:root {
    --ink: #111827;
    --muted: #5f6b7a;
    --line: #d9e2ea;
    --surface: #ffffff;
    --soft: #f5f8fb;
    --teal: #04756f;
    --emerald: #0c9a72;
    --amber: #c98218;
    --graphite: #1f2933;
    --shadow: 0 24px 70px rgba(22, 35, 52, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: "Instrument Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #fbfcfd;
}

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

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

.site-header {
    align-items: center;
    background: rgba(255, 255, 255, 0.93);
    border-bottom: 1px solid rgba(217, 226, 234, 0.8);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    left: 0;
    padding: 16px clamp(18px, 5vw, 72px);
    position: sticky;
    right: 0;
    top: 0;
    z-index: 20;
}

.brand {
    align-items: center;
    display: inline-flex;
    gap: 12px;
    min-width: max-content;
}

.brand-mark {
    align-items: center;
    background: var(--graphite);
    border-radius: 8px;
    color: #ffffff;
    display: inline-flex;
    font-weight: 800;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 1.03rem;
}

.brand small {
    color: var(--muted);
    font-size: 0.75rem;
}

.main-nav {
    align-items: center;
    display: flex;
    gap: 22px;
    justify-content: center;
}

.main-nav a,
.header-action {
    color: #334155;
    font-size: 0.94rem;
    font-weight: 600;
}

.header-action {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 14px;
}

.hero {
    align-items: center;
    display: grid;
    gap: clamp(28px, 5vw, 64px);
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    min-height: calc(100vh - 75px);
    overflow: hidden;
    padding: clamp(56px, 8vw, 94px) clamp(18px, 5vw, 72px) 34px;
}

.hero-copy {
    max-width: 690px;
}

.eyebrow {
    color: var(--teal);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin: 0 0 14px;
    text-transform: uppercase;
}

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

h1 {
    font-size: clamp(3rem, 7vw, 6.8rem);
    line-height: 0.95;
    margin-bottom: 22px;
    max-width: 760px;
}

h2 {
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1;
    margin-bottom: 16px;
}

h3 {
    font-size: 1.18rem;
    margin-bottom: 10px;
}

.hero-lede,
.section-heading p,
.demo-copy p,
.contact-details p {
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 30px 0;
}

.btn {
    align-items: center;
    border-radius: 8px;
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
}

.btn-primary {
    background: var(--teal);
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    border: 1px solid var(--line);
    color: var(--graphite);
}

.hero-proof {
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-proof span {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
}

.hero-visual {
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-height: 360px;
    overflow: hidden;
}

.hero-visual img {
    height: min(68vh, 650px);
    object-fit: cover;
    width: 100%;
}

.section {
    padding: clamp(56px, 8vw, 100px) clamp(18px, 5vw, 72px);
}

.services-band,
.process-section {
    background: var(--surface);
}

.section-heading {
    max-width: 780px;
}

.service-grid,
.process-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 34px;
}

.service-card,
.process-step,
.enquiry-form {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 26px;
}

.service-card p,
.process-step p {
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 0;
}

.service-icon {
    background: linear-gradient(135deg, var(--teal), var(--amber));
    border-radius: 8px;
    display: inline-block;
    height: 34px;
    margin-bottom: 18px;
    width: 34px;
}

.demo-section {
    align-items: center;
    background: #eef5f3;
    display: grid;
    gap: clamp(24px, 5vw, 70px);
    grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
}

.check-list {
    color: var(--graphite);
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
}

.check-list li::before {
    color: var(--emerald);
    content: "✓";
    font-weight: 800;
    margin-right: 10px;
}

.demo-gallery {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.demo-shot {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    box-shadow: 0 18px 46px rgba(22, 35, 52, 0.1);
    overflow: hidden;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.demo-shot-large {
    grid-column: 1 / -1;
}

.demo-shot img {
    aspect-ratio: 16 / 10;
    height: 100%;
    max-height: 360px;
    object-fit: cover;
    width: 100%;
}

.demo-shot div {
    border-top: 1px solid var(--line);
    padding: 16px 18px 18px;
}

.demo-shot span {
    color: var(--teal);
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 7px;
    text-transform: uppercase;
}

.demo-shot strong {
    color: var(--graphite);
    display: block;
    line-height: 1.35;
}

.contact-section {
    align-items: start;
    background: #f8fafc;
    display: grid;
    gap: clamp(24px, 5vw, 68px);
    grid-template-columns: 0.82fr 1.18fr;
}

address {
    display: grid;
    font-style: normal;
    gap: 14px;
    margin-top: 26px;
}

address a,
address span {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--graphite);
    display: block;
    line-height: 1.5;
    padding: 14px 16px;
}

.form-status {
    background: #e8f8f1;
    border: 1px solid #b7e8d2;
    border-radius: 8px;
    color: #0b684f;
    font-weight: 700;
    margin-bottom: 18px;
    padding: 12px 14px;
}

.form-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

label span {
    color: var(--graphite);
    font-weight: 800;
}

input,
select,
textarea {
    background: #fbfdff;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    font: inherit;
    min-height: 46px;
    padding: 12px 14px;
    width: 100%;
}

textarea {
    resize: vertical;
}

label small {
    color: #b42318;
}

.form-submit {
    border: 0;
    cursor: pointer;
    width: 100%;
}

.site-footer {
    align-items: center;
    background: var(--graphite);
    color: #dbe4ec;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    padding: 24px clamp(18px, 5vw, 72px);
}

@media (max-width: 980px) {
    .hero,
    .demo-section,
    .contact-section {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

    .service-grid,
    .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .main-nav {
        display: none;
    }
}

@media (max-width: 640px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .header-action {
        width: 100%;
    }

    .hero {
        padding-top: 42px;
    }

    h1 {
        font-size: 3.3rem;
    }

    .hero-visual img {
        height: 320px;
    }

    .service-grid,
    .process-grid,
    .form-grid,
    .demo-gallery {
        grid-template-columns: 1fr;
    }

    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}