:root {
    --color-bg: #f4f2ed;
    --color-bg-deep: #efede7;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b6b;
    --color-white: #ffffff;
    --color-border: #d4d0c8;
    --color-border-muted: rgba(0, 0, 0, 0.08);
    --color-overlay: rgba(244, 242, 237, 0.96);

    --spacing-xs: 0.125rem;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;

    --font-serif: "Times New Roman", Times, serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --size-xs: clamp(0.7rem, 0.5vw + 0.6rem, 0.75rem);
    --size-sm: clamp(0.8rem, 0.5vw + 0.7rem, 0.875rem);
    --size-base: clamp(0.875rem, 0.5vw + 0.8rem, 1rem);
    --size-md: clamp(1rem, 0.5vw + 0.9rem, 1.1rem);
    --size-lg: clamp(1.1rem, 1vw + 1rem, 1.25rem);
    --size-xl: clamp(1.8rem, 2vw + 1rem, 2.8rem);

    --tracking-tight: 0.02em;
    --tracking-normal: 0.05em;
    --tracking-wide: 0.1em;
    --tracking-wider: 0.15em;
    --tracking-widest: 0.25em;

    --layout-max-width: 900px;
    --layout-logo-size: 60px;

    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --duration-breath: 6s ease-in-out infinite;

    --z-base: 1;
    --z-header: 100;
    --z-overlay: 999;
    --z-modal: 1000;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--size-base);
    line-height: 1.8;
    letter-spacing: var(--tracking-tight);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    text-transform: uppercase;
    color: var(--color-text);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.layout-boundary {
    width: 100%;
    max-width: var(--layout-max-width);
    padding: var(--spacing-24) var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-32);
}

.header {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-12);
}

.header-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
}

.main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-16);
    width: 100%;
}

.section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-12);
}

.border-top {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-16);
}

.footer {
    width: 100%;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    text-align: center;
    font-size: var(--size-sm);
    color: var(--color-text-muted);
}

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

.prose {
    font-size: var(--size-md);
    line-height: 1.9;
    color: var(--color-text);
}

.prose-sm {
    font-size: var(--size-sm);
    line-height: 1.8;
    color: var(--color-text-muted);
}

.logo-wrapper {
    width: var(--layout-logo-size);
    height: var(--layout-logo-size);
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    width: 100%;
    height: auto;
    display: block;
    will-change: transform, opacity;
}

.hero {
    text-align: center;
    padding: var(--spacing-4) 0;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: var(--size-xl);
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--spacing-8);
    line-height: 1.1;
}

.hero h2 {
    font-family: var(--font-serif);
    font-size: var(--size-md);
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-muted);
}

.qa-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.qa-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.qa-item .question {
    font-size: var(--size-base);
    color: var(--color-text);
    font-weight: 500;
    text-transform: none;
}

.qa-item .answer {
    font-size: var(--size-sm);
    color: var(--color-text-muted);
    line-height: 1.8;
}

.qa-expanded {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.qa-expanded[hidden] {
    display: none;
}

.toggle-wrapper {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-4);
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: var(--size-xs);
    letter-spacing: var(--tracking-widest);
    cursor: pointer;
    padding: var(--spacing-4);
    transition: color var(--transition-fast);
}

.toggle-btn:hover {
    color: var(--color-text);
}

.list-legal {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    padding-left: 0;
}

.list-legal li {
    font-size: var(--size-sm);
    color: var(--color-text-muted);
    line-height: 1.8;
}

.list-services {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    padding-left: 0;
}

.list-services li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-4);
    padding-bottom: var(--spacing-3);
    border-bottom: 1px solid var(--color-border);
}

.list-services li:last-child {
    border-bottom: none;
}

.list-services .service-name {
    font-size: var(--size-base);
    color: var(--color-text);
}

.list-services .service-detail {
    font-size: var(--size-sm);
    color: var(--color-text-muted);
    display: block;
    margin-top: var(--spacing-1);
}

.list-services .service-price {
    font-size: var(--size-sm);
    color: var(--color-text);
    letter-spacing: var(--tracking-wide);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.list-coverage {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-2) var(--spacing-4);
    padding-left: 0;
}

.list-coverage li {
    font-size: var(--size-sm);
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
}

.contact-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    padding-left: 0;
}

.contact-links li {
    font-size: var(--size-md);
    letter-spacing: var(--tracking-wide);
}

.contact-links a {
    transition: color var(--transition-fast);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-1);
}

.contact-links a:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-text);
}

.contact-phone {
    font-family: var(--font-serif);
    font-size: var(--size-lg);
    color: var(--color-text);
    letter-spacing: var(--tracking-wide);
    margin-top: var(--spacing-4);
}

.guarantee-text {
    font-size: var(--size-md);
    color: var(--color-text);
    line-height: 1.9;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.about-portrait {
    width: 200px;
    height: auto;
    margin: 0 auto var(--spacing-8);
    display: block;
    border: 1px solid var(--color-border);
    will-change: transform, opacity;
}

.about-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-3);
    max-width: 780px;
    margin: var(--spacing-8) auto 0;
}

.about-gallery img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
    border: 1px solid var(--color-border);
    opacity: 0.85;
    transition: opacity var(--transition-fast);
}

.about-gallery img:hover {
    opacity: 1;
}

.about-workspace {
    width: 100%;
    max-width: 640px;
    height: auto;
    margin: var(--spacing-8) auto 0;
    display: block;
    border: 1px solid var(--color-border);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.about-workspace:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .about-gallery {
        grid-template-columns: 1fr;
    }
}

.link-subtle {
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.link-subtle:hover {
    color: var(--color-text);
    border-color: var(--color-text);
}

.copyright {
    font-size: var(--size-xs);
    color: var(--color-text-muted);
}

a {
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

a:hover {
    color: var(--color-text);
}

@keyframes animation-breath {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.85; }
    100% { transform: scale(1); opacity: 1; }
}

.animate-breath {
    animation: animation-breath var(--duration-breath);
    will-change: transform, opacity;
}

@media (max-width: 768px) {
    .layout-boundary {
        padding: var(--spacing-12) var(--spacing-4);
        overflow-x: hidden;
    }

    .list-services li {
        flex-direction: column;
        gap: var(--spacing-1);
    }

    .list-services .service-price {
        align-self: flex-start;
    }

    .about-gallery {
        grid-template-columns: 1fr;
    }

    .about-gallery img {
        height: 360px;
    }

    .animate-breath {
        animation: none !important;
        transition: none !important;
    }
}

.reduced-motion .animate-breath,
.reduced-motion a,
.reduced-motion .link-subtle:hover {
    animation: none !important;
    transition: none !important;
}

.lang-selector {
    display: flex;
    gap: var(--spacing-1);
    margin-top: var(--spacing-3);
    flex-wrap: wrap;
    justify-content: center;
    direction: ltr;
}

.lang-btn {
    background: none;
    border: none;
    font-size: var(--size-md);
    cursor: pointer;
    padding: var(--spacing-1) var(--spacing-2);
    opacity: 0.4;
    transition: opacity var(--transition-fast);
    line-height: 1;
}

.lang-btn:hover {
    opacity: 0.8;
}

.lang-btn-active {
    opacity: 1;
}