* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #141416;
    --bg-card: #1a1a1d;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent: #3b82f6;
    --accent-green: #22c55e;
    --border-color: #2a2a2d;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 28%),
                radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.16), transparent 30%),
                var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================
   1. PREMIUM THEME VARIABLES 
   ========================================== */
:root {
  /* Premium Light Theme (Default) */
  --bg-body: #ffffff;
  --text-primary: #0f172a; /* Deep slate */
  --text-muted: #475569;
  --logo-accent: #10b981; /* Emerald accent */
  
  /* Luxury Linear Gradient (Emerald to Indigo) */
  --gradient-premium: linear-gradient(135deg, #059669 0%, #3b82f6 100%);
  --icon-bg-fallback: #f1f5f9;
  
  --font-brand: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Premium Dark Theme */
    --bg-body: #090d16; /* Deep obsidian */
    --text-primary: #f8fafc; /* Crisp white-silver */
    --text-muted: #94a3b8;
    --logo-accent: #34d399;
    
    /* Vibrant Dark Gradient */
    --gradient-premium: linear-gradient(135deg, #34d399 0%, #60a5fa 100%);
    --icon-bg-fallback: #1e293b;
  }
}

/* Base body setup just to showcase background shifting */
body {
  background-color: var(--bg-body);
  font-family: var(--font-brand);
  transition: background-color var(--transition-smooth);
}

/* ==========================================
   2. LOGO COMPONENT STYLES
   ========================================== */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

/* Subtle hover effect for premium UX */
.brand-logo:hover {
  background: rgba(148, 163, 184, 0.08);
}

@media (prefers-color-scheme: dark) {
  .brand-logo:hover {
    background: rgba(255, 255, 255, 0.03);
  }
}

/* The Monogram Geometric Icon */
.logo-icon {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* The stylized 'D' bracket */
.icon-box {
  position: absolute;
  inset: 0;
  border: 2.5px solid transparent;
  background: linear-gradient(var(--bg-body), var(--bg-body)) padding-box, 
              var(--gradient-premium) border-box;
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  transition: var(--transition-smooth);
}

/* The core glowing anchor dot */
.icon-dot {
  width: 7px;
  height: 7px;
  background: var(--gradient-premium);
  border-radius: 50%;
  z-index: 2;
  transition: var(--transition-smooth);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

/* Typography Enhancement */
.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 1.5px; /* Elegant tracking */
  text-transform: uppercase;
  transition: var(--transition-smooth);
}

/* Interactive Hover Animations */
.brand-logo:hover .icon-box {
  transform: scale(1.05) rotate(5deg);
}

.brand-logo:hover .icon-dot {
  transform: scale(1.2);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-resume {
    background-color: transparent;
    border: 1px solid var(--accent);
    color: var(--text-white) !important;
    padding: 8px 20px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-resume:hover {
    background-color: var(--accent);
    color: var(--text-primary) !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    margin-top:0 auto;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.08), transparent 26%),
                radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.08), transparent 24%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-tag {
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin: 16px 0;
}

.hero-title .dot {
    color: var(--accent);
}

.hero-tagline {
    font-size: 36px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 500px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background-color: #e5e5e5;
    transform: translateY(-2px);
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.hero-image {
    flex-shrink: 0;
}

.image-wrapper {
    width: 350px;
    height: 350px;
    border-radius: 20px;
    overflow: hidden;
    border: 3px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-tag {
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin: 12px 0 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 84px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-green));
    border-radius: 999px;
    margin-top: 16px;
}

/* About Section */
.about {
    background-color: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.education-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.edu-card {
    background-color: var(--bg-card);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border: 1px solid var(--border-color);
}

.edu-icon {
    width: 44px;
    height: 44px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.edu-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.edu-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

.edu-year {
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
}

.certifications-card {
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    height: fit-content;
}

.cert-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.cert-header h3 {
    font-size: 18px;
    font-weight: 600;
}

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

.cert-list li {
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    padding-left: 20px;
}

.cert-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-card {
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    color: var(--accent);
}

.skill-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Experience Section */
.experience {
    background-color: var(--bg-secondary);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.exp-card {
    background-color: var(--bg-card);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.exp-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.exp-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.exp-badge.office {
    background-color: rgba(34, 197, 94, 0.2);
    color: var(--accent-green);
}

.exp-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    padding-right: 80px;
}

.exp-company {
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
}

.exp-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.exp-tags span {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    border: 1px solid var(--border-color);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    background-color: var(--bg-card);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.project-card.frontend {
    border-left: 3px solid var(--accent-green);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.project-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.project-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.project-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    background-color: transparent;
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--accent);
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
    text-align: center;
}

.contact .section-title {
    margin-bottom: 16px;
}

.contact-description {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 40px;
}

.contact-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}


.contact-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-card);
    padding: 16px 24px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}
.contact-card:hover, .contact-action:focus {
    border-color: var(--accent);
    transform: translateY(-2px);
    background: var(--accent);
    color: #fff;
}
.contact-action {
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(59,130,246,0.08);
    outline: none;
}
.contact-action:active {
    background: var(--accent-light);
    color: #fff;
}

/* Light mode overrides */
:root.light .contact-card {
    background-color: #fff;
    color: #18181b;
    border: 1px solid #e5e7eb;
}
:root.light .contact-card:hover, :root.light .contact-action:focus {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

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

.contact-card span {
    font-size: 14px;
    font-weight: 500;
}

/* Footer */
.footer {
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer p {
    color: var(--text-secondary);
    font-size: 14px;
}

:root.light .navbar {
    background-color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid #e5e7eb;
    backdrop-filter: blur(10px);
}

:root.light .logo {
    color: #18181b;
}

:root.light .nav-links a {
    color: #4b5563;
}

:root.light .nav-links a:hover {
    color: var(--accent);
}

:root.light .btn-resume {
    border-color: var(--accent);
    color: var(--accent) !important;
}

:root.light .btn-resume:hover {
    background-color: var(--accent);
    color: #fff !important;
}


/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }

    .hero-tagline {
        font-size: 28px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-tagline {
        font-size: 24px;
    }

    .hero-description {
        max-width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .image-wrapper {
        width: 280px;
        height: 280px;
    }

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

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

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

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

    .footer-container {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .contact-cards {
        flex-direction: column;
        align-items: center;
    }

    .contact-card {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-tagline {
        font-size: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .image-wrapper {
        width: 220px;
        height: 220px;
    }
}