/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light theme (fallback) — classic cyan accent on a clean surface */
    --primary-color: #0891b2;          /* Cyan-600 */
    --secondary-color: #06b6d4;        /* Cyan-500 */
    --accent-color: #f59e0b;           /* Amber, used sparingly */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    --text-primary: #0a0e12;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --bg-primary: #ffffff;
    --bg-secondary: #f4f6f8;
    --bg-tertiary: #e9edf1;

    --border-color: #dfe4ea;

    --shadow-sm: 0 1px 2px rgba(10, 14, 18, 0.05);
    --shadow-md: 0 4px 12px rgba(10, 14, 18, 0.07);
    --shadow-lg: 0 12px 24px rgba(10, 14, 18, 0.09);
    --shadow-xl: 0 24px 48px rgba(10, 14, 18, 0.12);

    --gradient-primary: linear-gradient(135deg, #0891b2, #06b6d4);
    --gradient-hero: linear-gradient(180deg, #f4f6f8 0%, #ffffff 100%);
    --glow-primary: 0 0 36px rgba(6, 182, 212, 0.22);

    --border-radius: 4px;
    --border-radius-lg: 8px;
    --border-radius-xl: 12px;

    --mono-font: 'JetBrains Mono', 'Courier New', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Classic Dark + Cyan — true-black surfaces, single cyan accent, monospace accents */
    --primary-color: #22d3ee;          /* Cyan-400, the one accent */
    --secondary-color: #06b6d4;        /* Cyan-500, supporting shade */
    --accent-color: #f59e0b;           /* Amber, sparing use for highlights */
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --error-color: #f87171;

    --text-primary: #e6edf3;
    --text-secondary: #8b96a5;
    --text-muted: #586273;

    --bg-primary: #0a0d10;             /* True near-black */
    --bg-secondary: #11151a;           /* Card surface */
    --bg-tertiary: #181d23;            /* Raised surface */

    --border-color: #232a32;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 28px 56px rgba(0, 0, 0, 0.6);

    --gradient-primary: linear-gradient(135deg, #22d3ee, #0891b2);
    --gradient-hero: linear-gradient(180deg, #0a0d10 0%, #0d1217 100%);
    --glow-primary: 0 0 40px rgba(34, 211, 238, 0.28);
}


html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: left;
    margin-bottom: 3.5rem;
    max-width: 40rem;
    position: relative;
    padding-left: 1.25rem;
    border-left: 2px solid var(--primary-color);
}

.section-eyebrow {
    display: block;
    font-family: var(--mono-font);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-divider {
    display: none;
}

.section-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 32rem;
    margin: 0;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 rgba(34, 211, 238, 0);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
    transform: translateX(-120%);
    transition: transform 0.6s ease;
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

.btn-primary:hover::before {
    transform: translateX(120%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(10, 13, 16, 0.85);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(10, 13, 16, 0.85);
}

[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.85);
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--primary-color);
    z-index: 1100;
    box-shadow: 0 0 8px rgba(34, 211, 238, 0.7);
    transition: width 0.1s ease-out;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.5rem;
}

.brand-text {
    font-family: var(--mono-font);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.brand-text::before {
    content: '<';
    color: var(--primary-color);
}

.brand-text::after {
    content: '/>';
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.25rem;
    font-family: var(--mono-font);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    transition: var(--transition);
    padding-bottom: 4px;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.25s ease;
}

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

.nav-link:hover::before {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
/* Hide navigation bar on screens smaller than 768px */
@media (max-width: 768px) {
    #nav-menu {
        display: none !important;
    }

    #nav-toggle {
        display: none !important;
    }
}


.theme-toggle {
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.7;
    animation: float 6s ease-in-out infinite;
}

.hero-shape-1 {
    width: 24rem;
    height: 24rem;
    background: rgba(34, 211, 238, 0.35);
    top: -10rem;
    right: -10rem;
}

.hero-shape-2 {
    width: 24rem;
    height: 24rem;
    background: rgba(8, 145, 178, 0.25);
    bottom: -10rem;
    left: -10rem;
    animation-delay: -3s;
}

.hero-container {
    position: relative;
    z-index: 10;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 5rem 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono-font);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.9rem;
    border-radius: 2rem;
    margin-bottom: 1.5rem;
}

.hero-badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
    animation: blink 2s infinite;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    height: 3rem;
    display: flex;
    align-items: center;
    font-family: var(--mono-font);
}

.typed-text {
    border-right: 2px solid var(--primary-color);
    padding-right: 0.5rem;
    font-size: 1.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.typed-text::before {
    content: '> ';
    color: var(--primary-color);
}

/* Blinking cursor */
.cursor {
    animation: blink 1s infinite;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* ✅ Responsive adjustments */
@media (max-width: 640px) {
    .typed-text {
        font-size: 1.2rem;
        padding-right: 0.3rem;
        text-align: center;
        display: block;
        margin: 0 auto;
    }

    .cursor {
        font-size: 1.2rem;
        display: inline-block;
        vertical-align: middle;
    }
}


.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 32rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
}

.profile-container {
    position: relative;
}

.profile-ring {
    width: 20rem;
    height: 20rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    padding: 4px;
    box-shadow: var(--glow-primary);
    animation: ringPulse 4s ease-in-out infinite;
}

@keyframes ringPulse {
    0%, 100% { box-shadow: 0 0 50px rgba(34, 211, 238, 0.35); }
    50% { box-shadow: 0 0 70px rgba(8, 145, 178, 0.45); }
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.floating-element {
    position: absolute;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    animation: bounce 2s infinite;
}

.floating-ai {
    background: var(--primary-color);
    top: -1rem;
    right: -1rem;
    font-size: 0.875rem;
}

.floating-rocket {
    background: var(--secondary-color);
    bottom: -1rem;
    left: -1rem;
    font-size: 1.5rem;
    animation-delay: -1s;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
}

.stat-primary {
    background: rgba(59, 130, 246, 0.1);
}

.stat-secondary {
    background: rgba(139, 92, 246, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.highlight-card {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 2px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.highlight-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg), var(--glow-primary);
    border-left-width: 4px;
}

.highlight-icon {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.highlight-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* Skills Section */
.skills-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.45rem 1.1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-family: var(--mono-font);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.skill-card {
    padding: 1.25rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: none;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.skill-card.show {
    opacity: 1;
    transform: translateY(0);
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glow-primary);
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1);
}

.skill-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.proficiency-section {
    max-width: 64rem;
    margin: 0 auto;
}

.proficiency-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.proficiency-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.proficiency-item {
    margin-bottom: 1rem;
}

.proficiency-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.proficiency-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.proficiency-percent {
    color: var(--text-muted);
}

.proficiency-bar {
    width: 100%;
    height: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 0.25rem;
    overflow: hidden;
}

.proficiency-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 0.25rem;
    width: 0;
    transition: width 1s ease-out;
}

/* Projects Section */
.projects-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-right: 1rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

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

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--primary-color);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 12rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease-in-out;
}

.project-image:hover {
    transform: scale(1.02);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease-in-out;
    display: block;
}

.project-image:hover .project-img {
    transform: scale(1.08);
    filter: brightness(1.1);
}


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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 1rem;
    gap: 0.5rem;
}

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

.project-link {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

.project-content {
    padding: 1.5rem;
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.project-category {
    padding: 0.25rem 0.75rem;
    background: rgba(34, 211, 238, 0.12);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 1rem;
    text-transform: capitalize;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.project-card:hover .project-title {
    color: var(--primary-color);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tech-tag {
    padding: 0.25rem 0.6rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    font-family: var(--mono-font);
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 0.3rem;
}

.projects-cta {
    text-align: center;
}

/* Experience Section */
.timeline {
    max-width: 64rem;
    margin: 0 auto 5rem;
    position: relative;
}

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

.timeline-item {
    position: relative;
    padding-left: 5rem;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: 1.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-md), 0 0 12px rgba(34, 211, 238, 0.5);
    border: 3px solid var(--bg-primary);
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.timeline-header {
    margin-bottom: 1rem;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-company {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.timeline-period {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.certifications-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--secondary-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.cert-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-left-color: var(--primary-color);
}

.cert-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cert-issuer {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.cert-year {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 72rem;
    margin: 0 auto 3rem;
}

.blog-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--primary-color);
}

.blog-header {
    height: 12rem;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    color: white;
    font-size: 0.875rem;
    z-index: 2;
}

.blog-date,
.blog-read-time {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-decorations {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.blog-decoration {
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    position: absolute;
}

.blog-decoration-1 {
    width: 3rem;
    height: 3rem;
}

.blog-decoration-2 {
    width: 1.5rem;
    height: 1.5rem;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
}

.blog-content {
    padding: 1.5rem;
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    transition: var(--transition);
    line-height: 1.4;
}

.blog-card:hover .blog-title {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.blog-link i {
    transition: var(--transition);
}

.blog-link:hover i {
    transform: translateX(2px);
}

.blog-cta {
    text-align: center;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 72rem;
    margin: 0 auto;
}

.contact-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    transition: var(--transition);
}

.contact-method:hover {
    box-shadow: var(--shadow-lg), var(--glow-primary);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.contact-method:hover .contact-icon {
    transform: scale(1.1);
}

.contact-icon-email {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.contact-icon-linkedin {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.contact-icon-github {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.contact-icon-calendar {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.contact-label {
    font-weight: 600;
    color: var(--text-primary);
}

.contact-value {
    color: var(--text-secondary);
}

.contact-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Selection */
::selection {
    background: rgba(34, 211, 238, 0.35);
    color: var(--text-primary);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition);
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    box-shadow: var(--shadow-xl), var(--glow-primary);
    transform: translateY(-4px);
}

/* Reveal-on-scroll utility (used by AnimationObserver) */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .proficiency-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        box-shadow: var(--shadow-lg);
        padding: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .profile-ring {
        width: 16rem;
        height: 16rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .timeline-dot {
        left: 0.5rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .profile-ring {
        width: 12rem;
        height: 12rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-label {
        justify-content: center;
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}