:root {
    --bg: #07111a;
    --bg-soft: #0e1b29;
    --panel: rgba(10, 25, 39, 0.78);
    --panel-light: #f2f6f9;
    --panel-white: rgba(255, 255, 255, 0.92);
    --text: #eaf2f8;
    --text-dark: #132331;
    --muted: #95a9b8;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #75e6da;
    --accent-strong: #0bc5b0;
    --warning: #ff7a59;
    --shadow: 0 30px 80px rgba(1, 8, 15, 0.35);
    --radius: 24px;
    --radius-small: 18px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(11, 197, 176, 0.16), transparent 28%),
        radial-gradient(circle at top right, rgba(117, 230, 218, 0.12), transparent 22%),
        linear-gradient(180deg, #050b12 0%, #0a1622 54%, #07111a 100%);
}

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

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

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

.hero,
.section {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.hero {
    padding: 28px 0 64px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 42px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    background: url(/assets/images/logo.png);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
}

.brand-text,
.eyebrow,
h1,
h2,
h3,
.button,
.hero-metrics strong,
.step span {
    font-family: "DIN Alternate", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
}

.brand-text {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.92rem;
}

.topbar-link {
    padding: 12px 18px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--accent);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 32px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    font-size: 0.85rem;
}

h1,
h2 {
    margin: 0;
    line-height: 0.95;
    letter-spacing: 0.02em;
}

h1 {
    font-size: clamp(3rem, 7vw, 6.4rem);
    max-width: 11ch;
}

h2 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    max-width: 100%;
}

h3 {
    margin: 0 0 12px;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
}

p {
    margin: 0;
    line-height: 1.65;
}

.hero-lead,
.workflow-copy p,
.contact-copy p,
.equipment-card p,
.step p,
.advantages-grid p {
    color: var(--muted);
    font-size: 1.02rem;
}

.hero-lead {
    max-width: 64ch;
    margin-top: 24px;
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.button-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #041016;
    box-shadow: 0 18px 40px rgba(11, 197, 176, 0.25);
}

.button-secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.02);
}

.button-wide {
    width: 100%;
}

.hero-metrics {
    list-style: none;
    padding: 0;
    margin: 34px 0 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.hero-metrics li,
.visual-card,
.equipment-card,
.step,
.advantages-grid article,
.contact-form {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.hero-metrics li {
    padding: 18px;
}

.hero-metrics strong {
    display: block;
    font-size: 1.4rem;
}

.hero-metrics span {
    color: var(--muted);
    font-size: 0.95rem;
}

.hero-visual {
    position: relative;
    min-height: 560px;
}

.visual-card {
    position: absolute;
    overflow: hidden;
}

.visual-card-main {
    inset: 28px 0 90px 38px;
    padding: 18px;
}

.visual-card-small {
    top: 0;
    right: 12px;
    padding: 18px 20px;
    max-width: 220px;
}

.visual-card-accent {
    left: 0;
    bottom: 0;
    padding: 18px 20px;
    max-width: 280px;
}

.visual-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 8px;
}

.visual-card strong {
    display: block;
    font-size: 1.15rem;
    line-height: 1.35;
}

.section {
    padding: 42px 0;
}

.section-dark {
    padding-top: 8px;
}

.section-heading {
    margin-bottom: 28px;
}

.equipment-grid,
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.equipment-card,
.advantages-grid article {
    padding: 18px;
}

.equipment-card img {
    height: 180px;
    object-fit: cover;
    margin-bottom: 16px;
    border-radius: 18px;
}

.workflow {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 20px;
    align-items: start;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.step {
    padding: 20px;
}

.step span {
    display: inline-flex;
    margin-bottom: 20px;
    color: var(--accent);
    font-size: 1.4rem;
}

.section-light .workflow-copy,
.section-accent .advantages,
.section-contact .contact-layout {
    background: var(--panel-white);
    color: var(--text-dark);
    border-radius: 36px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.section-light .workflow-copy p,
.section-accent p,
.section-contact p,
.section-contact .contact-note span,
.contact-form label small {
    color: #546777;
}

.section-accent {
    padding-top: 0;
}

.advantages-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.advantages-grid article {
    background: #ffffff;
    border-color: rgba(19, 35, 49, 0.08);
    box-shadow: none;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.95fr);
    gap: 22px;
}

.contact-note {
    margin-top: 22px;
    display: inline-flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(117, 230, 218, 0.18), rgba(11, 197, 176, 0.08));
}

.contact-form {
    padding: 22px;
    background: #ffffff;
    border-color: rgba(19, 35, 49, 0.08);
    box-shadow: none;
}

.status-banner {
    display: none;
    margin-bottom: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 0.95rem;
}

.status-banner.is-visible {
    display: block;
}

.status-banner.is-success {
    background: rgba(11, 197, 176, 0.12);
    color: #0b5f55;
}

.status-banner.is-error {
    background: rgba(255, 122, 89, 0.12);
    color: #a23e23;
}

.contact-form label {
    display: block;
    margin-bottom: 16px;
}

.contact-form label span {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: #324b5d;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid rgba(50, 75, 93, 0.12);
    border-radius: 16px;
    padding: 14px 16px;
    font: inherit;
    color: var(--text-dark);
    background: #f8fbfd;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-strong);
    transform: translateY(-1px);
}

.contact-form small {
    display: block;
    margin-top: 6px;
}

@media (max-width: 1024px) {
    .hero-grid,
    .workflow,
    .contact-layout,
    .equipment-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid,
    .workflow-steps {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 480px;
    }

    .visual-card-main {
        inset: 48px 20px 96px;
    }

    .visual-card-small,
    .visual-card-accent {
        max-width: 260px;
    }
}

@media (max-width: 720px) {
    .hero,
    .section {
        width: min(100% - 20px, 1180px);
    }

    .topbar,
    .hero-actions,
    .hero-metrics,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        align-items: flex-start;
    }

    .hero-metrics {
        display: grid;
    }

    .hero-visual {
        min-height: 420px;
    }

    .visual-card-main {
        inset: 60px 0 100px;
    }

    .visual-card-small {
        right: 0;
    }

    .section-light .workflow-copy,
    .section-accent .advantages,
    .section-contact .contact-layout {
        padding: 22px;
        border-radius: 28px;
    }
}