/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Colors - Black & Grey Theme */
    --primary-hue: 0;
    --secondary-hue: 0;
    --accent-hue: 0;

    --primary-color: hsl(0, 0%, 85%);
    --primary-dark: hsl(0, 0%, 70%);
    --primary-light: hsl(0, 0%, 95%);

    --secondary-color: hsl(0, 0%, 60%);
    --accent-color: hsl(0, 0%, 75%);

    --bg-primary: hsl(0, 0%, 5%);
    --bg-secondary: hsl(0, 0%, 10%);
    --bg-tertiary: hsl(0, 0%, 15%);

    --text-primary: hsl(0, 0%, 95%);
    --text-secondary: hsl(0, 0%, 70%);
    --text-muted: hsl(0, 0%, 50%);

    --border-color: hsla(0, 0%, 100%, 0.1);
    --shadow-color: hsla(0, 0%, 0%, 0.5);

    /* Gradients - Grey Gradients */
    --gradient-primary: linear-gradient(135deg, hsl(0, 0%, 85%), hsl(0, 0%, 60%));
    --gradient-accent: linear-gradient(135deg, hsl(0, 0%, 75%), hsl(0, 0%, 85%));
    --gradient-glow: radial-gradient(circle at center, var(--primary-color), transparent);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Outfit', 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: 3rem;
    --font-size-6xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;

    /* Z-index */
    --z-canvas: -1;
    --z-base: 1;
    --z-nav: 100;
    --z-modal: 1000;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

/* ===========================
   3D Canvas Background
   =========================== */
#three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-canvas);
    opacity: 0.6;
}

/* ===========================
   Navigation
   =========================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: hsla(230, 25%, 8%, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-nav);
    transition: all var(--transition-base);
}

#navbar.scrolled {
    background: hsla(230, 25%, 8%, 0.95);
    box-shadow: 0 4px 30px var(--shadow-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-secondary);
    font-size: var(--font-size-2xl);
    letter-spacing: -0.5px;
}

.logo-first {
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
}

.logo-last {
    font-weight: 300;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.logo-pulse {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-left: 5px;
    box-shadow: 0 0 10px var(--primary-color);
    animation: logo-glow 2s infinite;
}

@keyframes logo-glow {

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

    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-base);
}

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

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

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ===========================
   Container & Section
   =========================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    min-height: 100vh;
    padding: var(--spacing-3xl) 0;
    position: relative;
    display: flex;
    align-items: center;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: hsla(0, 0%, 85%, 0.1);
    border: 1px solid hsla(0, 0%, 85%, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===========================
   Hero Section
   =========================== */
.hero-section {
    padding-top: calc(var(--spacing-3xl) + 60px);
}

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

.hero-greeting {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.wave {
    display: inline-block;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(20deg);
    }

    75% {
        transform: rotate(-20deg);
    }
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: hsl(0, 0%, 10%);
    font-weight: 700;
    box-shadow: 0 10px 30px hsla(0, 0%, 0%, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px hsla(0, 0%, 0%, 0.7);
    background: linear-gradient(135deg, hsl(0, 0%, 95%), hsl(0, 0%, 70%));
}

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: hsla(var(--primary-hue), 85%, 60%, 0.1);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: hsl(0, 0%, 10%);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px hsla(0, 0%, 100%, 0.2);
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: var(--gradient-glow);
    filter: blur(60px);
    opacity: 0.5;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.profile-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    border: 3px solid var(--border-color);
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px var(--shadow-color);
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: 0 10px 30px var(--shadow-color);
    animation: float 3s ease-in-out infinite;
    z-index: 10;
}

.floating-badge i {
    color: var(--primary-color);
}

.badge-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 30%;
    left: -10%;
    animation-delay: 1s;
}

.badge-3 {
    bottom: 10%;
    right: 5%;
    animation-delay: 2s;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% {
        top: 10px;
        opacity: 1;
    }

    100% {
        top: 30px;
        opacity: 0;
    }
}

/* ===========================
   Timeline (Experience)
   =========================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

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

.timeline-item {
    position: relative;
    padding-left: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.timeline-marker {
    position: absolute;
    left: -8px;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 4px hsla(0, 0%, 85%, 0.2);
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px var(--shadow-color);
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.company-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.company-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: white;
    /* Some logos might have transparency or look better on white */
    padding: 2px;
    border: 1px solid var(--border-color);
}

.timeline-company {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    /* Override previous margin */
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: hsla(0, 0%, 85%, 0.1);
    border: 1px solid hsla(0, 0%, 85%, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--primary-light);
}

/* ===========================
   Technologies Grid - Horizontal Scroll
   =========================== */
.technologies-grid {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--spacing-lg) 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
    position: relative;
}

.technologies-grid::-webkit-scrollbar {
    height: 8px;
}

.technologies-grid::-webkit-scrollbar-track {
    background: transparent;
    margin: 0 var(--spacing-lg);
}

.technologies-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.technologies-grid::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.tech-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    min-width: 180px;
    flex-shrink: 0;
}

.tech-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--shadow-color);
    background: var(--bg-tertiary);
}

.tech-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.tech-icon.colored {
    color: var(--text-primary);
}

.tech-card:hover .tech-icon {
    color: var(--text-primary);
    transform: scale(1.15);
}

.tech-name {
    font-weight: 600;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.tech-level {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ===========================
   Projects Grid
   =========================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px var(--shadow-color);
    border-color: var(--primary-color);
}

.project-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-content {
    padding: var(--spacing-xl);
}

.project-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

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

.project-link:hover {
    gap: var(--spacing-md);
}

/* ===========================
   Education Grid
   =========================== */
.education-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.education-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px var(--shadow-color);
}

.education-degree {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.education-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.university-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: white;
    padding: 2px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.education-institution {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0;
}

.education-year {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.education-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===========================
   Achievements Grid
   =========================== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.achievement-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.achievement-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.achievement-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

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

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

.achievement-issuer {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.achievement-date {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ===========================
   Blogs Grid
   =========================== */
.blogs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px var(--shadow-color);
    border-color: var(--primary-color);
}

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

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

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

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

.blog-link:hover {
    gap: var(--spacing-md);
}

/* ===========================
   Contact Section
   =========================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-2xl);
    color: white;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.contact-details a,
.contact-details p {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.contact-details a:hover {
    color: var(--primary-color);
}

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

.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px hsla(var(--primary-hue), 85%, 60%, 0.1);
}

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

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: hsla(120, 60%, 50%, 0.1);
    border: 1px solid hsla(120, 60%, 50%, 0.3);
    color: hsl(120, 60%, 70%);
}

.form-message.error {
    display: block;
    background: hsla(0, 60%, 50%, 0.1);
    border: 1px solid hsla(0, 60%, 50%, 0.3);
    color: hsl(0, 60%, 70%);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-content {
    color: var(--text-secondary);
}

.footer-content i {
    color: var(--primary-color);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-cta {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: hsla(230, 25%, 8%, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: left var(--transition-base);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .section-title {
        font-size: var(--font-size-4xl);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-2xl);
    }

    .hero-cta {
        flex-direction: column;
    }

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

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

    .technologies-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: var(--spacing-2xl);
    }

    .timeline-marker {
        left: 2px;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
    }

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

    .floating-badge {
        display: none;
    }
}

/* ===========================
   Testimonials Section
   =========================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px var(--shadow-color);
}

.testimonial-icon {
    position: absolute;
    top: -20px;
    right: 40px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.2;
}

.testimonial-content {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.read-more-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-style: normal;
    margin-left: 5px;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.read-more-link:hover {
    border-bottom-color: var(--primary-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.author-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 2px;
}

.author-info p {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        padding: var(--spacing-xl);
    }
}