/* =========================================================================
   RP ALPHABET
   ========================================================================= */

.rp-alpha-section {
    padding: 100px 0;
    background:
        radial-gradient(circle at 12% 15%, rgba(255,43,214,.10), transparent 35%),
        radial-gradient(circle at 88% 85%, rgba(0,212,255,.12), transparent 35%),
        linear-gradient(180deg, #050507, #0a0910);
}

.rp-alpha-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 46px;
}

.rp-alpha-head span {
    font-family: "Share Tech Mono", monospace;
    color: #ff2bd6;
    font-size: 12px;
    letter-spacing: 2px;
}

.rp-alpha-head h2 {
    margin-top: 10px;
    font-family: "Oswald", sans-serif;
    font-size: clamp(38px, 4.6vw, 62px);
    text-transform: uppercase;
    line-height: 1.05;
}

.rp-alpha-head h2 b {
    color: #00d4ff;
    text-shadow:
        0 0 24px rgba(0,212,255,.75),
        0 0 50px rgba(122,60,255,.35);
}

.rp-alpha-head p {
    margin-top: 14px;
    color: rgba(255,255,255,.65);
    line-height: 1.6;
}

/* ---- Buchstaben-Grid ---- */

.rp-alpha-grid {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 12px;
    max-width: 900px;
    margin: 0 auto 40px;
}

.rp-alpha-btn {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(255,255,255,.03);
    color: rgba(255,255,255,.3);
    cursor: pointer;

    font-family: "Oswald", sans-serif;
    font-size: clamp(16px, 2vw, 22px);
    font-weight: 500;

    display: grid;
    place-items: center;

    transition: all .22s ease;
}

.rp-alpha-btn.has-entries {
    color: #fff;
    background: rgba(255,255,255,.05);
    border-color: rgba(255,255,255,.16);
}

.rp-alpha-btn.has-entries::after {
    content: "";
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00d4ff, #ff2bd6);
}

.rp-alpha-btn.has-entries:hover {
    transform: translateY(-4px);
    border-color: rgba(0,212,255,.55);
    box-shadow:
        0 0 22px rgba(0,212,255,.22),
        0 0 18px rgba(255,43,214,.15);
}

.rp-alpha-btn:disabled {
    cursor: not-allowed;
    opacity: .35;
}

.rp-alpha-btn.active {
    color: #050507;
    background: linear-gradient(135deg, #00d4ff, #ff2bd6);
    border-color: transparent;
    box-shadow:
        0 0 30px rgba(0,212,255,.35),
        0 0 30px rgba(255,43,214,.3);
}

.rp-alpha-btn.active::after {
    background: #050507;
}

/* ---- Antwort-Panel ---- */

.rp-alpha-panel {
    max-width: 900px;
    margin: 0 auto;
    min-height: 180px;
    border-radius: 24px;

    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.1);
    padding: 8px;
}

.rp-alpha-panel-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 50px 24px;
    text-align: center;
}

.rp-alpha-panel-letter-ghost {
    font-family: "Oswald", sans-serif;
    font-size: 54px;
    font-weight: 700;
    color: rgba(255,255,255,.08);
    line-height: 1;
}

.rp-alpha-panel-empty p {
    color: rgba(255,255,255,.45);
    font-family: "Barlow", sans-serif;
    max-width: 380px;
}

.rp-alpha-panel.filled .rp-alpha-panel-empty {
    display: none;
}

.rp-alpha-panel-content {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 22px 26px 26px;
}

.rp-alpha-panel.filled .rp-alpha-panel-content {
    display: flex;
}

.rp-alpha-panel-letter {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.rp-alpha-panel-letter strong {
    font-family: "Oswald", sans-serif;
    font-size: 42px;
    font-weight: 700;
    background: linear-gradient(135deg, #00d4ff, #ff2bd6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

.rp-alpha-panel-letter span {
    font-family: "Share Tech Mono", monospace;
    font-size: 11px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: rgba(255,255,255,.45);
}

.rp-term {
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,.07);
    opacity: 0;
    transform: translateY(10px);
    animation: rpTermIn .4s ease forwards;
    animation-delay: var(--delay, 0ms);
}

.rp-term:first-of-type {
    border-top: none;
}

.rp-term-title {
    font-family: "Oswald", sans-serif;
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.rp-term-title .rp-term-long {
    font-family: "Share Tech Mono", monospace;
    font-size: 11px;
    color: #00d4ff;
    letter-spacing: .4px;
    text-transform: none;
}

.rp-term-def {
    margin-top: 6px;
    color: rgba(255,255,255,.68);
    font-family: "Barlow", sans-serif;
    font-size: 14.5px;
    line-height: 1.65;
}

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

/* =========================================================================
   RP GUIDE (No-Gos & Do's)
   ========================================================================= */

.rp-guide-section {
    padding: 100px 0 120px;
    background: linear-gradient(180deg, #0a0910, #050507);
}

.rp-guide-head {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 50px;
}

.rp-guide-head span {
    font-family: "Share Tech Mono", monospace;
    color: #00d4ff;
    font-size: 12px;
    letter-spacing: 2px;
}

.rp-guide-head h2 {
    margin-top: 10px;
    font-family: "Oswald", sans-serif;
    font-size: clamp(38px, 4.6vw, 62px);
    text-transform: uppercase;
    line-height: 1.05;
}

.rp-guide-head h2 b {
    color: #ff2bd6;
    text-shadow:
        0 0 24px rgba(255,43,214,.75),
        0 0 50px rgba(122,60,255,.35);
}

.rp-guide-head p {
    margin-top: 14px;
    color: rgba(255,255,255,.65);
    line-height: 1.6;
}

.rp-guide-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px;
    align-items: start;
}

.rp-guide-col {
    border-radius: 26px;
    padding: 28px;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.09);
}

.rp-guide-col-nogo {
    border-color: rgba(255,43,214,.25);
    background:
        radial-gradient(circle at 90% 0%, rgba(255,43,214,.08), transparent 45%),
        rgba(255,255,255,.03);
}

.rp-guide-col-dos {
    border-color: rgba(0,212,255,.25);
    background:
        radial-gradient(circle at 90% 0%, rgba(0,212,255,.08), transparent 45%),
        rgba(255,255,255,.03);
}

.rp-guide-col-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 22px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.rp-guide-col-icon {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 18px;
    font-weight: 700;
}

.rp-guide-icon-x {
    color: #ff2bd6;
    background: rgba(255,43,214,.12);
    border: 1px solid rgba(255,43,214,.4);
}

.rp-guide-icon-check {
    color: #00d4ff;
    background: rgba(0,212,255,.12);
    border: 1px solid rgba(0,212,255,.4);
}

.rp-guide-col-head h3 {
    font-family: "Oswald", sans-serif;
    font-size: 22px;
    text-transform: uppercase;
    color: #fff;
}

.rp-guide-col-head p {
    margin-top: 4px;
    color: rgba(255,255,255,.55);
    font-size: 13.5px;
    font-family: "Barlow", sans-serif;
}

/* ---- No-Go Einträge ---- */

.rp-nogo-item {
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,.06);
}

.rp-nogo-item:first-child {
    border-top: none;
    padding-top: 0;
}

.rp-nogo-item-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.rp-nogo-item-head strong {
    font-family: "Oswald", sans-serif;
    font-size: 16.5px;
    color: #fff;
    font-weight: 500;
}

.rp-severity {
    flex: 0 0 auto;
    padding: 4px 10px;
    border-radius: 999px;
    font-family: "Share Tech Mono", monospace;
    font-size: 9.5px;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
}

.rp-severity-hoch {
    color: #ff2bd6;
    background: rgba(255,43,214,.12);
    border: 1px solid rgba(255,43,214,.4);
}

.rp-severity-mittel {
    color: #ffb020;
    background: rgba(255,176,32,.12);
    border: 1px solid rgba(255,176,32,.4);
}

.rp-nogo-item p {
    margin-top: 6px;
    color: rgba(255,255,255,.6);
    font-family: "Barlow", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

/* ---- Do's Einträge ---- */

.rp-dos-item {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,.06);
}

.rp-dos-item:first-child {
    border-top: none;
    padding-top: 0;
}

.rp-dos-bullet {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-top: 2px;

    background: linear-gradient(135deg, #00d4ff, #ff2bd6);
    color: #050507;
    font-size: 12px;
    font-weight: 700;
}

.rp-dos-item strong {
    display: block;
    font-family: "Oswald", sans-serif;
    font-size: 16.5px;
    color: #fff;
    font-weight: 500;
}

.rp-dos-item p {
    margin-top: 4px;
    color: rgba(255,255,255,.6);
    font-family: "Barlow", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

/* ---- CTA ---- */

.rp-guide-cta {
    margin-top: 46px;
    padding: 32px;
    border-radius: 24px;
    text-align: center;

    background:
        radial-gradient(circle at 20% 20%, rgba(0,212,255,.12), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255,43,214,.14), transparent 40%),
        rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.1);
}

.rp-guide-cta p {
    color: rgba(255,255,255,.7);
    font-family: "Barlow", sans-serif;
    margin-bottom: 20px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

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

@media (max-width: 900px) {
    .rp-alpha-grid {
        grid-template-columns: repeat(7, 1fr);
    }

    .rp-guide-columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .rp-alpha-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 8px;
    }

    .rp-alpha-panel-letter strong {
        font-size: 32px;
    }
}