/* ==========================================
   CSS RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-hue: 260;
    --primary-sat: 85%;
    --primary-light: 60%;

    --color-primary: hsl(var(--primary-hue), var(--primary-sat), var(--primary-light));
    --color-primary-dark: hsl(var(--primary-hue), var(--primary-sat), 50%);
    --color-primary-light: hsl(var(--primary-hue), var(--primary-sat), 70%);

    --color-secondary: hsl(320, 85%, 60%);
    --color-accent: hsl(180, 85%, 60%);

    --color-bg-dark: hsl(240, 15%, 8%);
    --color-bg-darker: hsl(240, 15%, 5%);
    --color-bg-card: hsl(240, 15%, 12%);
    --color-bg-elevated: hsl(240, 15%, 15%);

    --color-text-primary: hsl(0, 0%, 98%);
    --color-text-secondary: hsl(0, 0%, 70%);
    --color-text-muted: hsl(0, 0%, 50%);

    --color-border: hsl(240, 15%, 20%);
    --color-border-light: hsl(240, 15%, 25%);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(260, 85%, 60%, 0.3) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(320, 85%, 60%, 0.3) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(180, 85%, 60%, 0.2) 0px, transparent 50%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(var(--primary-hue), var(--primary-sat), var(--primary-light), 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: rgba(12, 12, 20, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.nav.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(12, 12, 20, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-text {
    color: var(--color-text-primary);
}

.logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    background: var(--gradient-mesh);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, hsla(260, 85%, 60%, 0.4) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, hsla(320, 85%, 60%, 0.4) 0%, transparent 70%);
    top: 20%;
    right: -5%;
    animation-delay: -7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, hsla(180, 85%, 60%, 0.3) 0%, transparent 70%);
    bottom: 10%;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: slideDown 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    animation: slideUp 0.8s ease-out 0.2s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    animation: slideUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 0.8s ease-out 0.6s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(var(--primary-hue), var(--primary-sat), var(--primary-light), 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(var(--primary-hue), var(--primary-sat), var(--primary-light), 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border-light);
    transform: translateY(-2px);
}

.btn-icon {
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    position: relative;
    z-index: 1;
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    margin-top: var(--spacing-3xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    animation: fadeIn 1s ease-out 0.8s both;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    animation: fadeIn 1s ease-out 1s both;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: rotate(-45deg) translateY(0);
    }

    50% {
        transform: rotate(-45deg) translateY(10px);
    }
}

/* ==========================================
   SECTION STYLES
   ========================================== */
.work,
.about,
.contact {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   WORK SECTION
   ========================================== */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-link {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-info {
    padding: var(--spacing-lg);
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.project-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background: var(--color-bg-darker);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-content {
    max-width: 600px;
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
    line-height: 1.8;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.skill-item {
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.skill-item:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.skill-item h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.skill-item p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.about-visual {
    position: relative;
    height: 500px;
}

.visual-card {
    position: absolute;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.visual-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: var(--shadow-xl);
}

.card-1 {
    top: 0;
    left: 0;
    width: 280px;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 150px;
    right: 50px;
    width: 260px;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
    animation: float 6s ease-in-out infinite -2s;
}

.card-3 {
    bottom: 0;
    left: 100px;
    width: 240px;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
    animation: float 6s ease-in-out infinite -4s;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-content h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.card-content p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info {
    max-width: 500px;
}

.contact-description {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-method:hover {
    border-color: var(--color-border-light);
    transform: translateX(8px);
}

.method-icon {
    font-size: 2rem;
}

.method-info h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.method-info a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.method-info a:hover {
    color: var(--color-primary);
}

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

.social-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.social-link:hover {
    color: var(--color-primary);
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-hue), var(--primary-sat), var(--primary-light), 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    color: var(--color-text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(12, 12, 20, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-lg);
        transition: left var(--transition-base);
    }

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

    .menu-toggle {
        display: flex;
    }

    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .about-visual {
        display: none;
    }

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

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================
   PDF MODAL VIEWER
   ========================================== */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.pdf-modal.active {
    display: flex;
    opacity: 1;
}

.pdf-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.pdf-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    height: 90vh;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalSlideUp 0.4s ease-out;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
}

.pdf-modal-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.pdf-modal-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon-only {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-icon-only:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-icon-only svg {
    width: 20px;
    height: 20px;
}

.pdf-modal-body {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: var(--color-bg-darker);
}

#pdfViewer {
    width: 100%;
    height: 100%;
    border: none;
}

.project-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-base);
    margin-top: var(--spacing-xs);
}

.project-download:hover {
    background: var(--gradient-accent);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.project-download::before {
    content: '⬇';
    font-size: 1rem;
}

.view-pdf-btn {
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
}

/* Update project overlay to show both buttons */
.project-overlay {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ==========================================
   PDF MODAL RESPONSIVE
   ========================================== */
@media (max-width: 968px) {
    .pdf-modal-content {
        width: 95%;
        height: 85vh;
    }

    .pdf-modal-header {
        padding: var(--spacing-md);
    }

    .pdf-modal-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 640px) {
    .pdf-modal-content {
        width: 100%;
        height: 100vh;
        border-radius: 0;
    }

    .project-download {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}