/* Variables and reset */

:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #9333ea;
    --secondary-dark: #7e22ce;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --border: #e5e7eb;

    /* semantic defaults (light) */
    --bg: #ffffff;
    --card-bg: #f8fafc;
    --fg: #0f1724;        /* main foreground */
    --muted: #6b7280;
    --primary: #2563eb;
    --secondary: #9333ea;

    /* backwards-compatible names used throughout the file */
    --text-primary: var(--fg);
    --text-secondary: var(--muted);
    --text-light: #9ca3af;
    --bg-white: var(--bg);
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.875rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 1.75rem;
    --spacing-xl: 2.5rem;
    --spacing-2xl: 3.5rem;
    --spacing-3xl: 5rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 2.85rem;
    --font-size-6xl: 3.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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


/* Dark theme overrides */
html[data-theme="dark"], [data-theme="dark"] {
  --bg: #071028;
  --card-bg: #071426;
  --fg: #e6eef8;
  --muted: #9aa6b2;
  --primary: #60a5fa;
  --secondary: #9333ea;
  --text-primary: var(--fg);
  --text-secondary: var(--muted);
  --bg-white: var(--card-bg);
  --bg-light: #071426;
  --bg-gray: #071426;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(to bottom right, var(--bg-light), var(--bg-white), var(--bg-gray));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0.01em;
}

[data-theme="dark"]{
    --bg: #0b1220;
    --fg: #e6eef8;
    --muted: #9aa6b2;
    --primary: #60a5fa;
}

/* apply base colors */
html, body {
  background: var(--bg);
  color: var(--fg);
  transition: background .2s ease, color .2s ease;
}


/* primary button uses primary color for background */
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
}

/* outline button adapts */
.btn-outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

/* Nav bar / menu backgrounds */
nav, .nav-menu, .mobile-toggle, .container {
  background: transparent;
}

/* Cards / section panels */
.card, .portfolio-item, .services-grid > *, .blog-grid > *, .about-content, .contact-form {
  background: var(--card-bg);
  color: var(--fg);
  border: 1px solid var(--border);
}
/* Make sure headings, links, buttons, form fields, cards and SVGs inherit theme colors */
h1, h2, h3, h4, h5, h6, p, li, a, .nav-link, .section-title, .section-subtitle, .footer-text, .footer-title {
  color: var(--fg);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover { opacity: .9; }

/* Buttons */
.btn, .btn-primary, .btn-outline {
  color: var(--fg);
  background: transparent;
  border-color: var(--border);
}

/* Form inputs */
input, textarea, select {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

/* Muted text */
.muted, .small, .hero-subtitle, .section-subtitle {
  color: var(--muted);
}

/* SVGs and icon strokes should follow text color */
svg {
  stroke: currentColor;
  fill: none;
  color: var(--fg);
}

/* Theme toggle button */
.theme-toggle {
  color: var(--fg);
  border: 1px solid var(--border);
  background: transparent;
}

/* Ensure contrast for focused elements */
:focus {
  outline: 2px solid color-mix(in srgb, var(--primary) 40%, transparent);
  outline-offset: 2px;
}

/* Theme toggle button in the nav */
.theme-toggle{
    background: transparent;
    border: 1px solid rgba(0,0,0,0.06);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-left: 12px;
    font-size: 14px;
    font-weight: 500;
    transition: background .2s, color .2s, border-color .2s;
    color: var(--fg);
}

.theme-toggle .theme-icon{
    pointer-events: none;
    font-size: 18px;
}

.theme-toggle .theme-text {
    pointer-events: none;
    letter-spacing: 0.3px;
}

.theme-toggle:hover{
    background: rgba(0,0,0,0.04);
}

/* Adjust hover for dark mode */
[data-theme="dark"] .theme-toggle{
    border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .theme-toggle:hover{
    background: rgba(255,255,255,0.03);
}

/* Ensure svg/icon colors follow text color */
svg, .theme-icon {
    color: var(--fg);
}

/* Utilities */

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

.gradient-text {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 760px;
    margin-inline: auto;
}

.section-title {
    font-size: clamp(2rem, 5vw, var(--font-size-5xl));
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.75rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
}

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

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

.btn-outline:hover {
    background: rgba(37, 99, 235, 0.05);
}

.btn-submit {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
    justify-content: center;
    padding: 1rem 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    gap: 0.5rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

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

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Navigation */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    padding: 0.85rem 0;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] #navbar.scrolled {
    background: rgba(11, 18, 32, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

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

.nav-link:focus,
.nav-link:focus-visible {
    outline: none;
    box-shadow: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

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

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero section */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7.5rem 0 4rem;
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, var(--font-size-6xl));
    font-weight: 800;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, var(--font-size-2xl));
    color: var(--text-secondary);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 62ch;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

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

.avatar-container {
    position: relative;
    width: 320px;
    height: 320px;
}

.avatar-bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.6), rgba(147, 51, 247, 0.6));
    border-radius: var(--radius-full);
}

.avatar {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 288px;
    height: 288px;
    background: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}

.scroll-indicator {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
    color: var(--text-light);
    animation: bounce 2s infinite;
}

/* Highlights section */

.highlights {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(147, 51, 234, 0.06));
    border-top: 1px solid rgba(37, 99, 235, 0.12);
    border-bottom: 1px solid rgba(37, 99, 235, 0.12);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.highlight-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.35);
}

.highlight-title {
    font-size: var(--font-size-lg);
    margin-bottom: 0.5rem;
}

.highlight-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Portfolio section */

.portfolio {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    border: 1px solid var(--border);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.35);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    opacity: 0;
    transition: var(--transition);
}

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

.project-content {
    padding: 1.5rem;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.9rem;
    flex-wrap: wrap;
}

.project-badge {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-full);
    padding: 0.2rem 0.6rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
}

.project-badge-featured {
    background: rgba(147, 51, 234, 0.12);
    color: var(--secondary);
}

.project-year {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.project-outcome {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 0.93rem;
    font-weight: 600;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.project-link svg {
    transition: transform 0.2s ease;
}

.project-links {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.project-link-secondary {
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.project-link-secondary:hover {
    color: var(--primary);
    border-color: var(--primary);
}

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

.project-link:hover svg {
    transform: translateX(2px);
}


/* Ensure major section backgrounds follow theme variables */
.portfolio,
.services,
.blog {
    background: var(--bg);
}

.project-card,
.blog-card,
.card {
    background: var(--card-bg);
    color: var(--fg);
    border: 1px solid var(--border);
}

/* Ensure components using old variables get the theme colors */
.section-title,
.section-subtitle,
.nav-link,
.about-text,
.skill-name,
.skill-level,
.footer-text,
.footer-title,
.social-link,
.contact-email {
    color: var(--text-primary);
}


/* About section */

.about {
    padding: var(--spacing-3xl) 0;
}

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

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(240, 244, 255, 0.7));
    backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.about-content:hover {
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 12px 48px rgba(37, 99, 235, 0.12);
}

[data-theme="dark"] .about-content {
    background: linear-gradient(135deg, rgba(7, 20, 40, 0.6), rgba(11, 30, 55, 0.6));
    border-color: rgba(96, 165, 250, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .about-content:hover {
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 12px 48px rgba(96, 165, 250, 0.15);
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.9), rgba(240, 244, 255, 0.9));
    border-radius: 1rem;
    color: #2563eb;
    transition: all 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.15);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.1);
}

.social-link:hover {
    background: linear-gradient(to bottom right, #2563eb, #1d4ed8);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    border-color: #2563eb;
}

[data-theme="dark"] .social-link {
    background: linear-gradient(to bottom right, rgba(7, 20, 40, 0.8), rgba(11, 30, 55, 0.8));
    color: #60a5fa;
    border-color: rgba(96, 165, 250, 0.2);
    box-shadow: 0 4px 15px rgba(96, 165, 250, 0.1);
}

[data-theme="dark"] .social-link:hover {
    background: linear-gradient(to bottom right, #60a5fa, #3b82f6);
    color: #0b1220;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(96, 165, 250, 0.3);
    border-color: #60a5fa;
}

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

.skills-content {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(240, 244, 255, 0.7), rgba(255, 255, 255, 0.7));
    backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.skills-content:hover {
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 12px 48px rgba(37, 99, 235, 0.12);
}

[data-theme="dark"] .skills-content {
    background: linear-gradient(135deg, rgba(11, 30, 55, 0.6), rgba(7, 20, 40, 0.6));
    border-color: rgba(96, 165, 250, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .skills-content:hover {
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 12px 48px rgba(96, 165, 250, 0.15);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

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

.skill-level {
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

[data-theme="dark"] .skill-level {
    color: #60a5fa;
}

.skill-bar {
    height: 10px;
    background: linear-gradient(to right, rgba(37, 99, 235, 0.08), rgba(147, 51, 234, 0.08));
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

[data-theme="dark"] .skill-bar {
    background: linear-gradient(to right, rgba(96, 165, 250, 0.1), rgba(147, 51, 234, 0.1));
    border-color: rgba(96, 165, 250, 0.15);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

/* Services section */

.services {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

[data-theme="dark"] .services {
    background: var(--bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-lg);
    background: linear-gradient(to bottom right, white, var(--bg-light));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

[data-theme="dark"] .service-card {
    background: linear-gradient(to bottom right, var(--card-bg), rgba(7, 20, 40, 0.8));
    color: var(--fg);
    border: 1px solid rgba(96, 165, 250, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

[data-theme="dark"] .service-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-description {
    color: var(--text-secondary);
}

/* Blog section */

.blog {
    padding: var(--spacing-3xl) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.blog-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition);
}

[data-theme="dark"] .blog-card {
    background: var(--card-bg);
    color: var(--fg);
    border: 1px solid rgba(96, 165, 250, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

[data-theme="dark"] .blog-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.blog-content {
    padding: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.blog-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Contact section */

.contact {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f0f4ff 0%, #fef3ff 100%);
    color: var(--fg);
}

[data-theme="dark"] .contact {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(147, 51, 234, 0.1));
    color: white;
}

.contact .section-title,
.contact .section-subtitle {
    color: var(--fg);
}

[data-theme="dark"] .contact .section-title,
[data-theme="dark"] .contact .section-subtitle {
    color: white;
}

.contact .section-subtitle {
    opacity: 0.9;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .contact-form {
    background: rgba(7, 20, 40, 0.7);
    border: 1px solid rgba(96, 165, 250, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group label {
    font-weight: 600;
    color: #111827;
    font-size: 0.92rem;
    letter-spacing: 0.3px;
}

[data-theme="dark"] .form-group label {
    color: #e6eef8;
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 1.5px solid #dbe1ea;
    border-radius: 0.75rem;
    font-family: var(--font-family);
    font-size: 0.98rem;
    background: #ffffff;
    color: #111827;
    transition: all 0.3s ease;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: #7aa4f8;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: #ffffff;
}

.field-feedback {
    min-height: 1rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.form-group.field-error .field-feedback {
    color: #dc2626;
}

.form-group.field-error input,
.form-group.field-error textarea {
    border-color: #dc2626;
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.12);
}

.form-group.field-valid .field-feedback {
    color: #059669;
}

.form-group.field-valid input,
.form-group.field-valid textarea {
    border-color: #10b981;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: rgba(7, 20, 40, 0.9);
    color: #e6eef8;
    border-color: rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] .form-group input:hover,
[data-theme="dark"] .form-group textarea:hover {
    border-color: #60a5fa;
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: #6b7280;
}

.form-group textarea {
    resize: vertical;
}

.contact-info {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    max-width: 62ch;
    margin-inline: auto;
}

.contact-email {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

[data-theme="dark"] .contact-email {
    color: white;
}

.contact-email:hover {
    text-decoration: underline;
}

/* Footer */

.footer {
    background: #f3f4f6;
    color: #374151;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

[data-theme="dark"] .footer {
    background: #111827;
    color: #9ca3af;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

.footer .social-links {
    gap: 0.75rem;
}

.footer .social-link {
    width: 40px;
    height: 40px;
    background: #e5e7eb;
    color: #374151;
}

[data-theme="dark"] .footer .social-link {
    background: #1f2937;
    color: #9ca3af;
}

.footer .social-link:hover {
    background: #d1d5db;
    color: #111827;
}

[data-theme="dark"] .footer .social-link:hover {
    background: #374151;
    color: white;
}

.footer-links,
.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: #374151;
    text-decoration: none;
    transition: var(--transition);
}

[data-theme="dark"] .footer-links a {
    color: #9ca3af;
}

.footer-links a:hover {
    color: #111827;
}

[data-theme="dark"] .footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #e5e7eb;
}

[data-theme="dark"] .footer-bottom {
    border-top: 1px solid #374151;
}

.footer-copyright,
.footer-made {
    font-size: var(--font-size-sm);
}

/* Responsive */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding-top: 6.5rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .avatar-container {
        width: 250px;
        height: 250px;
    }
    
    .avatar {
        width: 220px;
        height: 220px;
        font-size: 6rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }

    .project-year {
        margin-left: 0;
    }

    .contact-form {
        padding: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .portfolio-grid,
    .services-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .project-content {
        padding: 1.2rem;
    }

}