:root {
    --colour-primary: #03989e;
    --colour-primary-dark: #02777c;
    --colour-primary-light: #e6f7f8;
    --colour-text: #172126;
    --colour-muted: #5f7078;
    --colour-background: #ffffff;
    --colour-background-soft: #f5fbfc;
    --colour-border: #d9eaec;
    --colour-dark: #172126;
    --max-width: 1200px;
    --radius-small: 12px;
    --radius-medium: 18px;
    --radius-large: 28px;
    --shadow-soft: 0 18px 45px rgba(23, 33, 38, 0.10);
    --shadow-hover: 0 24px 60px rgba(23, 33, 38, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--colour-text);
    background: var(--colour-background);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    font-size: clamp(2.4rem, 7vw, 5.4rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1.06;
    letter-spacing: -0.045em;
}

h3 {
    font-size: 1.55rem;
    line-height: 1.15;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--colour-border);
    backdrop-filter: blur(12px);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.site-logo {
    display: flex;
    align-items: center;
}

.site-logo img {
    height: clamp(36px, 5vw, 50px);
    width: auto;
}
.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: clamp(12px, 3vw, 26px);
}

.site-nav a {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--colour-muted);
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--colour-primary);
}

.hero-section {
    background:
        radial-gradient(circle at top right, rgba(3, 152, 158, 0.16), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #f5fbfc 100%);
    border-bottom: 1px solid var(--colour-border);
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: clamp(64px, 10vw, 110px) 24px clamp(58px, 9vw, 95px);
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: clamp(36px, 7vw, 80px);
    align-items: center;
}

.eyebrow,
.section-kicker,
.software-type {
    margin: 0 0 14px;
    color: var(--colour-primary-dark);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: none;
    font-size: 0.95rem;
}

.hero-content h1 {
    max-width: 760px;
    margin: 0;
}

.hero-text {
    max-width: 650px;
    margin: 28px 0 0;
    color: var(--colour-muted);
    font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.hero-actions {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
    color: #ffffff;
    background: var(--colour-primary);
    border: 2px solid var(--colour-primary);
}

.button-primary:hover,
.button-primary:focus-visible {
    background: var(--colour-primary-dark);
    border-color: var(--colour-primary-dark);
}

.button-secondary {
    color: var(--colour-primary-dark);
    background: #ffffff;
    border: 2px solid var(--colour-border);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: var(--colour-primary);
}

.hero-panel {
    width: 100%;
    max-width: 1000px;
    margin-inline: auto;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;

    border-radius: 24px;
    border: 1px solid var(--colour-border);

    box-shadow:
        0 25px 60px rgba(23, 33, 38, 0.18);
}



.hero-window-bar span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--colour-border);
}




.software-section,
.resources-section {
    padding: clamp(64px, 10vw, 105px) 24px;
    background: #ffffff;
}

.section-header {
    max-width: 790px;
    margin: 0 auto clamp(34px, 6vw, 58px);
    text-align: center;
}

.section-header h2,
.about-content h2,
.contact-content h2 {
    margin: 0;
}

.section-header p,
.about-content p,
.contact-content p,
.resource-card p {
    color: var(--colour-muted);
    font-size: 1.06rem;
}

.software-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 32px);
}

.software-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #ffffff;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.software-card:hover,
.software-card:focus-within {
    transform: translateY(-7px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(3, 152, 158, 0.38);
}

.software-icon {
    min-height: 210px;
    padding: 28px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #f5fbfc, #ffffff);
}

.microstructure-pattern,
.xrd-pattern,
.scalebar-preview {
    position: relative;
    width: min(100%, 210px);
    aspect-ratio: 210 / 135;
    height: auto;
}

.microstructure-pattern span {
    position: absolute;
    border-radius: 50%;
    background: rgba(3, 152, 158, 0.18);
    border: 2px solid rgba(3, 152, 158, 0.45);
}

.microstructure-pattern span:nth-child(1) { width: 30%; height: 36%; top: 13%; left: 10%; }
.microstructure-pattern span:nth-child(2) { width: 25%; height: 46%; top: 39%; left: 40%; }
.microstructure-pattern span:nth-child(3) { width: 21%; height: 33%; top: 16%; right: 12%; }
.microstructure-pattern span:nth-child(4) { width: 17%; height: 22%; bottom: 13%; left: 15%; }
.microstructure-pattern span:nth-child(5) { width: 13%; height: 21%; bottom: 18%; right: 16%; }
.microstructure-pattern span:nth-child(6) { width: 10%; height: 15%; top: 56%; right: 33%; }

.xrd-pattern {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: min(7vw, 16px);
    padding: 20px 24px;
}

.software-screenshot {
    width: 100%;
    height: auto;
    overflow: hidden;
    border-bottom: 1px solid var(--colour-border);
    background: #ffffff;
}

.software-screenshot img {
    width: 100%;
    display: block;
    height: auto;
    transition: transform 0.3s ease;
}


.peak {
    display: block;
    width: 10px;
    border-radius: 999px 999px 0 0;
    background: var(--colour-primary);
}

.peak-one { height: 42px; }
.peak-two { height: 88px; }
.peak-three { height: 58px; }
.peak-four { height: 112px; }
.peak-five { height: 72px; }

.scalebar-preview {
    background:
        linear-gradient(135deg, rgba(3, 152, 158, 0.12), rgba(255, 255, 255, 0.1)),
        repeating-linear-gradient(
            45deg,
            rgba(3, 152, 158, 0.08) 0,
            rgba(3, 152, 158, 0.08) 8px,
            rgba(255, 255, 255, 0.4) 8px,
            rgba(255, 255, 255, 0.4) 16px
        );
    border-radius: var(--radius-small);
}

.image-frame {
    position: absolute;
    inset: 15%;
    border: 2px solid rgba(3, 152, 158, 0.28);
    border-radius: 12px;
}

.scale-line {
    position: absolute;
    left: 18%;
    bottom: 24%;
    width: 44%;
    height: 7px;
    border-radius: 999px;
    background: var(--colour-dark);
}

.scale-label {
    position: absolute;
    left: 18%;
    bottom: 35%;
    width: 28%;
    height: 8px;
    border-radius: 999px;
    background: rgba(23, 33, 38, 0.45);
}

.software-content {
    padding: clamp(22px, 4vw, 30px);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.software-content h3 {
    margin: 0 0 12px;
}

.software-tagline {
    margin: 0 0 22px;
    color: var(--colour-muted);
}

.feature-list {
    padding-left: 20px;
    margin: 0 0 28px;
    color: var(--colour-muted);
}

.feature-list li {
    margin-bottom: 9px;
}

.software-link {
    align-self: flex-start;
    margin-top: auto;
    color: var(--colour-primary-dark);
    border-bottom: 2px solid var(--colour-primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}


.software-link:hover,
.software-link:focus-visible {
    border-bottom-color: var(--colour-primary);
}

.about-section {
    padding: clamp(64px, 10vw, 100px) 24px;
    background: var(--colour-background-soft);
    border-top: 1px solid var(--colour-border);
    border-bottom: 1px solid var(--colour-border);
}

.about-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: clamp(28px, 6vw, 70px);
    align-items: start;
}

.about-content p {
    max-width: 760px;
}

.about-card,
.resource-card {
    padding: clamp(24px, 4vw, 32px);
    background: #ffffff;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-soft);
}

.about-card h3,
.resource-card h3 {
    margin-top: 0;
}

.about-card ul {
    margin-bottom: 0;
    padding-left: 20px;
    color: var(--colour-muted);
}

.about-card li {
    margin-bottom: 9px;
}

.contact-section {
    padding: clamp(64px, 10vw, 105px) 24px;
    color: #ffffff;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.16), transparent 32%),
        linear-gradient(135deg, #172126, #063f45);
}

.contact-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(180px, 300px) minmax(0, 1fr);
    align-items: center;
    gap: clamp(32px, 7vw, 72px);
}

.contact-photo {
    min-width: 0;
}

.contact-photo img {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 3 / 5;
    height: auto;
    object-fit: cover;
    border-radius: var(--radius-large);
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.25);
    margin-inline: auto;
}

.photo-caption {
    margin: 16px auto 0;
    max-width: 300px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.95rem;
    text-align: center;
}

.contact-content {
    min-width: 0;
}

.contact-content .section-kicker {
    color: var(--colour-primary-light);
}

.contact-content p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.08rem;
}

.contact-content .button-primary {
    margin-top: 18px;
    background: #ffffff;
    color: var(--colour-primary-dark);
    border-color: #ffffff;
}

.contact-content .button-primary:hover,
.contact-content .button-primary:focus-visible {
    background: var(--colour-primary-light);
    border-color: var(--colour-primary-light);
}

.site-footer {
    padding: 32px 24px;
    color: #d9e6e8;
    background: #11191d;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-container p {
    margin: 0;
    font-size: 0.92rem;
}

@media (max-width: 1000px) {
    .software-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

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

    .hero-panel {
        order: -1;
    }

    .contact-content {
        text-align: center;
    }
}

@media (max-width: 768px) {
    html {
        scroll-padding-top: 130px;
    }

    .nav-container {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        width: auto;
        height: auto;
        padding: 14px 18px;
    }

    .site-nav {
        justify-content: center;
    }

    .hero-container {
        padding-top: 44px;
    }

    .floating-badge {
        position: static;
        display: inline-flex;
        margin: 6px 6px 0 0;
    }

    .hero-panel {
        min-height: auto;
    }

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

    .software-card:hover,
    .software-card:focus-within {
        transform: none;
    }

    .software-card:hover .software-screenshot img {
    transform: scale(1.03);
}

    .contact-photo img {
        max-width: 230px;
    }
}

@media (max-width: 500px) {
    .nav-container,
    .hero-container,
    .software-section,
    .about-section,
    .contact-section,
    .site-footer {
        padding-left: 18px;
        padding-right: 18px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero-card-main {
        border-radius: 22px;
    }


    .footer-container {
        display: block;
    }

    .footer-container p + p {
        margin-top: 8px;
    }
}

@media (max-width: 700px) {
    .software-grid {
        grid-template-columns: 1fr;
    }
}