:root {
    --paper: #f2eee5;
    --paper-light: #faf8f2;
    --stone: #d8cdbd;
    --clay: #b76648;
    --olive: #65705b;
    --walnut: #45372e;
    --ink: #252421;
    --ink-soft: #59554e;
    --line: rgba(37, 36, 33, 0.2);
    --glass: rgba(248, 245, 237, 0.76);
    --font-display: "Noto Serif Display", Georgia, serif;
    --font-sans: "Noto Sans", Arial, sans-serif;
    --page-gutter: clamp(1.25rem, 4vw, 4.5rem);
    --section-space: clamp(5rem, 11vw, 10rem);
    --content-width: 90rem;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 350;
    line-height: 1.7;
    text-rendering: optimizeLegibility;
}

body::before {
    position: fixed;
    z-index: 20;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.22);
    content: "";
    pointer-events: none;
}

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 2px solid var(--clay);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 1rem;
    left: 1rem;
    padding: 0.7rem 1rem;
    background: var(--ink);
    color: var(--paper-light);
    transform: translateY(-180%);
}

.skip-link:focus {
    transform: translateY(0);
}

h1,
h2,
h3,
p,
blockquote {
    margin-top: 0;
}

h1,
h2 {
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
    font-weight: 300;
    letter-spacing: -0.035em;
    line-height: 1.06;
}

h1 {
    max-width: 12ch;
    font-size: clamp(3rem, 6.6vw, 6.75rem);
}

.hero h1 {
    max-width: 14ch;
    font-size: clamp(3rem, 6vw, 6rem);
}

h2 {
    max-width: 17ch;
    font-size: clamp(2.5rem, 4.5vw, 5rem);
}

h3 {
    font-size: 1.08rem;
    font-weight: 550;
    line-height: 1.35;
}

.site-header {
    position: absolute;
    z-index: 30;
    top: 0;
    left: 0;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 1.65rem var(--page-gutter);
    /* border-bottom: 1px solid rgba(37, 36, 33, 0.12); */
    background: rgba(242, 238, 229, 0.74);
    color: var(--ink);
    backdrop-filter: blur(0.75rem);
}

.brand {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 650;
    letter-spacing: 0.16em;
    text-decoration: none;
}

.brand span {
    margin-left: 0.35rem;
    color: var(--clay);
}

.site-navigation {
    display: flex;
    gap: clamp(1.25rem, 3vw, 3rem);
}

.site-navigation a,
.site-footer a {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-decoration: none;
}

.site-navigation a {
    position: relative;
}

.site-navigation a::after {
    position: absolute;
    bottom: -0.4rem;
    left: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
}

.site-navigation a:hover::after,
.site-navigation a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

.menu-button {
    display: none;
}

.layered-section {
    position: relative;
    overflow: hidden;
}

.hero {
    display: grid;
    min-height: min(60rem, 100svh);
    align-items: center;
    padding: 7.5rem var(--page-gutter) 3rem;
}

.hero-image {
    position: absolute;
    z-index: -3;
    inset: -7%;
    background-image: linear-gradient(90deg, rgba(242, 238, 229, 0.92) 0%, rgba(242, 238, 229, 0.58) 47%, rgba(242, 238, 229, 0.1) 80%), url("../assets/images/lotech-founder-crafting-hero.jpg");
    background-position: center;
    background-size: cover;
    will-change: transform;
}

.hero::after {
    position: absolute;
    z-index: -1;
    inset: 0;
    background: linear-gradient(180deg, transparent 70%, rgba(242, 238, 229, 0.65));
    content: "";
    pointer-events: none;
}

.hero-content {
    width: min(48rem, 68vw);
    margin-top: 3rem;
    padding: clamp(2rem, 5vw, 4.5rem);
}

.glass-panel {
    border: 1px solid rgba(255, 255, 255, 0.58);
    background: var(--glass);
    box-shadow: 0 1.5rem 4.5rem rgba(69, 55, 46, 0.08);
}

@supports (backdrop-filter: blur(1rem)) {
    .glass-panel {
        background: rgba(248, 245, 237, 0.64);
        backdrop-filter: blur(1rem);
    }
}

.eyebrow,
.section-index,
.aside-label {
    margin-bottom: 1.3rem;
    color: var(--ink-soft);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.hero-summary {
    max-width: 54ch;
    margin-bottom: 2rem;
    font-size: clamp(1.05rem, 1.4vw, 1.25rem);
}

.button-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.button {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    padding: 0.72rem 1.25rem;
    border: 1px solid var(--ink);
    border-radius: 0.2rem;
    font-size: 0.78rem;
    font-weight: 550;
    letter-spacing: 0.035em;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button-primary {
    background: var(--ink);
    color: var(--paper-light);
}

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

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

.text-link {
    font-size: 0.82rem;
    font-weight: 550;
    text-underline-offset: 0.35rem;
}

.hero-note {
    position: absolute;
    right: var(--page-gutter);
    bottom: 2rem;
    margin: 0;
    font-size: 0.66rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.geometry {
    fill: none;
    stroke: currentColor;
    stroke-width: 1;
    vector-effect: non-scaling-stroke;
}

.geometry-hero {
    position: absolute;
    z-index: -2;
    top: 9%;
    right: -5%;
    width: min(47vw, 45rem);
    color: rgba(37, 36, 33, 0.28);
    will-change: transform;
}

.geometry-accent {
    color: var(--clay);
    stroke: currentColor;
    stroke-width: 3;
}

.section {
    position: relative;
    max-width: var(--content-width);
    margin-inline: auto;
    padding: var(--section-space) var(--page-gutter);
}

.section-heading {
    margin-bottom: clamp(3rem, 7vw, 6rem);
}

.section-heading > p:last-child {
    max-width: 56ch;
    color: var(--ink-soft);
}

.section-intro {
    background-image: radial-gradient(rgba(69, 55, 46, 0.16) 0.75px, transparent 0.75px);
    background-size: 12px 12px;
}

.intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.7fr);
    gap: clamp(3rem, 9vw, 9rem);
    padding-bottom: clamp(4rem, 8vw, 7rem);
    border-bottom: 1px solid var(--line);
}

.lead {
    max-width: 30ch;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 3.2rem);
    font-weight: 300;
    line-height: 1.35;
}

.intro-copy {
    max-width: 62ch;
    color: var(--ink-soft);
}

.founder-note {
    max-width: 72rem;
    margin-top: clamp(2rem, 4vw, 3.5rem);
    padding: 1.5rem clamp(1.25rem, 3vw, 2.5rem);
    border-left: 2px solid var(--clay);
    background: rgba(250, 248, 242, 0.64);
}

.founder-note p {
    max-width: 100%;
    margin-bottom: 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin: 0;
    padding-top: 3.5rem;
    padding-left: 0;
    list-style: none;
}

.principle {
    min-height: 16rem;
    padding: 1.5rem clamp(1rem, 3vw, 3rem);
    border-left: 1px solid var(--line);
}

.principle:first-child {
    padding-left: 0;
    border-left: 0;
}

.principle p {
    max-width: 34ch;
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.principle-mark {
    display: block;
    margin-bottom: 3rem;
    color: var(--clay);
    font-size: 1.5rem;
}

.section-services {
    max-width: none;
    overflow: hidden;
    background: var(--walnut);
    color: var(--paper-light);
}

.section-services > *:not(.geometry) {
    width: min(100%, calc(var(--content-width) - (2 * var(--page-gutter))));
    margin-inline: auto;
}

.section-services .section-heading > p {
    color: rgba(250, 248, 242, 0.67);
}

.geometry-services {
    position: absolute;
    top: 2rem;
    right: -8rem;
    width: 32rem;
    color: rgba(242, 238, 229, 0.18);
}

.geometry-services pattern line {
    stroke: rgba(242, 238, 229, 0.16);
}

.service-list {
    border-top: 1px solid rgba(250, 248, 242, 0.22);
}

.service {
    display: grid;
    grid-template-columns: 4rem minmax(0, 1fr) minmax(9rem, 0.32fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: start;
    padding: clamp(2rem, 4vw, 3.6rem) 0;
    border-bottom: 1px solid rgba(250, 248, 242, 0.22);
}

.service h3 {
    margin-bottom: 0.75rem;
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 2.6vw, 2.6rem);
    font-weight: 300;
}

.service p {
    max-width: 58ch;
    color: rgba(250, 248, 242, 0.7);
}

.service-number {
    color: var(--stone) !important;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
}

.service-output {
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    line-height: 1.9;
    text-transform: uppercase;
}

.section-approach {
    display: grid;
    max-width: none;
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 3.5fr);
    padding: 0;
}

.approach-panel {
    padding: var(--section-space) var(--page-gutter);
}

.process-list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
    list-style: none;
    counter-reset: process;
}

.process-list li {
    display: grid;
    grid-template-columns: minmax(9rem, 0.4fr) 1fr;
    gap: 2rem;
    padding: 1.7rem 0;
    border-bottom: 1px solid var(--line);
    counter-increment: process;
}

.process-list span {
    font-weight: 550;
}

.process-list span::before {
    margin-right: 1.5rem;
    color: var(--clay);
    content: "0" counter(process);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
}

.process-list p {
    max-width: 50ch;
    margin-bottom: 0;
    color: var(--ink-soft);
}

.approach-aside {
    display: flex;
    min-height: 48rem;
    flex-direction: column;
    justify-content: center;
    padding: var(--section-space) clamp(2rem, 5vw, 5rem);
    background: var(--olive);
    color: var(--paper-light);
}

.approach-aside blockquote {
    margin-bottom: 2.5rem;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 3rem);
    font-weight: 300;
    line-height: 1.35;
}

.approach-aside > p:last-child,
.approach-aside .aside-label {
    color: rgba(250, 248, 242, 0.7);
}

.section-contact {
    display: grid;
    max-width: none;
    min-height: 45rem;
    grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.6fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: center;
    overflow: hidden;
    background: var(--stone);
}

.contact-copy {
    position: relative;
    z-index: 1;
}

.contact-copy > p:not(.section-index) {
    max-width: 58ch;
    margin-bottom: 2rem;
}

.contact-note {
    position: relative;
    z-index: 1;
    padding: clamp(2rem, 4vw, 3.5rem);
}

.contact-note ul {
    margin: 0;
    padding-left: 1.1rem;
}

.contact-note li + li {
    margin-top: 0.7rem;
}

.geometry-contact {
    position: absolute;
    right: -2rem;
    bottom: -1rem;
    width: min(55rem, 75vw);
    color: rgba(37, 36, 33, 0.18);
}

.site-footer {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 2rem;
    align-items: start;
    padding: 3rem var(--page-gutter) 5rem;
    background: var(--ink);
    color: var(--paper-light);
}

.site-footer > p:not(.brand) {
    margin: 0;
    color: rgba(250, 248, 242, 0.62);
    font-size: 0.8rem;
}

.site-footer .copyright {
    grid-column: 2;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(1rem);
    transition: opacity 600ms ease, transform 600ms ease;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 62rem) {
    .hero-content {
        width: min(44rem, 82vw);
    }

    .intro-grid,
    .section-approach,
    .section-contact {
        grid-template-columns: 1fr;
    }

    .approach-aside {
        min-height: auto;
    }

    .section-contact {
        gap: 3rem;
    }
}

@media (max-width: 48rem) {
    :root {
        --section-space: clamp(4.5rem, 18vw, 7rem);
    }

    .site-header {
        position: absolute;
    }

    .menu-button {
        display: inline-flex;
        min-height: 2.75rem;
        align-items: center;
        gap: 0.75rem;
        padding: 0.5rem 0;
        border: 0;
        background: transparent;
        color: currentColor;
        font: inherit;
        font-size: 0.8rem;
    }

    .menu-mark,
    .menu-mark::after {
        display: block;
        width: 1.25rem;
        height: 1px;
        background: currentColor;
        content: "";
        transition: transform 160ms ease;
    }

    .menu-mark::after {
        transform: translateY(0.35rem);
    }

    .menu-button[aria-expanded="true"] .menu-mark {
        transform: rotate(45deg);
    }

    .menu-button[aria-expanded="true"] .menu-mark::after {
        transform: rotate(90deg);
    }

    .site-navigation {
        position: absolute;
        top: 100%;
        right: var(--page-gutter);
        display: none;
        width: min(17rem, calc(100vw - (2 * var(--page-gutter))));
        flex-direction: column;
        gap: 0;
        padding: 0.75rem 1.25rem;
        border: 1px solid rgba(37, 36, 33, 0.15);
        background: rgba(250, 248, 242, 0.96);
        box-shadow: 0 1rem 3rem rgba(69, 55, 46, 0.12);
    }

    .site-navigation.is-open {
        display: flex;
    }

    .site-navigation a {
        min-height: 3rem;
        padding-block: 0.8rem;
        border-bottom: 1px solid var(--line);
    }

    .site-navigation a:last-child {
        border: 0;
    }

    .hero {
        min-height: 50rem;
        align-items: end;
        padding-bottom: 4rem;
    }

    .hero-image {
        inset: -2%;
        background-image: linear-gradient(180deg, rgba(242, 238, 229, 0.66) 0%, rgba(242, 238, 229, 0.2) 34%, rgba(242, 238, 229, 0.9) 80%), url("../assets/images/lotech-founder-crafting-hero.jpg");
        background-position: 70% center;
    }

    .hero-content {
        width: 100%;
        margin-top: 5rem;
        padding: 1.6rem;
    }

    .hero-note {
        display: none;
    }

    .geometry-hero {
        top: 13%;
        right: -38%;
        width: 90vw;
    }

    .button-row {
        flex-wrap: wrap;
    }

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

    .principle,
    .principle:first-child {
        min-height: auto;
        padding: 2rem 0;
        border-bottom: 1px solid var(--line);
        border-left: 0;
    }

    .principle-mark {
        margin-bottom: 1.5rem;
    }

    .service {
        grid-template-columns: 2.5rem 1fr;
    }

    .service-output {
        grid-column: 2;
    }

    .process-list li {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .section-contact {
        min-height: auto;
    }

    .site-footer {
        grid-template-columns: 1fr auto;
    }

    .site-footer > p:nth-child(2) {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .site-footer .copyright {
        grid-column: 1;
    }
}

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

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

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

    .parallax-layer {
        transform: none !important;
    }
}