/* =========================================================
   M&N BOREHOLE DRILLING ENGINEERS
   OUR PROCESS PAGE
   process.css
========================================================= */


/* =========================================================
   ROOT VARIABLES
========================================================= */

:root {

    --deep-navy: #07101F;
    --midnight-blue: #0D1B2E;

    --royal-blue: #0759C9;
    --electric-blue: #00A9FF;

    --gold: #D99A00;
    --bright-gold: #F5B800;

    --silver: #C9D1D9;

    --white: #FFFFFF;
    --soft-white: #E8EDF3;

    --header-height: 84px;

    --container-width: 1240px;

    --transition-fast: 0.25s ease;
    --transition: 0.4s ease;
    --transition-slow: 0.7s ease;

}


/* =========================================================
   RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {

    font-family: "Inter", sans-serif;

    background: var(--deep-navy);

    color: var(--white);

    line-height: 1.7;

    overflow-x: hidden;

}

body.menu-open {
    overflow: hidden;
}

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

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

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

button {
    border: 0;
    background: none;
}

::selection {
    background: var(--bright-gold);
    color: var(--deep-navy);
}


/* =========================================================
   CONTAINER
========================================================= */

.container {

    width: min(
        calc(100% - 48px),
        var(--container-width)
    );

    margin-inline: auto;

}


/* =========================================================
   SECTION PADDING
========================================================= */

.section-padding {
    padding: 120px 0;
}


/* =========================================================
   TYPOGRAPHY
========================================================= */

h1,
h2,
h3,
h4 {

    font-family: "Montserrat", sans-serif;

    line-height: 1.12;

    font-weight: 700;

}

h1 span,
h2 span {
    color: var(--electric-blue);
}


/* =========================================================
   SECTION LABEL
========================================================= */

.section-label {

    display: flex;

    align-items: center;

    gap: 12px;

    margin-bottom: 22px;

    color: var(--bright-gold);

    font-family: "Montserrat", sans-serif;

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 2.5px;

    text-transform: uppercase;

}

.section-label::before {

    content: "";

    width: 28px;

    height: 2px;

    background: var(--bright-gold);

}


/* =========================================================
   BUTTONS
========================================================= */

.btn {

    min-height: 54px;

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 12px;

    padding: 0 25px;

    border: 1px solid transparent;

    font-family: "Montserrat", sans-serif;

    font-size: 12px;

    font-weight: 700;

    letter-spacing: 0.7px;

    text-transform: uppercase;

    transition:
        transform var(--transition-fast),
        background var(--transition),
        color var(--transition),
        border-color var(--transition);

}

.btn i {
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: translateX(4px);
}

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


.btn-primary {

    background: var(--bright-gold);

    color: var(--deep-navy);

}

.btn-primary:hover {

    background: var(--electric-blue);

    color: var(--white);

}


.btn-outline {

    border-color: rgba(255, 255, 255, 0.5);

    color: var(--white);

    background: rgba(7, 16, 31, 0.2);

}

.btn-outline:hover {

    border-color: var(--electric-blue);

    background: var(--electric-blue);

    color: var(--white);

}


.btn-whatsapp {

    border-color: rgba(0, 169, 255, 0.6);

    background: rgba(7, 16, 31, 0.75);

    color: var(--white);

}

.btn-whatsapp:hover {

    background: var(--royal-blue);

    border-color: var(--royal-blue);

}


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

.site-header {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    height: var(--header-height);

    z-index: 1000;

    background: rgba(7, 16, 31, 0.7);

    border-bottom: 1px solid rgba(255, 255, 255, 0.08);

    backdrop-filter: blur(14px);

    -webkit-backdrop-filter: blur(14px);

    transition:
        background var(--transition),
        box-shadow var(--transition);

}

.site-header.scrolled {

    background: rgba(7, 16, 31, 0.97);

    box-shadow:
        0 10px 35px rgba(0, 0, 0, 0.3);

}

.header-container {

    height: 100%;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;

}


/* =========================================================
   BRAND
========================================================= */

.brand-logo {

    display: inline-flex;

    align-items: center;

    gap: 12px;

    flex-shrink: 0;

}

.brand-mark {

    width: 46px;
    height: 46px;

    display: flex;

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

    background-image: url("../images/logo.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    color: transparent;

    font-family: "Montserrat", sans-serif;

    font-size: 0;
    line-height: 0;

    font-weight: 800;

    letter-spacing: -0.5px;

    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 12px;

    box-shadow:
        0 0 0 1px rgba(0, 169, 255, 0.12),
        0 8px 25px rgba(0, 0, 0, 0.25);

}

.brand-text {

    display: flex;

    flex-direction: column;

    line-height: 1;

}

.brand-name {

    color: var(--white);

    font-family: "Montserrat", sans-serif;

    font-size: 17px;

    font-weight: 800;

    letter-spacing: 0.5px;

}

.brand-subtitle {

    margin-top: 5px;

    color: var(--silver);

    font-family: "Inter", sans-serif;

    font-size: 7px;

    font-weight: 600;

    letter-spacing: 1.3px;

}


/* =========================================================
   DESKTOP NAVIGATION
========================================================= */

.main-navigation {

    display: flex;

    align-items: center;

    gap: 27px;

    margin-left: auto;

}

.nav-link {

    position: relative;

    padding: 31px 0;

    color: rgba(255, 255, 255, 0.75);

    font-family: "Inter", sans-serif;

    font-size: 12px;

    font-weight: 500;

    transition: color var(--transition-fast);

}

.nav-link::after {

    content: "";

    position: absolute;

    left: 0;

    bottom: 22px;

    width: 0;

    height: 2px;

    background: var(--bright-gold);

    transition: width var(--transition);

}

.nav-link:hover,
.nav-link.active {

    color: var(--white);

}

.nav-link:hover::after,
.nav-link.active::after {

    width: 100%;

}


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

.header-cta {

    display: inline-flex;

    align-items: center;

    gap: 10px;

    min-height: 42px;

    padding: 0 17px;

    background: var(--bright-gold);

    color: var(--deep-navy);

    font-family: "Montserrat", sans-serif;

    font-size: 10px;

    font-weight: 800;

    letter-spacing: 0.5px;

    text-transform: uppercase;

    transition:
        background var(--transition-fast),
        transform var(--transition-fast);

}

.header-cta:hover {

    background: var(--electric-blue);

    color: var(--white);

    transform: translateY(-1px);

}

.header-cta i {
    transition: transform var(--transition-fast);
}

.header-cta:hover i {
    transform: translateX(3px);
}


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

.mobile-menu-toggle {

    width: 46px;
    height: 46px;

    display: none;

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

    flex-direction: column;

    gap: 5px;

    cursor: pointer;

    border: 1px solid rgba(255,255,255,0.14);

}

.mobile-menu-toggle span {

    width: 21px;

    height: 2px;

    background: var(--white);

    transition:
        transform var(--transition),
        opacity var(--transition);

}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* =========================================================
   MOBILE NAVIGATION
========================================================= */

.mobile-navigation {

    position: fixed;

    top: var(--header-height);

    left: 0;

    width: 100%;

    max-height: calc(100vh - var(--header-height));

    overflow-y: auto;

    padding: 22px 24px 30px;

    background: rgba(7, 16, 31, 0.98);

    border-bottom: 1px solid rgba(255,255,255,0.08);

    backdrop-filter: blur(18px);

    -webkit-backdrop-filter: blur(18px);

    display: flex;

    flex-direction: column;

    gap: 4px;

    transform: translateY(-120%);

    opacity: 0;

    visibility: hidden;

    transition:
        transform var(--transition),
        opacity var(--transition),
        visibility var(--transition);

    z-index: 999;

}

.mobile-navigation.active,
.mobile-navigation.open {

    transform: translateY(0);

    opacity: 1;

    visibility: visible;

}

.mobile-nav-link {

    padding: 15px 12px;

    border-bottom: 1px solid rgba(255,255,255,0.07);

    color: var(--soft-white);

    font-family: "Montserrat", sans-serif;

    font-size: 12px;

    font-weight: 600;

    transition:
        background var(--transition-fast),
        color var(--transition-fast),
        padding var(--transition-fast);

}

.mobile-nav-link:hover,
.mobile-nav-link.active {

    color: var(--bright-gold);

    padding-left: 18px;

    background: rgba(0,169,255,0.05);

}

.mobile-mobile-cta {

    margin-top: 16px;

    min-height: 50px;

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 10px;

    background: var(--bright-gold);

    color: var(--deep-navy);

    font-family: "Montserrat", sans-serif;

    font-size: 11px;

    font-weight: 800;

    text-transform: uppercase;

}


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

.process-hero {

    position: relative;

    min-height: 850px;

    display: flex;

    align-items: center;

    overflow: hidden;

    background: var(--deep-navy);

}

.process-hero-background {

    position: absolute;

    inset: 0;

    background-image:
        url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2200&q=85");

    background-size: cover;

    background-position: center;

    transform: scale(1.03);

}

.process-hero-overlay {

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(7,16,31,0.98) 0%,
            rgba(7,16,31,0.91) 38%,
            rgba(7,16,31,0.72) 65%,
            rgba(7,16,31,0.9) 100%
        );

}


/* Technical grid */

.process-hero::after {

    content: "";

    position: absolute;

    inset: 0;

    pointer-events: none;

    opacity: 0.16;

    background-image:
        linear-gradient(
            rgba(0,169,255,0.12) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(0,169,255,0.12) 1px,
            transparent 1px
        );

    background-size: 70px 70px;

}


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

.process-hero-container {

    position: relative;

    z-index: 2;

    display: grid;

    grid-template-columns: minmax(0, 1fr) 420px;

    align-items: center;

    gap: 80px;

    padding-top: 84px;

}


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

.process-hero-content {

    max-width: 720px;

}

.breadcrumb {

    display: flex;

    align-items: center;

    gap: 10px;

    margin-bottom: 42px;

    color: var(--silver);

    font-size: 11px;

}

.breadcrumb a {

    color: var(--soft-white);

    transition: color var(--transition-fast);

}

.breadcrumb a:hover {
    color: var(--bright-gold);
}

.breadcrumb i {

    color: var(--electric-blue);

    font-size: 8px;

}

.page-eyebrow {

    display: flex;

    align-items: center;

    gap: 13px;

    margin-bottom: 20px;

    color: var(--bright-gold);

    font-family: "Montserrat", sans-serif;

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 3px;

}

.eyebrow-line {

    width: 34px;

    height: 2px;

    background: var(--bright-gold);

}

.process-hero h1 {

    max-width: 750px;

    font-size: clamp(48px, 5.2vw, 72px);

    letter-spacing: -2.5px;

    color: var(--white);

    margin-bottom: 28px;

}

.process-hero h1 span {
    display: block;
}

.process-hero-content > p {

    max-width: 670px;

    color: var(--soft-white);

    font-size: 16px;

    line-height: 1.9;

    font-weight: 300;

}

.hero-actions {

    display: flex;

    flex-wrap: wrap;

    gap: 13px;

    margin-top: 38px;

}


/* =========================================================
   HERO PROCESS PANEL
========================================================= */

.process-hero-panel {

    position: relative;

    padding: 28px;

    background:
        linear-gradient(
            145deg,
            rgba(13,27,46,0.96),
            rgba(7,16,31,0.96)
        );

    border: 1px solid rgba(201,209,217,0.2);

    box-shadow:
        0 25px 80px rgba(0,0,0,0.35);

}

.process-hero-panel::before {

    content: "";

    position: absolute;

    top: -1px;

    left: 28px;

    width: 72px;

    height: 3px;

    background: var(--bright-gold);

}

.panel-top {

    display: flex;

    align-items: center;

    justify-content: space-between;

    padding-bottom: 18px;

    border-bottom: 1px solid rgba(201,209,217,0.12);

    color: var(--silver);

    font-family: "Montserrat", sans-serif;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 1.8px;

}

.panel-top span:last-child {
    color: var(--electric-blue);
}

.panel-title {

    padding: 22px 0 18px;

    color: var(--bright-gold);

    font-family: "Montserrat", sans-serif;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 2px;

}

.panel-steps {

    display: flex;

    flex-direction: column;

}

.panel-step {

    position: relative;

    display: grid;

    grid-template-columns: 34px 1fr;

    gap: 14px;

    align-items: center;

    padding: 12px 0;

    border-bottom: 1px solid rgba(201,209,217,0.08);

}

.panel-step-number {

    color: var(--electric-blue);

    font-family: "Montserrat", sans-serif;

    font-size: 10px;

    font-weight: 800;

}

.panel-step strong {

    display: block;

    color: var(--white);

    font-family: "Montserrat", sans-serif;

    font-size: 11px;

    font-weight: 600;

}

.panel-step small {

    display: block;

    margin-top: 2px;

    color: var(--silver);

    font-size: 9px;

    line-height: 1.4;

}

.panel-footer {

    display: flex;

    align-items: center;

    gap: 9px;

    margin-top: 20px;

    padding-top: 18px;

    border-top: 1px solid rgba(201,209,217,0.12);

    color: var(--silver);

    font-size: 9px;

}

.panel-footer i {
    color: var(--bright-gold);
}


/* =========================================================
   HERO SCROLL INDICATOR
========================================================= */

.hero-scroll-indicator {

    position: absolute;

    left: 50%;

    bottom: 28px;

    z-index: 3;

    transform: translateX(-50%);

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 8px;

    color: var(--silver);

    font-family: "Montserrat", sans-serif;

    font-size: 8px;

    letter-spacing: 2px;

}

.hero-scroll-indicator i {

    color: var(--bright-gold);

    animation: scrollDown 1.8s ease-in-out infinite;

}

@keyframes scrollDown {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(5px);
    }

}


/* =========================================================
   PROCESS INTRODUCTION
========================================================= */

.process-introduction {

    background: var(--white);

    color: var(--deep-navy);

}

.process-intro-grid {

    display: grid;

    grid-template-columns: 120px 1fr 1fr;

    gap: 65px;

    align-items: start;

}

.intro-number {

    display: flex;

    flex-direction: column;

    gap: 12px;

}

.intro-number span {

    color: var(--royal-blue);

    font-family: "Montserrat", sans-serif;

    font-size: 52px;

    font-weight: 800;

    line-height: 1;

}

.intro-number div {

    width: 45px;

    height: 2px;

    background: var(--bright-gold);

}

.intro-number small {

    color: rgba(7,16,31,0.55);

    font-family: "Montserrat", sans-serif;

    font-size: 8px;

    font-weight: 700;

    letter-spacing: 1.7px;

}

.process-introduction .section-label {
    color: var(--royal-blue);
}

.process-introduction .section-label::before {
    background: var(--royal-blue);
}

.intro-heading h2 {

    max-width: 450px;

    color: var(--deep-navy);

    font-size: clamp(38px, 4vw, 55px);

    letter-spacing: -1.5px;

}

.intro-heading h2 span {
    display: block;

    color: var(--royal-blue);
}

.intro-text {

    padding-top: 10px;

}

.intro-text .lead {

    margin-bottom: 22px;

    color: var(--deep-navy);

    font-size: 18px;

    line-height: 1.7;

    font-weight: 500;

}

.intro-text p:not(.lead) {

    color: rgba(7,16,31,0.62);

    font-size: 14px;

    line-height: 1.9;

}


/* =========================================================
   PROCESS STEPS SECTION
========================================================= */

.process-steps-section {

    position: relative;

    background: var(--deep-navy);

    overflow: hidden;

}

.process-steps-section::before {

    content: "";

    position: absolute;

    top: 0;
    right: 0;

    width: 42%;

    height: 100%;

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(0,169,255,0.025)
        );

    pointer-events: none;

}

.process-heading {

    position: relative;

    z-index: 1;

    display: grid;

    grid-template-columns: 1fr 430px;

    gap: 80px;

    align-items: end;

    margin-bottom: 75px;

}

.process-heading h2 {

    max-width: 700px;

    font-size: clamp(38px, 4.2vw, 58px);

    letter-spacing: -1.8px;

}

.process-heading h2 span {
    display: block;
}

.process-heading > p {

    color: var(--silver);

    font-size: 14px;

    line-height: 1.9;

}


/* =========================================================
   PROCESS STEP CARD
========================================================= */

.process-step {

    position: relative;

    display: grid;

    grid-template-columns: 1.08fr 0.92fr;

    min-height: 560px;

    margin-bottom: 55px;

    background: var(--midnight-blue);

    border: 1px solid rgba(201,209,217,0.1);

    overflow: hidden;

    box-shadow:
        0 25px 70px rgba(0,0,0,0.18);

}

.process-step:last-child {
    margin-bottom: 0;
}

.process-step-reverse {

    grid-template-columns: 0.92fr 1.08fr;

}

.process-step-reverse .process-step-image {
    order: 2;
}

.process-step-reverse .process-step-content {
    order: 1;
}


/* Featured accent */

.process-step-featured {
    border-top: 2px solid var(--gold);
}

.process-step-reverse {
    border-top: 2px solid var(--electric-blue);
}


/* =========================================================
   PROCESS IMAGE
========================================================= */

.process-step-image {

    position: relative;

    min-height: 560px;

    overflow: hidden;

}

.process-step-image img {

    height: 100%;

    object-fit: cover;

    transition:
        transform 0.8s ease;

}

.process-step:hover .process-step-image img {

    transform: scale(1.05);

}

.process-image-overlay {

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(7,16,31,0.05),
            rgba(7,16,31,0.5)
        );

}

.process-step-reverse .process-image-overlay {

    background:
        linear-gradient(
            270deg,
            rgba(7,16,31,0.05),
            rgba(7,16,31,0.5)
        );

}

.process-image-number {

    position: absolute;

    top: 30px;

    left: 30px;

    display: flex;

    align-items: center;

    justify-content: center;

    width: 70px;
    height: 70px;

    background: rgba(7,16,31,0.82);

    border: 1px solid rgba(255,255,255,0.18);

    color: var(--bright-gold);

    font-family: "Montserrat", sans-serif;

    font-size: 18px;

    font-weight: 800;

    backdrop-filter: blur(10px);

}

.process-step-reverse .process-image-number {

    left: auto;

    right: 30px;

}


/* =========================================================
   PROCESS CONTENT
========================================================= */

.process-step-content {

    position: relative;

    display: flex;

    flex-direction: column;

    justify-content: center;

    padding: 65px;

}

.process-step-content::before {

    content: "";

    position: absolute;

    top: 65px;

    right: 0;

    width: 3px;

    height: 70px;

    background: var(--electric-blue);

    opacity: 0.8;

}

.process-step-reverse .process-step-content::before {

    right: auto;

    left: 0;

    background: var(--gold);

}

.process-step-top {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 20px;

    margin-bottom: 28px;

}

.process-category {

    color: var(--bright-gold);

    font-family: "Montserrat", sans-serif;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 2px;

}

.process-step-count {

    color: var(--silver);

    font-family: "Montserrat", sans-serif;

    font-size: 8px;

    font-weight: 700;

    letter-spacing: 1.5px;

}

.process-icon {

    width: 48px;
    height: 48px;

    display: flex;

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

    margin-bottom: 22px;

    background: rgba(0,169,255,0.08);

    border: 1px solid rgba(0,169,255,0.25);

    color: var(--electric-blue);

}

.process-step h3 {

    margin-bottom: 20px;

    color: var(--white);

    font-size: clamp(28px, 3vw, 40px);

    letter-spacing: -1px;

}

.process-lead {

    margin-bottom: 16px;

    color: var(--soft-white);

    font-size: 15px;

    line-height: 1.85;

    font-weight: 400;

}

.process-step-content > p:not(.process-lead) {

    margin-bottom: 25px;

    color: var(--silver);

    font-size: 13px;

    line-height: 1.85;

}

.process-features {

    display: flex;

    flex-direction: column;

    gap: 10px;

    margin-top: auto;

}

.process-features > div {

    display: flex;

    align-items: center;

    gap: 11px;

    color: var(--soft-white);

    font-size: 11px;

}

.process-features i {

    width: 19px;
    height: 19px;

    display: flex;

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

    flex-shrink: 0;

    border: 1px solid rgba(245,184,0,0.45);

    color: var(--bright-gold);

    font-size: 8px;

}


/* =========================================================
   ENGINEERING SECTION
========================================================= */

.process-engineering-section {

    position: relative;

    min-height: 700px;

    display: flex;

    align-items: center;

    overflow: hidden;

    background: var(--deep-navy);

}

.process-engineering-background {

    position: absolute;

    inset: 0;

    background-image:
        url("https://images.unsplash.com/photo-1581094794329-c8112a89af12?auto=format&fit=crop&w=2200&q=85");

    background-size: cover;

    background-position: center;

}

.process-engineering-overlay {

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(7,16,31,0.98) 0%,
            rgba(7,16,31,0.95) 43%,
            rgba(7,16,31,0.78) 100%
        );

}

.process-engineering-section::after {

    content: "";

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            rgba(0,169,255,0.06) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(0,169,255,0.06) 1px,
            transparent 1px
        );

    background-size: 80px 80px;

    pointer-events: none;

}

.process-engineering-container {

    position: relative;

    z-index: 2;

    display: grid;

    grid-template-columns: 1fr 450px;

    gap: 100px;

    align-items: center;

}

.engineering-content {

    max-width: 650px;

}

.engineering-content h2 {

    margin-bottom: 30px;

    font-size: clamp(40px, 4.5vw, 62px);

    letter-spacing: -2px;

}

.engineering-content h2 span {
    display: block;
}

.engineering-content p {

    max-width: 620px;

    margin-bottom: 17px;

    color: var(--soft-white);

    font-size: 14px;

    line-height: 1.9;

}

.engineering-content .btn {

    margin-top: 22px;

}


/* =========================================================
   ENGINEERING DIAGRAM
========================================================= */

.engineering-diagram {

    position: relative;

    padding: 34px;

    background:
        rgba(13,27,46,0.9);

    border: 1px solid rgba(201,209,217,0.17);

    box-shadow:
        0 30px 80px rgba(0,0,0,0.35);

}

.engineering-diagram::before {

    content: "";

    position: absolute;

    top: -1px;
    left: 30px;

    width: 85px;
    height: 3px;

    background: var(--electric-blue);

}

.diagram-header {

    display: flex;

    justify-content: space-between;

    color: var(--silver);

    font-family: "Montserrat", sans-serif;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 2px;

}

.diagram-header span:last-child {
    color: var(--bright-gold);
}

.diagram-line {

    height: 1px;

    margin: 20px 0 5px;

    background: rgba(201,209,217,0.16);

}

.diagram-step {

    position: relative;

    display: grid;

    grid-template-columns: 50px 1fr;

    align-items: center;

    gap: 16px;

    padding: 23px 0;

    border-bottom: 1px solid rgba(201,209,217,0.1);

}

.diagram-step:last-child {
    border-bottom: 0;
}

.diagram-step > span {

    color: var(--electric-blue);

    font-family: "Montserrat", sans-serif;

    font-size: 12px;

    font-weight: 800;

}

.diagram-step strong {

    display: block;

    color: var(--white);

    font-family: "Montserrat", sans-serif;

    font-size: 12px;

    letter-spacing: 1px;

}

.diagram-step small {

    display: block;

    margin-top: 4px;

    color: var(--silver);

    font-size: 10px;

}


/* =========================================================
   APPLICATIONS SECTION
========================================================= */

.process-applications {

    background: var(--soft-white);

    color: var(--deep-navy);

}

.applications-heading {

    max-width: 760px;

    margin-bottom: 60px;

}

.process-applications .section-label {

    color: var(--royal-blue);

}

.process-applications .section-label::before {

    background: var(--royal-blue);

}

.applications-heading h2 {

    margin-bottom: 20px;

    font-size: clamp(40px, 4.5vw, 58px);

    letter-spacing: -1.7px;

}

.applications-heading h2 span {

    display: block;

    color: var(--royal-blue);

}

.applications-heading p {

    max-width: 650px;

    color: rgba(7,16,31,0.62);

    font-size: 14px;

    line-height: 1.9;

}

.applications-grid {

    display: grid;

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

    gap: 18px;

}

.application-card {

    position: relative;

    min-height: 310px;

    padding: 35px 30px;

    background: var(--white);

    border: 1px solid rgba(7,16,31,0.1);

    overflow: hidden;

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);

}

.application-card::after {

    content: "";

    position: absolute;

    bottom: 0;
    left: 0;

    width: 0;

    height: 3px;

    background: var(--royal-blue);

    transition: width var(--transition);

}

.application-card:hover {

    transform: translateY(-7px);

    border-color: rgba(7,89,201,0.3);

    box-shadow:
        0 20px 45px rgba(7,16,31,0.12);

}

.application-card:hover::after {
    width: 100%;
}

.application-number {

    position: absolute;

    top: 15px;

    right: 20px;

    color: rgba(7,89,201,0.08);

    font-family: "Montserrat", sans-serif;

    font-size: 70px;

    font-weight: 800;

    line-height: 1;

}

.application-card > i {

    width: 50px;
    height: 50px;

    display: flex;

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

    margin-bottom: 55px;

    background: rgba(7,89,201,0.08);

    color: var(--royal-blue);

    font-size: 18px;

}

.application-card h3 {

    margin-bottom: 12px;

    color: var(--deep-navy);

    font-size: 21px;

}

.application-card p {

    color: rgba(7,16,31,0.58);

    font-size: 12px;

    line-height: 1.8;

}


/* =========================================================
   PROCESS NOTE
========================================================= */

.process-note {

    background: var(--white);

    color: var(--deep-navy);

    padding-top: 30px;

}

.process-note-grid {

    display: grid;

    grid-template-columns: 0.9fr 1.1fr;

    gap: 100px;

    padding-top: 40px;

    border-top: 1px solid rgba(7,16,31,0.12);

}

.note-heading h2 {

    max-width: 520px;

    font-size: clamp(38px, 4vw, 54px);

    letter-spacing: -1.5px;

}

.note-heading h2 span {

    display: block;

    color: var(--royal-blue);

}

.note-content {

    max-width: 650px;

}

.note-content .lead {

    margin-bottom: 20px;

    color: var(--deep-navy);

    font-size: 17px;

    line-height: 1.75;

    font-weight: 500;

}

.note-content > p:not(.lead) {

    margin-bottom: 28px;

    color: rgba(7,16,31,0.6);

    font-size: 14px;

    line-height: 1.9;

}

.text-link {

    display: inline-flex;

    align-items: center;

    gap: 12px;

    color: var(--royal-blue);

    font-family: "Montserrat", sans-serif;

    font-size: 11px;

    font-weight: 800;

    letter-spacing: 0.8px;

    text-transform: uppercase;

}

.text-link i {

    transition: transform var(--transition-fast);

}

.text-link:hover i {
    transform: translateX(5px);
}


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

.process-cta {

    position: relative;

    min-height: 560px;

    display: flex;

    align-items: center;

    overflow: hidden;

}

.process-cta-background {

    position: absolute;

    inset: 0;

    background-image:
        url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=2200&q=85");

    background-size: cover;

    background-position: center;

}

.process-cta-overlay {

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(7,16,31,0.98),
            rgba(7,16,31,0.78),
            rgba(7,16,31,0.9)
        );

}

.process-cta::after {

    content: "";

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            rgba(0,169,255,0.04) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(0,169,255,0.04) 1px,
            transparent 1px
        );

    background-size: 75px 75px;

}

.process-cta .container {

    position: relative;

    z-index: 2;

}

.process-cta-content {

    max-width: 760px;

}

.process-cta-content h2 {

    margin-bottom: 25px;

    font-size: clamp(40px, 5vw, 66px);

    letter-spacing: -2px;

}

.process-cta-content h2 span {

    display: block;

}

.process-cta-content p {

    max-width: 650px;

    color: var(--soft-white);

    font-size: 15px;

    line-height: 1.9;

}

.cta-actions {

    display: flex;

    flex-wrap: wrap;

    gap: 13px;

    margin-top: 34px;

}


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

.site-footer {

    background: var(--deep-navy);

    border-top: 1px solid rgba(201,209,217,0.1);

}

.footer-main {

    display: grid;

    grid-template-columns: 1.5fr 1fr 1.2fr 1fr;

    gap: 55px;

    padding: 80px 0 65px;

}

.footer-brand p {

    max-width: 280px;

    margin-top: 22px;

    color: var(--silver);

    font-size: 12px;

    line-height: 1.8;

}

.footer-column {

    display: flex;

    flex-direction: column;

    align-items: flex-start;

    gap: 10px;

}

.footer-column h3 {

    margin-bottom: 12px;

    color: var(--white);

    font-size: 12px;

    letter-spacing: 0.5px;

}

.footer-column a,
.footer-column span {

    color: var(--silver);

    font-size: 11px;

    transition:
        color var(--transition-fast),
        transform var(--transition-fast);

}

.footer-column a:hover {

    color: var(--bright-gold);

    transform: translateX(3px);

}

.footer-contact a:first-of-type {

    color: var(--white);

    font-weight: 600;

}

.footer-contact a:last-child {

    margin-top: 7px;

    color: var(--electric-blue);

    font-weight: 600;

}


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

.footer-bottom {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;

    padding: 22px 0;

    border-top: 1px solid rgba(201,209,217,0.1);

}

.footer-bottom p {

    color: rgba(201,209,217,0.65);

    font-size: 10px;

}

.footer-bottom-links a {

    display: inline-flex;

    align-items: center;

    gap: 8px;

    color: var(--silver);

    font-family: "Montserrat", sans-serif;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 0.8px;

    text-transform: uppercase;

    transition: color var(--transition-fast);

}

.footer-bottom-links a:hover {
    color: var(--bright-gold);
}


/* =========================================================
   FLOATING WHATSAPP
========================================================= */

.floating-whatsapp {

    position: fixed;

    right: 25px;

    bottom: 25px;

    z-index: 900;

    width: 56px;
    height: 56px;

    display: flex;

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

    border-radius: 50%;

    background: var(--royal-blue);

    border: 2px solid rgba(255,255,255,0.75);

    color: var(--white);

    font-size: 22px;

    box-shadow:
        0 12px 35px rgba(0,0,0,0.3);

    transition:
        transform var(--transition-fast),
        background var(--transition-fast);

}

.floating-whatsapp:hover {

    transform: translateY(-5px) scale(1.04);

    background: var(--electric-blue);

}


/* =========================================================
   RESPONSIVE — 1200px
========================================================= */

@media (max-width: 1200px) {

    .container {
        width: min(calc(100% - 40px), 1100px);
    }

    .main-navigation {
        gap: 19px;
    }

    .nav-link {
        font-size: 11px;
    }

    .process-hero-container {
        grid-template-columns: minmax(0, 1fr) 370px;
        gap: 50px;
    }

    .process-step-content {
        padding: 50px;
    }

    .process-engineering-container {
        gap: 60px;
    }

    .footer-main {
        gap: 35px;
    }

}


/* =========================================================
   RESPONSIVE — 992px
========================================================= */

@media (max-width: 992px) {

    :root {
        --header-height: 76px;
    }

    .main-navigation,
    .header-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .section-padding {
        padding: 90px 0;
    }

    .process-hero {
        min-height: auto;

        padding: 150px 0 90px;
    }

    .process-hero-container {

        grid-template-columns: 1fr;

        gap: 55px;

    }

    .process-hero-content {
        max-width: 760px;
    }

    .process-hero-panel {
        width: min(100%, 600px);
    }

    .process-heading {

        grid-template-columns: 1fr;

        gap: 25px;

        margin-bottom: 55px;

    }

    .process-step,
    .process-step-reverse {

        grid-template-columns: 1fr;

    }

    .process-step-image,
    .process-step-reverse .process-step-image {

        order: 1;

        min-height: 430px;

    }

    .process-step-content,
    .process-step-reverse .process-step-content {

        order: 2;

        padding: 50px;

    }

    .process-engineering-container {

        grid-template-columns: 1fr;

        gap: 55px;

    }

    .engineering-content {
        max-width: 750px;
    }

    .engineering-diagram {
        width: min(100%, 600px);
    }

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

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

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

}


/* =========================================================
   RESPONSIVE — 768px
========================================================= */

@media (max-width: 768px) {

    .container {
        width: min(calc(100% - 32px), 680px);
    }

    .section-padding {
        padding: 75px 0;
    }

    .brand-subtitle {
        font-size: 6px;
        letter-spacing: 1px;
    }

    .process-hero {

        padding-top: 125px;

    }

    .breadcrumb {
        margin-bottom: 32px;
    }

    .process-hero h1 {

        font-size: clamp(40px, 9vw, 54px);

        letter-spacing: -1.8px;

    }

    .process-hero-content > p {
        font-size: 14px;
        line-height: 1.8;
    }

    .hero-actions {

        flex-direction: column;

        align-items: stretch;

    }

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

    .process-hero-panel {
        padding: 22px;
    }

    .process-intro-grid {

        grid-template-columns: 1fr;

        gap: 35px;

    }

    .intro-number {

        flex-direction: row;

        align-items: center;

        gap: 14px;

    }

    .intro-number span {
        font-size: 40px;
    }

    .intro-number div {
        width: 30px;
    }

    .intro-heading h2 {
        font-size: 42px;
    }

    .process-heading h2 {
        font-size: 42px;
    }

    .process-step {
        margin-bottom: 30px;
    }

    .process-step-image,
    .process-step-reverse .process-step-image {
        min-height: 350px;
    }

    .process-step-content,
    .process-step-reverse .process-step-content {
        padding: 38px 30px;
    }

    .process-step-content::before {
        top: 38px;
    }

    .process-step-top {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .process-step h3 {
        font-size: 32px;
    }

    .applications-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .application-card {
        min-height: 280px;
        padding: 28px 24px;
    }

    .application-card > i {
        margin-bottom: 45px;
    }

    .process-cta {
        min-height: 500px;
        padding: 90px 0;
    }

    .process-cta-content h2 {
        font-size: 42px;
    }

    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 45px 30px;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px;
    }

}


/* =========================================================
   RESPONSIVE — 576px
========================================================= */

@media (max-width: 576px) {

    :root {
        --header-height: 72px;
    }

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

    .brand-mark {
        width: 40px;
        height: 40px;
        font-size: 12px;
    }

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

    .brand-subtitle {
        font-size: 5.5px;
        letter-spacing: 0.8px;
    }

    .mobile-menu-toggle {
        width: 42px;
        height: 42px;
    }

    .process-hero {

        padding: 112px 0 75px;

    }

    .process-hero h1 {

        font-size: 39px;

        letter-spacing: -1.4px;

        margin-bottom: 22px;

    }

    .page-eyebrow {
        font-size: 9px;
        letter-spacing: 2px;
    }

    .process-hero-content > p {
        font-size: 13px;
    }

    .process-hero-panel {
        padding: 18px;
    }

    .panel-top {
        font-size: 7px;
    }

    .panel-step {
        grid-template-columns: 27px 1fr;
        gap: 10px;
        padding: 10px 0;
    }

    .panel-step strong {
        font-size: 10px;
    }

    .panel-step small {
        font-size: 8px;
    }

    .panel-footer {
        font-size: 8px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .intro-heading h2,
    .process-heading h2 {
        font-size: 35px;
    }

    .intro-text .lead {
        font-size: 16px;
    }

    .process-heading {
        margin-bottom: 42px;
    }

    .process-step-image,
    .process-step-reverse .process-step-image {
        min-height: 270px;
    }

    .process-image-number {
        top: 18px;
        left: 18px;
        width: 56px;
        height: 56px;
        font-size: 15px;
    }

    .process-step-reverse .process-image-number {
        right: 18px;
        left: auto;
    }

    .process-step-content,
    .process-step-reverse .process-step-content {
        padding: 32px 22px;
    }

    .process-step-content::before {
        top: 32px;
        height: 55px;
    }

    .process-step h3 {
        font-size: 28px;
    }

    .process-lead {
        font-size: 13px;
    }

    .process-step-content > p:not(.process-lead) {
        font-size: 12px;
    }

    .process-features > div {
        font-size: 10px;
    }

    .process-engineering-section {
        min-height: auto;
        padding: 80px 0;
    }

    .engineering-content h2 {
        font-size: 38px;
    }

    .engineering-content p {
        font-size: 13px;
    }

    .engineering-diagram {
        padding: 24px 20px;
    }

    .diagram-step {
        padding: 18px 0;
    }

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

    .application-card {
        min-height: 240px;
    }

    .application-card > i {
        margin-bottom: 40px;
    }

    .process-note-grid {
        gap: 30px;
    }

    .note-heading h2 {
        font-size: 36px;
    }

    .note-content .lead {
        font-size: 15px;
    }

    .process-cta {
        min-height: auto;
        padding: 80px 0;
    }

    .process-cta-content h2 {
        font-size: 37px;
    }

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

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-actions .btn {
        width: 100%;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 38px;
        padding: 60px 0 45px;
    }

    .footer-brand p {
        max-width: 320px;
    }

    .footer-bottom {
        padding: 20px 0;
    }

    .footer-bottom p {
        line-height: 1.6;
    }

    .floating-whatsapp {
        width: 51px;
        height: 51px;
        right: 17px;
        bottom: 17px;
        font-size: 20px;
    }

}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

}