/* EnPro Labs — v2: light editorial layout */

:root {
    /* Brand */
    --orange: #FF8C42;
    --orange-deep: #E8701F;   /* orange text on white at small sizes */
    --teal: #009BE8;
    --teal-ink: #0072AD;      /* teal text on white at small sizes */
    --navy: #0d2239;

    /* Neutrals */
    --ink: #2B2F33;
    --text: #495057;
    --muted: #6C757D;
    --line: rgba(13, 34, 57, 0.12);
    --line-strong: rgba(13, 34, 57, 0.22);
    --white: #FFFFFF;
    --paper: #F7F8F6;         /* warm off-white for quiet bands */
    --sky: #EEF7FC;           /* teal-tinted wash */

    --gutter: clamp(1rem, 5vw, 5rem);
    --max: 1320px;
    --nav-h: 4.75rem;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
}

body {
    font-family: 'Montserrat', system-ui, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3 {
    color: var(--ink);
    line-height: 1.02;
    letter-spacing: -0.035em;
}

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

a {
    color: inherit;
}

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

mark {
    background: linear-gradient(transparent 62%, color-mix(in srgb, var(--orange) 28%, transparent) 62%);
    color: inherit;
    padding: 0 0.1em;
}

.mono {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-weight: 400;
    letter-spacing: 0.02em;
}

::selection {
    background: var(--orange);
    color: var(--white);
}

:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 2000;
    padding: 0.6rem 1rem;
    background: var(--ink);
    color: var(--white);
    border-radius: 6px;
}

.skip-link:focus {
    top: 1rem;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.6rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn-arrow {
    display: inline-block;
    transition: transform 0.35s var(--ease);
}

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

.btn-accent {
    background: var(--orange);
    color: var(--white);
}

.btn-accent:hover {
    background: var(--ink);
    color: var(--white);
}

.btn-dark {
    background: var(--ink);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--orange);
    color: var(--white);
}

.btn-line {
    background: transparent;
    color: var(--ink);
    border-color: var(--line-strong);
}

.btn-line:hover {
    border-color: var(--ink);
}

.btn-lg {
    padding: 1.15rem 2.2rem;
    font-size: 1rem;
}

/* ---------- Nav ---------- */

.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.82);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.nav.is-scrolled {
    border-bottom-color: var(--line);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-h);
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.nav-logo img {
    height: 1.75rem;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 3vw, 2.5rem);
}

.nav-link {
    position: relative;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s var(--ease);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu .btn {
    padding: 0.75rem 1.2rem;
    font-size: 0.85rem;
}

/* CSS-only toggle */
.nav-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.nav-toggle-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 0 10px;
    cursor: pointer;
}

.nav-toggle-btn span {
    height: 1.5px;
    background: var(--ink);
    transition: transform 0.35s var(--ease);
}

.nav-toggle:focus-visible + .nav-toggle-btn {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

@media (max-width: 760px) {
    .nav-toggle-btn {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem var(--gutter) 1.5rem;
        background: var(--white);
        border-bottom: 1px solid var(--line);
        clip-path: inset(0 0 100% 0);
        visibility: hidden;
        transition: clip-path 0.45s var(--ease), visibility 0s linear 0.45s;
    }

    .nav-toggle:checked ~ .nav-menu {
        clip-path: inset(0 0 0 0);
        visibility: visible;
        transition: clip-path 0.45s var(--ease);
    }

    .nav-link {
        padding: 1.1rem 0;
        font-size: 1.4rem;
        font-weight: 600;
        border-bottom: 1px solid var(--line);
    }

    .nav-link::after {
        display: none;
    }

    .nav-menu .btn {
        margin-top: 1.25rem;
        padding: 1rem;
        font-size: 0.95rem;
    }

    .nav-toggle:checked ~ .nav-toggle-btn span:first-child {
        transform: translateY(3.75px) rotate(45deg);
    }

    .nav-toggle:checked ~ .nav-toggle-btn span:last-child {
        transform: translateY(-3.75px) rotate(-45deg);
    }
}

/* ---------- Shared section bits ---------- */

.section {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(5rem, 12vw, 10rem) var(--gutter);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 0.8rem;
    color: var(--teal-ink);
    margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.section-title {
    font-size: clamp(2.4rem, 6.5vw, 5.5rem);
    font-weight: 700;
    max-width: 14ch;
}

.lede {
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    font-weight: 400;
    line-height: 1.55;
    color: var(--ink);
    max-width: 34ch;
}

.lede-sm {
    font-size: clamp(1.05rem, 1.6vw, 1.2rem);
    color: var(--text);
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    max-width: var(--max);
    margin: 0 auto;
    padding: calc(var(--nav-h) + 3rem) var(--gutter) clamp(3rem, 7vw, 5rem);
    overflow: hidden;
}

.hero-grid {
    position: relative;
    z-index: 1;
}

.hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.hero-meta-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--orange);
}

.hero-headline {
    font-size: clamp(2.6rem, 8vw, 7.5rem);
    font-weight: 700;
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.hero-headline .line {
    display: block;
    overflow: hidden;
    padding-bottom: 0.06em;
}

.hero-headline .line > span {
    display: inline-block;
}

.hero-headline .line > span {
    transform: translateY(105%);
    animation: line-up 1.1s var(--ease) forwards;
}

.hero-headline .line:nth-child(2) > span { animation-delay: 0.08s; }
.hero-headline .line:nth-child(3) > span { animation-delay: 0.16s; }

@keyframes line-up {
    to { transform: translateY(0); }
}

/* Phones: let the headline flow freely instead of fixed line breaks */
@media (max-width: 600px) {
    .hero-headline .line,
    .hero-headline .line > span {
        display: inline;
    }

    .hero-headline .line > span {
        transform: none;
        animation: none;
    }

    .hero-headline {
        animation: fade-up 1s var(--ease) both;
    }
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(24px); }
}

.hero-foot {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 2rem 4rem;
    margin-top: clamp(2.5rem, 5vw, 4.5rem);
    padding-top: clamp(1.5rem, 3vw, 2rem);
    border-top: 1px solid var(--line);
}

.hero-sub {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    max-width: 40ch;
    color: var(--text);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Connection graph — light line art, top right */
.hero-graph {
    position: absolute;
    top: calc(var(--nav-h) + 1rem);
    right: calc(var(--gutter) * -0.5);
    width: min(62vw, 820px);
    height: auto;
    color: var(--teal);
    pointer-events: none;
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 60% 45%, #000 45%, transparent 100%);
    mask-image: radial-gradient(ellipse 70% 70% at 60% 45%, #000 45%, transparent 100%);
}

.hero-graph .link {
    fill: none;
    stroke: currentColor;
    stroke-width: 0.9;
    opacity: 0.35;
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: link-draw 1.6s var(--ease) 0.3s forwards;
}

.hero-graph .link:nth-child(2n) { animation-delay: 0.45s; }
.hero-graph .link:nth-child(3n) { animation-delay: 0.6s; }
.hero-graph .link:nth-child(5n) { animation-delay: 0.75s; }

.hero-graph .node {
    fill: var(--white);
    stroke: currentColor;
    stroke-width: 1.2;
}

.hero-graph .node-key {
    fill: currentColor;
    stroke: none;
}

.hero-graph .node-ring {
    fill: none;
    stroke: currentColor;
    stroke-width: 1;
    opacity: 0.4;
    transform-box: fill-box;
    transform-origin: center;
    animation: ring 3.6s ease-out infinite;
}

.hero-graph .node-ring:nth-child(8) { animation-delay: 1.2s; }
.hero-graph .node-ring:nth-child(10) { animation-delay: 2.4s; }

.hero-graph .pulse {
    fill: currentColor;
    animation: pulse 4.2s linear infinite;
}

.hero-graph .pulse-1 { offset-path: path("M320,70 L500,140"); }
.hero-graph .pulse-2 {
    offset-path: path("M440,300 L620,250");
    animation-duration: 5s;
    animation-delay: -1.6s;
}
.hero-graph .pulse-3 {
    offset-path: path("M620,250 L730,360");
    animation-duration: 3.4s;
    animation-delay: -0.8s;
}

@keyframes link-draw {
    to { stroke-dashoffset: 0; }
}

@keyframes pulse {
    from { offset-distance: 0%; }
    to { offset-distance: 100%; }
}

@keyframes ring {
    0% { transform: scale(0.6); opacity: 0.55; }
    100% { transform: scale(1.6); opacity: 0; }
}

.hero-scroll {
    position: absolute;
    right: var(--gutter);
    bottom: clamp(3rem, 7vw, 5rem);
    display: none;
}

@media (min-width: 1100px) {
    .hero-foot {
        padding-right: 6rem;
    }

    .hero-scroll {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.2em;
        color: var(--muted);
        text-decoration: none;
        writing-mode: vertical-rl;
    }

    .hero-scroll-bar {
        position: relative;
        width: 1px;
        height: 3.5rem;
        background: var(--line);
        overflow: hidden;
    }

    .hero-scroll-bar::after {
        content: "";
        position: absolute;
        inset: 0;
        background: var(--orange);
        animation: scroll-bar 2.2s var(--ease) infinite;
    }
}

@keyframes scroll-bar {
    0% { transform: translateY(-100%); }
    60%, 100% { transform: translateY(100%); }
}

@media (max-width: 860px) {
    .hero {
        justify-content: center;
    }

    .hero-graph {
        top: var(--nav-h);
        right: -20%;
        width: 120%;
        opacity: 0.55;
    }

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

@media (max-width: 520px) {
    .hero-actions .btn {
        flex: 1 1 100%;
    }
}

/* ---------- Services ---------- */

.section-head {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    grid-template-areas:
        "eyebrow eyebrow"
        "title   lede";
    align-items: end;
    gap: 0 clamp(2rem, 6vw, 6rem);
    margin-bottom: clamp(3.5rem, 8vw, 6.5rem);
}

.section-head .eyebrow { grid-area: eyebrow; }
.section-head .section-title { grid-area: title; }
.section-head .lede { grid-area: lede; }

@media (max-width: 900px) {
    .section-head {
        grid-template-columns: 1fr;
        grid-template-areas: "eyebrow" "title" "lede";
        gap: 1.75rem;
    }
}

.pillars {
    list-style: none;
    border-top: 1px solid var(--ink);
}

/* Name + statement on top, What / How / Why in three columns underneath */
.pillar {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    border-bottom: 1px solid var(--line);
}

/* Number hangs in its own column; name and statement share the second */
.pillar-head {
    --name-size: clamp(2rem, 4.2vw, 3.5rem);
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    column-gap: calc(var(--name-size) * 0.45);
    row-gap: 0.5rem;
    margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

.pillar-num,
.pillar-name {
    font-size: var(--name-size);
    line-height: 1.02;
    letter-spacing: -0.035em;
}

.pillar-num {
    color: #C5CBD1;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.pillar-name {
    font-weight: 700;
}

.pillar-statement {
    grid-column: 2;
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    font-weight: 500;
    color: var(--teal-ink);
}

.pillar-detail {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem clamp(1.5rem, 3.5vw, 3.5rem);
}

.pillar-detail dt {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--muted);
    margin-bottom: 0.6rem;
}

.pillar-detail dd {
    font-size: 1rem;
    line-height: 1.65;
    max-width: 38ch;
}

@media (max-width: 860px) {
    .pillar-detail {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .pillar-detail > div {
        display: grid;
        grid-template-columns: 4.5rem minmax(0, 1fr);
        gap: 1rem;
        padding: 1rem 0;
        border-top: 1px solid var(--line);
    }

    .pillar-detail dt {
        margin: 0.3rem 0 0;
    }

    .pillar-detail dd {
        max-width: none;
    }
}

@media (max-width: 420px) {
    .pillar-detail > div {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }
}

/* ---------- Approach ---------- */

.approach {
    max-width: none;
    background: var(--paper);
    border-block: 1px solid var(--line);
}

.approach > * {
    max-width: calc(var(--max) - 2 * var(--gutter));
    margin-inline: auto;
}

.quote p {
    font-size: clamp(1.9rem, 4.6vw, 4rem);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--ink);
    max-width: 22ch;
    text-indent: -0.42em;
}

.quote p::before {
    content: "“";
    color: var(--orange);
}

.quote p span {
    color: var(--muted);
}

.principles {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem clamp(1.5rem, 3vw, 3rem);
    margin-top: clamp(3rem, 7vw, 5.5rem);
}

.principles li {
    display: flex;
    gap: 0.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line-strong);
    font-weight: 500;
    color: var(--ink);
}

.principles .mono {
    color: var(--orange-deep);
}

@media (max-width: 760px) {
    .principles {
        grid-template-columns: 1fr;
    }
}

/* ---------- Contact ---------- */

.contact {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 7vw, 7rem);
    align-items: start;
}

.contact-intro {
    position: sticky;
    top: calc(var(--nav-h) + 2rem);
}

.contact-title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 0.95;
    margin-bottom: 1.75rem;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.25rem 2rem;
}

.field {
    position: relative;
    min-width: 0;
}

.field-full {
    grid-column: 1 / -1;
}

.field input,
.field textarea {
    width: 100%;
    font: inherit;
    font-size: 1.1rem;
    color: var(--ink);
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line-strong);
    border-radius: 0;
    padding: 1.6rem 0 0.6rem;
    transition: border-color 0.3s ease;
}

.field textarea {
    resize: vertical;
    min-height: 9rem;
}

.field label {
    position: absolute;
    left: 0;
    top: 1.6rem;
    font-size: 1.1rem;
    color: var(--muted);
    pointer-events: none;
    transform-origin: left top;
    transition: transform 0.35s var(--ease), color 0.3s ease;
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
    transform: translateY(-1.45rem) scale(0.72);
    color: var(--teal-ink);
}

/* focus underline grows from the left */
.field::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}

.field:has(textarea)::after {
    bottom: 6px;
}

.field:focus-within::after {
    transform: scaleX(1);
}

.field input:focus,
.field textarea:focus {
    outline: none;
}

/* Pull the captcha and button in tighter than the field rows */
.h-captcha {
    grid-column: 1 / -1;
    min-height: 78px;
    margin-top: -1rem;
}

.contact-form button {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: -1rem;
}

.contact-form button:disabled {
    opacity: 0.6;
    cursor: progress;
}

.form-status {
    grid-column: 1 / -1;
    padding: 1rem 1.15rem;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
}

.form-status[data-state="success"] {
    color: #0f5132;
    background: var(--sky);
    border-color: var(--teal);
}

.form-status[data-state="error"] {
    color: #842029;
    background: color-mix(in srgb, var(--orange) 10%, white);
    border-color: var(--orange);
}

@media (max-width: 900px) {
    .contact {
        grid-template-columns: 1fr;
    }

    .contact-intro {
        position: static;
    }
}

@media (max-width: 560px) {
    .contact-form {
        grid-template-columns: 1fr;
    }

    .contact-form button {
        width: 100%;
    }
}

/* ---------- Footer ---------- */

.footer {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter) 2rem;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem 2rem;
    padding: clamp(2.5rem, 5vw, 3.5rem) 0 clamp(2rem, 4vw, 3rem);
    border-top: 1px solid var(--line);
}

.footer-brand {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.75rem;
}

.footer-logo {
    height: 1.6rem;
    width: auto;
}

.footer-copy {
    font-size: 0.95rem;
    color: var(--text);
    padding-left: 1.75rem;
    border-left: 1px solid var(--line-strong);
}

@media (max-width: 560px) {
    .footer-copy {
        padding-left: 0;
        border-left: 0;
    }
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    font-size: 0.75rem;
    color: var(--muted);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom a {
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-bottom a:hover {
    color: var(--ink);
}

/* ---------- Reveal on scroll (only when scripting is available) ---------- */

@media (scripting: enabled) {
    [data-reveal] {
        opacity: 0;
        transform: translateY(28px);
        transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
    }

    [data-reveal].is-in {
        opacity: 1;
        transform: none;
    }

    .hero [data-reveal] {
        transition-delay: 0.35s;
    }

    .principles li:nth-child(2) { transition-delay: 0.1s; }
    .principles li:nth-child(3) { transition-delay: 0.2s; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    .hero-headline .line > span,
    [data-reveal] {
        transform: none;
        opacity: 1;
    }

    .hero-graph .link {
        stroke-dashoffset: 0;
    }

    .hero-graph .pulse {
        display: none;
    }
}