/* ===================================
   DESIGN SYSTEM - CSS VARIABLES
   =================================== */
:root {
    /* Colors - Azure Theme */
    --azure-blue: #0078D4;
    --azure-blue-light: #50E6FF;
    --azure-blue-dark: #004E8C;
    --azure-gradient: linear-gradient(135deg, #0078D4 0%, #50E6FF 100%);

    /* Dark Theme Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.7);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b4b4c2;
    --text-muted: #6b6b7a;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
    --container-padding: 0 24px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Animations */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

.highlight {
    color: var(--azure-blue-light);
    font-weight: 600;
}

/* Glassmorphism Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--azure-gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0, 120, 212, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 120, 212, 0.6);
}

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

.btn-secondary:hover {
    background: rgba(0, 120, 212, 0.1);
    border-color: var(--azure-blue-light);
}

/* Section Styles */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-number {
    color: var(--azure-blue);
    font-family: monospace;
    font-size: var(--font-size-xl);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
    max-width: 300px;
}

.hero,
.section,
.footer {
    padding-left: 0;
}

/* ===================================
   NAVIGATION
   =================================== */
/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-base);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    margin-bottom: 0;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: var(--azure-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    width: auto;
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 0;
    position: relative;
    transition: var(--transition-base);
}

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

.nav-link:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-link.active {
    color: var(--text-primary);
    font-weight: 600;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--azure-blue) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--azure-blue-light) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: 2s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #6B5CE7 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes float {

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

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    margin-bottom: 24px;
    font-size: var(--font-size-sm);
    color: var(--azure-blue-light);
}

.badge-icon {
    font-size: 18px;
}

.hero-title {
    margin-bottom: 16px;
}

.hero-greeting {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-name {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, var(--azure-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--azure-blue);
    margin-bottom: 16px;
}

.hero-tagline {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.hero-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-link:hover {
    color: var(--azure-blue-light);
    border-color: var(--azure-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 120, 212, 0.3);
}

.hero-scroll {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(10px);
    }
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text {
    padding: 32px;
}

.about-intro {
    font-size: var(--font-size-xl);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    padding: 24px;
    text-align: center;
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--azure-blue);
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--azure-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   SKILLS SECTION
   =================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.skill-category {
    padding: 28px;
    transition: var(--transition-base);
}

.skill-category:hover {
    transform: translateY(-4px);
    border-color: var(--azure-blue);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.category-icon {
    font-size: 24px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    background: rgba(0, 120, 212, 0.1);
    border: 1px solid rgba(0, 120, 212, 0.3);
    border-radius: var(--radius-sm);
    color: var(--azure-blue-light);
    transition: var(--transition-base);
}

.skill-tag:hover {
    background: rgba(0, 120, 212, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.2);
}

.skill-tag.azure {
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.2) 0%, rgba(80, 230, 255, 0.1) 100%);
    border-color: var(--azure-blue);
}

.skill-tag.aws {
    background: rgba(255, 153, 0, 0.1);
    border-color: rgba(255, 153, 0, 0.5);
    color: #FF9900;
}

.skill-tag.highlight-tag {
    background: var(--azure-gradient);
    border: none;
    color: white;
    font-weight: 600;
}

/* ===================================
   EXPERIENCE SECTION
   =================================== */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--azure-blue), var(--azure-blue-light), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 30px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--azure-blue);
    border: 4px solid var(--bg-primary);
    box-shadow: 0 0 20px rgba(0, 120, 212, 0.5);
}

.timeline-content {
    padding: 28px;
    transition: var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--azure-blue);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 12px;
}

.timeline-company {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-project {
    font-size: var(--font-size-sm);
    color: var(--azure-blue-light);
    margin-top: 4px;
}

.timeline-period {
    font-size: var(--font-size-sm);
    color: var(--azure-blue);
    font-weight: 600;
    padding: 6px 14px;
    background: rgba(0, 120, 212, 0.1);
    border-radius: var(--radius-sm);
}

.timeline-role {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.timeline-details {
    list-style: none;
    padding-left: 0;
}

.timeline-details li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--azure-blue);
    font-size: 14px;
}

.project-highlight {
    margin-top: 24px;
    padding: 20px;
    background: rgba(0, 120, 212, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--azure-blue);
}

.project-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--azure-blue-light);
    margin-bottom: 12px;
}

/* ===================================
   EDUCATION SECTION
   =================================== */
.education-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    max-width: 600px;
}

.education-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.education-degree {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.education-school {
    font-size: var(--font-size-lg);
    color: var(--azure-blue-light);
    margin-bottom: 8px;
}

.education-period {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===================================
   CERTIFICATIONS SECTION
   =================================== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 800px;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px;
    transition: var(--transition-base);
}

.cert-card:hover {
    transform: translateY(-4px);
    border-color: var(--azure-blue);
}

.cert-badge {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 120, 212, 0.1);
    border-radius: var(--radius-md);
}

.azure-logo {
    width: 48px;
    height: 48px;
}

.cert-code {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--azure-blue);
    background: rgba(0, 120, 212, 0.1);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.cert-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.cert-issuer {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===================================
   BLOG SECTION
   =================================== */
.blog-intro {
    max-width: 600px;
    padding: 32px;
    text-align: center;
    margin: 0 auto;
}

.blog-intro p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.blog-intro .btn {
    margin: 0 auto;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-content {
    text-align: center;
}

.contact-intro {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
}

.contact-wrapper {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    width: 100%;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    transition: var(--transition-base);
}

.contact-card:hover {
    border-color: var(--azure-blue);
    transform: translateX(4px);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(0, 120, 212, 0.1);
    border-radius: var(--radius-md);
    color: var(--azure-blue);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.contact-value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 500;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    text-align: center;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.footer-social a {
    color: var(--text-muted);
    transition: var(--transition-base);
}

.footer-social a:hover {
    color: var(--azure-blue-light);
    transform: translateY(-2px);
}

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

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.animate-fade-in {
    animation: fadeInUp 0.4s ease forwards;
    opacity: 0;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: row;
        justify-content: center;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    body {
        padding-left: 0;
    }

    .hero,
    .section,
    .footer {
        padding-left: 0;
    }

    .navbar {
        padding: 16px 0;
    }

    .nav-container {
        padding: 0 24px;
    }

    .nav-logo {
        margin-bottom: 0;
    }

    .logo-text {
        font-size: var(--font-size-xl);
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
        border-bottom: 1px solid var(--glass-border);
        align-items: center;
        /* Center on mobile */
    }

    .nav-link {
        text-align: center;
    }

    /* Hide numbers on mobile */
    .nav-link::before {
        display: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-name {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .about-stats {
        flex-direction: column;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-marker {
        left: -24px;
        width: 14px;
        height: 14px;
    }

    .timeline-header {
        flex-direction: column;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }

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

    .cert-card {
        flex-direction: column;
        text-align: center;
    }

    .education-card {
        flex-direction: column;
        text-align: center;
    }
}