:root {
    --bg: #f4f8fc;
    --bg-soft: #edf7ff;
    --surface: rgba(255, 255, 255, 0.82);
    --surface-strong: #ffffff;
    --surface-alt: #0f172a;
    --text: #0f172a;
    --muted: #475569;
    --line: rgba(148, 163, 184, 0.26);
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --secondary: #0f766e;
    --mint: #99f6e4;
    --sky: #dbeafe;
    --success: #166534;
    --shadow-lg: 0 24px 80px rgba(15, 23, 42, 0.12);
    --shadow-md: 0 18px 40px rgba(37, 99, 235, 0.12);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Instrument Sans", system-ui, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent 28%),
        radial-gradient(circle at 90% 20%, rgba(20, 184, 166, 0.18), transparent 20%),
        linear-gradient(180deg, #f7fbff 0%, #f4f8fc 42%, #eef5fb 100%);
}

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

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

button {
    font: inherit;
}

.page-shell {
    min-height: 100vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.25rem;
    backdrop-filter: blur(18px);
    background: rgba(244, 248, 252, 0.78);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 50%;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    box-shadow: var(--shadow-md);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    gap: 0.18rem;
}

.brand-text strong {
    font-size: 1rem;
}

.brand-text span {
    color: var(--muted);
    font-size: 0.84rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-nav a {
    position: relative;
    color: var(--muted);
    font-weight: 500;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

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

.site-nav a:hover::after,
.site-nav a.is-active::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    width: 2.8rem;
    height: 2.8rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.24rem;
    cursor: pointer;
}

.nav-toggle span {
    width: 1rem;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
}

.section,
.stats-strip,
.site-footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.section {
    padding-top: 5.25rem;
    padding-bottom: 1.2rem;
}

.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
    padding-top: 4rem;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--primary-strong);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.hero h1,
.section-heading h2 {
    margin: 0;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    line-height: 1.04;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.hero h1 {
    max-width: 12ch;
    font-size: clamp(2.9rem, 5.8vw, 5rem);
}

.section-heading h2 {
    max-width: none;
    font-size: clamp(2rem, 3.2vw, 3rem);
}

.hero-lede,
.section-heading + p,
.solution-copy p,
.panel p,
.feature-card p,
.stack-card p,
.social-callout p,
.tech-card p,
.journey-card p,
.resource-card p,
.video-copy p,
.timeline-step p {
    color: var(--muted);
    line-height: 1.7;
}

.hero-lede {
    margin-top: 1.35rem;
    max-width: 60ch;
    font-size: 1.08rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.25rem;
    padding: 0 1.4rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    box-shadow: var(--shadow-md);
}

.button-secondary {
    border: 1px solid rgba(37, 99, 235, 0.18);
    background: rgba(255, 255, 255, 0.76);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 1.7rem 0 0;
    padding: 0;
    list-style: none;
}

.hero-badges li {
    padding: 0.62rem 0.85rem;
    border-radius: 999px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(37, 99, 235, 0.14);
}

.hero-visual {
    position: relative;
    min-height: 30rem;
    align-self: start;
    transform: translateY(-2.2rem);
}

.hero-card {
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow-lg);
}

.hero-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: linear-gradient(180deg, #edf6ff 0%, #ffffff 100%);
}

.hero-card-main {
    position: absolute;
    top: 0;
    right: 0;
    width: min(24rem, 74%);
}

.hero-card-floating {
    position: absolute;
    width: min(13rem, 42%);
}

.hero-card-left {
    left: 0;
    bottom: 3.4rem;
    transform: rotate(-7deg);
}

.hero-card-right {
    right: 3rem;
    bottom: 1.1rem;
    transform: rotate(10deg);
}

.stats-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}

.stats-strip article,
.panel,
.feature-card,
.stack-card,
.social-callout,
.tech-card,
.journey-card,
.resource-card,
.video-card,
.architecture-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: var(--surface);
    backdrop-filter: blur(14px);
}

.stats-strip article {
    padding: 1.35rem;
}

.stats-strip strong {
    display: block;
    font-family: "Space Grotesk", sans-serif;
    font-size: 2rem;
}

.stats-strip span {
    color: var(--muted);
    line-height: 1.6;
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 2rem;
    max-width: 72rem;
}

.split-grid,
.feature-grid,
.screens-grid,
.resources-grid {
    display: grid;
    gap: 1rem;
}

.split-grid {
    grid-template-columns: repeat(3, 1fr);
}

.feature-grid {
    grid-template-columns: repeat(3, 1fr);
}

.screens-grid {
    grid-template-columns: repeat(3, 1fr);
}

.resources-grid {
    grid-template-columns: repeat(2, 1fr);
}

.panel,
.feature-card,
.stack-card,
.screen-card,
.journey-card,
.resource-card,
.tech-card {
    padding: 1.5rem;
}

.panel h3,
.feature-card h3,
.stack-card h3,
.screen-copy h3,
.social-callout h3,
.tech-card h3,
.journey-card h3,
.resource-card h3,
.video-copy h3 {
    margin: 0 0 0.7rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.25rem;
}

.solution-layout,
.social-layout {
    display: grid;
    gap: 1.25rem;
    align-items: start;
}

.solution-layout,
.social-layout {
    grid-template-columns: 1.1fr 0.9fr;
}

.solution-copy {
    padding: 1.5rem 1.65rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.92));
    border: 1px solid rgba(37, 99, 235, 0.12);
}

.solution-stack {
    display: grid;
    gap: 1rem;
}

.stack-card span,
.feature-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: max-content;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-strong);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.stack-card span {
    min-width: 2.4rem;
}

.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: "";
    position: absolute;
    inset: auto auto -2.5rem -2.5rem;
    width: 7rem;
    height: 7rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.16), transparent 70%);
    pointer-events: none;
}

.screen-card {
    overflow: hidden;
    padding: 0;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-md);
}

.screen-card img {
    width: 100%;
    aspect-ratio: 0.88 / 1;
    object-fit: contain;
    background: linear-gradient(180deg, #edf6ff 0%, #ffffff 100%);
    padding: 0.9rem;
}

.screen-copy {
    padding: 0 1.15rem 1.2rem;
}

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

.timeline {
    display: grid;
    gap: 1rem;
}

.timeline-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1.25rem 1.35rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.12);
    background: rgba(255, 255, 255, 0.88);
}

.timeline-step span {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    color: #fff;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.timeline-step h3 {
    margin: 0 0 0.35rem;
}

.timeline-step p {
    margin: 0;
}

.social-callout {
    padding: 1.6rem;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9)),
        linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
}

.social-callout p,
.social-callout li {
    color: rgba(255, 255, 255, 0.84);
}

.social-callout ul {
    margin: 1rem 0 0;
    padding-left: 1.2rem;
    line-height: 1.8;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.text-link {
    display: inline-flex;
    margin-top: 0.8rem;
    color: var(--primary-strong);
    font-weight: 700;
}

.video-card {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 1rem;
    padding: 1rem;
    margin-top: 1rem;
}

.video-copy {
    padding: 1rem;
}

.video-card video {
    width: 100%;
    border-radius: calc(var(--radius-lg) - 8px);
    background: #000;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 4rem;
    padding-bottom: 2rem;
    color: var(--muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 1024px) {
    .hero,
    .solution-layout,
    .social-layout,
    .video-card {
        grid-template-columns: 1fr;
    }

    .split-grid,
    .feature-grid,
    .screens-grid,
    .resources-grid,
    .stats-strip,
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-visual {
        min-height: 27rem;
        transform: translateY(-1rem);
    }
}

@media (max-width: 760px) {
    .site-header {
        padding-top: 0.9rem;
        padding-bottom: 0.9rem;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 1.25rem;
        left: 1.25rem;
        display: none;
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
        border-radius: var(--radius-md);
        border: 1px solid var(--line);
        background: rgba(255, 255, 255, 0.96);
        box-shadow: var(--shadow-lg);
    }

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

    .hero {
        padding-top: 2.6rem;
        gap: 2rem;
    }

    .hero h1 {
        font-size: clamp(2.6rem, 15vw, 4.3rem);
    }

    .split-grid,
    .feature-grid,
    .screens-grid,
    .resources-grid,
    .stats-strip,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 22rem;
        transform: none;
    }

    .hero-card-main {
        width: 80%;
    }

    .hero-card-left {
        width: 42%;
        bottom: 0.5rem;
    }

    .hero-card-right {
        width: 42%;
        right: 0.5rem;
        bottom: -0.75rem;
    }

    .site-footer {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}