/* 
    Muhamed Atallah Portfolio 
    Modern Dark Theme with Premium Glassmorphism
*/

/* Lucide Icon Base Fix */
i[data-lucide] {
    width: 24px;
    height: 24px;
    display: inline-block;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
}

:root {
    --container-width: 1200px;
    --header-height: 80px;
    --section-padding: 30px 0;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-theme {
    --primary-bg: #0b1120;
    --secondary-bg: #111b2d;
    --accent-color: #6366f1;
    --accent-glow: #2dd4bf;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(17, 27, 45, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shine: rgba(255, 255, 255, 0.05);
    --header-bg: rgba(11, 17, 32, 0.8);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #2dd4bf 100%);
    --shadow-glow: 0 10px 40px -10px rgba(45, 212, 191, 0.2);
}

.light-theme {
    --primary-bg: #ffffff;
    --secondary-bg: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);
    --header-bg: rgba(255, 255, 255, 0.9);
    --accent-color: #4f46e5;
    --accent-glow: #0ea5e9;
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
}

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

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition-smooth);
}

/* --- Subtle Depth Rhythm (Alternating Backgrounds) --- */
section:nth-of-type(even),
.stats-section {
    background-color: var(--secondary-bg);
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.light-theme section:nth-of-type(even),
.light-theme .stats-section {
    border-top: 1px solid rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

h1,
h2,
h3,
.logo {
    font-family: 'Outfit', sans-serif;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-padding);
}

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

/* --- Navigation --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

header.scrolled {
    background: var(--header-bg);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    height: 70px;
    /* Subtle shrink on scroll */
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-top {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-glow);
    letter-spacing: 0.5px;
}

.logo-bottom {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 1.5px;
}

.nav-links {
    display: flex;
    gap: 1.8rem;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    padding: 2px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

/* --- Theme Toggle --- */
.theme-toggle {
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
    /* Use primary text color for visibility */
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.theme-toggle:hover {
    color: var(--accent-glow);
}

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

.mobile-menu-toggle {
    display: none;
}

/* --- Cursor Glow --- */
#cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, opacity 0.3s;
}

.light-theme #cursor-glow {
    opacity: 0.1;
    /* Very subtle in light mode */
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.8rem 2.2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-smooth);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn-large {
    padding: 1.2rem 3.5rem;
    font-size: 1.15rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.5);
    filter: brightness(1.1);
}

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

.btn-secondary:hover {
    background: var(--glass-border);
    transform: translateY(-3px);
}

/* --- Premium Button Variant --- */
.btn-premium {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.25),
            transparent);
    transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium i[data-lucide],
.btn-premium svg {
    width: 26px;
    height: 26px;
    stroke-width: 2.5;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-premium:hover i,
.btn-premium:hover svg {
    transform: translateX(10px) translateY(-5px) scale(1.15) rotate(15deg);
}

.btn-premium:active {
    transform: scale(0.95);
}

/* --- Hero Section --- */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: center;
}

.hero-greeting {
    color: var(--accent-glow);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.8rem;
    display: block;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: clamp(2.2rem, 7vw, 4rem);
    line-height: 1.1;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.typing-container {
    font-size: clamp(1.1rem, 3.5vw, 1.8rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    min-height: 2.2rem;
    display: flex;
    align-items: center;
}

@media (max-width: 992px) {
    .typing-container {
        justify-content: center;
    }
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.highlight-text {
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--gradient-primary);
    opacity: 0.2;
    z-index: -1;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.hero-socials {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.hero-socials a i,
.hero-socials a svg {
    width: 22px;
    height: 22px;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.hero-socials a:hover i,
.hero-socials a:hover svg {
    color: var(--accent-glow);
    transform: translateY(-5px);
}

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

.hero-blob {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    filter: blur(80px);
    opacity: 0.3;
    z-index: -1;
    animation: blob-float 10s infinite alternate;
}

.hero-image-card {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-glow);
    /* Premium teal glow border */
    background: var(--glass-bg);
    position: relative;
    box-shadow: 0 0 30px rgba(45, 212, 191, 0.3), 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
    z-index: 1;
}

.hero-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    /* Keeps head focused in circle */
    filter: brightness(1.05) contrast(1.05);
}

.hero-image-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.hero-image-card:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 0 50px rgba(45, 212, 191, 0.5), 0 30px 60px -15px rgba(0, 0, 0, 0.6);
    border-color: var(--accent-color);
}

@keyframes blob-float {
    from {
        transform: translate(-20%, -20%) scale(1);
    }

    to {
        transform: translate(20%, 20%) scale(1.2);
    }
}

/* --- Stats Section --- */
.stats-section {
    background: var(--secondary-bg);
    padding: 20px 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Outfit';
    color: var(--accent-glow);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    color: var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    font-weight: 700;
}

.section-title {
    font-size: 2.5rem;
    margin: 0.5rem 0;
}

.section-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* --- Glassmorphism Refined --- */
.glass {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    overflow: hidden;
    /* For the shine effect */
}

.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            var(--glass-shine),
            transparent);
    transition: 0.5s;
    pointer-events: none;
    z-index: 1;
}

.glass:hover::before {
    left: 140%;
}

/* --- About & Info Cards --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.info-card {
    padding: 2rem;
    background: var(--secondary-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.info-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-glow);
}

.card-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-glow);
    margin-bottom: 1.5rem;
}

/* --- Skills --- */
.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
    background: var(--secondary-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent-glow);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tags span {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    font-size: 0.85rem;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.skill-tags span:hover {
    background: var(--accent-color);
    color: white;
}

/* --- About Me V2 (Screenshot Style) --- */
.about-grid-v2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.info-card-v2 {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border-radius: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.light-theme .info-card-v2 {
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.08);
}

.info-card-v2:hover {
    transform: translateY(-5px);
    border-color: var(--accent-glow);
    background: var(--glass-bg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.card-icon-v2 {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.card-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.card-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* --- Skills Grid --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-glow);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.skill-icon i {
    width: 32px;
    height: 32px;
    color: var(--accent-glow);
}

.skill-card h3 {
    margin-bottom: 1.2rem;
    font-size: 1.2rem;
}

.skill-card ul {
    list-style: none;
}

.skill-card ul li {
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-card ul li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-glow);
    border-radius: 50%;
}

/* --- Enhanced Skills Layout (Grid V3) --- */
.skills-grid-v3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.skill-item-v3 {
    padding: 1.2rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.skill-item-v3:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent-glow);
    background: rgba(99, 102, 241, 0.08);
    box-shadow: var(--shadow-glow);
}

.skill-icon-v3 {
    width: 48px;
    height: 48px;
    background: rgba(45, 212, 191, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(45, 212, 191, 0.2);
    transition: var(--transition-smooth);
}

.skill-item-v3:hover .skill-icon-v3 {
    background: var(--gradient-primary);
    color: white;
    transform: rotate(10deg);
}

.skill-icon-v3 i {
    width: 24px;
    height: 24px;
    color: var(--accent-glow);
}

.skill-item-v3:hover .skill-icon-v3 i {
    color: white;
}

.skill-info-v3 h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.skill-info-v3 p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.skill-info-v3 strong {
    color: var(--accent-glow);
}

@media (max-width: 768px) {
    .skills-grid-v3 {
        grid-template-columns: 1fr;
    }
}

/* --- Timeline --- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--accent-glow);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content {
    padding: 1.8rem;
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: var(--accent-glow);
    box-shadow: 0 10px 30px -10px rgba(45, 212, 191, 0.2);
}

.timeline-date {
    display: block;
    color: var(--accent-glow);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.8rem;
    gap: 1.5rem;
}

.role {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
    line-height: 1.2;
}

.company {
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.company a {
    display: inline-flex;
    color: var(--accent-glow);
    opacity: 0.8;
}

.company a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.company a i,
.company a svg {
    width: 16px !important;
    height: 16px !important;
    stroke-width: 2.5;
}

.timeline-content ul {
    color: var(--text-secondary);
    padding-left: 1.2rem;
}

.timeline-content li {
    margin-bottom: 0.5rem;
}

/* --- Projects --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.project-card {
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

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

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 0.8rem;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    gap: 0.8rem;
}

.project-tech span {
    font-size: 0.75rem;
    color: var(--accent-glow);
    font-weight: 600;
    text-transform: uppercase;
}

/* --- Contact --- */
/* --- Contact v2 --- */
.contact-card-v2 {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem;
    text-align: center;
}

.contact-header-v2 h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-header-v2 p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-methods-v2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.contact-item-v2 {
    text-decoration: none;
    padding: 1.2rem 1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.6rem;
}

.contact-item-v2:hover {
    background: rgba(99, 102, 241, 0.05);
    border-color: var(--accent-glow);
    transform: translateY(-5px);
}

.contact-item-v2 i {
    width: 32px;
    height: 32px;
    color: var(--accent-glow);
}

.contact-item-v2 h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.contact-item-v2 p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.contact-action-v2 {
    display: flex;
    justify-content: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
}

.contact-methods {
    margin-top: 2rem;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.method-item i {
    width: 50px;
    height: 50px;
    padding: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-color);
    border-radius: 12px;
}

.contact-form {
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
}

/* --- Footer --- */
.footer {
    padding: 20px 0;
    background: var(--primary-bg);
    border-top: 1px solid var(--glass-border);
}

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

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

/* --- Certificates & Education --- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.cert-card {
    padding: 1.2rem 1rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.cert-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-glow);
}

.cert-card i {
    width: 40px;
    height: 40px;
    color: var(--accent-glow);
    margin-bottom: 1rem;
}

.cert-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.cert-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

/* --- Cert Code Copy Feature --- */
.cert-code-container {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(45, 212, 191, 0.05);
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(45, 212, 191, 0.2);
    margin-top: 0.5rem;
}

.cert-code-container code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent-glow);
    font-weight: 600;
}

.copy-code-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem;
    transition: var(--transition-smooth);
    position: relative;
}

.copy-code-btn:hover {
    color: var(--accent-glow);
    transform: scale(1.1);
}

.copy-code-btn i, .copy-code-btn svg {
    width: 14px;
    height: 14px;
    margin-bottom: 0 !important; /* Reset cert-card i margin */
}

/* Tooltip for Copy */
.copy-tooltip {
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: var(--accent-glow);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.copy-tooltip.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.edu-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 1.8rem;
    text-align: center;
}

.grade {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.4rem 1.2rem;
    background: rgba(45, 212, 191, 0.1);
    color: var(--accent-glow);
    border-radius: 50px;
    font-weight: 700;
}

/* --- Applications --- */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.app-card {
    padding: 1.8rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.app-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-glow);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 0 20px rgba(45, 212, 191, 0.1);
}

.app-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.app-header i {
    width: 44px;
    height: 44px;
    padding: 10px;
    background: rgba(45, 212, 191, 0.1);
    border-radius: 12px;
    color: var(--accent-glow);
    flex-shrink: 0;
    transition: transform 0.4s ease;
}

.app-card:hover .app-header i {
    transform: rotate(10deg) scale(1.1);
    background: rgba(45, 212, 191, 0.2);
}

.app-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
}

.app-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.8rem;
    line-height: 1.7;
    flex-grow: 1;
}

.app-platforms {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.platform-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.platform-badge i {
    width: 14px;
    height: 14px;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--glass-border);
}

.app-tags span {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--accent-glow);
    background: rgba(45, 212, 191, 0.05);
    padding: 0.25rem 0.8rem;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.app-tags span.company-tag {
    color: var(--accent-color);
    background: rgba(99, 102, 241, 0.1);
}

.company-tag a {
    color: inherit;
    text-decoration: none;
}

.app-tags {
    display: flex;
    gap: 0.8rem;
}

.app-tags span {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-color);
    background: rgba(99, 102, 241, 0.1);
    padding: 0.2rem 0.8rem;
    border-radius: 4px;
}

/* --- QA Artifact CTA link --- */
.artifact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 1.2rem;
    color: var(--accent-glow);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: gap 0.3s ease, opacity 0.3s ease;
}

.artifact-link:hover {
    gap: 0.8rem;
    opacity: 0.85;
}

.artifact-link i {
    width: 16px;
    height: 16px;
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* --- Responsive --- */
@media (max-width: 992px) {
    .section {
        padding: 20px 0;
    }

    .hero {
        padding-top: 80px;
        padding-bottom: 20px;
        min-height: auto;
    }

    .hero-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-image-wrapper {
        order: 1;
        margin-bottom: 1.5rem;
    }

    .hero-image-card {
        width: 280px;
        height: 280px;
        max-width: 80vw;
        max-height: 80vw;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
        font-size: 1rem;
    }

    .hero-title {
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 0.5rem;
    }

    .hero-cta {
        justify-content: center;
        margin-bottom: 1.5rem;
        flex-direction: column;
        width: 100%;
    }

    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 100%;
    }

    .btn-premium i[data-lucide],
    .btn-premium svg {
        width: 24px !important;
        height: 24px !important;
        stroke-width: 2.5;
    }

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

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

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--secondary-bg);
        padding: 2rem;
        border-bottom: 1px solid var(--glass-border);
        gap: 1.5rem;
    }

    .nav-links.mobile-active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }

    .mobile-menu-toggle {
        display: block;
        cursor: pointer;
        padding: 0.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}