:root {
    /* Primary color scale */
    --primary-900: #0A2540;
    --primary-700: #123B5F;
    --primary-500: #1A6FB5;
    --primary-400: #4A9BD9;
    --primary-100: #E6F1FA;

    /* Neutral color scale */
    --neutral-900: #111827;
    --neutral-700: #374151;
    --neutral-500: #6B7280;
    --neutral-300: #D1D5DB;
    --neutral-100: #F3F4F6;
    --neutral-50: #F9FAFB;
    --white: #FFFFFF;

    /* Semantic colors */
    --success: #059669;
    --warning: #D97706;
    --error: #DC2626;

    /* Spacing scale based on 8px grid */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 48px;
    --space-7: 64px;
    --space-8: 96px;
    --space-9: 128px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    /* Layout */
    --container-max: 1280px;
    --navbar-height: 72px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--neutral-900);
    background-color: var(--neutral-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Utility container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-3);
    }
}

/* Typography */
.display {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary-900);
    letter-spacing: -0.02em;
}

h1, .h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.15;
    color: var(--primary-900);
    letter-spacing: -0.02em;
}

h2, .h2 {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--primary-900);
    letter-spacing: -0.01em;
}

h3, .h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-900);
}

h4, .h4 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--primary-900);
}

.body-large {
    font-size: 18px;
    line-height: 1.6;
    color: var(--neutral-700);
}

.body {
    font-size: 16px;
    line-height: 1.6;
    color: var(--neutral-700);
}

.caption {
    font-size: 14px;
    line-height: 1.5;
    color: var(--neutral-500);
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-500);
    margin-bottom: var(--space-3);
}

@media (max-width: 640px) {
    .display {
        font-size: 36px;
    }

    h1, .h1 {
        font-size: 32px;
    }

    h2, .h2 {
        font-size: 28px;
    }

    h3, .h3 {
        font-size: 20px;
    }

    h4, .h4 {
        font-size: 18px;
    }

    .body-large {
        font-size: 16px;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    transition: all 150ms ease;
    min-width: 120px;
}

.btn-primary {
    background-color: var(--primary-500);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-700);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-500);
    border: 1px solid var(--neutral-300);
}

.btn-secondary:hover {
    background-color: var(--primary-100);
    border-color: var(--primary-400);
}

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-full {
    width: 100%;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--primary-500);
    font-weight: 500;
    font-size: 15px;
}

.link-arrow .arrow {
    transition: transform 150ms ease;
}

.link-arrow:hover .arrow {
    transform: translateX(4px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--neutral-300);
    z-index: 1000;
    transition: box-shadow 150ms ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 20px;
    color: var(--primary-900);
}

.brand-icon {
    width: 36px;
    height: 36px;
    background-color: var(--primary-500);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--white);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--neutral-700);
    position: relative;
    transition: color 150ms ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-500);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-500);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-sm);
    overflow: hidden;
    font-size: 13px;
    font-weight: 500;
}

.lang-option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 32px;
    padding: 0 var(--space-2);
    color: var(--neutral-700);
    text-decoration: none;
    transition: all 150ms ease;
    cursor: pointer;
}

.lang-option:hover {
    background-color: var(--neutral-100);
    color: var(--primary-500);
}

.lang-option.active {
    background-color: var(--primary-500);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--neutral-900);
    transition: all 200ms ease;
}

@media (max-width: 1024px) {
    .navbar-nav,
    .navbar-actions .btn {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .navbar.active .navbar-nav {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background-color: var(--white);
        border-bottom: 1px solid var(--neutral-300);
        padding: var(--space-4);
        gap: var(--space-4);
    }

    .navbar.active .navbar-actions {
        display: flex;
        flex-direction: column;
        width: 100%;
        margin-top: var(--space-4);
    }

    .navbar.active .navbar-actions .btn {
        display: inline-flex;
        width: 100%;
    }

    .nav-link.active::after {
        display: none;
    }
}

/* Hero section */
.hero {
    padding-top: calc(var(--navbar-height) + var(--space-9));
    padding-bottom: var(--space-9);
    background: linear-gradient(180deg, var(--white) 0%, var(--neutral-50) 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-7);
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero .display {
    margin-bottom: var(--space-4);
}

.hero .body-large {
    margin-bottom: var(--space-5);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.hero-trust {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.trust-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neutral-500);
}

.trust-logos {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    opacity: 0.6;
}

.trust-logo {
    font-size: 14px;
    font-weight: 700;
    color: var(--neutral-500);
    letter-spacing: 0.05em;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--neutral-100) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid var(--primary-400);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    transform: rotate(15deg);
}

.hero-image::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    background-color: var(--primary-500);
    border-radius: var(--radius-md);
    opacity: 0.1;
    transform: rotate(-10deg);
}

.hero-image svg {
    width: 160px;
    height: 160px;
    fill: var(--primary-500);
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .hero {
        padding-top: calc(var(--navbar-height) + var(--space-7));
        padding-bottom: var(--space-7);
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero .body-large {
        max-width: 100%;
    }

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

    .hero-trust {
        align-items: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image {
        max-width: 400px;
    }
}

@media (max-width: 640px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }
}

/* Section base */
.section {
    padding: var(--space-9) 0;
}

.section-header {
    max-width: 640px;
    margin-bottom: var(--space-7);
}

.section-header.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-header .h2 {
    margin-bottom: var(--space-3);
}

@media (max-width: 640px) {
    .section {
        padding: var(--space-7) 0;
    }
}

/* Audience cards */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.audience-card {
    background-color: var(--white);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all 200ms ease;
}

.audience-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-400);
    transform: translateY(-2px);
}

.audience-icon {
    width: 56px;
    height: 56px;
    background-color: var(--primary-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.audience-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-500);
    stroke-width: 1.5;
}

.audience-card h3 {
    margin-bottom: var(--space-2);
}

.audience-card p {
    margin-bottom: var(--space-4);
}

@media (max-width: 640px) {
    .audience-grid {
        grid-template-columns: 1fr;
    }
}

/* Capability grid */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.capability-card {
    background-color: var(--white);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all 200ms ease;
}

.capability-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-400);
}

.capability-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.capability-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-500);
    stroke-width: 1.5;
}

.capability-card h3 {
    font-size: 20px;
    margin-bottom: var(--space-2);
}

@media (max-width: 1024px) {
    .capability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .capability-grid {
        grid-template-columns: 1fr;
    }
}

/* Value comparison */
.value-section {
    background-color: var(--white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.value-card {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background-color: var(--neutral-50);
    border: 1px solid var(--neutral-200);
}

.value-card h3 {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--neutral-300);
}

.value-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.value-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--neutral-700);
}

.value-list svg {
    width: 20px;
    height: 20px;
    stroke: var(--success);
    stroke-width: 2;
    flex-shrink: 0;
    margin-top: 2px;
}

@media (max-width: 640px) {
    .value-grid {
        grid-template-columns: 1fr;
    }
}

/* Trust section */
.trust-section {
    background-color: var(--neutral-100);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.testimonial-card blockquote {
    font-size: 16px;
    color: var(--neutral-700);
    margin-bottom: var(--space-4);
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-900);
}

.testimonial-role {
    font-size: 14px;
    color: var(--neutral-500);
}

@media (max-width: 1024px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
}

/* CTA banner */
.cta-banner {
    background-color: var(--primary-900);
    color: var(--white);
    padding: var(--space-8) 0;
    text-align: center;
}

.cta-banner .h2 {
    color: var(--white);
    margin-bottom: var(--space-4);
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 560px;
    margin: 0 auto var(--space-5);
}

.cta-banner .btn-primary {
    background-color: var(--white);
    color: var(--primary-900);
}

.cta-banner .btn-primary:hover {
    background-color: var(--primary-100);
}

.cta-banner .btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-banner .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Footer */
.footer {
    background-color: var(--primary-900);
    color: var(--white);
    padding: var(--space-8) 0 var(--space-5);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-7);
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .brand-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-column h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color 150ms ease;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-icp {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

.footer-icp:hover {
    color: var(--white);
}

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

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
}

/* Page hero (for product/solutions pages) */
.page-hero {
    padding-top: calc(var(--navbar-height) + var(--space-8));
    padding-bottom: var(--space-8);
    background: linear-gradient(180deg, var(--white) 0%, var(--neutral-50) 100%);
    text-align: center;
}

.page-hero .eyebrow {
    margin-bottom: var(--space-3);
}

.page-hero .h1 {
    margin-bottom: var(--space-4);
}

.page-hero .body-large {
    max-width: 640px;
    margin: 0 auto var(--space-5);
}

.page-hero-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

@media (max-width: 640px) {
    .page-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Included items row */
.included-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
}

.included-item {
    text-align: center;
    padding: var(--space-4);
}

.included-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-3);
}

.included-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-500);
    stroke-width: 1.5;
}

.included-item h4 {
    font-size: 16px;
    margin-bottom: var(--space-1);
}

.included-item p {
    font-size: 13px;
    color: var(--neutral-500);
}

@media (max-width: 1024px) {
    .included-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .included-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Capability matrix (product page) */
.capability-matrix {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

@media (max-width: 1024px) {
    .capability-matrix {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .capability-matrix {
        grid-template-columns: 1fr;
    }
}

/* Tech advantage split */
.tech-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-7);
    align-items: center;
}

.tech-visual {
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--neutral-100) 100%);
    border-radius: var(--radius-xl);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-visual svg {
    width: 120px;
    height: 120px;
    fill: var(--primary-500);
    opacity: 0.8;
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.tech-item {
    display: flex;
    gap: var(--space-3);
}

.tech-item-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tech-item-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-500);
    stroke-width: 2;
}

.tech-item h4 {
    font-size: 18px;
    margin-bottom: var(--space-1);
}

@media (max-width: 1024px) {
    .tech-split {
        grid-template-columns: 1fr;
    }

    .tech-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Pain point table */
.pain-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-300);
}

.pain-table th,
.pain-table td {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    border-bottom: 1px solid var(--neutral-300);
}

.pain-table th {
    background-color: var(--neutral-100);
    font-weight: 600;
    color: var(--primary-900);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pain-table td {
    color: var(--neutral-700);
    vertical-align: top;
}

.pain-table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 640px) {
    .pain-table {
        display: block;
        overflow-x: auto;
    }

    .pain-table th,
    .pain-table td {
        min-width: 200px;
    }
}

/* Step flow */
.step-flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    position: relative;
}

.step-flow::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 16%;
    right: 16%;
    height: 2px;
    background-color: var(--neutral-300);
    z-index: 0;
}

.step-item {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    background-color: var(--white);
    border: 2px solid var(--primary-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-500);
}

.step-item h4 {
    margin-bottom: var(--space-2);
}

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

    .step-flow::before {
        display: none;
    }
}

/* Use case grid */
.usecase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.usecase-item {
    background-color: var(--white);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
    transition: all 200ms ease;
}

.usecase-item:hover {
    border-color: var(--primary-400);
    box-shadow: var(--shadow-md);
}

.usecase-item svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary-500);
    stroke-width: 1.5;
    margin: 0 auto var(--space-3);
}

.usecase-item h4 {
    font-size: 16px;
}

@media (max-width: 768px) {
    .usecase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .usecase-grid {
        grid-template-columns: 1fr;
    }
}

/* Developer value list */
.dev-value-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.dev-value-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    background-color: var(--white);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
}

.dev-value-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-500);
    stroke-width: 2;
    flex-shrink: 0;
}

.dev-value-item h4 {
    font-size: 16px;
    margin-bottom: var(--space-1);
}

.dev-value-item p {
    font-size: 14px;
    color: var(--neutral-500);
}

@media (max-width: 640px) {
    .dev-value-list {
        grid-template-columns: 1fr;
    }
}

/* Animation utilities */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms ease-out, transform 400ms ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 300ms ease-out, transform 300ms ease-out;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 50ms; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 100ms; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 150ms; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 200ms; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 250ms; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .stagger-children > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Utility helpers */
.text-center {
    text-align: center;
}

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

.bg-neutral {
    background-color: var(--neutral-50);
}

.mt-0 { margin-top: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }