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

:root {
    /* Color Palette - Preto, Azul, Verde, Amarelo */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #0f0f0f;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: #141414;

    --color-blue-primary: #00d4ff;
    --color-blue-secondary: #0099cc;
    --color-blue-dark: #006699;

    --color-green-primary: #00ff88;
    --color-green-secondary: #00cc6a;
    --color-green-dark: #009954;

    --color-yellow-primary: #ffd600;
    --color-yellow-secondary: #ffb700;
    --color-yellow-dark: #ff9500;

    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-tertiary: #808080;

    --color-border: #2a2a2a;
    --color-shadow: rgba(0, 212, 255, 0.1);

    /* Typography - Fluid Typography with clamp() */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-code: 'Fira Code', 'Courier New', monospace;

    --font-size-base: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
    --font-size-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
    --font-size-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --font-size-2xl: clamp(1.75rem, 1.5rem + 1.25vw, 2.5rem);
    --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 4rem);

    /* Spacing - Fluid Spacing */
    --spacing-xs: clamp(0.375rem, 0.3rem + 0.4vw, 0.5rem);
    --spacing-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1rem);
    --spacing-md: clamp(1.25rem, 1rem + 1.25vw, 2rem);
    --spacing-lg: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    --spacing-xl: clamp(4rem, 3rem + 5vw, 6rem);

    /* Container widths for different breakpoints */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-glow-green: 0 0 20px rgba(0, 255, 136, 0.3);
    --shadow-glow-yellow: 0 0 20px rgba(255, 214, 0, 0.3);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    font-family: var(--font-code);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.brand-bracket {
    color: var(--color-blue-primary);
    font-size: 1.5rem;
}

.brand-name {
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-blue-primary), var(--color-green-primary));
    transition: var(--transition-normal);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-blue-primary);
    transition: var(--transition-normal);
}

/* Language Toggle Button */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.875rem;
    cursor: pointer;
    transition: var(--transition-normal);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    min-height: 40px;
}

.lang-toggle:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-blue-primary);
    transform: translateY(-2px);
}

.lang-flag {
    font-size: 1.25rem;
    line-height: 1;
}

.lang-text {
    color: var(--color-blue-primary);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    opacity: 0.03;
    background:
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px),
        linear-gradient(180deg, var(--color-border) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero .container {
    position: relative;
    z-index: 1;
}

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

.hero-greeting {
    margin-bottom: var(--spacing-md);
}

.greeting-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.1));
    border: 1px solid var(--color-blue-primary);
    border-radius: var(--radius-md);
    color: var(--color-blue-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-symbol {
    color: var(--color-blue-primary);
}

/* Profile Photo */
.profile-photo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.photo-container {
    position: relative;
    width: 180px;
    height: 180px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-bg-card);
    box-shadow: 0 0 0 2px var(--color-blue-primary);
    transition: var(--transition-normal);
}

.photo-ring {
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary), var(--color-yellow-primary)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: rotate 8s linear infinite;
    pointer-events: none;
}

.security-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    font-size: 1.25rem;
    border: 3px solid var(--color-bg-card);
    box-shadow: var(--shadow-glow-blue);
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-glow-blue);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    }
}

.photo-container:hover .profile-img {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px var(--color-green-primary);
}

.photo-container:hover .photo-ring {
    animation-duration: 3s;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary), var(--color-yellow-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.code-indent {
    color: var(--color-green-primary);
    margin-right: var(--spacing-xs);
}

.typing-text {
    color: var(--color-blue-primary);
    font-weight: 600;
    border-right: 2px solid var(--color-blue-primary);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 50% { border-color: var(--color-blue-primary); }
    51%, 100% { border-color: transparent; }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.btn span,
.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    color: var(--color-bg-primary);
}

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

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

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

.hero-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    text-decoration: none;
    transition: var(--transition-normal);
}

.social-link:hover {
    border-color: var(--color-blue-primary);
    color: var(--color-blue-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
}

/* Terminal Window */
.terminal-window {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.terminal-header {
    background: var(--color-bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #ff5f56; }
.btn-minimize { background: #ffbd2e; }
.btn-maximize { background: #27c93f; }

.terminal-title {
    font-family: var(--font-code);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-left: auto;
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-code);
    font-size: 0.875rem;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: var(--spacing-sm);
}

.prompt {
    color: var(--color-green-primary);
    margin-right: var(--spacing-xs);
}

.command {
    color: var(--color-blue-primary);
}

.terminal-output {
    color: var(--color-text-secondary);
    margin-left: 1.5rem;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--color-green-primary);
    animation: blink 1s infinite;
    margin-left: 2px;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-blue-primary);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--color-blue-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ==========================================
   SECTION STYLES
   ========================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-tag {
    font-family: var(--font-code);
    color: var(--color-blue-primary);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
    line-height: 1.8;
    text-align: justify;
}

.about-description strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.value-props {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-green-primary);
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-primary);
    font-size: 1rem;
}

.value-item i {
    color: var(--color-green-primary);
    font-size: 1.125rem;
}

.about-highlights {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.highlight-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-blue-primary);
    transition: var(--transition-normal);
}

.highlight-item:nth-child(2) {
    border-left-color: var(--color-green-primary);
}

.highlight-item:nth-child(3) {
    border-left-color: var(--color-yellow-primary);
}

.highlight-item:hover {
    transform: translateX(8px);
    background: var(--color-bg-card);
}

.highlight-item i {
    font-size: 1.5rem;
    color: var(--color-blue-primary);
    margin-top: 0.25rem;
}

.highlight-item:nth-child(2) i {
    color: var(--color-green-primary);
}

.highlight-item:nth-child(3) i {
    color: var(--color-yellow-primary);
}

.highlight-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.highlight-item p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    text-align: justify;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--color-blue-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow-blue);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    font-size: 1.5rem;
    color: var(--color-bg-primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
    display: inline-block;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-blue-primary);
    margin-left: 0.25rem;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

/* ==========================================
   EXPERTISE SECTION
   ========================================== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.expertise-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-blue-primary), var(--color-green-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-card:hover {
    border-color: var(--color-blue-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow-blue);
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1.75rem;
    color: var(--color-blue-primary);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.expertise-card:hover .card-icon {
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    color: var(--color-bg-primary);
    border-color: transparent;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.card-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    text-align: justify;
}

.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.375rem 0.75rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    font-family: var(--font-code);
    transition: var(--transition-fast);
}

.tech-tag:hover {
    border-color: var(--color-blue-primary);
    color: var(--color-blue-primary);
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 4rem;
    color: var(--color-blue-primary);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    border-color: var(--color-blue-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow-blue);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.testimonial-author {
    flex: 1;
}

.testimonial-author h4 {
    color: var(--color-text-primary);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
}

.testimonial-rating i {
    color: var(--color-yellow-primary);
    font-size: 0.875rem;
}

.testimonial-text {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    font-style: italic;
    text-align: justify;
}

.testimonial-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-blue-primary);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

/* ==========================================
   PROCESS SECTION
   ========================================== */
.process {
    background: var(--color-bg-secondary);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-blue-primary), var(--color-green-primary));
}

.process-step {
    position: relative;
    padding-left: 120px;
    padding-bottom: var(--spacing-lg);
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    color: var(--color-bg-primary);
    font-size: 2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow-blue);
    z-index: 2;
    font-family: var(--font-code);
}

.step-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    position: relative;
}

.step-content::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 30px;
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-right: 12px solid var(--color-border);
}

.step-content::after {
    content: '';
    position: absolute;
    left: -10px;
    top: 30px;
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-right: 12px solid var(--color-bg-card);
}

.process-step:hover .step-content {
    border-color: var(--color-blue-primary);
    transform: translateX(8px);
    box-shadow: var(--shadow-glow-blue);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

.step-deliverables {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.step-deliverables li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.step-deliverables i {
    color: var(--color-green-primary);
    font-size: 0.875rem;
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects {
    background: var(--color-bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-text-tertiary);
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.project-placeholder.medsys { color: #ff6b6b; }
.project-placeholder.easycompliance { color: var(--color-green-primary); }
.project-placeholder.evolutionerp { color: var(--color-blue-primary); }
.project-placeholder.attackdetection { color: #ff5f56; }
.project-placeholder.gbcidadenova { color: var(--color-yellow-primary); }
.project-placeholder.i9script { color: var(--color-green-primary); }

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-blue-primary);
    color: var(--color-bg-primary);
    border-radius: 50%;
    font-size: 1.5rem;
    text-decoration: none;
    transform: scale(0.8);
    transition: var(--transition-normal);
}

.project-card:hover .project-link {
    transform: scale(1);
}

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

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.project-meta {
    display: flex;
    gap: var(--spacing-xs);
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.project-stars {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.project-stars i {
    color: var(--color-yellow-primary);
}

.project-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    text-align: justify;
}

.project-metrics-small {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-green-primary);
}

.project-metrics-small span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

.project-metrics-small i {
    color: var(--color-green-primary);
    font-size: 0.875rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.projects-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ==========================================
   TECHNOLOGIES SECTION
   ========================================== */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.tech-category {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.tech-category:hover {
    border-color: var(--color-blue-primary);
    transform: translateY(-4px);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.category-title i {
    color: var(--color-blue-primary);
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.tech-item:hover {
    border-color: var(--color-blue-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
}

.tech-item i {
    font-size: 2rem;
    color: var(--color-blue-primary);
}

.tech-item span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    background: var(--color-bg-secondary);
}

.contact-guarantees {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.guarantee-item {
    text-align: center;
    padding: var(--spacing-sm);
}

.guarantee-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--color-bg-primary);
}

.guarantee-item h4 {
    color: var(--color-text-primary);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.guarantee-item p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
}

.contact-text {
    margin-bottom: var(--spacing-lg);
}

.contact-text h3 {
    color: var(--color-text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.contact-text p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1.0625rem;
    text-align: justify;
}

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

.contact-method {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-normal);
}

.contact-method:hover {
    border-color: var(--color-blue-primary);
    transform: translateX(8px);
    box-shadow: var(--shadow-glow-blue);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    color: var(--color-bg-primary);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.method-content h4 {
    color: var(--color-text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.method-content p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

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

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

.form-group label {
    display: block;
    color: var(--color-text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .brand {
    font-family: var(--font-code);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.footer-column h4 {
    color: var(--color-text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-blue-primary);
    padding-left: 0.5rem;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.footer-code {
    margin-top: 0.5rem;
}

.footer-code i {
    color: var(--color-blue-primary);
    margin: 0 0.25rem;
}

.developer-name {
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary), var(--color-yellow-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1rem;
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    color: var(--color-bg-primary);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
}

/* ==========================================
   ANIMATIONS
   ========================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* ==========================================
   RESPONSIVE DESIGN - Professional Breakpoints
   ========================================== */

/* ==========================================
   Extra Large Devices (1440px+) - Large Desktops
   ========================================== */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .hero-title {
        font-size: 4.5rem;
    }

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

/* ==========================================
   Large Devices (1280px - 1439px) - Desktops
   ========================================== */
@media (max-width: 1279px) {
    .container {
        max-width: 1140px;
    }
}

/* ==========================================
   Medium-Large Devices (1024px - 1279px) - Small Desktops / Large Tablets
   ========================================== */
@media (max-width: 1024px) {
    .container {
        max-width: 960px;
        padding: 0 clamp(1rem, 3vw, 2rem);
    }

    /* Hero Section */
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-xl);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-visual {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: clamp(2.75rem, 5vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: clamp(1.125rem, 2vw, 1.35rem);
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-stats {
        grid-template-columns: repeat(4, 1fr);
        max-width: none;
    }

    /* Expertise Grid */
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Projects Grid */
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* ==========================================
   Medium Devices (768px - 1023px) - Tablets
   ========================================== */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }

    .container {
        max-width: 720px;
        padding: 0 clamp(1rem, 4vw, 1.5rem);
    }

    /* Navigation */
    .navbar .container {
        padding: 0.75rem clamp(1rem, 4vw, 1.5rem);
    }

    .nav-brand {
        font-size: clamp(1rem, 2.5vw, 1.125rem);
        z-index: 1001;
    }

    .brand-bracket {
        font-size: clamp(1.25rem, 3vw, 1.35rem);
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        padding: var(--spacing-xl) var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.25rem;
        padding: 0.75rem 0;
    }

    .lang-toggle {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
        min-height: 36px;
        margin-right: 0.5rem;
    }

    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

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

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

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

    /* Hero Section */
    .hero {
        padding: calc(var(--spacing-lg) + 80px) 0 var(--spacing-lg);
    }

    /* Profile Photo Responsive */
    .photo-container {
        width: 150px;
        height: 150px;
    }

    .security-badge {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        bottom: 4px;
        right: 4px;
    }

    .hero-title {
        font-size: clamp(2.25rem, 6vw, 2.75rem);
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 3vw, 1.125rem);
    }

    .hero-description {
        font-size: clamp(0.875rem, 2vw, 0.9375rem);
    }

    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
        min-height: 48px;
    }

    .hero-social {
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-link {
        min-width: 48px;
        min-height: 48px;
    }

    /* Terminal */
    .terminal-window {
        max-width: 100%;
    }

    .terminal-body {
        padding: 1rem;
        font-size: clamp(0.75rem, 1.8vw, 0.8125rem);
    }

    /* Sections */
    section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: clamp(1.75rem, 5vw, 2.25rem);
    }

    .section-subtitle {
        font-size: clamp(0.9375rem, 2.5vw, 1rem);
    }

    /* About Stats */
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(0.75rem, 2vw, 1rem);
    }

    .stat-card {
        padding: clamp(1rem, 3vw, 1.5rem);
    }

    .stat-number {
        font-size: clamp(2rem, 5vw, 2.25rem);
    }

    /* Expertise */
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .expertise-card {
        padding: clamp(1rem, 3vw, 1.5rem);
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .project-card {
        max-width: 100%;
    }

    /* Technologies */
    .tech-categories {
        grid-template-columns: 1fr;
    }

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

    /* Contact Form */
    .contact-method {
        padding: clamp(0.75rem, 2vw, 1rem);
    }

    .form-group input,
    .form-group textarea {
        padding: 0.75rem;
        font-size: 1rem;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    /* Back to Top */
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 48px;
        height: 48px;
    }
}

/* ==========================================
   Small Devices (640px - 767px) - Large Phones
   ========================================== */
@media (max-width: 640px) {
    .container {
        padding: 0 1.25rem;
    }

    /* Hero */
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .hero-greeting,
    .hero-description {
        font-size: clamp(0.8125rem, 2.5vw, 0.875rem);
    }

    /* Cards */
    .expertise-card,
    .project-card,
    .stat-card {
        padding: 1.25rem;
    }

    .card-icon,
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    /* Projects */
    .project-image {
        height: 180px;
    }

    .project-placeholder {
        font-size: 3rem;
    }

    /* About Stats - Keep 2 columns */
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
}

/* ==========================================
   Extra Small Devices (480px - 639px) - Standard Phones
   ========================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    /* Hero */
    .hero {
        padding: calc(var(--spacing-md) + 70px) 0 var(--spacing-md);
    }

    /* Profile Photo - Smaller on mobile */
    .photo-container {
        width: 120px;
        height: 120px;
    }

    .security-badge {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .hero-title {
        font-size: clamp(1.75rem, 9vw, 2.25rem);
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: clamp(0.9375rem, 4vw, 1.0625rem);
        margin-bottom: 1rem;
    }

    .hero-greeting {
        font-size: 0.8125rem;
        margin-bottom: 0.75rem;
    }

    .hero-description {
        font-size: 0.8125rem;
        line-height: 1.7;
        margin-bottom: 1.5rem;
    }

    /* CTA Buttons - Better stacking */
    .hero-cta {
        flex-direction: column;
        gap: 0.875rem;
        width: 100%;
    }

    .btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    /* Terminal */
    .terminal-body {
        padding: 0.875rem;
        font-size: 0.6875rem;
        line-height: 1.6;
    }

    .terminal-output {
        margin-left: 0.5rem;
    }

    /* Sections */
    section {
        padding: var(--spacing-lg) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    .section-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
        margin-bottom: 0.75rem;
    }

    .section-subtitle {
        font-size: 0.9375rem;
        line-height: 1.6;
    }

    .section-tag {
        font-size: 0.8125rem;
        margin-bottom: 0.5rem;
    }

    /* About Section */
    .about-description {
        font-size: 0.9375rem;
        line-height: 1.7;
        margin-bottom: 1.25rem;
    }

    /* About Stats - Switch to single column */
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1.25rem;
        text-align: center;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.875rem;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }

    /* Highlight Items */
    .highlight-item {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }

    .highlight-item i {
        margin-top: 0;
        margin-bottom: 0.5rem;
        font-size: 1.75rem;
    }

    .highlight-item h3 {
        font-size: 1.0625rem;
        margin-bottom: 0.375rem;
    }

    .highlight-item p {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .highlight-item:hover {
        transform: translateY(-4px);
    }

    /* Cards */
    .expertise-card,
    .project-card,
    .tech-category {
        padding: 1.125rem;
    }

    .expertise-card {
        min-height: auto;
    }

    .card-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
        margin-bottom: 0.875rem;
    }

    .card-title {
        font-size: 1.125rem;
        margin-bottom: 0.625rem;
    }

    .card-description {
        font-size: 0.875rem;
        line-height: 1.65;
        margin-bottom: 0.875rem;
    }

    .card-tags {
        gap: 0.375rem;
    }

    .card-tag {
        font-size: 0.75rem;
        padding: 0.3125rem 0.625rem;
    }

    /* Projects */
    .project-image {
        height: 160px;
    }

    .project-placeholder {
        font-size: 2.5rem;
    }

    .project-title {
        font-size: 1.125rem;
    }

    .project-description {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .project-tech {
        gap: 0.5rem;
    }

    .tech-tag {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
        white-space: nowrap;
    }

    /* Technologies */
    .tech-items {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .tech-item {
        padding: 1rem;
        min-height: 52px;
    }

    .tech-item i {
        font-size: 1.75rem;
    }

    .tech-item h4 {
        font-size: 0.9375rem;
    }

    /* Contact */
    .contact-method {
        flex-direction: column;
        text-align: center;
        align-items: center;
        padding: 1.25rem;
        min-height: 56px;
    }

    .method-icon {
        margin-bottom: 0.75rem;
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
    }

    .contact-method h4 {
        font-size: 1rem;
        margin-bottom: 0.375rem;
    }

    .contact-method p {
        font-size: 0.9375rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 1rem;
        font-size: 1rem;
        min-height: 48px;
        border-width: 1.5px;
    }

    .form-group textarea {
        min-height: 140px;
    }

    .btn-submit {
        min-height: 52px;
        font-size: 1rem;
    }

    /* Footer */
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .footer-column a:hover {
        padding-left: 0;
    }

    .footer-code {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .developer-name {
        font-size: 0.9375rem;
        display: inline-block;
    }

    /* Back to Top */
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }

    /* Scroll Indicator */
    .scroll-indicator {
        display: none;
    }
}

/* ==========================================
   Very Small Devices (375px - 479px) - Small Phones
   ========================================== */
@media (max-width: 375px) {
    .container {
        padding: 0 0.875rem;
    }

    /* Profile Photo - Even smaller */
    .photo-container {
        width: 100px;
        height: 100px;
    }

    .security-badge {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .section-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        min-height: 46px;
    }

    .nav-brand {
        font-size: 1rem;
    }

    .terminal-body {
        padding: 0.75rem;
        font-size: 0.625rem;
        line-height: 1.7;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .project-image {
        height: 140px;
    }

    .project-title {
        font-size: 1.0625rem;
    }

    .project-description {
        font-size: 0.8125rem;
        line-height: 1.65;
    }

    .tech-tag {
        padding: 0.3125rem 0.625rem;
        font-size: 0.6875rem;
    }

    /* Contact Methods */
    .method-icon {
        width: 48px;
        height: 48px;
        font-size: 1.375rem;
    }

    .contact-method h4 {
        font-size: 0.9375rem;
    }

    .contact-method p {
        font-size: 0.875rem;
    }

    /* Footer */
    .footer-code {
        font-size: 0.8125rem;
    }

    .developer-name {
        font-size: 0.875rem;
    }
}

/* ==========================================
   Tiny Devices (320px - 374px) - Very Small Phones
   ========================================== */
@media (max-width: 320px) {
    .container {
        padding: 0 0.75rem;
    }

    /* Profile Photo - Minimal size */
    .photo-container {
        width: 90px;
        height: 90px;
    }

    .security-badge {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 0.875rem;
        line-height: 1.5;
    }

    .hero-greeting,
    .hero-description {
        font-size: 0.75rem;
        line-height: 1.7;
    }

    .section-title {
        font-size: 1.375rem;
        line-height: 1.3;
    }

    .section-subtitle {
        font-size: 0.8125rem;
    }

    .btn {
        padding: 0.625rem 0.875rem;
        font-size: 0.8125rem;
        min-height: 44px;
    }

    .expertise-card,
    .project-card,
    .stat-card,
    .tech-category {
        padding: 1rem;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-description {
        font-size: 0.8125rem;
        line-height: 1.65;
    }

    .terminal-window {
        font-size: 0.5625rem;
    }

    .terminal-body {
        line-height: 1.8;
    }

    .project-image {
        height: 120px;
    }

    .project-title {
        font-size: 1rem;
    }

    .project-description {
        font-size: 0.75rem;
        line-height: 1.7;
    }

    .tech-tag {
        padding: 0.25rem 0.5rem;
        font-size: 0.625rem;
    }

    /* Contact */
    .method-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.875rem;
        font-size: 0.9375rem;
    }

    /* Social Links */
    .social-link {
        min-width: 44px;
        min-height: 44px;
        font-size: 1.125rem;
    }

    /* Footer */
    .footer-code {
        font-size: 0.75rem;
    }

    .developer-name {
        font-size: 0.8125rem;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ==========================================
   Landscape Orientation - Phones & Tablets
   ========================================== */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-md) + 70px) 0 var(--spacing-md);
    }

    .hero-content {
        gap: var(--spacing-md);
    }

    section {
        padding: var(--spacing-md) 0;
    }

    .scroll-indicator {
        display: none;
    }

    .nav-links.active {
        padding: var(--spacing-md);
        justify-content: flex-start;
        overflow-y: auto;
    }
}

/* ==========================================
   High Resolution / Retina Displays
   ========================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-background {
        opacity: 0.05;
    }

    .shadow-glow-blue,
    .shadow-glow-green,
    .shadow-glow-yellow {
        filter: blur(20px);
    }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .back-to-top,
    .scroll-indicator,
    .hero-social,
    .contact-form {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .hero,
    section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }
}

/* ==========================================
   Accessibility - Reduced Motion
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero-background {
        animation: none;
    }

    .typing-text {
        animation: none;
        border-right: none;
    }

    .terminal-cursor {
        animation: none;
    }
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-green-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow {
    box-shadow: var(--shadow-glow-blue);
}

.hidden {
    display: none !important;
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Increase touch targets */
    .btn,
    .social-link,
    .nav-link,
    .contact-method,
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
    }

    /* Remove hover effects on touch devices */
    .btn:hover,
    .social-link:hover,
    .expertise-card:hover,
    .project-card:hover {
        transform: none;
    }

    /* Add active states for touch feedback */
    .btn:active {
        transform: scale(0.98);
    }

    .social-link:active,
    .nav-link:active {
        opacity: 0.7;
    }
}