:root {
    --primary-orange: #f27405;
    --primary-hover: #d96200;

    --bg-dark: #2a3138;
    --bg-dark-2: #20262b;

    --text-dark: #1f2429;
    --text-gray: #68737d;

    --white: #ffffff;
    --bg-light: #f7f9fa;

    --border-color: #e2e8f0;

    --container: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
}

body.modal-open,
body.menu-open {
    overflow: hidden;
}

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

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

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.narrow {
    max-width: 850px;
}

.section {
    padding: 90px 0;
}

.section-light {
    background: var(--bg-light);
}

/* =========================
   HEADER
========================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    width: min(var(--container), calc(100% - 40px));
    min-height: 78px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-mark {
    width: 44px;
    height: 44px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--primary-orange);
    color: var(--white);

    font-size: 15px;
    font-weight: 900;
    letter-spacing: -1px;
}

.logo-text {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 1px;
}

.main-nav {
    flex: 1;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    position: relative;

    padding: 8px 0;

    color: var(--text-dark);

    font-size: 14px;
    font-weight: 700;
}

.nav-links a::after {
    content: "";

    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;

    height: 2px;

    background: var(--primary-orange);

    transform: scaleX(0);
    transform-origin: center;

    transition: transform 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 22px;
}

.phone-link {
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}

.btn {
    min-height: 48px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 0 24px;

    border: 2px solid transparent;

    font-size: 14px;
    font-weight: 800;

    cursor: pointer;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn-orange:hover {
    background: var(--primary-hover);
}

.btn-outline {
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--text-dark);
}

/* =========================
   MOBILE MENU
========================= */

.menu-toggle {
    display: none;

    width: 46px;
    height: 46px;

    padding: 10px;

    border: 0;
    background: transparent;

    cursor: pointer;
}

.menu-toggle span {
    display: block;

    width: 100%;
    height: 3px;

    margin: 5px 0;

    background: var(--text-dark);

    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* =========================
   HERO
========================= */

.hero {
    background: var(--bg-dark);
}

.hero-content {
    min-height: 650px;

    display: grid;
    grid-template-columns: 1fr 1fr;
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 80px max(40px, calc((100vw - 1200px) / 2));
    padding-right: 70px;

    color: var(--white);
}

.hero-label,
.section-label {
    display: inline-block;

    width: fit-content;

    margin-bottom: 15px;

    color: var(--primary-orange);

    font-size: 12px;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-text h1 {
    max-width: 650px;

    margin: 0 0 24px;

    font-size: clamp(42px, 5vw, 70px);
    line-height: 1.03;
    letter-spacing: -2px;
}

.hero-text p {
    max-width: 620px;

    margin: 0 0 35px;

    color: rgba(255, 255, 255, 0.82);

    font-size: 18px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-image {
    min-height: 650px;
}

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

/* =========================
   SECTION HEADINGS
========================= */

.section-heading {
    margin-bottom: 45px;
}

.section-heading h2,
.intro h2,
.about-content h2,
.quote-info h2,
.contact-box h2 {
    margin: 0 0 18px;

    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.1;
    letter-spacing: -1px;
}

.section-heading p {
    max-width: 700px;

    margin: 0;

    color: var(--text-gray);

    font-size: 17px;
}

.intro {
    text-align: center;
}

.intro .section-label {
    display: block;
}

.intro p {
    margin: 0 0 15px;

    color: var(--text-gray);

    font-size: 17px;
}

/* =========================
   SERVICES
========================= */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card {
    position: relative;

    padding: 34px;

    background: var(--white);

    border: 1px solid var(--border-color);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-5px);

    box-shadow: 0 15px 40px rgba(20, 25, 30, 0.08);
}

.service-number {
    margin-bottom: 18px;

    color: var(--primary-orange);

    font-size: 13px;
    font-weight: 900;
}

.service-card h3 {
    margin: 0 0 12px;

    font-size: 23px;
}

.service-card p {
    margin: 0 0 20px;

    color: var(--text-gray);

    font-size: 15px;
}

.service-card ul {
    margin: 0;
    padding: 0;

    list-style: none;
}

.service-card li {
    position: relative;

    padding: 7px 0 7px 19px;

    border-top: 1px solid var(--border-color);

    color: var(--text-dark);

    font-size: 14px;
}

.service-card li::before {
    content: "•";

    position: absolute;
    left: 2px;

    color: var(--primary-orange);

    font-weight: 900;
}

/* =========================
   ADVANTAGES
========================= */

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 25px;
}

.advantage {
    display: flex;
    gap: 18px;
}

.advantage-icon {
    width: 42px;
    height: 42px;

    flex: 0 0 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--primary-orange);
    color: var(--white);

    font-weight: 900;
}

.advantage h3 {
    margin: 0 0 6px;

    font-size: 18px;
}

.advantage p {
    margin: 0;

    color: var(--text-gray);

    font-size: 14px;
}

/* =========================
   CTA
========================= */

.cta-section {
    padding: 70px 0;

    background: var(--bg-dark);
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;

    padding: 50px;

    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-label-light {
    color: var(--primary-orange);
}

.cta-box h2 {
    margin: 0 0 10px;

    color: var(--white);

    font-size: clamp(30px, 4vw, 44px);
}

.cta-box p {
    margin: 0;

    color: rgba(255, 255, 255, 0.7);
}

/* =========================
   PAGE BANNERS
========================= */

.page-banner {
    position: relative;

    min-height: 390px;

    display: flex;
    align-items: center;

    overflow: hidden;

    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;

    border-bottom: 5px solid var(--primary-orange);
}

.page-banner-quote {
    background-image: url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=1600&auto=format&fit=crop");
}

.page-banner-about {
    background-image: url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?q=80&w=1600&auto=format&fit=crop");
}

.page-banner-overlay {
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(25, 30, 35, 0.9) 0%,
            rgba(25, 30, 35, 0.72) 55%,
            rgba(25, 30, 35, 0.45) 100%
        );
}

.page-banner-content {
    position: relative;
    z-index: 2;

    width: min(var(--container), calc(100% - 40px));

    margin: 0 auto;

    padding: 70px 0;

    color: var(--white);
}

.page-banner-label {
    display: inline-block;

    margin-bottom: 15px;
    padding: 7px 14px;

    border-left: 4px solid var(--primary-orange);

    background: rgba(255, 255, 255, 0.1);

    font-size: 12px;
    font-weight: 900;
    letter-spacing: 2px;
}

.page-banner h1 {
    max-width: 900px;

    margin: 0 0 18px;

    font-size: clamp(38px, 6vw, 68px);
    line-height: 1;
    letter-spacing: -2px;
}

.page-banner p {
    max-width: 760px;

    margin: 0;

    color: rgba(255, 255, 255, 0.88);

    font-size: 19px;
    line-height: 1.6;
}

/* =========================
   WORKS TABLE
========================= */

.works-table-wrapper {
    width: 100%;

    overflow-x: auto;

    border: 1px solid var(--border-color);

    background: var(--white);
}

.works-table {
    width: 100%;

    border-collapse: collapse;

    min-width: 700px;
}

.works-table th {
    padding: 20px 24px;

    background: var(--bg-dark);

    color: var(--white);

    text-align: left;

    font-size: 14px;
    font-weight: 800;
}

.works-table td {
    padding: 23px 24px;

    border-top: 1px solid var(--border-color);

    vertical-align: top;

    color: var(--text-gray);

    font-size: 15px;
}

.works-table td:first-child {
    width: 30%;

    color: var(--text-dark);
}

.works-table tbody tr:hover {
    background: #fafbfc;
}

/* =========================
   QUOTE INFO
========================= */

.quote-info-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;

    align-items: center;
}

.quote-info p {
    max-width: 750px;

    margin: 0 0 15px;

    color: var(--text-gray);
}

.quote-info-card {
    padding: 40px;

    background: var(--bg-dark);

    color: var(--white);

    display: flex;
    flex-direction: column;
    gap: 18px;
}

.quote-card-title {
    font-size: 18px;
    font-weight: 800;
}

.quote-phone {
    color: var(--primary-orange);

    font-size: 28px;
    font-weight: 900;
}

/* =========================
   ABOUT
========================= */

.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 70px;

    align-items: center;
}

.about-content p {
    margin: 0 0 18px;

    color: var(--text-gray);

    font-size: 17px;
}

.about-highlight {
    padding: 45px;

    background: var(--bg-dark);

    color: var(--white);
}

.about-highlight-number {
    display: block;

    margin-bottom: 20px;

    color: var(--primary-orange);

    font-size: 58px;
    font-weight: 900;
    line-height: 1;
}

.about-highlight h3 {
    margin: 0 0 12px;

    font-size: 30px;
}

.about-highlight p {
    margin: 0 0 25px;

    color: rgba(255, 255, 255, 0.7);
}

.text-link {
    color: var(--primary-orange);

    font-size: 14px;
    font-weight: 800;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.value-card {
    padding: 32px;

    background: var(--white);

    border: 1px solid var(--border-color);
}

.value-number {
    display: block;

    margin-bottom: 15px;

    color: var(--primary-orange);

    font-size: 13px;
    font-weight: 900;
}

.value-card h3 {
    margin: 0 0 10px;

    font-size: 21px;
}

.value-card p {
    margin: 0;

    color: var(--text-gray);

    font-size: 14px;
}

/* =========================
   CONTACT
========================= */

.contact-box {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 40px;

    padding: 50px;

    background: var(--bg-light);

    border: 1px solid var(--border-color);
}

.contact-box h2 {
    margin-bottom: 10px;
}

.contact-box p {
    margin: 0;

    color: var(--text-gray);
}

.contact-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 15px;
}

.contact-phone {
    font-size: 25px;
    font-weight: 900;
}

/* =========================
   FOOTER
========================= */

.site-footer {
    background: var(--bg-dark);
    color: var(--white);
}

.footer-inner {
    min-height: 180px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;

    margin-bottom: 15px;
}

.footer-brand p {
    margin: 0;

    color: rgba(255, 255, 255, 0.6);

    font-size: 14px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 5px;

    text-align: right;
}

.footer-contact span {
    margin-bottom: 5px;

    color: var(--primary-orange);

    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);

    font-size: 14px;
}

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

.footer-bottom {
    padding: 20px 0;

    border-top: 1px solid rgba(255, 255, 255, 0.1);

    color: rgba(255, 255, 255, 0.45);

    font-size: 12px;
}

/* =========================
   MODAL
========================= */

.modal {
    position: fixed;
    inset: 0;

    z-index: 3000;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 25px;

    background: rgba(15, 20, 24, 0.75);

    opacity: 0;
    visibility: hidden;

    transition:
        opacity 0.2s ease,
        visibility 0.2s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    position: relative;

    width: min(650px, 100%);
    max-height: 90vh;

    overflow-y: auto;

    padding: 45px;

    background: var(--white);

    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);

    transform: translateY(20px);

    transition: transform 0.2s ease;
}

.modal.active .modal-box {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 18px;

    width: 40px;
    height: 40px;

    border: 0;

    background: transparent;

    color: var(--text-gray);

    font-size: 34px;
    line-height: 1;

    cursor: pointer;
}

.modal-header {
    margin-bottom: 30px;
}

.modal-header h2 {
    margin: 0 0 10px;

    font-size: 36px;
    line-height: 1.1;
}

.modal-header p {
    margin: 0;

    color: var(--text-gray);
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-group label {
    font-size: 13px;
    font-weight: 800;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;

    padding: 13px 14px;

    border: 1px solid var(--border-color);

    outline: none;

    background: var(--white);

    color: var(--text-dark);

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-orange);

    box-shadow: 0 0 0 3px rgba(242, 116, 5, 0.1);
}

.form-submit {
    width: 100%;

    margin-top: 5px;
}

/* =========================
   MOBILE BAR
========================= */

.mobile-call-bar {
    display: none;
}

/* =========================
   TABLET
========================= */

@media (max-width: 1100px) {

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

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

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

    .hero-text {
        padding-left: 35px;
        padding-right: 35px;
    }

}

/* =========================
   MOBILE MENU
========================= */

@media (max-width: 900px) {

    body {
        padding-bottom: 64px;
    }

    .header-inner {
        min-height: 68px;
    }

    .logo-mark {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 19px;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;

        top: 68px;
        right: 0;

        width: min(360px, 88vw);

        height: calc(100vh - 68px);

        padding: 30px;

        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;

        gap: 30px;

        background: var(--white);

        box-shadow: -15px 0 40px rgba(0, 0, 0, 0.1);

        transform: translateX(100%);

        transition: transform 0.25s ease;

        overflow-y: auto;
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }

    .nav-links a {
        padding: 15px 0;

        border-bottom: 1px solid var(--border-color);

        font-size: 16px;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-right {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .phone-link {
        text-align: center;
        font-size: 17px;
    }

    .nav-right .btn {
        width: 100%;
    }

    .hero-content {
        min-height: auto;

        grid-template-columns: 1fr;
    }

    .hero-text {
        padding: 70px 25px;
    }

    .hero-text h1 {
        font-size: clamp(40px, 11vw, 60px);
    }

    .hero-image {
        min-height: 400px;
    }

    .section {
        padding: 70px 0;
    }

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

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

    .quote-info-grid {
        grid-template-columns: 1fr;
    }

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

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

    .cta-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 35px;
    }

    .contact-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 35px;
    }

    .contact-actions {
        align-items: flex-start;
    }

    .footer-inner {
        padding: 45px 0;

        flex-direction: column;
        align-items: flex-start;
    }

    .footer-contact {
        text-align: left;
    }

    .mobile-call-bar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;

        z-index: 2000;

        display: grid;
        grid-template-columns: 1fr 1fr;

        height: 64px;

        background: var(--bg-dark);

        box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.12);
    }

    .mobile-call-bar a {
        display: flex;
        align-items: center;
        justify-content: center;

        color: var(--white);

        font-size: 14px;
        font-weight: 800;
    }

    .mobile-call-bar a + a {
        background: var(--primary-orange);
    }

    .page-banner {
        min-height: 310px;
    }

    .page-banner-content {
        width: calc(100% - 30px);

        padding: 55px 15px;
    }

    .page-banner h1 {
        font-size: clamp(36px, 10vw, 55px);
    }

    .page-banner p {
        font-size: 16px;
    }

}

/* =========================
   SMALL MOBILE
========================= */

@media (max-width: 480px) {

    .container {
        width: min(100% - 28px, var(--container));
    }

    .header-inner {
        width: calc(100% - 28px);
    }

    .hero-text {
        padding: 55px 20px;
    }

    .hero-text h1 {
        font-size: 39px;
        letter-spacing: -1.5px;
    }

    .hero-text p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-image {
        min-height: 300px;
    }

    .service-card {
        padding: 27px;
    }

    .section-heading h2,
    .intro h2,
    .about-content h2,
    .quote-info h2,
    .contact-box h2 {
        font-size: 32px;
    }

    .page-banner {
        min-height: 280px;
    }

    .page-banner-content {
        padding: 45px 5px;
    }

    .page-banner h1 {
        font-size: 32px;
        letter-spacing: -1px;
    }

    .page-banner p {
        font-size: 15px;
    }

    .page-banner-label {
        font-size: 10px;
        padding: 6px 10px;
    }

    .works-table {
        min-width: 620px;
    }

    .works-table th,
    .works-table td {
        padding: 16px;
    }

    .quote-info-card {
        padding: 30px;
    }

    .quote-phone {
        font-size: 23px;
    }

    .contact-phone {
        font-size: 22px;
    }

    .modal {
        align-items: flex-end;
        padding: 0;
    }

    .modal-box {
        width: 100%;
        max-height: 92vh;

        padding: 35px 22px 25px;

        box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.2);
    }

    .modal-header h2 {
        font-size: 30px;
    }

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

    .cta-box {
        padding: 30px 25px;
    }

}