:root {
    --ink: #1a1a1a;
    --graphite: #2d2d2d;
    --charcoal: #3d3d3d;
    --steel: #5a5a5a;
    --muted: #7a7a7a;
    --paper: #f5f2eb;
    --card: #ffffff;
    --border: #c9c5bc;
    --border-light: #e0ddd4;
    --amber: #d4a017;
    --amber-dark: #a87c12;
    --amber-light: #f3e6c8;
    --success: #3d6b4f;
    --success-light: #e6f0ea;
    --focus: #d4a017;

    --font-display: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --max-width: 1200px;
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--paper);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--ink);
    color: #fff;
    height: var(--header-height);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 24px;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
    color: #fff;
}

.logo__name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1;
}

.logo__tagline {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.03em;
    line-height: 1.25;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-sm);
    transition: color 0.2s ease, background-color 0.2s ease;
    background: transparent;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-link--button {
    color: rgba(255, 255, 255, 0.85);
}

.nav-link--accent {
    background-color: var(--amber);
    color: var(--ink);
    font-weight: 600;
}

.nav-link--accent:hover,
.nav-link--accent:focus-visible {
    background-color: var(--amber-dark);
    color: #fff;
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 12px;
    padding: 4px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.lang-switcher__current {
    padding: 4px 8px;
    background-color: var(--amber);
    color: var(--ink);
    border-radius: var(--radius-sm);
}

.lang-switcher__link {
    padding: 4px 8px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.lang-switcher__link:hover,
.lang-switcher__link:focus-visible {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.mobile-menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

/* Hero */
.hero {
    position: relative;
    padding-top: var(--header-height);
    background-color: var(--graphite);
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__texture {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.hero__glow {
    position: absolute;
    top: 50%;
    right: 10%;
    width: 600px;
    height: 600px;
    transform: translateY(-50%);
    background: radial-gradient(circle, rgba(212, 160, 23, 0.12) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    animation: glowPulse 10s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: translateY(-50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-50%) scale(1.15);
        opacity: 1;
    }
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
    padding-top: 64px;
    padding-bottom: 64px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--amber);
    border: 1px solid var(--amber);
    padding: 8px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
}

.hero__title {
    font-family: var(--font-display);
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 24px;
    max-width: 700px;
}

.hero__lead {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 560px;
    margin-bottom: 32px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero__proof {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.proof-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.proof-item__value {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--amber);
    line-height: 1.1;
}

.proof-item__unit {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.proof-item__label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.3;
    margin-top: 2px;
}

.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.passport-frame {
    width: 100%;
    max-width: 480px;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    color: var(--ink);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.35);
}

.passport-frame--hero {
    transition: transform 0.4s ease;
}

.passport-frame--hero:hover {
    transform: translateY(-4px);
}

.passport-frame__image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--graphite);
}

.passport-frame__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.passport-frame:hover .passport-frame__image img {
    transform: scale(1.04);
}

.passport-frame__caption {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    background-color: var(--paper);
}

.passport-frame__id {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--amber-dark);
}

.passport-frame__desc {
    font-size: 0.9rem;
    color: var(--steel);
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.button--primary {
    background-color: var(--amber);
    color: var(--ink);
    border-color: var(--amber);
}

.button--primary:hover,
.button--primary:focus-visible {
    background-color: var(--amber-dark);
    border-color: var(--amber-dark);
    color: #fff;
}

.button--ghost {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.button--ghost:hover,
.button--ghost:focus-visible {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.7);
}

.button--text {
    padding: 0;
    background: transparent;
    color: var(--amber-dark);
    font-weight: 600;
}

.button--text:hover,
.button--text:focus-visible {
    color: var(--ink);
}

/* Sections */
.section {
    padding: 96px 0;
    scroll-margin-top: var(--header-height);
}

.section--paper {
    background-color: var(--paper);
}

.section:not(.section--paper) {
    background-color: var(--card);
}

.section__header {
    margin-bottom: 56px;
}

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

.section__eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--amber-dark);
    margin-bottom: 12px;
}

.section__title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section__lead {
    font-size: 1.1rem;
    color: var(--steel);
    max-width: 720px;
    margin: 0 auto;
}

.gost-stamp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 8px 16px;
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: start;
}

.about__intro {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about__intro p {
    font-size: 1.05rem;
    color: var(--charcoal);
}

.about__subtitle {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    color: var(--charcoal);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success);
    font-weight: 700;
}

/* Equipment */
.equipment-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--card);
    margin-bottom: 48px;
}

.equipment-card:last-child {
    margin-bottom: 0;
}

.equipment-card__body {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 0;
}

.equipment-card__info {
    padding: 40px;
}

.equipment-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.25;
}

.equipment-card__text {
    color: var(--charcoal);
    margin-bottom: 16px;
}

.equipment-card__purpose {
    margin-top: 24px;
    padding: 20px;
    background-color: var(--paper);
    border-left: 3px solid var(--amber);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.equipment-card__purpose strong {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
}

.equipment-card__purpose ul {
    list-style: disc;
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--charcoal);
}

.equipment-card__purpose p {
    color: var(--charcoal);
}

.equipment-card__media {
    min-height: 320px;
    background-color: var(--graphite);
}

.equipment-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.equipment-card__media--scheme {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--paper);
    border-left: 1px solid var(--border-light);
}

.scheme-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px;
    color: var(--muted);
    text-align: center;
}

.scheme-placeholder i {
    font-size: 3.5rem;
    color: var(--amber-dark);
    opacity: 0.85;
}

.scheme-placeholder span {
    font-family: var(--font-mono);
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.scheme-placeholder small {
    font-size: 0.8rem;
    color: var(--steel);
}

/* Spec sheet */
.spec-sheet {
    border-top: 1px solid var(--border);
    background-color: var(--paper);
}

.spec-sheet__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
    border-bottom: 1px solid var(--border-light);
    background-color: var(--card);
}

.spec-sheet__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
}

.spec-sheet__doc {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.spec-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.spec-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 40px;
    border-bottom: 1px solid var(--border-light);
}

.spec-row:nth-child(odd) {
    border-right: 1px solid var(--border-light);
}

.spec-row dt {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.spec-row dd {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--ink);
    font-weight: 500;
}

/* Production */
.production-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.info-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--card);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.info-card:hover {
    border-color: var(--amber);
    background-color: var(--paper);
}

.info-card__icon {
    font-size: 1.75rem;
    color: var(--amber-dark);
    margin-bottom: 16px;
}

.info-card__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.info-card__text {
    font-size: 0.95rem;
    color: var(--steel);
}

.feedstock {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--card);
}

.feedstock__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.tag-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-list li {
    padding: 6px 14px;
    background-color: var(--paper);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.9rem;
    color: var(--charcoal);
}

/* Laboratory */
.lab-grid {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.lab__info {
    display: grid;
    grid-template-columns: 0.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.lab__image {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--graphite);
}

.lab__image img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.lab__image-caption {
    display: block;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--steel);
    background-color: var(--paper);
    border-top: 1px solid var(--border);
}

.lab__text {
    display: flex;
    flex-direction: column;
    gap: 16px;
    color: var(--charcoal);
}

.lab__text p {
    font-size: 1.05rem;
}

.lab__samples {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.sample {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--charcoal);
    background-color: var(--paper);
    min-width: 140px;
}

.sample span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.sample--1 span { color: var(--steel); }
.sample--2 span { color: var(--amber-dark); }
.sample--3 span { color: var(--success); }

.protocol {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--card);
}

.protocol__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background-color: var(--paper);
    border-bottom: 1px solid var(--border);
}

.protocol__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
}

.protocol__doc {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.protocol__table-wrap {
    overflow-x: auto;
}

.protocol__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 720px;
}

.protocol__table th,
.protocol__table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.protocol__table th {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--steel);
    background-color: var(--paper);
}

.protocol__table td {
    color: var(--charcoal);
}

.protocol__table td:first-child {
    color: var(--ink);
    font-weight: 500;
}

.protocol__sample {
    font-family: var(--font-mono);
}

.protocol__sample--1 { color: var(--steel); }
.protocol__sample--2 { color: var(--amber-dark); }
.protocol__sample--3 { color: var(--success); }

.protocol__match {
    background-color: var(--success-light);
    color: var(--success);
    font-weight: 600;
}

.protocol__note {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background-color: var(--paper);
    color: var(--charcoal);
    font-size: 0.95rem;
    border-top: 1px solid var(--border);
}

.protocol__note i {
    color: var(--amber-dark);
}

.fact {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px;
    background-color: var(--paper);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 120px;
}

.fact--inline {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.fact__value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--amber-dark);
}

.fact__label {
    font-size: 0.8rem;
    color: var(--muted);
}

/* Report scan */
.report-scan {
    margin: 0;
    padding: 24px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background-color: var(--card);
}

.report-scan__thumb {
    display: block;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    padding: 0;
    background-color: var(--paper);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: zoom-in;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.report-scan__thumb:hover,
.report-scan__thumb:focus-visible {
    border-color: var(--amber);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.report-scan__thumb img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: top;
}

.report-scan__caption {
    margin-top: 16px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--charcoal);
}

.report-scan__link {
    display: inline;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--amber-dark);
    font-size: inherit;
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}

.report-scan__link:hover,
.report-scan__link:focus-visible {
    color: var(--ink);
}

.seal-modal__content {
    max-width: 900px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.seal-modal__image {
    width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

/* News */
.news-featured {
    max-width: 900px;
    margin: 0 auto 48px;
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--paper);
    border-left: 4px solid var(--amber);
}

.news-featured__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
}

.news-featured__meta time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-featured__tag {
    padding: 4px 10px;
    background-color: var(--amber-light);
    color: var(--amber-dark);
    border-radius: 999px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.news-featured__title {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 12px;
}

.news-featured__text {
    color: var(--charcoal);
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.news-featured__facts {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.news-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--card);
}

.news-list__item {
    display: grid;
    grid-template-columns: 110px 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s ease;
}

.news-list__item:last-child {
    border-bottom: none;
}

.news-list__item:hover {
    background-color: var(--paper);
}

.news-list__date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
}

.news-list__title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.news-list__text {
    font-size: 0.95rem;
    color: var(--steel);
    line-height: 1.5;
}

.news-list__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--muted);
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.news-list__link:hover,
.news-list__link:focus-visible {
    color: var(--amber-dark);
    border-color: var(--amber);
    background-color: var(--amber-light);
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.team-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--card);
    text-align: center;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.team-card:hover {
    border-color: var(--amber);
    background-color: var(--paper);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background-color: var(--graphite);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    border: 3px solid var(--border);
}

.team-avatar img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-avatar img[style*="block"] {
    opacity: 1;
}

.team-card__name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.team-card__position {
    font-size: 0.9rem;
    color: var(--amber-dark);
    margin-bottom: 16px;
}

.team-card__contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.team-card__contact a {
    font-size: 0.9rem;
    color: var(--steel);
    transition: color 0.2s ease;
}

.team-card__contact a:hover {
    color: var(--ink);
}

/* Contact */
.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.contact-form__form {
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--card);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--charcoal);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--ink);
    background-color: var(--paper);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--amber);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.15);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--paper);
}

.contact-info__block h4 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 8px;
}

.contact-info__block p {
    color: var(--charcoal);
}

.contact-info__block a:hover {
    color: var(--amber-dark);
}

.form-status {
    text-align: center;
    margin-top: 16px;
    font-size: 0.95rem;
    color: var(--success);
}

/* Inner pages */
.page-content {
    padding: calc(var(--header-height) + 64px) 0 96px;
}

.page-header {
    max-width: 800px;
    margin-bottom: 48px;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--ink);
    margin-top: 16px;
}

.policy-text {
    max-width: 800px;
    background-color: var(--card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 40px;
}

.policy-text h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--ink);
}

.policy-text h2:first-child {
    margin-top: 0;
}

.policy-text p,
.policy-text ul {
    margin-bottom: 16px;
    color: var(--charcoal);
}

.policy-text ul {
    padding-left: 24px;
}

.policy-text li {
    margin-bottom: 8px;
}

.policy-text a {
    color: var(--amber-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Footer */
.site-footer {
    background-color: var(--ink);
    color: rgba(255, 255, 255, 0.65);
    padding: 32px 0;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer__logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
}

.footer__tagline {
    font-size: 0.8rem;
}

.footer__nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.footer__nav a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.2s ease;
}

.footer__nav a:hover,
.footer__nav a:focus-visible {
    color: #fff;
}

.footer__copy {
    font-size: 0.85rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1001;
    background-color: rgba(26, 26, 26, 0.85);
    overflow-y: auto;
    padding: 40px 20px;
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: var(--card);
    margin: 0 auto;
    padding: 48px;
    width: 100%;
    max-width: 900px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.modal-content h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-content h2 i {
    color: var(--amber-dark);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--steel);
    font-size: 1.1rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.close-modal:hover,
.close-modal:focus-visible {
    color: var(--ink);
    border-color: var(--amber);
}

.patents-gallery > p {
    color: var(--steel);
    margin-bottom: 24px;
}

.patent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.patent-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--paper);
    transition: border-color 0.2s ease;
}

.patent-card:hover {
    border-color: var(--amber);
}

.patent-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--graphite);
}

.patent-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.patent-info {
    padding: 20px;
}

.patent-info h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.patent-info p {
    font-size: 0.9rem;
    color: var(--steel);
}

/* Scroll reveal */
.scroll-animate {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.scroll-animate.animate-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Tablet */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero__visual {
        order: -1;
    }

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

    .passport-frame {
        max-width: 560px;
    }

    .passport-frame--hero {
        transform: none;
    }

    .about-grid,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .equipment-card__body {
        grid-template-columns: 1fr;
    }

    .equipment-card__media {
        min-height: 280px;
        order: -1;
    }

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

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

    .lab__image {
        max-width: 480px;
    }

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

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

@media (max-width: 1100px) {
    .nav-link {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    .logo__name {
        font-size: 1.35rem;
    }

    .logo__tagline {
        font-size: 0.72rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .container {
        padding: 0 16px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--ink);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.mobile-menu-open {
        display: flex;
    }

    .nav-link {
        padding: 12px 0;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-link--accent {
        margin-top: 8px;
        justify-content: center;
        border: 1px solid var(--amber);
        border-radius: var(--radius-sm);
    }

    .lang-switcher {
        margin: 12px auto 0;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__lead {
        font-size: 1rem;
    }

    .hero__proof {
        grid-template-columns: 1fr 1fr;
        gap: 20px 12px;
    }

    .section {
        padding: 64px 0;
    }

    .section__title {
        font-size: 1.75rem;
    }

    .equipment-card__info,
    .news-featured,
    .news-list__item,
    .contact-form__form,
    .contact-info,
    .modal-content {
        padding: 24px;
    }

    .spec-list {
        grid-template-columns: 1fr;
    }

    .spec-row:nth-child(odd) {
        border-right: none;
    }

    .spec-row {
        padding: 14px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .news-list__item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .news-list__link {
        display: none;
    }

    .protocol__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .report-scan__thumb {
        max-width: 280px;
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .footer__nav {
        flex-direction: column;
        gap: 12px;
    }

    .modal {
        padding: 16px;
    }

    .page-content {
        padding-top: calc(var(--header-height) + 40px);
        padding-bottom: 64px;
    }

    .policy-text {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.75rem;
    }

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

    .hero__actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .news-featured__facts {
        flex-direction: column;
    }

    .fact {
        width: 100%;
    }
}