em;
}
.hero2026-subtitle .sep {
    color: var(--h-neon);
    margin: 0 6px;
}

.hero2026-lede {
    color: var(--h-ink-dim);
    font-size: 18px;
    line-height: 1.65;
    margin: 0 0 28px;
    max-width: none;
}

.hero2026-cta-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.hero2026-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 20px;
    text-decoration: none !important;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.hero2026-btn-primary {
    background: linear-gradient(135deg, #00ffcc 0%, #00aaff 100%);
    color: #001050 !important;
    box-shadow: 0 14px 40px -14px rgba(0, 255, 200, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}
.hero2026-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 50px -14px rgba(0, 255, 200, 0.75);
    color: #001050 !important;
}
.hero2026-btn-ghost {
    color: var(--h-ink) !important;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.14);
}
.hero2026-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* hashtag chips */
.hero2026-tags {
    margin-top: 26px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.hero2026-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--h-ink-dim);
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(122, 162, 255, 0.06);
    border: 1px solid rgba(122, 162, 255, 0.18);
}
.hero2026-tag b {
    color: var(--h-neon);
    font-weight: 600;
}

/* ---------- RIGHT: HUD card ---------- */
.hero2026-hud {
    position: relative;
    border-radius: 20px;
    padding: 2px;
    background:
        linear-gradient(140deg,
            rgba(77, 240, 255, 0.55) 0%,
            rgba(77, 240, 255, 0.05) 30%,
            rgba(255, 91, 209, 0.05) 70%,
            rgba(255, 91, 209, 0.45) 100%);
    box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.6);
}
.hero2026-hud-inner {
    position: relative;
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(10, 26, 61, 0.92) 0%, rgba(6, 15, 38, 0.92) 100%);
    backdrop-filter: blur(14px);
    padding: 22px 22px 18px;
    overflow: hidden;
}
.hero2026-hud-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(77, 240, 255, 0.08) 1px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.6;
    pointer-events: none;
}

/* corner brackets */
.hero2026-hud-inner .hud-corner {
    position: absolute;
    width: 14px;
    height: 14px;
    border-color: var(--h-neon);
    border-style: solid;
    border-width: 0;
}
.hero2026-hud-inner .hud-corner.tl { top: 8px; left: 8px; border-top-width: 2px; border-left-width: 2px; border-top-left-radius: 6px; }
.hero2026-hud-inner .hud-corner.tr { top: 8px; right: 8px; border-top-width: 2px; border-right-width: 2px; border-top-right-radius: 6px; }
.hero2026-hud-inner .hud-corner.bl { bottom: 8px; left: 8px; border-bottom-width: 2px; border-left-width: 2px; border-bottom-left-radius: 6px; }
.hero2026-hud-inner .hud-corner.br { bottom: 8px; right: 8px; border-bottom-width: 2px; border-right-width: 2px; border-bottom-right-radius: 6px; }

/* HUD header */
.hero2026-hud-head {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--h-neon);
    margin-bottom: 14px;
}
.hero2026-hud-head .live {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--h-magenta);
}
.hero2026-hud-head .blip {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--h-magenta);
    box-shadow: 0 0 10px var(--h-magenta);
    animation: h2026pulse 1.2s ease-in-out infinite;
}

/* countdown grid */
.hero2026-countdown {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 18px;
}
.hero2026-countdown .cd-cell {
    text-align: center;
    background: rgba(4, 12, 32, 0.6);
    border: 1px solid rgba(77, 240, 255, 0.18);
    border-radius: 10px;
    padding: 14px 6px 10px;
}
.hero2026-countdown .cd-num {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(26px, 3.2vw, 38px);
    line-height: 1;
    color: var(--h-ink);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 24px rgba(77, 240, 255, 0.25);
}
.hero2026-countdown .cd-label {
    display: block;
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--h-ink-mute);
}

/* HUD info rows */
.hero2026-hud-rows {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 12px;
}
.hero2026-hud-row {
    display: grid;
    grid-template-columns: 64px 1fr;
    align-items: center;
    gap: 14px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(122, 162, 255, 0.04);
    border: 1px solid rgba(122, 162, 255, 0.1);
}
.hero2026-hud-row .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--h-neon);
}
.hero2026-hud-row .value {
    color: var(--h-ink);
    font-size: 14px;
    line-height: 1.4;
    font-weight: 500;
}
.hero2026-hud-row .value small {
    display: block;
    color: var(--h-ink-mute);
    font-size: 12px;
    font-weight: 400;
    margin-top: 2px;
}
/* date row emphasis */
.hero2026-hud-row--date {
    align-items: start !important;
    padding: 14px !important;
    background: linear-gradient(135deg, rgba(77, 240, 255, 0.1) 0%, rgba(122, 162, 255, 0.05) 100%) !important;
    border: 1px solid rgba(77, 240, 255, 0.35) !important;
    box-shadow: inset 0 0 0 1px rgba(77, 240, 255, 0.06), 0 0 28px -8px rgba(77, 240, 255, 0.2);
}
.hero2026-hud-row--date .label {
    padding-top: 6px;
}
.hero2026-date-big {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(22px, 2.2vw, 28px);
    line-height: 1;
    letter-spacing: 0.02em;
    color: var(--h-ink);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 24px rgba(77, 240, 255, 0.35);
}
.hero2026-date-big .sep {
    color: var(--h-neon);
    margin: 0 0.08em;
}
.hero2026-date-sub {
    display: block;
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--h-ink-dim);
    text-transform: uppercase;
}

/* HUD footer */
.hero2026-hud-foot {
    position: relative;
    z-index: 2;
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--h-ink-mute);
    padding-top: 12px;
    border-top: 1px dashed rgba(77, 240, 255, 0.2);
}

/* wave bottom fade */
.hero2026-wave {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 0%, rgba(3, 8, 22, 0.6) 100%);
}

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

@media (max-width: 1024px) {
    .hero2026-wrap {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-top: 8px;
    }
    .hero2026-ring {
        display: none;
    }
    .hero2026 {
        height: auto;
        max-height: none;
        min-height: 640px;
    }
}

@media (max-width: 640px) {
    .hero2026-wrap {
        padding: 12px 18px 36px;
    }
    .hero2026-title {
        font-size: clamp(22px, 7vw, 36px);
    }
    .hero2026-countdown {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
    }
    .hero2026-countdown .cd-num {
        font-size: 22px;
    }
    .hero2026-countdown .cd-cell {
        padding: 10px 4px 8px;
    }
    .hero2026-hud-inner {
        padding: 18px 16px 14px;
    }
    .hero2026-hud-foot {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
}