/* =====================================================
   NexOra — Portfolio listing page
   Uses shared tokens from tokens.css and base.css.
===================================================== */

.portfolio-page {
    overflow: clip;
    color: var(--color-text);
}

.portfolio-page .container {
    position: relative;
    z-index: 1;
}

/* Hero */
.portfolio-hero {
    position: relative;
    isolation: isolate;
    padding-block: clamp(28px, 5vw, 52px) clamp(64px, 8vw, 100px);
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
    background:
        radial-gradient(ellipse at 82% 10%, color-mix(in srgb, var(--color-purple) 12%, transparent), transparent 38%),
        radial-gradient(ellipse at 12% 65%, color-mix(in srgb, var(--color-cyan) 8%, transparent), transparent 34%);
}

.portfolio-hero-inner {
    max-width: 920px;
    text-align: center;
}

.portfolio-breadcrumb {
    display: flex;
    justify-content: flex-start; /* انتقال به سمت راست در چیدمان RTL */
    align-items: center;
    gap: 10px;
    margin-bottom: clamp(34px, 5vw, 54px);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}
.portfolio-breadcrumb [aria-current="page"] {
    color: var(--color-cyan);
    font-weight: var(--font-weight-semibold);
}
.portfolio-eyebrow,
.portfolio-section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.portfolio-eyebrow::before,
.portfolio-eyebrow::after {
    content: "";
    width: 22px;
    height: 1px;
    background: var(--gradient-brand);
}

.portfolio-hero h1 {
    margin: 14px 0 16px;
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-heading);
    letter-spacing: -0.04em;
}

.portfolio-gradient-text {
    background: var(--gradient-brand);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.portfolio-hero-description {
    max-width: 690px;
    margin: 0 auto 28px;
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.portfolio-hero-glow {
    position: absolute;
    z-index: 0;
    width: 240px;
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .16;
    pointer-events: none;
}

.portfolio-hero-glow-one {
    top: 12%;
    right: -120px;
    background: var(--color-purple);
}

.portfolio-hero-glow-two {
    bottom: -130px;
    left: -80px;
    background: var(--color-cyan);
}

/* Shared page button */
.portfolio-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: var(--button-height);
    padding-inline: var(--button-padding-inline);
    border: 1px solid transparent;
    border-radius: var(--button-radius);
    font-size: var(--button-font-size);
    font-weight: var(--font-weight-bold);
    line-height: 1.5;
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.portfolio-button:hover {
    transform: translateY(-2px);
}

.portfolio-button-primary {
    color: var(--button-primary-color);
    background: var(--button-portfolio-bg);
    box-shadow: var(--shadow-glow);
}

.portfolio-button-primary:hover {
    box-shadow: var(--shadow-md);
}

/* Project grid */
.portfolio-list-section {
    padding-block: var(--section-space);
}

.portfolio-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 32px;
}

.portfolio-section-heading h2 {
    margin: 8px 0 0;
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
}

.portfolio-section-heading > p {
    max-width: 420px;
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.portfolio-project-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.portfolio-project-card:hover {
    transform: translateY(-5px);
    border-color: color-mix(in srgb, var(--color-cyan) 42%, var(--color-border));
    box-shadow: var(--shadow-md);
}

.portfolio-project-media {
    position: relative;
    display: grid;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    place-items: center;
    background:
        radial-gradient(ellipse at 20% 15%, color-mix(in srgb, var(--color-cyan) 14%, transparent), transparent 48%),
        linear-gradient(145deg, var(--color-surface-light), var(--color-bg));
}

.portfolio-project-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 450ms ease;
}

.portfolio-project-card:hover .portfolio-project-media img {
    transform: scale(1.035);
}

.portfolio-project-placeholder {
    display: grid;
    width: 72px;
    height: 72px;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--color-surface) 78%, transparent);
    color: var(--color-cyan);
}

.portfolio-project-placeholder .icon {
    width: 34px;
    height: 34px;
}

.portfolio-project-index {
    position: absolute;
    top: 14px;
    right: 14px;
    display: grid;
    min-width: 36px;
    height: 30px;
    padding-inline: 8px;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
    border-radius: var(--radius-pill);
    background: color-mix(in srgb, var(--color-bg) 78%, transparent);
    color: var(--color-text);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    backdrop-filter: blur(10px);
}

.portfolio-project-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
}

.portfolio-project-category {
    margin: 0 0 8px;
    color: var(--color-cyan);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.portfolio-project-content h3 {
    margin: 0 0 10px;
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
}

.portfolio-project-description {
    margin: 0 0 20px;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.portfolio-project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 4px;
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.portfolio-project-link:hover {
    gap: 12px;
    color: var(--color-text);
}

.portfolio-project-link:focus-visible,
.portfolio-button:focus-visible {
    outline: 2px solid var(--color-cyan);
    outline-offset: 4px;
}

/* Empty state */
.portfolio-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(32px, 6vw, 64px) 24px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--color-surface) 60%, transparent);
    text-align: center;
}

.portfolio-empty-icon {
    display: grid;
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    place-items: center;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--color-cyan) 10%, transparent);
    color: var(--color-cyan);
}

.portfolio-empty-icon .icon {
    width: 30px;
    height: 30px;
}

.portfolio-empty-state h3 {
    margin: 0 0 8px;
    font-size: var(--font-size-h3);
}

.portfolio-empty-state p {
    max-width: 560px;
    margin: 0 0 22px;
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

/* CTA */
.portfolio-cta-section {
    padding-bottom: var(--section-space);
}

.portfolio-cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: clamp(24px, 4vw, 44px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(ellipse at 90% 0%, color-mix(in srgb, var(--color-purple) 14%, transparent), transparent 45%),
        linear-gradient(115deg, color-mix(in srgb, var(--color-primary) 10%, var(--color-surface)), var(--color-surface));
}

.portfolio-cta-card h2 {
    margin: 10px 0 8px;
    font-size: var(--font-size-h2);
    line-height: var(--line-height-heading);
}

.portfolio-cta-card p {
    max-width: 650px;
    margin: 0;
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

/* Responsive */
@media (max-width: 1000px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
    }
}

@media (max-width: 700px) {
    .portfolio-hero-description {
        font-size: var(--font-size-base);
    }

    .portfolio-section-heading,
    .portfolio-cta-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .portfolio-section-heading {
        gap: 12px;
    }

    .portfolio-cta-card {
        gap: 22px;
    }
}

@media (max-width: 560px) {
    .portfolio-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
    }

    .portfolio-project-content {
        padding: 18px;
    }

    .portfolio-breadcrumb {
        margin-bottom: 30px;
    }

    .portfolio-hero h1 {
        font-size: clamp(30px, 8vw, 38px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .portfolio-project-card,
    .portfolio-project-media img,
    .portfolio-button,
    .portfolio-project-link {
        transition: none;
    }
}

:root[data-theme="light"] .portfolio-project-card {
    background: var(--color-surface);
}