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

:root {
    --primary-color: #0071e3;
    --secondary-color: #0077ed;
    --text-dark: #1d1d1f;
    --text-light: #86868b;
    --bg-light: #fbfbfd;
    --bg-gray: #f5f5f7;
    --white: #ffffff;
    --border-color: #d2d2d7;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.47059;
    font-size: 17px;
    font-weight: 400;
    letter-spacing: -0.022em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.intro-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.intro-animation.fade-out {
    opacity: 0;
    pointer-events: none;
}

.intro-text-container {
    text-align: center;
}

.intro-text {
    font-size: 5rem;
    font-weight: 600;
    color: var(--white);
    opacity: 0;
    transform: scale(0.95);
    animation: fadeInUp 0.6s ease forwards;
    letter-spacing: -0.02em;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.main-content {
    opacity: 1;
}

.main-content.visible {
    opacity: 1;
}

.hidden {
    display: none;
}

.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    height: 44px;
}

.logo {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 14px;
    transition: color 0.2s ease;
    opacity: 0.8;
}

.nav-menu a:hover,
.nav-menu a.active {
    opacity: 1;
}

.btn-nav {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.4rem 1rem;
    border-radius: 980px;
    transition: background 0.2s ease;
    font-size: 14px;
    opacity: 1 !important;
}

.btn-nav:hover {
    background: var(--secondary-color);
}

.hero {
    padding: 6rem 0;
    background: var(--white);
    color: var(--text-dark);
    text-align: center;
}

.hero-image {
    max-width: 1200px;
    margin: 4rem auto 0;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.8s ease;
    letter-spacing: -0.015em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    animation: fadeInUp 0.8s ease 0.2s backwards;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    animation: fadeInUp 0.8s ease 0.4s backwards;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 400;
    font-size: 17px;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
    background: none;
}

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

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

.btn-secondary {
    background: transparent !important;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color) !important;
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.services-preview {
    padding: 4rem 0;
    background: var(--bg-light);
}

.who-section {
    padding: 4rem 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.75rem;
    letter-spacing: -0.015em;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-weight: 400;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.who-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--bg-gray);
    padding: 2.5rem;
    border-radius: 18px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.service-card:hover {
    background: var(--white);
    border-color: var(--border-color);
    transform: translateY(-2px);
}

.who-card {
    background: var(--white);
    padding: 0;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.who-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.who-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-gray);
    flex-shrink: 0;
}

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

.who-card:hover .who-card-image img {
    transform: scale(1.08);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.who-card h3 {
    padding: 2rem 1.5rem 0;
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.5;
    font-size: 15px;
}

.who-card p {
    padding: 0 1.5rem;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.who-card a {
    display: inline-block;
    padding: 1.5rem 1.5rem 2rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 15px;
    text-decoration: none;
    margin-top: auto;
}


.who-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.link-arrow {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s;
}

.link-arrow:hover {
    transform: translateX(5px);
}

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

.cta-section {
    padding: 4rem 0;
    background: var(--bg-gray);
    color: var(--text-dark);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.015em;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.footer {
    background: var(--bg-gray);
    color: var(--text-light);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s ease;
    font-size: 14px;
}

.footer-section a:hover {
    color: var(--text-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .intro-text {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .who-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .intro-text {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        margin-left: 0 !important;
        margin-bottom: 0.75rem;
    }
    
    .btn:last-child {
        margin-bottom: 0;
    }
    
    .text-center .btn {
        display: block;
        margin-left: 0 !important;
        margin-right: 0;
    }
    
    .who-grid {
        grid-template-columns: 1fr;
    }
}

.page-header {
    padding: 3rem 0 2.5rem;
    background: var(--white);
    color: var(--text-dark);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.015em;
    line-height: 1.1;
}

.page-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    font-weight: 400;
}

.services-detail {
    padding: 5rem 0;
}

.service-detail-card {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 18px;
    border: 1px solid var(--border-color);
}

.service-detail-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.service-detail-content {
    flex: 1;
}

.service-detail-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.service-lead {
    font-size: 1.0625rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.service-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature-check {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
}

.feature-item strong {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
    font-size: 15px;
}

.feature-item p {
    color: var(--text-light);
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.who-detail {
    padding: 4rem 0;
}

.who-detail.alternate {
    background: var(--bg-light);
}

.who-detail.who-card {
    background: var(--white);
    padding: 0;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    overflow: hidden;
}

.who-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.who-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.who-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.who-card:hover .who-card-image img {
    transform: scale(1.05);
}

.who-card h3,
.who-card p,
.who-card a {
    padding: 0 2rem;
}

.who-card h3 {
    padding-top: 1.5rem;
}

.who-card a {
    display: inline-block;
    padding-bottom: 1.5rem;
}

.who-detail-header {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}


.who-detail-header h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.015em;
}

.who-subtitle {
    font-size: 1.0625rem;
    color: var(--text-light);
    font-weight: 400;
}

.who-description {
    margin-bottom: 2rem;
}

.who-description p {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--text-light);
}

.who-solutions h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.solution-item {
    padding: 1.5rem;
    background: var(--bg-gray);
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.solution-item:hover {
    background: var(--white);
    border-color: var(--border-color);
}


.solution-item h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.solution-item p {
    color: var(--text-light);
    font-size: 14px;
    margin: 0;
    line-height: 1.5;
}

.who-cta {
    text-align: center;
    margin-top: 2rem;
}

.contact-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-simple {
    max-width: 800px;
    margin: 0 auto;
}

.contact-cta-box {
    background: var(--bg-gray);
    padding: 2.5rem;
    border-radius: 18px;
    text-align: center;
    margin-top: 2rem;
}

.contact-cta-box h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.contact-cta-box p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: 3rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-method-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.contact-method h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.contact-method p {
    color: var(--text-light);
    margin: 0;
}

.contact-method a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-method a:hover {
    text-decoration: underline;
}

.contact-benefits {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-benefits h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.contact-benefits ul {
    list-style: none;
}

.contact-benefits ul li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-size: 15px;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: 18px;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 17px;
    transition: border-color 0.2s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-group {
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    gap: 0.75rem;
    cursor: pointer;
    align-items: flex-start;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 0.25rem;
    cursor: pointer;
}

.btn-full {
    width: 100%;
}

.form-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 1rem;
}

.form-message {
    text-align: center;
    padding: 3rem;
}

.form-message svg {
    margin-bottom: 1rem;
}

.success-message {
    color: #10b981;
}

.success-message svg {
    stroke: #10b981;
}

.error-message {
    color: #ef4444;
}

.error-message svg {
    stroke: #ef4444;
}

.form-message h3 {
    font-size: 1.375rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.form-message p {
    color: var(--text-light);
}

@media (max-width: 968px) {
    .service-detail-card {
        flex-direction: column;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .who-detail-header {
        flex-direction: column;
        text-align: center;
    }

    .solution-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }

    .service-detail-card {
        padding: 2rem;
    }

    .who-detail-card {
        padding: 2rem;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .who-detail-header h2 {
        font-size: 1.75rem;
    }
}