/* ==========================================================================
   Project Detail Subpages - Aayush Soni Portfolio
   ========================================================================== */

:root {
    --bg-color: #05070a;
    --card-bg: rgba(255, 255, 255, 0.035);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(181, 193, 142, 0.4);
    --text-color: #f8f9fa;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --primary-color: #b5c18e;
    --primary-glow: rgba(181, 193, 142, 0.2);
    --secondary-color: #739072;
    --accent-color: #ece3ce;
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-max: 1100px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Ambient glow in background */
.subpage-ambient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.subpage-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 999px;
    filter: blur(120px);
    opacity: 0.15;
    mix-blend-mode: screen;
}

.subpage-blob.b1 {
    top: -150px;
    right: -100px;
    background: radial-gradient(circle, var(--primary-color) 0%, rgba(115, 144, 114, 0.3) 70%);
}

.subpage-blob.b2 {
    bottom: 10%;
    left: -200px;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
}

/* Sticky Subpage Navbar */
.subpage-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 7, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.subpage-nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.subpage-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    transition: all 0.2s ease;
}

.subpage-back-btn:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(181, 193, 142, 0.3);
    transform: translateX(-2px);
}

.subpage-nav-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
}

.subpage-nav-logo {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.06);
    padding: 2px;
}

.subpage-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.btn-nav-action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: var(--primary-color);
    color: #05070a;
    transition: all 0.2s ease;
}

.btn-nav-action:hover {
    background: #c5d19e;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--primary-glow);
}

/* Main Container */
.subpage-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 5rem;
    position: relative;
    z-index: 1;
}

/* Breadcrumb */
.subpage-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.subpage-breadcrumb a:hover {
    color: var(--primary-color);
}

.subpage-breadcrumb .sep {
    opacity: 0.4;
}

/* Hero Section */
.project-hero {
    margin-bottom: 3.5rem;
}

.project-hero-badge-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: rgba(181, 193, 142, 0.15);
    border: 1px solid rgba(181, 193, 142, 0.35);
    color: var(--primary-color);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.hero-pill.pill-active {
    background: rgba(115, 144, 114, 0.2);
    border-color: rgba(115, 144, 114, 0.4);
    color: #b8e2b7;
}

.pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 8px #4ade80;
    display: inline-block;
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.project-hero-main {
    display: flex;
    align-items: flex-start;
    gap: 1.75rem;
    margin-bottom: 1.5rem;
}

.project-hero-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    padding: 10px;
    object-fit: contain;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.project-hero-title-group h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 40%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.project-hero-subtitle {
    font-size: 1.15rem;
    color: var(--accent-color);
    font-weight: 500;
}

.project-hero-tagline {
    font-size: 1.12rem;
    line-height: 1.75;
    color: var(--text-muted);
    max-width: 850px;
    margin-bottom: 2rem;
}

.project-hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    border-radius: 12px;
    background: var(--primary-color);
    color: #05070a;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    background: #c5d19e;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(181, 193, 142, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.35rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Impact Metrics Grid */
.impact-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.impact-strip-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.4rem 1.25rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.impact-strip-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.impact-strip-card strong {
    display: block;
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 0.35rem;
}

.impact-strip-card span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.4;
}

/* Media Showcase Frame */
.media-showcase-wrap {
    margin-bottom: 4rem;
}

.browser-mockup {
    background: #0f1319;
    border: 1px solid var(--card-border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.browser-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.browser-url-pill {
    margin-left: 0.75rem;
    flex: 1;
    max-width: 480px;
    padding: 0.25rem 0.85rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.75rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.browser-viewport {
    position: relative;
    max-height: 540px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #05070a;
}

.browser-viewport img {
    width: 100%;
    height: auto;
    max-height: 540px;
    object-fit: cover;
    object-position: top;
    display: block;
}

.media-caption-bar {
    padding: 0.85rem 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Case Study Content Sections */
.case-study-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.case-section-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.25rem;
    position: relative;
    overflow: hidden;
}

.section-label-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.section-num-pill {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary-color);
    background: rgba(181, 193, 142, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

.section-label-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.case-section-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-muted);
}

/* Problem Highlight Box */
.problem-box {
    border-left: 3px solid #f59e0b;
    background: rgba(245, 158, 11, 0.04);
}

/* Approach List */
.approach-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1rem;
}

.approach-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    transition: all 0.25s ease;
}

.approach-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(181, 193, 142, 0.25);
    transform: translateX(4px);
}

.approach-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(181, 193, 142, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.approach-item-body h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.35rem;
}

.approach-item-body p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-muted);
}

/* Results Highlights */
.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1rem;
}

.result-card {
    background: rgba(181, 193, 142, 0.04);
    border: 1px solid rgba(181, 193, 142, 0.18);
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.result-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(181, 193, 142, 0.2);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    margin-top: 0.2rem;
}

.result-card p {
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.6;
}

/* Tech Stack Badge Cloud */
.tech-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}

.tech-cloud-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.tech-cloud-pill:hover {
    background: rgba(181, 193, 142, 0.12);
    border-color: rgba(181, 193, 142, 0.35);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Next / Prev Project Navigation */
.project-subpage-nav-footer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--card-border);
}

.next-project-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(181, 193, 142, 0.06) 100%);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 1.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.next-project-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

.next-project-card .next-meta span {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    font-weight: 700;
    display: block;
    margin-bottom: 0.25rem;
}

.next-project-card .next-meta h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-color);
}

.next-project-card .next-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #05070a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.next-project-card:hover .next-arrow {
    transform: translateX(5px);
}

/* Subpage Footer */
.subpage-footer {
    text-align: center;
    padding: 3rem 1.5rem 2rem;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.subpage-footer a {
    color: var(--text-muted);
    transition: color 0.2s;
}

.subpage-footer a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Responsive Breakpoints for Subpage
   ========================================================================== */
@media (max-width: 900px) {
    .impact-strip {
        grid-template-columns: repeat(2, 1fr);
    }
    .results-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .subpage-container {
        padding: 1.5rem 1rem 4rem;
    }

    .project-hero-main {
        flex-direction: column;
        gap: 1rem;
    }

    .project-hero-logo {
        width: 64px;
        height: 64px;
        border-radius: 16px;
    }

    .project-hero-title-group h1 {
        font-size: 1.85rem;
    }

    .project-hero-subtitle {
        font-size: 1rem;
    }

    .project-hero-tagline {
        font-size: 1rem;
    }

    .project-hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .project-hero-actions .btn-primary,
    .project-hero-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .impact-strip {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .impact-strip-card {
        padding: 1.15rem;
    }

    .impact-strip-card strong {
        font-size: 1.5rem;
    }

    .case-section-card {
        padding: 1.5rem 1.15rem;
        border-radius: 16px;
    }

    .section-label-header h2 {
        font-size: 1.25rem;
    }

    .approach-item {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem;
    }

    .browser-viewport {
        max-height: 260px;
    }

    .next-project-card {
        padding: 1.25rem;
    }

    .next-project-card .next-meta h3 {
        font-size: 1.15rem;
    }
}