/* =====================================================================
   دکتر لیزر — Blog Styles
   فونت: IRANSansXV (متغیر، لوکال)
   جهت: RTL — فارسی
   ===================================================================== */

/* ── فونت لوکال ────────────────────────────────────────────────────── */
@font-face {
    font-family: "IRANSansXV";
    src:
        url("./fonts/IRANSansXV.woff2") format("woff2"),
        url("./fonts/IRANSansXV.woff") format("woff");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* ── متغیرهای CSS ──────────────────────────────────────────────────── */
:root {
    --green: #20ce66;
    --green-dark: #18a852;
    --green-light: #e8faf1;
    --purple: #9534c5;
    --purple-dark: #7a28a8;
    --purple-light: #f5eafc;
    --dark: #1c1c28;
    --dark-2: #2c2c3e;
    --mid: #5a5a72;
    --muted: #8888a0;
    --border: #e4e4ef;
    --light: #f9f9f9;
    --white: #ffffff;
    --teal: #0ea5b0;
    --rose: #e8457a;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-sm: 0 1px 4px rgba(28, 28, 40, 0.07);
    --shadow-md: 0 4px 20px rgba(28, 28, 40, 0.1);
    --shadow-lg: 0 8px 32px rgba(28, 28, 40, 0.14);

    --font: "IRANSansXV", sans-serif;
    --container: 1120px;
    --header-h: 68px;
}

/* ── ریست پایه ─────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    color: var(--dark);
    background: var(--light);
    direction: rtl;
    text-align: right;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg {
    display: block;
    max-width: 100%;
}
a {
    color: inherit;
    text-decoration: none;
}
ul,
ol {
    list-style: none;
}
button {
    cursor: pointer;
    font-family: var(--font);
}

/* دسترس‌پذیری */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── کانتینر ──────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ══════════════════════════════════════════════════════════════════════
   هدر
══════════════════════════════════════════════════════════════════════ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    gap: 16px;
}

/* لوگو */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    flex-direction: row;
}

.logo__icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.logo__text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo__name {
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.logo__tagline {
    font-size: 11px;
    font-weight: 400;
    color: var(--muted);
    line-height: 1;
}

/* منوی ناوبری */
.nav__menu {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-direction: row;
}

.nav__link {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--mid);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition:
        color 0.18s,
        background 0.18s;
}

.nav__link:hover {
    color: var(--dark);
    background: var(--light);
}

.nav__link--active,
.nav__link[aria-current="page"] {
    color: var(--purple);
    font-weight: 700;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    background: var(--green);
    padding: 8px 18px;
    border-radius: var(--radius-md);
    border: none;
    transition:
        background 0.18s,
        transform 0.15s,
        box-shadow 0.18s;
    box-shadow: 0 2px 10px rgba(32, 206, 102, 0.25);
}

.nav__cta:hover {
    background: var(--green-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(32, 206, 102, 0.35);
}

/* دکمه موبایل */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
}
.nav-toggle:hover {
    background: var(--light);
}

.nav-toggle__bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition:
        transform 0.22s,
        opacity 0.18s;
}

.nav-toggle--open .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle--open .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle--open .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ══════════════════════════════════════════════════════════════════════
   هیرو
══════════════════════════════════════════════════════════════════════ */
.hero {
    background: linear-gradient(
        135deg,
        var(--dark) 0%,
        var(--dark-2) 60%,
        #3a1a5c 100%
    );
    padding: 72px 0 64px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            ellipse 80% 60% at 20% 50%,
            rgba(149, 52, 197, 0.18) 0%,
            transparent 65%
        ),
        radial-gradient(
            ellipse 50% 50% at 80% 20%,
            rgba(32, 206, 102, 0.1) 0%,
            transparent 60%
        );
    pointer-events: none;
}

.hero__content {
    position: relative;
    max-width: 680px;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--green);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.hero__eyebrow::before,
.hero__eyebrow::after {
    content: "";
    display: block;
    width: 28px;
    height: 1px;
    background: var(--green);
    opacity: 0.5;
}

.hero__title {
    font-size: clamp(28px, 5vw, 46px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: 16.5px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    max-width: 580px;
    line-height: 1.8;
}

/* ══════════════════════════════════════════════════════════════════════
   هدر بخش
══════════════════════════════════════════════════════════════════════ */
.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 52px 0 32px;
}

.section-header h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    white-space: nowrap;
}

.section-header__line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ══════════════════════════════════════════════════════════════════════
   گرید پست‌ها
══════════════════════════════════════════════════════════════════════ */
#posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 64px;
}

/* ── کارت پست ─────────────────────────────────────────────────────── */
.post-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition:
        transform 0.22s ease,
        box-shadow 0.22s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.post-card__color-bar {
    display: block;
    height: 4px;
    background: var(--green);
    transition: height 0.2s ease;
}

.post-card:hover .post-card__color-bar {
    height: 6px;
}

.post-card.card--green .post-card__color-bar {
    background: var(--green);
}
.post-card.card--purple .post-card__color-bar {
    background: var(--purple);
}
.post-card.card--teal .post-card__color-bar {
    background: var(--teal);
}
.post-card.card--rose .post-card__color-bar {
    background: var(--rose);
}

.post-card__body {
    padding: 24px 24px 16px;
    flex: 1;
}

.post-card__title {
    font-size: 19px;
    font-weight: 800;
    color: var(--dark);
    margin: 12px 0 10px;
    line-height: 1.4;
}

.post-card__title a {
    color: inherit;
}
.post-card__title a:hover {
    color: var(--purple);
}

.post-card__excerpt {
    font-size: 14.5px;
    color: var(--mid);
    line-height: 1.75;
}

.post-card__footer {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-direction: row;
    padding: 12px 24px 18px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.post-card__date,
.post-card__readtime {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    color: var(--muted);
}

/* ── بج ───────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    letter-spacing: 0.02em;
}

.badge--green {
    background: var(--green-light);
    color: var(--green-dark);
}

.badge--purple {
    background: var(--purple-light);
    color: var(--purple-dark);
}

/* خالی بودن پست‌ها */
.posts-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 0;
    color: var(--muted);
    font-size: 15px;
}

/* ══════════════════════════════════════════════════════════════════════
   صفحه پست
══════════════════════════════════════════════════════════════════════ */
.post-layout {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* مسیر صفحه */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-direction: row;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 28px;
}

.breadcrumb a {
    color: var(--purple);
    transition: color 0.15s;
}
.breadcrumb a:hover {
    color: var(--purple-dark);
}

.breadcrumb__sep {
    color: var(--border);
    font-size: 16px;
    /* برای RTL جهت جداکننده */
    transform: scaleX(-1);
    display: inline-block;
}

/* هدر پست */
.post-header {
    margin-bottom: 36px;
}

.post-header .badge {
    margin-bottom: 16px;
}

.post-header__title {
    font-size: clamp(24px, 4vw, 38px);
    font-weight: 900;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.post-header__meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    flex-direction: row;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border);
}

.post-header__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--muted);
}

/* ── بدنه پست ─────────────────────────────────────────────────────── */
.post-body {
    font-size: 16.5px;
    line-height: 1.9;
    color: var(--dark-2);
}

.post-body > * + * {
    margin-top: 1.4em;
}

.post-body p {
    color: #38384e;
}

.post-body h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-top: 2.2em;
    margin-bottom: 0.6em;
    padding-bottom: 0.4em;
    border-bottom: 2px solid var(--green);
    display: inline-block;
}

.post-body h2:first-child {
    margin-top: 0;
}

.post-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-top: 1.6em;
    margin-bottom: 0.5em;
}

.post-body ul,
.post-body ol {
    padding-right: 12px;
    padding-left: 0;
}

.post-body ul {
    list-style: none;
}

.post-body ul li {
    position: relative;
    padding-right: 22px;
    margin-bottom: 0.5em;
    color: #38384e;
}

.post-body ul li + li {
    margin-top: 0.4em;
}

.post-body ul li::before {
    content: "";
    position: absolute;
    right: 0;
    top: 0.65em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
}

.post-body ol {
    list-style: decimal;
    padding-right: 24px;
}

.post-body ol li {
    padding-right: 6px;
    margin-bottom: 0.5em;
    color: #38384e;
}

.post-body ol li + li {
    margin-top: 0.4em;
}

.post-body ol li::marker {
    color: var(--green-dark);
    font-weight: 700;
}

.post-body strong {
    font-weight: 700;
    color: var(--dark);
}

.post-body em {
    font-style: italic;
}

.post-body a {
    color: var(--purple);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.15s;
}

.post-body a:hover {
    color: var(--purple-dark);
}

.post-body blockquote {
    margin: 2em 0;
    padding: 20px 24px;
    background: var(--purple-light);
    border-right: 4px solid var(--purple);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-body blockquote p {
    font-size: 16px;
    font-weight: 500;
    color: var(--purple-dark);
    margin: 0;
    line-height: 1.7;
}

.post-body blockquote p::before {
    content: "\201C";
}
.post-body blockquote p::after {
    content: "\201D";
}

/* ══════════════════════════════════════════════════════════════════════
   فوتر
══════════════════════════════════════════════════════════════════════ */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.65);
    padding: 48px 0 36px;
}

.site-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.site-footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-direction: row;
}

.site-footer__logo-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 20px;
    flex-direction: row;
}

.site-footer__links a {
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.15s;
}

.site-footer__links a:hover {
    color: var(--white);
}

.site-footer__copy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.site-footer__divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
}

/* ══════════════════════════════════════════════════════════════════════
   ریسپانسیو
══════════════════════════════════════════════════════════════════════ */
@media (min-width: 640px) {
    #posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    #posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .post-layout {
        padding: 48px 0 96px;
    }
}

@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }

    .nav__menu {
        display: none;
        position: absolute;
        top: var(--header-h);
        right: 0;
        left: 0;
        flex-direction: column;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 16px 24px 24px;
        gap: 4px;
    }

    .nav__menu--open {
        display: flex;
    }

    .nav__link {
        width: 100%;
        padding: 10px 16px;
    }

    .nav__cta {
        width: 100%;
        justify-content: center;
        margin-top: 8px;
        padding: 12px;
    }

    .hero {
        padding: 48px 0 44px;
    }

    .section-header {
        margin: 36px 0 24px;
    }

    .section-header h2 {
        font-size: 18px;
    }
}

/* ══════════════════════════════════════════════════════════════════════
   چاپ
══════════════════════════════════════════════════════════════════════ */
@media print {
    .site-header,
    .site-footer,
    .nav-toggle,
    .breadcrumb {
        display: none;
    }

    .post-layout {
        max-width: 100%;
        padding: 0;
    }

    .post-body h2 {
        break-after: avoid;
    }
}