/* ============================================
   LBVX - Company Introduction Page
   ============================================ */

:root {
    --color-bg-primary: #0a0a1a;
    --color-bg-secondary: #0f0f2d;
    --color-bg-card: rgba(20, 20, 50, 0.6);
    --color-bg-card-hover: rgba(30, 30, 70, 0.8);
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-secondary: #8b5cf6;
    --color-accent: #22d3ee;
    --color-accent-green: #10b981;
    --color-accent-orange: #f59e0b;
    --color-accent-pink: #ec4899;
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-hero: linear-gradient(180deg, #0a0a1a 0%, #1a1a3a 50%, #0a0a1a 100%);
    --gradient-card: linear-gradient(145deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.lang-toggle {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lang-toggle:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-md);
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('images/hero-bg.png') center center / cover no-repeat;
    z-index: -2;
    transform: scale(1.05);
    transform-origin: center;
    will-change: transform;
    animation: heroBgDrift 26s ease-in-out infinite alternate;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 26, 0.7) 0%, rgba(10, 10, 26, 0.5) 50%, rgba(10, 10, 26, 0.9) 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.4), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.3), transparent);
    z-index: 1;
    animation: heroGlowDrift 20s ease-in-out infinite alternate;
}

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

.logo {
    width: clamp(10rem, 25vw, 19rem);
    margin: 0 auto;
}

.brand-logo,
.footer-brand-logo {
    display: block;
    width: 100%;
    height: auto;
}

.brand-logo {
    filter: drop-shadow(0 0.4rem 0.9rem rgba(3, 7, 18, 0.4));
}

.hero-title {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-text-primary);
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.badge:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.platform-filter {
    appearance: none;
    font-family: inherit;
    cursor: pointer;
}

.platform-filter:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.platform-filter.active {
    border-color: rgba(99, 102, 241, 0.9);
    background: rgba(99, 102, 241, 0.18);
    box-shadow: var(--shadow-glow);
}

.badge-icon {
    width: 18px;
    height: 18px;
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes heroBgDrift {
    0% {
        transform: scale(1.05) translate3d(0, 0, 0);
    }

    50% {
        transform: scale(1.08) translate3d(-1.2%, 0.8%, 0);
    }

    100% {
        transform: scale(1.06) translate3d(1%, -0.9%, 0);
    }
}

@keyframes heroGlowDrift {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    100% {
        transform: translate3d(1.4%, -1%, 0) scale(1.03);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-in-delay-1 {
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.animate-fade-in-delay-2 {
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.animate-fade-in-delay-3 {
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.services {
    background: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.mobile-icon {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(34, 211, 238, 0.05));
    color: var(--color-accent);
}

.web-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
    color: var(--color-secondary);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.portfolio {
    background: var(--color-bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.portfolio-card {
    position: relative;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.portfolio-card.is-hidden {
    display: none;
}

.card-screenshot {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
}

.card-screenshot-placeholder {
    display: flex;
    align-items: flex-end;
}

.card-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .card-screenshot img {
    transform: scale(1.1);
}

.card-screenshot::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(10, 10, 26, 0.9), transparent);
    pointer-events: none;
}

.card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

.portfolio-card.featured {
    border-color: rgba(99, 102, 241, 0.3);
}

.portfolio-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.portfolio-card.in-dev {
    border-style: dashed;
    border-color: rgba(255, 255, 255, 0.15);
}

.dev-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 4px 10px;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.4);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.app-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.75rem;
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

.voice-match-icon {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(236, 72, 153, 0.05));
}

.wheelcha-icon {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.22), rgba(245, 158, 11, 0.08));
}

.dabo-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
}

.ai-selector-icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.05));
}

.kakao-icon {
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.2), rgba(250, 204, 21, 0.05));
}

.pickbot-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
}

.k-bite-icon {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.24), rgba(245, 158, 11, 0.08));
}

.k-bite-screenshot {
    background:
        radial-gradient(circle at top right, rgba(250, 204, 21, 0.22), transparent 35%),
        linear-gradient(135deg, rgba(154, 52, 18, 0.9), rgba(30, 41, 59, 0.95));
}

.wheelcha-card-screenshot {
    background: rgb(3, 7, 18);
}

.wheelcha-card-screenshot img {
    box-sizing: border-box;
    object-fit: contain;
    padding: 10px;
}

.scrinova-icon {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.24), rgba(99, 102, 241, 0.08));
}

.scrinova-screenshot {
    background:
        radial-gradient(circle at top right, rgba(6, 182, 212, 0.22), transparent 35%),
        linear-gradient(135deg, rgba(15, 118, 110, 0.85), rgba(30, 41, 59, 0.95));
}

.app-preview-copy {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--spacing-lg);
}

.app-preview-copy strong {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.app-preview-copy span {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.78);
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
}

.platform-badge.android {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-accent-green);
}

.platform-badge.ios {
    background: rgba(99, 102, 241, 0.15);
    color: var(--color-primary-light);
}

.platform-badge.web {
    background: rgba(34, 211, 238, 0.15);
    color: var(--color-accent);
}

.platform-badges {
    display: flex;
    gap: 6px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.card-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.card-highlight {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--color-accent-orange);
    margin-bottom: var(--spacing-md);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.card-link:hover {
    color: var(--color-accent);
    gap: 10px;
}

.play-store-link::before,
.app-store-link::before {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    background: currentColor;
}

.play-store-link::before,
.app-store-link::before {
    content: '';
    display: inline-block;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.play-store-link::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.61 20.39c-.24-.25-.37-.61-.37-1.07V4.68c0-.46.13-.82.37-1.07L12.25 12 3.61 20.39Zm11.36-5.69L5.76 22.02c.34.08.72.02 1.11-.2l10.75-6.15-2.65-.97Zm3.85-1.8c.73-.42.73-1.38 0-1.8l-2.54-1.45L13.55 12l2.73 2.35 2.54-1.45ZM5.76 1.98l9.21 7.32 2.65-.97L6.87 2.18c-.39-.22-.77-.28-1.11-.2Z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.61 20.39c-.24-.25-.37-.61-.37-1.07V4.68c0-.46.13-.82.37-1.07L12.25 12 3.61 20.39Zm11.36-5.69L5.76 22.02c.34.08.72.02 1.11-.2l10.75-6.15-2.65-.97Zm3.85-1.8c.73-.42.73-1.38 0-1.8l-2.54-1.45L13.55 12l2.73 2.35 2.54-1.45ZM5.76 1.98l9.21 7.32 2.65-.97L6.87 2.18c-.39-.22-.77-.28-1.11-.2Z'/%3E%3C/svg%3E");
}

.app-store-link::before {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M18.71 19.5c-.83 1.24-1.71 2.45-3.05 2.47-1.34.03-1.77-.79-3.29-.79-1.53 0-2 .77-3.27.82-1.31.05-2.3-1.32-3.14-2.53C4.25 17 2.94 12.45 4.7 9.39c.87-1.52 2.43-2.48 4.12-2.51 1.28-.02 2.5.87 3.29.87.78 0 2.26-1.07 3.81-.91.65.03 2.47.26 3.64 1.98-.09.06-2.17 1.28-2.15 3.81.03 3.02 2.65 4.03 2.68 4.04-.03.07-.42 1.44-1.38 2.83ZM13 3.5c.73-.83 1.94-1.46 2.94-1.5.13 1.17-.34 2.35-1.04 3.19-.69.85-1.83 1.51-2.95 1.42-.15-1.15.41-2.35 1.05-3.11Z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M18.71 19.5c-.83 1.24-1.71 2.45-3.05 2.47-1.34.03-1.77-.79-3.29-.79-1.53 0-2 .77-3.27.82-1.31.05-2.3-1.32-3.14-2.53C4.25 17 2.94 12.45 4.7 9.39c.87-1.52 2.43-2.48 4.12-2.51 1.28-.02 2.5.87 3.29.87.78 0 2.26-1.07 3.81-.91.65.03 2.47.26 3.64 1.98-.09.06-2.17 1.28-2.15 3.81.03 3.02 2.65 4.03 2.68 4.04-.03.07-.42 1.44-1.38 2.83ZM13 3.5c.73-.83 1.94-1.46 2.94-1.5.13 1.17-.34 2.35-1.04 3.19-.69.85-1.83 1.51-2.95 1.42-.15-1.15.41-2.35 1.05-3.11Z'/%3E%3C/svg%3E");
}

.card-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.coming-soon {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.feature {
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.contact {
    background: var(--color-bg-secondary);
}

.portfolio-empty-state {
    margin-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    min-width: 280px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
}

.contact-link.appstore .contact-icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 1), rgba(56, 189, 248, 0.9));
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

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

.contact-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

.footer {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer-logo {
    width: 7rem;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .portfolio-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        flex-direction: column;
        align-items: center;
    }

    .contact-link {
        width: 100%;
        max-width: 400px;
    }

    .lang-toggle {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-bg,
    .hero-bg::before {
        animation: none;
        transform: none;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }

    .hero-badges {
        gap: var(--spacing-xs);
    }

    .badge {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .portfolio-card {
        padding: var(--spacing-md);
    }

    .platform-badges {
        flex-direction: column;
        gap: 4px;
    }
}