/* ========================================================
   صفحه اصلی پرمیوم — 3D Design Pro
   این فایل فقط در index.html بارگذاری می‌شود.
   ======================================================== */

body.home-page {
    background: var(--ink-950);
    color: var(--paper-dim);
}

body.home-page main {
    display: block;
}

.js body.home-page .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .8s var(--ease-premium), transform .8s var(--ease-premium);
}

body.home-page .reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

body.home-page .reveal-delay-1.visible { transition-delay: .08s; }
body.home-page .reveal-delay-2.visible { transition-delay: .16s; }
body.home-page .reveal-delay-3.visible { transition-delay: .24s; }
body.home-page .reveal-delay-4.visible { transition-delay: .32s; }

body.home-page h1,
body.home-page h2,
body.home-page h3,
body.home-page h4,
body.home-page h5,
body.home-page h6 {
    color: var(--paper);
}

body.home-page a {
    color: var(--gold);
}

body.home-page .alert-success {
    background: rgba(76, 175, 80, .14);
    color: #8bd996;
    border-color: var(--success);
}

body.home-page .alert-danger {
    background: rgba(244, 67, 54, .14);
    color: #ff9c94;
    border-color: var(--danger);
}

body.home-page .alert-warning {
    background: rgba(255, 152, 0, .14);
    color: #ffc26b;
    border-color: var(--warning);
}

body.home-page .alert-info {
    background: rgba(33, 150, 243, .14);
    color: #8ec9fb;
    border-color: var(--info);
}

/* ========== قطعات مشترک ========== */

body.home-page .section {
    padding: 7rem 0;
    position: relative;
}

body.home-page .section-tight {
    padding: 5rem 0;
}

body.home-page .section-head {
    max-width: 640px;
    margin: 0 auto 3.5rem;
    text-align: center;
}

body.home-page .section-head h2 {
    font-size: 2.15rem;
    font-weight: 800;
    margin: .9rem 0 1rem;
    line-height: 1.4;
}

body.home-page .section-head p {
    color: var(--paper-dim);
    font-size: 1.02rem;
    margin: 0;
}

body.home-page .eyebrow {
    display: inline-block;
    color: var(--gold);
    font-weight: 600;
    font-size: .8rem;
    letter-spacing: .3px;
    padding: .4rem .9rem;
    border: 1px solid var(--gold-dim);
    border-radius: 999px;
    background: var(--gold-dim);
    margin-bottom: 1rem;
}

body.home-page .text-gold {
    color: var(--gold);
}

body.home-page .btn-gold {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--gold);
    color: #17140a;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: .98rem;
    text-decoration: none;
    transition: transform .35s var(--ease-premium), box-shadow .35s var(--ease-premium), background .3s ease;
}

body.home-page .btn-gold:hover {
    background: var(--gold-soft);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(212, 175, 55, .32);
    text-decoration: none;
    color: #17140a;
}

body.home-page .btn-gold.btn-sm-gold {
    padding: .7rem 1.4rem;
    font-size: .88rem;
}

body.home-page .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: transparent;
    color: var(--paper);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: .98rem;
    text-decoration: none;
    border: 1px solid var(--ink-line-strong);
    transition: all .3s ease;
}

body.home-page .btn-ghost:hover {
    border-color: var(--gold);
    color: var(--gold);
    text-decoration: none;
}

body.home-page .icon {
    width: 22px;
    height: 22px;
    display: inline-block;
}

/* ========== Hero ========== */

body.home-page .home-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    padding-top: 90px;
}

body.home-page .home-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 16% 22%, rgba(212, 175, 55, .13), transparent 42%),
        radial-gradient(circle at 86% 78%, rgba(212, 175, 55, .09), transparent 40%),
        var(--ink-950);
}

body.home-page .home-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--ink-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--ink-line) 1px, transparent 1px);
    background-size: 56px 56px;
    opacity: .4;
    -webkit-mask-image: radial-gradient(circle at 50% 30%, black, transparent 72%);
    mask-image: radial-gradient(circle at 50% 30%, black, transparent 72%);
}

body.home-page .home-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 3rem;
    padding: 2rem 20px 4rem;
}

body.home-page .home-hero-text h1 {
    font-size: 3.3rem;
    line-height: 1.28;
    font-weight: 800;
    margin-bottom: 1.3rem;
}

body.home-page .home-hero-sub {
    color: var(--paper-dim);
    font-size: 1.12rem;
    max-width: 520px;
    margin-bottom: 2.2rem;
    line-height: 1.9;
}

body.home-page .home-hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- visual سه‌بعدی --- */

body.home-page .home-hero-visual {
    position: relative;
    height: 440px;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.home-page .hero-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 175, 55, .32), transparent 70%);
    filter: blur(6px);
    z-index: 0;
}

body.home-page .cube-scene {
    position: relative;
    width: 260px;
    height: 260px;
    perspective: 1100px;
    z-index: 1;
}

body.home-page .cube-3d {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 168px;
    height: 168px;
    transform-style: preserve-3d;
    animation: cubeSpin 18s linear infinite;
}

@keyframes cubeSpin {
    from { transform: rotateX(-24deg) rotateY(0deg); }
    to   { transform: rotateX(-24deg) rotateY(360deg); }
}

body.home-page .cube-face {
    position: absolute;
    width: 168px;
    height: 168px;
    border: 1.5px solid var(--gold);
    background: linear-gradient(150deg, rgba(212, 175, 55, .16), rgba(212, 175, 55, .02));
    box-shadow: inset 0 0 30px rgba(212, 175, 55, .1);
}

body.home-page .face-front  { transform: translateZ(84px); }
body.home-page .face-back   { transform: rotateY(180deg) translateZ(84px); }
body.home-page .face-right  { transform: rotateY(90deg) translateZ(84px); }
body.home-page .face-left   { transform: rotateY(-90deg) translateZ(84px); }
body.home-page .face-top    { transform: rotateX(90deg) translateZ(84px); }
body.home-page .face-bottom { transform: rotateX(-90deg) translateZ(84px); }

body.home-page .print-stack {
    position: absolute;
    bottom: 6%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column-reverse;
    gap: 5px;
    z-index: 2;
}

body.home-page .print-stack span {
    display: block;
    width: 104px;
    height: 5px;
    border-radius: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: .2;
    animation: layerPulse 3s ease-in-out infinite;
}

body.home-page .print-stack span:nth-child(1) { animation-delay: 0s; }
body.home-page .print-stack span:nth-child(2) { animation-delay: .3s; }
body.home-page .print-stack span:nth-child(3) { animation-delay: .6s; }
body.home-page .print-stack span:nth-child(4) { animation-delay: .9s; }
body.home-page .print-stack span:nth-child(5) { animation-delay: 1.2s; }

@keyframes layerPulse {
    0%, 100% { opacity: .18; }
    50% { opacity: .95; }
}

body.home-page .float-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: .55rem;
    background: rgba(20, 20, 23, .88);
    border: 1px solid var(--ink-line-strong);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: .6rem 1.05rem;
    border-radius: 12px;
    font-size: .8rem;
    font-weight: 600;
    color: var(--paper);
    box-shadow: 0 14px 34px rgba(0, 0, 0, .4);
    animation: floatY 5.5s ease-in-out infinite;
    white-space: nowrap;
}

body.home-page .float-badge svg {
    width: 16px;
    height: 16px;
    color: var(--gold);
    flex-shrink: 0;
}

body.home-page .badge-1 { top: 4%; right: -4%; animation-delay: 0s; }
body.home-page .badge-2 { bottom: 10%; left: -8%; animation-delay: 1.3s; }
body.home-page .badge-3 { top: 48%; left: 0%; animation-delay: 2.6s; }

@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

body.home-page .trust-bar {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--ink-line);
    padding: 1.4rem 0;
}

body.home-page .trust-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.4rem;
    flex-wrap: wrap;
    color: var(--paper-dim);
    font-size: .92rem;
    font-weight: 600;
}

body.home-page .trust-bar-inner i {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold);
    display: inline-block;
}

/* ========== خدمات ========== */

body.home-page .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

body.home-page .svc-card {
    background: var(--ink-900);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-lg);
    padding: 2.2rem 1.8rem;
    transition: transform .4s var(--ease-premium), border-color .4s ease, box-shadow .4s ease;
    position: relative;
    overflow: hidden;
}

body.home-page .svc-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 0%, rgba(212, 175, 55, .1), transparent 60%);
    opacity: 0;
    transition: opacity .4s ease;
}

body.home-page .svc-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-dim);
    box-shadow: 0 22px 50px rgba(0, 0, 0, .38);
}

body.home-page .svc-card:hover::before {
    opacity: 1;
}

body.home-page .svc-icon {
    width: 54px;
    height: 54px;
    border-radius: 15px;
    background: var(--gold-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    margin-bottom: 1.4rem;
    position: relative;
}

body.home-page .svc-icon svg {
    width: 25px;
    height: 25px;
}

body.home-page .svc-card h3 {
    font-size: 1.18rem;
    margin-bottom: .6rem;
    position: relative;
}

body.home-page .svc-card p {
    color: var(--paper-dim);
    font-size: .92rem;
    line-height: 1.85;
    margin-bottom: 1.3rem;
    position: relative;
}

body.home-page .svc-link {
    color: var(--gold);
    font-weight: 600;
    font-size: .88rem;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    position: relative;
    text-decoration: none;
}

body.home-page .svc-link svg {
    width: 13px;
    height: 13px;
    transition: transform .3s ease;
}

body.home-page .svc-card:hover .svc-link svg {
    transform: translateX(-4px);
}

/* ========== چرا ما ========== */

body.home-page .why-us-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 3.5rem;
    align-items: center;
}

body.home-page .why-us-text h2 {
    font-size: 2.05rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.45;
}

body.home-page .why-us-text p {
    color: var(--paper-dim);
    line-height: 1.9;
}

body.home-page .why-us-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem;
}

body.home-page .stat-block {
    background: var(--ink-900);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    transition: border-color .3s ease, transform .3s ease;
}

body.home-page .stat-block:hover {
    border-color: var(--gold-dim);
    transform: translateY(-4px);
}

body.home-page .stat-icon {
    width: 36px;
    height: 36px;
    color: var(--gold);
    margin-bottom: 1rem;
}

body.home-page .stat-icon svg {
    width: 100%;
    height: 100%;
}

body.home-page .stat-value {
    font-size: 2.05rem;
    font-weight: 800;
    color: var(--paper);
    direction: ltr;
    display: inline-flex;
}

body.home-page .stat-label {
    color: var(--paper-dim);
    font-size: .88rem;
    margin-top: .4rem;
    font-weight: 600;
}

/* ========== نمونه‌کارها ========== */

body.home-page .portfolio-filters {
    display: flex;
    gap: .7rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2.6rem;
}

body.home-page .pf-filter {
    background: transparent;
    border: 1px solid var(--ink-line-strong);
    color: var(--paper-dim);
    padding: .6rem 1.3rem;
    border-radius: 999px;
    font-size: .86rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease;
    font-family: inherit;
}

body.home-page .pf-filter:hover {
    color: var(--paper);
    border-color: var(--gold-dim);
}

body.home-page .pf-filter.active {
    background: var(--gold);
    color: #17140a;
    border-color: var(--gold);
}

body.home-page .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

body.home-page .pf-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--ink-line);
    background: var(--ink-900);
    transition: transform .35s var(--ease-premium), border-color .35s ease;
}

body.home-page .pf-card.hide {
    display: none;
}

body.home-page .pf-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold-dim);
}

body.home-page .pf-media {
    position: relative;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(212, 175, 55, .45);
}

body.home-page .pf-media svg {
    width: 58px;
    height: 58px;
}

body.home-page .pf-pattern-1 { background: linear-gradient(135deg, #1b1b1f, #232327); }
body.home-page .pf-pattern-2 { background: linear-gradient(135deg, #1a1a1e, #201d16); }
body.home-page .pf-pattern-3 { background: linear-gradient(135deg, #19191c, #1e2020); }
body.home-page .pf-pattern-4 { background: linear-gradient(135deg, #1c1a19, #23201a); }

body.home-page .pf-hover {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 12, .55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s ease;
}

body.home-page .pf-card:hover .pf-hover,
body.home-page .pf-card:focus-within .pf-hover {
    opacity: 1;
}

body.home-page .pf-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--gold);
    color: #17140a;
    padding: .55rem 1.1rem;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 700;
    text-decoration: none;
}

body.home-page .pf-btn svg {
    width: 13px;
    height: 13px;
}

body.home-page .pf-caption {
    padding: 1.1rem 1.3rem 1.3rem;
}

body.home-page .pf-tag {
    color: var(--gold);
    font-size: .74rem;
    font-weight: 700;
    display: block;
    margin-bottom: .3rem;
}

body.home-page .pf-caption h4 {
    font-size: .98rem;
    margin: 0;
}

/* ========== فرآیند ========== */

body.home-page .process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    position: relative;
}

body.home-page .process-steps::before {
    content: '';
    position: absolute;
    top: 21px;
    right: 10%;
    left: 10%;
    height: 1px;
    background: var(--ink-line-strong);
    z-index: 0;
}

body.home-page .process-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

body.home-page .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--ink-900);
    border: 1.5px solid var(--gold);
    color: var(--gold);
    font-weight: 800;
    font-size: .92rem;
    margin-bottom: 1.3rem;
    flex-shrink: 0;
}

body.home-page .step-body h4 {
    font-size: 1.02rem;
    margin-bottom: .6rem;
}

body.home-page .step-body p {
    color: var(--paper-dim);
    font-size: .85rem;
    line-height: 1.8;
}

/* ========== CTA / آپلود ========== */

body.home-page .cta-panel {
    background: linear-gradient(135deg, var(--ink-900), var(--ink-800));
    border: 1px solid var(--ink-line);
    border-radius: 28px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    overflow: hidden;
}

body.home-page .cta-panel::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -10%;
    width: 60%;
    height: 180%;
    background: radial-gradient(circle, rgba(212, 175, 55, .12), transparent 70%);
    pointer-events: none;
}

body.home-page .cta-text {
    position: relative;
    z-index: 1;
}

body.home-page .cta-text h2 {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

body.home-page .cta-text p {
    color: var(--paper-dim);
    margin-bottom: 1.8rem;
    font-size: 1.03rem;
}

body.home-page .upload-box {
    position: relative;
    z-index: 1;
    border: 1.5px dashed var(--ink-line-strong);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all .3s ease;
    background: rgba(0, 0, 0, .15);
}

body.home-page .upload-box:hover,
body.home-page .upload-box.dragover {
    border-color: var(--gold);
    background: var(--gold-dim);
}

body.home-page .upload-idle svg,
body.home-page .upload-done svg {
    width: 36px;
    height: 36px;
    color: var(--gold);
    margin-bottom: 1rem;
}

body.home-page .upload-idle p {
    color: var(--paper);
    font-weight: 600;
    margin-bottom: .3rem;
}

body.home-page .upload-idle span {
    color: var(--paper-dim);
    font-size: .85rem;
    display: block;
    margin-bottom: .8rem;
}

body.home-page .upload-idle small {
    color: var(--paper-dim);
    font-size: .74rem;
    opacity: .75;
}

body.home-page .upload-done p {
    color: var(--paper);
    font-weight: 600;
    margin-bottom: 1rem;
    word-break: break-all;
    font-size: .92rem;
}

/* ========== درباره ما ========== */

body.home-page .about-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 3.5rem;
    align-items: center;
}

body.home-page .about-frame {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.home-page .about-layer {
    position: absolute;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gold-dim);
}

body.home-page .about-layer.l1 { width: 100%; height: 100%; background: var(--ink-900); border-color: var(--ink-line); }
body.home-page .about-layer.l2 { width: 76%; height: 76%; border-color: rgba(212, 175, 55, .3); }
body.home-page .about-layer.l3 { width: 50%; height: 50%; border-color: var(--gold); background: var(--gold-dim); }

body.home-page .about-frame svg {
    position: relative;
    z-index: 1;
    width: 60px;
    height: 60px;
    color: var(--gold);
}

body.home-page .about-text h2 {
    font-size: 1.95rem;
    font-weight: 800;
    margin: .8rem 0 1.3rem;
    line-height: 1.45;
}

body.home-page .about-text p {
    color: var(--paper-dim);
    line-height: 1.9;
    margin-bottom: 1.1rem;
}

body.home-page .about-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
    list-style: none;
    margin-top: 1.5rem;
    padding: 0;
}

body.home-page .about-chips li {
    border: 1px solid var(--ink-line-strong);
    color: var(--paper);
    padding: .5rem 1rem;
    border-radius: 999px;
    font-size: .84rem;
    font-weight: 600;
}

/* ========== ری‌اسپانسیو ========== */

@media (max-width: 1100px) {
    body.home-page .home-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    body.home-page .home-hero-cta {
        justify-content: center;
    }

    body.home-page .home-hero-sub {
        margin-left: auto;
        margin-right: auto;
    }

    body.home-page .home-hero-visual {
        height: 360px;
    }
}

@media (max-width: 900px) {
    body.home-page .home-hero {
        min-height: auto;
        padding: 130px 0 50px;
    }

    body.home-page .why-us-grid,
    body.home-page .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    body.home-page .about-visual {
        order: -1;
    }

    body.home-page .process-steps {
        grid-template-columns: 1fr;
        gap: 0;
    }

    body.home-page .process-steps::before {
        display: none;
    }

    body.home-page .process-step {
        flex-direction: row;
        align-items: flex-start;
        text-align: right;
        gap: 1.2rem;
        padding-bottom: 2.2rem;
        position: relative;
    }

    body.home-page .process-step:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 42px;
        right: 20px;
        bottom: -2px;
        width: 1px;
        background: var(--ink-line-strong);
    }

    body.home-page .step-num {
        margin-bottom: 0;
    }

    body.home-page .cta-panel {
        grid-template-columns: 1fr;
        padding: 2.5rem;
        text-align: center;
    }

    body.home-page .cta-text {
        text-align: center;
    }
}

@media (max-width: 768px) {
    body.home-page .home-hero-text h1 {
        font-size: 2.3rem;
    }

    body.home-page .section {
        padding: 4.5rem 0;
    }

    body.home-page .float-badge {
        font-size: .74rem;
        padding: .5rem .85rem;
    }

    body.home-page .badge-3 {
        display: none;
    }

    body.home-page .why-us-stats {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    body.home-page .home-hero-text h1 {
        font-size: 1.9rem;
    }

    body.home-page .home-hero-sub {
        font-size: 1rem;
    }

    body.home-page .home-hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    body.home-page .home-hero-visual {
        height: 300px;
    }

    body.home-page .cube-scene {
        width: 200px;
        height: 200px;
    }

    body.home-page .badge-1,
    body.home-page .badge-2 {
        font-size: .68rem;
    }

    body.home-page .cta-panel {
        padding: 2rem 1.4rem;
    }

    body.home-page .section-head h2 {
        font-size: 1.6rem;
    }
}