:root {
    --color-primary: #FF6B35;
    --color-secondary: #2C3E50;
    --color-dark: #1A2332;
    --color-gray: #666666;
    --color-gray-light: #E0E0E0;
    --color-light: #F8F9FA;
    --color-white: #FFFFFF;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

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(--color-dark);
    background: var(--color-white);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.shape-1 {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle at 30% 30%, #E8E8E8, transparent 70%);
    top: -200px;
    left: -200px;
    animation: float1 20s ease-in-out infinite;
}

.shape-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at 30% 30%, #D8D8D8, transparent 70%);
    top: 20%;
    right: -150px;
    animation: float2 18s ease-in-out infinite;
}

.shape-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle at 30% 30%, #C8C8C8, transparent 70%);
    bottom: 10%;
    left: 10%;
    animation: float3 22s ease-in-out infinite;
}

.shape-4 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle at 30% 30%, #B8B8B8, transparent 70%);
    top: 50%;
    right: 20%;
    animation: float4 16s ease-in-out infinite;
}

.shape-5 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle at 30% 30%, #A8A8A8, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation: float5 24s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(40px, 20px) scale(1.02); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-35px, 45px) scale(1.08); }
    66% { transform: translate(25px, -30px) scale(0.92); }
}

@keyframes float3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    30% { transform: translate(45px, 35px) scale(1.1); }
    60% { transform: translate(-30px, -25px) scale(0.9); }
}

@keyframes float4 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    40% { transform: translate(-40px, -35px) scale(1.06); }
    80% { transform: translate(35px, 40px) scale(0.94); }
}

@keyframes float5 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    20% { transform: translate(50px, -45px) scale(1.12); }
    50% { transform: translate(-40px, 50px) scale(0.88); }
    80% { transform: translate(30px, -30px) scale(1.05); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.site-header {
    background: var(--color-white);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled {
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-dark);
    border-radius: 3px;
    transition: var(--transition);
}

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

.nav-link {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    background: #e55a2a;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.4);
}

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

.btn-secondary:hover {
    background: #2d3e50;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(26, 35, 50, 0.3);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.site-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 3rem 0 1rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 5px;
}

.footer-logo-name {
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-slogan {
    color: var(--color-gray-light);
    font-size: 0.9rem;
    font-style: italic;
}

.footer-nav-social {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-nav a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--color-white);
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

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

.footer-bottom p {
    color: var(--color-gray-light);
    font-size: 0.9rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: 2rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray);
    text-align: center;
    margin-bottom: 3rem;
}

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

    .footer-nav-social {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
}

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

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-white);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition);
    }

    .main-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    .logo-img {
        width: 50px;
        height: 50px;
    }

    .logo-name {
        font-size: 1.3rem;
    }

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

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

    .footer-nav ul {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .logo-tagline {
        display: none;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}