/* --------------------
    Fonts : IRANSans
-------------------- */
@font-face{
    font-family: "IRANSans";
    src:
            url("../fonts/IRANSansXFaNum-light.woff2") format("woff2"),
            url("../fonts/IRANSansXFaNum-bold.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}



/* --------------------
   Design System
-------------------- */
:root{
    --page-bg: radial-gradient(circle at top, #1d2539, #020617 52%, #020617 100%);
    --bg: #050816;
    --bg-soft: #0f172a;
    --card: #0b1220;
    --border: rgba(148,163,184,.35);
    --text: #e5e7eb;
    --muted: #9ca3af;

    --accent: #6366f1;
    --accent2: #a855f7;

    --glass: rgba(15,23,42,.85);
    --glass2: rgba(15,23,42,.92);

    --radius-lg: 18px;
    --radius-md: 14px;

    --shadow-sm: 0 8px 25px rgba(15,23,42,.45);
    --shadow-lg: 0 18px 55px rgba(15,23,42,.75);

    --ease: cubic-bezier(.23,1,.32,1);

    /* اضافه‌شده: سطوح عمومی */
    --surface: rgba(15,23,42,.75);
    --surface-soft: rgba(15,23,42,.55);
}

/* Dark / Light toggle */
:root[data-theme="light"]{
    --page-bg: radial-gradient(circle at top,
    #f9fafb 0%,
    #eef2ff 55%,
    #e5e7eb 100%);

    --bg: #f3f4f6;
    --bg-soft: #ffffff;

    --card: #ffffff;
    --border: rgba(148, 163, 184, 0.35);

    --text: #111827;
    --muted: #6b7280;

    --accent: #6366f1;
    --accent2: #a855f7;

    --glass: rgba(255, 255, 255, 0.94);
    --glass2: rgba(255, 255, 255, 0.98);

    --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 24px 55px rgba(15, 23, 42, 0.10);

    /* سطح‌ها در لایت */
    --surface: rgba(255,255,255,.90);
    --surface-soft: rgba(255,255,255,.80);
}

/* --------------------
   Base
-------------------- */
*,
*::before,
*::after{
    box-sizing: border-box;
    font-family: inherit;
}

body,
button,
input,
select,
textarea {
    font-family: "IRANSans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body{
    background: var(--page-bg);
    color: var(--text);
}

.wrap{
    min-height: 100vh;
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px 16px 110px;
}

/* Typography */
h1, h2, h3{
    margin: 0;
    line-height: 1.2;
}

p{
    margin: 0;
    line-height: 1.7;
    color: var(--muted);
    text-align: justify;
}

/* Links */
a{
    color: inherit;
    text-decoration: none;
}

/* Pills & tags */
.pill{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 11px;
    color: var(--muted);
    background: var(--surface);
    backdrop-filter: blur(10px);
}
.pill-accent{
    border-color: transparent;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 12px 35px rgba(99,102,241,.45);
}


.tag{
    display:inline-flex;
    align-items:center;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,.35);
    font-size: 11px;
    color: var(--muted);
    background: var(--surface-soft);
}

/* Cards */
.card{
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: radial-gradient(circle at top left, rgba(148,163,184,.12), var(--card));
    padding: 18px 16px;
    box-shadow: var(--shadow-sm);
}

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

.card .meta h3{
    font-size: 16px;
}

.card .meta .tag{
    background: var(--surface);
}

/* Layout */
.hero{
    margin-bottom: 32px;
}

.hero-inner{
    display:grid;
    grid-template-columns: minmax(0,2fr) minmax(0,1.2fr);
    gap: 24px;
    align-items:flex-start;
}

.hero-main h1{
    font-size: clamp(26px, 3vw, 32px);
    margin-top: 12px;
    margin-bottom: 10px;
}

.hero-main p{
    max-width: 520px;
}

.hero-actions{
    margin-top: 18px;
    display:flex;
    gap: 10px;
    flex-wrap:wrap;
}

.hero-side{
    display:flex;
    flex-direction:column;
    gap: 12px;
    align-items:flex-end;
}

/* =========================
   Bio Section
========================= */

.bio{
    padding: 16px;
}

.bio-top{
    display: grid;
    grid-template-columns: 86px 1fr auto;
    gap: 14px;
    align-items: center;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.bio-avatar{
    width: 86px;
    height: 86px;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    background: var(--surface);
    display: grid;
    place-items: center;
}

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

.bio-avatar-fallback{
    font-weight: 700;
    color: var(--text);
    opacity: .85;
}

.bio-name{
    margin: 0 0 4px;
    font-size: 18px;
    letter-spacing: -0.2px;
}

.bio-role{
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 13px;
}

.bio-tags{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.bio-actions{
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: flex-end;
}

.bio-body{
    padding-top: 12px;
}

.bio-body p{
    margin: 0 0 14px;
    color: var(--text);
    opacity: .92;
    line-height: 1.9;
}

.bio-grid{
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.bio-item{
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 14px;
    padding: 10px 12px;
}

.bio-k{
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 6px;
}

.bio-v{
    font-size: 13px;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Responsive */
@media (max-width: 820px){
    .bio-top{
        grid-template-columns: 74px 1fr;
        grid-template-areas:
      "avatar intro"
      "actions actions";
    }
    .bio-avatar{ width: 74px; height: 74px; border-radius: 18px; }
    .bio-actions{ justify-content: flex-start; }
    .bio-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* =========================
   Resume Section
========================= */
.resume{
    padding: 18px;
}

.resume-lang-switch{
    display: inline-flex;
    gap: 8px;
    margin-bottom: 12px;
    padding: 4px;
    border-radius: 999px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
}

.resume-lang-btn{
    border: none;
    outline: none;
    background: transparent;
    color: var(--muted);
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: background .18s var(--ease), color .18s var(--ease);
}

.resume-lang-btn.active{
    background: var(--accent);
    color: #fff;
}

.resume-panel{
    display: none;
}

.resume-panel.active{
    display: block;
}

.resume-header{
    margin-bottom: 12px;
}

.resume-title{
    margin: 0 0 4px;
    font-size: 18px;
}

.resume-summary{
    margin: 0;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.8;
}

.resume-columns{
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    gap: 14px;
    margin-top: 14px;
}

.resume-block{
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 10px 12px;
}

.resume-block-title{
    margin: 0 0 8px;
    font-size: 13px;
    color: var(--text);
    opacity: .9;
}

.resume-list{
    list-style: none;
    margin: 0;
    padding: 0;
}

.resume-item-head{
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 4px;
}

.resume-item-role{
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.resume-item-time{
    font-size: 11px;
    color: var(--muted);
}

.resume-item-meta{
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 6px;
}

.resume-item-desc{
    font-size: 12px;
    color: var(--text);
    line-height: 1.8;
    margin: 0 0 10px;
}

.skills .resume-skill{
    display: inline-block;
    margin: 3px 4px 3px 0;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface-soft);
    font-size: 11px;
    color: var(--muted);
}

/* Responsive */
@media (max-width: 960px){
    .resume-columns{
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px){
    .resume{
        padding: 14px;
    }

    .resume-columns{
        grid-template-columns: 1fr;
    }

    .resume-item-head{
        flex-direction: column;
        align-items: flex-start;
    }
}


/* Sections */
.section{
    margin-bottom: 32px;
}

.section-inner{
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148,163,184,.45);
    background: radial-gradient(circle at top left, rgba(148,163,184,.12), var(--bg-soft));
    padding: 18px 16px;
    box-shadow: var(--shadow-sm);
}

.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.section-title{
    font-size: 18px;
}

.section-sub{
    font-size: 13px;
}

.section-head-right{
    display:flex;
    gap: 8px;
    align-items:center;
    flex-wrap:wrap;
    justify-content:flex-end;
}

/* Grid */
.grid{
    display:grid;
    gap: 14px;
}

.grid.two{
    grid-template-columns: repeat(2, minmax(0,1fr));
}

.grid.three{
    grid-template-columns: repeat(3, minmax(0,1fr));
}

@media (max-width: 900px){
    .hero-inner{
        grid-template-columns: 1fr;
    }
    .hero-side{
        align-items:flex-start;
    }
    .grid.three{
        grid-template-columns: repeat(2, minmax(0,1fr));
    }
}

@media (max-width: 640px){
    .grid.two,
    .grid.three{
        grid-template-columns: 1fr;
    }
}

/* Lists */
.list{
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 13px;
}
.list li{
    margin-bottom: 5px;
}

/* Buttons */
.btn{
    position: relative;
    border: 0;
    outline: none;
    cursor:pointer;
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 13px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap: 6px;
    transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}

.btn.primary{
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 12px 35px rgba(99,102,241,.45);
}

.btn.ghost{
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
}

.btn.full{
    width: 100%;
}

.btn:hover{
    transform: translateY(-1px);
}

/* Icon button (theme toggle) */
.icon-btn{
    border-radius: 999px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--glass), var(--glass2));
    padding: 8px 12px;
    display:inline-flex;
    align-items:center;
    gap: 6px;
    color: var(--muted);
    cursor:pointer;
    box-shadow: var(--shadow-sm);
}

.icon-sun,
.icon-moon{
    font-size: 14px;
}

/* Form */
.form .field{
    display:flex;
    flex-direction:column;
    gap: 4px;
    margin-bottom: 10px;
}

.form .field span{
    font-size: 12px;
    color: var(--muted);
}

.form input,
.form select,
.form textarea{
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    padding: 8px 10px;
    font-size: 13px;
    outline:none;
}

.form input:focus,
.form select:focus,
.form textarea:focus{
    border-color: var(--accent);
}

.form-note{
    margin-top: 8px;
    font-size: 12px;
    color: var(--muted);
}

/* Links inside cards */
.links{
    margin-top: 12px;
    display:flex;
    gap: 8px;
}
.links .link{
    font-size: 12px;
    padding: 5px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
}

/* Reveal animation */
.reveal{
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.reveal.visible{
    opacity: 1;
    transform: translateY(0);
}

/* Ripple effect */
[data-ripple]{
    position: relative;
    overflow: hidden;
}
.ripple{
    position:absolute;
    border-radius:50%;
    transform: scale(0);
    animation: ripple .5s linear;
    background: rgba(255,255,255,.35);
    pointer-events:none;
}
@keyframes ripple{
    to{
        transform: scale(3);
        opacity: 0;
    }
}

/* --------------------
   Portfolio pagination
-------------------- */
.portfolio-footer{
    margin-top: 14px;
    display:flex;
    justify-content:center;
}

.pager{
    display:flex;
    align-items:center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--glass), var(--glass2));
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-sm);
}

.pager-btn{
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 999px;
    cursor:pointer;
    transition: transform .25s var(--ease), background .25s var(--ease), opacity .25s var(--ease);
}
.pager-btn:hover{
    transform: translateY(-1px);
    background: rgba(255,255,255,.10);
}
.pager-btn:disabled{
    opacity: .45;
    cursor: not-allowed;
    transform:none;
}

.pager-pages{
    display:flex;
    gap: 8px;
    align-items:center;
}
.pager-page{
    min-width: 42px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.05);
    color: var(--muted);
    cursor:pointer;
    transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.pager-page:hover{
    transform: translateY(-1px);
    background: rgba(255,255,255,.10);
    color: var(--text);
}
.pager-page.active{
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 18px 55px rgba(109,40,217,.22);
}

/* Smooth swap animation */
#portfolioGrid{
    transition: opacity .25s var(--ease), transform .25s var(--ease);
}
#portfolioGrid.swap-out{
    opacity: 0;
    transform: translateY(8px);
}

/* --------------------
   Bottom iPhone-like nav
-------------------- */
.bottom-nav{
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 14px;
    z-index: 30;

    display:flex;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--glass), var(--glass2));
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg);
    max-width: min(560px, calc(100vw - 18px));
    width: fit-content;
}

.bn-item{
    display:flex;
    flex-direction: column;
    align-items:center;
    justify-content:center;
    gap: 4px;
    padding: 10px 12px;
    border-radius: 16px;
    border: 1px solid transparent;
    color: var(--muted);
    min-width: 74px;
    transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.bn-item:hover{
    transform: translateY(-1px);
    color: var(--text);
    background: rgba(255,255,255,.08);
    border-color: var(--border);
}
.bn-item.active{
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 16px 50px rgba(109,40,217,.22);
}
.bn-ic{
    width: 20px;
    height: 20px;
    display:inline-block;
}
.bn-ic svg{
    width: 20px;
    height: 20px;
    display:block;
}
.bn-tx{
    font-size: 11px;
    line-height: 1;
}

/* Responsive bottom nav */
@media (max-width: 640px){
    .bottom-nav{
        max-width: calc(100vw - 18px);
        width: calc(100vw - 18px);
        justify-content: space-between;
    }
    .bn-item{
        min-width: unset;
        flex: 1;
    }
    .bn-tx{
        font-size: 10.5px;
    }
}