/**
 * emadbrz – سکشن پورتفولیو: پیشرفته، خفن، انیمیشن‌های خلاقانه.
 */

.emadbrz-portfolio {
    --pf-gold: #d4a017;
    --pf-gold-light: #e6b422;
    --pf-gold-soft: rgba(212, 160, 23, 0.22);
    --pf-text: rgba(255, 255, 255, 0.96);
    --pf-muted: rgba(255, 255, 255, 0.52);
    --pf-card-bg: rgba(22, 22, 24, 0.85);
    --pf-card-border: rgba(255, 255, 255, 0.06);
    --pf-card-border-hover: rgba(212, 160, 23, 0.25);
    padding: clamp(3.5rem, 10vw, 6rem) 20px;
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
    position: relative;
    overflow: hidden;
    background: transparent;
}

/* واترمارک با انیمیشن شناور */
.emadbrz-portfolio__watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(6rem, 18vw, 14rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.02em;
    color: transparent;
    background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    pointer-events: none;
    user-select: none;
    z-index: 0;
    animation: emadbrz-pf-watermark 12s ease-in-out infinite;
}

.emadbrz-portfolio--rtl .emadbrz-portfolio__watermark {
    left: 48%;
}

@keyframes emadbrz-pf-watermark {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.02); }
}

.emadbrz-portfolio__wrap {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========== هدر سکشن – انیمیشن ورود ========== */
.emadbrz-portfolio__head {
    text-align: center;
    margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.emadbrz-portfolio__head.emadbrz-portfolio__head--visible {
    opacity: 1;
    transform: translateY(0);
}

.emadbrz-portfolio__badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pf-gold-light);
    background: rgba(212, 160, 23, 0.1);
    border: 1px solid rgba(212, 160, 23, 0.3);
    border-radius: 100px;
}

.emadbrz-portfolio__title {
    margin: 0 0 0.6rem;
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.92) 40%, var(--pf-gold-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.emadbrz-portfolio__title::after {
    content: '';
    display: block;
    width: 5rem;
    height: 3px;
    margin: 0.75rem auto 0;
    background: linear-gradient(90deg, transparent, var(--pf-gold), var(--pf-gold-light), transparent);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(212, 160, 23, 0.4);
    animation: emadbrz-pf-shimmer 3s ease-in-out infinite;
}

@keyframes emadbrz-pf-shimmer {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.emadbrz-portfolio__subtitle {
    margin: 1rem auto 0;
    font-size: clamp(1rem, 1.15vw, 1.1rem);
    color: var(--pf-muted);
    max-width: 520px;
    line-height: 1.5;
}

.emadbrz-portfolio__tagline {
    margin: 0.85rem auto 0;
    font-size: clamp(0.9rem, 1.05vw, 1rem);
    color: rgba(255, 255, 255, 0.4);
    max-width: 560px;
    line-height: 1.6;
}

.emadbrz-portfolio__head-line {
    display: block;
    width: 60px;
    height: 2px;
    margin: 1.5rem auto 0;
    background: linear-gradient(90deg, transparent, rgba(212, 160, 23, 0.6), transparent);
    border-radius: 2px;
}

/* ========== گرید کارت‌ها ========== */
.emadbrz-portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.35rem, 2.8vw, 1.9rem);
}

/* ========== کارت پروژه – ظاهر پیشرفته و خفن ========== */
.emadbrz-portfolio-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(28px) scale(0.98);
    background: var(--pf-card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--pf-card-border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease, border-color 0.35s ease;
}

.emadbrz-portfolio-card.emadbrz-portfolio-card--visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* خط طلایی بالای کارت + گوشه تزئینی */
.emadbrz-portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--pf-gold) 20%, var(--pf-gold-light) 50%, var(--pf-gold) 80%, transparent 100%);
    opacity: 0.7;
    z-index: 2;
    transition: opacity 0.35s, box-shadow 0.35s;
}

.emadbrz-portfolio-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(212, 160, 23, 0.08) 0%, transparent 50%);
    border-radius: 0 20px 0 100%;
    pointer-events: none;
}

.emadbrz-portfolio--rtl .emadbrz-portfolio-card::after {
    right: auto;
    left: 0;
    border-radius: 20px 0 100% 0;
    background: linear-gradient(225deg, rgba(212, 160, 23, 0.08) 0%, transparent 50%);
}

.emadbrz-portfolio-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--pf-card-border-hover), 0 0 60px rgba(212, 160, 23, 0.08);
    border-color: var(--pf-card-border-hover);
}

.emadbrz-portfolio-card:hover::before {
    opacity: 1;
    box-shadow: 0 0 24px rgba(212, 160, 23, 0.5);
}

.emadbrz-portfolio-card__inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* بخش تصویر */
.emadbrz-portfolio-card__media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    flex-shrink: 0;
}

.emadbrz-portfolio-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.emadbrz-portfolio-card__img--placeholder {
    background: linear-gradient(135deg, #1a1a1e 0%, #121214 100%);
    display: block;
}

.emadbrz-portfolio-card:hover .emadbrz-portfolio-card__img {
    transform: scale(1.1);
}

.emadbrz-portfolio-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.2) 45%, transparent 70%);
    opacity: 0.65;
    transition: opacity 0.4s;
}

.emadbrz-portfolio-card:hover .emadbrz-portfolio-card__overlay {
    opacity: 0.9;
}

.emadbrz-portfolio-card__badge {
    position: absolute;
    bottom: 14px;
    left: 14px;
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--pf-gold-light);
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 160, 23, 0.4);
    border-radius: 8px;
    z-index: 1;
    transition: background 0.3s, transform 0.3s;
}

.emadbrz-portfolio-card:hover .emadbrz-portfolio-card__badge {
    background: rgba(212, 160, 23, 0.2);
    transform: translateY(-2px);
}

.emadbrz-portfolio--rtl .emadbrz-portfolio-card__badge {
    left: auto;
    right: 14px;
}

/* بدنه کارت */
.emadbrz-portfolio-card__body {
    padding: 1.25rem 1.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    flex: 1;
    min-height: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.emadbrz-portfolio-card__cat {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--pf-gold);
    text-transform: uppercase;
    transition: color 0.25s;
}

.emadbrz-portfolio-card:hover .emadbrz-portfolio-card__cat {
    color: var(--pf-gold-light);
}

.emadbrz-portfolio-card__title {
    margin: 0;
    font-size: clamp(1.05rem, 1.15vw, 1.2rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--pf-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s;
}

.emadbrz-portfolio-card:hover .emadbrz-portfolio-card__title {
    color: #fff;
}

.emadbrz-portfolio-card__desc {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--pf-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    min-height: 0;
}

.emadbrz-portfolio-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.4rem;
    margin-inline-start: auto;
    margin-inline-end: 0;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--pf-gold-light);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.25s, border-color 0.25s, gap 0.25s;
}

.emadbrz-portfolio-card__link:hover {
    color: #ecc54a;
    border-bottom-color: rgba(236, 197, 74, 0.5);
    gap: 0.65rem;
}

.emadbrz-portfolio-card__link-icon {
    font-size: 1.15em;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.emadbrz-portfolio-card__link:hover .emadbrz-portfolio-card__link-icon {
    transform: translateX(5px);
}

.emadbrz-portfolio--rtl .emadbrz-portfolio-card__link:hover .emadbrz-portfolio-card__link-icon {
    transform: translateX(-5px);
}

.emadbrz-portfolio--rtl .emadbrz-portfolio-card__body {
    align-items: flex-start;
}
.emadbrz-portfolio--rtl .emadbrz-portfolio-card__link {
    margin-inline-start: 0;
    margin-inline-end: auto;
}

.emadbrz-portfolio__empty {
    text-align: center;
    padding: 2.5rem;
    font-size: 1.05rem;
    color: var(--pf-muted);
}

/* ========== رسپانسیو ========== */
@media (max-width: 991px) {
    .emadbrz-portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .emadbrz-portfolio {
        padding: clamp(2.5rem, 6vw, 3.5rem) 16px;
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
    .emadbrz-portfolio__watermark {
        font-size: clamp(4rem, 14vw, 8rem);
    }
    .emadbrz-portfolio__head {
        margin-bottom: 2rem;
    }
    .emadbrz-portfolio__grid {
        grid-template-columns: 1fr;
        gap: 1.35rem;
    }
    .emadbrz-portfolio-card__media {
        aspect-ratio: 16 / 10;
    }
    .emadbrz-portfolio-card__body {
        padding: 1.1rem 1.2rem;
    }
}

@media (max-width: 575px) {
    .emadbrz-portfolio__title {
        font-size: 1.6rem;
    }
    .emadbrz-portfolio-card__title {
        font-size: 1.08rem;
    }
}