*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
:root {
    --brand: #00BEBD;
    --brand-dark: #009B9A;
    --brand-light: #E6F8F8;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--slate-50);
    color: var(--slate-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
}
ul {
    list-style: none;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.text-center { text-align: center; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.grid { display: grid; }

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--slate-100);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.header-inner {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-box {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--brand);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 190, 189, 0.3);
}
.logo-text span:first-child {
    font-size: 18px;
    font-weight: 900;
    color: var(--slate-900);
    letter-spacing: -0.5px;
    display: block;
}
.logo-text span:last-child {
    font-size: 11px;
    color: var(--slate-400);
    font-weight: 500;
    display: block;
}
.nav-links {
    display: flex;
    gap: 32px;
    font-size: 15px;
    font-weight: 500;
    color: var(--slate-700);
}
.nav-links a:hover {
    color: var(--brand);
    transition: color 0.2s;
}
.menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--slate-700);
    cursor: pointer;
    padding: 8px;
}
.mobile-menu {
    display: none;
    background: white;
    border-bottom: 1px solid var(--slate-100);
    padding: 12px 20px;
}
.mobile-menu a {
    display: block;
    padding: 10px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--slate-700);
    border-bottom: 1px solid var(--slate-50);
}
.mobile-menu a:hover {
    color: var(--brand);
}

/* Banner Hero Section (Filled PC Layout) */
.hero {
    position: relative;
    background: var(--slate-900);
    color: white;
    overflow: hidden;
    padding: 100px 0;
}
.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image: url('https://images.unsplash.com/photo-1507238691740-187a5b1d37b8?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2, 6, 23, 0.95) 0%, rgba(15, 23, 42, 0.8) 100%);
    z-index: 1;
}
.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero-content {
    space-y: 20px;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(0, 190, 189, 0.15);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(0, 190, 189, 0.3);
    margin-bottom: 20px;
}
.dot {
    width: 8px;
    height: 8px;
    background: var(--brand);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.9; }
    50% { transform: scale(1.2); opacity: 0.4; }
    100% { transform: scale(0.95); opacity: 0.9; }
}
.hero h1 {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 20px;
}
.hero h1 span {
    color: var(--brand);
}
.hero p {
    font-size: 16px;
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 30px;
}
.hero-btns {
    display: flex;
    gap: 16px;
}
.btn-primary {
    background: var(--brand);
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: bold;
    font-size: 15px;
    box-shadow: 0 10px 20px rgba(0, 190, 189, 0.3);
    transition: background 0.2s, transform 0.2s;
    display: inline-block;
}
.btn-primary:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
}
.btn-outline {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: bold;
    font-size: 15px;
    backdrop-filter: blur(5px);
    transition: background 0.2s;
    display: inline-block;
}
.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Banner Right Feature Grid Cards */
.hero-right-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.hero-feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 24px;
    border-radius: 16px;
    transition: transform 0.3s, border-color 0.3s;
}
.hero-feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand);
    background: rgba(255, 255, 255, 0.08);
}
.hero-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(0, 190, 189, 0.2);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}
.hero-feature-card h3 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
    color: white;
}
.hero-feature-card p {
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.5;
    margin-bottom: 0;
}

/* Section Commons */
.section {
    padding: 90px 0;
}
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}
.section-tag {
    display: inline-block;
    background: var(--brand-light);
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.section-title {
    font-size: 34px;
    font-weight: 900;
    color: var(--slate-900);
    letter-spacing: -0.5px;
    margin-bottom: 14px;
}
.section-desc {
    font-size: 15px;
    color: var(--slate-600);
    line-height: 1.6;
}

/* Core Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.service-card {
    background: white;
    border-radius: 16px;
    padding: 32px 24px;
    border: 1px solid var(--slate-100);
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}
.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 190, 189, 0.4);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--brand-light);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 24px;
    transition: all 0.3s;
}
.service-card:hover .service-icon {
    background: var(--brand);
    color: white;
}
.service-card h3 {
    font-size: 18px;
    font-weight: bold;
    color: var(--slate-900);
    margin-bottom: 12px;
}
.service-card p {
    font-size: 14px;
    color: var(--slate-600);
    line-height: 1.6;
}

/* Articles Section */
.bg-slate {
    background-color: var(--slate-50);
}
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.article-card {
    background: white;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--slate-100);
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    display: flex;
    gap: 20px;
    align-items: center;
    transition: all 0.3s;
}
.article-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    border-color: var(--slate-200);
}
.article-img-wrap {
    width: 190px;
    height: 125px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--slate-200);
}
.article-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.article-card:hover .article-img-wrap img {
    transform: scale(1.05);
}
.article-info {
    flex-grow: 1;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--slate-400);
    margin-bottom: 8px;
}
.article-meta .tag {
    color: var(--brand);
    font-weight: 500;
}
.article-title {
    font-size: 15px;
    font-weight: bold;
    color: var(--slate-900);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-title:hover {
    color: var(--brand);
}
.article-desc {
    font-size: 12px;
    color: var(--slate-500);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Workflow Section */
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.workflow-card {
    background: white;
    padding: 32px 24px;
    border-radius: 16px;
    border: 1px solid var(--slate-100);
    position: relative;
}
.workflow-num {
    font-size: 36px;
    font-weight: 900;
    color: var(--brand);
    opacity: 0.3;
    margin-bottom: 16px;
}
.workflow-card h3 {
    font-size: 18px;
    font-weight: bold;
    color: var(--slate-900);
    margin-bottom: 10px;
}
.workflow-card p {
    font-size: 13px;
    color: var(--slate-600);
    line-height: 1.6;
}

/* Friends Link Section */
.links-section {
    padding: 30px 0;
    background: #f1f5f9;
    border-top: 1px solid var(--slate-200);
}
.links-wrap {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.links-title {
    font-size: 12px;
    font-weight: bold;
    color: var(--slate-500);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
}
.links-list {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--slate-600);
}
.links-list a:hover {
    color: var(--brand);
}

/* Contact Anchor Strip */
.contact-strip {
    background: var(--slate-900);
    color: white;
    padding: 40px 0;
    border-top: 1px solid var(--slate-800);
}
.contact-strip-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.contact-strip h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 4px;
}
.contact-strip p {
    font-size: 13px;
    color: var(--slate-400);
}
.contact-info-list {
    display: flex;
    gap: 24px;
    font-size: 14px;
}
.contact-info-list div {
    display: flex;
    align-items: center;
    gap: 8px;
}
.contact-info-list span {
    color: var(--brand);
}

/* Footer */
footer {
    background: var(--slate-950);
    color: var(--slate-500);
    padding: 30px 0;
    border-top: 1px solid var(--slate-900);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    flex-wrap: wrap;
    gap: 15px;
}
.footer-brand {
    color: #cbd5e1;
    font-weight: bold;
}
.footer-links {
    display: flex;
    gap: 20px;
}
.footer-links a:hover {
    color: var(--brand);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .services-grid, .workflow-grid {
grid-template-columns: repeat(2, 1fr);
    }
    .hero-container {
grid-template-columns: 1fr;
gap: 40px;
    }
}
@media (max-width: 768px) {
    .nav-links, .header-inner .btn-primary {
display: none;
    }
    .menu-btn {
display: block;
    }
    .articles-grid {
grid-template-columns: 1fr;
    }
    .services-grid, .workflow-grid {
grid-template-columns: 1fr;
    }
    .hero h1 {
font-size: 32px;
    }
    .hero-right-grid {
grid-template-columns: 1fr;
    }
    .contact-strip-inner {
flex-direction: column;
text-align: center;
    }
    .contact-info-list {
flex-direction: column;
gap: 10px;
    }
}