﻿/* =========================================================
   DATA CENTER SUPPLY
   Main Stylesheet
========================================================= */


/* =========================================================
   VARIABLES
========================================================= */

:root {
    --navy-950: #050b14;
    --navy-900: #07111f;
    --navy-850: #091827;
    --navy-800: #0b1e30;
    --navy-700: #12334d;
    --blue-600: #0077c8;
    --blue-500: #0099e6;
    --blue-400: #20b7ff;
    --blue-300: #71d1ff;
    --cyan: #43e0ff;
    --white: #ffffff;
    --off-white: #f5f8fb;
    --gray-100: #edf2f6;
    --gray-200: #dce5ec;
    --gray-300: #b8c6d1;
    --gray-500: #738595;
    --gray-700: #35495a;
    --gray-900: #132332;
    --border-dark: rgba(255, 255, 255, 0.11);
    --border-blue: rgba(32, 183, 255, 0.28);
    --shadow: 0 24px 70px rgba(3, 14, 25, 0.16);
    --max-width: 1280px;
    --transition: 0.25s ease;
}


/* =========================================================
   RESET / BASE
========================================================= */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

ul {
    list-style: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.container {
    width: min( calc(100% - 48px), var(--max-width) );
    margin: 0 auto;
}


/* =========================================================
   BUTTONS
========================================================= */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 25px;
    border: 1px solid transparent;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

    .button:hover {
        transform: translateY(-2px);
    }

.button--primary {
    color: var(--white);
    background: linear-gradient( 135deg, var(--blue-600), var(--blue-400) );
    box-shadow: 0 12px 35px rgba(0, 153, 230, 0.22);
}

    .button--primary:hover {
        background: linear-gradient( 135deg, var(--blue-500), var(--cyan) );
    }

.button--outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.03);
}

    .button--outline:hover {
        border-color: var(--blue-400);
        background: rgba(32, 183, 255, 0.08);
    }

.button--header {
    min-height: 42px;
    padding: 0 20px;
    color: var(--white);
    border-color: var(--blue-400);
}

    .button--header:hover {
        background: var(--blue-500);
        border-color: var(--blue-500);
    }

.button--large {
    min-height: 56px;
    padding: 0 32px;
}


/* =========================================================
   HEADER
========================================================= */

.site-header {
    position: absolute;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    border-bottom: 1px solid var(--border-dark);
    background: rgba(5, 11, 20, 0.76);
    backdrop-filter: blur(12px);
}

.site-header__inner {
    width: min( calc(100% - 48px), var(--max-width) );
    min-height: 82px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 36px;
}


/* =========================================================
   BRAND
========================================================= */

.brand {
    display: inline-flex;
    align-items: center;
    gap: 13px;
    flex-shrink: 0;
}

.brand__mark {
    position: relative;
    width: 38px;
    height: 38px;
    border: 2px solid var(--blue-400);
    transform: rotate(45deg);
}

    .brand__mark::before,
    .brand__mark::after {
        content: "";
        position: absolute;
        background: var(--blue-400);
    }

    .brand__mark::before {
        top: 7px;
        bottom: 7px;
        left: 50%;
        width: 2px;
        transform: translateX(-50%);
    }

    .brand__mark::after {
        left: 7px;
        right: 7px;
        top: 50%;
        height: 2px;
        transform: translateY(-50%);
    }

.brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand__data {
    color: var(--white);
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.13em;
}

.brand__supply {
    margin-top: 5px;
    color: var(--blue-400);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.42em;
}


/* =========================================================
   NAVIGATION
========================================================= */

.main-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 29px;
}

    .main-nav a {
        position: relative;
        color: rgba(255, 255, 255, 0.72);
        font-size: 0.82rem;
        font-weight: 600;
        transition: color var(--transition);
    }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 0;
            height: 2px;
            background: var(--blue-400);
            transition: width var(--transition);
        }

        .main-nav a:hover {
            color: var(--white);
        }

            .main-nav a:hover::after {
                width: 100%;
            }


/* =========================================================
   HERO
========================================================= */

.hero {
    position: relative;
    min-height: 790px;
    overflow: hidden;
    color: var(--white);
    background: radial-gradient( circle at 72% 48%, rgba(0, 119, 200, 0.20), transparent 32% ), linear-gradient( 115deg, #040a12 0%, #071321 48%, #091d2e 100% );
}

.hero__grid,
.cooling-path__grid {
    position: absolute;
    inset: 0;
    opacity: 0.13;
    background-image: linear-gradient( rgba(66, 195, 255, 0.25) 1px, transparent 1px ), linear-gradient( 90deg, rgba(66, 195, 255, 0.25) 1px, transparent 1px );
    background-size: 54px 54px;
    mask-image: linear-gradient( to bottom, black, transparent 90% );
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    pointer-events: none;
}

.hero__glow--one {
    width: 520px;
    height: 520px;
    top: 120px;
    right: -210px;
    background: radial-gradient( circle, rgba(32, 183, 255, 0.16), transparent 68% );
}

.hero__glow--two {
    width: 300px;
    height: 300px;
    bottom: 40px;
    left: -120px;
    background: radial-gradient( circle, rgba(0, 119, 200, 0.12), transparent 70% );
}

.hero__inner {
    position: relative;
    z-index: 2;
    min-height: 735px;
    padding-top: 135px;
    padding-bottom: 85px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(390px, 0.9fr);
    align-items: center;
    gap: 70px;
}

.hero__content {
    max-width: 730px;
}

.eyebrow {
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--blue-300);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
}

.eyebrow__line {
    width: 42px;
    height: 2px;
    background: var(--blue-400);
}

.hero h1 {
    max-width: 780px;
    font-size: clamp( 3.4rem, 5.5vw, 5.8rem );
    line-height: 0.98;
    letter-spacing: -0.055em;
    font-weight: 750;
}

    .hero h1 span {
        display: block;
        margin-top: 10px;
        color: var(--blue-300);
        font-weight: 300;
    }

.hero__lead {
    max-width: 650px;
    margin-top: 29px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 1.08rem;
    line-height: 1.8;
}

.hero__actions {
    margin-top: 37px;
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.hero__stats {
    margin-top: 56px;
    padding-top: 26px;
    display: flex;
    gap: 0;
    border-top: 1px solid var(--border-dark);
}

.hero-stat {
    min-width: 145px;
    padding-right: 30px;
    margin-right: 30px;
    border-right: 1px solid var(--border-dark);
}

    .hero-stat:last-child {
        border-right: 0;
    }

    .hero-stat strong {
        display: block;
        margin-bottom: 3px;
        color: var(--blue-400);
        font-size: 0.72rem;
        letter-spacing: 0.13em;
    }

    .hero-stat span {
        color: rgba(255, 255, 255, 0.62);
        font-size: 0.78rem;
    }


/* =========================================================
   HERO COOLING ORBIT
========================================================= */

.hero__visual {
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cooling-orbit {
    position: relative;
    width: min(450px, 100%);
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

    .cooling-orbit::before {
        content: "";
        position: absolute;
        width: 88%;
        height: 88%;
        border-radius: 50%;
        background: radial-gradient( circle, rgba(32, 183, 255, 0.13), transparent 65% );
    }

.cooling-orbit__ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(32, 183, 255, 0.24);
}

.cooling-orbit__ring--one {
    width: 100%;
    height: 100%;
}

.cooling-orbit__ring--two {
    width: 77%;
    height: 77%;
    border-style: dashed;
}

.cooling-orbit__ring--three {
    width: 54%;
    height: 54%;
    border-color: rgba(67, 224, 255, 0.42);
}

.cooling-core {
    position: relative;
    z-index: 3;
    width: 195px;
    height: 195px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px solid rgba(67, 224, 255, 0.5);
    background: linear-gradient( 145deg, rgba(12, 40, 62, 0.92), rgba(4, 15, 26, 0.96) );
    box-shadow: 0 0 70px rgba(32, 183, 255, 0.18), inset 0 0 35px rgba(32, 183, 255, 0.06);
    transform: rotate(45deg);
}

    .cooling-core > * {
        transform: rotate(-45deg);
    }

.cooling-core__small {
    margin-bottom: 9px;
    color: var(--blue-300);
    font-size: 0.52rem;
    font-weight: 700;
    letter-spacing: 0.16em;
}

.cooling-core strong {
    color: var(--white);
    font-size: 1.45rem;
    line-height: 1.05;
    letter-spacing: 0.04em;
}

.cooling-core__status {
    margin-top: 11px;
    color: var(--cyan);
    font-size: 0.49rem;
    letter-spacing: 0.2em;
}

.orbit-point {
    position: absolute;
    z-index: 4;
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-blue);
    border-radius: 50%;
    color: var(--blue-300);
    background: var(--navy-900);
    box-shadow: 0 0 22px rgba(32, 183, 255, 0.12);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

    .orbit-point::after {
        content: "";
        position: absolute;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--cyan);
        box-shadow: 0 0 10px var(--cyan);
    }

.orbit-point--one {
    top: 4%;
    left: 44%;
}

.orbit-point--two {
    right: 2%;
    top: 46%;
}

.orbit-point--three {
    bottom: 5%;
    left: 46%;
}

.orbit-point--four {
    left: 1%;
    top: 44%;
}

.orbit-point--one::after {
    bottom: -4px;
}

.orbit-point--two::after {
    left: -4px;
}

.orbit-point--three::after {
    top: -4px;
}

.orbit-point--four::after {
    right: -4px;
}


/* =========================================================
   HERO BOTTOM BAR
========================================================= */

.hero__bottom-line {
    position: absolute;
    z-index: 3;
    bottom: 0;
    left: 0;
    width: 100%;
    border-top: 1px solid var(--border-dark);
    background: rgba(3, 10, 18, 0.55);
}

.hero__bottom-inner {
    min-height: 55px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

    .hero__bottom-inner span {
        position: relative;
        padding-left: 15px;
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.63rem;
        font-weight: 700;
        letter-spacing: 0.15em;
    }

        .hero__bottom-inner span::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--blue-400);
            transform: translateY(-50%);
        }


/* =========================================================
   GENERIC SECTIONS
========================================================= */

.section {
    position: relative;
    padding: 115px 0;
}

.section-heading {
    max-width: 700px;
    margin-bottom: 55px;
}

.section-heading--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-heading__eyebrow {
    display: block;
    margin-bottom: 15px;
    color: var(--blue-600);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.section-heading h2,
.product-section__content h2,
.contact-panel h2 {
    color: var(--gray-900);
    font-size: clamp( 2.25rem, 4vw, 3.65rem );
    line-height: 1.08;
    letter-spacing: -0.04em;
}

    .section-heading h2 span,
    .product-section__content h2 span,
    .contact-panel h2 span {
        color: var(--blue-600);
        font-weight: 300;
    }

.section-heading p {
    margin-top: 22px;
    color: var(--gray-500);
    font-size: 1rem;
    line-height: 1.8;
}


/* =========================================================
   SOLUTIONS
========================================================= */

.solutions {
    background: linear-gradient( to bottom, var(--white), var(--off-white) );
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.solution-card {
    position: relative;
    min-height: 510px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    background: var(--white);
    box-shadow: 0 10px 35px rgba(15, 38, 56, 0.05);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

    .solution-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient( 90deg, var(--blue-600), var(--cyan) );
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition);
    }

    .solution-card:hover {
        transform: translateY(-7px);
        border-color: rgba(0, 153, 230, 0.35);
        box-shadow: 0 22px 55px rgba(15, 38, 56, 0.11);
    }

        .solution-card:hover::before {
            transform: scaleX(1);
        }

.solution-card__icon {
    height: 120px;
    display: flex;
    align-items: center;
}

.solution-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.tech-icon {
    position: relative;
    display: block;
    width: 76px;
    height: 76px;
}

.tech-icon--hose {
    border: 8px solid var(--blue-500);
    border-left-color: transparent;
    border-radius: 50%;
    transform: rotate(-25deg);
}

    .tech-icon--hose::after {
        content: "";
        position: absolute;
        width: 23px;
        height: 10px;
        right: -18px;
        bottom: 0;
        border: 3px solid var(--gray-700);
    }

.tech-icon--connection::before,
.tech-icon--connection::after {
    content: "";
    position: absolute;
    top: 29px;
    width: 31px;
    height: 18px;
    border: 4px solid var(--blue-500);
}

.tech-icon--connection::before {
    left: 0;
}

.tech-icon--connection::after {
    right: 0;
}

.tech-icon--connection {
    border-left: 4px solid var(--gray-700);
    border-right: 4px solid var(--gray-700);
}

.tech-icon--seal {
    border: 10px solid var(--blue-500);
    border-radius: 50%;
}

    .tech-icon--seal::after {
        content: "";
        position: absolute;
        inset: 13px;
        border: 2px solid var(--gray-300);
        border-radius: 50%;
    }

    .tech-icon--cut {
        position: relative;
        width: 76px;
        height: 76px;
        border: 3px solid var(--blue-500);
    }

    .tech-icon--cut::before {
        content: "";
        position: absolute;
        width: 42px;
        height: 42px;
        top: 14px;
        left: 14px;
        border: 3px solid var(--gray-700);
        transform: rotate(45deg);
    }

    .tech-icon--cut::after {
        content: "";
        position: absolute;
        width: 18px;
        height: 18px;
        top: 26px;
        left: 26px;
        background: var(--blue-500);
    }

.solution-card__label {
    display: block;
    margin-bottom: 8px;
    color: var(--blue-600);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.15em;
}

.solution-card h3 {
    margin-bottom: 17px;
    color: var(--gray-900);
    font-size: 1.55rem;
    line-height: 1.2;
}

.solution-card p {
    color: var(--gray-500);
    font-size: 0.91rem;
    line-height: 1.75;
}

.solution-card ul {
    margin-top: 22px;
}

.solution-card li {
    position: relative;
    margin: 8px 0;
    padding-left: 17px;
    color: var(--gray-700);
    font-size: 0.83rem;
}

    .solution-card li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 9px;
        width: 5px;
        height: 5px;
        background: var(--blue-500);
    }

.solution-card a {
    margin-top: auto;
    padding-top: 24px;
    color: var(--blue-600);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

    .solution-card a span {
        margin-left: 7px;
        transition: margin var(--transition);
    }

    .solution-card a:hover span {
        margin-left: 12px;
    }


/* =========================================================
   COOLING PATH
========================================================= */

.cooling-path {
    overflow: hidden;
    color: var(--white);
    background: radial-gradient( circle at 50% 120%, rgba(0, 153, 230, 0.18), transparent 42% ), var(--navy-900);
}

.section-heading--light h2 {
    color: var(--white);
}

    .section-heading--light h2 span {
        color: var(--blue-300);
    }

.section-heading--light p {
    color: rgba(255, 255, 255, 0.58);
}

.section-heading--light .section-heading__eyebrow {
    color: var(--blue-300);
}

.cooling-path .container {
    position: relative;
    z-index: 2;
}

.cooling-path__subheading {
    margin-top: 14px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

    .cooling-path__subheading::before {
        content: "—";
        margin-right: 10px;
        color: var(--blue-400);
    }

.flow-system {
    display: grid;
    grid-template-columns: 1fr 42px 1fr 42px 1fr 42px 1fr 42px 1fr;
    align-items: center;
}

.flow-step {
    min-width: 0;
    align-self: start;
}

.flow-step__marker {
    width: 44px;
    height: 44px;
    margin-bottom: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--blue-400);
    color: var(--blue-300);
    background: rgba(32, 183, 255, 0.06);
    font-size: 0.64rem;
    font-weight: 800;
}

.flow-step__content span {
    display: block;
    margin-bottom: 6px;
    color: var(--blue-300);
    font-size: 0.54rem;
    font-weight: 800;
    letter-spacing: 0.11em;
}

.flow-step__content strong {
    display: block;
    color: var(--white);
    font-size: 1.15rem;
}

.flow-step__content p {
    margin-top: 9px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.76rem;
    line-height: 1.6;
}

.flow-connector {
    position: relative;
    height: 2px;
    margin: 0 10px;
    background: linear-gradient( 90deg, rgba(32, 183, 255, 0.2), var(--blue-400), rgba(32, 183, 255, 0.2) );
}

    .flow-connector::after {
        content: "";
        position: absolute;
        top: 50%;
        right: -1px;
        width: 7px;
        height: 7px;
        border-top: 2px solid var(--blue-400);
        border-right: 2px solid var(--blue-400);
        transform: translateY(-50%) rotate(45deg);
    }

/* =========================================================
   SYSTEM-WIDE SEALING
========================================================= */

.sealing-system {
    position: relative;
    margin-top: 38px;
    padding-top: 24px;
}

.sealing-system__line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient( 90deg, transparent, rgba(32, 183, 255, 0.55) 10%, rgba(32, 183, 255, 0.55) 90%, transparent );
}

    .sealing-system__line::before,
    .sealing-system__line::after {
        content: "";
        position: absolute;
        top: -3px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--cyan);
        box-shadow: 0 0 10px rgba(67, 224, 255, 0.8);
    }

    .sealing-system__line::before {
        left: 10%;
    }

    .sealing-system__line::after {
        right: 10%;
    }

.sealing-system__content {
    width: 94%;
    margin-left: auto;
    margin-right: auto;
    display: grid;
    grid-template-columns: 35px minmax(300px, 1fr) auto;
    align-items: center;
    gap: 22px;
    padding: 23px 28px;
    border: 1px solid rgba(32, 183, 255, 0.18);
    background: linear-gradient( 90deg, rgba(32, 183, 255, 0.07), rgba(32, 183, 255, 0.02) );
}

.sealing-system__marker {
    color: var(--white);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
}

.sealing-system__text > span {
    display: block;
    margin-bottom: 4px;
    color: var(--blue-300);
    font-size: 0.54rem;
    font-weight: 800;
    letter-spacing: 0.11em;
}

.sealing-system__text strong {
    display: block;
    color: var(--white);
    font-size: 1.15rem;
}

.sealing-system__text p {
    max-width: 650px;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.76rem;
    line-height: 1.6;
}

.sealing-system__media {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
}

    .sealing-system__media span {
        min-width: 110px;
        padding: 8px 12px;
        border: 1px solid rgba(32, 183, 255, 0.18);
        color: rgba(255, 255, 255, 0.55);
        background: rgba(0, 0, 0, 0.12);
        text-align: center;
        font-size: 0.52rem;
        font-weight: 700;
        letter-spacing: 0.08em;
    }


/* =========================================================
   PRODUCT SECTIONS
========================================================= */

.product-section {
    background: var(--white);
}

.product-section--alternate {
    background: var(--off-white);
}

.product-section__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 90px;
}

.product-section__grid--reverse .product-section__visual {
    order: 2;
}

.product-section__grid--reverse .product-section__content {
    order: 1;
}

.product-section__content h2 {
    margin-bottom: 25px;
}

    .product-section__content h2 span {
        display: block;
    }

.product-section__lead {
    color: var(--gray-500);
    font-size: 1rem;
    line-height: 1.8;
}

.product-visual {
    position: relative;
    min-height: 480px;
    overflow: hidden;
    border: 1px solid rgba(32, 183, 255, 0.18);
    background: linear-gradient( 145deg, #0c2133, #050d16 );
    box-shadow: var(--shadow);
}

    .product-visual::before {
        content: "";
        position: absolute;
        inset: 0;
        opacity: 0.17;
        background-image: linear-gradient( rgba(32, 183, 255, 0.2) 1px, transparent 1px ), linear-gradient( 90deg, rgba(32, 183, 255, 0.2) 1px, transparent 1px );
        background-size: 34px 34px;
    }

.product-visual__tag {
    position: absolute;
    z-index: 3;
    top: 25px;
    left: 27px;
    color: var(--blue-300);
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.product-visual__footer {
    position: absolute;
    z-index: 3;
    bottom: 0;
    left: 0;
    width: 100%;
    min-height: 54px;
    padding: 0 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-dark);
    background: rgba(3, 10, 18, 0.65);
}

    .product-visual__footer span {
        color: rgba(255, 255, 255, 0.48);
        font-size: 0.54rem;
        font-weight: 800;
        letter-spacing: 0.13em;
    }


/* =========================================================
   HOSE GRAPHIC
========================================================= */

.product-visual__graphic {
    position: absolute;
    inset: 75px 45px 65px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hose-line {
    position: absolute;
    width: 76%;
    height: 38px;
    border: 5px solid #1d2a33;
    border-radius: 30px;
    background: repeating-linear-gradient( 90deg, #17242d 0, #17242d 9px, #263844 10px, #263844 13px );
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

    .hose-line::before,
    .hose-line::after {
        content: "";
        position: absolute;
        top: 50%;
        width: 31px;
        height: 50px;
        border: 5px solid #7c8c98;
        background: linear-gradient( 90deg, #7d8e99, #d6e1e7, #788995 );
        transform: translateY(-50%);
    }

    .hose-line::before {
        left: -22px;
    }

    .hose-line::after {
        right: -22px;
    }

.hose-line--one {
    transform: translateY(-82px) rotate(-8deg);
}

.hose-line--two {
    transform: rotate(5deg);
}

.hose-line--three {
    transform: translateY(83px) rotate(-4deg);
}


/* =========================================================
   FEATURE LIST
========================================================= */

.feature-list {
    margin-top: 35px;
    border-top: 1px solid var(--gray-200);
}

.feature-item {
    padding: 20px 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-bottom: 1px solid var(--gray-200);
}

.feature-item strong {
    display: block;
    margin-bottom: 4px;
    color: var(--gray-900);
    font-size: 0.93rem;
}

.feature-item p {
    color: var(--gray-500);
    font-size: 0.82rem;
    line-height: 1.65;
}


/* =========================================================
   CONNECTION GRAPHIC
========================================================= */

.connection-graphic {
    position: absolute;
    inset: 80px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.connection-node {
    position: absolute;
    z-index: 3;
    width: 92px;
    height: 92px;
    border: 12px solid #9daab2;
    border-radius: 50%;
    background: radial-gradient( circle, #08131d 35%, #53636d 36%, #a9b6bd 50%, #53636d 64%, #08131d 65% );
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.38);
}

.connection-node--one {
    left: 6%;
    top: 40%;
}

.connection-node--two {
    right: 6%;
    top: 40%;
}

.connection-node--three {
    left: 50%;
    top: 8%;
    transform: translateX(-50%);
}

.connection-pipe {
    position: absolute;
    height: 36px;
    background: linear-gradient( to bottom, #53636d, #c3cdd2 45%, #596a75 );
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
}

.connection-pipe--one {
    width: 60%;
    top: 49%;
}

.connection-pipe--two {
    width: 47%;
    top: 37%;
    transform: rotate(90deg);
}


/* =========================================================
   CAPABILITY TAGS
========================================================= */

.capability-tags {
    margin-top: 35px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

    .capability-tags span {
        padding: 11px 15px;
        border: 1px solid var(--gray-200);
        color: var(--gray-700);
        background: var(--white);
        font-size: 0.74rem;
        font-weight: 650;
        transition: border-color var(--transition), color var(--transition);
    }

        .capability-tags span:hover {
            color: var(--blue-600);
            border-color: var(--blue-400);
        }


/* =========================================================
   SEAL GRAPHIC
========================================================= */

.seal-graphic {
    position: absolute;
    inset: 70px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.seal-ring {
    position: absolute;
    border-radius: 50%;
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.32);
}

.seal-ring--one {
    width: 230px;
    height: 230px;
    border: 34px solid #1a2832;
}

.seal-ring--two {
    width: 145px;
    height: 145px;
    right: 5%;
    bottom: 5%;
    border: 22px solid #7d8c94;
}

.seal-ring--three {
    width: 85px;
    height: 85px;
    left: 7%;
    top: 14%;
    border: 14px solid var(--blue-500);
}


/* =========================================================
   MATERIAL GRID
========================================================= */

.material-grid {
    margin-top: 35px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.material {
    padding: 19px;
    border: 1px solid var(--gray-200);
    background: var(--off-white);
}

    .material strong {
        display: block;
        margin-bottom: 3px;
        color: var(--blue-600);
        font-size: 1rem;
    }

    .material span {
        color: var(--gray-500);
        font-size: 0.75rem;
    }


/* =========================================================
   WHY US
========================================================= */

.why-us {
    overflow: hidden;
    color: var(--white);
    background: linear-gradient( 120deg, #06101c, #0a1d2d );
}

.why-us__glow {
    position: absolute;
    width: 650px;
    height: 650px;
    top: -330px;
    left: 50%;
    border-radius: 50%;
    background: radial-gradient( circle, rgba(32, 183, 255, 0.15), transparent 70% );
    transform: translateX(-50%);
}

.why-us .container {
    position: relative;
    z-index: 2;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--border-dark);
    border-bottom: 1px solid var(--border-dark);
}

.advantage {
    min-height: 250px;
    padding: 34px 30px;
    border-right: 1px solid var(--border-dark);
}

    .advantage:last-child {
        border-right: 0;
    }

.advantage__accent {
    display: block;
    width: 38px;
    height: 2px;
    margin-bottom: 42px;
    background: linear-gradient( 90deg, var(--blue-400), var(--cyan) );
    box-shadow: 0 0 10px rgba(67, 224, 255, 0.28);
}

.advantage h3 {
    margin-bottom: 13px;
    color: var(--white);
    font-size: 1.05rem;
}

.advantage p {
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.8rem;
    line-height: 1.7;
}


/* =========================================================
   CONTACT CTA
========================================================= */

.contact-section {
    padding: 90px 0;
    background: var(--off-white);
}

.contact-panel {
    position: relative;
    padding: 60px 65px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 70px;
    color: var(--white);
    background: linear-gradient( 120deg, var(--navy-900), var(--navy-700) );
    box-shadow: var(--shadow);
}

    .contact-panel::after {
        content: "";
        position: absolute;
        width: 330px;
        height: 330px;
        right: -110px;
        top: -130px;
        border: 1px solid rgba(32, 183, 255, 0.18);
        transform: rotate(45deg);
    }

.contact-panel__content {
    position: relative;
    z-index: 2;
    max-width: 750px;
}

.contact-panel h2 {
    color: var(--white);
    font-size: clamp( 2rem, 3.4vw, 3.2rem );
}

    .contact-panel h2 span {
        color: var(--blue-300);
    }

.contact-panel p {
    max-width: 680px;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.9rem;
    line-height: 1.75;
}

.contact-panel__action {
    position: relative;
    z-index: 2;
    min-width: 230px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

    .contact-panel__action span {
        color: rgba(255, 255, 255, 0.42);
        font-size: 0.67rem;
    }


/* =========================================================
   FOOTER
========================================================= */

.site-footer {
    color: var(--white);
    background: #03080e;
}

.site-footer__top {
    min-height: 135px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    border-bottom: 1px solid var(--border-dark);
}

.site-footer__tagline {
    max-width: 350px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.76rem;
    line-height: 1.6;
    text-align: right;
}

.site-footer__bottom {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.68rem;
}

.site-footer__links {
    display: flex;
    gap: 25px;
}

    .site-footer__links a {
        transition: color var(--transition);
    }

        .site-footer__links a:hover {
            color: var(--blue-400);
        }


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1100px) {

    .main-nav {
        gap: 18px;
    }

        .main-nav a {
            font-size: 0.75rem;
        }

    .hero__inner {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 35px;
    }

    .solution-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }

    .solution-card {
        padding: 27px;
    }

        .solution-card a {
            left: 27px;
        }

    .flow-system {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .flow-step {
        padding: 20px 0;
        display: grid;
        grid-template-columns: 60px 1fr;
        border-bottom: 1px solid var(--border-dark);
    }

    .flow-step__marker {
        margin-bottom: 0;
    }

    .flow-connector {
        display: none;
    }

    .product-section__grid {
        gap: 55px;
    }

    .advantage-grid {
        grid-template-columns: 1fr 1fr;
    }

    .advantage:nth-child(2) {
        border-right: 0;
    }

    .advantage:nth-child(-n+2) {
        border-bottom: 1px solid var(--border-dark);
    }
}


@media (max-width: 900px) {

    .main-nav {
        display: none;
    }

    .site-header__inner {
        justify-content: space-between;
    }

    .hero__inner {
        grid-template-columns: 1fr;
        padding-top: 150px;
        padding-bottom: 120px;
    }

    .hero__visual {
        display: none;
    }

    .hero {
        min-height: auto;
    }

    .solution-grid {
        grid-template-columns: 1fr;
    }

    .solution-card {
        min-height: 460px;
    }

    .product-section__grid,
    .product-section__grid--reverse {
        grid-template-columns: 1fr;
        gap: 50px;
    }

        .product-section__grid--reverse .product-section__visual,
        .product-section__grid--reverse .product-section__content {
            order: initial;
        }

    .contact-panel {
        grid-template-columns: 1fr;
    }

    .contact-panel__action {
        align-items: flex-start;
    }
}


@media (max-width: 650px) {

    .container,
    .site-header__inner {
        width: min( calc(100% - 30px), var(--max-width) );
    }

    .site-header__inner {
        min-height: 72px;
    }

    .button--header {
        display: none;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero__stats {
        flex-direction: column;
        gap: 12px;
    }

    .hero-stat {
        border-right: 0;
    }

    .hero__bottom-inner {
        padding: 15px 0;
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .section {
        padding: 80px 0;
    }

    .product-visual {
        min-height: 380px;
    }

    .material-grid,
    .advantage-grid {
        grid-template-columns: 1fr;
    }

    .advantage {
        border-right: 0;
        border-bottom: 1px solid var(--border-dark);
    }

    .contact-panel {
        padding: 42px 28px;
    }

    .site-footer__top,
    .site-footer__bottom {
        padding: 30px 0;
        flex-direction: column;
        align-items: flex-start;
    }

    .site-footer__tagline {
        text-align: left;
    }
}

.product-image {
    position: relative;
    min-height: 520px;
    overflow: hidden;
    background: var(--gray-100);
}

.product-image img {
    width: 100%;
    height: 100%;
    min-height: 520px;
    display: block;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-image--connection {
    height: 520px;
    background: #050b14;
}

.product-image--connection img {
    width: 100%;
    height: 100%;
    min-height: 0;
    object-fit: contain;
    object-position: center center;
}

.product-image--hose {
    height: 520px;
    background: #050b14;
}

.product-image--hose img {
    width: 100%;
    height: 100%;
    min-height: 0;
    object-fit: contain;
    object-position: center center;
}

.product-image:hover img {
    transform: scale(1.025);
}
/*
.product-image--hose:hover img {
    transform: none;
}*/

.product-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient( to bottom, rgba(5, 11, 20, 0.08), rgba(5, 11, 20, 0.48) );
    pointer-events: none;
}

.product-image__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px;
}

.product-image__tag {
    align-self: flex-start;
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: var(--white);
    background: rgba(5, 11, 20, 0.42);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.13em;
}

.product-image__footer {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.product-image__footer span {
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.85);
    background: rgba(5, 11, 20, 0.42);
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

/* =========================================================
   COOLING INFRASTRUCTURE
========================================================= */

.cooling-infrastructure {
    background: var(--white);
}

.cooling-infrastructure__grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 70px;
    align-items: center;
}

.cooling-infrastructure__visual {
    position: relative;
    padding: 24px;
    border: 1px solid var(--gray-200);
    background: var(--white);
}

    .cooling-infrastructure__visual img {
        width: 100%;
        height: auto;
        display: block;
    }

.cooling-infrastructure__label {
    display: block;
    margin-bottom: 16px;
    color: var(--blue-600);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.cooling-infrastructure__content h2 {
    margin-top: 12px;
    color: var(--gray-900);
    font-size: clamp(2.5rem, 4vw, 4.2rem);
    line-height: 1.02;
}

    .cooling-infrastructure__content h2 span {
        display: block;
        color: var(--blue-600);
        font-weight: 300;
    }

.cooling-infrastructure__content > p {
    max-width: 620px;
    margin-top: 24px;
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.8;
}

.infrastructure-list {
    margin-top: 34px;
    border-top: 1px solid var(--gray-200);
}

.infrastructure-item {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 16px;
    padding: 19px 0;
    border-bottom: 1px solid var(--gray-200);
}

    .infrastructure-item > span {
        width: 18px;
        height: 2px;
        margin-top: 10px;
        background: linear-gradient( 90deg, var(--blue-500), var(--cyan) );
    }

    .infrastructure-item strong {
        display: block;
        margin-bottom: 4px;
        color: var(--gray-900);
        font-size: 0.93rem;
    }

    .infrastructure-item p {
        color: var(--gray-500);
        font-size: 0.81rem;
        line-height: 1.65;
    }

/* =========================================================
   COOLING PATH - MOBILE
========================================================= */

@media (max-width: 900px) {

    .flow-system {
        display: block;
    }

    .flow-step {
        display: block;
        width: 100%;
        padding: 26px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .flow-step__content {
        display: block;
        width: 100%;
    }

        .flow-step__content span {
            display: block;
            margin-bottom: 8px;
        }

        .flow-step__content strong {
            display: block;
            margin-bottom: 8px;
        }

        .flow-step__content p {
            display: block;
            width: 100%;
            margin-top: 0;
        }

    .flow-connector {
        display: none;
    }
}
