/* 
  Abdishakur Abdi Hassan - Portfolio Custom CSS stylesheet
  Author: Abdishakur Abdi Hassan
  Design Mood: Modern, Professional, Glassmorphism Slate Dark/Light Theme
*/

/* --- CSS Variables & Theming --- */
:root {
    /* Color Palette - Constant across themes */
    --color-primary: #2563eb;       /* Royal Blue */
    --color-secondary: #06b6d4;     /* Vibrant Cyan */
    --color-primary-rgb: 37, 99, 235;
    --color-secondary-rgb: 6, 182, 212;
    --color-accent: #06b6d4;
    
    /* Fonts */
    --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Animations & Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Shadows */
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-round: 50%;
}

/* Dark Theme Variables (Default) */
body.dark-theme {
    --bg-primary: #0f172a;          /* Deep Slate */
    --bg-secondary: #1e293b;        /* Lighter Slate */
    --bg-dark-alt: #0b0f19;         /* Very Dark Blue-Slate */
    --bg-glass: rgba(30, 41, 59, 0.45);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.4);
    --text-primary: #f8fafc;        /* High-contrast off-white */
    --text-secondary: #94a3b8;      /* Soft gray */
    --text-muted: #64748b;         /* Muted gray */
    --card-hover-border: rgba(6, 182, 212, 0.2);
    --gradient-glow: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(6, 182, 212, 0.15));
    --input-bg: rgba(15, 23, 42, 0.6);
}

/* Light Theme Variables */
body.light-theme {
    --bg-primary: #f8fafc;          /* Light Slate Tint */
    --bg-secondary: #ffffff;        /* Pure White */
    --bg-dark-alt: #f1f5f9;         /* Accent Light Slate */
    --bg-glass: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-shadow: rgba(37, 99, 235, 0.04);
    --text-primary: #0f172a;        /* Deep Slate Text */
    --text-secondary: #475569;      /* Standard reading gray */
    --text-muted: #94a3b8;          /* Light gray */
    --card-hover-border: rgba(37, 99, 235, 0.2);
    --gradient-glow: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(6, 182, 212, 0.05));
    --input-bg: rgba(241, 245, 249, 0.9);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--bg-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.3s ease;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6.5rem 0;
    position: relative;
    z-index: 10;
}

.bg-dark-alt {
    background-color: var(--bg-dark-alt);
    transition: background-color 0.5s ease;
}

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

.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2.5rem; }
.mt-8 { margin-top: 3.5rem; }
.w-full { width: 100%; }

/* --- Preloader --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #0f172a;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(6, 182, 212, 0.1);
    border-radius: var(--radius-round);
    border-top-color: var(--color-secondary);
    animation: spin 1s infinite cubic-bezier(0.5, 0.1, 0.4, 0.9);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Scroll Progress Bar --- */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    z-index: 1000;
    transition: width 0.1s ease;
}

/* --- Glassmorphism Card Style --- */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px 0 var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--card-hover-border);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.35), var(--shadow-glow);
}

/* --- Navigation Header --- */
#header-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

#header-navbar.sticky {
    background-color: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.8rem 0;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

#navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    transition: var(--transition-smooth);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: var(--transition-fast);
}

.logo span {
    color: var(--color-secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.3rem 0;
    transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-secondary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition-smooth);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

#theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.1rem;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-glass);
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
}

#theme-toggle:hover {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
    transform: scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.hamburger .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Hamburger Active Transform */
.hamburger.active #bar-1 {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active #bar-2 {
    opacity: 0;
}

.hamburger.active #bar-3 {
    transform: translateY(-8px) rotate(-45deg);
}

/* --- Background floating shapes --- */
.shapes-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.shape {
    position: absolute;
    background: var(--gradient-glow);
    filter: blur(60px);
    border-radius: var(--radius-round);
    opacity: 0.45;
    animation: float 20s infinite alternate ease-in-out;
}

#shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -5%;
    background: rgba(37, 99, 235, 0.15);
}

#shape-2 {
    width: 400px;
    height: 400px;
    top: 40%;
    right: -10%;
    background: rgba(6, 182, 212, 0.15);
    animation-delay: -5s;
    animation-duration: 25s;
}

#shape-3 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    left: 15%;
    background: rgba(37, 99, 235, 0.1);
    animation-delay: -2s;
}

#shape-4 {
    width: 350px;
    height: 350px;
    bottom: 20%;
    right: 25%;
    background: rgba(6, 182, 212, 0.08);
    animation-delay: -8s;
}

@keyframes float {
    0% {
        transform: translateY(0) scale(1) rotate(0deg);
    }
    100% {
        transform: translateY(-60px) scale(1.15) rotate(180deg);
    }
}

/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8.5rem;
    padding-bottom: 4rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-content .subtitle {
    color: var(--color-secondary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-content .title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    color: var(--text-primary);
}

.typing-container {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-height: 2.2rem;
    display: flex;
    align-items: center;
}

.typed-text {
    color: var(--color-secondary);
    font-weight: 600;
}

.cursor {
    color: var(--color-secondary);
    animation: blink 0.75s step-end infinite;
    font-weight: 300;
    margin-left: 2px;
}

@keyframes blink {
    from, to { color: transparent }
    50% { color: var(--color-secondary); }
}

.hero-content .description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1rem 0;
}

/* Buttons System */
.btn-group {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.85rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background-color: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

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

.btn-accent:hover {
    background-color: var(--color-secondary);
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.3);
}

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

.image-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: var(--radius-round);
    padding: 8px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    z-index: 5;
}

.profile-pic {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    border-radius: var(--radius-round);
    border: 4px solid var(--bg-primary);
    transition: var(--transition-smooth);
}

.image-wrapper:hover .profile-pic {
    transform: scale(1.02);
}

.glow-effect {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    filter: blur(25px);
    z-index: -1;
    border-radius: var(--radius-round);
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.image-wrapper:hover .glow-effect {
    opacity: 0.85;
    transform: scale(1.05);
}

/* Scroll indicator */
.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
}

.scroll-down a {
    display: block;
    width: 30px;
    height: 50px;
    position: relative;
}

.scroll-down span {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-left: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(-45deg);
    animation: scroll-arrow 1.5s infinite;
}

.scroll-down span:nth-child(1) {
    top: 10px;
    animation-delay: 0s;
}

.scroll-down span:nth-child(2) {
    top: 18px;
    animation-delay: 0.15s;
}

.scroll-down span:nth-child(3) {
    top: 26px;
    animation-delay: 0.3s;
}

@keyframes scroll-arrow {
    0% {
        opacity: 0;
        transform: translate(-50%, -10px) rotate(-45deg);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(-50%, 10px) rotate(-45deg);
    }
}

/* --- Section Headings --- */
.section-title {
    text-align: center;
    margin-bottom: 4.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.section-subtitle {
    color: var(--color-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.title-bar {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-sm);
    margin-top: 0.6rem;
}

/* --- About Me Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
    align-items: start;
}

.objective-card {
    padding: 2.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.objective-card .card-icon {
    font-size: 2.2rem;
    color: var(--color-secondary);
}

.objective-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.objective-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

.about-education h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.about-education h3 i {
    color: var(--color-secondary);
}

/* Timeline Setup */
.timeline {
    position: relative;
    border-left: 2px solid var(--glass-border);
    padding-left: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline-item {
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: calc(-1.8rem - 7px);
    top: 2rem;
    width: 12px;
    height: 12px;
    border-radius: var(--radius-round);
    background-color: var(--color-secondary);
    box-shadow: 0 0 10px var(--color-secondary);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--color-primary);
    box-shadow: 0 0 14px var(--color-primary);
}

.timeline-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.timeline-content {
    padding: 1.8rem;
}

.timeline-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-content h5 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.location-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-round);
    margin-top: 1rem;
}

.badge-ongoing {
    background-color: rgba(6, 182, 212, 0.12);
    color: var(--color-secondary);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge-completed {
    background-color: rgba(34, 197, 94, 0.12);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skill-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.skill-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6rem;
    background-color: var(--bg-secondary);
    transition: var(--transition-fast);
}

.icon-html { color: #e34c26; border: 1px solid rgba(227, 76, 38, 0.15); }
.icon-css { color: #264de4; border: 1px solid rgba(38, 77, 228, 0.15); }
.icon-js { color: #f7df1e; border: 1px solid rgba(247, 223, 30, 0.15); }
.icon-rwd { color: var(--color-secondary); border: 1px solid rgba(6, 182, 212, 0.15); }
.icon-django { color: #44b78b; border: 1px solid rgba(68, 183, 139, 0.15); }
.icon-mongodb { color: #47a248; border: 1px solid rgba(71, 162, 72, 0.15); }
.icon-git { color: #f05032; border: 1px solid rgba(240, 80, 50, 0.15); }
.icon-node { color: #68a063; border: 1px solid rgba(104, 160, 99, 0.15); }
.icon-python { color: #3776ab; border: 1px solid rgba(55, 118, 171, 0.15); }
.icon-php { color: #777bb4; border: 1px solid rgba(119, 123, 180, 0.15); }
.icon-java { color: #f89820; border: 1px solid rgba(248, 152, 32, 0.15); }
.icon-sql { color: #0078d4; border: 1px solid rgba(0, 120, 212, 0.15); }
.icon-github { color: #f0f6fc; border: 1px solid rgba(240, 246, 252, 0.15); }
.icon-figma { color: #f24e1e; border: 1px solid rgba(242, 78, 30, 0.2); }

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

.skill-meta {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-meta h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-percentage {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
}

/* Progress Bar Track */
.progress-track {
    width: 100%;
    height: 8px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-round);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-round);
    width: 0%; /* Dynamic fill in JS */
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-card.revealed .progress-bar {
    width: var(--percent);
}

.skill-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Featured Projects --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.project-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 60%; /* Aspect ratio 5:3 */
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.project-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 10;
}

.project-image-wrapper:hover .project-overlay {
    opacity: 1;
}

.overlay-buttons {
    display: flex;
    gap: 1.5rem;
}

.project-icon-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-round);
    background-color: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.project-icon-btn:hover {
    transform: scale(1.1);
    background-color: var(--color-secondary);
    color: #0f172a;
}

.project-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.8rem;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-secondary);
    letter-spacing: 1.5px;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.project-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.tag {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
}

.project-links-row {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.text-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

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

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

.text-link:hover i {
    transform: translateX(4px);
}

.primary-btn {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
    transition: var(--transition-fast);
}

.primary-btn:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
}

/* --- Resume Section --- */
.resume-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.block-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.8rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.block-title i {
    color: var(--color-secondary);
}

.resume-item {
    padding: 1.8rem;
}

.resume-item .item-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.resume-item .item-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-top: 0.2rem;
    margin-bottom: 0.8rem;
}

.resume-item .item-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.achievements-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.achievements-list li {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.achieve-bullet {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-round);
    background-color: var(--color-secondary);
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.achievements-list p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}

.tech-item {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.tech-item i {
    color: var(--color-secondary);
    font-size: 1rem;
}

.languages-flex {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

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

.lang-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.lang-proficiency {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.resume-download-cta {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.cta-icon {
    font-size: 3rem;
    color: var(--color-primary);
}

.resume-download-cta h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

.resume-download-cta p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-greet {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-cards-container {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 2rem;
}

.contact-info-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.2rem 1.8rem;
}

.contact-info-card:hover {
    transform: translateX(5px);
}

.info-icon {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.15rem;
    color: var(--color-secondary);
}

.info-details span {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.info-details p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0.1rem;
}

.info-details a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.info-details a:hover {
    color: var(--color-secondary);
}

.social-connect h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.social-links-row {
    display: flex;
    gap: 1.2rem;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.social-btn.github {
    background-color: #24292e;
    color: #ffffff;
}

.social-btn.github:hover {
    background-color: #333940;
    transform: translateY(-2px);
}

.social-btn.linkedin {
    background-color: #0077b5;
    color: #ffffff;
}

.social-btn.linkedin:hover {
    background-color: #0087cb;
    transform: translateY(-2px);
}

/* Form Styles */
.contact-form-wrapper {
    padding: 2.5rem;
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group label .required {
    color: #ef4444;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1.2rem;
    background-color: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

.form-status-msg {
    margin-top: 1.2rem;
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
}

.form-status-msg.success {
    display: block;
    background-color: rgba(34, 197, 94, 0.12);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-status-msg.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* --- Footer --- */
#footer {
    background-color: var(--bg-dark-alt);
    border-top: 1px solid var(--glass-border);
    padding: 4.5rem 0 2.5rem 0;
    transition: background-color 0.5s ease;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer-logo a {
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.footer-logo a span {
    color: var(--color-secondary);
}

.footer-logo p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-socials a:hover {
    transform: translateY(-3px);
    background-color: var(--color-secondary);
    color: #0f172a;
    border-color: var(--color-secondary);
}

.footer-bottom {
    width: 100%;
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    margin-top: 1rem;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Back to Top Button --- */
.back-to-top-btn {
    position: fixed;
    bottom: 2.5rem;
    right: 2.5rem;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-round);
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    z-index: 99;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    transition: var(--transition-smooth);
}

.back-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top-btn:hover {
    background-color: var(--color-secondary);
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.4);
    transform: translateY(-3px);
}

/* --- Scroll Reveal Animations --- */
.reveal, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-50px);
}

.reveal-right {
    transform: translateX(50px);
}

.reveal.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Responsive Media Queries --- */

/* Tablet viewports (992px and below) */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero-grid {
        gap: 2.5rem;
    }
    
    .hero-content .title {
        font-size: 2.8rem;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .skills-grid,
    .projects-grid,
    .resume-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .image-wrapper {
        width: 280px;
        height: 280px;
    }
}

/* Mobile viewports (768px and below) */
@media (max-width: 768px) {
    .section {
        padding: 5rem 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--glass-border);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        z-index: 100;
        transition: var(--transition-smooth);
        box-shadow: -10px 0 30px rgba(0,0,0,0.25);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1; /* Place avatar at top on mobile */
    }
    
    .hero-content {
        align-items: center;
    }
    
    .btn-group {
        justify-content: center;
    }
    
    .objective-card,
    .contact-form-wrapper {
        padding: 1.8rem;
    }
    
    .back-to-top-btn {
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

/* Small screen mobile viewports (480px and below) */
@media (max-width: 480px) {
    .hero-content .title {
        font-size: 2.2rem;
    }
    
    .typing-container {
        font-size: 1.2rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .image-wrapper {
        width: 220px;
        height: 220px;
    }
    
    .timeline {
        padding-left: 1.2rem;
    }
    
    .timeline-dot {
        left: calc(-1.2rem - 5px);
        width: 10px;
        height: 10px;
    }
}