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

:root {
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #6b7280;
    --accent: #10b981;
    --success: #059669;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #06b6d4;
    --neutral: #f9fafb;
    --text: #111827;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: #ffffff;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-lg {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-sm {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.text-xs {
    font-size: 0.75rem;
    line-height: 1rem;
}

.text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.text-base {
    font-size: 1rem;
    line-height: 1.5rem;
}

.text-lg {
    font-size: 1.125rem;
    line-height: 1.75rem;
}

.text-xl {
    font-size: 1.25rem;
    line-height: 1.75rem;
}

.text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
}

.text-3xl {
    font-size: 1.875rem;
    line-height: 2.25rem;
}

.text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
}

.text-5xl {
    font-size: 3rem;
    line-height: 1.2;
}

.text-6xl {
    font-size: 3.75rem;
    line-height: 1;
}

.font-light {
    font-weight: 300;
}

.font-normal {
    font-weight: 400;
}

.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

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

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

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

.text-primary {
    color: var(--primary);
}

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

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

.text-white {
    color: #ffffff;
}

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

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

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

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

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

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

.bg-white {
    background-color: #ffffff;
}

.bg-gray-50 {
    background-color: #f9fafb;
}

.bg-gray-100 {
    background-color: #f3f4f6;
}

.bg-gray-200 {
    background-color: #e5e7eb;
}

.flex {
    display: flex;
}

.flex-row {
    flex-direction: row;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

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

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

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

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-8 {
    gap: 2rem;
}

.gap-12 {
    gap: 3rem;
}

.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.col-span-2 {
    grid-column: span 2 / span 2;
}

.col-span-3 {
    grid-column: span 3 / span 3;
}

.col-span-4 {
    grid-column: span 4 / span 4;
}

.m-0 {
    margin: 0;
}

.m-1 {
    margin: 0.25rem;
}

.m-2 {
    margin: 0.5rem;
}

.m-4 {
    margin: 1rem;
}

.m-6 {
    margin: 1.5rem;
}

.m-8 {
    margin: 2rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.my-2 {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.my-4 {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.my-6 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.my-8 {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.my-12 {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mb-12 {
    margin-bottom: 3rem;
}

.p-2 {
    padding: 0.5rem;
}

.p-4 {
    padding: 1rem;
}

.p-6 {
    padding: 1.5rem;
}

.p-8 {
    padding: 2rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-3 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-6 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.py-12 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.py-16 {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.min-h-screen {
    min-height: 100vh;
}

.rounded {
    border-radius: var(--radius);
}

.rounded-sm {
    border-radius: var(--radius-sm);
}

.rounded-md {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-full {
    border-radius: 9999px;
}

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

.shadow {
    box-shadow: var(--shadow);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

.border {
    border: 1px solid var(--border);
}

.border-2 {
    border: 2px solid var(--border);
}

.border-t {
    border-top: 1px solid var(--border);
}

.border-b {
    border-bottom: 1px solid var(--border);
}

.overflow-hidden {
    overflow: hidden;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.top-0 {
    top: 0;
}

.left-0 {
    left: 0;
}

.right-0 {
    right: 0;
}

.z-10 {
    z-index: 10;
}

.z-20 {
    z-index: 20;
}

.z-50 {
    z-index: 50;
}

.z-999 {
    z-index: 999;
}

.opacity-0 {
    opacity: 0;
}

.opacity-50 {
    opacity: 0.5;
}

.opacity-75 {
    opacity: 0.75;
}

.opacity-100 {
    opacity: 1;
}

.transition {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.transition-colors {
    transition-property: color, background-color, border-color;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.duration-200 {
    transition-duration: 200ms;
}

.duration-300 {
    transition-duration: 300ms;
}

.ease-in-out {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: var(--shadow-sm);
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text);
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 20px;
    z-index: 1000;
}

.header-main {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    padding: 5rem 0;
    text-align: center;
}

.primary-banner {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: #ffffff;
    padding: 4rem 0;
    text-align: center;
}

.intro-section {
    background: var(--neutral);
    padding: 4rem 0;
}

.main-feature {
    padding: 4rem 0;
    background: #ffffff;
}

.content-section {
    padding: 4rem 0;
}

.info-block {
    padding: 3rem 0;
    background: var(--neutral);
}

.data-area {
    padding: 3rem 0;
}

.content-zone {
    padding: 3rem 0;
    background: #ffffff;
}

.info-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.detail-box {
    background: var(--neutral);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border-left: 4px solid var(--primary);
}

.content-panel {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}

.info-tile {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.action-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.action-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.primary-cta {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.primary-cta:hover {
    background-color: var(--primary-dark);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.submit-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

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

.main-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background-color: var(--primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.main-action:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

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

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

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

.layout-system {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.flex-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.grid-layout {
    display: grid;
    gap: 2rem;
}

form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.testimonial {
    background: var(--neutral);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

.testimonial-author {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary);
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: #ffffff;
    border: none;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background: var(--neutral);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    display: none;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    display: block;
}

.stat-box {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    margin-top: 0.5rem;
    color: var(--text-light);
}

footer {
    background: var(--text);
    color: #ffffff;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-light);
}

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

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #9ca3af;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.portfolio-item {
    background: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.portfolio-info {
    padding: 1.5rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-light);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: var(--neutral);
    color: var(--text);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
}

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(5, 150, 105, 0.1);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border-left: 4px solid var(--error);
}

.divider {
    height: 1px;
    background: var(--border);
    margin: 2rem 0;
}

blockquote {
    padding: 1.5rem;
    border-left: 4px solid var(--primary);
    background: var(--neutral);
    margin: 2rem 0;
    font-style: italic;
}

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

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul, ol {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

li {
    margin-bottom: 0.5rem;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

p {
    margin-bottom: 1rem;
}

@media screen and (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .layout-system {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .text-5xl {
        font-size: 2.5rem;
    }

    .text-6xl {
        font-size: 3rem;
    }
}

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

    .main-nav {
        display: none;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background: white;
        box-shadow: var(--shadow-lg);
        z-index: 999;
        padding: 1rem 0;
    }

    .main-nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-item {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border);
    }

    .nav-link {
        display: block;
        padding: 1rem;
    }

    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .grid-cols-2 {
        grid-template-columns: 1fr;
    }

    .layout-system {
        grid-template-columns: 1fr;
    }

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

    .flex-container {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.125rem;
    }

    .text-4xl {
        font-size: 1.875rem;
    }

    .text-5xl {
        font-size: 2rem;
    }

    .text-6xl {
        font-size: 2.25rem;
    }

    .py-20 {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    .py-16 {
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
    }

    .header-main {
        padding: 3rem 0;
    }

    .primary-banner {
        padding: 3rem 0;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .text-3xl {
        font-size: 1.5rem;
    }

    .text-2xl {
        font-size: 1.25rem;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .info-card {
        padding: 1.5rem;
    }

    .action-button,
    .primary-cta {
        width: 100%;
        text-align: center;
    }

    .gap-8 {
        gap: 1.5rem;
    }

    .gap-6 {
        gap: 1rem;
    }
}