/* ----- CSS Reset ----- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ----- Design Variables ----- */
:root {
    --sand-light: #FAF8F3;      
    --sand: #EEE9DD;             
    --ocean-dark: #172830;      
    --teal: #2A7F8A;             
    --teal-light: #5DB8C4;       
    --sunset: #D4883A;          
    
    /* Extended Palette */
    --ocean-dark-light: #1e3640;
    --teal-dark: #1e5f68;
    --teal-light-hover: #6ec9d6;
    --sunset-light: #e09b55;
    --sand-dark: #e5dfd0;
    
    /* Semantic Colors */
    --bg-primary: var(--sand-light);
    --bg-secondary: var(--sand);
    --bg-card: rgba(238, 233, 221, 0.7);
    --text-primary: var(--ocean-dark);
    --text-secondary: #2a4a55;
    --text-tertiary: #5f6b7a;
    --accent: var(--teal);
    --accent-hover: var(--teal-light);
    --accent-secondary: var(--sunset);
    --border: rgba(23, 40, 48, 0.1);
    --error: #dc2626;
    --success: #10b981;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius-sm: 0.375rem;
    --border-radius: 0.75rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
    
    /* Effects */
    --shadow-sm: 0 2px 4px rgba(23, 40, 48, 0.05);
    --shadow: 0 8px 20px rgba(23, 40, 48, 0.08);
    --shadow-md: 0 12px 30px rgba(23, 40, 48, 0.1);
    --shadow-lg: 0 20px 40px rgba(23, 40, 48, 0.12);
    --shadow-xl: 0 30px 50px rgba(23, 40, 48, 0.15);
    
    /* Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode - using ocean dark as base */
[data-theme="dark"] {
    --bg-primary: var(--ocean-dark);
    --bg-secondary: #1e3640;
    --bg-card: rgba(23, 40, 48, 0.8);
    --text-primary: var(--sand-light);
    --text-secondary: #d1cbbd;
    --text-tertiary: #a9a294;
    --border: rgba(250, 248, 243, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.35);
}

/* Smooth theme transition */
html {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ----- Base Styles ----- */
html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ----- Accessibility ----- */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--teal);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1001;
    transition: top var(--transition-fast);
    border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
}

.skip-to-content:focus {
    top: 0;
    outline: 3px solid var(--text-primary);
}

:focus-visible {
    outline: 3px solid var(--teal);
    outline-offset: 2px;
}

/* Reading Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--sunset));
    z-index: 1000;
    transition: width 0.1s ease;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-family: var(--font-serif);
    font-weight: 600;
}

.gradient-text {
    background: linear-gradient(135deg, var(--ocean-dark), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .gradient-text {
    background: linear-gradient(135deg, var(--sand-light), var(--teal-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    margin-bottom: var(--space-xs);
    font-family: var(--font-serif);
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* ----- Layout ----- */
section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

/* ----- Navigation ----- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: all var(--transition);
    padding: var(--space-sm) 0;
    background: transparent;
}

.navbar.scrolled {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

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

.nav-logo a {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-serif);
    letter-spacing: -0.02em;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: 1rem;
    transition: color var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
}

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

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

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

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

.theme-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.theme-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--teal);
    transform: rotate(15deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-xs);
    background: transparent;
    border: none;
    min-width: 44px;
    min-height: 44px;
}

.bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 2px 0;
    transition: all var(--transition-fast);
    border-radius: 1px;
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    gap: 0.5rem;
    letter-spacing: 0.02em;
    min-height: 44px;
}

.btn-primary {
    background: var(--teal);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--teal-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
}

.btn-outline:hover {
    border-color: var(--teal);
    background: rgba(42, 127, 138, 0.05);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* ----- Hero Section ----- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(42, 127, 138, 0.05));
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(42, 127, 138, 0.1);
    border: 1px solid rgba(42, 127, 138, 0.2);
    border-radius: 100px;
    color: var(--teal);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--teal);
    line-height: 1;
    font-family: var(--font-serif);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-visual {
    position: relative;
}

.hero-visual::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: var(--teal);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.1;
    z-index: -1;
}

.code-window {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.window-header {
    background: var(--bg-card);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.window-dots {
    display: flex;
    gap: 0.375rem;
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dot.sand { background: var(--sand); }
.window-dot.teal { background: var(--teal); }
.window-dot.sunset { background: var(--sunset); }

.window-title {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
    margin-left: auto;
}

.window-content {
    padding: var(--space-lg);
    background: var(--bg-primary);
}

.code-line {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 2.2;
    color: var(--text-secondary);
    margin: 0;
    white-space: pre-wrap;
}

.code-line .keyword { color: var(--teal); font-weight: 500; }
.code-line .string { color: var(--sunset); }
.code-line .property { color: var(--ocean-dark); }

[data-theme="dark"] .code-line .property {
    color: var(--sand-light);
}

/* Typing Animation */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background-color: var(--teal);
    margin-left: 2px;
    animation: blink 1s infinite;
}

/* ----- About Section ----- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.about-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-text p {
    margin-bottom: var(--space-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.highlight-icon {
    font-size: 1.5rem;
    background: rgba(42, 127, 138, 0.1);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    color: var(--teal);
}

.highlight-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.highlight-content p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

/* ----- Skills Grid ----- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.skill-card-modern {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--teal), var(--sunset));
    opacity: 0;
    transition: opacity var(--transition);
}

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

.skill-card-modern:hover::before {
    opacity: 1;
}

.skill-icon-large {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--teal);
}

.skill-card-modern h3 {
    font-size: 1.35rem;
    margin-bottom: var(--space-xs);
    font-family: var(--font-serif);
    color: var(--text-primary);
}

.skill-card-modern p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

/* Proficiency Indicators */
.skill-proficiency {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.proficiency-bar {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.proficiency-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--teal), var(--teal-light));
    border-radius: 3px;
    transition: width 1s ease;
}

.proficiency-text {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.skill-tags-modern {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag-modern {
    padding: 0.35rem 1rem;
    background: rgba(42, 127, 138, 0.1);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--teal);
    border: 1px solid rgba(42, 127, 138, 0.2);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.skill-hover-details {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all var(--transition);
    margin-top: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.skill-card-modern:hover .skill-hover-details {
    max-height: 100px;
    opacity: 1;
    margin-top: var(--space-md);
}

/* =========================================
   EDUCATION & CERTIFICATES
========================================= */

.education-section {
    padding: var(--space-2xl) 0;
}

.education-content {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
}

/* Education Blocks */
.education-block {
    margin-bottom: 0.5rem;
}

.education-heading {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-family: var(--font-serif);
}

.education-meta {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.education-details {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem 0;
}

.education-details li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    position: relative;
    padding-left: 1.25rem;
}

.education-details li::before {
    content: '•';
    color: var(--teal);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.education-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-style: italic;
}

/* Divider */
.education-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: var(--space-xl) 0 var(--space-lg) 0;
}

/* Certifications Heading */
.certifications-heading {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-family: var(--font-serif);
}

/* Certifications Grid */
.certifications-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

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

.cert-item {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cert-checkbox {
    color: var(--text-tertiary);
    font-size: 1.1rem;
    display: inline-block;
    width: 20px;
}

.cert-checkbox.completed {
    color: var(--teal);
    font-weight: bold;
}

.cert-item.completed {
    color: var(--text-primary);
}

.cert-item.in-progress {
    color: var(--text-secondary);
}

.cert-item.planned {
    color: var(--text-tertiary);
    opacity: 0.8;
}

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

.cert-link:hover {
    color: var(--teal);
    text-decoration: underline;
}

.cert-date,
.cert-progress {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-left: auto;
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
}

/* =========================================
   TESTIMONIALS SECTION
========================================= */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.testimonial-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition);
}

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

.testimonial-content {
    margin-bottom: var(--space-lg);
    position: relative;
}

.testimonial-content i {
    color: var(--teal);
    font-size: 1.5rem;
    opacity: 0.3;
    position: absolute;
    top: -0.5rem;
    left: -0.5rem;
}

.testimonial-content p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border-top: 1px solid var(--border);
    padding-top: var(--space-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.author-info p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* =========================================
   BLOG SECTION
========================================= */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.blog-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition);
}

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

.blog-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    font-size: 0.8rem;
}

.blog-date {
    color: var(--text-tertiary);
}

.blog-category {
    color: var(--teal);
    background: rgba(42, 127, 138, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
}

.blog-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

.blog-title-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-title-link:hover {
    color: var(--teal);
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.blog-read-more {
    color: var(--teal);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap var(--transition-fast);
}

.blog-read-more:hover {
    gap: 0.5rem;
}

/* =========================================
   PROJECTS SECTION
========================================= */

/* Project Filters */
.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    min-height: 44px;
    min-width: 44px;
}

.filter-btn:hover {
    border-color: var(--teal);
    color: var(--teal);
}

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

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

/* Project Cards */
.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
    opacity: 1;
    transform: translateY(0);
}

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

.project-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--teal), var(--ocean-dark));
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(23, 40, 48, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    backdrop-filter: blur(4px);
}

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

.project-overlay .project-links {
    display: flex;
    gap: var(--space-sm);
}

.project-overlay .project-link {
    padding: 0.5rem 1rem;
    background: var(--teal);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.project-overlay .project-link:hover {
    background: var(--teal-light);
    transform: translateY(-2px);
}

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

.project-title {
    font-size: 1.35rem;
    margin-bottom: var(--space-xs);
    font-family: var(--font-serif);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 0.7rem;
    color: var(--text-primary);
    border: 1px solid var(--border);
    font-weight: 500;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    background: linear-gradient(135deg, var(--sunset), var(--teal));
    color: white;
    font-size: 0.7rem;
    border-radius: 20px;
    margin-left: 0.5rem;
}

/* =========================================
   CONTACT SECTION
========================================= */

.contact-grid-modern {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.contact-card-modern {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition);
}

.contact-card-modern:hover {
    box-shadow: var(--shadow-md);
}

.contact-methods-modern {
    margin: var(--space-lg) 0 var(--space-xl);
}

.contact-method-modern {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
}

.contact-method-modern:last-child {
    border-bottom: none;
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(42, 127, 138, 0.1);
    border-radius: var(--border-radius);
    color: var(--teal);
    font-size: 1.25rem;
}

.contact-method-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-method-info p {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.contact-method-info small {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    display: block;
    margin-top: 0.25rem;
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 100px;
    color: var(--success);
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.social-links-modern {
    display: flex;
    gap: var(--space-sm);
}

.social-link-modern {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 1.25rem;
}

.social-link-modern:hover {
    background: var(--teal);
    color: white;
    transform: translateY(-2px);
    border-color: var(--teal);
}

/* ----- Form Styles ----- */
.form-group-modern {
    margin-bottom: var(--space-md);
    position: relative;
}

.form-group-modern input,
.form-group-modern textarea,
.form-group-modern select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.form-group-modern input:focus,
.form-group-modern textarea:focus,
.form-group-modern select:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(42, 127, 138, 0.1);
}

.form-group-modern input.error,
.form-group-modern textarea.error {
    border-color: var(--error);
}

.form-group-modern label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.required {
    color: var(--error);
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.char-counter {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

/* Form Status Messages */
.form-status {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    animation: slideIn 0.3s ease;
}

.form-status.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.form-status.error-message {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    color: var(--error);
}

.form-status i {
    font-size: 1.1rem;
}

/* Button loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn i.fa-spinner {
    animation: spin 1s linear infinite;
}

/* ----- Footer ----- */
.footer-modern {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-2xl) 0;
    margin-top: var(--space-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: center;
}

.footer-brand h3 {
    font-size: 1.75rem;
    font-family: var(--font-serif);
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
    position: relative;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--teal);
    transition: width var(--transition-fast);
}

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

.footer-links a:hover::after {
    width: 100%;
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

.footer-bottom {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-made-with {
    margin-top: var(--space-xs);
    font-size: 0.8rem;
}

.footer-made-with i {
    color: var(--sunset);
}

/* ----- Modal ----- */
.modern-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(23, 40, 48, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modern-modal.active {
    opacity: 1;
    visibility: visible;
}

.modern-modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition);
    border: 1px solid var(--border);
}

.modern-modal.active .modern-modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color var(--transition-fast);
    z-index: 1;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: none;
}

.modal-close:hover {
    color: var(--teal);
    background: var(--bg-card);
}

.modal-body {
    padding: var(--space-xl);
}

/* Modal Project Styles */
.modal-project h2 {
    font-size: 2rem;
    margin-bottom: var(--space-xs);
    font-family: var(--font-serif);
    color: var(--text-primary);
}

.modal-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.modal-meta .project-category {
    background: rgba(42, 127, 138, 0.1);
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--teal);
}

.modal-meta .project-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.modal-image {
    width: 100%;
    height: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.modal-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--teal);
    font-family: var(--font-serif);
}

.project-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.project-features ul {
    list-style: none;
    padding: 0;
}

.project-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.25rem;
    position: relative;
}

.project-features li::before {
    content: '→';
    color: var(--teal);
    position: absolute;
    left: 0;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--space-sm);
}

.project-challenges {
    margin: var(--space-lg) 0;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--sunset);
}

/* ----- Notifications ----- */
#notification-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9999;
}

.notification {
    background: var(--teal);
    color: white;
    padding: 12px 18px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 10px;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification i {
    font-size: 1.2rem;
}

.notification.success {
    background: var(--success);
}

.notification.error {
    background: var(--error);
}

/* =========================================
   ANIMATIONS
========================================= */

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

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

@media (max-width: 968px) {
    .hero-grid,
    .about-grid,
    .contact-grid-modern,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-modern {
        padding: var(--space-xl) 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    
    .footer-links,
    .footer-social {
        justify-content: center;
    }
    
    .hero::before {
        width: 100%;
        opacity: 0.3;
    }
    
    .project-details {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        padding: var(--space-xl) var(--space-md);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background: var(--teal);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
        background: var(--teal);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .modal-body {
        padding: var(--space-lg);
    }
    
    .notification {
        min-width: 250px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .contact-method-modern {
        flex-direction: column;
        text-align: center;
    }
    
    .project-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 250px;
    }
    
    .modal-body {
        padding: var(--space-md);
    }
    
    .modal-image {
        height: 200px;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-item {
        flex: 1 1 40%;
    }
}

/* Load More Styles */
.projects-footer {
    text-align: center;
    margin-top: var(--space-xl);
}

.load-more-container {
    text-align: center;
}

.load-more-btn {
    min-width: 220px;
    transition: all var(--transition);
}

.load-more-btn i {
    transition: transform var(--transition-fast);
}

.load-more-btn:hover i {
    transform: translateY(4px);
}

.load-more-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.projects-count {
    color: var(--text-tertiary);
    font-size: 0.95rem;
    margin-top: var(--space-sm);
}

.projects-count span {
    color: var(--teal);
    font-weight: 500;
}

/* Loading spinner animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* New project cards animation */
.project-card.new-card {
    animation: slideIn 0.5s ease forwards;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* No more projects indicator */
.no-more-projects {
    color: var(--text-tertiary);
    font-size: 0.95rem;
    padding: var(--space-md);
    border-top: 1px solid var(--border);
    display: inline-block;
}

.no-more-projects i {
    color: var(--teal);
    margin-right: 0.5rem;
}