/* =========================
   FONTS (self-hosted, no external requests)
========================= */
@font-face {
    font-family: 'DM Sans';
    src: url('../fonts/DMSans.woff2') format('woff2');
    font-weight: 100 1000;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DM Sans';
    src: url('../fonts/DMSans-Italic.woff2') format('woff2');
    font-weight: 100 1000;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'DM Serif Display';
    src: url('../fonts/DMSerifDisplay-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DM Serif Display';
    src: url('../fonts/DMSerifDisplay-Italic.woff2') format('woff2');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

/* =========================
   ROOT — DARK (DEFAULT)
========================= */
:root {
    /* Accent scale — blue, used for icons, links, highlights */
    --blue-300: #93C5FD;
    --blue-400: #60A5FA;
    --blue-500: #3B82F6;
    --blue-600: #2563EB;
    --blue-700: #1D4ED8;
    --blue-800: #1E40AF;
    --blue-900: #1E3A8A;

    --bg:        #0A0A0B;
    --bg-2:      #111113;
    --bg-card:   #151517;
    --bg-hover:  #1C1C1F;

    --text:      #F4F4F5;
    --text-2:    #A1A1AA;
    --text-muted:#63636B;

    --border:    rgba(255,255,255,0.08);
    --border-2:  rgba(255,255,255,0.14);
    --border-3:  rgba(59,130,246,0.40);

    --accent:      #3B82F6;
    --accent-glow: rgba(59,130,246,0.18);

    --tr: 0.22s ease;
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 18px;

    /* Section spacing — change once to adjust all sections */
    --section-py: 80px;
    --section-py-mobile: 48px;
}

body.light {
    --bg:        #FAFAF9;
    --bg-2:      #F4F4F3;
    --bg-card:   #FFFFFF;
    --bg-hover:  #EFEFEE;
    --text:      #18181B;
    --text-2:    #52525B;
    --text-muted:#9CA3AF;
    --border:    rgba(0,0,0,0.08);
    --border-2:  rgba(0,0,0,0.12);
    --border-3:  rgba(37,99,235,0.35);
    --accent:      #2563EB;
    --accent-glow: rgba(37,99,235,0.12);
}

/* =========================
   RESET
========================= */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family:'DM Sans',sans-serif;
    background:var(--bg);
    color:var(--text);
    overflow-x:hidden;
    transition:background var(--tr), color var(--tr);
    line-height:1.65;
}

/* =========================
   CANVAS
========================= */
#bg-canvas {
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
}
.header, .hero, .page-hero, .skills-section, .services-section, .certs-section, .works-section,
.blog-section, .social-section, .contact-section, .footer, main {
    position:relative;
    z-index:1;
}

/* =========================
   ACCESSIBILITY — SKIP LINK
========================= */
.skip-link {
    position: absolute;
    top: -100px;
    right: 16px;
    z-index: 1000;
    background: var(--accent);
    color: #05130d;
    font-weight: 600;
    font-size: 13px;
    padding: 10px 18px;
    border-radius: var(--r-sm);
    text-decoration: none;
    transition: top var(--tr);
}
.skip-link:focus {
    top: 16px;
}

/* =========================
   SCROLLBAR
========================= */
::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--blue-700); border-radius:20px; }

/* =========================
   HEADER
========================= */
.header {
    position:fixed;
    top:0; left:0; right:0;
    z-index:1000;
    padding:12px 20px;
}

.navbar {
    max-width:1100px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    background:rgba(6,13,27,0.78);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border:1px solid var(--border-2);
    border-radius:var(--r-lg);
    padding:8px 16px;
    transition:border-color var(--tr);
}
body.light .navbar { background:rgba(240,245,255,0.82); }
.header.scrolled .navbar { border-color:var(--border-3); }

/* Logo */
.logo { text-decoration:none; }
.logo-box {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px; height:36px;
    background:var(--blue-700);
    color:#fff;
    font-family:'DM Serif Display',serif;
    font-size:16px;
    border-radius:9px;
    letter-spacing:0.03em;
    transition:background var(--tr);
}
.logo-box:hover { background:var(--blue-600); }

/* Nav links */
.nav-menu { display:flex; list-style:none; gap:4px; }
.nav-link {
    text-decoration:none;
    color:var(--text-2);
    font-size:13.5px;
    font-weight:400;
    padding:6px 14px;
    border-radius:50px;
    transition:all var(--tr);
}
.nav-link:hover { color:var(--text); background:var(--bg-hover); }
.nav-link.active { color:var(--accent); background:var(--accent-glow); }

/* Buttons */
.nav-actions { display:flex; align-items:center; gap:8px; }
.icon-btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px; height:36px;
    background:none;
    border:1px solid var(--border-2);
    border-radius:9px;
    color:var(--text-2);
    font-size:14px;
    cursor:pointer;
    transition:all var(--tr);
}
.icon-btn:hover { border-color:var(--border-3); color:var(--text); background:var(--bg-hover); }

/* Burger */
.burger { display:flex; flex-direction:column; gap:4px; width:15px; }
.burger span {
    display:block;
    height:1.5px;
    background:var(--text-2);
    border-radius:2px;
    transition:all 0.28s ease;
    transform-origin:center;
}
.mobile-menu-btn { display:none; }
.mobile-menu-btn.open .burger span:nth-child(1) { transform:translateY(5.5px) rotate(45deg); background:var(--accent); }
.mobile-menu-btn.open .burger span:nth-child(2) { opacity:0; }
.mobile-menu-btn.open .burger span:nth-child(3) { transform:translateY(-5.5px) rotate(-45deg); background:var(--accent); }

/* =========================
   MOBILE DRAWER
========================= */
.mobile-drawer {
    display:none;
    position:absolute;
    top:calc(100% + 6px);
    left:20px; right:20px;
    background:var(--bg-card);
    border:1px solid var(--border-3);
    border-radius:var(--r-lg);
    padding:10px;
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    transform:translateY(-6px);
    opacity:0;
    transition:all 0.28s cubic-bezier(0.4,0,0.2,1);
    pointer-events:none;
}
.mobile-drawer.open {
    display:block;
    transform:translateY(0);
    opacity:1;
    pointer-events:all;
}
.mobile-drawer ul { list-style:none; display:flex; flex-direction:column; gap:2px; }
.drawer-link {
    display:block;
    text-decoration:none;
    color:var(--text-2);
    font-size:14px;
    padding:11px 16px;
    border-radius:var(--r-sm);
    transition:all var(--tr);
}
.drawer-link:hover { color:var(--text); background:var(--bg-hover); }
.drawer-link.active { color:var(--accent); background:var(--accent-glow); }

/* =========================
   HERO
========================= */
.hero {
    min-height:100vh;
    display:flex;
    align-items:center;
    padding-top:80px;
}

.hero-inner {
    max-width:1100px;
    margin:0 auto;
    padding:50px 24px 60px;
    display:grid;
    grid-template-columns:1fr 300px;
    gap:70px;
    align-items:center;
    width:100%;
}

/* Badge */
.hero-badge {
    display:inline-flex;
    align-items:center;
    gap:9px;
    font-size:11.5px;
    color:var(--blue-300);
    letter-spacing:0.09em;
    text-transform:uppercase;
    margin-bottom:22px;
    padding:6px 14px;
    border:1px solid var(--border-2);
    border-radius:50px;
    background:rgba(59,130,246,0.07);
}

.pulse-dot {
    width:7px; height:7px;
    border-radius:50%;
    background:#4ade80;
    flex-shrink:0;
    animation:pulse 2s infinite;
}
@keyframes pulse {
    0%   { box-shadow:0 0 0 0 rgba(74,222,128,0.5); }
    70%  { box-shadow:0 0 0 8px rgba(74,222,128,0); }
    100% { box-shadow:0 0 0 0 rgba(74,222,128,0); }
}

/* Name */
.hero-name {
    font-family:'DM Serif Display',serif;
    font-size:64px;
    line-height:1.02;
    font-weight:400;
    letter-spacing:-0.025em;
    margin-bottom:16px;
}
.hero-name em { font-style:italic; color:var(--accent); }

/* Sub-role tags */
.hero-roles {
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:14px;
}
.role-tag {
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    color:var(--text-2);
    background:var(--bg-card);
    border:1px solid var(--border-2);
    border-radius:6px;
    padding:5px 12px;
}
.role-tag i { font-size:11px; color:var(--accent); }
.role-sep { color:var(--text-muted); font-size:14px; }

/* Typing */
.hero-role {
    font-size:15.5px;
    color:var(--text-2);
    margin-bottom:18px;
    min-height:24px;
    display:flex;
    align-items:center;
    gap:2px;
}
.cursor { color:var(--accent); animation:blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Desc */
.hero-desc {
    font-size:14.5px;
    line-height:1.85;
    color:var(--text-2);
    max-width:450px;
    margin-bottom:32px;
    font-weight:300;
}

/* Buttons */
.hero-buttons { display:flex; gap:10px; flex-wrap:wrap; }
.btn {
    text-decoration:none;
    font-family:'DM Sans',sans-serif;
    font-size:13.5px;
    font-weight:500;
    padding:11px 22px;
    border-radius:var(--r-sm);
    transition:all 0.22s ease;
    cursor:pointer;
    border:none;
    display:inline-flex;
    align-items:center;
    gap:7px;
}
.btn-primary {
    background:var(--blue-600);
    color:#fff;
    box-shadow:0 0 18px rgba(59,130,246,0.28);
}
.btn-primary:hover {
    background:var(--blue-500);
    transform:translateY(-2px);
    box-shadow:0 4px 22px rgba(59,130,246,0.42);
}
.btn-outline {
    background:none;
    color:var(--text-2);
    border:1px solid var(--border-2);
}
.btn-outline:hover {
    border-color:var(--border-3);
    color:var(--text);
    background:var(--bg-hover);
    transform:translateY(-2px);
}

/* Avatar */
.hero-image-wrap { display:flex; justify-content:center; align-items:center; }
.avatar-ring {
    position:relative;
    width:260px; height:260px;
}
.avatar-ring::before {
    content:'';
    position:absolute;
    inset:-3px;
    border-radius:50%;
    background:conic-gradient(
        var(--blue-600) 0deg,
        var(--blue-400) 120deg,
        transparent 160deg,
        transparent 200deg,
        var(--blue-700) 240deg,
        var(--blue-600) 360deg
    );
    animation:spin-ring 9s linear infinite;
}
@keyframes spin-ring { to { transform:rotate(360deg); } }
.avatar-inner {
    position:relative;
    z-index:1;
    width:100%; height:100%;
    border-radius:50%;
    overflow:hidden;
    border:4px solid var(--bg);
    background:var(--bg-card);
    display:flex;
    align-items:center;
    justify-content:center;
    font-family:'DM Serif Display',serif;
    font-size:60px;
    color:var(--text-2);
}
.avatar-inner img { width:100%; height:100%; object-fit:cover; display:block; }

/* =========================
   SECTION SHARED
========================= */
.section-header { text-align:center; margin-bottom:44px; }
.section-label {
    display:inline-block;
    font-size:11px;
    color:var(--accent);
    letter-spacing:0.13em;
    text-transform:uppercase;
    margin-bottom:12px;
    padding:4px 14px;
    border:1px solid var(--border-2);
    border-radius:50px;
    background:var(--accent-glow);
}
.section-header h2 {
    font-family:'DM Serif Display',serif;
    font-size:38px;
    font-weight:400;
    letter-spacing:-0.01em;
    margin-bottom:10px;
}
.section-header p { font-size:13.5px; color:var(--text-2); font-weight:300; }

/* =========================
   SKILLS
========================= */
.skills-section {
    padding:var(--section-py) 24px;
    max-width:1100px;
    margin:0 auto;
}

.skills-table {
    border:1px solid var(--border-2);
    border-radius:var(--r-lg);
    overflow:hidden;
}

.skill-row {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    border-bottom:1px solid var(--border);
}
.skill-row:last-child { border-bottom:none; }

/* last row: single cell should not stretch */
.skill-row--last {
    grid-template-columns:repeat(3,1fr);
}

.skill-cell {
    display:flex;
    align-items:center;
    gap:12px;
    padding:18px 22px;
    border-right:1px solid var(--border);
    background:var(--bg-card);
    transition:background var(--tr);
    cursor:default;
}
.skill-cell:last-child { border-right:none; }
.skill-cell:hover { background:var(--bg-hover); }
.skill-cell i {
    font-size:22px;
    color:var(--blue-400);
    width:24px;
    text-align:center;
    flex-shrink:0;
    transition:color var(--tr), transform var(--tr);
}
.skill-cell:hover i { color:var(--blue-300); transform:scale(1.15); }
.skill-info { display:flex; flex-direction:column; gap:1px; }
.skill-name { font-size:13.5px; font-weight:500; color:var(--text); }
.skill-cat  { font-size:10.5px; color:var(--text-muted); letter-spacing:0.03em; }

/* =========================
   SOCIAL
========================= */
.social-section {
    padding:var(--section-py) 24px;
    max-width:1100px;
    margin:0 auto;
}

.social-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
    gap:14px;
    max-width:900px;
    margin:0 auto;
}

.social-card {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:12px;
    padding:28px 20px 22px;
    background:var(--bg-card);
    border:1px solid var(--border-2);
    border-radius:var(--r-lg);
    text-decoration:none;
    color:var(--text);
    transition:all var(--tr);
    position:relative;
}
.social-card:hover {
    transform:translateY(-4px);
    border-color:var(--border-3);
    background:var(--bg-hover);
}

/* Per-platform accent color on hover */
.social-card[data-platform="github"]:hover   { box-shadow:0 8px 28px rgba(36,41,47,0.4); }
.social-card[data-platform="instagram"]:hover{ box-shadow:0 8px 28px rgba(193,53,132,0.25); }
.social-card[data-platform="linkedin"]:hover { box-shadow:0 8px 28px rgba(0,119,181,0.25); }
.social-card[data-platform="telegram"]:hover { box-shadow:0 8px 28px rgba(0,136,204,0.25); }
.social-card[data-platform="bale"]:hover     { box-shadow:0 8px 28px rgba(59,130,246,0.25); }

.social-icon-wrap {
    width:52px; height:52px;
    border-radius:14px;
    background:rgba(59,130,246,0.08);
    border:1px solid var(--border-2);
    display:flex;
    align-items:center;
    justify-content:center;
    transition:all var(--tr);
    font-size:22px;
    color:var(--accent);
}

/* Platform-specific icon colors */
.social-card[data-platform="github"]    .social-icon-wrap { color:#e2e8f0; }
.social-card[data-platform="instagram"] .social-icon-wrap { color:#e1306c; }
.social-card[data-platform="linkedin"]  .social-icon-wrap { color:#0a66c2; }
.social-card[data-platform="telegram"]  .social-icon-wrap { color:#26a5e4; }
.social-card[data-platform="bale"]      .social-icon-wrap { color:var(--blue-400); }

.social-card:hover .social-icon-wrap {
    transform:scale(1.08);
    border-color:var(--border-3);
}

/* Bale SVG sizing */
.bale-logo {
    width:24px; height:24px;
    color:inherit;
    display:block;
}

.social-info {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:3px;
    text-align:center;
}
.social-platform { font-size:14px; font-weight:500; color:var(--text); }
.social-handle   { font-size:12px; color:var(--text-muted); }

.social-ext {
    position:absolute;
    top:14px; right:14px;
    font-size:11px;
    color:var(--text-muted);
    opacity:0;
    transition:opacity var(--tr);
}
.social-card:hover .social-ext { opacity:1; }

/* =========================
   CONTACT
========================= */
.contact-section {
    padding:var(--section-py) 24px;
    max-width:1100px;
    margin:0 auto;
}

.contact-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:14px;
    max-width:720px;
    margin:0 auto;
}

.contact-card {
    display:flex;
    align-items:center;
    gap:14px;
    padding:22px 24px;
    background:var(--bg-card);
    border:1px solid var(--border-2);
    border-radius:var(--r-lg);
    text-decoration:none;
    color:var(--text);
    transition:all var(--tr);
}
.contact-card:hover {
    border-color:var(--border-3);
    background:var(--bg-hover);
    transform:translateY(-3px);
    box-shadow:0 8px 28px var(--accent-glow);
}

.contact-icon {
    width:42px; height:42px;
    border-radius:var(--r-sm);
    background:rgba(59,130,246,0.10);
    border:1px solid var(--border-2);
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
    transition:all var(--tr);
    font-size:16px;
    color:var(--blue-400);
}
.contact-card:hover .contact-icon {
    background:var(--blue-600);
    border-color:var(--blue-600);
    color:#fff;
}

.contact-info { flex:1; display:flex; flex-direction:column; gap:2px; }
.contact-label { font-size:10.5px; color:var(--text-muted); letter-spacing:0.07em; text-transform:uppercase; }
.contact-value { font-size:13.5px; font-weight:500; }

.contact-arrow { font-size:12px; color:var(--text-muted); transition:all var(--tr); }
.contact-card:hover .contact-arrow { color:var(--accent); transform:translateX(4px); }

/* =========================
   CONTACT FORM
========================= */
.contact-form-wrap {
    max-width: 640px;
    margin: 40px auto 0;
    background: var(--bg-card);
    border: 1px solid var(--border-2);
    border-radius: var(--r-lg);
    padding: 32px;
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-2);
}

.form-group input,
.form-group textarea {
    font-family: 'DM Sans', sans-serif;
    font-size: 13.5px;
    color: var(--text);
    background: var(--bg-2);
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    padding: 12px 14px;
    outline: none;
    transition: all var(--tr);
    resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-submit {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: #fff;
    background: var(--blue-600);
    border: 1px solid var(--blue-600);
    border-radius: var(--r-sm);
    padding: 12px 26px;
    cursor: pointer;
    transition: all var(--tr);
}
.form-submit:hover {
    background: var(--blue-500);
    box-shadow: 0 4px 18px var(--accent-glow);
}

.form-note {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    display: none;
}
.form-note.show { display: block; }

@media (max-width: 600px) {
    .contact-form-wrap { padding: 22px; }
    .form-row { grid-template-columns: 1fr; }
}

/* =========================
   FOOTER
========================= */
.footer {
    text-align:center;
    padding:28px 24px;
    border-top:1px solid var(--border);
    font-size:12.5px;
    color:var(--text-muted);
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    flex-wrap:wrap;
}
.footer-dot { opacity:0.35; }
.footer-love i { color:#f87171; animation:hb 1.8s infinite ease-in-out; }
@keyframes hb { 0%,100%{transform:scale(1)} 30%{transform:scale(1.35)} 60%{transform:scale(1)} 80%{transform:scale(1.2)} }

/* =========================
   RESPONSIVE — TABLET (≤960px)
========================= */
@media (max-width:960px) {
    .hero-inner {
        grid-template-columns:1fr;
        gap:40px;
        text-align:center;
        padding:44px 20px 56px;
    }
    .hero-content { display:flex; flex-direction:column; align-items:center; }
    .hero-roles { justify-content:center; }
    .hero-desc { margin-left:auto; margin-right:auto; }
    .hero-buttons { justify-content:center; }
    .hero-image-wrap { justify-content:center; }
    .avatar-ring { width:220px; height:220px; }
}

/* =========================
   RESPONSIVE — MOBILE (≤768px)
========================= */
@media (max-width:768px) {
    :root {
        --section-py: var(--section-py-mobile);
    }

    .nav-menu { display:none; }
    .mobile-menu-btn { display:inline-flex; }

    .hero { padding-top:72px; min-height:auto; }
    .hero-inner { padding:36px 18px 48px; gap:32px; }
    .hero-name { font-size:46px; }
    .hero-role { font-size:14.5px; }
    .hero-desc { font-size:13.5px; }
    .avatar-ring { width:190px; height:190px; }

    /* Skills: 2 per row on mobile */
    .skill-row {
        grid-template-columns:repeat(2,1fr);
    }
    .skill-cell { padding:14px 16px; gap:10px; }
    .skill-cell i { font-size:19px; }
    .skill-name { font-size:12.5px; }
    .skill-cat  { font-size:10px; }
    /* fix border on 2-col layout */
    .skill-cell:nth-child(2n) { border-right:none; }
    .skill-cell:nth-child(2n+1) { border-right:1px solid var(--border); }

    /* Social: 2 per row */
    .social-grid { grid-template-columns:repeat(2,1fr); gap:10px; }
    .social-card { padding:20px 14px 16px; gap:8px; }
    .social-icon-wrap { width:44px; height:44px; font-size:20px; border-radius:12px; }
    .social-platform { font-size:13px; }
    .social-handle { font-size:11px; }

    .contact-grid { gap:10px; }

    .section-header { margin-bottom:32px; }
    .section-header h2 { font-size:30px; }

    .skills-section,
    .social-section,
    .contact-section { padding:48px 18px; }
        .hero-inner{
        display:flex;
        flex-direction:column;
    }

    .hero-image-wrap{
        order:1;
    }

    .hero-buttons{
        order:2;
        width:100%;
        margin-top:20px;
    }

    .hero-content > *:not(.hero-buttons){
        order:0;
    }
}

/* =========================
   RESPONSIVE — SMALL (≤420px)
========================= */
@media (max-width:420px) {
    .hero-name { font-size:38px; }
    .hero-roles { gap:6px; }
    .role-sep { display:none; }
    .btn { width:100%; justify-content:center; }
    .avatar-ring { width:170px; height:170px; }

    /* skills stay 2 col on small screens — looks fine */
}


        /* =========================
           SERVICES — کارهایی که انجام می‌دهم
        ========================= */
        .services-section {
            padding: var(--section-py) 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 16px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-2);
            border-radius: var(--r-lg);
            padding: 26px 22px;
            transition: all var(--tr);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-3);
            box-shadow: 0 12px 32px var(--accent-glow);
            background: var(--bg-hover);
        }

        .service-icon {
            width: 50px; height: 50px;
            border-radius: var(--r-sm);
            background: rgba(59,130,246,0.10);
            border: 1px solid var(--border-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 16px;
            transition: all var(--tr);
        }
        .service-card:hover .service-icon {
            background: var(--blue-700);
            border-color: var(--blue-600);
            color: #fff;
        }

        .service-title {
            font-size: 15.5px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 8px;
        }

        .service-desc {
            font-size: 13px;
            line-height: 1.85;
            color: var(--text-2);
            font-weight: 300;
        }

        @media (max-width: 600px) {
            .services-section { padding: var(--section-py-mobile) 18px; }
            .services-grid { grid-template-columns: 1fr; }
        }

        /* =========================
           CERTIFICATES
        ========================= */
        .certs-section {
            padding: var(--section-py) 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .certs-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }

        .cert-card {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-2);
            border-radius: var(--r-lg);
            transition: all var(--tr);
            text-decoration: none;
            color: var(--text);
            cursor: default;
            position: relative;
            overflow: hidden;
        }

        .cert-card::before {
            content: '';
            position: absolute;
            left: 0; top: 0; bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--blue-500), var(--blue-700));
            border-radius: 0 2px 2px 0;
            opacity: 0;
            transition: opacity var(--tr);
        }

        .cert-card:hover {
            border-color: var(--border-3);
            background: var(--bg-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px var(--accent-glow);
        }
        .cert-card:hover::before { opacity: 1; }

        .cert-icon {
            width: 46px; height: 46px;
            border-radius: var(--r-sm);
            background: rgba(16, 185, 129, 0.10);
            border: 1px solid var(--border-2);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
            color: var(--blue-400);
            transition: all var(--tr);
        }
        .cert-card:hover .cert-icon {
            background: var(--blue-700);
            border-color: var(--blue-600);
            color: #fff;
        }

        .cert-body {
            flex: 1;
            min-width: 0;
        }

        .cert-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .cert-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cert-issuer {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--text-2);
        }
        .cert-issuer i { font-size: 10px; color: var(--accent); }

        .cert-date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        .cert-date i { font-size: 10px; }

        .cert-badge {
            flex-shrink: 0;
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--blue-300);
            background: rgba(59,130,246,0.10);
            border: 1px solid var(--border-2);
            border-radius: 50px;
            padding: 3px 11px;
        }

        /* Responsive */
        @media (max-width: 600px) {
            .cert-card { gap: 12px; padding: 16px 16px; }
            .cert-icon { width: 40px; height: 40px; font-size: 15px; }
            .cert-name { font-size: 13px; }
            .cert-badge { display: none; }
        }

/* =========================
   WORKS / PORTFOLIO
========================= */
.works-section {
    padding: var(--section-py) 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.work-card {
    background: var(--bg-card);
    border: 1px solid var(--border-2);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: all var(--tr);
    display: flex;
    flex-direction: column;
}
.work-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-3);
    box-shadow: 0 12px 32px var(--accent-glow);
}

.work-thumb {
    width: 100%;
    aspect-ratio: 1000 / 400;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.work-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--bg-card);
}

.work-thumb:hover img {
    transform: scale(1.03);
}
.work-card:hover .work-thumb img {
    transform: scale(1.05);
}

.work-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.work-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.work-title { font-size: 15.5px; font-weight: 500; color: var(--text); }

.work-status {
    flex-shrink: 0;
    font-size: 9.5px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--blue-300);
    background: rgba(59,130,246,0.10);
    border: 1px solid var(--border-2);
    border-radius: 50px;
    padding: 3px 10px;
    white-space: nowrap;
}

.work-desc {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-2);
    font-weight: 300;
    margin-bottom: 16px;
    flex: 1;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 18px;
}
.work-tag {
    font-size: 10.5px;
    color: var(--text-2);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 3px 10px;
}

.work-links { display: flex; gap: 8px; }
.work-link {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 500;
    padding: 9px 12px;
    border-radius: var(--r-sm);
    text-decoration: none;
    border: 1px solid var(--border-2);
    color: var(--text-2);
    transition: all var(--tr);
}
.work-link:hover {
    border-color: var(--border-3);
    color: var(--text);
    background: var(--bg-hover);
}
.work-link.primary {
    background: var(--blue-600);
    color: #fff;
    border-color: var(--blue-600);
}
.work-link.primary:hover {
    background: var(--blue-500);
    box-shadow: 0 4px 18px rgba(59,130,246,0.35);
}

@media (max-width: 768px) {
    .works-section { padding: 48px 18px; }
    .works-grid { grid-template-columns: 1fr; gap: 14px; }
    .work-thumb { aspect-ratio: 1000 / 500; }
    .work-thumb i { font-size: 34px; }
}

/* =========================
   STANDALONE PAGE HERO
   (used by blog.html / post pages — header/footer only, no one-page sections)
========================= */
.page-hero {
    padding: 150px 24px 40px;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}
.page-hero .section-label { display:inline-block; }
.page-hero h1 {
    font-family:'DM Serif Display', serif;
    font-size: 42px;
    font-weight: 400;
    color: var(--text);
    margin: 10px 0 10px;
}
.page-hero p {
    font-size: 14px;
    color: var(--text-2);
    font-weight: 300;
    max-width: 560px;
    margin: 0 auto;
}
.breadcrumb-back {
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12.5px;
    color: var(--text-2);
    text-decoration:none;
    margin-bottom: 18px;
    transition: color var(--tr);
}
.breadcrumb-back:hover { color: var(--accent); }

@media (max-width:768px) {
    .page-hero { padding: 120px 20px 32px; }
    .page-hero h1 { font-size: 30px; }
}

/* =========================
   BLOG — LISTING
========================= */
.blog-section {
    padding: 20px 24px var(--section-py);
    max-width: 1100px;
    margin: 0 auto;
}
/* when used as a homepage one-page section (not the standalone blog.html list,
   which already gets top spacing from .page-hero above it) */
#blog.blog-section {
    padding-top: var(--section-py);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-2);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: all var(--tr);
    display: flex;
    flex-direction: column;
    text-decoration: none;
}
.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-3);
    box-shadow: 0 12px 32px var(--accent-glow);
}

.blog-thumb {
    width: 100%;
    aspect-ratio: 1000 / 400;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-hover), var(--bg-card));
}

.blog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}

.blog-card:hover .blog-thumb img {
    transform: scale(1.05);
}

.blog-thumb i {
    font-size: 40px;
    color: var(--accent);
    opacity: 0.55;
}


/* تبلت */
@media (max-width: 768px) {
    .blog-thumb {
        aspect-ratio: 16 / 7;
    }

    .blog-thumb i {
        font-size: 34px;
    }
}


/* موبایل */
@media (max-width: 480px) {
    .blog-thumb {
        aspect-ratio: 16 / 9;
    }

    .blog-thumb i {
        font-size: 32px;
    }
}
.blog-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-meta {
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom: 10px;
    font-size: 11px;
    color: var(--text-muted);
}
.blog-meta .blog-cat {
    color: var(--blue-300);
    background: rgba(59,130,246,0.10);
    border: 1px solid var(--border-2);
    border-radius: 50px;
    padding: 3px 10px;
    font-weight: 500;
    letter-spacing:0.02em;
}

.blog-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.blog-excerpt {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-2);
    font-weight: 300;
    margin-bottom: 18px;
    flex: 1;
}

.blog-readmore {
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--accent);
}
.blog-card:hover .blog-readmore { gap:10px; }
.blog-readmore i { font-size: 11px; transition: transform var(--tr); }

@media (max-width: 768px) {
    .blog-section { padding: 10px 18px 48px; }
    .blog-grid { grid-template-columns: 1fr; gap: 14px; }
}

/* =========================
   BLOG — SINGLE POST
========================= */
.post-article {
    max-width: 720px;
    margin: 0 auto;
    padding: 10px 24px 100px;
}

.post-meta {
    display:flex;
    align-items:center;
    justify-content:center;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom: 14px;
    font-size: 12px;
    color: var(--text-muted);
}
.post-meta .blog-cat {
    color: var(--blue-300);
    background: rgba(59,130,246,0.10);
    border: 1px solid var(--border-2);
    border-radius: 50px;
    padding: 3px 10px;
    font-weight: 500;
}

.post-cover {
    width: 100%;
    aspect-ratio: 1000 / 400;
    border-radius: var(--r-lg);
    border: 1px solid var(--border-2);
    background: linear-gradient(135deg, var(--bg-hover), var(--bg-card));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: 24px 0 36px;
    position: relative;
}

.post-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.post-cover i {
    font-size: 54px;
    color: var(--accent);
    opacity: 0.5;
}


/* موبایل */
@media (max-width: 768px) {
    .post-cover {
        aspect-ratio: 1000 / 500;
        border-radius: 16px;
        margin: 20px 0 28px;
    }

    .post-cover i {
        font-size: 42px;
    }
}


/* موبایل کوچک */
@media (max-width: 480px) {
    .post-cover {
        aspect-ratio: 4 / 3;
        border-radius: 14px;
    }

    .post-cover i {
        font-size: 36px;
    }
}

.post-body {
    font-size: 14.5px;
    line-height: 2;
    color: var(--text-2);
    font-weight: 300;
}
.post-body h2 {
    font-size: 20px;
    font-weight: 500;
    color: var(--text);
    margin: 36px 0 14px;
}
.post-body p { margin-bottom: 18px; }
.post-body ul { margin: 0 0 18px 0; padding-inline-start: 20px; }
.post-body li { margin-bottom: 8px; }
.post-body strong { color: var(--text); font-weight: 500; }
.post-body code {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 2px 6px;
    font-size: 13px;
    color: var(--accent);
}

.post-tags {
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.post-tags .work-tag { font-size: 11px; }

.post-nav {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display:flex;
    justify-content:space-between;
    gap: 16px;
}
.post-nav a {
    flex:1;
    display:flex;
    flex-direction:column;
    gap:4px;
    padding: 14px 18px;
    border: 1px solid var(--border-2);
    border-radius: var(--r-md);
    text-decoration:none;
    color: var(--text-2);
    font-size: 12.5px;
    transition: all var(--tr);
}
.post-nav a:hover { border-color: var(--border-3); color: var(--text); background: var(--bg-hover); }
.post-nav a span.label { font-size: 10.5px; color: var(--text-muted); text-transform:uppercase; letter-spacing:0.05em; }
.post-nav a.next { text-align: right; align-items: flex-end; }

@media (max-width: 600px) {
    .post-nav { flex-direction: column; }
    .post-nav a.next { text-align:left; align-items:flex-start; }
}