:root {
    --bg-main: #000000;
    --bg-alt: #050505;
    --surface-1: #0A0A0A;
    --surface-2: #121212;
    --surface-3: #181818;
    --text-primary: #f5f5f5;
    --text-secondary: #c7c7c7;
    --text-muted: #9d9d9d;
    --line-soft: rgba(255, 255, 255, 0.16);
    --line-strong: rgba(255, 255, 255, 0.35);
    --accent: #ffffff;
    --accent-ink: #000000;
    --shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --container-width: 1160px;
    --header-height: 78px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-main);
    color: var(--text-primary);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--accent);
    color: #00171a;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    z-index: 2000;
    text-decoration: none;
}

.skip-link:focus-visible {
    top: 18px;
}

.container {
    width: min(100% - 48px, var(--container-width));
    margin-inline: auto;
}

h1,
h2,
h3 {
    font-family: Manrope, Inter, sans-serif;
    letter-spacing: -0.03em;
    line-height: 1.14;
}

h1 {
    font-size: clamp(2.15rem, 4vw, 4.1rem);
    margin-bottom: 20px;
}

h2 {
    font-size: clamp(1.75rem, 3.2vw, 3rem);
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
}

p {
    color: var(--text-secondary);
}

ul {
    list-style: none;
}

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

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(14px);
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    border-color: var(--line-soft);
}

.nav-shell {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: Manrope, Inter, sans-serif;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
    font-size: 1.08rem;
}

.brand-mark {
    color: var(--accent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.site-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.site-nav a:hover {
    color: var(--text-primary);
}

.site-nav a.button {
    color: var(--accent-ink);
}

.site-nav a.button:hover {
    color: var(--accent-ink);
    background: var(--accent);
}

.menu-toggle {
    display: none;
    border: 1px solid var(--line-soft);
    background: rgba(22, 22, 22, 1);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.menu-toggle-icon {
    width: 18px;
    height: 2px;
    background: currentColor;
    position: relative;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
    content: "";
    width: 18px;
    height: 2px;
    background: currentColor;
    position: absolute;
    left: 0;
}

.menu-toggle-icon::before {
    top: -6px;
}

.menu-toggle-icon::after {
    top: 6px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(255, 255, 255, 0.08);
}

.button-ghost {
    background: transparent;
    border-color: var(--line-strong);
    color: var(--text-primary);
}

.button-ghost:hover {
    box-shadow: none;
    border-color: var(--accent);
    color: var(--text-primary);
}

.button-small {
    padding: 10px 14px;
    font-size: 0.88rem;
}

.hero-section {
    position: relative;
    padding: calc(var(--header-height) + 68px) 0 84px;
}

.hero-glow {
    display: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 50px;
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
}

.lead {
    font-size: 1.06rem;
    max-width: 62ch;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 30px;
}

.hero-bullets {
    margin-top: 22px;
    display: grid;
    gap: 10px;
}

.hero-bullets li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 18px;
}

.hero-bullets li::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    position: absolute;
    left: 0;
    top: 9px;
}

.visual-frame {
    position: relative;
    transform: scale(1.3) translateX(0); /* slightly larger scale as requested */
    transform-origin: center center;
    pointer-events: none;
    z-index: -1;
}

.visual-frame img {
    aspect-ratio: 16 / 9;
    object-fit: contain;
    width: 100%;
}

.visual-chip {
    position: absolute;
    padding: 7px 10px;
    border-radius: var(--radius-md);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 700;
    border: 1px solid var(--line-strong);
    background: rgba(0, 0, 0, 0.88);
}

.visual-chip.top {
    top: 14px;
    right: 14px;
}

.visual-chip.bottom {
    bottom: 14px;
    left: 14px;
}

.trust-strip {
    border-block: 1px solid var(--line-soft);
    background: var(--surface-3);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    padding: 18px 0;
}

.trust-items span {
    text-align: center;
    font-size: 0.84rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

section {
    padding: 84px 0;
}

.problem-section {
    background: var(--bg-main);
}

.architecture-section {
    background: var(--surface-3);
}

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

.section-head h2 {
    margin-bottom: 16px;
}

.section-copy {
    max-width: 66ch;
}

.problem-story {
    margin-top: 14px;
}

.metric-grid,
.solution-grid,
.security-grid {
    display: grid;
    gap: 18px;
    margin-top: 36px;
}

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

.metric-card {
    background: var(--surface-1);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 24px;
}

.metric-value {
    color: var(--text-primary);
    font-family: Manrope, Inter, sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: clamp(1.85rem, 3vw, 2.7rem);
    margin-bottom: 8px;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.96rem;
}

.architecture-grid {
    margin-top: 34px;
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arch-card {
    background: var(--surface-1);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 24px;
}

.arch-card.featured {
    border-color: var(--line-strong);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.arch-card h3 {
    margin-bottom: 12px;
}

.arch-card ul {
    display: grid;
    gap: 10px;
}

.arch-card li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 16px;
}

.arch-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.solutions-section {
    background: var(--surface-3);
}

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

.solution-tile {
    background: var(--surface-1);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 24px;
}

.solution-tile h3 {
    margin-bottom: 10px;
}

.solution-tile p {
    font-size: 0.95rem;
}

.section-cta {
    margin-top: 26px;
}

.solution-example-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 24px;
}

.example-card {
    background: var(--surface-1);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 22px;
}

.example-label {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.example-question {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.example-answer {
    color: var(--text-secondary);
}

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

.security-section {
    background: var(--bg-main);
}

.security-card {
    background: var(--surface-1);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 24px;
}

.security-card h3 {
    margin-bottom: 10px;
}

.contact-section {
    padding-top: 72px;
}

.contact-shell {
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    background: var(--surface-1);
    padding: 36px;
    box-shadow: var(--shadow);
}

.contact-shell h2 {
    margin-bottom: 12px;
}

.contact-shell p {
    max-width: 70ch;
    margin-bottom: 24px;
}

.site-footer {
    margin-top: 84px;
    border-top: 1px solid var(--line-soft);
    background: #080808;
}

.footer-shell {
    padding: 40px 0 26px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
}

.footer-brand {
    margin-bottom: 10px;
}

.footer-note {
    color: var(--text-muted);
    max-width: 58ch;
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
    align-content: start;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.93rem;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-meta {
    border-top: 1px solid var(--line-soft);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0 28px;
}

.footer-meta p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Solutions page */
.solutions-hero {
    padding-bottom: 50px;
}

.solutions-grid-section {
    padding-top: 40px;
}

.solution-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 64px 0;
    border-bottom: 1px solid var(--line-soft);
}

.solution-card:last-child {
    border-bottom: none;
}

.solution-card.reverse {
    direction: rtl;
}

.solution-card.reverse > * {
    direction: ltr;
}

.solution-number {
    display: inline-block;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 700;
}

.solution-card-content h2 {
    margin-bottom: 16px;
}

.solution-desc {
    margin-bottom: 20px;
}

.solution-features {
    display: grid;
    gap: 10px;
    margin-bottom: 20px;
}

.solution-features li {
    position: relative;
    padding-left: 18px;
    color: var(--text-secondary);
}

.solution-features li::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    position: absolute;
    left: 0;
    top: 10px;
}

.solution-quote {
    border-left: 2px solid var(--accent);
    background: rgba(255, 255, 255, 0.03);
    padding: 18px;
}

.solution-quote p {
    color: var(--text-primary);
    font-size: 1.03rem;
    font-style: italic;
    margin-bottom: 8px;
}

.solution-quote span {
    color: var(--text-secondary);
}

.visual-mockup {
    border: 1px solid var(--line-soft);
    background: linear-gradient(180deg, rgba(37, 37, 37, 0.95), rgba(19, 19, 19, 0.95));
    border-radius: var(--radius-md);
    overflow: hidden;
}

.mockup-header {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, 0.04);
}

.mockup-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.mockup-header span:nth-child(1) { background-color: rgba(255, 255, 255, 0.15); }
.mockup-header span:nth-child(2) { background-color: rgba(255, 255, 255, 0.15); }
.mockup-header span:nth-child(3) { background-color: rgba(255, 255, 255, 0.15); }

.mockup-content {
    padding: 16px;
}

.mockup-search,
.mockup-result,
.mockup-entity,
.discovery-stat,
.source {
    border: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
}

.mockup-search {
    padding: 12px;
    margin-bottom: 10px;
}

.mockup-results {
    display: grid;
    gap: 8px;
}

.mockup-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    gap: 8px;
}

.result-type {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.result-title {
    color: var(--text-primary);
    flex: 1;
}

.result-match {
    color: var(--text-secondary);
    font-weight: 600;
}

.entity-header {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    border-bottom: 1px solid var(--line-soft);
}

.entity-name {
    color: var(--text-primary);
    font-weight: 600;
}

.entity-count {
    color: var(--text-muted);
}

.entity-connections {
    padding: 10px 12px;
}

.connection {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.connection:last-child {
    border-bottom: none;
}

.connection-type {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    min-width: 74px;
}

.mockup-discovery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.discovery-stat {
    padding: 18px 8px;
    text-align: center;
}

.stat-value {
    color: var(--text-primary);
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.mockup-sources {
    display: grid;
    gap: 10px;
}

.source {
    padding: 12px;
}

.source-name {
    color: var(--text-primary);
    display: block;
    font-weight: 600;
}

.source-count {
    color: var(--text-secondary);
}

/* Reveal animation */
[data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

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

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

    .solution-card.reverse {
        direction: ltr;
    }
}

@media (max-width: 860px) {
    .menu-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 24px;
        right: 24px;
        border: 1px solid var(--line-soft);
        border-radius: var(--radius-md);
        background: rgba(12, 12, 12, 0.99);
        padding: 14px;
        display: grid;
        gap: 8px;
        transform-origin: top;
        transform: scaleY(0.9);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .site-nav.open {
        transform: scaleY(1);
        opacity: 1;
        pointer-events: auto;
    }

    .site-nav a {
        padding: 10px;
        border-radius: var(--radius-sm);
    }

    .site-nav a:hover {
        background: rgba(255, 255, 255, 0.08);
    }

    .site-nav .button-small {
        width: 100%;
        margin-top: 6px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .metric-grid,
    .solution-grid,
    .solution-example-grid,
    .security-grid,
    .footer-shell,
    .footer-links {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 640px) {
    .container {
        width: min(100% - 30px, var(--container-width));
    }

    .hero-section {
        padding-top: calc(var(--header-height) + 42px);
    }

    section {
        padding: 68px 0;
    }

    .contact-shell,
    .metric-card,
    .arch-card,
    .solution-tile,
    .security-card {
        padding: 20px;
    }

    .visual-chip {
        font-size: 0.65rem;
    }

    .mockup-discovery {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

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