/* =========================================================
   PROGRAF — Design tokens
   Paper (warm light) + Ink (graphite) + Indigo→Violet gradient
   Display: Sora (geometric, technical) / Body: Vazirmatn + Inter
   Utility/labels: JetBrains Mono (code-comment identity)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Manrope:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');
@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

:root {
    --paper: #F6F5F2;
    --paper-raised: #FFFFFF;
    --ink: #14141C;
    --muted: #62626C;
    --line: #E4E2DD;
    --indigo: #4B3AF0;
    --violet: #A855F7;
    --gradient: linear-gradient(120deg, var(--indigo), var(--violet));
    --gradient-soft: linear-gradient(135deg, rgba(75,58,240,0.10), rgba(168,85,247,0.10));

    /* فارسی: Vazirmatn برای تیتر و متن (خوانایی بهتر فارسی از فونت‌های لاتین) */
    /* انگلیسی: Sora برای تیتر (هندسی و متمایز) + Manrope/Inter برای متن (خوانا و مدرن) */
    --font-display: 'Sora', 'Vazirmatn', sans-serif;
    --font-body: 'Manrope', 'Vazirmatn', sans-serif;
    --font-fa: 'Vazirmatn', 'Manrope', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius: 20px;
    --radius-sm: 12px;
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-fa);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body[dir="rtl"] { font-family: 'Vazirmatn', 'Manrope', sans-serif; }
body[dir="ltr"] { font-family: 'Manrope', 'Inter', sans-serif; }
body[dir="ltr"] h1, body[dir="ltr"] h2, body[dir="ltr"] h3, body[dir="ltr"] h4 { font-family: 'Sora', sans-serif; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: var(--font-fa);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0;
}
h1 { font-weight: 800; }

p { line-height: 1.8; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--indigo);
    letter-spacing: 0.03em;
    margin-bottom: 14px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}
.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 10px 30px -10px rgba(75,58,240,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(75,58,240,0.6); }
.btn-outline {
    background: transparent;
    color: var(--ink);
    border: 1.5px solid var(--line);
}
.btn-outline:hover { border-color: var(--indigo); color: var(--indigo); }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(246,245,242,0.8);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.site-header .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 20px;
}
.brand img { height: 34px; width: auto; }
.brand-mark {
    width: 34px; height: 34px; border-radius: 9px;
    background: var(--gradient);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-family: var(--font-mono); font-size: 14px;
}
nav.main-nav { display: flex; align-items: center; gap: 30px; }
nav.main-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--muted);
    position: relative;
    padding: 4px 0;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--ink); }
nav.main-nav a.active::after {
    content: '';
    position: absolute; bottom: -4px; left: 0; right: 0;
    height: 2px; background: var(--gradient); border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-btn {
    font-family: var(--font-mono);
    font-size: 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 14px;
    color: var(--muted);
}
.lang-btn:hover { border-color: var(--indigo); color: var(--indigo); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 90px 0 60px;
    overflow: hidden;
}
.hero .inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 40px;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); letter-spacing: -0.01em; }
.hero-desc { color: var(--muted); font-size: 18px; margin: 22px 0 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-canvas-wrap {
    position: relative;
    aspect-ratio: 1/1;
    border-radius: 28px;
    background: var(--gradient-soft);
    border: 1px solid var(--line);
    overflow: hidden;
}
#hero-canvas { width: 100%; height: 100%; display: block; }

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 70px;
    padding-top: 40px;
    border-top: 1px solid var(--line);
}
.stat b {
    display: block;
    font-family: var(--font-display);
    font-size: 34px;
    background: var(--gradient);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { color: var(--muted); font-size: 14px; }

/* ---------- Section shell ---------- */
.section { padding: 90px 0; }
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 46px;
}
.section-head h2 { font-size: clamp(26px, 3vw, 38px); }
.section-desc { color: var(--muted); margin-top: 10px; max-width: 520px; }
.section-alt { background: var(--paper-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- Bento grid — services ---------- */
.bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 190px;
    gap: 18px;
}
.bento-card {
    grid-column: span 2;
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.bento-card:nth-child(3n+1) { grid-column: span 2; }
.bento-card.wide { grid-column: span 4; }
.bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -20px rgba(20,20,28,0.15);
    border-color: transparent;
}
.bento-card .icon-wrap {
    width: 46px; height: 46px; border-radius: 12px;
    background: var(--gradient-soft);
    display: flex; align-items: center; justify-content: center;
    color: var(--indigo);
    margin-bottom: 16px;
}
.bento-card .icon-wrap svg { width: 24px; height: 24px; }
.bento-card h3 { font-size: 19px; margin-bottom: 8px; }
.bento-card p { color: var(--muted); font-size: 14px; margin: 0; }
.bento-card .service-index {
    position: absolute; top: 18px; inset-inline-end: 22px;
    font-family: var(--font-mono); font-size: 12px; color: var(--line);
}

@media (max-width: 900px) {
    .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
    .bento-card, .bento-card.wide, .bento-card:nth-child(3n+1) { grid-column: span 2; }
}

/* ---------- Portfolio ---------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.pf-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--paper-raised);
    transition: transform .3s ease, box-shadow .3s ease;
}
.pf-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -20px rgba(20,20,28,0.15); }
.pf-thumb {
    aspect-ratio: 4/3;
    background: var(--gradient-soft);
    display: flex; align-items: center; justify-content: center;
    color: var(--indigo);
    position: relative;
}
.pf-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pf-body { padding: 20px 22px; }
.pf-cat {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--indigo);
    margin-bottom: 8px;
    display: block;
}
.pf-body h3 { font-size: 18px; margin-bottom: 8px; }
.pf-body p { color: var(--muted); font-size: 14px; margin: 0; }

@media (max-width: 900px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .portfolio-grid { grid-template-columns: 1fr; }
}

/* ---------- Blog ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.blog-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--paper-raised);
}
.blog-thumb { aspect-ratio: 16/10; background: var(--gradient-soft); }
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-body { padding: 20px 22px; }
.blog-date { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.blog-body h3 { font-size: 18px; margin: 10px 0; }
.blog-body p { color: var(--muted); font-size: 14px; }
.blog-link { color: var(--indigo); font-weight: 600; font-size: 14px; margin-top: 12px; display: inline-block; }

@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

/* ---------- CTA ---------- */
.cta-band {
    border-radius: 28px;
    background: var(--ink);
    color: #fff;
    padding: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-band::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(75,58,240,0.5), transparent 55%),
                radial-gradient(circle at 80% 80%, rgba(168,85,247,0.45), transparent 55%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.7); margin-bottom: 28px; }

/* ---------- Footer ---------- */
footer {
    background: var(--paper-raised);
    border-top: 1px solid var(--line);
    padding: 60px 0 30px;
    margin-top: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-grid h4 { font-size: 14px; margin-bottom: 18px; font-family: var(--font-mono); color: var(--muted); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { color: var(--muted); font-size: 14px; }
.footer-grid a:hover { color: var(--indigo); }
.footer-bottom {
    border-top: 1px solid var(--line);
    padding-top: 24px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 13px; color: var(--muted); flex-wrap: wrap; gap: 10px;
}
.footer-bottom .license { font-family: var(--font-mono); }

@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Team ---------- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.team-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: transform .3s ease, box-shadow .3s ease;
}
.team-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -20px rgba(20,20,28,0.15); }
.team-avatar {
    width: 92px; height: 92px;
    border-radius: 50%;
    margin: 0 auto 16px;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 26px;
    color: #fff;
    position: relative;
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 16px; margin-bottom: 4px; }
.team-role { font-family: var(--font-mono); font-size: 12px; color: var(--indigo); display: block; margin-bottom: 10px; }
.team-bio { font-size: 13px; color: var(--muted); margin: 0; }
.team-social {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--gradient-soft);
    color: var(--indigo);
}
.team-social:hover { background: var(--gradient); color: #fff; }

@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .team-grid { grid-template-columns: 1fr; } }

/* ---------- Inner pages ---------- */
.page-hero {
    padding: 70px 0 40px;
    border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 34px;
}
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}
.contact-info-card {
    background: var(--ink);
    color: #fff;
    border-radius: var(--radius);
    padding: 34px;
    height: fit-content;
}
.contact-info-card .eyebrow { color: #C9BFFF; }
.contact-info-row { display: flex; gap: 12px; align-items: flex-start; margin-top: 20px; font-size: 14px; color: rgba(255,255,255,0.8); }
.contact-form {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 34px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; color: var(--muted); font-family: var(--font-mono); }
.form-group input, .form-group textarea {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-family: var(--font-body);
    font-size: 15px;
    background: var(--paper);
    color: var(--ink);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--indigo);
    box-shadow: 0 0 0 3px rgba(75,58,240,0.12);
}
.alert { padding: 14px 18px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 20px; }
.alert-success { background: #E9F9EF; color: #1B7A3D; border: 1px solid #B7EBC6; }
.alert-error { background: #FDECEC; color: #B4231E; border: 1px solid #F5C2C0; }

@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.blog-single { max-width: 780px; margin: 0 auto; }
.blog-single .blog-thumb { aspect-ratio: 16/9; border-radius: var(--radius); margin-bottom: 30px; }
.blog-single-content { font-size: 17px; }
.blog-single-content p { margin: 0 0 20px; }

/* ---------- Mobile nav ---------- */
@media (max-width: 900px) {
    .nav-toggle { display: block; }
    nav.main-nav {
        position: fixed; top: 68px; inset-inline-start: 0; inset-inline-end: 0;
        background: var(--paper-raised);
        flex-direction: column; align-items: flex-start;
        padding: 20px 24px; gap: 18px;
        border-bottom: 1px solid var(--line);
        transform: translateY(-130%);
        transition: transform .3s ease;
        z-index: 99;
    }
    nav.main-nav.open { transform: translateY(0); }
    .hero .inner { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--indigo);
    outline-offset: 2px;
}