/* ========================================
   PORTFOLIO SITE - MAIN STYLESHEET
   Experimental Brutalist Design
   ======================================== */

:root {
    --bg-primary: #F5F5F5;
    --bg-dark: #2A2A2A;
    --text-primary: #1A1A1A;
    --text-light: #FFFFFF;
    --accent-red: #FF0000;
    --accent-gray: #2A2A2A;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --transition-quick: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-smooth: 0.6s ease;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Typography Scale */
h1 {
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.1;
}

h2 {
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
}

h3 {
    font-size: clamp(1.125rem, 3vw, 1.75rem);
    font-weight: 600;
}

p {
    font-size: 1rem;
    line-height: 1.7;
    margin: var(--spacing-md) 0;
}

.meta-label,
.project-type {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--text-primary);
}

.navbar-container {
    max-width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-quick);
}

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

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
    position: relative;
    transition: color var(--transition-quick);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-red);
    transition: width var(--transition-quick);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-quick);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .navbar-container {
        padding: var(--spacing-md);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: left;
        transition: left 0.3s;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--text-primary);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 1.125rem;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link.active {
        color: var(--accent-red);
    }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-primary);
}

.hero-content {
    flex: 1;
    z-index: 10;
    max-width: 60%;
}

.hero-title {
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 0.9;
    margin-bottom: var(--spacing-lg);
    word-spacing: 100vw;
    animation: slideIn 1s ease-out forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--accent-gray);
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 1s ease-out 0.3s forwards;
    opacity: 0;
}

.hero-subtitle p {
    margin: 0;
}

.hero-metadata {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    animation: fadeIn 1s ease-out 0.6s forwards;
    opacity: 0;
}

/* mobile-only duplicated metadata (hidden by default) */
.hero-metadata--mobile {
    display: none;
}

.meta-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--text-primary);
    width: fit-content;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 400px;
}

.parallax-bg {
    /* fill the hero visual area reliably (absolute avoids collapsing) */
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FF0000 0%, #2A2A2A 100%);
    background-size: cover;
    background-position: center;
    border: 2px solid var(--text-primary);
    animation: fadeIn 1s ease-out forwards;
    opacity: 0;
    z-index: 0;
}

.hero-image {
    position: absolute;
    width: 65%;
    height: 65%;
    top: 20%;
    left: 25%;
    object-fit: cover;
    object-position: center;
    animation: fadeIn 1s ease-out forwards;
    opacity: 0;
    z-index: 2;
}

.hero-visual {
    overflow: hidden;
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(-40px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1600px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: var(--spacing-md);
}

.page-title {
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--accent-gray);
    margin: 0;
}

/* ========================================
   FEATURED WORK GRID
   ======================================== */

.featured-work {
    background-color: var(--bg-primary);
    /* tighten vertical spacing for featured work section */
    padding: var(--spacing-sm) var(--spacing-lg);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    /* allow item height to be determined by aspect-ratio for true squares */
}

.featured-large {
    grid-column: span 2;
    grid-row: span 2;
}

.featured-medium {
    grid-column: span 1;
    grid-row: span 1;
}

.featured-small {
    grid-column: span 1;
    grid-row: span 1;
}

/* ========================================
   PROJECT CARDS
   ======================================== */

.project-card {
    position: relative;
    overflow: hidden;
    border: 2px solid var(--text-primary);
    background-color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    /* ensure cards render as squares */
    aspect-ratio: 1 / 1;
}

.project-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
    border-color: var(--accent-red);
}

.project-image {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    transition: transform var(--transition-normal);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    /* darker gradient overlay for better text contrast */
    background: linear-gradient(180deg, rgba(210, 9, 9, .9) 0%, rgba(0, 0, 0, 0.75) 100%);
    /* remove blur so text is sharp and legible */
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.28s var(--transition-smooth), transform 0.28s var(--transition-smooth);
    border: 2px solid rgba(255,255,255,0.08);
    box-sizing: border-box;
    z-index: 2;
}

.project-card:hover .project-overlay {
    opacity: 1;
    transform: translateY(0);
}

.project-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    color: var(--text-light);
}

.project-overlay p {
    margin: var(--spacing-xs) 0;
    font-size: 0.95rem;
    color: var(--text-light);
}

.project-description {
    display: none;
    font-size: 0.85rem;
    color: var(--accent-gray);
    line-height: 1.5;
}

.featured-large .project-description,
.featured-medium .project-description {
    display: block;
}

.read-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-red);
    margin-top: var(--spacing-sm);
    transition: all var(--transition-quick);
}

.project-card:hover .read-more {
    transform: translateX(4px);
}

/* ========================================
   CURRENT PROJECT SECTION
   ======================================== */

.current-project {
    background-color: #F0F0F0;
    border-top: 2px solid var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
}

.project-card.current {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    border: 2px solid var(--accent-red);
    max-width: 100%;
    background-color: var(--text-light);
    margin-top: var(--spacing-lg);
    /* allow card to grow vertically instead of forcing square shape */
    aspect-ratio: auto;
    overflow: visible; /* ensure internal content is not clipped */
}

.project-card.current .project-image {
    position: relative;
    height: 300px;
}

.project-card.current:hover .project-image {
    transform: none;
}

.project-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.project-status {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--accent-red);
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    line-height: 1.6;
    text-transform: uppercase;
}

/* progress timeline for current project */
.project-progress {
    margin: 0 0 var(--spacing-lg) 0;
    padding: var(--spacing-lg) var(--spacing-md);
    width: 100%;
    text-align: center;
}

/* pie chart */
.progress-pie {
    width: 90px;
    height: 90px;
    margin: 0 auto var(--spacing-md);
}
.circular-chart {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    max-height: 100%;
}
.circle-bg {
    fill: none;
    stroke: #eee;
    stroke-width: 3.8;
}
.circle {
    fill: none;
    stroke-width: 2.8;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    stroke: var(--accent-red);
}
.chart-text {
    font-size: 0.4em;
    text-anchor: middle;
    fill: var(--text-primary);
}

.start-date {
    font-size: 0.85rem;
    color: var(--accent-gray);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-sm);
}
.progress-bar {
    background: #ddd;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    margin: 0 auto var(--spacing-md);
    width: 95%;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.progress-fill {
    background: var(--accent-red);
    height: 100%;
    width: 0;
    transition: width 0.6s ease-out;
    box-shadow: 0 0 8px rgba(210, 9, 9, 0.5);
}
.progress-steps {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    list-style: none;
    padding: var(--spacing-md) var(--spacing-sm);
    margin: 0;

    /* Additional constraints to fully prevent horizontal overflow */
    .project-card.current {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .project-progress,
    .progress-timeline,
    .progress-bar,
    .progress-steps {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
        overflow: visible;
    }

    .progress-steps {
        overflow-x: auto;
    }

    .progress-steps li {
        min-width: 28px;
    }
    width: 95%;
    margin-left: auto;
    margin-right: auto;
}
.progress-steps li {
    position: relative;
    color: var(--accent-gray);
    flex: 1;
    text-align: center;
    padding: 0 var(--spacing-xs);
}
.progress-steps li::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    transition: background 0.3s;
}
.progress-steps li.complete {
    color: var(--text-primary);
}
.progress-steps li.complete::before {
    background: var(--accent-red);
    animation: step-pop 0.6s ease-out;
}

@keyframes step-pop {
    0% { transform: translateX(-50%) scale(0.6); }
    50% { transform: translateX(-50%) scale(1.3); }
    100% { transform: translateX(-50%) scale(1); }
}

@media (max-width: 768px) {
    .progress-steps {
        font-size: 0.65rem;
        width: 95%;
        padding: var(--spacing-md) var(--spacing-xs);
    }
    .progress-bar {
        width: 95%;
    }
}

/* Make current project stack on small screens to avoid horizontal overflow */
@media (max-width: 768px) {
    .project-card.current {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0;
    }

    .project-card.current .project-image {
        height: 220px;
    }

    .project-progress {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        box-sizing: border-box;
    }

    .progress-timeline {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.5rem;
    }

    .progress-steps {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem;
        width: 100%;
        padding: var(--spacing-sm) 0;
    }

    .progress-steps li {
        flex: 0 0 auto;
        min-width: 40px;
        padding: 0 4px;
    }
}

.progress-steps li:hover::before {
    transform: translateX(-50%) scale(1.6);
}

/* hide linear bar when showing pie chart */
.progress-timeline .progress-bar {
    display: none;
}
.project-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid #E0E0E0;
}


.meta {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--text-primary);
    background-color: var(--bg-primary);
}

/* ========================================
   PORTFOLIO PAGE - FILTER SECTION
   ======================================== */

.filter-section {
    padding: .05em 4em .05em 4em;
    background-color: var(--bg-primary);
}

.filter-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--text-primary);
    background-color: transparent;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-quick);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--accent-red);
    color: var(--text-light);
    border-color: var(--accent-red);
    transform: scale(1.05);
}

/* ========================================
   PROJECTS GRID
   ======================================== */

.projects-section {
    background-color: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-item {
    min-height: 250px;
}

/* ========================================
   ABOUT PAGE
   ======================================== */
.about-header {
    text-align: left;
    margin-top: 3rem;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--text-primary);
    padding-bottom: var(--spacing-md);
}

.about-bio {
    background-color: var(--bg-primary);
}

.bio-content {
    max-width: 900px;
}

.bio-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--accent-gray);
}

/* ========================================
   SKILLS SECTION
   ======================================== */

.skills-section {
    background-color: #F0F0F0;
    border-top: 2px solid var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.skill-category {
    padding: var(--spacing-lg);
    border: 2px solid var(--text-primary);
    background-color: var(--text-light);
}

.skill-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent-red);
    padding-bottom: var(--spacing-md);
}

.skill-list {
    list-style: none;
}

.skill-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #E0E0E0;
    font-size: 0.95rem;
}

.skill-list li:last-child {
    border-bottom: none;
}

/* ========================================
   TIMELINE SECTION
   ======================================== */

.timeline-section {
    background-color: var(--bg-primary);
}

.timeline {
    margin-top: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: var(--spacing-md);
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--text-primary);
}

.timeline-item {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-marker {
    position: absolute;
    left: -1.75rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    background-color: var(--accent-red);
    border: 2px solid var(--bg-primary);
    border-radius: 50%;
}

.timeline-content {
    padding: var(--spacing-md);
    border: 2px solid var(--text-primary);
    background-color: var(--text-light);
}

.timeline-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-date {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--accent-red);
    margin-bottom: var(--spacing-md);
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--accent-gray);
}

/* ========================================
   CONTACT PAGE
   ======================================== */

.contact-header {
    text-align: left;
    border-bottom: 1px solid var(--text-primary);
    padding-bottom: var(--spacing-lg);
    margin-top: 3rem;
    margin-bottom: var(--spacing-lg);
}

.contact-content {
    /* use grid so info and form sit side-by-side on larger screens */
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start; /* ensure both columns align at top */
    /* constrain overall width and center on page */
    max-width: 1200px;
    margin: 0 auto;
}

/* make form visually match the info panel for better balance */
.contact-form {
    background-color: #F0F0F0;
    padding: var(--spacing-md);
    border: 2px solid var(--text-primary);
}

.contact-info {
    background-color: #F0F0F0;
    padding: var(--spacing-md);
    border: 2px solid var(--text-primary);
}

.info-block {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid #D0D0D0;
}

.info-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-block h3 {
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.info-block p,
.info-block a {
    font-size: 0.95rem;
    line-height: 1.6;
}

.info-block a {
    color: var(--accent-red);
    text-decoration: none;
    transition: all var(--transition-quick);
}

.info-block a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.social-links li {
    padding: 0;
    border: none;
}

.social-links a {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--text-primary);
    transition: all var(--transition-quick);
}

.social-links a:hover {
    background-color: var(--accent-red);
    color: var(--text-light);
    border-color: var(--accent-red);
}

/* ========================================
   FORM STYLES
   ======================================== */

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-md);
    border: 2px solid var(--text-primary);
    background-color: var(--text-light);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-quick);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: inset 0 0 0 2px rgba(255, 0, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-status {
    padding: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #D4EDDA;
    border: 2px solid #28A745;
    color: #155724;
}

.form-status.error {
    display: block;
    background-color: #F8D7DA;
    border: 2px solid #DC3545;
    color: #721C24;
}

/* ========================================
   FAQ SECTION
   ======================================== */

.faq-section {
    background-color: #F0F0F0;
    border-top: 2px solid var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
}

.faq-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.faq-item {
    padding: var(--spacing-lg);
    border: 2px solid var(--text-primary);
    background-color: var(--text-light);
}

.faq-question {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: color var(--transition-quick);
}

.faq-question:hover {
    color: var(--accent-red);
}

.faq-answer {
    font-size: 0.95rem;
    color: var(--accent-gray);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--text-primary);
    color: var(--text-light);
    border-top: 2px solid var(--accent-red);
    border-bottom: 2px solid var(--accent-red);
}

.cta-section h2 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--accent-red);
    color: var(--text-light);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid var(--accent-red);
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--accent-red);
    transform: scale(1.05);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--text-primary);
    color: var(--text-light);
    border-top: 2px solid var(--text-primary);
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-text {
    font-size: 0.85rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-size: 0.85rem;
    color: var(--text-light);
    transition: color var(--transition-quick);
}

.footer-link:hover {
    color: var(--accent-red);
}

/* ========================================
   PORTFOLIO HEADER
   ======================================== */

.portfolio-header {
    text-align: left;
    border-bottom: 1px solid var(--text-primary);
    padding-bottom: var(--spacing-lg);
    margin-top: 3rem;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   CASE STUDY MODAL
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    animation: fadeInModal 0.3s ease;
}

@keyframes fadeInModal {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--text-light);
    border: 2px solid var(--text-primary);
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-xl);
    position: relative;
    animation: slideInModal 0.3s ease;
}

@keyframes slideInModal {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-quick);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.modal-close:hover {
    color: var(--accent-red);
    transform: scale(1.2);
}

.modal-body {
    margin-top: var(--spacing-lg);
}

/* Case Study Styling */

.case-study {
    animation: fadeIn 0.4s ease 0.1s both;
}

.case-study-title {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: var(--spacing-md);
}

/* Hero image shown at top of case study modal */
.case-study-hero {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.case-study-hero img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    object-fit: cover;
}

.case-study-type {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--accent-red);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.type-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--text-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.case-study-intro {
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--accent-gray);
}

.case-study-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: #F0F0F0;
    border: 1px solid #E0E0E0;
}

.case-study-meta {
    display: contents;
}

.meta-item {
    padding: var(--spacing-md);
    border: 1px solid #D0D0D0;
    background-color: var(--text-light);
    font-size: 0.95rem;
}

.meta-item strong {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-red);
}

.case-study-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.case-study-section {
    padding: var(--spacing-lg);
    border: 2px solid var(--text-primary);
    background-color: var(--bg-primary);
}

.case-study-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent-red);
    padding-bottom: var(--spacing-md);
}

.case-study-section p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--accent-gray);
    margin: 0;
}

.results-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.results-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #E0E0E0;
    font-size: 0.95rem;
    color: var(--accent-gray);
}

.results-list li:last-child {
    border-bottom: none;
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.tool-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--text-primary);
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.progress-section .progress-text {
    font-style: italic;
    color: var(--accent-red);
    margin: 0;
}

/* Clickable Cards */

.clickable {
    cursor: pointer;
    transition: all var(--transition-normal);
}

.clickable:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Project Images Gallery */

.project-images-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    width: 100%;
}

.gallery-item {
    overflow: hidden;
    border: 2px solid var(--text-primary);
    background-color: var(--text-light);
    transition: all var(--transition-normal);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.image-caption {
    padding: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--accent-gray);
    text-align: center;
    margin: 0;
    border-top: 1px solid #E0E0E0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 2rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        /* reduce vertical padding on tablet so content stacks tighter */
        padding: 2rem 1.5rem;
    }

    /* reduce overall hero height on tablet so content doesn't push below */
    .hero {
        min-height: 60vh;
    }

    .hero-content {
        max-width: 100%;
        /* keep a small gap but not too large */
        margin-bottom: 0.5rem;
    }

    /* reduce subtitle spacing for tighter stacking */
    .hero-subtitle {
        margin-bottom: 0.125rem;
    }

    /* make title spacing smaller on tablet */
    .hero-title {
        margin-bottom: var(--spacing-md);
    }

    .hero-visual {
        width: 100%;
        max-width: 900px;
        /* make height responsive to viewport while enforcing sensible limits */
        height: clamp(360px, 45vh, 560px);
        min-height: 320px;
    }

    /* show mobile duplicate and hide original (so metadata moves below visual) */
    .hero-content .hero-metadata {
        display: none;
    }

    .hero-metadata--mobile {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-xs);
        z-index: 10;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .project-card.current {
        grid-template-columns: 1fr;
        /* remove forced square on smaller viewports */
        aspect-ratio: auto;
        overflow: visible;
    }

    .project-card.current .project-image {
        height: 200px;
    }
}
    /* Prevent status bar from overflowing due to horizontal padding */
    .project-status {
        box-sizing: border-box;
        padding: var(--spacing-sm);
        font-size: 1rem;
        white-space: normal;
        word-wrap: break-word;
        overflow-wrap: anywhere;
    }

    .project-card.current .project-image {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        background-size: cover;
        background-position: center;
    }

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
        --spacing-md: 1rem;
    }

    .modal-content {
        max-width: 95%;
        max-height: 95vh;
        padding: var(--spacing-lg);
    }

    .case-study-title {
        font-size: 1.75rem;
    }

    .case-study-sections {
        grid-template-columns: 1fr;
    }

    .case-study-meta-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: var(--spacing-lg);
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-lg);
        margin-top: 80px;
        min-height: auto;
    }

    /* smaller hero visual for tighter viewports */
    .hero-visual {
        height: 280px;
    }

    /* tighten vertical spacing on smaller screens */
    .hero-content {
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        margin-bottom: var(--spacing-xs);
    }

    .hero-metadata--mobile {
        margin-top: var(--spacing-sm);
    }

    .featured-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
    }

    .featured-large,
    .featured-medium,
    .featured-small {
        grid-column: span 1;
        grid-row: span 1;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-item {
        min-height: 200px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-marker {
        left: -1.25rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .navbar-container {
        padding: var(--spacing-md);
    }

    .faq-container {
        grid-template-columns: 1fr;
    }

    /* Mobile fixes: disable hover transforms, clip overflow, and constrain image/status/timeline */
    .project-card,
    .project-card:hover {
        transform: none !important;
        box-shadow: none !important;
    }

    .project-card.current {
        overflow: hidden;
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .project-card.current .project-image {
        position: relative !important;
        height: 160px;
        width: 100%;
        max-width: 100%;
        left: 0;
        top: 0;
        transform: none !important;
    }

    .project-status {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        box-sizing: border-box;
        white-space: normal;
        overflow-wrap: break-word;
    }

    .project-progress,
    .progress-timeline,
    .progress-bar,
    .progress-steps {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 0;
        margin: 0;
    }

    .progress-steps {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 0.25rem;
    }

    .progress-steps li {
        min-width: 24px;
        padding: 0 6px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-md: 0.75rem;
    }

    section {
        padding: var(--spacing-lg);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .page-title {
        font-size: 1.75rem;
    }

    .filter-container {
        gap: var(--spacing-sm);
    }

    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }

    /* very small screens: keep hero visual readable */
    .hero-visual {
        height: 220px;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-lg);
        margin-top: 70px;
    }

    /* extra-tight spacing on very small screens */
    .hero-content {
        margin-bottom: var(--spacing-xs);
    }

    .hero-subtitle {
        margin-bottom: var(--spacing-xs);
    }

    .hero-metadata--mobile {
        margin-top: var(--spacing-xs);
    }

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

    .cta-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.8rem;
    }

    /* Extra-tight mobile fixes for iPhone-size viewports to prevent any horizontal overflow */
    .project-card.current,
    .project-card.current * {
        box-sizing: border-box;
        max-width: 100%;
        width: 100%;
    }

    .project-card.current {
        padding-left: var(--spacing-xs);
        padding-right: var(--spacing-xs);
    }

    .project-status {
        padding-left: var(--spacing-xs) !important;
        padding-right: var(--spacing-xs) !important;
        font-size: 1rem;
    }

    .project-progress {
        padding: 0.5rem 0 !important;
    }

    .progress-pie {
        width: 72px !important;
        height: 72px !important;
    }

    .circular-chart {
        width: 72px !important;
        height: 72px !important;
    }

    .progress-bar {
        width: 100% !important;
        margin: 0 auto !important;
    }

    /* reduce step size to avoid wrapping into extra width */
    .progress-steps li {
        min-width: 20px !important;
        padding: 0 4px !important;
    }

    /* ensure project image decorations don't push width */
    .project-card.current .project-image {
        background-size: cover !important;
        background-position: center !important;
        transform: none !important;
        margin: 0 auto !important;
        display: block !important;
    }

}

/* Hide detailed visuals on small phones to prevent layout overflow */
@media (max-width: 480px) {
    .progress-pie {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* Replace large status with compact mobile badge */
    .project-status {
        background-color: transparent;
        padding: 0 !important;
        margin-bottom: 0.5rem !important;
        font-size: 0.8rem !important;
        color: var(--text-primary);
        text-align: left;
    }

    .status-compact {
        display: inline-block !important;
        background-color: var(--accent-red);
        color: var(--text-light);
        border: none;
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
        font-weight: 700;
        letter-spacing: 1px;
        cursor: pointer;
        border-radius: 4px;
        transition: all 0.3s ease;
    }

    .status-compact:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    /* hide progress details by default on mobile */
    .project-progress {
        display: none;
        margin-top: 0.5rem;
    }

    /* show when expanded */
    .project-progress.expanded {
        display: block !important;
    }

    /* show a compact timeline only - horizontal scroll */
    .progress-timeline {
        margin-top: 0.25rem !important;
        padding: 0.25rem 0 !important;
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
    }

    .progress-steps {
        display: flex !important;
        flex-wrap: nowrap !important;
        justify-content: flex-start;
        font-size: 0.65rem;
        list-style: none;
        padding: 1.5rem 0 0.5rem 0 !important;
        margin: 0 !important;
        width: auto;
        gap: 0.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .progress-steps li {
        flex: 0 0 auto !important;
        min-width: 45px !important;
        padding: 0 !important;
        text-align: center;
        position: relative;
        white-space: nowrap;
    }

    .project-content {
        padding-top: 0.5rem !important;
    }
}

/* Very small screens (iPhone SE and similar) — tighten text and spacing to avoid clipping */
@media (max-width: 380px) {
    .project-status {
        font-size: 0.95rem !important;
        letter-spacing: 0.6px !important;
        padding: 0.5rem !important;
        line-height: 1.2 !important;
        white-space: normal !important;
    }

    .chart-text {
        font-size: 0.34em !important;
    }

    .progress-pie {
        width: 64px !important;
        height: 64px !important;
    }

    .circular-chart {
        width: 64px !important;
        height: 64px !important;
    }

    .progress-bar {
        height: 10px !important;
    }

    /* ensure the white progress bar doesn't show a clipped segment */
    .progress-bar, .progress-fill {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
}

/* Emergency mobile overflow guard: hide any accidental horizontal overflow */
@media (max-width: 480px) {
    html, body {
        overflow-x: hidden;
    }

    /* ensure the current project card never exceeds viewport width */
    .project-card.current {
        max-width: 100vw !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    /* make sure any internal absolutely positioned visuals are clipped */
    .project-card.current * {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .project-progress,
    .progress-timeline,
    .progress-bar,
    .progress-steps {
        max-width: 100vw !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .progress-fill {
        margin: 0 !important;
    }
}


/* Stronger tablet-specific sizing: target typical tablet widths */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-visual {
        /* use viewport-relative height so tablet devices get a taller visual */
        height: 50vh;
        min-height: 420px;
        max-width: 900px;
    }

    .hero {
        /* reduce overall hero min-height so visual determines the block size */
        min-height: auto;
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }

    .hero-content {
        margin-bottom: 0.5rem;
    }
}

/* Desktop-only adjustments (1025px and larger) */
@media (min-width: 1025px) {
    .about-header {
        margin-bottom: var(--spacing-sm);
    }

    .contact-header {
        margin-bottom: var(--spacing-sm);
    }
}
/* ========================================*/
/* CSS FOR FILTER ANIMATIONS*/
/* ========================================*/

/* Note: CSS for filter animations should be added to styles.css
// Add this to your styles.css for smooth filtering:*/

/**
 * PROJECT ITEM FILTERING
 * Items are visible by default to prevent blank appearance during page load
 * Animation classes only apply when filters are actively changed
 */
.project-item {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.project-item.filter-exit {
    opacity: 0;
    transform: scale(0.95);
}

.project-item.filter-enter {
    opacity: 0;
    transform: scale(1.05);
}

.project-item.filter-visible {
    opacity: 1;
    transform: scale(1);
}