:root {
    --font-primary: 'Be Vietnam Pro', sans-serif;
    --color-primary: #007bff;
    --color-secondary: #48c1e0;
    --color-accent: #E4007C;
    --color-dark: #1a202c;
    --color-dark-muted: #2d3748;
    --color-body-text: #4a5568;
    --color-light-gray: #f7fafc;
    --color-border: #e2e8f0;
    --color-white: #ffffff;
    --gradient-primary: linear-gradient(110deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(110deg, var(--color-accent) 0%, #FF7A00 100%);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --border-radius: 12px;
    --transition-fast: all 0.2s ease-in-out;
    --transition-slow: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --container-width: 1280px;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-body-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}
h1, h2, h3, h4 {
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.3;
}
h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}
h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}
h4 {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
}
p {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover {
    color: var(--color-secondary);
}
ul {
    list-style: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.section-title {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 1rem auto 0;
}
.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    font-size: 1.15rem;
    color: var(--color-body-text);
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideUp {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
main > section {
    padding: 6rem 0;
    animation: slideUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
    opacity: 0;
}
.main-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition-fast);
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.main-header .logo {
    width: auto;
    height: 50px;
    transition: var(--transition-fast);
}
.main-header .logo:hover {
    transform: scale(1.05);
}
.main-navigation ul {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}
.main-navigation a {
    color: var(--color-dark-muted);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}
.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-slow);
}
.main-navigation a:hover::after,
.main-navigation li.active a::after {
    width: 100%;
}
.main-navigation .contact-button {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-md);
}
.main-navigation .contact-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.main-navigation .contact-button::after {
    display: none;
}
.has-submenu {
    position: relative;
}
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    list-style: none;
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-slow);
}
.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.submenu li {
    margin: 0;
}
.submenu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-dark-muted);
    border-radius: 8px;
    font-weight: 500;
}
.submenu a:hover {
    background-color: var(--color-light-gray);
    color: var(--color-primary);
}
.submenu a::after {
    display: none;
}
.hero-section {
    padding-top: 6rem;
    padding-bottom: 8rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
}
.hero-section .container {
    text-align: center;
}
.hero-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    margin-bottom: 1.5rem;
}
.partner-invitation {
    max-width: 650px;
    margin: 0 auto 2.5rem;
    font-style: italic;
    font-size: 0.95rem;
    color: var(--color-body-text);
    background-color: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}
.hero-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    text-align: left;
    margin-top: 4rem;
}
.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}
.hero-pillars li {
    margin-bottom: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
}
.hero-pillars li::before {
    content: '✔';
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-right: 0.75rem;
}
.cta-button {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    margin-top: 2rem;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-md);
    font-size: 1.1rem;
}
.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}
.hero-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
    position: relative;
}
.hero-img-main {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    width: 100%;
    height: 300px;
    transition: var(--transition-slow);
}
.hero-img-sub {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    object-fit: cover;
    width: 100%;
    height: 200px;
    transition: var(--transition-slow);
}
.hero-gallery:hover .hero-img-main {
    transform: scale(1.02);
}
.hero-gallery:hover .hero-img-sub {
    transform: scale(1.05);
}
.contact-section {
    background-color: var(--color-light-gray);
}
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}
.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}
.submit-button {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    padding: 1.25rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-md);
}
.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.solutions-section {
    background-color: var(--color-white);
}
.solutions-showcase {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}
.solution-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.solutions-showcase article:nth-child(even) .solution-images {
    order: 2;
}
.solution-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.solution-images img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 4 / 3;
    width: 100%;
    transition: var(--transition-slow);
}
.solution-card:hover .solution-images img {
    transform: scale(1.03) rotate(1deg);
}
.solution-card:hover .solution-images img:nth-child(even) {
    transform: scale(1.03) rotate(-1deg);
}
.solution-name {
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.75rem;
}
.solution-name::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}
.solution-text ul {
    list-style: none;
    margin-top: 1.5rem;
}
.solution-text ul li {
    padding-left: 1.75rem;
    position: relative;
    margin-bottom: 0.75rem;
}
.solution-text ul li::before {
    content: '›';
    position: absolute;
    left: 0;
    top: -2px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}
.casestudy-section {
    background-color: var(--color-light-gray);
}
.casestudy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}
.casestudy-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
}
.casestudy-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}
.casestudy-images {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 150px 100px;
    gap: 0.5rem;
    padding: 0.5rem;
}
.casestudy-images img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    transition: var(--transition-fast);
}
.casestudy-images img:nth-child(1) {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
}
.casestudy-images img:nth-child(2) {
    grid-column: 2 / 4;
    grid-row: 1 / 2;
}
.casestudy-images img:nth-child(3) {
    grid-column: 2 / 4;
    grid-row: 2 / 3;
}
.casestudy-item:hover .casestudy-images img {
    filter: brightness(1.1);
}
.casestudy-item h4 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--color-dark);
}
.casestudy-item p {
    padding: 0 1.5rem 1.5rem;
    font-size: 0.95rem;
    flex-grow: 1;
}
.insights-section {
    background-color: var(--color-white);
}
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}
.insight-post {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-slow);
}
.insight-post:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}
.insight-post img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}
.insight-content {
    padding: 1.75rem;
}
.insight-category {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.insight-title {
    margin-bottom: 0.75rem;
    min-height: 5rem;
}
.read-more {
    font-weight: 700;
    color: var(--color-primary);
}
.read-more:hover {
    text-decoration: underline;
}
.about-section {
    background-color: var(--color-light-gray);
}
.about-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}
.about-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.about-gallery img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 1 / 1;
    transition: var(--transition-slow);
}
.about-gallery img:nth-child(1) {
    grid-column: 1 / 3;
    aspect-ratio: 16 / 9;
}
.about-gallery img:hover {
    transform: scale(1.05);
}
.about-text h3 {
    margin-bottom: 1rem;
    color: var(--color-dark);
}
.about-text blockquote {
    border-left: 4px solid var(--color-secondary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 500;
    color: var(--color-dark-muted);
}
.team-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.team-gallery img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    object-fit: cover;
    aspect-ratio: 4 / 3;
    transition: var(--transition-slow);
    filter: grayscale(80%);
}
.team-gallery img:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
}
.partners-section {
    background-color: var(--color-white);
}
.partner-list {
    max-width: 900px;
    margin: 0 auto;
}
.partner-category {
    background-color: var(--color-light-gray);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2.5rem;
    border: 1px solid var(--color-border);
}
.category-title {
    color: var(--color-dark);
    margin-bottom: 0.75rem;
    text-align: center;
}
.category-description {
    text-align: center;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.partner-items li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1.1rem;
}
.partner-items li:last-child {
    border-bottom: none;
}
.dofollow-partner-link {
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
.dofollow-partner-link:hover {
    color: var(--color-accent);
}
.main-footer {
    background-color: var(--color-dark);
    color: #a0aec0;
    padding-top: 5rem;
}
.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--color-dark-muted);
}
.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1.5rem;
}
.footer-info h4 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.footer-credit p {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}
.footer-credit a {
    color: var(--color-secondary);
    font-weight: 500;
}
.footer-credit a:hover {
    color: var(--color-white);
    text-decoration: underline;
}
.footer-bottom {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}
@media (max-width: 992px) {
    .main-header .container {
        flex-direction: column;
        gap: 1rem;
    }
    .main-navigation ul {
        gap: 1.5rem;
    }
    .hero-content-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text {
        order: 2;
    }
    .hero-gallery {
        order: 1;
        max-width: 600px;
        margin: 0 auto;
    }
    .hero-pillars {
        justify-content: center;
    }
    .solution-card,
    .solutions-showcase article:nth-child(even) {
        grid-template-columns: 1fr;
    }
    .solutions-showcase article:nth-child(even) .solution-images {
        order: 1;
    }
    .about-wrapper {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-logo {
        margin-left: auto;
        margin-right: auto;
    }
}
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    main > section {
        padding: 4rem 0;
    }
    .main-navigation {
        width: 100%;
        overflow-x: auto;
    }
    .main-navigation ul {
        justify-content: center;
        padding-bottom: 1rem;
    }
    .section-subtitle {
        margin-bottom: 3rem;
    }
    .contact-form {
        padding: 2rem;
    }
    .casestudy-grid,
    .insights-grid,
    .team-gallery {
        grid-template-columns: 1fr;
    }
    .insight-title {
        min-height: auto;
    }
    .footer-content {
        gap: 2.5rem;
    }
    .footer-bottom {
        padding: 1.5rem;
    }
}
@media (max-width: 480px) {
    .main-navigation ul {
        gap: 1rem;
    }
    .main-navigation a {
        font-size: 0.9rem;
    }
    .main-navigation .contact-button {
        padding: 0.5rem 1rem;
    }
    .hero-gallery {
        grid-template-columns: 1fr;
    }
    .hero-img-main,
    .hero-img-sub {
        height: auto;
        aspect-ratio: 16 / 9;
    }
    .solution-images {
        grid-template-columns: 1fr;
    }
}