/* EvoGO.ai pre-launch — Academy jade paper lock; keep this page calm, not dark/glow. */
:root {
    --academy-green: #3f6350;
    --academy-green-dark: #2f4b3d;
    --academy-green-mid: #587b68;
    --academy-gold: #b38a2e;
    --academy-cream: #f9f7f3;
    --pl-bg-0: var(--academy-cream);
    --pl-bg-1: #edf1e8;
    --pl-ink: #24382f;
    --pl-muted: #627468;
    --pl-gold: var(--academy-gold);
    --pl-gold-soft: #d8c07b;
    --pl-jade: var(--academy-green);
    --pl-jade-deep: var(--academy-green-dark);
    --pl-line: rgba(63, 99, 80, 0.16);
    --pl-paper: rgba(255, 253, 248, 0.88);
    --pl-paper-strong: rgba(255, 253, 248, 0.96);
    --pl-shadow: 0 22px 54px -34px rgba(63, 99, 80, 0.42);
    --pl-max: 1120px;
    --pl-font: 'Nunito', 'Noto Sans SC', system-ui, sans-serif;
    font-synthesis: none;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body.pl {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--academy-cream);
    color: var(--pl-ink);
    font-family: var(--pl-font);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* ---------- background scenery ---------- */
.pl-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background:
        radial-gradient(68% 46% at 50% 0%, rgba(63, 99, 80, 0.12) 0%, transparent 70%),
        linear-gradient(180deg, #fbfaf7 0%, var(--academy-cream) 46%, #eef2e9 100%);
}
.pl-bg-grid {
    position: absolute;
    inset: -10%;
    background-image:
        linear-gradient(rgba(63, 99, 80, 0.075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(63, 99, 80, 0.075) 1px, transparent 1px);
    background-size: 42px 42px;
    -webkit-mask-image: radial-gradient(ellipse 72% 58% at 50% 24%, #000 0%, transparent 76%);
            mask-image: radial-gradient(ellipse 72% 58% at 50% 24%, #000 0%, transparent 76%);
    opacity: 0.72;
}
/* Soft goban plane behind the hero: board atmosphere without SaaS glow. */
.pl-bg-board {
    position: absolute;
    left: 50%;
    top: 8%;
    width: min(920px, 92vw);
    height: min(520px, 58vh);
    transform: translateX(-50%) perspective(900px) rotateX(58deg);
    transform-origin: center top;
    border-radius: 10px;
    background:
        radial-gradient(ellipse 80% 70% at 50% 40%, rgba(202, 182, 129, 0.22), transparent 72%),
        linear-gradient(180deg, rgba(249, 247, 243, 0.72) 0%, rgba(232, 226, 206, 0.32) 100%);
    box-shadow:
        0 26px 70px -48px rgba(63, 99, 80, 0.4),
        inset 0 0 0 1px rgba(63, 99, 80, 0.12);
    opacity: 0.82;
    pointer-events: none;
}
.pl-bg-glow {
    display: none;
}
.pl-bg-glow--gold { top: -14%; right: -8%; background: radial-gradient(circle, rgba(201, 162, 39, 0.45), transparent 68%); }
.pl-bg-glow--jade { bottom: -18%; left: -10%; background: radial-gradient(circle, rgba(61, 115, 82, 0.55), transparent 68%); animation-delay: -6s; }

.pl-stone {
    position: absolute;
    border-radius: 50%;
    box-shadow: inset -4px -6px 12px rgba(0, 0, 0, 0.18), 0 12px 28px rgba(63, 99, 80, 0.16);
    animation: plDrift 22s ease-in-out infinite;
    opacity: 0.26;
}
.pl-stone--b { background: radial-gradient(circle at 34% 30%, #64756d, #1d2621 70%); }
.pl-stone--w { background: radial-gradient(circle at 34% 30%, #ffffff, #d4d8d0 72%); }
.pl-stone--gold { background: radial-gradient(circle at 34% 30%, #f2dfae, #b38a2e 72%); box-shadow: inset -3px -5px 10px rgba(120, 80, 10, 0.18), 0 12px 30px rgba(179, 138, 46, 0.16); }
.pl-stone.s1 { width: 70px; height: 70px; top: 18%; left: 8%; animation-delay: -2s; }
.pl-stone.s2 { width: 46px; height: 46px; top: 30%; right: 12%; animation-delay: -9s; }
.pl-stone.s3 { width: 30px; height: 30px; bottom: 24%; left: 16%; animation-delay: -5s; }
.pl-stone.s4 { width: 54px; height: 54px; bottom: 14%; right: 18%; animation-delay: -13s; }
.pl-stone.s5 { width: 22px; height: 22px; top: 62%; left: 46%; animation-delay: -7s; }

@keyframes plFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(26px); } }
@keyframes plDrift { 0%, 100% { transform: translate3d(0, 0, 0); } 50% { transform: translate3d(0, -22px, 0); } }

/* ---------- header ---------- */
.pl-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    max-width: var(--pl-max);
    margin: 0 auto;
    padding: 22px clamp(18px, 4vw, 40px);
}
.pl-brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--pl-ink); }
.pl-brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 8px 18px rgba(63, 99, 80, 0.12));
}
.pl-brand-name { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.pl-brand-ai { color: var(--pl-jade); }
.pl-lang { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--pl-muted); }
.pl-lang-label { display: none; }
.pl-lang select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--pl-paper-strong);
    color: var(--pl-ink);
    border: 1px solid var(--pl-line);
    border-radius: 999px;
    padding: 9px 34px 9px 16px;
    font-size: 0.85rem;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239db2a6' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 13px center;
}
.pl-lang select:focus-visible { outline: 2px solid rgba(63, 99, 80, 0.45); outline-offset: 2px; }

.pl a:focus-visible,
.pl button:focus-visible,
.pl input:focus-visible,
.pl select:focus-visible {
    outline: 3px solid rgba(63, 99, 80, 0.42);
    outline-offset: 3px;
}

/* ---------- main / hero ---------- */
.pl-main { flex: 1; width: 100%; max-width: var(--pl-max); margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px); }
.pl-hero {
    text-align: center;
    max-width: 860px;
    margin: clamp(28px, 6vw, 72px) auto clamp(40px, 7vw, 96px);
    animation: plRise 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.pl-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 15px;
    border: 1px solid rgba(63, 99, 80, 0.22);
    border-radius: 999px;
    background: rgba(63, 99, 80, 0.08);
    color: var(--pl-jade-deep);
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
}
.pl-badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--pl-jade); animation: plPulse 2.2s ease-in-out infinite; }
.pl-kicker { margin: 22px 0 10px; color: var(--pl-jade-deep); font-weight: 700; letter-spacing: 0.02em; }
.pl-title {
    margin: 0 auto;
    font-size: clamp(2.15rem, 6vw, 4rem);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--pl-jade-deep);
}
.pl-sub { margin: 20px auto 0; max-width: 640px; font-size: clamp(1rem, 2.2vw, 1.2rem); color: var(--pl-muted); }

/* ---------- launch countdown ---------- */
.pl-countdown {
    margin: clamp(24px, 4vw, 36px) auto 0;
    max-width: 520px;
}
.pl-countdown-label {
    margin: 0 0 14px;
    color: var(--pl-gold);
    font-size: 0.86rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.pl-countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}
.pl-countdown-cell {
    padding: 14px 8px 12px;
    border-radius: 16px;
    border: 1px solid var(--pl-line);
    background: linear-gradient(180deg, var(--pl-paper-strong), rgba(249, 247, 243, 0.78));
    box-shadow: var(--pl-shadow);
}
.pl-countdown-num {
    display: block;
    font-size: clamp(1.55rem, 5vw, 2.1rem);
    font-weight: 800;
    letter-spacing: 0.02em;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    color: var(--pl-jade-deep);
}
.pl-countdown-unit {
    display: block;
    margin-top: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--pl-muted);
}
.pl-countdown--live .pl-countdown-label { color: var(--pl-jade); }
.pl-countdown--live .pl-countdown-num { color: var(--pl-jade); }

/* ---------- CTA card ---------- */
.pl-auth-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin: clamp(22px, 4vw, 32px) auto 0;
    max-width: 540px;
}
.pl-auth-btn {
    flex: 1 1 140px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid rgba(63, 99, 80, 0.24);
    background: rgba(255, 253, 248, 0.78);
    color: var(--pl-jade-deep);
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s ease, border-color 0.2s ease;
}
.pl-auth-btn:hover { transform: translateY(-1px); border-color: rgba(63, 99, 80, 0.45); }
.pl-auth-btn--primary {
    border: none;
    background: var(--pl-jade);
    color: #fffdf8;
    box-shadow: 0 18px 34px -22px rgba(63, 99, 80, 0.8);
}
.pl-cta--wait { text-align: center; }
.pl-auth-link {
    display: inline-block;
    margin-top: 14px;
    color: var(--pl-muted);
    font-size: 0.9rem;
}
.pl-cta {
    margin: clamp(28px, 5vw, 44px) auto 0;
    max-width: 540px;
    padding: clamp(22px, 4vw, 32px);
    background: linear-gradient(180deg, var(--pl-paper-strong), rgba(249, 247, 243, 0.76));
    border: 1px solid var(--pl-line);
    border-radius: 22px;
    box-shadow: var(--pl-shadow);
    text-align: left;
}
.pl-cta-title { margin: 0; font-size: 1.3rem; font-weight: 700; }
.pl-cta-sub { margin: 8px 0 18px; color: var(--pl-muted); font-size: 0.94rem; }
.pl-field { display: flex; gap: 10px; }
.pl-input {
    flex: 1; min-width: 0;
    padding: 14px 18px;
    background: #fffdf8;
    border: 1px solid var(--pl-line);
    border-radius: 12px;
    color: var(--pl-ink);
    font-size: 1rem;
}
.pl-input::placeholder { color: #8b9a90; }
.pl-input:focus-visible { outline: none; border-color: var(--pl-jade); box-shadow: 0 0 0 3px rgba(63, 99, 80, 0.14); }
.pl-submit {
    flex: 0 0 auto;
    padding: 14px 22px;
    border: 1px solid rgba(63, 99, 80, 0.24);
    border-radius: 12px;
    background: #fffdf8;
    color: var(--pl-jade-deep);
    font-size: 0.98rem; font-weight: 800; letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    box-shadow: none;
}
.pl-submit:hover { transform: translateY(-1px); border-color: rgba(63, 99, 80, 0.45); }
.pl-submit:disabled { opacity: 0.65; cursor: progress; transform: none; }
.pl-note { margin: 12px 2px 0; font-size: 0.8rem; color: #7c9186; }
.pl-msg { margin: 12px 2px 0; font-size: 0.9rem; font-weight: 600; }
.pl-msg--ok { color: var(--pl-jade-deep); }
.pl-msg--error { color: #a65343; }
.pl-cta--done .pl-field, .pl-cta--done .pl-note { opacity: 0.4; }

/* ---------- features ---------- */
.pl-features { margin: 0 auto clamp(40px, 7vw, 88px); }
.pl-features-title { text-align: center; font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin: 0 0 clamp(22px, 4vw, 38px); }
.pl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.pl-card {
    padding: 26px 24px;
    background: rgba(255, 253, 248, 0.72);
    border: 1px solid var(--pl-line);
    border-radius: 18px;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.pl-card:hover { transform: translateY(-2px); border-color: rgba(63, 99, 80, 0.34); background: var(--pl-paper-strong); }
.pl-card-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; margin-bottom: 16px;
    border-radius: 14px;
    color: var(--pl-jade);
    background: rgba(63, 99, 80, 0.08);
    border: 1px solid rgba(63, 99, 80, 0.16);
}
.pl-card-icon svg { width: 26px; height: 26px; }
.pl-card-title { margin: 0 0 8px; font-size: 1.1rem; font-weight: 700; }
.pl-card-desc { margin: 0; color: var(--pl-muted); font-size: 0.92rem; }

/* ---------- coming soon ---------- */
.pl-coming {
    text-align: center;
    max-width: 760px;
    margin: 0 auto clamp(44px, 8vw, 96px);
    padding: clamp(28px, 5vw, 44px);
    border: 1px solid var(--pl-line);
    border-radius: 22px;
    background: rgba(255, 253, 248, 0.68);
}
.pl-coming-title { margin: 0 0 10px; font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 800; color: var(--pl-jade-deep); }
.pl-coming-desc { margin: 0; color: var(--pl-muted); }

/* ---------- footer ---------- */
.pl-foot {
    text-align: center;
    padding: 28px clamp(18px, 4vw, 40px) 40px;
    border-top: 1px solid var(--pl-line);
    color: var(--pl-muted);
    font-size: 0.85rem;
}
.pl-foot-brand { font-weight: 600; color: var(--pl-ink); }
.pl-foot-links { margin: 8px 0; display: flex; gap: 10px; justify-content: center; align-items: center; }
.pl-foot-links a { color: var(--pl-muted); text-decoration: none; }
.pl-foot-links a:hover { color: var(--pl-jade); }
.pl-foot-rights { opacity: 0.7; }

@keyframes plRise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes plPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

@media (min-width: 620px) { .pl-lang-label { display: inline; } }
@media (max-width: 540px) {
    .pl-field { flex-direction: column; }
    .pl-submit { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .pl-bg-glow, .pl-stone, .pl-badge-dot, .pl-hero, .pl-bg-board { animation: none !important; }
    .pl-card:hover, .pl-submit:hover { transform: none; }
}

@media (max-width: 480px) {
    body.pl {
        overflow-x: clip;
    }

    .pl-top {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .pl-lang {
        max-width: 100%;
    }

    .pl-hero {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .pl-cta {
        margin-left: max(1rem, env(safe-area-inset-left));
        margin-right: max(1rem, env(safe-area-inset-right));
    }

    .pl-features {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .pl-foot-links {
        flex-wrap: wrap;
        gap: 0.5rem 0.75rem;
    }
}


.pl-bg-board::after {
    content: '';
    position: absolute;
    inset: 8%;
    background-image:
        linear-gradient(rgba(63, 99, 80, 0.16) 1px, transparent 1px),
        linear-gradient(90deg, rgba(63, 99, 80, 0.16) 1px, transparent 1px);
    background-size: 5.26% 5.26%;
    border-radius: 4px;
    opacity: 0.85;
    pointer-events: none;
}
.pl-input:focus-visible {
    outline: 2px solid var(--pl-jade);
    outline-offset: 2px;
}