/* --- Theme Variables --- */
:root {
    --bg-color: #e9e9ed; /* Cool Gallery Light Grey (From Logo) */
    --card-bg: rgba(255, 255, 255, 0.85); /* Clean paper white */
    --card-bg-solid: rgba(255, 255, 255, 0.95);
    --card-border: rgba(135, 139, 180, 0.15); /* Tinted with logo accent */
    --card-border-hover: rgba(135, 139, 180, 0.6); /* Slate blue hover */
    
    --text-primary: #191b26; /* Dark slate navy (cool charcoal) */
    --text-secondary: #5c5e6f; /* Cool slate gray */
    --text-muted: #888aa3;
    
    --accent: #878bb4; /* Premium Slate Blue (From Logo) */
    --accent-rgb: 135, 139, 180;
    --accent-hover: #6d719e; /* Deeper slate blue */
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-quick: all 0.2s ease;
    
    --header-bg: rgba(247, 245, 240, 0.85);
    --footer-bg: rgba(240, 237, 230, 0.95);
    --filter-bar-bg: rgba(247, 245, 240, 0.9);
    
    --modal-media-bg: radial-gradient(circle at center, #fdfdfb 0%, #eae6e0 100%);
    --modal-details-bg: rgba(255, 255, 255, 0.98);
    
    --input-bg: #ffffff;
    --input-bg-focus: #fbfbfd;
    --input-border: rgba(0, 0, 0, 0.1);
    --card-img-bg: radial-gradient(circle at center, #ffffff 0%, #f1f1f5 100%);
}

[data-theme="dark"] {
    --bg-color: #121318; /* Deep charcoal navy */
    --card-bg: rgba(28, 29, 38, 0.85); /* Dark paper slate */
    --card-bg-solid: rgba(24, 25, 33, 0.98);
    --card-border: rgba(135, 139, 180, 0.2);
    --card-border-hover: rgba(135, 139, 180, 0.7);
    
    --text-primary: #f3f4f6; /* Warm off-white */
    --text-secondary: #a3a5be; /* Cool lavender-grey */
    --text-muted: #72748a;
    
    --accent: #a5a9d8; /* Slightly brighter slate blue for contrast in dark mode */
    --accent-rgb: 165, 169, 216;
    --accent-hover: #babbec;
    
    --header-bg: rgba(18, 19, 24, 0.85);
    --footer-bg: rgba(14, 15, 19, 0.95);
    --filter-bar-bg: rgba(18, 19, 24, 0.9);
    
    --modal-media-bg: radial-gradient(circle at center, #1b1c22 0%, #0c0d10 100%);
    --modal-details-bg: rgba(18, 19, 24, 0.98);
    
    --input-bg: #1e1f28;
    --input-bg-focus: #252633;
    --input-border: rgba(135, 139, 180, 0.2);
    --card-img-bg: radial-gradient(circle at center, #1b1c22 0%, #141519 100%);
}

/* --- Page Fade-in Transition --- */
@keyframes pageFade {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; }
}
body.page-fade {
    /* forwards-only fade; NO lingering transform (a transform on <body> breaks
       position:fixed for the header, modal, and back-to-top button) */
    animation: pageFade 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--accent);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    z-index: 9999;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* --- Base Reset & Scroll --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.35s ease, color 0.35s ease;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(var(--accent-rgb), 0.12) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(var(--accent-rgb), 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(var(--accent-rgb), 0.04) 0%, transparent 60%);
    background-attachment: fixed;
    transition: background-color 0.35s ease;
}

/* --- Scrollbar Customization --- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- Header / Navigation --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--header-bg);
    border-bottom: 1px solid var(--card-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--accent);
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-quick);
    position: relative;
    padding: 0.25rem 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--accent);
    transition: var(--transition-quick);
}

nav a:hover, nav a.active {
    color: var(--text-primary);
}

nav a:hover::after, nav a.active::after {
    width: 100%;
}

/* --- Hero Section --- */
.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.hero-badge {
    background: rgba(135, 139, 180, 0.1);
    border: 1px solid rgba(135, 139, 180, 0.2);
    color: var(--accent);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    font-family: var(--font-heading);
    animation: fadeInDown 0.8s ease-out;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.6;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* --- Home Hero Variant --- */
.home-hero {
    min-height: 65vh;
    padding-top: 10rem;
    padding-bottom: 3rem;
}

.hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.25rem;
    animation: fadeInDown 0.6s ease-out both;
}

/* --- Category Cover Card Hover Overlay --- */
/* Home page cover cards get a full-image overlay on hover */
#categories .portfolio-card .card-img-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28,29,33,0.65) 0%, rgba(28,29,33,0.1) 60%, transparent 100%);
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: 3;
}
#categories .portfolio-card:hover .card-img-wrapper::after {
    opacity: 1;
}
/* Make covers taller for editorial feel */
#categories .card-img-wrapper {
    padding-top: 130%;
}
#categories .card-img-fg {
    object-fit: cover;
    padding: 0;
}

/* --- Portfolio Page Header --- */
.portfolio-page-header {
    padding: 8rem 2rem 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.portfolio-page-header h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.portfolio-page-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* --- Back Link --- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: var(--transition-quick);
    padding: 0.4rem 0;
}
.back-link:hover {
    gap: 0.7rem;
    color: var(--accent-hover);
}

.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-quick);
    font-size: 0.95rem;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(135, 139, 180, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

/* --- Section Container --- */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* --- Portfolio Filter Bar --- */
.filter-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    position: sticky;
    top: 70px;
    z-index: 100;
    background: var(--filter-bar-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-radius: 12px;
}

.filter-btn {
    text-decoration: none;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-quick);
    backdrop-filter: blur(8px);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.filter-btn.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 600;
}

/* --- Portfolio Grid --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* --- Portfolio Card --- */
.portfolio-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    opacity: 0;
    transform: scale(0.95);
    animation: cardLoad 0.5s ease forwards;
}

@keyframes cardLoad {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.portfolio-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-border-hover);
    box-shadow: 
        0 12px 24px rgba(0, 0, 0, 0.08),
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 0 0 1px rgba(135, 139, 180, 0.25);
}

.card-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio square default */
    overflow: hidden;
    background: var(--card-img-bg);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.06);
    transition: background 0.35s ease;
}

/* Custom aspect ratio overrides for specific files if wanted */
.portfolio-card.web .card-img-wrapper {
    padding-top: 130%; /* taller for UI/UX mobile presentations */
}

.card-img-bg {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    object-fit: cover;
    filter: blur(22px);
    opacity: 0.25;
    transition: var(--transition-smooth);
    z-index: 1;
}

.card-img-fg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1.25rem;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-img-fg.loaded {
    opacity: 1;
}

.portfolio-card:hover .card-img-fg {
    transform: scale(1.05);
}

.portfolio-card:hover .card-img-bg {
    opacity: 0.45;
}

.card-info {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    border-top: 1px solid var(--card-border);
    background: var(--card-bg-solid);
}

.card-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* --- About Section --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/5;
    border: 1px solid var(--card-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.about-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.skill-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.25rem;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-card h4 {
    font-family: var(--font-heading);
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 600;
}

.skill-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* --- Contact Section --- */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 3rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    padding: 0.85rem 1rem;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-quick);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--input-bg-focus);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.contact-form .btn {
    text-align: center;
    border: none;
}

/* --- Footer --- */
footer {
    margin-top: auto;
    border-top: 1px solid var(--card-border);
    background: var(--footer-bg);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-quick);
}

.footer-links a:hover {
    color: var(--accent);
}

/* --- Modal Overlay --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(30, 28, 24, 0.92);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: none;
    color: #f3f4f6;
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition-quick);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.modal-close:hover {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.modal-container {
    max-width: 1200px;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.6);
    transform: scale(0.95);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 85vh;
}

.modal.active .modal-container {
    transform: scale(1);
}

.modal-media {
    background: var(--modal-media-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    height: 100%;
    position: relative;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.08);
}

.modal-media img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    width: auto;
    height: auto;
}

.modal-details {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto;
    background: var(--modal-details-bg);
    border-left: 1px solid var(--card-border);
}

.modal-category {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
}

.modal-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.modal-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--card-border);
}

.modal-meta-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.modal-meta-val {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Accessibility --- */
a:focus,
button:focus,
.filter-btn:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* --- Back to Top --- */
#backToTop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-quick);
    z-index: 999;
}
#backToTop.show {
    display: flex;
}
#backToTop:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

/* --- Mobile Nav Toggle --- */
.nav-toggle {
    display: none;
}
.nav-toggle-label {
    display: none;
    cursor: pointer;
    width: 25px;
    height: 20px;
    position: relative;
}
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: var(--text-primary);
    height: 2px;
    position: absolute;
    transition: var(--transition-quick);
    width: 100%;
}
.nav-toggle-label span {
    top: 9px;
}
.nav-toggle-label span::before {
    content: '';
    top: -9px;
}
.nav-toggle-label span::after {
    content: '';
    bottom: -9px;
}

/* --- Media Queries --- */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-visual {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .modal-container {
        grid-template-columns: 1fr;
        grid-template-rows: 2fr 1fr;
        max-height: 90vh;
    }
    
    .modal-details {
        padding: 2rem;
        border-left: none;
        border-top: 1px solid var(--card-border);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 70vh;
        padding: 7rem 1.5rem 3rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .nav-toggle-label {
        display: block;
    }
    
    .mobile-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        flex-direction: column;
        padding: 2rem;
        gap: 2rem;
        border-bottom: 1px solid var(--card-border);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    
    .mobile-nav a {
        font-size: 1.2rem;
    }

    .nav-toggle:checked ~ .mobile-nav {
        display: flex;
    }

    .nav-toggle:checked ~ .nav-controls .nav-toggle-label span {
        background: transparent;
    }
    .nav-toggle:checked ~ .nav-controls .nav-toggle-label span::before {
        transform: rotate(45deg);
        top: 0;
    }
    .nav-toggle:checked ~ .nav-controls .nav-toggle-label span::after {
        transform: rotate(-45deg);
        top: 0;
    }
    
    .section {
        padding: 3rem 1.25rem;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.25rem;
    }
    
    .filter-bar {
        gap: 0.5rem;
        top: 56px;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .contact-container {
        padding: 2rem 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-container {
        max-height: 95vh;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    nav {
        gap: 0.75rem;
    }
    
    nav a {
        font-size: 0.8rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Premium Theme Toggle Button --- */
.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-quick);
    padding: 0;
}
.theme-toggle-btn:hover {
    background: var(--card-bg);
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.05);
}
.theme-toggle-btn svg {
    transition: transform 0.4s ease;
}
.theme-toggle-btn:hover svg {
    transform: rotate(25deg);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

/* --- Modal Navigation Buttons --- */
.modal-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-quick);
    z-index: 10;
}
.modal-nav-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.modal-nav-btn.prev-btn {
    left: 1rem;
}
.modal-nav-btn.next-btn {
    right: 1rem;
}

/* --- Scroll-Reveal Utility Styles --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Modal Position Indicator --- */
.modal-position {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #f3f4f6;
    padding: 0.35rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    font-family: var(--font-body);
    z-index: 10;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* ==========================================================================
   ENHANCEMENTS — visual polish + phone-ready (appended; overrides above)
   ========================================================================== */

:root{ --warm:#c98a5b; --warm-soft:#e0b48c; }
[data-theme="dark"]{ --warm:#d59a6a; --warm-soft:#e6bd94; }

/* Smoother global type + selection */
::selection{ background:var(--warm-soft); color:#1a1a1a; }
body{ text-rendering:optimizeLegibility; }

/* Hero: Arabic name accent + warmer gradient on the name */
.hero-ar{
  font-family:'Tajawal', var(--font-heading);
  font-size:clamp(1.15rem, 3.5vw, 1.6rem);
  font-weight:500;
  color:var(--accent);
  opacity:.9;
  margin:.15rem 0 1.6rem;
  animation:fadeInUp .8s ease-out .3s both;
}
.hero h1 span{
  background:linear-gradient(120deg, var(--text-primary) 0%, var(--accent) 55%, var(--warm) 100%);
  -webkit-background-clip:text; background-clip:text;
}
.home-hero h1{ font-size:clamp(2.4rem, 7vw, 4.4rem); }

/* Buttons: warmer, softer, better tap target */
.btn-primary{
  background:linear-gradient(135deg, var(--accent), var(--accent-hover));
  color:#fff; border:none; border-radius:12px;
  box-shadow:0 6px 18px -8px rgba(var(--accent-rgb), .6);
}
.btn-primary:hover{ box-shadow:0 12px 26px -8px rgba(var(--accent-rgb), .7); }

/* Section headers: small warm accent underline */
.section-header h2{ position:relative; display:inline-block; }
.section-header h2::after{
  content:''; position:absolute; left:50%; bottom:-14px; transform:translateX(-50%);
  width:52px; height:3px; border-radius:3px;
  background:linear-gradient(90deg, var(--accent), var(--warm));
}

/* Cards: rounder, softer, lift + warm ring on hover */
.portfolio-card{ border-radius:16px; }
.card-img-wrapper{ border-top-left-radius:16px; border-top-right-radius:16px; }
.portfolio-card:hover{
  transform:translateY(-8px);
  box-shadow:0 20px 40px -18px rgba(0,0,0,.28), 0 0 0 1px rgba(var(--accent-rgb),.28);
}
.card-title{ font-size:1.15rem; line-height:1.25; }

/* Video cards: keep Antigravity's autoplaying muted preview (no overlay) */
.portfolio-card.video .card-img-wrapper{ background:#050608; }

/* --- PHONE-READY --- */
@media (max-width:768px){
  /* Filter bar → horizontal swipe instead of tall wrap */
  .filter-bar{
    flex-wrap:nowrap; justify-content:flex-start;
    overflow-x:auto; -webkit-overflow-scrolling:touch;
    scrollbar-width:none; border-radius:0;
    margin-inline:-1.25rem; padding-inline:1.25rem;
    top:58px;
  }
  .filter-bar::-webkit-scrollbar{ display:none; }
  .filter-btn{ flex:0 0 auto; }

  /* Roomier hero + tighter grid */
  .home-hero{ min-height:auto; padding-top:8rem; }
  .hero p{ font-size:1.02rem; }
  .portfolio-grid{ grid-template-columns:1fr 1fr; gap:1rem; }
  #categories .portfolio-grid{ grid-template-columns:1fr; }
  .card-title{ font-size:1.05rem; }
  .card-info{ padding:1rem 1.1rem; }

  /* Modal fits small screens */
  .modal{ padding:1rem; }
  .modal-close{ top:1rem; right:1rem; width:42px; height:42px; font-size:2rem; }
  .modal-nav-btn{ width:40px; height:40px; font-size:1.2rem; }
  .modal-nav-btn.prev-btn{ left:.4rem; } .modal-nav-btn.next-btn{ right:.4rem; }
  .modal-details{ padding:1.4rem; }
  .modal-title{ font-size:1.4rem; }

  /* Comfortable tap targets */
  nav a{ padding:.4rem 0; }
}

@media (max-width:430px){
  .portfolio-grid{ grid-template-columns:1fr; }
  .hero h1{ font-size:2.1rem; }
  .section{ padding:2.75rem 1.1rem; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1 !important; transform:none !important; }
  .portfolio-card{ opacity:1 !important; transform:none !important; }
}

/* Logo mark + wordmark */
.logo-mark{ height:38px; width:auto; display:block; }
.logo-word{
  font-family:var(--font-heading); font-weight:700; font-size:1.15rem;
  letter-spacing:-.3px; color:var(--text-primary); white-space:nowrap;
}
footer .logo-word{ font-size:1.05rem; }
@media (max-width:480px){
  .logo-word{ font-size:1rem; }
  .logo-mark{ height:32px; }
}

/* Contact chips (email/social) */
.contact-links{ display:flex; justify-content:center; gap:.75rem; flex-wrap:wrap; margin-bottom:1.75rem; }
.contact-chip{
  display:inline-flex; align-items:center; gap:.4rem;
  padding:.7rem 1.3rem; border-radius:100px;
  border:1px solid var(--card-border); background:var(--card-bg);
  color:var(--text-primary); font-weight:600; font-size:.92rem;
  transition:var(--transition-quick);
}
.contact-chip:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }

/* Accessibility: darker primary buttons for AA contrast with white text */
.btn-primary{ background:linear-gradient(135deg,#5f6396,#4b4f78); color:#fff; }
.btn-primary:hover{ background:linear-gradient(135deg,#565a8c,#42466c); }
[data-theme="dark"] .btn-primary{ background:linear-gradient(135deg,#6d719e,#565a86); }

/* About panel showing the logo instead of a photo */
.about-visual--logo{
  background:linear-gradient(160deg, var(--card-bg-solid), var(--bg-color));
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--card-border);
}
.about-logo{ width:60%; max-width:260px; height:auto; object-fit:contain; }

/* About: at-a-glance facts pulled from the CV */
.about-facts{ margin-top:1.75rem; display:grid; gap:0; }
.about-facts > div{ display:flex; gap:1rem; align-items:baseline; border-top:1px solid var(--card-border); padding:.8rem 0; }
.fact-label{ flex:0 0 96px; font-family:var(--font-heading); font-weight:600; font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--accent); }
.fact-val{ color:var(--text-secondary); font-size:.95rem; }
@media(max-width:480px){ .about-facts > div{ flex-direction:column; gap:.15rem; } .fact-label{ flex:none; } }

/* FIX: About-panel logo must be contained (was being stretched by .about-visual img cover rule) */
.about-visual--logo img,
.about-visual--logo img.about-logo{
  width:62%; max-width:250px; height:auto; object-fit:contain;
}
/* FIX: nav/footer logo marks are square (logo viewBox is 1:1) — never stretch */
.logo-mark{ height:38px; width:38px; object-fit:contain; }
footer .logo-mark{ height:42px; width:42px; }

/* FIX: working mobile menu (class-based; replaces the broken sibling selector) */
@media (max-width:768px){
  body.mobile-menu-open .mobile-nav{ display:flex; }
  body.mobile-menu-open .nav-toggle-label span{ background:transparent; }
  body.mobile-menu-open .nav-toggle-label span::before{ transform:rotate(45deg); top:0; }
  body.mobile-menu-open .nav-toggle-label span::after{ transform:rotate(-45deg); top:0; }
}
/* Hero role / location line */
.hero-role{
  font-family:var(--font-heading); font-weight:500;
  font-size:clamp(.95rem,2.5vw,1.1rem); color:var(--text-secondary);
  letter-spacing:.02em; margin:.1rem 0 1.5rem;
}
.modal-position{ pointer-events:none; }

/* --- Webpage Layout Modal View (simulates viewing a live browser) --- */
.modal.web-layout .modal-media {
    display: block; /* Remove flex centering */
    overflow-y: auto; /* Enable natural vertical scrolling */
    background: #ffffff; /* Neutral white canvas for browser mockup */
    height: 100%;
    scrollbar-width: thin;
}

.modal.web-layout .modal-media img {
    max-height: none; /* Let image stretch vertically */
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: fill;
}

/* Sticky address bar top bar */
.browser-address-sticky {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 44px;
    background: #f1f1f5;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .browser-address-sticky {
    background: #1e1f29;
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.browser-address-dot-group {
    display: flex;
    gap: 6px;
    position: absolute;
    left: 1.25rem;
}

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

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

.browser-address-text {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 6px;
    height: 26px;
    width: 55%;
    max-width: 380px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    color: #5c5e6f;
    font-family: var(--font-body);
    font-weight: 400;
}

[data-theme="dark"] .browser-address-text {
    background: #121318;
    border-color: rgba(255, 255, 255, 0.08);
    color: #a3a5be;
}

/* Ensure modal details has a subtle gap from scroll */
.modal.web-layout .modal-container {
    max-height: 88vh;
}

/* --- Hero CTA Down Arrow Bouncing Animation --- */
.scroll-arrow {
    display: inline-block;
    animation: arrowBounce 1.6s infinite;
}

@keyframes arrowBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(6px);
    }
}

/* FIX (mobile): distinct menu panel + filter bar clears the 75px fixed header */
@media (max-width:768px){
  .mobile-nav{
    background: var(--card-bg-solid);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    box-shadow: 0 18px 34px rgba(0,0,0,0.22);
    border-bottom: 1px solid var(--card-border);
    padding-top: 1.75rem; padding-bottom: 1.75rem;
  }
  .filter-bar{ top: 76px; }
}
/* FIX (mobile): fully opaque menu panel — no bleed-through of hero content */
@media (max-width:768px){
  .mobile-nav{ background:#fbf9f5; }
  [data-theme="dark"] .mobile-nav{ background:#16171d; }
}
