/*==================================================
MODULAR CHILLER SYSTEMS — SOLUTIONS PAGE
Prefix: mc- (engineering-solution layout, not a catalog page)
Reuses navbar / .section-tag / .btn-primary / .btn-secondary / .cta / .footer from Base.css
==================================================*/

/*---------- HERO ----------*/

.mc-hero {

    position: relative;
    overflow: hidden;
    padding: clamp(160px, 20vw, 220px) 6% clamp(90px, 14vw, 140px);
    background: linear-gradient(180deg, #05070B, #0A0E15);

}

.mc-hero-overlay {

    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        radial-gradient(50% 50% at 85% 15%, rgba(66, 165, 255, .14), transparent 70%),
        radial-gradient(45% 45% at 5% 85%, rgba(79, 246, 255, .09), transparent 70%);

}

.mc-hero-inner {

    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: auto;
    text-align: center;

}

.mc-hero-inner h1 {

    margin-top: 25px;
    font-size: clamp(38px, 6vw, 76px);
    line-height: 1.05;

}

.mc-hero-inner .mc-lead {

    display: block;
    margin-top: 18px;
    color: var(--cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(14px, 1.6vw, 18px);
    letter-spacing: 1px;

}

.mc-hero-inner p {

    margin: 30px auto 0;
    max-width: 720px;
    color: #9FB1C2;
    line-height: 1.9;
    font-size: clamp(16px, 2vw, 19px);

}

.mc-hero-buttons {

    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 46px;
    flex-wrap: wrap;

}

/*---------- HERO STATS ROW ----------*/

.mc-hero-stats {

    max-width: 1000px;
    margin: clamp(50px, 8vw, 80px) auto 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;

}

.mc-stat-card {

    padding: 26px 20px;
    border-radius: 18px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .12);
    backdrop-filter: blur(20px);
    text-align: center;
    transition: .35s;

}

.mc-stat-card:hover {

    border-color: rgba(79, 246, 255, .35);
    transform: translateY(-4px);

}

.mc-stat-card span {

    display: block;
    color: #7F93A6;
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;

}

.mc-stat-card b {

    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(15px, 1.8vw, 19px);
    color: white;
    line-height: 1.3;

}

@media(max-width:900px) {

    .mc-hero-stats {
        grid-template-columns: 1fr 1fr;
    }

}

@media(max-width:560px) {

    .mc-hero-stats {
        grid-template-columns: 1fr;
    }

}

/*---------- SHARED SECTION SHELL ----------*/

.mc-section {

    padding: clamp(80px, 14vw, 150px) 6%;

}

.mc-section.alt {

    background: #070B11;

}

.mc-section-header {

    max-width: 820px;
    margin: 0 auto;

}

.mc-section-header.center {

    text-align: center;
    margin-left: auto;
    margin-right: auto;

}

.mc-section-header h2 {

    margin-top: 25px;
    font-size: clamp(30px, 4.5vw, 56px);
    line-height: 1.1;

}

.mc-section-header p {

    margin-top: 25px;
    color: #9FB1C2;
    line-height: 1.9;
    font-size: clamp(16px, 2vw, 18px);

}

/*---------- WHAT IS A MODULAR CHILLER (text + advantages) ----------*/

.mc-explainer {

    max-width: 1100px;
    margin: clamp(50px, 8vw, 90px) auto 0;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 50px;
    align-items: start;

}

.mc-explainer-text p {

    color: #A3B4C5;
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 15.5px;

}

.mc-advantages-card {

    padding: clamp(26px, 3vw, 36px);
    border-radius: 22px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .1);

}

.mc-advantages-card h3 {

    font-size: 15px;
    letter-spacing: 1px;
    color: var(--cyan);
    text-transform: uppercase;
    margin-bottom: 20px;

}

.mc-advantages-card ul {

    list-style: none;
    padding: 0;

}

.mc-advantages-card ul li {

    color: #D3DEE8;
    font-size: 14.5px;
    padding: 10px 0 10px 26px;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, .05);

}

.mc-advantages-card ul li:last-child {

    border-bottom: none;

}

.mc-advantages-card ul li::before {

    content: "✔";
    position: absolute;
    left: 0;
    top: 10px;
    color: var(--cyan);
    font-size: 13px;

}

@media(max-width:900px) {

    .mc-explainer {
        grid-template-columns: 1fr;
    }

}

/*---------- MODULE STACKING DIAGRAM ----------*/

.mc-stack {

    max-width: 1000px;
    margin: clamp(50px, 8vw, 90px) auto 0;

}

.mc-stack-row {

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;

}

.mc-stack-module {

    flex: 1;
    min-width: 140px;
    max-width: 200px;
    padding: 26px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .15);
    text-align: center;
    transition: .35s;

}

.mc-stack-module:hover {

    border-color: rgba(79, 246, 255, .4);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(66, 165, 255, .12);

}

.mc-stack-module span {

    display: block;
    color: #7F93A6;
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;

}

.mc-stack-module b {

    display: block;
    font-family: 'Orbitron', sans-serif;
    color: white;
    font-size: 15px;
    margin-bottom: 6px;

}

.mc-stack-module em {

    display: block;
    font-style: normal;
    color: var(--cyan);
    font-size: 13.5px;

}

.mc-stack-plus {

    flex-shrink: 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 22px;
    color: rgba(79, 246, 255, .5);

}

.mc-stack-arrow-down {

    width: 2px;
    height: 40px;
    margin: 18px auto;
    background: linear-gradient(180deg, rgba(79, 246, 255, .5), rgba(79, 246, 255, .1));
    position: relative;

}

.mc-stack-arrow-down::after {

    content: "";
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid rgba(79, 246, 255, .6);

}

.mc-stack-total {

    max-width: 420px;
    margin: 0 auto;
    padding: 28px;
    border-radius: 20px;
    text-align: center;
    background: linear-gradient(135deg, rgba(66, 165, 255, .18), rgba(79, 246, 255, .08));
    border: 1px solid rgba(79, 246, 255, .4);

}

.mc-stack-total span {

    display: block;
    color: #BFEFFF;
    font-size: 11.5px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 8px;

}

.mc-stack-total b {

    font-family: 'Orbitron', sans-serif;
    font-size: clamp(24px, 3vw, 32px);
    color: white;

}

.mc-stack-note {

    max-width: 620px;
    margin: 26px auto 0;
    text-align: center;
    color: #7F93A6;
    font-size: 13.5px;
    line-height: 1.8;

}

@media(max-width:700px) {

    .mc-stack-row {
        flex-direction: column;
    }

    .mc-stack-plus {
        transform: rotate(90deg);
    }

}

/*---------- SCALABILITY ARCHITECTURE (TIER LADDER) ----------*/

.mc-tiers {

    max-width: 1100px;
    margin: clamp(50px, 8vw, 90px) auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    position: relative;

}

.mc-tier {

    position: relative;
    padding: clamp(28px, 3vw, 34px) 26px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .1);
    margin: 0 10px;
    transition: .4s;

}

.mc-tier:hover {

    border-color: rgba(79, 246, 255, .32);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(66, 165, 255, .1);

}

.mc-tier-index {

    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(66, 165, 255, .25), rgba(79, 246, 255, .12));
    color: var(--cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    margin-bottom: 20px;

}

.mc-tier h3 {

    font-size: 18px;
    margin-bottom: 6px;

}

.mc-tier .mc-tier-range {

    display: block;
    color: var(--cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    margin-bottom: 14px;

}

.mc-tier p {

    color: #9FB1C2;
    font-size: 14px;
    line-height: 1.7;

}

.mc-tier-connector {

    position: absolute;
    top: 50%;
    right: -10px;
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, rgba(79, 246, 255, .5), rgba(79, 246, 255, .1));
    z-index: 2;
}

.mc-tier-connector::after {

    content: "";
    position: absolute;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 7px solid rgba(79, 246, 255, .6);

}

@media(max-width:900px) {

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

    .mc-tier {
        margin: 0;
    }

    .mc-tier-connector {
        top: unset;
        bottom: -30px;
        left: 50%;
        right: unset;
        width: 2px;
        height: 20px;
        transform: translateX(-50%);
        background: linear-gradient(180deg, rgba(79, 246, 255, .5), rgba(79, 246, 255, .1));
    }

    .mc-tier-connector::after {
        right: unset;
        left: 50%;
        top: unset;
        bottom: -1px;
        transform: translateX(-50%);
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 7px solid rgba(79, 246, 255, .6);
        border-bottom: none;
    }

}

/*---------- FEATURE / TECHNOLOGY CARDS (shared grid) ----------*/

.mc-feature-grid {

    max-width: 1100px;
    margin: clamp(50px, 8vw, 90px) auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;

}

.mc-feature-card {

    position: relative;
    overflow: hidden;
    padding: clamp(28px, 3vw, 38px);
    border-radius: 22px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .08);
    transition: .4s;

}

.mc-feature-card::before {

    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    transform: translateX(-100%);
    transition: .6s;

}

.mc-feature-card:hover::before {

    transform: translateX(100%);

}

.mc-feature-card:hover {

    transform: translateY(-8px);
    border-color: rgba(79, 246, 255, .28);
    box-shadow: 0 20px 50px rgba(66, 165, 255, .1);

}

.mc-feature-icon {

    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: linear-gradient(135deg, rgba(66, 165, 255, .25), rgba(79, 246, 255, .12));
    color: var(--cyan);
    margin-bottom: 24px;

}

.mc-feature-card h3 {

    font-size: 18px;
    margin-bottom: 12px;

}

.mc-feature-card p {

    color: #9FB1C2;
    font-size: 14.5px;
    line-height: 1.75;

}

@media(max-width:900px) {

    .mc-feature-grid {
        grid-template-columns: 1fr 1fr;
    }

}

@media(max-width:560px) {

    .mc-feature-grid {
        grid-template-columns: 1fr;
    }

}

/*---------- METRIC CARDS (replaces spec table) ----------*/

.mc-metric-grid {

    max-width: 1100px;
    margin: clamp(50px, 8vw, 90px) auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;

}

.mc-metric-card {

    padding: 30px 28px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(66, 165, 255, .05), rgba(79, 246, 255, .015));
    border: 1px solid rgba(79, 246, 255, .1);
    transition: .35s;

}

.mc-metric-card:hover {

    border-color: rgba(79, 246, 255, .3);
    transform: translateY(-6px);

}

.mc-metric-card h3 {

    font-size: 16.5px;
    color: var(--cyan);
    margin-bottom: 10px;
    font-family: 'Orbitron', sans-serif;

}

.mc-metric-card p {

    color: #9DB0C2;
    font-size: 14px;
    line-height: 1.7;

}

@media(max-width:900px) {

    .mc-metric-grid {
        grid-template-columns: 1fr 1fr;
    }

}

@media(max-width:560px) {

    .mc-metric-grid {
        grid-template-columns: 1fr;
    }

}

/*---------- APPLICATIONS (GROUPED CATEGORY CARDS) ----------*/

.mc-app-grid {

    max-width: 1150px;
    margin: clamp(50px, 8vw, 90px) auto 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;

}

.mc-app-card {

    padding: 30px 26px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .08);
    transition: .4s;

}

.mc-app-card:hover {

    transform: translateY(-8px);
    border-color: rgba(79, 246, 255, .25);
    box-shadow: 0 20px 50px rgba(66, 165, 255, .1);

}

.mc-app-emoji {

    font-size: 26px;
    margin-bottom: 16px;

}

.mc-app-card h3 {

    font-size: 15.5px;
    margin-bottom: 14px;

}

.mc-app-card ul {

    list-style: none;
    padding: 0;

}

.mc-app-card ul li {

    color: #9FB1C2;
    font-size: 13.5px;
    padding: 5px 0 5px 16px;
    position: relative;

}

.mc-app-card ul li::before {

    content: "";
    position: absolute;
    left: 0;
    top: 13px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--cyan);

}

@media(max-width:900px) {

    .mc-app-grid {
        grid-template-columns: 1fr 1fr;
    }

}

@media(max-width:560px) {

    .mc-app-grid {
        grid-template-columns: 1fr;
    }

}

/*---------- WHY CHOOSE (compact strip) ----------*/

/*---------- WHY CHOOSE MODULAR CHILLERS ----------*/

.mc-why-grid {

    max-width: 1100px;

    margin: clamp(50px, 8vw, 90px) auto 0;

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;

}


.mc-why-item {

    display: flex;

    align-items: flex-start;

    gap: 12px;

    padding: 20px 22px;

    border-radius: 14px;

    background: rgba(255, 255, 255, .03);

    border: 1px solid rgba(79, 246, 255, .08);

    transition: .35s;

}


.mc-why-item:hover {

    border-color: rgba(79, 246, 255, .28);

    background: rgba(79, 246, 255, .04);

}


.mc-why-check {

    flex-shrink: 0;

    color: var(--cyan);

    font-size: 16px;

    line-height: 1.4;

}


.mc-why-text {

    display: flex;

    flex-direction: column;

    gap: 4px;

}


.mc-why-text b {

    color: white;

    font-size: 14px;

    font-weight: 600;

}


.mc-why-text span {

    color: #9FB1C2;

    font-size: 12.5px;

    line-height: 1.5;

}



@media(max-width:900px) {

    .mc-why-grid {

        grid-template-columns: 1fr 1fr;

    }

}


@media(max-width:560px) {

    .mc-why-grid {

        grid-template-columns: 1fr;

    }

}

/*---------- DESIGN CONFIGURATIONS (category cards, no model numbers) ----------*/

.mc-config-grid {

    max-width: 1100px;
    margin: clamp(50px, 8vw, 90px) auto 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;

}

.mc-config-card {

    padding: 30px 26px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(79, 246, 255, .08);
    transition: .4s;
    text-align: center;

}

.mc-config-card:hover {

    transform: translateY(-6px);
    border-color: rgba(79, 246, 255, .28);
    box-shadow: 0 20px 50px rgba(66, 165, 255, .1);

}

.mc-config-icon {

    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: linear-gradient(135deg, rgba(66, 165, 255, .22), rgba(79, 246, 255, .1));
    color: var(--cyan);

}

.mc-config-card h3 {

    font-size: 16px;
    margin-bottom: 10px;

}

.mc-config-card p {

    color: #9DB0C2;
    font-size: 13.5px;
    line-height: 1.7;

}

@media(max-width:900px) {

    .mc-config-grid {
        grid-template-columns: 1fr 1fr;
    }

}

@media(max-width:560px) {

    .mc-config-grid {
        grid-template-columns: 1fr;
    }

}

/*---------- SCROLL REVEAL ----------*/

.mc-feature-card,
.mc-app-card,
.mc-why-item,
.mc-metric-card,
.mc-config-card,
.mc-tier,
.mc-stack-module,
.mc-stat-card {

    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s ease, transform .7s ease;

}

.mc-feature-card.in-view,
.mc-app-card.in-view,
.mc-why-item.in-view,
.mc-metric-card.in-view,
.mc-config-card.in-view,
.mc-tier.in-view,
.mc-stack-module.in-view,
.mc-stat-card.in-view {

    opacity: 1;
    transform: translateY(0);

}

/*---------- RESPONSIVE FIXES ----------*/

@media(max-width:480px) {

    .mc-hero,
    .mc-section {

        padding-left: 5%;
        padding-right: 5%;

    }

}