:root {
    --navy: #172B4D;
    --navy-dark: #101E35;
    --orange: #E87524;
    --orange-dark: #C85D15;
    --grey: #F1F3F5;
    --grey-dark: #D9DEE5;
    --text: #273244;
    --muted: #657184;
    --white: #FFFFFF;
    --border: #E0E5EB;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.7;
}

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

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

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

.container {
    width: min(1160px, 90%);
    margin: 0 auto;
}

.section {
    padding: 95px 0;
}

.eyebrow {
    color: var(--orange);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

h1,
h2,
h3 {
    line-height: 1.2;
    color: var(--navy);
}

h2 {
    font-size: clamp(30px, 4vw, 43px);
    letter-spacing: -1px;
}

p {
    color: var(--muted);
}

.btn {
    display: inline-block;
    padding: 14px 23px;
    border: 2px solid transparent;
    border-radius: 3px;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
    transition: 0.25s ease;
}

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

.btn-orange:hover {
    background: var(--orange-dark);
    border-color: var(--orange-dark);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.btn-dark:hover {
    background: var(--navy-dark);
    transform: translateY(-2px);
}

.btn-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.75);
}

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


/* HEADER */

.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
}

.brand-mark {
    width: 43px;
    height: 43px;
    background: var(--orange);
    color: var(--white);
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 15px;
    letter-spacing: -1px;
}

.brand strong {
    display: block;
    color: var(--navy);
    font-size: 17px;
    letter-spacing: 1.2px;
    line-height: 1.3;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 9px;
    letter-spacing: 3px;
    font-weight: 700;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 19px;
}

.main-nav a {
    font-size: 12px;
    font-weight: 700;
    color: var(--navy);
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--orange);
}

.nav-cta {
    background: var(--navy);
    color: var(--white);
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    transition: background 0.2s ease;
}

.nav-cta:hover {
    background: var(--orange);
}


/* HERO */

.hero {
    min-height: 620px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: var(--navy-dark);
    background-image:
        url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=2000&q=90");
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(16, 30, 53, 0.97) 0%,
        rgba(16, 30, 53, 0.82) 48%,
        rgba(16, 30, 53, 0.25) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 60px;
    padding-bottom: 60px;
}

.hero .eyebrow {
    color: #FFAB6E;
}

.hero h1 {
    color: var(--white);
    font-size: clamp(42px, 6vw, 72px);
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--orange);
}

.hero-text {
    max-width: 560px;
    color: #E0E5EB;
    font-size: 16px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.demo-note {
    margin-top: 30px;
    color: #D6DCE5;
    font-size: 11px;
}

.hero-label {
    position: absolute;
    bottom: 24px;
    right: 5%;
    z-index: 2;
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-label span {
    color: var(--orange);
    margin-right: 8px;
}


/* INTRO STRIP */

.intro-strip {
    background: var(--orange);
    padding: 30px 0;
}

.intro-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
}

.intro-strip .eyebrow {
    color: var(--navy-dark);
    margin-bottom: 5px;
}

.intro-strip h2 {
    font-size: clamp(23px, 3vw, 31px);
    color: var(--navy-dark);
}

.text-link {
    font-weight: 800;
    font-size: 13px;
    color: var(--navy-dark);
    white-space: nowrap;
}

.text-link span {
    margin-left: 6px;
}


/* ABOUT */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 75px;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 490px;
    object-fit: cover;
}

.image-caption {
    position: absolute;
    left: 0;
    bottom: 0;
    background: var(--navy);
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
}

.caption-line {
    height: 2px;
    width: 27px;
    background: var(--orange);
}

.about-content h2 {
    margin-bottom: 22px;
}

.about-content h2 span {
    color: var(--orange);
}

.about-content > p:not(.eyebrow) {
    margin-bottom: 15px;
    font-size: 14px;
}

.check-list {
    list-style: none;
    margin: 23px 0 27px;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--orange);
    font-weight: 900;
}


/* SECTION HEADINGS */

.section-heading {
    text-align: center;
    max-width: 690px;
    margin: 0 auto 48px;
}

.section-heading h2 {
    margin-bottom: 16px;
}

.section-heading > p:not(.eyebrow) {
    font-size: 14px;
}


/* SERVICES */

.services-section {
    background: var(--grey);
}

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

.service-card {
    position: relative;
    background: var(--white);
    padding: 32px 27px;
    border: 1px solid var(--border);
    border-bottom: 3px solid transparent;
    transition: 0.25s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-bottom-color: var(--orange);
    box-shadow: 0 15px 30px rgba(23, 43, 77, 0.08);
}

.service-number {
    position: absolute;
    top: 20px;
    right: 22px;
    color: #D9DEE5;
    font-size: 20px;
    font-weight: 800;
}

.service-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    background: #FFF0E5;
    color: var(--orange-dark);
    font-size: 27px;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 19px;
    margin-bottom: 13px;
}

.service-card p {
    font-size: 13px;
    margin-bottom: 22px;
}

.service-card a {
    color: var(--orange-dark);
    font-size: 12px;
    font-weight: 800;
}


/* FEATURE BANNER */

.feature-banner {
    position: relative;
    padding: 95px 0;
    background-color: var(--navy-dark);
    background-image:
        linear-gradient(
            90deg,
            rgba(16, 30, 53, 0.96),
            rgba(16, 30, 53, 0.73)
        ),
        url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1800&q=85");
    background-size: cover;
    background-position: center;
}

.feature-content {
    text-align: center;
}

.feature-content h2 {
    color: var(--white);
    font-size: clamp(34px, 5vw, 50px);
    margin-bottom: 20px;
}

.feature-content > p:not(.eyebrow) {
    color: #E0E5EB;
    max-width: 560px;
    margin: 0 auto 28px;
}


/* PROJECTS */

.section-heading-row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    text-align: left;
    max-width: none;
    gap: 35px;
}

.section-heading-row > div {
    flex: 1;
}

.section-heading-row > p {
    max-width: 360px;
    padding-bottom: 5px;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 22px;
}

.project-card {
    position: relative;
    min-height: 280px;
    overflow: hidden;
    background: var(--navy);
}

.project-large {
    grid-row: span 2;
    min-height: 580px;
}

.project-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(16, 30, 53, 0.94),
        rgba(16, 30, 53, 0.05) 75%
    );
}

.project-info {
    position: absolute;
    left: 25px;
    right: 20px;
    bottom: 25px;
    z-index: 2;
}

.project-info span {
    display: block;
    color: #FFAB6E;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.project-info h3 {
    color: var(--white);
    font-size: 23px;
}

.gallery-disclaimer {
    margin-top: 20px;
    font-size: 11px;
}


/* WHY CHOOSE US */

.why-section {
    background: var(--grey);
}

.why-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 90px;
    align-items: start;
}

.why-intro {
    margin: 22px 0 28px;
    font-size: 14px;
}

.why-list {
    border-top: 1px solid var(--grey-dark);
}

.why-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--grey-dark);
}

.why-item > span {
    color: var(--orange);
    font-size: 22px;
    font-weight: 900;
}

.why-item h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.why-item p {
    font-size: 13px;
}


/* PROCESS */

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.process-step {
    border-top: 3px solid var(--orange);
    padding-top: 22px;
}

.process-step > span {
    display: block;
    color: var(--orange);
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 22px;
}

.process-step h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.process-step p {
    font-size: 13px;
}


/* SAFETY */

.safety-section {
    background: var(--navy);
    padding: 48px 0;
}

.safety-inner {
    display: flex;
    align-items: center;
    gap: 28px;
}

.safety-symbol {
    width: 62px;
    height: 62px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    border: 2px solid var(--orange);
    color: var(--orange);
    font-size: 40px;
    font-weight: 300;
}

.safety-section .eyebrow {
    margin-bottom: 8px;
}

.safety-section h2 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: 12px;
}

.safety-section p:not(.eyebrow) {
    color: #D8DFE9;
    font-size: 13px;
    max-width: 850px;
}


/* FAQ */

.faq-section {
    background: var(--grey);
}

.faq-grid {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 80px;
    align-items: start;
}

.faq-intro > p:not(.eyebrow) {
    margin-top: 20px;
    font-size: 14px;
}

.faq-list details {
    background: var(--white);
    border: 1px solid var(--border);
    margin-bottom: 12px;
    padding: 19px 22px;
}

.faq-list summary {
    cursor: pointer;
    list-style: none;
    color: var(--navy);
    font-size: 14px;
    font-weight: 700;
    position: relative;
    padding-right: 30px;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: -4px;
    color: var(--orange);
    font-size: 23px;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list details p {
    margin-top: 15px;
    font-size: 13px;
}


/* QUOTE FORM */

.quote-section {
    background: var(--white);
}

.quote-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 75px;
    align-items: start;
}

.quote-content h2 {
    font-size: clamp(36px, 5vw, 50px);
    margin-bottom: 22px;
}

.quote-content > p:not(.eyebrow) {
    font-size: 14px;
}

.quote-note {
    margin-top: 28px;
    padding: 20px;
    background: var(--grey);
    border-left: 3px solid var(--orange);
}

.quote-note strong {
    color: var(--navy);
    font-size: 13px;
}

.quote-note p {
    margin-top: 6px;
    font-size: 12px;
}

.quote-form {
    padding: 32px;
    background: var(--grey);
    border: 1px solid var(--border);
}

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

.form-group {
    margin-bottom: 19px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--navy);
    font-size: 12px;
    font-weight: 800;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 14px;
    background: var(--white);
    color: var(--text);
    border: 1px solid var(--grey-dark);
    border-radius: 2px;
    outline: none;
    font-size: 13px;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 115px;
}

.form-submit {
    width: 100%;
}

#form-message {
    margin-top: 15px;
    font-size: 13px;
    font-weight: 700;
}


/* CONTACT */

.contact-section {
    background: var(--grey);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.contact-card {
    padding: 28px 20px;
    background: var(--white);
    border: 1px solid var(--border);
    text-align: center;
}

.contact-icon {
    display: inline-grid;
    place-items: center;
    width: 45px;
    height: 45px;
    background: #FFF0E5;
    color: var(--orange-dark);
    font-size: 24px;
    margin-bottom: 15px;
}

.contact-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
}

.contact-card p {
    font-size: 13px;
    margin-bottom: 7px;
}

.contact-card small {
    color: var(--muted);
    font-size: 10px;
}

.map-placeholder {
    min-height: 220px;
    margin-top: 28px;
    display: grid;
    place-items: center;
    padding: 30px;
    text-align: center;
    background:
        linear-gradient(rgba(23, 43, 77, 0.88), rgba(23, 43, 77, 0.88)),
        repeating-linear-gradient(
            45deg,
            #D9DEE5,
            #D9DEE5 1px,
            #E8EBEF 1px,
            #E8EBEF 30px
        );
}

.map-placeholder h3 {
    color: var(--white);
    margin: 10px 0;
}

.map-placeholder p {
    max-width: 480px;
    color: #E0E5EB;
    font-size: 13px;
}

.map-pin {
    color: var(--orange);
    font-size: 35px;
}


/* FOOTER */

.site-footer {
    background: var(--navy-dark);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
    padding-top: 35px;
    padding-bottom: 35px;
}

.footer-brand .brand strong {
    color: var(--white);
}

.footer-brand .brand small {
    color: #CFD6E1;
}

.footer-top > p {
    color: #CFD6E1;
    font-size: 12px;
}

.back-to-top {
    color: var(--orange);
    font-size: 12px;
    font-weight: 800;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 18px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.footer-bottom p {
    color: #BFC8D6;
    font-size: 11px;
}

.footer-bottom strong {
    color: var(--white);
}


/* TABLET */

@media (max-width: 1000px) {
    .nav-container {
        flex-wrap: wrap;
        padding-top: 15px;
        padding-bottom: 15px;
    }

    .main-nav {
        order: 3;
        width: 100%;
        flex-wrap: wrap;
        gap: 18px;
    }

    .about-grid {
        gap: 40px;
    }

    .why-grid,
    .faq-grid,
    .quote-grid {
        gap: 40px;
    }

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

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 35px;
    }
}


/* MOBILE */

@media (max-width: 650px) {
    .section {
        padding: 65px 0;
    }

    .nav-container {
        gap: 14px;
    }

    .brand strong {
        font-size: 15px;
    }

    .nav-cta {
        padding: 10px 12px;
        font-size: 11px;
    }

    .main-nav {
        gap: 10px 17px;
    }

    .main-nav a {
        font-size: 11px;
    }

    .hero {
        min-height: 560px;
        background-position: 60% center;
    }

    .hero-overlay {
        background: rgba(16, 30, 53, 0.82);
    }

    .hero h1 {
        font-size: 43px;
        letter-spacing: -1.5px;
    }

    .hero-text {
        font-size: 14px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        max-width: 300px;
    }

    .hero-label {
        font-size: 9px;
    }

    .intro-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .about-grid,
    .why-grid,
    .faq-grid,
    .quote-grid {
        grid-template-columns: 1fr;
    }

    .about-image img {
        height: 330px;
    }

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

    .section-heading-row {
        display: block;
    }

    .section-heading-row > p {
        margin-top: 15px;
    }

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

    .project-large {
        grid-row: auto;
        min-height: 350px;
    }

    .project-card {
        min-height: 280px;
    }

    .process-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px 20px;
    }

    .safety-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .quote-form {
        padding: 22px 16px;
    }

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

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

    .footer-top,
    .footer-bottom-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}