:root {
    --bg: #07111a;
    --bg-deep: #050d14;
    --panel: #0d1923;
    --panel-soft: rgba(255,255,255,.035);
    --border: rgba(255,255,255,.09);
    --border-light: rgba(255,255,255,.14);
    --text: #f1f5f8;
    --muted: #8fa5b6;
    --muted2: #667d8e;
    --accent: #38c7ee;
    --accent2: #557cff;
    --green: #63dfa2;
    --shadow: 0 24px 80px rgba(0,0,0,.25);
    --radius: 20px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 0%, rgba(56,199,238,.09), transparent 24%),
        radial-gradient(circle at 90% 12%, rgba(85,124,255,.08), transparent 22%),
        linear-gradient(180deg, #07111a 0%, #071019 55%, #050d14 100%);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.55;
}

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

.container {
    width: min(1140px, calc(100% - 48px));
    margin: 0 auto;
}

.nav-wrap {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5,13,20,.84);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,.06);
}

nav {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 850;
    font-size: 18px;
    letter-spacing: .3px;
}

.logo {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: linear-gradient(135deg, #4bd6f3, #557cff);
    color: #031019;
    font-weight: 900;
    box-shadow: 0 8px 26px rgba(56,199,238,.18);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.nav-links a:hover {
    color: #fff;
}

.nav-button {
    padding: 10px 15px;
    border-radius: 11px;
    background: #fff;
    color: #061019 !important;
}

.hero {
    min-height: 620px;
    display: grid;
    grid-template-columns: 1.04fr .96fr;
    align-items: center;
    gap: 48px;
    padding: 68px 0 76px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 20px;
    padding: 7px 11px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255,255,255,.025);
    color: #b9cbd6;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .4px;
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 15px rgba(99,223,162,.7);
}

h1 {
    max-width: 800px;
    margin: 0;
    font-size: clamp(44px, 5.8vw, 69px);
    line-height: 1.02;
    letter-spacing: -3px;
}

h2 {
    margin: 0 0 14px;
    font-size: clamp(30px, 4.2vw, 46px);
    line-height: 1.08;
    letter-spacing: -1.7px;
}

h3 {
    margin: 0;
}

.gradient {
    background: linear-gradient(90deg, #ffffff 0%, #9fdff0 45%, #819fff 100%);
    -webkit-background-clip: text;
    color: transparent;
}

.hero-text {
    max-width: 680px;
    margin-top: 22px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.72;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 800;
    transition: .2s ease;
}

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

.btn-primary {
    border: 0;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #041019;
}

.btn-secondary {
    background: rgba(255,255,255,.025);
}

.hero-card,
.project,
.case-card,
.about-card,
.contact-card,
.metric-card,
.flow-step {
    border: 1px solid var(--border);
    background:
        linear-gradient(155deg, rgba(255,255,255,.035), rgba(255,255,255,.012));
}

.hero-card {
    padding: 22px;
    border-radius: 25px;
    box-shadow: var(--shadow);
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
}

.visual-item {
    min-height: 108px;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: rgba(2,10,16,.5);
}

.visual-item.large {
    grid-column: span 2;
    min-height: 128px;
}

.visual-title {
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 800;
}

.visual-sub {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.section {
    padding: 72px 0;
}

.section-tight {
    padding: 55px 0;
}

.section-label {
    margin-bottom: 11px;
    color: var(--accent);
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 1.8px;
}

.lead {
    max-width: 720px;
    margin: 0 0 34px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.7;
}

.projects {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.project {
    padding: 24px;
    border-radius: var(--radius);
    transition: .2s ease;
}

.project:hover {
    transform: translateY(-3px);
    border-color: rgba(56,199,238,.25);
}

.project-number {
    color: var(--muted2);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
}

.project h3 {
    margin: 19px 0 8px;
    font-size: 21px;
}

.project p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.65;
}

.project-link {
    display: inline-flex;
    margin-top: 17px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 18px;
}

.tag {
    padding: 6px 9px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255,255,255,.02);
    color: #b9cbd6;
    font-size: 11px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.case-card {
    padding: 23px;
    border-radius: 18px;
}

.case-value {
    margin-bottom: 9px;
    font-size: 32px;
    font-weight: 850;
    letter-spacing: -1px;
}

.case-text {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

.about-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 18px;
}

.about-card {
    padding: 27px;
    border-radius: var(--radius);
}

.about-text {
    margin-top: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.75;
}

.contact-card {
    margin-bottom: 72px;
    padding: 40px;
    border-radius: 25px;
    background:
        radial-gradient(circle at 90% 15%, rgba(56,199,238,.12), transparent 30%),
        linear-gradient(155deg, rgba(255,255,255,.04), rgba(255,255,255,.014));
}

.contact-text {
    max-width: 720px;
    color: var(--muted);
    font-size: 15px;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 11px;
    margin-top: 24px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 30px;
}

.metric-card {
    padding: 19px;
    border-radius: 16px;
}

.metric-value {
    font-size: 25px;
    font-weight: 850;
}

.metric-label {
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
}

.flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 30px;
}

.flow-step {
    position: relative;
    padding: 21px;
    border-radius: 17px;
}

.flow-index {
    margin-bottom: 22px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 850;
}

.flow-title {
    margin-bottom: 7px;
    font-size: 16px;
    font-weight: 800;
}

.flow-text {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.flow-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -11px;
    transform: translate(50%,-50%);
    z-index: 5;
    color: var(--muted2);
    font-size: 18px;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
    margin-top: 28px;
}

.feature {
    padding: 17px 18px;
    border-bottom: 1px solid var(--border);
}

.feature strong {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
}

.feature span {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

footer {
    padding: 26px 0 38px;
    border-top: 1px solid var(--border);
    color: var(--muted2);
    font-size: 12px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .nav-links a:not(.nav-button) {
        display: none;
    }

    .hero,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .projects,
    .case-grid,
    .metrics,
    .flow {
        grid-template-columns: repeat(2, 1fr);
    }

    .flow-step::after {
        display: none;
    }
}

@media (max-width: 600px) {
    .container {
        width: min(100% - 26px, 1140px);
    }

    nav {
        min-height: 60px;
    }

    .hero {
        min-height: auto;
        padding: 44px 0 54px;
    }

    h1 {
        font-size: 43px;
        letter-spacing: -2px;
    }

    h2 {
        font-size: 32px;
    }

    .hero-text {
        font-size: 16px;
    }

    .section {
        padding: 58px 0;
    }

    .projects,
    .case-grid,
    .metrics,
    .flow,
    .feature-list,
    .visual-grid {
        grid-template-columns: 1fr;
    }

    .visual-item.large {
        grid-column: span 1;
    }

    .contact-card {
        padding: 28px 22px;
    }
}