/* ═══════════════════════════════════════════
   HOME PAGE  —  K4L — Electric Mint identity

   همه‌ی رنگ‌های برند اینجا از var(--color-x) میان (طبق قانون
   docs/DESIGN-SYSTEM.md). فقط #fff و opacity‌های خاکستری خنثی
   به‌صورت مستقیم نوشته شدن چون رنگ برند نیستن.
   ═══════════════════════════════════════════ */

/* ── HERO ── */
.hero {
    background: linear-gradient(160deg, var(--color-brand-dark) 0%, var(--color-glow-mid) 55%, var(--color-brand-mid) 100%);
    padding-block: var(--space-4xl) var(--space-3xl);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero__glow {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(var(--color-primary-rgb),0.14) 0%, transparent 70%);
    pointer-events: none;
}

.hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xl);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(var(--color-primary-rgb),0.10);
    border: 0.5px solid rgba(var(--color-primary-rgb),0.28);
    border-radius: var(--radius-full);
    padding: 5px var(--space-md);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.65);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.hero__title {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    direction: rtl;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 0;
}

.hero__word {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    color: #fff;
    white-space: nowrap;
    display: inline-block;
    margin-inline: 7px;
    will-change: font-size, margin, letter-spacing;
    transition: none;
}

.hero__word--orange {
    /* اسم کلاس تاریخی مونده (orange) ولی الان گرادیان نعنایی برنده —
       عوض کردن اسم کلاس نیاز به تغییر HTML هم داره، فعلاً فقط رنگش
       عوض شد تا با هویت جدید هماهنگ باشه */
    background: linear-gradient(90deg, var(--color-primary), #8FF2C4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__link {
    font-size: 30px;
    font-weight: var(--font-weight-bold);
    color: rgba(255,255,255,0.15);
    letter-spacing: 1px;
    direction: ltr;
    margin-top: var(--space-md);
    will-change: font-size, opacity, color;
}

.hero__hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.3);
    font-size: 20px;
    animation: bounce 1.8s ease-in-out infinite;
    will-change: opacity;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(-7px); }
}

.hero__sub {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.45);
    max-width: 480px;
    line-height: 1.7;
    margin-top: calc(-1 * var(--space-md));
}


/* ── SHORTEN CARD ── */
.shorten-card {
    width: 100%;
    max-width: 700px;
    background: rgba(255,255,255,0.04);
    border: 0.5px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-xl);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.shorten-card__row {
    display: flex;
    gap: var(--space-sm);
}

.shorten-card__input {
    flex: 1;
    min-width: 0;
    height: var(--input-height);
    padding-inline: var(--space-lg);
    background: rgba(255,255,255,0.07);
    border: 0.5px solid rgba(255,255,255,0.14);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    color: #fff;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.shorten-card__input::placeholder { color: rgba(255,255,255,0.28); }

.shorten-card__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb),0.15);
}

.shorten-card__btn {
    flex-shrink: 0;
    height: var(--input-height);
    padding-inline: var(--space-xl);
    background: var(--color-primary);
    color: #06301F;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.shorten-card__btn:hover { background: var(--color-primary-hover); }
.shorten-card__btn:active { transform: scale(0.97); }

/* deep link toggle */
.shorten-card__details {
    margin-top: var(--space-md);
}

.shorten-card__details summary {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.35);
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: color var(--transition-fast);
}

.shorten-card__details summary:hover { color: rgba(255,255,255,0.65); }
.shorten-card__details summary::-webkit-details-marker { display: none; }

.shorten-card__optionals {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.shorten-card__opt-input {
    width: 100%;
    height: 44px;
    padding-inline: var(--space-md);
    background: rgba(255,255,255,0.06);
    border: 0.5px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: #fff;
    transition: border-color var(--transition-base);
}

.shorten-card__opt-input::placeholder { color: rgba(255,255,255,0.25); }
.shorten-card__opt-input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.35);
}


/* ── RESULT BOX ── */
.result-box {
    margin-top: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: rgba(255,255,255,0.05);
    border: 0.5px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.result-box.hidden { display: none; }

.result-box__row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.result-box__input {
    flex: 1;
    min-width: 160px;
    height: 40px;
    padding-inline: var(--space-md);
    background: rgba(255,255,255,0.08);
    border: 0.5px solid rgba(255,255,255,0.14);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    -webkit-text-fill-color: var(--color-primary);
}

.result-box__actions { display: flex; gap: var(--space-xs); }

.rbtn {
    height: 36px;
    padding-inline: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    border: none;
    transition: background var(--transition-fast), opacity var(--transition-fast);
    white-space: nowrap;
}

.rbtn--primary {
    background: var(--color-primary);
    color: #06301F;
}
.rbtn--primary:hover { background: var(--color-primary-hover); }

.rbtn--ghost {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.75);
    border: 0.5px solid rgba(255,255,255,0.12);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
.rbtn--ghost:hover { background: rgba(255,255,255,0.13); }

.result-box__meta {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.4);
    min-height: 18px;
}

.result-box__qr {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 0.5px solid rgba(255,255,255,0.08);
}

.result-box__qr.hidden { display: none; }

.result-box__qr-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    background: #fff;
    border: 1px solid rgba(255,255,255,0.15);
}


/* ── STATS STRIP ── */
.stats-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 0.5px solid rgba(255,255,255,0.07);
    width: 100%;
    max-width: 600px;
}

.stats-strip__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stats-strip__item strong {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    color: #fff;
}

.stats-strip__item span {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.35);
    white-space: nowrap;
}

.stats-strip__divider {
    width: 0.5px;
    height: 32px;
    background: rgba(255,255,255,0.10);
}


/* ── FEATURES ── */
.features {
    background: var(--color-brand-dark);
    padding-block: var(--space-4xl);
    border-top: 0.5px solid rgba(255,255,255,0.06);
}

.features__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3xl);
}

.features__header { text-align: center; }

.features__header h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    color: #fff;
    margin-bottom: var(--space-sm);
}

.features__header p {
    font-size: var(--text-base);
    color: rgba(255,255,255,0.35);
}

.features__grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}

.feat-card {
    background: rgba(255,255,255,0.03);
    border: 0.5px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: background var(--transition-base), border-color var(--transition-base);
}

.feat-card:hover {
    background: rgba(255,255,255,0.055);
    border-color: rgba(255,255,255,0.14);
}

.feat-card__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
}

/* اسم کلاس‌ها (orange/blue/...) تاریخی‌ان، ولی چون هرکدوم برای یه
   آیکون متفاوت رو کارت‌های فیچره (نه رنگ اصلی برند)، تنوع رنگی خودشون
   عمدیه و نیازی به یکی‌شدن با --color-primary ندارن — فقط عکس رنگی
   که قبلاً مستقیم رنگ برند (نارنجی) بود رو به نعنایی برند تغییر دادم. */
.feat-card__icon--orange { background: rgba(var(--color-primary-rgb),0.16); }
.feat-card__icon--blue   { background: rgba(59,130,246,0.12); }
.feat-card__icon--purple { background: rgba(var(--color-accent-2-rgb),0.14); }
.feat-card__icon--green  { background: rgba(34,197,94,0.11); }
.feat-card__icon--amber  { background: rgba(251,191,36,0.12); }
.feat-card__icon--gray   { background: rgba(255,255,255,0.07); }

.feat-card h3 {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: #fff;
    margin-bottom: var(--space-xs);
}

.feat-card p {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.38);
    line-height: 1.6;
}


/* ── CTA BANNER ── */
.cta-banner {
    background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand-mid) 100%);
    padding-block: var(--space-4xl);
    border-top: 0.5px solid rgba(255,255,255,0.06);
}

.cta-banner__inner {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.cta-banner__inner h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    color: #fff;
}

.cta-banner__inner p {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.4);
    margin-top: calc(-1 * var(--space-sm));
}

.cta-banner__btn {
    display: inline-flex;
    align-items: center;
    height: var(--button-height);
    padding-inline: var(--space-2xl);
    background: var(--color-primary);
    color: #06301F;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-banner__btn:hover { background: var(--color-primary-hover); }
.cta-banner__btn:active { transform: scale(0.97); }


/* navbar/footer اینجا نیست — توی styles/nav-footer.css هست
   (مشترک بین همه صفحات) */

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    .hero { padding-block: var(--space-3xl) var(--space-2xl); }

    .shorten-card { padding: var(--space-lg); }

    .shorten-card__row { flex-direction: column; }
    .shorten-card__btn { width: 100%; }

    .stats-strip { gap: var(--space-lg); }
    .stats-strip__item strong { font-size: var(--text-xl); }
}