/* Portfolio Page Styles - Nivara Beauty */

/* ===================================
   Variables & Root Styles
   =================================== */
:root {
    --cream-bg: #f5f3f0;
    --sage-green: #8b9b8e;
    --muted-gold: #c9b896;
    --soft-brown: #a89685;
    --text-dark: #3a3a3a;
    --text-light: #6a6a6a;
    --white: #ffffff;
    --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

/* ===================================
   Main Container
   =================================== */
.portfolio-main {
    background-color: var(--cream-bg);
    min-height: 100vh;
    padding: 80px 0 60px;
}

/* ===================================
   Page Header
   =================================== */
.portfolio-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    padding: 0 20px;
}

.portfolio-title {
    font-family: 'Playfair Display', 'Georgia', serif;
    font-size: 3rem;
    font-weight: 400;
    color: var(--text-dark);
    margin: 0 0 16px 0;
    letter-spacing: 0.5px;
}

.portfolio-subtitle {
    font-family: 'Montserrat', 'Helvetica Neue', sans-serif;
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Filter Navigation
   =================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 auto 60px;
    padding: 0 20px;
    max-width: 1200px;
}

.filter-btn {
    font-family: 'Montserrat', 'Helvetica Neue', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    background-color: var(--white);
    border: 1px solid var(--sage-green);
    padding: 10px 24px;
    border-radius: 24px;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.filter-btn:hover {
    background-color: var(--sage-green);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.filter-btn.active {
    background-color: var(--sage-green);
    color: var(--white);
    box-shadow: var(--shadow-soft);
}

.filter-btn:focus {
    outline: 2px solid var(--muted-gold);
    outline-offset: 2px;
}

/* ===================================
   Portfolio Grid
   =================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===================================
   Portfolio Items
   =================================== */
.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.portfolio-card {
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

/* ===================================
   Image Wrapper & Hover Effect
   =================================== */
.portfolio-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background-color: var(--cream-bg);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.08);
}

/* ===================================
   Image Overlay
   =================================== */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to top,
        rgba(58, 58, 58, 0.75) 0%,
        rgba(58, 58, 58, 0.3) 50%,
        transparent 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.overlay-text {
    font-family: 'Playfair Display', 'Georgia', serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--white);
    text-align: center;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Caption
   =================================== */
.portfolio-caption {
    font-family: 'Montserrat', 'Helvetica Neue', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-light);
    text-align: center;
    padding: 18px 16px;
    margin: 0;
    line-height: 1.4;
}

/* ===================================
   Trust Element Section
   =================================== */
.portfolio-trust {
    max-width: 900px;
    margin: 80px auto 0;
    padding: 40px 20px;
    text-align: center;
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
}

.trust-message {
    font-family: 'Montserrat', 'Helvetica Neue', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.7;
    margin: 0;
    font-style: italic;
}

.trust-message::before {
    content: '✦';
    display: block;
    font-size: 1.5rem;
    color: var(--muted-gold);
    margin-bottom: 16px;
}

/* ===================================
   Tablet Responsive (2 columns)
   =================================== */
@media (max-width: 1024px) {
    .portfolio-main {
        padding: 60px 0 50px;
    }

    .portfolio-title {
        font-size: 2.5rem;
    }

    .portfolio-subtitle {
        font-size: 1.0625rem;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
        padding: 0 30px;
    }

    .portfolio-filters {
        margin-bottom: 50px;
        gap: 10px;
    }

    .filter-btn {
        font-size: 0.875rem;
        padding: 9px 20px;
    }

    .overlay-text {
        font-size: 1.125rem;
    }

    .portfolio-trust {
        margin-top: 60px;
        padding: 32px 20px;
    }
}

/* ===================================
   Mobile Responsive (1 column)
   =================================== */
@media (max-width: 640px) {
    .portfolio-main {
        padding: 40px 0 40px;
    }

    .portfolio-header {
        margin-bottom: 40px;
        padding: 0 16px;
    }

    .portfolio-title {
        font-size: 2rem;
        margin-bottom: 12px;
    }

    .portfolio-subtitle {
        font-size: 1rem;
    }

    .portfolio-filters {
        margin-bottom: 40px;
        padding: 0 16px;
        gap: 8px;
    }

    .filter-btn {
        font-size: 0.8125rem;
        padding: 8px 16px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 0 16px;
    }

    .portfolio-image-wrapper {
        aspect-ratio: 4 / 5;
    }

    .overlay-text {
        font-size: 1rem;
        padding: 0 12px;
    }

    .portfolio-caption {
        font-size: 0.875rem;
        padding: 16px 14px;
    }

    .portfolio-trust {
        margin-top: 50px;
        padding: 28px 20px;
        margin-left: 16px;
        margin-right: 16px;
    }

    .trust-message {
        font-size: 0.9375rem;
    }

    .trust-message::before {
        font-size: 1.25rem;
        margin-bottom: 12px;
    }
}

/* ===================================
   Accessibility Improvements
   =================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .portfolio-image,
    .portfolio-overlay,
    .portfolio-card {
        transition: none !important;
    }
}

/* Focus visible for keyboard navigation */
.portfolio-card:focus-within {
    outline: 2px solid var(--sage-green);
    outline-offset: 4px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .filter-btn {
        border-width: 2px;
    }

    .portfolio-overlay {
        background: rgba(0, 0, 0, 0.85);
    }
}