/* ==========================================================================
   diausApps — UI in the style of diausGroup
   Content, words and images preserved; only presentation changed.
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS variables
   -------------------------------------------------------------------------- */
:root {
    --color-navy: #0a1f2e;
    --color-navy-soft: #132c3d;
    --color-teal: #2d8a8a;
    --color-teal-dark: #226a6a;
    --color-lime: #c8e600;
    --color-sky: #b7d1da;
    --color-ice: #f4f7f9;
    --color-white: #ffffff;
    --color-text: #1a2a35;
    --color-muted: #5a6f7d;
    --color-border: #dbe4e8;

    --font-body: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;

    --container: 1200px;
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure {
    margin: 0;
}

ul, ol {
    padding: 0;
    list-style: none;
}

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

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

button {
    font-family: inherit;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

[hidden] {
    display: none !important;
}

section[id] {
    scroll-margin-top: 6rem;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

@media (min-width: 768px) {
    .container {
        padding-inline: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-inline: 3rem;
    }
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s var(--ease-out);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-sm);
    background: var(--color-navy);
    color: var(--color-white);
    font-size: 0.8125rem;
    font-weight: 800;
    text-transform: lowercase;
}

.brand-text {
    color: var(--color-navy);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
    display: block;
    width: 1.25rem;
    height: 2px;
    background: var(--color-navy);
    border-radius: 2px;
    transition: transform 0.25s var(--ease-out), opacity 0.2s;
}

body.menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body.menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
}

body.menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
    position: fixed;
    inset: 4.5rem 0 auto 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.5rem;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s var(--ease-out), opacity 0.3s, visibility 0.3s;
}

body.menu-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.site-nav a {
    display: block;
    padding: 0.875rem 1rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a.is-active {
    background: var(--color-ice);
    color: var(--color-navy);
}

.nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    background: var(--color-navy) !important;
    color: var(--color-white) !important;
}

.nav-cta:hover {
    background: var(--color-teal) !important;
}

@media (min-width: 900px) {
    .menu-toggle {
        display: none;
    }

    .site-nav {
        position: static;
        flex-direction: row;
        align-items: center;
        gap: 0.25rem;
        padding: 0;
        background: transparent;
        border-bottom: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
    }

    .site-nav a {
        padding: 0.5rem 0.875rem;
        font-size: 0.9375rem;
    }

    .nav-cta {
        margin-top: 0;
        margin-left: 0.75rem;
        padding: 0.625rem 1.25rem !important;
        border-radius: 999px;
    }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-block: 8rem 5rem;
    color: var(--color-white);
    overflow: hidden;
}

.app-hero {
    min-height: auto;
    padding-block: 8rem 4rem;
}

.hero-bg,
.hero-bg::after {
    position: absolute;
    inset: 0;
}

.hero-bg {
    z-index: -2;
    background:
        radial-gradient(circle at 20% 30%, rgba(45, 138, 138, 0.28), transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(200, 230, 0, 0.14), transparent 40%),
        linear-gradient(135deg, var(--color-navy) 0%, #0d2839 100%);
}

.hero-bg::after {
    content: "";
    z-index: 1;
    background: linear-gradient(
        115deg,
        rgba(10, 31, 46, 0.94) 0%,
        rgba(10, 31, 46, 0.82) 45%,
        rgba(10, 31, 46, 0.45) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}

.hero .eyebrow {
    display: inline-block;
    margin-bottom: 1.25rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-navy);
    background: var(--color-lime);
    border-radius: 999px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-copy {
    max-width: 560px;
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.25rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9375rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.2;
    border-radius: 999px;
    border: 2px solid transparent;
    transition: transform 0.2s var(--ease-out), background 0.2s, border-color 0.2s, color 0.2s;
    cursor: pointer;
}

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

.button-primary {
    background: var(--color-lime);
    color: var(--color-navy);
    border-color: var(--color-lime);
}

.button-primary:hover {
    background: #d9f20a;
    border-color: #d9f20a;
}

.button-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.button-secondary:hover {
    background: var(--color-white);
    color: var(--color-navy);
    border-color: var(--color-white);
}

.button-dark {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

.button-dark:hover {
    background: var(--color-teal);
    border-color: var(--color-teal);
}

.section-light .button-secondary,
.section-cta .button-secondary {
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.section-light .button-secondary:hover,
.section-cta .button-secondary:hover {
    background: var(--color-navy);
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section {
    padding-block: clamp(4rem, 8vw, 7rem);
}

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

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

.section-cta {
    background: var(--color-ice);
}

.section-heading {
    max-width: 760px;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading .eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-teal);
}

.section-dark .section-heading .eyebrow {
    color: var(--color-lime);
}

.section-heading h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-navy);
}

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

.section-body {
    max-width: 880px;
}

.section-body p,
.contact-panel p,
.featured-body p {
    font-size: 1.0625rem;
    color: var(--color-muted);
}

.section-dark .section-body p,
.section-dark .service-card p {
    color: rgba(255, 255, 255, 0.75);
}

.two-column {
    column-count: 1;
    column-gap: 3rem;
}

.two-column p {
    break-inside: avoid;
    margin-bottom: 1.25rem;
}

.two-column p:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .two-column {
        column-count: 2;
    }
}

/* --------------------------------------------------------------------------
   Services / products
   -------------------------------------------------------------------------- */
.service-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    display: flex;
    flex-direction: column;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    background: var(--color-navy-soft);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: transform 0.3s var(--ease-out), border-color 0.3s;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.2);
}

.service-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.875rem;
    font-weight: 400;
    color: var(--color-white);
}

.service-number {
    font-size: 0.8125rem;
    font-weight: 800;
    color: var(--color-lime);
    letter-spacing: 0.08em;
}

.service-card p {
    flex: 1;
    margin-bottom: 1.5rem;
    line-height: 1.65;
}

.service-link {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-navy);
    background: var(--color-lime);
    border-radius: 999px;
    transition: background 0.2s, transform 0.2s;
}

.service-link:hover {
    background: #d9f20a;
    transform: translateY(-2px);
}

.service-link::after {
    content: "\2192";
    transition: transform 0.2s;
}

.service-link:hover::after {
    transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   Featured spotlight
   -------------------------------------------------------------------------- */
.section-featured {
    background: var(--color-ice);
}

.featured-panel {
    display: grid;
    gap: 2rem;
    padding: clamp(2rem, 5vw, 4rem);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 24px 60px rgba(10, 31, 46, 0.08);
}

.featured-panel .section-heading {
    margin-bottom: 0;
}

.featured-body {
    max-width: 640px;
}

.featured-body p {
    margin-bottom: 1.25rem;
}

.featured-body .button-primary {
    margin-top: 0.5rem;
}

@media (min-width: 900px) {
    .featured-panel {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 4rem;
    }
}

/* --------------------------------------------------------------------------
   Support links
   -------------------------------------------------------------------------- */
.support-panel {
    max-width: 820px;
    margin-inline: auto;
    padding: clamp(1.75rem, 4vw, 2.5rem);
    background: var(--color-ice);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.support-panel .eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-teal);
}

.support-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.support-list li {
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 700;
    color: var(--color-text);
    transition: border-color 0.2s, transform 0.2s;
}

.support-list li:hover {
    border-color: var(--color-teal);
    transform: translateX(4px);
}

.support-list a {
    color: var(--color-teal);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Contact / CTA
   -------------------------------------------------------------------------- */
.cta-panel {
    text-align: center;
    max-width: 760px;
    margin-inline: auto;
}

.cta-panel .section-heading {
    margin-inline: auto;
    margin-bottom: 1.5rem;
}

.cta-panel p {
    max-width: 560px;
    margin-inline: auto;
    margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    padding-block: 2rem;
    background: var(--color-navy);
    color: rgba(255, 255, 255, 0.55);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    text-align: center;
}

.site-footer a {
    text-decoration: underline;
    text-underline-offset: 3px;
    color: rgba(255, 255, 255, 0.75);
}

.site-footer a:hover {
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   App detail page components
   -------------------------------------------------------------------------- */
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.app-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 800;
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.download-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.download-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: clamp(1.5rem, 3vw, 2rem);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 40px rgba(10, 31, 46, 0.06);
    transition: transform 0.3s var(--ease-out), border-color 0.3s;
}

.download-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-teal);
}

.download-card h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.625rem;
    font-weight: 400;
    color: var(--color-navy);
}

.download-card p {
    margin: 0;
    color: var(--color-muted);
    line-height: 1.65;
}

.download-card .file-info {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-layout {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
    align-items: start;
}

@media (min-width: 900px) {
    .app-layout {
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    }
}

.app-detail-panel {
    padding: clamp(1.5rem, 3vw, 2rem);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 40px rgba(10, 31, 46, 0.06);
}

.app-detail-panel h3 {
    margin: 0 0 1rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-navy);
}

.app-detail-panel ul {
    margin: 0;
    padding-left: 1.25rem;
    list-style: disc;
    color: var(--color-muted);
    line-height: 1.8;
}

.app-detail-panel li + li {
    margin-top: 0.5rem;
}

.app-detail-panel code {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    font-size: 0.9em;
    background: var(--color-ice);
    border-radius: var(--radius-sm);
    color: var(--color-navy);
}

.code-block {
    display: block;
    width: 100%;
    margin-top: auto;
    padding: 0.875rem 1rem;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-navy);
    background: var(--color-ice);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    white-space: nowrap;
    overflow-x: auto;
}

.info-card {
    padding: clamp(1.5rem, 3vw, 2rem);
    background: var(--color-ice);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.info-card h4 {
    margin: 0 0 1rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-navy);
}

.info-card p,
.info-card dl {
    margin: 0;
    color: var(--color-muted);
    line-height: 1.7;
}

.info-card dt {
    font-weight: 800;
    margin-top: 0.75rem;
    color: var(--color-navy);
}

.info-card dd {
    margin-left: 0;
}

/* --------------------------------------------------------------------------
   Scroll reveal
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}