/* CSS Variables */
:root {
    --primary-color: #00FF66;
    --secondary-color: #1A1A1A;
    --accent-color: #00FF66;
    --tertiary-color: #3A3A3A;
    --gradient-primary: linear-gradient(135deg, #00FF66 0%, #00CC52 100%);
    --gradient-secondary: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
    --gradient-accent: linear-gradient(135deg, #00FF66 0%, #00E65C 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 255, 102, 0.3) 0%, rgba(0, 204, 82, 0.1) 100%);
    --dark-bg: #000000;
    --dark-secondary: #1A1A1A;
    --dark-tertiary: #3A3A3A;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-accent: #00FF66;
    --glow-primary: 0 0 20px rgba(0, 255, 102, 0.5);
    --glow-medium: 0 0 40px rgba(0, 255, 102, 0.3);
    --glow-heavy: 0 0 60px rgba(0, 255, 102, 0.4);
    --shadow-cyber: 0 8px 32px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-bg: rgba(26, 26, 26, 0.8);
    --glass-border: rgba(0, 255, 102, 0.2);
}

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

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Loading Screen */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

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

.loader-logo-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-logo {
    width: 80px;
    height: 80px;
    object-fit: cover;
    z-index: 2;
    position: relative;
    border-radius: 50%;
    filter: drop-shadow(0 0 20px rgba(0, 255, 102, 0.3));
}

.loader-border-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), transparent, var(--primary-color)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: subtract;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: subtract;
    animation: borderSpin 2s linear infinite, borderPulse 3s ease-in-out infinite;
    box-shadow: 
        inset 0 0 20px rgba(0, 255, 102, 0.2),
        0 0 30px rgba(0, 255, 102, 0.4),
        0 0 60px rgba(0, 255, 102, 0.2);
}

.loader-border-animation::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: conic-gradient(from 0deg, var(--primary-color), transparent, var(--primary-color), transparent, var(--primary-color));
    border-radius: 50%;
    z-index: -1;
    animation: borderRotate 2s linear infinite;
}

.loader-text {
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: 300;
    margin-top: 10px;
}

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

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

@keyframes borderPulse {
    0%, 100% { 
        box-shadow: 
            inset 0 0 20px rgba(0, 255, 102, 0.2),
            0 0 30px rgba(0, 255, 102, 0.4),
            0 0 60px rgba(0, 255, 102, 0.2);
    }
    50% { 
        box-shadow: 
            inset 0 0 30px rgba(0, 255, 102, 0.4),
            0 0 50px rgba(0, 255, 102, 0.6),
            0 0 100px rgba(0, 255, 102, 0.4);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow-light);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo .logo-text {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navbar Logo Image */
.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 45px;
    width: auto;
    border-radius: 6px; /* leve arredondamento */
    border: 2px solid rgba(0, 255, 102, 0.35); /* contorno verde sutil */
    box-shadow: 0 0 10px rgba(0, 255, 102, 0.15); /* glow leve */
    padding: 1px; /* para dar respiro ao contorno */
    background: rgba(26, 26, 26, 0.6); /* integra com glass/dark */
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.logo-img:hover {
    box-shadow: 0 0 14px rgba(0, 255, 102, 0.25);
    border-color: rgba(0, 255, 102, 0.5);
    transform: translateY(-1px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* Standalone Mobile Menu (off-canvas) */
.mobile-menu {
    position: fixed;
    top: 70px; /* same navbar height */
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--glass-border);
    box-shadow: var(--shadow-cyber);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1200;
    display: none; /* enabled on mobile */
}

.mobile-menu.open { transform: translateX(0); }

.mobile-menu-list {
    list-style: none;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    padding: 0 20px;
}

.mobile-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    opacity: 1; /* evita aparência apagada por herança */
    pointer-events: auto;
}
.mobile-link:visited { color: var(--text-primary); }

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.mobile-link:hover,
.mobile-link.active { color: var(--primary-color); }
.mobile-link:hover::after,
.mobile-link.active::after { width: 100%; }

/* garante que nenhum item herde opacidade reduzida */
.mobile-menu-list > li { opacity: 1; }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 20px 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(0, 255, 102, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 80% 20%, rgba(0, 255, 102, 0.08) 0%, transparent 50%),
                linear-gradient(45deg, transparent 30%, rgba(0, 255, 102, 0.02) 50%, transparent 70%);
    z-index: -1;
    animation: cyberPulse 4s ease-in-out infinite;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 80vh;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}

.title-line {
    display: block;
    overflow: hidden;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000000;
    border: 1px solid var(--primary-color);
    box-shadow: var(--glow-primary);
    position: relative;
    overflow: hidden;
}

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

.btn-secondary {
    background: var(--glass-bg);
    color: var(--primary-color);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-cyber);
}

.btn-secondary:hover {
    background: rgba(0, 255, 102, 0.1);
    box-shadow: var(--shadow-cyber), var(--glow-primary);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-cyber), var(--glow-primary);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite, cyberGlow 3s ease-in-out infinite alternate;
}

/* Responsive Circular Formation */
@media (min-width: 768px) {
    .card-1 { top: 20%; left: 50%; transform: translateX(-50%) translateY(-50%); animation-delay: 0s; }
    .card-2 { top: 25%; left: 70%; transform: translateX(-50%) translateY(-50%); animation-delay: 0.5s; }
    .card-3 { top: 40%; left: 80%; transform: translateX(-50%) translateY(-50%); animation-delay: 1s; }
    .card-4 { top: 60%; left: 80%; transform: translateX(-50%) translateY(-50%); animation-delay: 1.5s; }
    .card-5 { top: 75%; left: 70%; transform: translateX(-50%) translateY(-50%); animation-delay: 2s; }
    .card-6 { top: 80%; left: 50%; transform: translateX(-50%) translateY(-50%); animation-delay: 2.5s; }
    .card-7 { top: 75%; left: 30%; transform: translateX(-50%) translateY(-50%); animation-delay: 3s; }
    .card-8 { top: 60%; left: 20%; transform: translateX(-50%) translateY(-50%); animation-delay: 3.5s; }
    .card-9 { top: 40%; left: 20%; transform: translateX(-50%) translateY(-50%); animation-delay: 4s; }
    .card-10 { top: 25%; left: 30%; transform: translateX(-50%) translateY(-50%); animation-delay: 4.5s; }
    .card-11 { top: 50%; left: 50%; transform: translateX(-50%) translateY(-50%); animation-delay: 5s; }
}

/* Mobile Layout - Smaller circle */
@media (max-width: 767px) {
    .floating-card {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .card-1 { top: 25%; left: 50%; transform: translateX(-50%) translateY(-50%); animation-delay: 0s; }
    .card-2 { top: 30%; left: 65%; transform: translateX(-50%) translateY(-50%); animation-delay: 0.5s; }
    .card-3 { top: 45%; left: 75%; transform: translateX(-50%) translateY(-50%); animation-delay: 1s; }
    .card-4 { top: 60%; left: 75%; transform: translateX(-50%) translateY(-50%); animation-delay: 1.5s; }
    .card-5 { top: 70%; left: 65%; transform: translateX(-50%) translateY(-50%); animation-delay: 2s; }
    .card-6 { top: 75%; left: 50%; transform: translateX(-50%) translateY(-50%); animation-delay: 2.5s; }
    .card-7 { top: 70%; left: 35%; transform: translateX(-50%) translateY(-50%); animation-delay: 3s; }
    .card-8 { top: 60%; left: 25%; transform: translateX(-50%) translateY(-50%); animation-delay: 3.5s; }
    .card-9 { top: 45%; left: 25%; transform: translateX(-50%) translateY(-50%); animation-delay: 4s; }
    .card-10 { top: 30%; left: 35%; transform: translateX(-50%) translateY(-50%); animation-delay: 4.5s; }
    .card-11 { top: 50%; left: 50%; transform: translateX(-50%) translateY(-50%); animation-delay: 5s; }
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(-50%) translateY(0px) rotate(0deg); }
    50% { transform: translateX(-50%) translateY(-50%) translateY(-20px) rotate(5deg); }
}

@keyframes cyberPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes cyberGlow {
    0% { box-shadow: var(--shadow-cyber), var(--glow-primary); }
    100% { box-shadow: var(--shadow-cyber), var(--glow-heavy); }
}

.hero-shape {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--gradient-primary);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; transform: translateY(-10px); }
    50% { opacity: 1; transform: translateY(0); }
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--dark-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 102, 0.03) 0%, transparent 50%);
    z-index: 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

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

.about-image {
    position: relative;
}

.image-container {
    position: relative;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.image-bg {
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0.1;
}

.code-snippet {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    padding: 20px;
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-cyber);
    position: relative;
    overflow: hidden;
}

.code-line {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.code-line:nth-child(2) {
    color: var(--primary-color);
}

.code-line:nth-child(3) {
    color: var(--primary-color);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.skill-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-cyber);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.skill-category:hover::before {
    transform: scaleX(1);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-cyber), var(--glow-primary);
}

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: 25px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.skill-name {
    font-weight: 500;
}

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

.skill-bar {
    height: 8px;
    background: var(--dark-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1s ease-in-out;
}

/* Projects Section */
.projects {
    background: var(--dark-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    opacity: 1;
    transform: translateY(0);
    box-shadow: var(--shadow-cyber);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-cyber), var(--glow-medium);
    border-color: var(--primary-color);
}

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

.project-bg {
    width: 100%;
    height: 100%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative; /* ensure overlay can sit above */
    z-index: 1;
}

.project-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0; /* sem raio: recorte fica por conta do container */
    display: block; /* evita gaps/artefatos nas bordas */
}

.project-bg-1 { background: var(--gradient-primary); }
.project-bg-2 { background: var(--gradient-secondary); }
.project-bg-3 { background: var(--gradient-accent); }
.project-bg-4 { background: var(--gradient-primary); }
.project-bg-5 { background: var(--gradient-secondary); }
.project-bg-6 { background: var(--gradient-accent); }

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 2; /* above background */
}

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

.project-links {
    display: flex;
    gap: 20px;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    text-decoration: none;
    transition: var(--transition);
    overflow: hidden; /* garante recorte circular de qualquer filho */
}

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

/* Evita fundo quadrado nos ícones Font Awesome dentro dos links circulares */
.project-link i {
    background: transparent !important;
    border-radius: 50%;
    display: inline-flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    line-height: 1; /* evita caixas extras do ícone */
}

.project-content {
    padding: 30px;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: var(--gradient-primary);
    color: #000000;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: var(--glow-primary);
    border: 1px solid var(--primary-color);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-items {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    box-shadow: var(--glow-primary);
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.contact-value {
    font-weight: 500;
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--dark-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: #000000;
    transform: translateY(-3px);
}

/* Language Switcher */
.lang-switch {
    position: relative;
    margin-left: 16px;
    z-index: 2000; /* above navbar and mobile menu */
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--border-radius);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.lang-btn:hover {
    box-shadow: var(--shadow-cyber), var(--glow-primary);
    transform: translateY(-1px);
}

.lang-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 180px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    backdrop-filter: blur(12px);
    padding: 8px;
    list-style: none;
    display: none;
    box-shadow: var(--shadow-cyber);
    z-index: 2001; /* ensure on top even without JS inline styles */
}

.lang-menu.open { display: block; }

.lang-menu li {
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.lang-menu li:hover {
    color: #000;
    background: var(--gradient-primary);
}

/* Contact Visual (new) */
.contact-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-wrap {
    position: relative;
    width: clamp(220px, 28vw, 360px);
    aspect-ratio: 1 / 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--gradient-secondary);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-cyber), var(--glow-primary);
}

.contact-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: contrast(1.02) saturate(1.02);
}

.photo-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 60px rgba(0,0,0,0.35);
}

.photo-glow {
    position: absolute;
    inset: -8px;
    border-radius: inherit;
    box-shadow: 0 0 40px rgba(0,255,102,0.25), 0 0 80px rgba(0,255,102,0.15);
    animation: glowPulse 3s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    0% { box-shadow: 0 0 30px rgba(0,255,102,0.18), 0 0 60px rgba(0,255,102,0.10); }
    100% { box-shadow: 0 0 55px rgba(0,255,102,0.32), 0 0 110px rgba(0,255,102,0.22); }
}

.contact-ctas {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Contact Form */
.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-cyber);
    position: relative;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--dark-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 0;
    color: var(--text-secondary);
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--dark-tertiary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    text-align: center;
}

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

.heart {
    color: var(--primary-color);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}


/* Responsive Design */
@media (max-width: 768px) {
    /* Navbar logo size: tablet/mobile */
    .logo-img { height: 34px; }
    /* Hide legacy drawer menu; use .mobile-menu instead */
    .nav-menu { display: none !important; }

    /* Enable mobile menu on small screens */
    .mobile-menu { display: block; }

    .hamburger {
        display: flex;
    }

    /* Center language switch in mobile navbar */
    .nav-container {
        position: relative;
    }
    .lang-switch {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        margin-left: 0; /* neutralize desktop spacing */
        z-index: 1100;
    }
    /* Center the dropdown relative to the centered trigger */
    .lang-switch .lang-menu {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
    /* Keep hamburger pinned to the right */
    .hamburger {
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }

    /* Language button smaller on mobile */
    .lang-btn {
        padding: 6px 8px;
        font-size: 0.85rem;
        gap: 8px;
    }
    .lang-btn i { font-size: 0.8rem; }
    .lang-current { font-size: 0.85rem; }

    /* Dropdown items slightly tighter */
    .lang-menu li { padding: 6px 8px; }

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

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

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

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 0 20px;
    }

    .hero-text {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-visual {
        height: 300px;
        margin: 40px 0;
    }

    .floating-card {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    /* Navbar logo size: small phones */
    .logo-img { height: 40px; }
    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .skill-category,
    .contact-form {
        padding: 25px;
    }

    .floating-card {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .hero-visual {
        height: 250px;
        margin: 30px 0;
    }
}

/* Smooth scrolling for all browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Selection styles */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}