/* 2026 visual refresh and mobile polish */
:root {
    --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-display: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --primary-color: #f28a16;
    --secondary-color: #ffb13b;
    --button-orange: #f28a16;
    --button-orange-hover: #ff9b24;
    --button-orange-shadow: rgba(242, 138, 22, 0.32);
    --button-orange-glow: rgba(255, 155, 36, 0.5);
    --background-light: #f6f8fb;
    --text-light: #14212b;
    --text-muted: #5c6975;
    --card-light: rgba(255, 255, 255, 0.92);
    --header-light: rgba(15, 31, 42, 0.9);
    --divider-color: rgba(20, 33, 43, 0.1);
    --glass-border: 1px solid rgba(20, 33, 43, 0.1);
    --border-radius: 8px;
    --shadow-light: 0 12px 34px rgba(20, 33, 43, 0.08);
    --shadow-elevated: 0 20px 48px rgba(20, 33, 43, 0.14);
    --gradient: #f28a16;
    --deep-gradient: linear-gradient(135deg, #101b22, #1b2d36);
    --surface-dark: #101b22;
}

[data-theme="dark"] {
    --background-light: #0d141a;
    --text-light: #edf3f5;
    --text-muted: #a8b6bf;
    --card-light: rgba(20, 31, 39, 0.94);
    --header-light: rgba(8, 18, 25, 0.96);
    --divider-color: rgba(237, 243, 245, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.09);
    --shadow-light: 0 14px 36px rgba(0, 0, 0, 0.3);
    --shadow-elevated: 0 22px 54px rgba(0, 0, 0, 0.42);
    --deep-gradient: linear-gradient(135deg, #0b151c, #152832);
    --surface-dark: #0b151c;
}

html {
    background: var(--background-light);
}

body {
    background:
        linear-gradient(180deg, rgba(246, 248, 251, 0.98), rgba(232, 241, 244, 0.9) 48%, #f6f8fb),
        var(--background-light);
    color: var(--text-light);
    text-rendering: optimizeLegibility;
}

[data-theme="dark"] body {
    background:
        linear-gradient(180deg, #0d141a 0%, #111d25 48%, #0d141a 100%),
        var(--background-light);
}

body,
button,
input,
textarea,
select {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

[data-aos] {
    opacity: 1 !important;
    transform: none !important;
}

h1,
h2,
h3,
h4 {
    letter-spacing: 0;
}

.container {
    width: min(1200px, calc(100% - 40px));
}

.header {
    height: 92px;
    background: rgba(9, 20, 27, 0.96);
    border-bottom: 1px solid rgba(242, 138, 22, 0.34);
    box-shadow: 0 10px 28px rgba(5, 13, 18, 0.2);
}

.header .container {
    display: grid;
    grid-template-rows: 52px 32px;
    align-content: center;
    justify-items: center;
    gap: 0;
    height: 100%;
    padding: 4px 0 0;
}

.header.scrolled {
    height: 58px;
    background: rgba(9, 20, 27, 0.97);
}

.header.scrolled .container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 0;
}

.header.scrolled .header-bar {
    height: 100%;
    align-self: center;
    display: flex;
    align-items: center;
}

.header.scrolled .header-panel {
    display: none;
    height: 0;
    max-height: 0;
}

.header.scrolled .logo {
    gap: 0.62rem;
}

.header.scrolled .logo img {
    height: 34px;
}

.header.scrolled .logo-copy strong {
    font-size: 1.04rem;
    line-height: 1;
}

.header::after {
    display: none;
}

.header-bar {
    align-self: center;
    height: 52px;
}

.header-panel {
    align-self: end;
    height: 32px;
}

.logo {
    gap: 0.78rem;
}

.logo-copy strong {
    color: #fff;
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: 0.035em;
    line-height: 1;
}

.logo img {
    height: 42px;
    filter: none;
}

.nav {
    align-items: end;
    gap: 1.35rem;
    height: 100%;
    margin: 0;
}

.nav a {
    min-height: 32px;
    padding: 0.24rem 0 0.62rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0;
    color: rgba(255, 255, 255, 0.74);
    text-shadow: none;
}

.nav a::after {
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--button-orange);
    box-shadow: 0 0 14px rgba(242, 138, 22, 0.42);
}

.nav a:hover,
.nav a:focus-visible,
.nav a.is-current,
.nav a[aria-current="page"] {
    color: #fff;
}

main {
    padding-top: 92px;
}

.hero {
    min-height: min(820px, calc(100vh - 88px));
    height: calc(100vh - 88px);
    align-items: end;
    padding: 0 0 clamp(2.2rem, 7vh, 5rem);
}

.hero-overlay {
    background: linear-gradient(90deg, rgba(7, 15, 20, 0.82), rgba(7, 15, 20, 0.48) 52%, rgba(7, 15, 20, 0.14));
}

.hero-content {
    justify-items: start;
    width: min(1200px, calc(100% - 40px));
    margin-right: auto;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    text-align: left;
}

.hero h1 {
    max-width: 12.6ch;
    font-size: clamp(3rem, 5.4vw, 4.7rem);
    line-height: 1;
    text-align: left;
    text-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
}

.hero-accent {
    color: var(--secondary-color);
}

.hero p {
    max-width: 36rem;
    margin: 0;
    font-size: clamp(1.05rem, 1.6vw, 1.28rem);
    line-height: 1.65;
    text-align: left;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5);
}

.hero-actions,
.page-hero__actions,
.service-hero__actions,
.topas-info__actions,
.error-hero__actions {
    justify-content: flex-start;
}

.cta-button,
.service-button,
.contact-link,
.messenger-link,
.messenger-badge,
.footer-cta {
    border-radius: 8px;
    letter-spacing: 0;
    text-transform: none;
    font-weight: 600;
    text-shadow: none;
}

.cta-button,
.service-button,
.contact-link,
.footer-cta {
    color: #fff;
}

.cta-button,
.service-button {
    min-height: 50px;
    padding: 0.9rem 1.35rem;
    background: var(--button-orange);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 12px 28px var(--button-orange-shadow);
}

.contact-link,
.footer-cta,
.phone-icon {
    background: var(--button-orange);
    color: #fff;
    box-shadow: 0 12px 28px var(--button-orange-shadow);
}

.cta-button:hover,
.cta-button:focus-visible,
.service-button:hover,
.service-button:focus-visible,
.contact-link:hover,
.contact-link:focus-visible,
.footer-cta:hover,
.footer-cta:focus-visible {
    background: var(--button-orange-hover);
    color: #fff;
    box-shadow:
        0 18px 38px rgba(242, 138, 22, 0.34),
        0 0 0 4px rgba(242, 138, 22, 0.1),
        0 0 26px var(--button-orange-glow);
}

.hero-cta-secondary,
.cta-button--secondary,
.contact-link--secondary {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.28);
}

.cta-button--secondary {
    color: var(--text-light);
    background: transparent;
    border-color: var(--divider-color);
    box-shadow: none;
}

.features,
.services,
.workflow,
.topas-info,
.trusted-clients,
.projects,
.cta,
.catalog-section,
.contacts-section {
    padding: clamp(3rem, 6vw, 5.75rem) 0;
}

.section-heading {
    max-width: 58rem;
}

.section-heading h2,
.features h2,
.services h2,
.trusted-clients h2,
.projects h2,
.cta h2,
.topas-info__content h2,
.page-hero h1,
.error-hero h1,
.service-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.7rem);
    line-height: 1.04;
}

.feature-list,
.service-list,
.workflow-grid,
.boxes-list {
    gap: 1rem;
}

.feature-item,
.service-item,
.workflow-step,
.box,
.contact-card,
.map-card,
.page-hero__fact,
.price-card,
.case-card,
.trust-grid article,
.problem-grid article,
.reuse-grid article,
.topas-model-card,
.faq-section details,
.quick-order__wrap,
.topas-info__grid,
.vacancy-panel {
    border-radius: 8px;
    border: 1px solid rgba(20, 33, 43, 0.09);
    box-shadow: 0 10px 28px rgba(20, 33, 43, 0.07);
}

.feature-item,
.service-item,
.workflow-step,
.box,
.contact-card {
    background: var(--card-light);
}

.feature-item::before,
.service-item::before,
.workflow-step::before,
.box::before,
.contact-card::before,
.map-card::before {
    background: linear-gradient(135deg, rgba(15, 143, 131, 0.08), transparent 58%);
}

.feature-item:hover,
.service-item:hover,
.workflow-step:hover,
.box:hover,
.contact-card:hover,
.map-card:hover {
    transform: translateY(-4px);
}

.feature-item h3,
.service-item h3,
.workflow-step h3,
.box h3,
.contact-card h3 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.service-item img,
.box img,
.topas-info__media img,
.service-hero__media img,
.gallery img,
.carousel-track img,
.map-card iframe {
    border-radius: 8px;
}

.service-item img,
.box img {
    aspect-ratio: 16 / 10;
}

.page-hero,
.error-hero,
.service-hero {
    background: linear-gradient(180deg, rgba(232, 241, 244, 0.75), rgba(246, 248, 251, 0));
}

.page-hero::before,
.error-hero::before,
.service-hero::before {
    display: none;
}

.page-hero__fact strong,
.workflow-step__index,
.price-card__value,
.trusted-clients__item--summary .counter {
    color: var(--primary-color);
}

.contact-card--primary,
.trusted-clients__item--summary,
.vacancy-panel,
.cta::before {
    background: var(--deep-gradient);
}

.trusted-clients__item {
    border-radius: 8px;
    background: #fff;
}

[data-theme="dark"] .page-hero,
[data-theme="dark"] .error-hero,
[data-theme="dark"] .service-hero {
    background: linear-gradient(180deg, rgba(18, 32, 41, 0.92), rgba(13, 20, 26, 0));
}

[data-theme="dark"] .trusted-clients__item {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .feature-item,
[data-theme="dark"] .service-item,
[data-theme="dark"] .workflow-step,
[data-theme="dark"] .box,
[data-theme="dark"] .contact-card,
[data-theme="dark"] .map-card,
[data-theme="dark"] .page-hero__fact,
[data-theme="dark"] .price-card,
[data-theme="dark"] .case-card,
[data-theme="dark"] .trust-grid article,
[data-theme="dark"] .problem-grid article,
[data-theme="dark"] .reuse-grid article,
[data-theme="dark"] .topas-model-card,
[data-theme="dark"] .faq-section details,
[data-theme="dark"] .quick-order__wrap,
[data-theme="dark"] .topas-info__grid {
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .section-kicker,
[data-theme="dark"] .page-hero__eyebrow,
[data-theme="dark"] .contact-card__label,
[data-theme="dark"] .modal-eyebrow {
    background: rgba(242, 138, 22, 0.15);
    border-color: rgba(242, 138, 22, 0.22);
}

[data-theme="dark"] .modal-content {
    background: rgba(18, 28, 36, 0.98);
}

[data-theme="dark"] .modal-content input,
[data-theme="dark"] .quick-order-form input {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text-light);
}

.cta::before {
    inset: 0;
    border-radius: 0;
}

.cta .container {
    padding-block: clamp(2.4rem, 5vw, 4rem);
}

.cta h2 {
    max-width: 14ch;
}

.modal-content,
.close,
.phone-icon,
.project-image-content,
.project-image-close,
.copy-notification {
    border-radius: 8px;
}

.phone-icon {
    background: var(--button-orange);
}

.footer {
    background: #101a21;
}

.service-detail {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.service-detail .container > h2 {
    margin: 0 0 1.25rem;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.08;
}

.service-content {
    align-items: stretch;
    gap: 1rem;
}

.service-image,
.service-description {
    border-radius: 8px;
}

.service-image {
    max-width: 46%;
}

.service-image img {
    height: 100%;
    min-height: 380px;
    object-fit: cover;
}

.service-description {
    padding: clamp(1.2rem, 3vw, 2rem);
}

.service-description h3 {
    color: var(--text-light);
}

.service-description h3:not(:first-child) {
    margin-top: 1.6rem;
}

@media (max-width: 960px) {
    .container {
        width: min(100% - 28px, 1200px);
    }

    main {
        padding-top: 92px;
    }

    .header {
        height: 92px;
    }

    .header .container {
        grid-template-rows: 52px 32px;
        align-content: center;
        gap: 0;
        padding: 4px 0 0;
    }

    .header-bar {
        align-self: center;
        height: 52px;
    }

    .header-panel {
        align-self: end;
        height: 32px;
        max-height: 32px;
    }

    .logo img {
        height: 38px;
    }

    .logo-copy strong {
        font-size: 1.08rem;
        font-weight: 800;
        letter-spacing: 0.03em;
        line-height: 1;
    }

    .nav {
        align-items: end;
        gap: 1rem;
    }

    .nav a {
        min-height: 32px;
        padding: 0.22rem 0 0.6rem;
        font-size: 0.84rem;
        font-weight: 600;
        letter-spacing: 0;
        line-height: 1.1;
    }

    .hero {
        min-height: calc(100vh - 96px);
        height: auto;
        padding: 1.6rem 0 1.25rem;
        align-items: end;
    }

    .hero-content {
        min-height: calc(100vh - 120px);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        max-width: 100%;
        padding: 0;
    }

    .hero h1 {
        margin-top: 1.25rem;
        max-width: 12.2ch;
        font-size: clamp(2.45rem, 10vw, 4rem);
    }

    .hero-actions-mobile {
        align-self: stretch;
    }

    .hero-actions .cta-button {
        max-width: none;
        width: 100%;
        min-width: 0;
        border-radius: 8px;
        font-weight: 600;
    }

    .service-content {
        flex-direction: column;
    }

    .service-image {
        max-width: 100%;
        width: 100%;
    }

    .service-image img {
        min-height: 0;
        aspect-ratio: 16 / 10;
    }
}

@media (max-width: 768px) {
    body {
        background: var(--background-light);
    }

    .container {
        width: min(100% - 20px, 1200px);
    }

    .header {
        height: 92px;
    }

    .header.scrolled {
        height: 58px;
    }

    .header.scrolled .header-panel {
        display: none;
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    main {
        padding-top: 92px;
    }

    .logo img {
        height: 36px;
    }

    .header.scrolled .logo img {
        height: 34px;
    }

    .logo-copy strong {
        font-size: 1rem;
        letter-spacing: 0.025em;
    }

    .header.scrolled .logo-copy strong {
        font-size: 1rem;
        line-height: 1;
    }

    .nav {
        gap: 0.7rem;
    }

    .nav a {
        font-size: 0.78rem;
        padding-bottom: 0.56rem;
    }

    .hero {
        min-height: calc(100vh - 92px);
        padding: 1rem 0;
    }

    .hero-overlay {
        background: linear-gradient(180deg, rgba(7, 15, 20, 0.48), rgba(7, 15, 20, 0.18) 46%, rgba(7, 15, 20, 0.76));
    }

    .hero-content {
        min-height: calc(100vh - 118px);
        max-width: 100%;
    }

    .hero h1 {
        padding-left: 0;
        font-size: clamp(2.35rem, 11vw, 3.35rem);
    }

    .features,
    .services,
    .workflow,
    .topas-info,
    .trusted-clients,
    .projects,
    .cta,
    .catalog-section,
    .contacts-section,
    .service-detail,
    .service-problem,
    .service-solution,
    .service-pricing,
    .service-trust,
    .quick-order,
    .faq-section,
    .service-gallery {
        padding: 2.4rem 0;
    }

    .section-heading h2,
    .features h2,
    .services h2,
    .trusted-clients h2,
    .projects h2,
    .cta h2,
    .topas-info__content h2,
    .page-hero h1,
    .error-hero h1,
    .service-hero h1 {
        font-size: clamp(1.75rem, 8vw, 2.35rem);
    }

    .feature-item,
    .service-item,
    .workflow-step,
    .box,
    .contact-card,
    .map-card,
    .modal-content,
    .quick-order__wrap,
    .topas-info__grid {
        padding: 1rem;
    }

    .service-item p {
        display: block;
        font-size: 0.95rem;
        line-height: 1.55;
    }

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

    .trusted-clients__item {
        min-height: 84px;
    }

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

@media (max-width: 420px) {
    .nav a {
        font-size: 0.66rem;
    }

    .hero h1 {
        font-size: clamp(2.1rem, 10.5vw, 2.75rem);
    }

    .cta-button,
    .service-button,
    .contact-link,
    .messenger-link,
    .messenger-badge,
    .footer-cta {
        width: 100%;
        min-width: 0;
        font-size: 0.9rem;
        font-weight: 600;
    }

    .hero .hero-actions-mobile .cta-button {
        width: 100%;
        max-width: 100%;
        justify-self: stretch;
    }

    .hero .hero-actions-mobile {
        grid-template-columns: minmax(0, 1fr);
    }
}

.cta-button,
.service-button,
.contact-link,
.messenger-link,
.messenger-badge,
.footer-cta,
.nav a {
    font-weight: 600;
}