@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --navy: #08182b;
    --navy2: #0f2742;
    --orange: #f5821f;
    --cream: #f6f4ef;
    --ink: #1c2b37;
    --muted: #6d7880;
    --line: #d7ddd9;
    --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
}

body,
button,
input,
select,
textarea,
p,
span,
a,
label {
    font-family: var(--font-body);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--cream);
    font-size: 0.92rem;
    line-height: 1.6;
}

.shell {
    width: min(1180px, calc(100% - 40px));
    margin: auto;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 9999;
    background: transparent;
    color: white;
    box-shadow: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                backdrop-filter 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header:not(.scrolled) {
    background: linear-gradient(180deg, rgba(6, 18, 33, 0.65) 0%, rgba(6, 18, 33, 0.15) 60%, transparent 100%);
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.site-header.scrolled {
    background: #08182b;
    box-shadow: 0 4px 25px rgba(0, 10, 25, 0.4);
    border-bottom-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.utility {
    font-size: .72rem;
    border-bottom: 1px solid #ffffff33
}

.utility .shell {
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.utility a {
    color: #fff;
    text-decoration: none
}

.nav-wrap {
    height: 83px;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.brand {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 9px;
    font: 700 .96rem/1 var(--font-heading);
    letter-spacing: .02em
}

.brand b {
    color: var(--orange)
}

.brand small {
    display: block;
    font-size: .48rem;
    letter-spacing: .23em;
    margin-top: 4px
}

.brand-mark {
    width: 38px;
    height: 38px;
    border: 2px solid var(--orange);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--orange);
    font-size: 1.35rem;
    font-style: italic
}

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

nav>a {
    color: white;
    text-decoration: none;
    text-transform: uppercase;
    font-family: var(--font-heading);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: .07em;
    position: relative
}

nav>a:not(.nav-cta):after {
    content: "";
    position: absolute;
    height: 1px;
    background: var(--orange);
    left: 0;
    bottom: -6px;
    width: 0;
    transition: .25s
}

nav>a:hover:after {
    width: 100%
}

.nav-cta,
.button {
    background: var(--orange);
    color: #fff;
    padding: 11px 18px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: .06em;
    font-size: 0.62rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: .25s
}

.nav-cta:hover,
.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 9px 20px #0003
}

.menu-toggle {
    display: none;
    background: none;
    border: 0
}

.hero {
    min-height: 700px;
    height: 100svh;
    padding-top: 80px;
    position: relative;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
}

.hero-image,
.ports-photo {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #081525e9 0%, #081525a8 48%, #0815253d), url("https://images.unsplash.com/photo-1494412519320-0f85c0f21532?auto=format&fit=crop&w=2000&q=90") center/cover
}

.hero-content {
    position: relative;
    padding-top: 0
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .15em;
    font-size: .76rem;
    font-weight: 700;
    margin: 0 0 16px;
    color: #dce3e7
}

.eyebrow.orange {
    color: var(--orange)
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin: 0
}

h1 {
    font-size: clamp(2.35rem, 4.2vw, 3.25rem);
    letter-spacing: -0.02em;
    font-weight: 800;
}

h1 em {
    font-style: normal;
    color: var(--orange);
}

.hero-copy {
    max-width: 620px;
    color: #edf0f1;
    font-size: clamp(1.05rem, 1.35vw, 1.18rem);
    line-height: 1.68;
    margin: 18px 0 28px;
}

.scroll-cue {
    position: absolute;
    bottom: 26px;
    left: calc((100% - min(1180px, calc(100% - 40px)))/2);
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: .61rem;
    letter-spacing: .13em;
    display: flex;
    gap: 12px;
    align-items: center
}

.scroll-cue span {
    width: 28px;
    height: 1px;
    background: var(--orange)
}

.section {
    padding: 105px 0
}

.split-intro,
.split-refining {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8vw;
    align-items: center
}

.intro h2,
.section-heading h2,
.detail-services h2,
.refining h2,
.why h2,
.contact h2 {
    font-size: clamp(1.55rem, 2.6vw, 2.1rem);
    letter-spacing: -0.02em;
    line-height: 1.25;
    font-weight: 700
}

.intro-copy>p:not(.eyebrow),
.refining p:not(.eyebrow) {
    color: var(--muted);
    max-width: 510px
}

.text-link {
    display: inline-flex;
    gap: 12px;
    align-items: center;
    color: var(--orange);
    text-transform: uppercase;
    font-size: .7rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: .08em;
    margin-top: 10px
}

.image-collage {
    min-height: 440px;
    position: relative
}

.image-collage figure {
    margin: 0;
    overflow: hidden
}

.image-collage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s
}

.image-collage figure:hover img {
    transform: scale(1.07)
}

.collage-large {
    width: 72%;
    height: 410px
}

.collage-small {
    width: 45%;
    height: 210px;
    position: absolute;
    right: 0;
    bottom: 0;
    border: 12px solid var(--cream)
}

.collage-note {
    position: absolute;
    left: -24px;
    bottom: 30px;
    background: var(--orange);
    color: #fff;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    gap: 10px
}

.collage-note strong {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 800;
}

.collage-note span {
    font-size: .68rem;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: .06em
}

.stats {
    background: var(--navy);
    color: white
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
    padding: 42px 0
}

.stats-grid>div+div {
    border-left: 1px solid #ffffff2e
}

.stats strong {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.2vw, 2.3rem);
    font-weight: 800;
    display: block;
    color: var(--orange)
}

.stats span {
    text-transform: uppercase;
    font-size: .65rem;
    letter-spacing: .12em
}

.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    align-items: end;
    margin-bottom: 48px
}

.section-heading>p {
    max-width: 350px;
    color: var(--muted);
    margin: 0
}

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

.advantage {
    padding: 32px 28px;
    background: #fff;
    border: 1px solid #e2e3df;
    transition: .3s
}

.advantage:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 35px #14283c18
}

.icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff2e5;
    color: var(--orange);
    font-size: 1.55rem;
    display: grid;
    place-items: center
}

.advantage h3 {
    font-size: 1.2rem;
    margin: 22px 0 9px
}

.advantage p {
    color: var(--muted);
    font-size: .9rem;
    margin: 0
}

.services {
    background: var(--navy);
    color: #fff
}

.section-heading.light h2 {
    color: #fff
}

.button-light {
    background: #fff;
    color: var(--navy)
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px
}

.service-card {
    overflow: hidden;
    background: #18324c
}

.service-card img {
    height: 280px;
    width: 100%;
    object-fit: cover;
    display: block;
    transition: .5s
}

.service-card:hover img {
    transform: scale(1.08)
}

.service-card>div {
    padding: 18px 18px 20px
}

.service-card span {
    font-size: .68rem;
    color: var(--orange);
    font-weight: bold
}

.service-card h3 {
    font-size: 1.05rem;
    margin: 7px 0 18px
}

.service-card a {
    color: white;
    text-decoration: none;
    text-transform: uppercase;
    font-size: .63rem;
    letter-spacing: .09em
}

.service-card a b {
    color: var(--orange);
    font-size: 1rem;
    margin-left: 8px
}

.details-list {
    margin-top: 45px;
    border-top: 1px solid var(--line)
}

details {
    border-bottom: 1px solid var(--line);
    padding: 21px 0
}

summary {
    list-style: none;
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    font-weight: 700;
    cursor: pointer
}

summary::-webkit-details-marker {
    display: none
}

summary span {
    font-family: var(--font-body);
    font-size: .75rem;
    font-weight: 700;
    color: var(--orange);
    margin-right: 24px
}

summary b {
    margin-left: auto;
    color: var(--orange)
}

details[open] summary b {
    transform: rotate(45deg)
}

details p {
    margin: 13px 42px 0;
    max-width: 650px;
    color: var(--muted)
}

.ports {
    min-height: 650px;
    position: relative;
    color: white;
    display: flex;
    align-items: center
}

.ports-photo {
    background-image: linear-gradient(90deg, #081525ee, #08152581 65%, #08152534), url("https://images.unsplash.com/photo-1530062845289-9109b2c9c868?auto=format&fit=crop&w=2000&q=85")
}

.ports-content {
    position: relative;
    padding: 90px 0
}

.ports-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.85rem, 3.2vw, 2.45rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -.02em;
    margin-bottom: 18px;
}

.ports-content>p:not(.eyebrow) {
    font-family: var(--font-body);
    font-size: clamp(1.04rem, 1.28vw, 1.15rem);
    line-height: 1.7;
    max-width: 620px;
    color: #dce4ea;
    margin-bottom: 24px;
}

.port-tags {
    display: flex;
    max-width: 550px;
    gap: 8px;
    flex-wrap: wrap;
    margin: 30px 0
}

.port-tags span {
    border: 1px solid #ffffff77;
    padding: 7px 11px;
    text-transform: uppercase;
    font-size: .63rem;
    letter-spacing: .08em
}

.white {
    color: #fff
}

.refining {
    background: #fff
}

.refining-visual {
    position: relative;
    height: 480px
}

.refining-visual img,
.why-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.visual-label {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--orange);
    padding: 18px 24px;
    color: #fff;
    font: 700 .75rem/1.3 var(--font-heading);
    letter-spacing: .1em
}

.expertise {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 28px 0
}

.expertise span {
    border-top: 1px solid var(--line);
    padding: 12px 0;
    font-size: .81rem;
    font-weight: 700
}

.why {
    padding-top: 0
}

.why-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 8vw;
    margin-top: 45px;
    align-items: center
}

.why-photo {
    height: 510px
}

.why-list article {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-top: 1px solid var(--line)
}

.why-list article:last-child {
    border-bottom: 1px solid var(--line)
}

.why-list span {
    font-size: .72rem;
    color: var(--orange);
    font-weight: bold
}

.why-list h3 {
    font-size: 1.15rem
}

.why-list p {
    color: var(--muted);
    font-size: .9rem;
    margin: 7px 0 0
}

.contact {
    background: var(--orange);
    color: white;
    padding: 90px 0
}

.contact-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 9vw
}

.contact .eyebrow {
    color: #fff
}

.contact-copy>p:not(.eyebrow) {
    color: #fff8
}

.contact-details {
    margin-top: 34px
}

.contact-details>* {
    color: white;
    display: block;
    text-decoration: none;
    margin: 15px 0;
    font-size: .9rem
}

.contact-details small {
    display: block;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: .62rem;
    font-weight: 700;
    color: #fff9;
    margin-bottom: 2px
}

.quote-form {
    background: #fff;
    color: var(--ink);
    padding: 34px
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 17px
}

label {
    font-size: .67rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-weight: bold;
    display: block;
    margin-bottom: 18px
}

input,
select,
textarea {
    display: block;
    width: 100%;
    border: 0;
    border-bottom: 1px solid #ced4d1;
    padding: 10px 0;
    background: transparent;
    font: 400 .87rem var(--font-body);
    outline: none;
    color: var(--ink)
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--orange)
}

textarea {
    resize: vertical;
    min-height: 72px
}

.quote-form .button {
    margin-top: 5px
}

.form-message {
    font-size: .8rem;
    color: #237b54;
    margin: 12px 0 0;
    min-height: 1.2em
}

footer {
    background: #071422;
    color: #d9e0e3;
    padding: 62px 0 20px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr .7fr 1fr;
    gap: 60px
}

.footer-brand {
    color: white
}

.footer-grid>div>p {
    font-size: .85rem;
    color: #9ba6ad
}

.footer-grid h4 {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--orange);
    margin-bottom: 15px
}

.footer-grid>div:not(:first-child) a {
    display: block;
    color: #d9e0e3;
    text-decoration: none;
    font-size: .85rem;
    margin: 6px 0
}

.copyright {
    border-top: 1px solid #ffffff1e;
    margin-top: 45px;
    padding-top: 19px;
    font-size: .71rem;
    color: #94a0a8;
    display: flex;
    justify-content: space-between
}

.copyright a {
    color: #fff;
    text-decoration: none
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: .7s ease
}

.reveal.visible {
    opacity: 1;
    transform: none
}

@media(max-width:800px) {
    .utility {
        display: none
    }

    .nav-wrap {
        height: 68px
    }

    nav {
        position: fixed;
        inset: 0 0 0 20%;
        background: var(--navy);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: 105px 35px;
        transform: translateX(100%);
        transition: .35s
    }

    nav.open {
        transform: none
    }

    nav>a {
        font-size: .9rem
    }

    .menu-toggle {
        display: grid;
        gap: 5px;
        padding: 10px;
        z-index: 2
    }

    .menu-toggle i {
        width: 25px;
        height: 2px;
        background: white;
        display: block
    }

    .hero {
        min-height: calc(600px - 68px);
        padding: 40px 0;
    }

    .hero-content {
        padding-top: 0
    }

    .scroll-cue {
        left: 20px
    }

    .section {
        padding: 72px 0
    }

    .split-intro,
    .split-refining,
    .contact-grid,
    .why-grid {
        grid-template-columns: 1fr;
        gap: 45px
    }

    .image-collage {
        min-height: 380px
    }

    .section-heading {
        display: block
    }

    .section-heading>p {
        margin-top: 20px
    }

    .advantage-grid {
        grid-template-columns: 1fr
    }

    .service-grid {
        grid-template-columns: 1fr 1fr
    }

    .service-card img {
        height: 210px
    }

    .refining-visual {
        height: 380px
    }

    .why {
        padding-top: 0
    }

    .why-photo {
        height: 350px
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px
    }

    .footer-grid>div:first-child {
        grid-column: span 2
    }
}

@media(max-width:480px) {
    .shell {
        width: min(100% - 30px, 1180px)
    }

    h1 {
        font-size: 2.1rem
    }

    .hero-copy {
        font-size: .92rem
    }

    .collage-note {
        left: 0
    }

    .stats-grid {
        padding: 26px 0
    }

    .stats strong {
        font-size: 1.5rem
    }

    .stats span {
        font-size: .5rem
    }

    .service-grid {
        grid-template-columns: 1fr
    }

    .service-card img {
        height: 235px
    }

    .section-heading h2,
    .detail-services h2,
    .refining h2,
    .why h2,
    .contact h2 {
        font-size: 1.6rem
    }

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

    .quote-form {
        padding: 25px 20px
    }

    .footer-grid {
        grid-template-columns: 1fr
    }

    .footer-grid>div:first-child {
        grid-column: auto
    }

    .copyright {
        display: block;
        line-height: 2.2
    }

    .ports {
        min-height: 560px
    }
}