:root {
    --primary-color: #3f87a6;
    --secondary-color: #f69d3c;
    --dark-color: #2c3e50;
    --light-color: #f9f9f9;
    --text-color: #333;
    --muted-color: #7f8c8d;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.4;
    color: var(--text-color);
    background-color: var(--light-color);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    text-align: center;
    position: relative;
}

@media (min-width: 768px) {
    .container {
        margin: 2rem auto;
        padding: 2.5rem;
    }
}

.language-switcher {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
}

.language-dropdown {
    position: relative;
    display: inline-block;
}

.language-toggle {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-toggle:hover {
    background: linear-gradient(135deg, #e6e9ed 0%, #e1e6ec 100%);
}

.language-toggle.active {
    background: var(--primary-color);
    color: white;
}

.language-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    margin-left: 0.3rem;
    transition: transform 0.3s ease;
}

.language-toggle.active::after {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 100%;
    overflow: hidden;
    display: none;
    margin-top: 0.3rem;
}

.language-menu.show {
    display: block;
}

.language-option {
    padding: 0.4rem 1rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.language-option:hover {
    background: #f5f7fa;
}

.language-option.active {
    background: var(--primary-color);
    color: white;
}

h1 {
    color: var(--dark-color);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 340px) {
    h1 {
        font-size: 1.2rem;
    }
}

.highlight {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    margin: 0.5rem 0;
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.description {
    position: relative;
    padding: 1.5rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #f5f7fa 0%, #f9f9f9 100%);
    max-width: 700px;
    margin: 2rem auto;
    line-height: 1.6;
    font-style: italic;
    border-left: 4px solid var(--primary-color);
}

.underline {
    position: relative;
    display: inline;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

@media (max-width: 430px) {
    .underline {
        font-size: 1.3rem;
    }
}

@media (max-width: 380px) {
    .underline {
        font-size: 1.2rem;
    }
}

@media (max-width: 354px) {
    .underline {
        font-size: 1rem;
    }
}

@media (max-width: 300px) {
    .underline {
        font-size: 0.8rem;
    }
}

.underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    background-size: 200% 100%;
    animation: gradient 3s ease infinite;
    border-radius: 3px;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

p {
    margin: 1.5rem 0;
    color: var(--text-color);
    font-size: 1.1rem;
}

.section-title {
    position: relative;
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 2px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.price {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 1rem 0;
}

.contact {
    margin: 1.5rem 0;
    padding: 1rem;
    line-height: 1;
    background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.contact a {
    color: var(--primary-color);
    transition: all 0.3s ease;
    display: inline-block;
    margin: 0.3rem 0;
    text-decoration: none;
}

.contact a:hover {
    color: var(--secondary-color);
    transform: translateX(3px);
}

footer {
    margin-top: 2.5rem;
    font-size: 0.9rem;
    color: var(--muted-color);
}

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

footer a:hover {
    color: var(--secondary-color);
}

.diamond-svg {
    filter: drop-shadow(0 0 5px rgba(63, 135, 166, 0));
    transition: all 0.4s ease-in-out;
}

.diamond-svg:hover {
    filter: drop-shadow(0 0 10px rgba(63, 135, 166, 0.7));
    transform: scale(1.05);
}