/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Theme-independent values */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    --max-width: 1200px;
    --header-height: 80px;

    /* DARK THEME (Default) */
    --bg-primary: #0a0f1d;
    --bg-secondary: #121829;
    --bg-tertiary: #1b233d;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-primary: #3b82f6;      /* Electric Blue */
    --accent-secondary: #06b6d4;    /* Cyber Cyan */
    --accent-glow: rgba(6, 182, 212, 0.15);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-hover-border: rgba(6, 182, 212, 0.4);
    --header-bg: rgba(10, 15, 29, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --shadow-glow: rgba(59, 130, 246, 0.2);
    --scrollbar-track: #0c1122;
    --scrollbar-thumb: #1e294b;
}

/* LIGHT THEME */
html[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-primary: #2563eb;      /* Deep Royal Blue */
    --accent-secondary: #0891b2;    /* Deep Cyan */
    --accent-glow: rgba(37, 99, 235, 0.08);
    --card-border: rgba(15, 23, 42, 0.06);
    --card-hover-border: rgba(37, 99, 235, 0.3);
    --header-bg: rgba(248, 250, 252, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.06);
    --shadow-glow: rgba(37, 99, 235, 0.1);
    --scrollbar-track: #f1f5f9;
    --scrollbar-thumb: #cbd5e1;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

button {
    font-family: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

ul {
    list-style: none;
}

/* ==========================================================================
   BACKGROUND GLOW DECORATIONS
   ========================================================================== */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.12;
    pointer-events: none;
    z-index: -1;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.glow-1 {
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
}

.glow-2 {
    bottom: -100px;
    left: -100px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
}

html[data-theme="light"] .glow-bg {
    opacity: 0.05;
}

/* ==========================================================================
   UTILITY STYLES
   ========================================================================== */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background-color: rgba(255, 255, 255, 0.015);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px -10px var(--shadow-color);
    border-radius: var(--border-radius-md);
    transition: border var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

html[data-theme="light"] .glass-card {
    background-color: rgba(255, 255, 255, 0.7);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--border-radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    z-index: 100;
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.nav-container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.1rem;
}

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

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle Button */
.theme-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.theme-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.theme-btn .icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
}

/* Show/hide icon based on theme */
html[data-theme="dark"] .sun-icon {
    display: none;
}
html[data-theme="dark"] .moon-icon {
    display: block;
}
html[data-theme="light"] .sun-icon {
    display: block;
}
html[data-theme="light"] .moon-icon {
    display: none;
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
}

.mobile-nav-toggle .bar {
    height: 3px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 10px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section {
    padding: 100px 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--border-radius-full);
}

/* Reveal Scroll Animation */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-element.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-glow);
}

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

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

.btn-icon, .btn-icon-left {
    width: 1.2rem;
    height: 1.2rem;
    transition: transform var(--transition-normal);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: 140px;
    padding-bottom: 60px;
    position: relative;
}

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

.devops-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-secondary);
    padding: 0.4rem 1rem;
    background-color: var(--accent-glow);
    border: 1px solid var(--card-hover-border);
    border-radius: var(--border-radius-full);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
}

/* Hero Avatar Image & Floating Badges Wrapper */
.hero-devops-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
}

.hero-avatar-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
}

.hero-border-glow {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    z-index: 1;
    box-shadow: 0 0 35px var(--shadow-glow);
    animation: rotateGlow 10s linear infinite;
}

.hero-avatar-container {
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    overflow: hidden;
    z-index: 2;
    border: 3px solid var(--bg-primary);
}

.hero-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.hero-avatar-wrapper:hover .hero-avatar-img {
    transform: scale(1.08);
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Scroll Mouse Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
}

.mouse {
    width: 26px;
    height: 44px;
    border: 2px solid var(--text-secondary);
    border-radius: var(--border-radius-full);
    display: flex;
    justify-content: center;
    padding-top: 8px;
    transition: border-color var(--transition-fast);
}

.mouse:hover {
    border-color: var(--accent-primary);
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-secondary);
    border-radius: var(--border-radius-full);
    animation: scrollMouse 1.8s ease infinite;
}

@keyframes scrollMouse {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.3; }
    100% { transform: translateY(0); opacity: 1; }
}

/* Header Resume Button */
.nav-resume-btn {
    padding: 0.45rem 1.1rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
}

/* Section Subtitle (GET TO KNOW ME) */
.section-subtitle {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent-secondary);
    margin-bottom: 0.4rem;
}

/* ==========================================================================
   ABOUT ME SECTION
   ========================================================================== */
.about-container-single {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.about-role-tag {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 0.5rem;
}

.about-headline {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.about-bio-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.btn-download {
    margin-top: 0.5rem;
}

/* ==========================================================================
   TECHNICAL SKILLS SECTION
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
    box-shadow: 0 4px 15px -5px var(--shadow-color);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-hover-border);
    box-shadow: 0 10px 25px -10px var(--shadow-glow);
}

.skill-icon {
    width: 55px;
    height: 55px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem;
    background-color: var(--bg-tertiary);
    transition: transform var(--transition-normal), filter var(--transition-normal);
}

.skill-icon svg {
    width: 100%;
    height: 100%;
}

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

/* Brand Colors for Icons on Hover */
.skill-card:hover .skill-icon.aws { color: #FF9900; }
.skill-card:hover .skill-icon.docker { color: #2496ED; }
.skill-card:hover .skill-icon.kubernetes { color: #326CE5; }
.skill-card:hover .skill-icon.terraform { color: #7B42BC; }
.skill-card:hover .skill-icon.linux { color: #FFD23F; }
.skill-card:hover .skill-icon.prometheus { color: #E6522C; }
.skill-card:hover .skill-icon.grafana { color: #F47A20; }
.skill-card:hover .skill-icon.git { color: #F05032; }
.skill-card:hover .skill-icon.shell { color: #4EAA25; }
.skill-card:hover .skill-icon.cicd { color: #00ADB5; }

.skill-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ==========================================================================
   WORK EXPERIENCE SECTION
   ========================================================================== */
.experience-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 3rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 15px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: var(--border-radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-badge {
    position: absolute;
    left: -3rem;
    top: 15px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--bg-primary);
    z-index: 5;
    box-shadow: 0 0 15px var(--shadow-glow);
    transition: background-color var(--transition-slow);
}

.timeline-badge svg {
    width: 14px;
    height: 14px;
}

.timeline-content {
    padding: 2.5rem;
}

.timeline-content:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 15px 35px -15px var(--shadow-glow);
}

.experience-meta {
    margin-bottom: 1.5rem;
    position: relative;
}

.duration-badge {
    float: right;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: var(--border-radius-full);
    background-color: var(--accent-glow);
    border: 1px solid var(--card-hover-border);
    color: var(--accent-secondary);
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.company-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.experience-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.experience-details li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.bullet-icon {
    width: 8px;
    height: 8px;
    background-color: var(--accent-secondary);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--accent-secondary);
}

.experience-details p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.certificate-link {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 18px;
    border: 1px solid #00bfff;
    border-radius: 25px;
    color: #00bfff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.certificate-link:hover {
    background: rgba(0, 191, 255, 0.15);
    box-shadow: 0 0 15px rgba(0, 191, 255, 0.5);
    transform: translateY(-2px);
}

/* ==========================================================================
   EDUCATION SECTION
   ========================================================================== */
.education-grid {
    width: 100%;
}

.education-card {
    padding: 2.25rem 2.5rem;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.education-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--shadow-glow);
}

.education-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background-color: var(--accent-glow);
    color: var(--accent-secondary);
    border: 1px solid rgba(6, 182, 212, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.education-icon svg {
    width: 30px;
    height: 30px;
}

.education-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.4rem;
    margin-bottom: 0.2rem;
}

.school-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

@media(max-width: 768px) {
    .education-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }
}
/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.25rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    background: rgba(18, 24, 41, 0.7);
    border: 1px solid var(--card-border);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-hover-border);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4), 0 0 30px var(--shadow-glow);
}

.project-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--card-border);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-img {
    transform: scale(1.06);
}

.project-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 15, 29, 0.8) 100%);
    pointer-events: none;
}

.project-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.75rem;
}

.project-card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.project-tags span {
    padding: 0.3rem 0.75rem;
    border-radius: var(--border-radius-full);
    background: var(--accent-glow);
    color: var(--accent-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.project-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
    flex-grow: 1;
    text-align: center;
}

.project-action-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.project-action-btn i {
    margin-left: 6px;
    font-size: 0.85rem;
    transition: transform var(--transition-fast);
}

.project-action-btn:hover i {
    transform: translate(2px, -2px);
}

html[data-theme="light"] .project-card {
    background: #ffffff;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-wrapper {
    width: 100%;
}

.contact-info-panel {
    padding: 2.5rem;
    position: relative;
}

.contact-info-panel h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.contact-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.contact-icon-wrapper {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    color: var(--accent-secondary);
    border: 1px solid var(--card-border);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.contact-item:hover .contact-icon-wrapper {
    border-color: var(--accent-secondary);
    color: var(--text-primary);
}

.contact-icon-wrapper svg {
    width: 20px;
    height: 20px;
}

.contact-detail span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    display: block;
}

.contact-detail .detail-link, .contact-detail .detail-text {
    font-size: 1.05rem;
    font-weight: 600;
}

.contact-detail .detail-link:hover {
    color: var(--accent-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    padding: 3rem 2rem 5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--card-border);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Tablet Layout (max-width: 992px) */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

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

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

/* Mobile Navigation Toggle Show (max-width: 768px) */
@media (max-width: 768px) {
    .section {
        padding: 80px 1.5rem;
    }

    .section-title {
        font-size: 2.1rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    /* Mobile Header */
    .mobile-nav-toggle {
        display: flex;
        z-index: 101;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        box-shadow: -10px 0 30px var(--shadow-color);
        transition: right var(--transition-normal);
        border-left: 1px solid var(--card-border);
        z-index: 100;
    }

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

    /* Hamburger Animation to 'X' */
    .mobile-nav-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .mobile-nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .duration-badge {
        float: none;
        display: inline-block;
        margin-top: 0.5rem;
    }

    .education-card {
        flex-direction: column;
        gap: 1.25rem;
        text-align: center;
    }
}

/* Small Screens (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.4rem;
    }

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

    .btn {
        width: 100%;
    }

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

    .experience-timeline {
        padding-left: 2rem;
    }

    .experience-timeline::before {
        left: 8px;
    }

    .timeline-badge {
        left: -2.25rem;
        width: 26px;
        height: 26px;
        top: 20px;
    }

    .timeline-badge svg {
        width: 11px;
        height: 11px;
    }
}