/* ── Local font faces ── */
@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('fonts/JetBrainsMono-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('fonts/JetBrainsMono-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Vazirmatn';
    src: url('fonts/Vazirmatn-UI-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Vazirmatn';
    src: url('fonts/Vazirmatn-UI-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
}

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface-2: #1a1a26;
    --surface-3: #222230;
    --accent: #6c5ce7;
    --accent-2: #00cec9;
    --accent-3: #fd79a8;
    --accent-glow: rgba(108, 92, 231, 0.35);
    --text: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --border: #252535;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--surface-3) var(--bg);
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 3px; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Base typography ── */
html[lang="en"] body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

html[lang="fa"] body {
    font-family: 'Vazirmatn', 'Inter', system-ui, sans-serif;
}

/* Monospace elements – keep JetBrains Mono for English, fallback for Persian */
html[lang="en"] .skill-chip,
html[lang="en"] .project-tech span,
html[lang="en"] .section-label,
html[lang="en"] .blog-meta,
html[lang="en"] .modal-meta {
    font-family: 'JetBrains Mono', monospace;
}

html[lang="fa"] .skill-chip,
html[lang="fa"] .project-tech span,
html[lang="fa"] .section-label,
html[lang="fa"] .blog-meta,
html[lang="fa"] .modal-meta {
    font-family: 'Vazirmatn', 'JetBrains Mono', monospace;
}

/* Animated background grid */
.bg-grid {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, black 30%, transparent 70%);
}

.bg-orb {
    position: fixed; border-radius: 50%; filter: blur(120px); pointer-events: none; z-index: 0; opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}
.bg-orb--1 { width: 500px; height: 500px; background: var(--accent); top: -15%; left: -10%; }
.bg-orb--2 { width: 400px; height: 400px; background: var(--accent-2); bottom: -10%; right: -8%; animation-delay: -7s; }
.bg-orb--3 { width: 350px; height: 350px; background: var(--accent-3); top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -14s; opacity: 0.2; }

@keyframes orbFloat {
    0%,100% { transform: translate(0,0) scale(1); }
    25% { transform: translate(60px,-40px) scale(1.1); }
    50% { transform: translate(-30px,50px) scale(0.9); }
    75% { transform: translate(-50px,-30px) scale(1.05); }
}

/* Layout */
.container { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* Navbar */
.navbar {
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    background: rgba(10,10,15,0.7); border-bottom: 1px solid var(--border);
}
.navbar .container {
    display: flex; align-items: center; justify-content: space-between; height: 60px;
    flex-wrap: wrap;
}
.nav-logo {
    font-weight: 800; font-size: 1.25rem; letter-spacing: -0.5px; color: var(--text);
    text-decoration: none; display: flex; align-items: center; gap: 8px;
}
.nav-logo span { color: var(--accent-2); }
.nav-links {
    display: flex; gap: 8px; list-style: none; flex-wrap: wrap;
}
.nav-links a {
    color: var(--text-secondary); text-decoration: none; font-size: 0.875rem; font-weight: 500;
    padding: 8px 14px; border-radius: 50px; transition: var(--transition); letter-spacing: -0.2px;
}
.nav-links a:hover { color: #fff; background: var(--surface-2); }
.nav-cta { background: var(--accent) !important; color: #fff !important; font-weight: 600 !important; }
.nav-cta:hover { background: #7c6ff7 !important; box-shadow: 0 0 25px var(--accent-glow); }

.lang-btn {
    background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
    padding: 8px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
    cursor: pointer; transition: var(--transition); letter-spacing: -0.2px;
    margin-left: 10px;
}
.lang-btn:hover { border-color: var(--accent); background: var(--surface-3); }

/* Hero */
.hero { padding: 80px 0 50px; text-align: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; background: var(--surface-2);
    border: 1px solid var(--border); padding: 8px 18px; border-radius: 50px;
    font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 28px;
    letter-spacing: -0.2px;
}
.hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%; background: #00e676;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100% { box-shadow: 0 0 0 0 rgba(0,230,118,0.6); } 50% { box-shadow: 0 0 0 12px rgba(0,230,118,0); } }
.hero h1 {
    font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 900; letter-spacing: -2px;
    line-height: 1.05; margin-bottom: 16px;
}
.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent-2), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle { font-size: 1.2rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; }
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; }
.hero-tag {
    background: var(--surface-2); border: 1px solid var(--border); padding: 10px 18px;
    border-radius: 50px; font-size: 0.85rem; font-weight: 500; color: var(--text);
    display: flex; align-items: center; gap: 7px; transition: var(--transition);
}
.hero-tag:hover { border-color: var(--accent); background: var(--surface-3); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.3); }

.hero-avatar {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

    .hero-avatar img {
        width: 120px;
        height: 120px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--accent-2);
        box-shadow: 0 0 30px rgba(0, 206, 201, 0.25);
        transition: var(--transition);
    }

        .hero-avatar img:hover {
            transform: scale(1.05);
            box-shadow: 0 0 45px rgba(0, 206, 201, 0.5);
        }

/* Sections */
.section { padding: 60px 0; }
.section-label {
    font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px; color: var(--accent-2); margin-bottom: 8px;
}
.section-title { font-size: 2.2rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 36px; line-height: 1.15; }

/* Projects Grid */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.project-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px 24px; transition: var(--transition); cursor: pointer; position: relative;
    overflow: hidden; display: flex; flex-direction: column; gap: 14px;
}
.project-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2)); opacity: 0; transition: var(--transition);
}
.project-card:hover { border-color: #3a3a55; transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.project-card:hover::before { opacity: 1; }
.project-icon {
    font-size: 2.2rem; width: 52px; height: 52px; border-radius: var(--radius-sm);
    background: var(--surface-2); display: flex; align-items: center; justify-content: center;
}
.project-card h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.5px; color: #fff; }
.project-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.55; flex-grow: 1; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tech span {
    font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; font-weight: 500;
    background: var(--surface-3); color: var(--text-secondary); padding: 5px 10px;
    border-radius: var(--radius-xs); letter-spacing: -0.2px;
}
.project-card:hover .project-tech span { color: #ccc; background: #2a2a3a; }
.project-link { font-size: 0.85rem; font-weight: 600; color: var(--accent-2); text-decoration: none; display: inline-flex; align-items: center; gap: 4px; margin-top: auto; }
.project-link:hover { gap: 8px; color: #fff; }

/* Skills */
.skills-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-chip {
    font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; font-weight: 500;
    background: var(--surface-2); border: 1px solid var(--border); padding: 10px 16px;
    border-radius: 50px; color: var(--text); transition: var(--transition);
}
.skill-chip:hover { border-color: var(--accent); background: var(--surface-3); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); color: #fff; }

/* Contact */
.contact-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 32px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
}
.contact-card:hover { border-color: #3a3a55; box-shadow: var(--shadow-card); }
.contact-info h3 { font-size: 1.4rem; font-weight: 700; }
.contact-info p { color: var(--text-secondary); font-size: 0.9rem; }
.contact-links { display: flex; flex-wrap: wrap; gap: 10px; }
.contact-link {
    display: inline-flex; align-items: center; gap: 8px; background: var(--surface-2);
    border: 1px solid var(--border); padding: 12px 20px; border-radius: 50px;
    color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.9rem; transition: var(--transition);
}
.contact-link:hover { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 0 30px var(--accent-glow); transform: translateY(-2px); }
.contact-link .contact-icon { display: inline-flex; align-items: center; justify-content: center; }
.contact-link .contact-icon svg { display: block; }

/* Footer */
.footer { text-align: center; padding: 30px 0; color: var(--text-muted); font-size: 0.8rem; border-top: 1px solid var(--border); margin-top: 20px; }

/* Modal */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
    z-index: 200; display: none; align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    max-width: 600px; width: 90%; padding: 32px; position: relative;
    animation: modalIn 0.3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-close {
    position: absolute; top: 16px; right: 16px; background: none; border: none; color: var(--text-muted);
    font-size: 2rem; cursor: pointer; line-height: 1; transition: var(--transition);
}
.modal-close:hover { color: #fff; }
.modal-icon { font-size: 2.2rem; margin-bottom: 12px; }
.modal-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.modal-description { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.6; }
.modal-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.modal-tech span {
    font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; background: var(--surface-3);
    color: var(--text-secondary); padding: 5px 10px; border-radius: var(--radius-xs);
}
.modal-link { color: var(--accent-2); font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.modal-link:hover { color: #fff; }

/* Responsive */
@media (max-width: 768px) {
    .hero { padding: 50px 0 30px; }
    .hero h1 { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .section-title { font-size: 1.6rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .navbar .container { height: auto; padding: 8px 0; flex-wrap: wrap; }
    .nav-links a { font-size: 0.75rem; padding: 6px 10px; }
    .contact-card { flex-direction: column; text-align: center; }
    .contact-links { justify-content: center; }
}
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.8rem; }
    .hero-tags { gap: 6px; }
    .hero-tag { font-size: 0.75rem; padding: 8px 12px; }
    .project-card { padding: 20px 16px; }
    .section { padding: 40px 0; }
}

/* ── Load more button & no more message ── */
.load-more-wrap {
    text-align: center;
    margin-top: 40px;
}

.load-more-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

    .load-more-btn:hover {
        border-color: var(--accent);
        background: var(--surface-3);
        box-shadow: 0 0 25px var(--accent-glow);
    }

.no-more {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 16px;
    display: none;
}

/* ── Social Grid ── */
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.social-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}
.social-card:hover {
    border-color: #3a3a55;
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}
.social-card .social-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.social-card .social-platform-icon {
    font-size: 1.4rem;
}
.social-card .social-platform-name {
    font-size: 0.5rem;
    color: var(--text-muted);
}
html[lang="en"] .social-card .social-date {
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
}
html[lang="fa"] .social-card .social-date {
    font-family: 'Vazirmatn', 'JetBrains Mono', monospace;
}
.social-card .social-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 10px;
}
.social-card .social-link {
    color: var(--accent-2);
    font-weight: 600;
    font-size: 0.8rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.social-card .social-link:hover {
    color: #fff;
}

.social-card.twitter .hashtag { color: #ea4335; }
.social-card.linkedin .hashtag { color: #0a66c2; }
.social-card.virasty .hashtag { color: #1c9df0; }
.social-card.eitaa .hashtag { color: #e37600; }
.social-card.bale .hashtag { color: #4cebb4; }

html[lang="en"] .social-card { border-left: 3px solid transparent; }    
html[lang="en"] .social-card.twitter { border-left-color: #ea4335; }
html[lang="en"] .social-card.linkedin { border-left-color: #0a66c2; }
html[lang="en"] .social-card.virasty { border-left-color: #1c9df0; }
html[lang="en"] .social-card.eitaa { border-left-color: #e37600; }
html[lang="en"] .social-card.bale { border-left-color: #4cebb4; }

html[lang="fa"] .social-card { border-right: 3px solid transparent; }
html[lang="fa"] .social-card.twitter { border-right-color: #ea4335; }
html[lang="fa"] .social-card.linkedin { border-right-color: #0a66c2; }
html[lang="fa"] .social-card.virasty { border-right-color: #1c9df0; }
html[lang="fa"] .social-card.eitaa { border-right-color: #e37600; }
html[lang="fa"] .social-card.bale { border-right-color: #4cebb4; }

/* ── Media gallery inside social cards ── */
.social-media-gallery {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.social-thumb {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}
.social-thumb:hover {
    border-color: var(--accent);
    transform: scale(1.05);
}
.video-thumb {
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}
.play-icon {
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 50%;
    font-size: 0.8rem;
}
.more-overlay {
    background: var(--surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Video‑only card: larger thumbnail */
.social-card.media-only .social-media-gallery {
    margin-top: 0;
}
.social-card.media-only .social-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
    max-height: 300px;
    border-radius: var(--radius-sm);
}

/* ── Media lightbox (inside modal) ── */
.modal-media {
    position: relative;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.media-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 8px 12px;
    cursor: pointer;
    z-index: 10;
    border-radius: 50%;
    transition: var(--transition);
}
.media-arrow:hover {
    background: rgba(0,0,0,0.8);
}
html[lang="en"] .media-prev { left: 0; }
html[lang="en"] .media-next { right: 0; }
html[lang="fa"] .media-prev { right: 0; }
html[lang="fa"] .media-next { left: 0; }
.media-content {
    max-width: 100%;
    max-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.media-content img,
.media-content video {
    max-width: 100%;
    max-height: 60vh;
    border-radius: var(--radius-sm);
}
.media-content iframe {
    width: 100%;
    height: 60vh;
    border: none;
    border-radius: var(--radius-sm);
}
.media-caption {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}