:root {
    --navy: #08233d;
    --navy-soft: #123c59;

    --teal: #149da3;
    --teal-soft: #eaf7f7;

    --green: #99ca45;
    --green-soft: #f2f8e9;

    --text: #183044;
    --muted: #687986;

    --background: #f8fafb;
    --white: #ffffff;

    --border: rgba(8, 35, 61, 0.10);
    --border-dark: rgba(8, 35, 61, 0.16);

    --radius-small: 8px;
    --radius-medium: 14px;
    --radius-large: 18px;

    --container: 1180px;
}


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

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;

    font-family:
        "Manrope",
        Arial,
        sans-serif;

    color: var(--text);
    background: var(--white);

    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;

    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

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

.site-page {
    min-height: 100vh;
}

.container {
    width:
        min(
            var(--container),
            calc(100% - 64px)
        );

    margin-left: auto;
    margin-right: auto;
}


/* =========================================
   TOP ACCENT
========================================= */

.top-accent {
    height: 3px;

    background:
        linear-gradient(
            90deg,
            var(--navy),
            var(--teal),
            var(--green)
        );
}


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

.site-header {
    position: relative;
    z-index: 50;

    background:
        rgba(255, 255, 255, 0.98);

    border-bottom:
        1px solid var(--border);
}

.header-inner {
    min-height: 82px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 34px;
}

.brand {
    flex: 0 1 auto;

    display: flex;
    align-items: center;

    text-decoration: none;
}

.site-logo {
    display: block;

    width: 300px;
    max-width: 100%;

    height: auto;
}


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

.main-navigation {
    display: flex;
    align-items: center;

    gap: 25px;
}

.main-navigation > a {
    position: relative;

    color: var(--text);

    font-size: 12px;
    font-weight: 500;

    text-decoration: none;
    white-space: nowrap;

    transition:
        color 0.2s ease;
}

.main-navigation > a:hover,
.main-navigation > a.active {
    color: var(--teal);
}

.main-navigation > a:not(.nav-button)::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -9px;

    width: 0;
    height: 1px;

    background: var(--teal);

    transition:
        width 0.2s ease;
}

.main-navigation > a:hover::after,
.main-navigation > a.active::after {
    width: 100%;
}

.main-navigation .nav-button {
    margin-left: 4px;

    padding: 12px 17px;

    color: var(--white);

    background: var(--navy);

    border-radius: var(--radius-small);
}

.main-navigation .nav-button:hover {
    color: var(--white);

    background: var(--navy-soft);
}


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

.mobile-menu-button {
    display: none;

    width: 42px;
    height: 42px;

    flex: 0 0 42px;

    align-items: center;
    justify-content: center;
    flex-direction: column;

    gap: 5px;

    border:
        1px solid var(--border);

    border-radius:
        var(--radius-small);

    background: var(--white);

    cursor: pointer;
}

.mobile-menu-button span {
    width: 18px;
    height: 1.5px;

    background: var(--navy);

    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}


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

h1,
h2,
h3,
h4 {
    color: var(--navy);

    font-weight: 500;

    letter-spacing:
        -0.035em;
}

h1 {
    font-size:
        clamp(
            46px,
            5vw,
            64px
        );

    line-height: 1.05;
}

h2 {
    font-size:
        clamp(
            32px,
            4vw,
            44px
        );

    line-height: 1.12;
}

h3 {
    font-size: 21px;
    line-height: 1.3;
}

.section-label {
    display: inline-block;

    margin-bottom: 18px;

    color: var(--teal);

    font-size: 10px;
    font-weight: 700;

    letter-spacing:
        0.15em;

    text-transform:
        uppercase;
}

.section-intro {
    max-width: 680px;

    margin-top: 20px;

    color: var(--muted);

    font-size: 16px;

    line-height: 1.8;
}


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

.button {
    min-height: 48px;

    padding: 13px 21px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius:
        var(--radius-small);

    font-size: 12px;
    font-weight: 600;

    text-decoration: none;

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.button:hover {
    transform:
        translateY(-1px);
}

.button-primary {
    color: var(--white);

    background: var(--navy);

    border:
        1px solid var(--navy);
}

.button-primary:hover {
    background:
        var(--navy-soft);
}

.button-outline {
    color: var(--navy);

    background:
        rgba(255, 255, 255, 0.94);

    border:
        1px solid var(--border-dark);
}

.button-outline:hover {
    border-color:
        rgba(20, 157, 163, 0.40);

    background:
        var(--white);
}


/* =========================================
   GLOBAL SECTIONS
========================================= */

.section {
    padding:
        100px 0;
}

.section-light {
    background:
        var(--background);
}

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

.section-heading {
    max-width:
        760px;
}


/* =========================================
   HOMEPAGE HERO
========================================= */

.hero-full {
    position: relative;

    min-height: 650px;

    display: flex;
    align-items: center;

    overflow: hidden;

    background:
        var(--background);
}

.hero-full::before {
    content: "";

    position: absolute;

    z-index: 0;

    inset: 0;

    width: 100%;
    height: 100%;

    background-image:
        url("/assets/images/website/hero-uta.webp");

    background-repeat:
        no-repeat;

    background-size:
        auto 100%;

    background-position:
        right center;

    background-color:
        var(--background);
}

.hero-overlay {
    position: absolute;

    z-index: 1;

    inset: 0;

    pointer-events: none;

    background:
        linear-gradient(
            90deg,
            rgba(248, 250, 251, 1) 0%,
            rgba(248, 250, 251, 1) 22%,
            rgba(248, 250, 251, 0.99) 30%,
            rgba(248, 250, 251, 0.97) 37%,
            rgba(248, 250, 251, 0.90) 43%,
            rgba(248, 250, 251, 0.72) 48%,
            rgba(248, 250, 251, 0.46) 53%,
            rgba(248, 250, 251, 0.20) 58%,
            rgba(248, 250, 251, 0) 63%
        );
}

.hero-full-inner {
    position: relative;

    z-index: 2;

    padding-top: 92px;
    padding-bottom: 92px;
}

.hero-content {
    width: 100%;
    max-width: 565px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;

    gap: 10px;

    margin-bottom: 24px;

    color: var(--teal);

    font-size: 9px;
    font-weight: 700;

    letter-spacing:
        0.14em;

    text-transform:
        uppercase;
}

.hero-eyebrow::before {
    content: "";

    width: 7px;
    height: 7px;

    flex: 0 0 7px;

    border-radius: 50%;

    background:
        var(--green);

    box-shadow:
        0 0 0 5px
        rgba(153, 202, 69, 0.12);
}

.hero-full h1 {
    max-width: 565px;
}

.hero-full h1 span {
    display: block;

    color: var(--teal);
}

.hero-description {
    max-width: 525px;

    margin-top: 26px;

    color: var(--muted);

    font-size: 16px;

    line-height: 1.8;
}

.hero-description strong {
    color: var(--text);

    font-weight: 600;
}

.hero-actions {
    margin-top: 34px;

    display: flex;
    flex-wrap: wrap;

    gap: 12px;
}


/* =========================================
   HOMEPAGE THREE TIERS
========================================= */

.tier-grid {
    margin-top: 62px;

    display: grid;

    grid-template-columns:
        repeat(
            3,
            minmax(0, 1fr)
        );

    gap: 42px;
}

.tier-item {
    position: relative;

    min-width: 0;
}

.tier-item:not(:first-child)::before {
    content: "";

    position: absolute;

    left: -21px;

    top: 0;
    bottom: 0;

    width: 1px;

    background:
        var(--border);
}

.tier-image-wrap {
    width: 100%;

    margin-bottom: 30px;

    overflow: hidden;

    border-radius:
        12px;

    background:
        var(--background);
}

.tier-image {
    display: block;

    width: 100%;

    aspect-ratio:
        3 / 2;

    object-fit:
        cover;

    object-position:
        center;

    border-radius:
        12px;

    box-shadow:
        none;

    transition:
        transform 0.4s ease;
}

.tier-item:hover .tier-image {
    transform:
        scale(1.01);
}

.tier-number {
    display: block;

    margin-bottom: 16px;

    color: var(--green);

    font-size: 10px;
    font-weight: 700;

    letter-spacing:
        0.13em;
}

.tier-item h3 {
    margin-bottom: 14px;
}

.tier-item p {
    color: var(--muted);

    font-size: 14px;

    line-height: 1.75;
}

.text-link {
    margin-top: 22px;

    display: inline-flex;
    align-items: center;

    gap: 8px;

    color: var(--teal);

    font-size: 11px;
    font-weight: 600;

    text-decoration: none;

    transition:
        color 0.2s ease,
        gap 0.2s ease;
}

.text-link:hover {
    color: var(--navy);

    gap: 11px;
}


/* =========================================
   HOMEPAGE PROCESS
========================================= */

.process-section-head {
    max-width: 720px;

    margin-bottom: 52px;
}

.process-timeline {
    position: relative;

    display: grid;

    grid-template-columns:
        repeat(
            4,
            minmax(0, 1fr)
        );

    gap: 40px;

    overflow: visible;
}

.process-timeline::before {
    content: "";

    position: absolute;

    z-index: 0;

    top: 43px;

    left: 0;
    right: -28px;

    height: 1px;

    background:
        linear-gradient(
            90deg,
            rgba(20, 157, 163, 0.25),
            rgba(20, 157, 163, 0.42),
            rgba(8, 35, 61, 0.22)
        );
}

.process-timeline::after {
    content: "";

    position: absolute;

    z-index: 1;

    top: 39px;
    right: -34px;

    width: 0;
    height: 0;

    border-top:
        5px solid transparent;

    border-bottom:
        5px solid transparent;

    border-left:
        8px solid rgba(8, 35, 61, 0.28);
}

.timeline-step {
    position: relative;

    min-width: 0;
}

.timeline-marker {
    position: relative;

    z-index: 2;

    height: 70px;

    text-align: left;
}

.timeline-number {
    display: block;

    margin-bottom: 17px;

    color: var(--green);

    font-size: 10px;
    font-weight: 700;

    letter-spacing:
        0.13em;

    line-height: 1;
}

.timeline-dot {
    position: relative;

    z-index: 2;

    display: block;

    width: 11px;
    height: 11px;

    border-radius: 50%;

    background:
        var(--background);

    border:
        2px solid var(--green);
}

.timeline-content {
    max-width: 250px;

    padding-top: 8px;
}

.timeline-content h3 {
    margin-bottom: 13px;

    font-size: 18px;
}

.timeline-content p {
    color: var(--muted);

    font-size: 13px;

    line-height: 1.75;
}


/* =========================================
   HOMEPAGE TECHNICAL CAPABILITY
========================================= */

.credibility {
    position: relative;

    overflow: hidden;

    color: var(--white);

    background:
        var(--navy);
}

.credibility::before {
    content: "";

    position: absolute;

    top: -220px;
    right: -120px;

    width: 620px;
    height: 620px;

    border-radius: 50%;

    border:
        1px solid rgba(255, 255, 255, 0.015);

    box-shadow:
        0 0 0 80px rgba(255, 255, 255, 0.008),
        0 0 0 160px rgba(255, 255, 255, 0.005);

    pointer-events: none;
}

.credibility .container {
    position: relative;

    z-index: 2;
}

.credibility-heading {
    max-width: 760px;

    margin-bottom: 68px;
}

.credibility .section-label {
    color: #74d7d5;
}

.credibility h2 {
    color: var(--white);
}

.credibility .section-intro {
    color:
        rgba(
            255,
            255,
            255,
            0.68
        );
}


/* =========================================
   HOMEPAGE CAPABILITY STACK
========================================= */

.capability-stack {
    border-top:
        1px solid rgba(255, 255, 255, 0.14);
}

.capability-row {
    display: grid;

    grid-template-columns:
        65px
        300px
        minmax(0, 1fr);

    gap:
        38px;

    padding:
        38px 0 40px;

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

    align-items: start;
}

.capability-row-number {
    padding-top: 4px;

    color: var(--green);

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.14em;
}

.capability-kicker {
    display: block;

    margin-bottom: 8px;

    color:
        rgba(116, 215, 213, 0.76);

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.14em;

    text-transform: uppercase;
}

.capability-row-title h3 {
    color: var(--white);

    font-size: 20px;

    white-space: nowrap;
}

.capability-row-detail p {
    max-width: 620px;

    color:
        rgba(255, 255, 255, 0.70);

    font-size: 14px;

    line-height: 1.75;
}

.capability-list {
    margin-top: 20px;

    display: flex;
    flex-wrap: wrap;

    gap:
        10px 22px;
}

.capability-list span {
    position: relative;

    padding-left: 12px;

    color:
        rgba(255, 255, 255, 0.92);

    font-size: 11px;

    font-weight: 500;
}

.capability-list span::before {
    content: "";

    position: absolute;

    left: 0;
    top: 50%;

    width: 4px;
    height: 4px;

    border-radius: 50%;

    background: var(--green);

    transform:
        translateY(-50%);
}


/* =========================================
   HOMEPAGE EXPERIENCE
========================================= */

.experience-statement {
    margin-top: 28px;
    margin-bottom: 12px;

    display: grid;

    grid-template-columns:
        115px
        minmax(0, 620px);

    gap: 28px;
}

.experience-years {
    color: var(--green);

    font-size: 28px;
    font-weight: 500;

    line-height: 1.1;
}

.experience-label {
    display: block;

    margin-bottom: 7px;

    color: #74d7d5;

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.11em;

    text-transform: uppercase;
}

.experience-statement p {
    color:
        rgba(255, 255, 255, 0.62);

    font-size: 13px;

    line-height: 1.7;
}


/* =========================================
   PRODUCT DEVELOPMENT IMMERSIVE HERO
========================================= */

.pd-hero-immersive {
    position: relative;

    min-height: 670px;

    display: flex;
    align-items: center;

    overflow: hidden;

    background:
        var(--background);
}

.pd-hero-background {
    position: absolute;

    inset: 0;

    z-index: 0;

    background-image:
        url("/assets/images/website/pd-hero.webp");

    background-repeat:
        no-repeat;

    background-size:
        auto 100%;

    background-position:
        right center;
}

.pd-hero-fade {
    position: absolute;

    inset: 0;

    z-index: 1;

    pointer-events: none;

    background:
        linear-gradient(
            90deg,
            rgba(248, 250, 251, 1) 0%,
            rgba(248, 250, 251, 1) 26%,
            rgba(248, 250, 251, 0.99) 34%,
            rgba(248, 250, 251, 0.95) 41%,
            rgba(248, 250, 251, 0.76) 48%,
            rgba(248, 250, 251, 0.42) 55%,
            rgba(248, 250, 251, 0.10) 62%,
            rgba(248, 250, 251, 0) 68%
        );
}

.pd-hero-immersive-inner {
    position: relative;

    z-index: 2;

    padding-top: 90px;
    padding-bottom: 90px;
}

.pd-hero-copy {
    max-width: 610px;
}

.pd-hero-eyebrow {
    display: inline-flex;
    align-items: center;

    gap: 10px;

    margin-bottom: 24px;

    color: var(--teal);

    font-size: 10px;
    font-weight: 700;

    letter-spacing:
        0.15em;

    text-transform: uppercase;
}

.pd-hero-eyebrow::before {
    content: "";

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--green);

    box-shadow:
        0 0 0 5px
        rgba(153, 202, 69, 0.12);
}

.pd-hero-copy h1 {
    max-width: 590px;

    font-size:
        clamp(
            48px,
            5vw,
            64px
        );
}

.pd-hero-copy h1 span {
    display: block;

    color: var(--teal);
}

.pd-hero-lead {
    max-width: 545px;

    margin-top: 28px;

    color: var(--text);

    font-size: 17px;

    line-height: 1.8;
}

.pd-hero-support {
    max-width: 520px;

    margin-top: 14px;

    color: var(--muted);

    font-size: 14px;

    line-height: 1.75;
}

.pd-hero-actions {
    margin-top: 30px;
}

.pd-hero-disciplines {
    margin-top: 36px;

    display: flex;
    flex-wrap: wrap;

    gap:
        9px 24px;
}

.pd-hero-disciplines span {
    position: relative;

    padding-left: 12px;

    color: var(--navy);

    font-size: 10px;

    font-weight: 600;
}

.pd-hero-disciplines span::before {
    content: "";

    position: absolute;

    left: 0;
    top: 50%;

    width: 4px;
    height: 4px;

    border-radius: 50%;

    background: var(--green);

    transform:
        translateY(-50%);
}


/* =========================================
   ENGINEERING STACK
========================================= */

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

.pd-stack-heading {
    max-width: 760px;
}

.pd-stack {
    margin-top: 68px;
}

.pd-stack-start,
.pd-stack-end {
    display: flex;
    align-items: baseline;

    gap: 18px;
}

.pd-stack-start {
    margin-bottom: 34px;
}

.pd-stack-end {
    margin-top: 34px;

    justify-content: flex-end;
}

.pd-stack-small {
    color: var(--teal);

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.13em;

    text-transform: uppercase;
}

.pd-stack-start strong,
.pd-stack-end strong {
    color: var(--navy);

    font-size: 19px;
    font-weight: 500;
}

.pd-stack-line {
    position: relative;

    display: grid;

    grid-template-columns:
        repeat(
            5,
            minmax(0, 1fr)
        );

    gap: 34px;
}

.pd-stack-line::before {
    content: "";

    position: absolute;

    top: 43px;

    left: 0;
    right: -28px;

    height: 1px;

    background:
        linear-gradient(
            90deg,
            rgba(20,157,163,0.28),
            rgba(20,157,163,0.44),
            rgba(8,35,61,0.20)
        );
}

.pd-stack-line::after {
    content: "";

    position: absolute;

    top: 39px;
    right: -34px;

    width: 0;
    height: 0;

    border-top:
        5px solid transparent;

    border-bottom:
        5px solid transparent;

    border-left:
        8px solid rgba(8,35,61,0.28);
}

.pd-stack-item {
    position: relative;
}

.pd-stack-marker {
    position: relative;

    z-index: 2;

    height: 70px;
}

.pd-stack-number {
    display: block;

    margin-bottom: 17px;

    color: var(--green);

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.13em;
}

.pd-stack-node {
    display: block;

    width: 11px;
    height: 11px;

    border-radius: 50%;

    background: var(--white);

    border:
        2px solid var(--green);
}

.pd-stack-label {
    display: block;

    margin-top: 7px;
    margin-bottom: 6px;

    color: var(--teal);

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.12em;

    text-transform: uppercase;
}

.pd-stack-item h3 {
    margin-bottom: 10px;

    font-size: 19px;
}

.pd-stack-item p {
    max-width: 205px;

    color: var(--muted);

    font-size: 12px;

    line-height: 1.7;
}


/* =========================================
   TANGIBLE DEVELOPMENT
========================================= */

.pd-tangible {
    padding:
        100px 0;

    background:
        var(--background);
}

.pd-tangible-heading {
    max-width: 760px;
}

.pd-tangible-heading > p {
    max-width: 650px;

    margin-top: 20px;

    color: var(--muted);

    font-size: 15px;

    line-height: 1.8;
}

.pd-tangible-grid {
    margin-top: 58px;

    display: grid;

    grid-template-columns:
        1.2fr 0.8fr;

    gap: 32px;
}

.pd-tangible-large {
    grid-row:
        span 2;
}

.pd-tangible-item {
    min-width: 0;
}

.pd-tangible-image-wrap {
    overflow: hidden;

    border-radius: 12px;

    background: var(--navy);
}

.pd-tangible-image {
    width: 100%;

    aspect-ratio:
        16 / 10;

    object-fit: cover;

    border-radius: 12px;

    transition:
        transform 0.5s ease;
}

.pd-tangible-large .pd-tangible-image {
    aspect-ratio:
        4 / 3;
}

.pd-tangible-item:hover .pd-tangible-image {
    transform:
        scale(1.015);
}

.pd-tangible-meta {
    margin-top: 20px;

    display: grid;

    grid-template-columns:
        42px 1fr;

    gap: 18px;
}

.pd-tangible-number {
    color: var(--green);

    font-size: 10px;
    font-weight: 700;
}

.pd-tangible-label {
    display: block;

    margin-bottom: 5px;

    color: var(--teal);

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.12em;

    text-transform: uppercase;
}

.pd-tangible-meta h3 {
    max-width: 450px;

    font-size: 18px;
}


/* =========================================
   DEVELOPMENT PATHS
========================================= */

.pd-development-paths {
    position: relative;

    overflow: hidden;

    color: var(--white);

    background: var(--navy);
}

.pd-development-paths::after {
    content: "";

    position: absolute;

    width: 620px;
    height: 620px;

    top: -300px;
    right: -150px;

    border-radius: 50%;

    border:
        1px solid rgba(255,255,255,0.018);

    box-shadow:
        0 0 0 90px rgba(255,255,255,0.007),
        0 0 0 180px rgba(255,255,255,0.004);

    pointer-events: none;
}

.pd-development-paths .container {
    position: relative;

    z-index: 2;
}

.pd-development-paths .section-label {
    color: #74d7d5;
}

.pd-dark-heading {
    max-width: 760px;
}

.pd-dark-heading h2 {
    color: var(--white);
}

.pd-dark-heading p {
    max-width: 660px;

    margin-top: 20px;

    color:
        rgba(255,255,255,0.66);

    font-size: 15px;

    line-height: 1.8;
}

.pd-path-grid {
    margin-top: 62px;

    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

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

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

.pd-path-item {
    padding:
        42px 42px 44px 0;
}

.pd-path-item + .pd-path-item {
    padding-left: 42px;
    padding-right: 0;

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

.pd-path-number {
    display: block;

    margin-bottom: 30px;

    color: var(--green);

    font-size: 10px;
    font-weight: 700;
}

.pd-path-label {
    display: block;

    margin-bottom: 11px;

    color: #74d7d5;

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.13em;

    text-transform: uppercase;
}

.pd-path-item h3 {
    max-width: 430px;

    color: var(--white);

    font-size: 25px;

    line-height: 1.28;
}

.pd-path-item > p {
    max-width: 500px;

    margin-top: 20px;

    color:
        rgba(255,255,255,0.66);

    font-size: 14px;

    line-height: 1.8;
}

.pd-path-points {
    margin-top: 28px;

    display: flex;
    flex-wrap: wrap;

    gap:
        10px 24px;
}

.pd-path-points span {
    position: relative;

    padding-left: 12px;

    color:
        rgba(255,255,255,0.92);

    font-size: 11px;
    font-weight: 500;
}

.pd-path-points span::before {
    content: "";

    position: absolute;

    left: 0;
    top: 50%;

    width: 4px;
    height: 4px;

    border-radius: 50%;

    background: var(--green);

    transform:
        translateY(-50%);
}


/* =========================================
   PRODUCT DEVELOPMENT PROCESS
========================================= */

.pd-process-section {
    background:
        var(--background);
}

.pd-process-heading {
    max-width: 760px;
}

.pd-process-timeline {
    position: relative;

    margin-top: 66px;

    display: grid;

    grid-template-columns:
        repeat(
            6,
            minmax(0, 1fr)
        );

    gap: 28px;
}

.pd-process-timeline::before {
    content: "";

    position: absolute;

    top: 44px;

    left: 0;
    right: -28px;

    height: 1px;

    background:
        linear-gradient(
            90deg,
            rgba(20,157,163,0.25),
            rgba(20,157,163,0.45),
            rgba(8,35,61,0.20)
        );
}

.pd-process-timeline::after {
    content: "";

    position: absolute;

    top: 40px;
    right: -34px;

    width: 0;
    height: 0;

    border-top:
        5px solid transparent;

    border-bottom:
        5px solid transparent;

    border-left:
        8px solid rgba(8,35,61,0.28);
}

.pd-process-point {
    position: relative;
}

.pd-process-marker {
    position: relative;

    z-index: 2;

    height: 72px;
}

.pd-process-number {
    display: block;

    margin-bottom: 18px;

    color: var(--green);

    font-size: 10px;
    font-weight: 700;
}

.pd-process-node {
    display: block;

    width: 11px;
    height: 11px;

    border-radius: 50%;

    background:
        var(--background);

    border:
        2px solid var(--green);
}

.pd-process-point h3 {
    margin-bottom: 10px;

    font-size: 18px;
}

.pd-process-point p {
    max-width: 175px;

    color: var(--muted);

    font-size: 12px;

    line-height: 1.7;
}


/* =========================================
   COMMERCIAL FIT
========================================= */

.pd-fit-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 0.82fr)
        minmax(0, 1.18fr);

    gap: 90px;

    align-items: start;
}

.pd-fit-heading {
    position: sticky;

    top: 110px;
}

.pd-fit-list {
    position: relative;

    border-top:
        1px solid var(--border-dark);
}

.pd-fit-item {
    position: relative;

    display: grid;

    grid-template-columns:
        30px 1fr;

    gap: 18px;

    padding: 28px 0;

    border-bottom:
        1px solid var(--border);
}

.pd-fit-rail {
    position: relative;
}

.pd-fit-item:not(:last-child) .pd-fit-rail::after {
    content: "";

    position: absolute;

    top: 17px;
    bottom: -36px;

    left: 5px;

    width: 1px;

    background:
        rgba(20,157,163,0.16);
}

.pd-fit-marker {
    position: relative;

    z-index: 2;

    display: block;

    width: 11px;
    height: 11px;

    margin-top: 7px;

    border-radius: 50%;

    background: var(--white);

    border:
        2px solid var(--green);
}

.pd-fit-number {
    display: block;

    margin-bottom: 8px;

    color: var(--green);

    font-size: 9px;
    font-weight: 700;
}

.pd-fit-item h3 {
    margin-bottom: 8px;

    font-size: 19px;
}

.pd-fit-item p {
    max-width: 580px;

    color: var(--muted);

    font-size: 13px;

    line-height: 1.75;
}


/* =========================================
   DEVELOPMENT TO MANUFACTURING
========================================= */

.pd-manufacturing-bridge {
    padding:
        100px 0;

    background:
        #f1f8f7;
}

.pd-manufacturing-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 1.05fr)
        minmax(0, 0.95fr);

    gap: 74px;

    align-items: center;
}

.pd-manufacturing-image-wrap {
    overflow: hidden;

    border-radius: 14px;
}

.pd-manufacturing-image {
    width: 100%;

    aspect-ratio:
        3 / 2;

    object-fit: cover;

    border-radius: 14px;
}

.pd-manufacturing-content {
    max-width: 520px;
}

.pd-manufacturing-content p {
    margin-top: 22px;

    color: var(--muted);

    font-size: 15px;

    line-height: 1.8;
}

.pd-manufacturing-link {
    margin-top: 28px;
}


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

.cta-section {
    padding:
        94px 0;

    background:
        linear-gradient(
            120deg,
            #edf8f7 0%,
            #f5f9ed 100%
        );
}

.cta-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 690px)
        auto;

    align-items: center;

    justify-content: start;

    gap: 78px;
}

.cta-content {
    max-width: 690px;
}

.cta-content h2 {
    max-width: 650px;
}

.cta-content p {
    margin-top: 18px;

    max-width: 620px;

    color: var(--muted);

    font-size: 15px;

    line-height: 1.75;
}

.cta-action {
    display: flex;

    align-items: center;
}


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

.site-footer {
    background: var(--white);

    border-top:
        1px solid var(--border);
}

.footer-main {
    padding:
        64px 0 54px;

    display: grid;

    grid-template-columns:
        minmax(320px, 1.65fr)
        0.65fr
        0.55fr
        0.9fr;

    gap: 60px;

    align-items: start;
}

.footer-brand-block {
    max-width: 390px;
}

.footer-logo-link {
    display: inline-block;

    text-decoration: none;
}

.footer-logo {
    width: 250px;

    height: auto;
}

.footer-description {
    max-width: 360px;

    margin-top: 18px;

    color: var(--muted);

    font-size: 12px;

    line-height: 1.75;
}

.footer-column {
    display: flex;

    flex-direction: column;

    align-items: flex-start;

    gap: 10px;

    color: var(--muted);

    font-size: 12px;

    line-height: 1.6;
}

.footer-column a {
    text-decoration: none;

    transition:
        color 0.2s ease;
}

.footer-column a:hover {
    color: var(--teal);
}

.footer-heading {
    margin-bottom: 7px;

    color: var(--navy);

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.14em;

    text-transform: uppercase;
}

.footer-bottom {
    min-height: 66px;

    display: flex;

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

    gap: 30px;

    border-top:
        1px solid var(--border);

    color: var(--muted);

    font-size: 10px;
}

.footer-bottom-note {
    color:
        rgba(104, 121, 134, 0.82);
}


/* =========================================
   RESPONSIVE 1100
========================================= */

@media (max-width: 1100px) {

    .site-logo {
        width: 245px;
    }

    .main-navigation {
        gap: 15px;
    }

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

    .capability-row {
        grid-template-columns:
            55px
            250px
            minmax(0, 1fr);

        gap: 25px;
    }

    .capability-row-title h3 {
        white-space: normal;
    }

    .pd-stack-line {
        gap: 24px;
    }

    .pd-stack-item p {
        max-width: 175px;
    }

    .pd-process-timeline {
        gap: 20px;
    }

    .footer-main {
        grid-template-columns:
            1.35fr
            0.65fr
            0.6fr
            0.9fr;

        gap: 36px;
    }

    .footer-logo {
        width: 225px;
    }
}


/* =========================================
   RESPONSIVE 1050
========================================= */

@media (max-width: 1050px) {

    .tier-grid {
        grid-template-columns: 1fr;

        gap: 0;
    }

    .tier-item {
        padding: 42px 0;
    }

    .tier-item:first-child {
        padding-top: 0;
    }

    .tier-item:not(:first-child)::before {
        display: none;
    }

    .tier-item + .tier-item {
        border-top:
            1px solid var(--border);
    }

    .tier-image-wrap {
        max-width: 720px;
    }

    .pd-tangible-grid {
        gap: 25px;
    }

    .pd-fit-layout {
        gap: 55px;
    }

    .pd-manufacturing-layout {
        gap: 50px;
    }

    .cta-layout {
        grid-template-columns:
            minmax(0, 620px)
            auto;

        gap: 45px;
    }
}


/* =========================================
   RESPONSIVE 900
========================================= */

@media (max-width: 900px) {

    .container {
        width:
            min(
                var(--container),
                calc(100% - 36px)
            );
    }


    /* HEADER */

    .header-inner {
        min-height: 72px;
    }

    .site-logo {
        width: 220px;
    }

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

    .main-navigation {
        position: absolute;

        top: 72px;
        left: 0;

        width: 100%;

        padding: 18px;

        display: none;

        flex-direction: column;

        align-items: stretch;

        gap: 0;

        background: var(--white);

        border-bottom:
            1px solid var(--border);
    }

    .main-navigation.open {
        display: flex;
    }

    .main-navigation > a {
        padding: 14px 4px;

        border-bottom:
            1px solid var(--border);

        font-size: 13px;
    }

    .main-navigation > a::after {
        display: none;
    }

    .main-navigation .nav-button {
        margin:
            15px 0 0;

        border-bottom: 0;

        text-align: center;
    }


    /* HOME HERO */

    .hero-full {
        min-height: 610px;
    }

    .hero-full::before {
        background-size:
            auto 100%;

        background-position:
            right center;
    }

    .hero-overlay {
        background:
            linear-gradient(
                90deg,
                rgba(248,250,251,0.99) 0%,
                rgba(248,250,251,0.98) 36%,
                rgba(248,250,251,0.91) 49%,
                rgba(248,250,251,0.70) 63%,
                rgba(248,250,251,0.38) 78%,
                rgba(248,250,251,0.12) 90%,
                rgba(248,250,251,0) 100%
            );
    }

    .hero-content {
        max-width: 530px;
    }


    /* HOME PROCESS */

    .process-timeline {
        grid-template-columns: 1fr;

        padding-left: 34px;

        gap: 0;
    }

    .process-timeline::before {
        top: 8px;
        bottom: 0;

        left: 4px;
        right: auto;

        width: 1px;
        height: auto;
    }

    .process-timeline::after {
        top: auto;
        right: auto;

        bottom: -8px;
        left: -1px;

        border-left:
            5px solid transparent;

        border-right:
            5px solid transparent;

        border-top:
            8px solid rgba(8,35,61,0.28);

        border-bottom: 0;
    }

    .timeline-step {
        display: grid;

        grid-template-columns:
            65px 1fr;

        gap: 15px;

        padding-bottom: 34px;
    }


    /* HOME CAPABILITY */

    .capability-row {
        grid-template-columns:
            45px 1fr;

        gap: 20px;
    }

    .capability-row-number {
        grid-row:
            1 / 3;
    }

    .capability-row-detail {
        grid-column: 2;
    }


    /* PRODUCT DEVELOPMENT HERO */

    .pd-hero-immersive {
        min-height: 620px;
    }

    .pd-hero-background {
        background-position:
            68% center;
    }

    .pd-hero-fade {
        background:
            linear-gradient(
                90deg,
                rgba(248,250,251,0.99) 0%,
                rgba(248,250,251,0.98) 42%,
                rgba(248,250,251,0.84) 58%,
                rgba(248,250,251,0.48) 76%,
                rgba(248,250,251,0.12) 100%
            );
    }


    /* ENGINEERING STACK */

    .pd-stack-line {
        grid-template-columns: 1fr;

        gap: 0;

        padding-left: 32px;
    }

    .pd-stack-line::before {
        top: 7px;
        bottom: 0;

        left: 4px;
        right: auto;

        width: 1px;
        height: auto;
    }

    .pd-stack-line::after {
        top: auto;
        right: auto;

        bottom: -8px;
        left: -1px;

        border-left:
            5px solid transparent;

        border-right:
            5px solid transparent;

        border-top:
            8px solid rgba(8,35,61,0.28);

        border-bottom: 0;
    }

    .pd-stack-item {
        padding-bottom: 30px;
    }

    .pd-stack-marker {
        height: auto;
    }

    .pd-stack-node {
        position: absolute;

        left: -33px;
        top: 4px;
    }

    .pd-stack-item p {
        max-width: 540px;
    }

    .pd-stack-end {
        justify-content: flex-start;

        margin-left: 32px;
    }


    /* TANGIBLE */

    .pd-tangible-grid {
        grid-template-columns: 1fr;
    }

    .pd-tangible-large {
        grid-row: auto;
    }

    .pd-tangible-large .pd-tangible-image,
    .pd-tangible-image {
        aspect-ratio:
            3 / 2;
    }


    /* PATHS */

    .pd-path-grid {
        grid-template-columns: 1fr;
    }

    .pd-path-item {
        padding:
            36px 0;
    }

    .pd-path-item + .pd-path-item {
        padding:
            36px 0;

        border-left: 0;

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


    /* DEVELOPMENT PROCESS */

    .pd-process-timeline {
        grid-template-columns: 1fr;

        gap: 0;

        padding-left: 32px;
    }

    .pd-process-timeline::before {
        top: 7px;
        bottom: 0;

        left: 4px;
        right: auto;

        width: 1px;
        height: auto;
    }

    .pd-process-timeline::after {
        top: auto;
        right: auto;

        bottom: -8px;
        left: -1px;

        border-left:
            5px solid transparent;

        border-right:
            5px solid transparent;

        border-top:
            8px solid rgba(8,35,61,0.28);

        border-bottom: 0;
    }

    .pd-process-point {
        padding-bottom: 30px;
    }

    .pd-process-marker {
        height: auto;
    }

    .pd-process-node {
        position: absolute;

        left: -33px;
        top: 4px;
    }

    .pd-process-point p {
        max-width: 540px;
    }


    /* COMMERCIAL FIT */

    .pd-fit-layout {
        grid-template-columns: 1fr;

        gap: 46px;
    }

    .pd-fit-heading {
        position: static;
    }


    /* MANUFACTURING */

    .pd-manufacturing-layout {
        grid-template-columns: 1fr;

        gap: 42px;
    }


    /* CTA */

    .cta-section {
        padding:
            78px 0;
    }

    .cta-layout {
        grid-template-columns: 1fr;

        gap: 30px;
    }


    /* FOOTER */

    .footer-main {
        grid-template-columns:
            1.4fr 1fr;

        gap:
            42px 55px;
    }

    .footer-brand-block {
        grid-column:
            1 / -1;
    }
}


/* =========================================
   RESPONSIVE 600
========================================= */

@media (max-width: 600px) {

    .site-logo {
        width: 200px;
    }

    h1 {
        font-size:
            clamp(
                39px,
                11vw,
                51px
            );
    }

    h2 {
        font-size: 32px;
    }

    .section {
        padding:
            78px 0;
    }


    /* BUTTONS */

    .button {
        width: 100%;
    }


    /* HOME HERO */

    .hero-full {
        min-height: 600px;
    }

    .hero-full::before {
        background-position:
            right center;
    }

    .hero-overlay {
        background:
            linear-gradient(
                90deg,
                rgba(248,250,251,0.99) 0%,
                rgba(248,250,251,0.99) 48%,
                rgba(248,250,251,0.94) 64%,
                rgba(248,250,251,0.80) 78%,
                rgba(248,250,251,0.60) 90%,
                rgba(248,250,251,0.42) 100%
            );
    }


    /* PRODUCT DEVELOPMENT HERO */

    .pd-hero-immersive {
        min-height: 650px;
    }

    .pd-hero-background {
        opacity: 0.55;

        background-position:
            65% center;
    }

    .pd-hero-fade {
        background:
            linear-gradient(
                90deg,
                rgba(248,250,251,0.99) 0%,
                rgba(248,250,251,0.97) 65%,
                rgba(248,250,251,0.72) 100%
            );
    }

    .pd-hero-immersive-inner {
        padding-top: 70px;
        padding-bottom: 70px;
    }

    .pd-hero-copy h1 {
        font-size:
            clamp(
                39px,
                11vw,
                51px
            );
    }

    .pd-hero-lead {
        font-size: 16px;
    }

    .pd-hero-disciplines {
        gap:
            8px 18px;
    }


    /* STACK */

    .pd-stack-start,
    .pd-stack-end {
        flex-direction: column;

        gap: 4px;
    }

    .pd-stack-end {
        margin-left: 30px;
    }


    /* TANGIBLE */

    .pd-tangible {
        padding:
            78px 0;
    }

    .pd-tangible-meta {
        grid-template-columns:
            32px 1fr;

        gap: 12px;
    }


    /* PATH */

    .pd-path-item h3 {
        font-size: 22px;
    }


    /* COMMERCIAL FIT */

    .pd-fit-item {
        grid-template-columns:
            24px 1fr;

        gap: 12px;
    }


    /* MANUFACTURING */

    .pd-manufacturing-bridge {
        padding:
            78px 0;
    }

    .pd-manufacturing-image,
    .pd-manufacturing-image-wrap {
        border-radius: 10px;
    }


    /* CTA */

    .cta-section {
        padding:
            72px 0;
    }


    /* FOOTER */

    .footer-main {
        grid-template-columns: 1fr;

        gap: 34px;

        padding:
            48px 0 40px;
    }

    .footer-brand-block {
        grid-column: auto;
    }

    .footer-logo {
        width: 220px;
    }

    .footer-bottom {
        padding:
            18px 0;

        flex-direction: column;

        align-items: flex-start;

        justify-content: center;

        gap: 5px;
    }
}