/* ==========================================================================
   ClusterSpace Landing Page - SpeedIT Solutions
   Lokale Fonts, keine externen Abhängigkeiten
   ========================================================================== */

/* CSS Variables - SpeedIT Farbschema (Blau) */
:root {
    --primary: #0066cc;
    --primary-light: #3388dd;
    --primary-dark: #004499;
    --primary-glow: rgba(0, 102, 204, 0.3);
    --accent: #00aaff;
    --accent-glow: rgba(0, 170, 255, 0.2);
    
    --bg-dark: #0a0e14;
    --bg-darker: #060a0f;
    --bg-card: #101620;
    --bg-card-hover: #151d2a;
    
    --text-primary: #ffffff;
    --text-secondary: #a8b4c4;
    --text-muted: #5a6a7a;
    
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);
    
    --success: #28c840;
    --warning: #f5a623;
    
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    
    /* System Font Stack */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ==========================================================================
   Background Effects
   ========================================================================== */

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 102, 204, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

.bg-glow--top {
    top: -300px;
    right: -100px;
    animation: glow-float 20s ease-in-out infinite;
}

.bg-glow--bottom {
    bottom: -300px;
    left: -100px;
    animation: glow-float 25s ease-in-out infinite reverse;
}

@keyframes glow-float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 20px); }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    position: relative;
    padding: 100px 0;
    z-index: 1;
}

.section--alt {
    background: var(--bg-card);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 14, 20, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
}

.nav__logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav__link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

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

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

.btn--ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.btn--large {
    padding: 18px 36px;
    font-size: 1.05rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero__content {
    animation: fade-in-up 0.8s ease-out;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(0, 102, 204, 0.1);
    border: 1px solid rgba(0, 102, 204, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 28px;
}

.hero__badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.hero__description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 48px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat__value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
}

.stat__label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Hero Visual */
.hero__visual {
    position: relative;
    animation: fade-in-up 0.8s ease-out 0.2s both;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Storage Visual */
.storage-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.storage-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.storage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.storage-header__title {
    font-size: 1.1rem;
    font-weight: 600;
}

.storage-header__status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--success);
}

.storage-header__status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.storage-nodes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.storage-node {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.storage-node:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.storage-node__icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.storage-node__name {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.storage-node__status {
    font-size: 0.75rem;
    color: var(--success);
}

.storage-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.storage-stat {
    background: var(--bg-darker);
    border-radius: 10px;
    padding: 16px;
}

.storage-stat__label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.storage-stat__value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.floating-card--1 {
    top: -10px;
    right: -30px;
    animation: float-card 6s ease-in-out infinite;
}

.floating-card--2 {
    bottom: 50px;
    left: -50px;
    animation: float-card 6s ease-in-out infinite 2s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.floating-card__icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 102, 204, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.floating-card__value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}

.floating-card__label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Section Header
   ========================================================================== */

.section__header {
    text-align: center;
    margin-bottom: 64px;
}

.section__label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 18px;
}

.section__description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Features Grid
   ========================================================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 204, 0.4);
    box-shadow: 0 20px 50px rgba(0, 102, 204, 0.15);
}

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

.feature-card__icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 24px;
    transition: all 0.4s;
}

.feature-card:hover .feature-card__icon {
    background: var(--gradient-primary);
    transform: scale(1.1);
}

.feature-card__title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card__text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================================================
   Protocols Section
   ========================================================================== */

.protocols-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.protocol-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.protocol-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.protocol-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.protocol-card__name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

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

/* ==========================================================================
   Use Cases Section
   ========================================================================== */

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.usecase-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px;
    display: flex;
    gap: 24px;
    transition: all 0.3s;
}

.usecase-card:hover {
    border-color: var(--primary);
    transform: translateX(8px);
}

.usecase-card__icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.usecase-card__title {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.usecase-card__text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================================================
   Benefits Section
   ========================================================================== */

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.benefits__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 20px;
}

.benefits__title span {
    color: var(--accent);
}

.benefits__text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 36px;
    line-height: 1.8;
}

.benefit-item {
    display: flex;
    gap: 18px;
    padding: 22px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    margin-bottom: 16px;
    transition: all 0.3s;
}

.benefit-item:hover {
    border-color: var(--primary);
    transform: translateX(8px);
}

.benefit-item__check {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    font-weight: bold;
}

.benefit-item__title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* Capacity Visual */
.capacity-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 36px;
}

.capacity-visual__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.capacity-visual__title {
    font-size: 1.15rem;
}

.capacity-visual__badge {
    background: rgba(0, 102, 204, 0.15);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.capacity-bar {
    margin-bottom: 28px;
}

.capacity-bar__labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.capacity-bar__name {
    color: var(--text-secondary);
}

.capacity-bar__value {
    color: var(--accent);
    font-weight: 600;
}

.capacity-bar__track {
    height: 12px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    overflow: hidden;
}

.capacity-bar__fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 6px;
    animation: fill-bar 1.5s ease-out forwards;
    transform-origin: left;
}

@keyframes fill-bar {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.capacity-bar__fill--65 { width: 65%; }
.capacity-bar__fill--99 { width: 99%; }
.capacity-bar__fill--100 { width: 100%; }

.capacity-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.capacity-info__item {
    text-align: center;
}

.capacity-info__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.capacity-info__label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==========================================================================
   Packages Section
   ========================================================================== */

.packages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
}

.package-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s;
    position: relative;
}

.package-card:hover {
    border-color: rgba(0, 102, 204, 0.5);
    transform: translateY(-8px);
}

.package-card__icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.package-card__name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.package-card__desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.package-card__features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.package-card__features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.package-card__features li:last-child {
    border-bottom: none;
}

.package-card__features .check {
    color: var(--accent);
    font-weight: bold;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
    filter: blur(60px);
    opacity: 0.5;
    pointer-events: none;
}

.cta__content {
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    margin-bottom: 20px;
}

.cta__text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 36px;
}

.cta__buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Beta Notice */
.beta-notice {
    background: rgba(0, 102, 204, 0.1);
    border: 1px solid rgba(0, 102, 204, 0.3);
    border-radius: 16px;
    padding: 24px 32px;
    margin-top: 40px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
}

.beta-notice__icon {
    font-size: 1.5rem;
}

.beta-notice__text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.beta-notice__text strong {
    color: var(--accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    position: relative;
    padding: 50px 32px 30px;
    border-top: 1px solid var(--border);
    z-index: 1;
}

.footer__content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
}

.footer__brand {
    display: flex;
    align-items: center;
}

.footer__brand a {
    display: block;
}

.footer__logo-img {
    height: 32px;
    width: auto;
}

.footer__links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer__links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer__links a:hover {
    color: var(--accent);
}

.footer__badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--accent);
}

.footer__copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Animations
   ========================================================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero__visual {
        order: -1;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .protocols-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .usecases-grid {
        grid-template-columns: 1fr;
    }
    
    .packages-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 14px 20px;
    }
    
    .nav__link {
        display: none;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: 28px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .protocols-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .storage-nodes {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
    
    .footer {
        padding: 40px 20px;
    }
    
    .footer__row {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px 24px;
    }
    
    .capacity-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta__buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .protocols-grid {
        grid-template-columns: 1fr;
    }
    
    .usecase-card {
        flex-direction: column;
        text-align: center;
    }
    
    .usecase-card__icon {
        margin: 0 auto;
    }
}