:root {
    --white: #ffffff;
    --text: #111827;
    --muted: #64748b;
    --soft: #f5f7fb;
    --soft-2: #eef3fb;
    --line: #e6eaf2;
    --navy: #101828;
    --gold: #c99a2e;
    --gold-dark: #a67613;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --shadow: 0 24px 70px rgba(16, 24, 40, .10);
    --shadow-soft: 0 14px 40px rgba(16, 24, 40, .07);
    --radius: 28px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 0%, rgba(201,154,46,.10), transparent 26%),
        radial-gradient(circle at 90% 4%, rgba(37,99,235,.09), transparent 28%),
        #fff;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
}

body.menu-open {
    overflow: hidden;
}

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

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

button,
input,
textarea {
    font: inherit;
}

.wrap {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(230,234,242,.82);
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(18px);
}

.header__inner {
    min-height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 26px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
}

.logo__mark {
    width: 38px;
    height: 38px;
    border: 2px solid rgba(201,154,46,.62);
    border-radius: 14px;
    background:
        radial-gradient(circle at center, transparent 0 28%, var(--gold) 30% 36%, transparent 38%),
        linear-gradient(145deg, #fff, #fff7e8);
    transform: rotate(45deg);
}

.logo__text {
    display: grid;
    line-height: 1;
}

.logo__text b {
    font-size: 22px;
    letter-spacing: .04em;
}

.logo__text small {
    margin-top: 4px;
    color: var(--gold);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: .38em;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    color: #334155;
    font-size: 14px;
    font-weight: 750;
}

.nav a {
    transition: color .2s ease;
}

.nav a:hover {
    color: var(--gold-dark);
}

.header__button,
.btn,
.form button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    padding: 0 22px;
    font-weight: 850;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
}

.header__button {
    color: #fff;
    background: var(--navy);
    box-shadow: 0 12px 28px rgba(16,24,40,.16);
}

.header__button:hover,
.btn:hover,
.form button:hover {
    transform: translateY(-1px);
}

.burger {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff;
    padding: 11px;
    cursor: pointer;
}

.burger span {
    display: block;
    height: 2px;
    margin: 5px 0;
    border-radius: 99px;
    background: var(--navy);
}

/* Global */
.site-main {
    min-height: 60vh;
}

.section {
    padding: 82px 0;
}

.section-pad {
    padding: 74px 0 82px;
}

.section--soft {
    background: linear-gradient(180deg, var(--soft), #fff);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--gold-dark);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: currentColor;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 22px;
    font-size: clamp(50px, 6.5vw, 78px);
    line-height: .92;
    letter-spacing: -.06em;
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(34px, 4.2vw, 52px);
    line-height: 1.05;
    letter-spacing: -.045em;
}

h3 {
    margin-bottom: 10px;
}

/* Hero */
.hero {
    overflow: hidden;
    position: relative;
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 500px) minmax(0, 1fr);
    align-items: center;
    gap: 42px;
}

.hero__content {
    max-width: 520px;
}

.hero__subtitle {
    max-width: 520px;
    color: var(--muted);
    font-size: 18px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 30px 0 24px;
}

.btn--primary,
.form button {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    box-shadow: 0 14px 32px rgba(37,99,235,.22);
}

.btn--light {
    color: var(--navy);
    border: 1px solid var(--line);
    background: #fff;
}

.status-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.status-row div {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255,255,255,.82);
    padding: 13px 15px;
    box-shadow: 0 12px 30px rgba(16,24,40,.04);
}

.status-row b,
.status-row span {
    display: block;
}

.status-row b {
    font-size: 14px;
}

.status-row span {
    color: var(--muted);
    font-size: 12px;
}

.visual {
    position: relative;
    overflow: hidden;
    margin: 0;
    border: 1px solid rgba(230,234,242,.92);
    border-radius: 30px;
    background: #fff;
    box-shadow: var(--shadow);
}

.visual::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 16% 86%, rgba(37,99,235,.08), transparent 26%),
        radial-gradient(circle at 84% 18%, rgba(201,154,46,.10), transparent 28%);
    z-index: 1;
}

.visual img {
    position: relative;
    z-index: 0;
    width: 100%;
    height: auto;
}

.visual--hero {
    justify-self: end;
    width: min(100%, 660px);
    border-radius: 32px;
}

/* About */
.about-card,
.request {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
    padding: 34px;
}

.about-card {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 34px;
}

.about-card__text {
    color: var(--muted);
}

.about-card__text p:last-child {
    margin-bottom: 0;
}

/* Feature grid */
.section-head {
    max-width: 760px;
    margin: 0 auto 36px;
    text-align: center;
}

.section-head p {
    color: var(--muted);
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.features article,
.roadmap article {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--shadow-soft);
    padding: 26px;
}

.features span {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border-radius: 14px;
    color: var(--gold-dark);
    background: #fff7e6;
    font-weight: 900;
}

.features h3 {
    font-size: 22px;
}

.features p {
    margin-bottom: 0;
    color: var(--muted);
}

/* Split sections */
.split {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 42px;
}

.split--reverse {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
}

.split__text {
    max-width: 520px;
}

.split__text p {
    color: var(--muted);
}

.list {
    display: grid;
    gap: 12px;
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.list li {
    position: relative;
    padding-left: 30px;
    color: #334155;
}

.list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .45em;
    width: 16px;
    height: 16px;
    border-radius: 99px;
    border: 1px solid rgba(201,154,46,.35);
    background:
        radial-gradient(circle at center, var(--gold) 0 34%, transparent 36%),
        #fff7e6;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.tags span {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    padding: 9px 14px;
    color: #334155;
    font-size: 14px;
    font-weight: 800;
}

/* Roadmap */
.roadmap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.roadmap b,
.roadmap span {
    display: block;
}

.roadmap span {
    margin-top: 10px;
    color: var(--gold-dark);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

/* Request */
.request {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 34px;
    align-items: start;
}

.request p {
    color: var(--muted);
}

.notice {
    margin-top: 18px;
    border: 1px solid rgba(22,163,74,.22);
    border-radius: 16px;
    background: rgba(22,163,74,.08);
    color: #15803d;
    padding: 14px 16px;
    font-weight: 750;
}

.form {
    display: grid;
    gap: 12px;
}

.form input,
.form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    color: var(--text);
    padding: 15px 16px;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.form input:focus,
.form textarea:focus {
    border-color: rgba(37,99,235,.42);
    box-shadow: 0 0 0 4px rgba(37,99,235,.08);
}

.form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    border-top: 1px solid var(--line);
    background: #fff;
    padding: 56px 0 24px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.35fr .75fr .75fr 1fr;
    gap: 36px;
}

.footer__brand p,
.footer__col span,
.footer__col a,
.footer__col p {
    color: var(--muted);
}

.footer__brand .logo {
    margin-bottom: 16px;
}

.footer__col h3 {
    margin-bottom: 14px;
    font-size: 15px;
}

.footer__col a,
.footer__col span {
    display: block;
    margin: 8px 0;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: #94a3b8;
    font-size: 14px;
}

/* Tablet */
@media (max-width: 1120px) {
    .header__inner {
        grid-template-columns: auto auto;
    }

    .burger {
        display: block;
        justify-self: end;
    }

    .nav,
    .header__button {
        display: none;
    }

    .nav.is-open {
        position: fixed;
        top: 88px;
        left: 20px;
        right: 20px;
        z-index: 200;
        display: grid;
        gap: 8px;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: rgba(255,255,255,.97);
        box-shadow: var(--shadow);
        padding: 18px;
    }

    .nav.is-open a {
        border-radius: 14px;
        background: var(--soft);
        padding: 14px;
    }

    .hero__grid,
    .about-card,
    .split,
    .split--reverse,
    .request {
        grid-template-columns: 1fr;
    }

    .hero__content,
    .split__text {
        max-width: 760px;
    }

    .visual--hero,
    .visual {
        justify-self: start;
        width: min(100%, 860px);
    }

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

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

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

/* Mobile */
@media (max-width: 720px) {
    .wrap {
        width: min(100% - 28px, 1180px);
    }

    .section,
    .section-pad {
        padding: 52px 0;
    }

    .header__inner {
        min-height: 70px;
    }

    .logo__mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
    }

    .logo__text b {
        font-size: 19px;
    }

    h1 {
        font-size: clamp(44px, 15vw, 62px);
    }

    h2 {
        font-size: 34px;
    }

    .hero__subtitle {
        font-size: 17px;
    }

    .hero__actions {
        display: grid;
    }

    .btn,
    .form button {
        width: 100%;
    }

    .status-row,
    .features,
    .roadmap,
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .about-card,
    .request {
        padding: 24px;
        border-radius: 24px;
    }

    .visual {
        border-radius: 22px;
    }

    .footer__bottom {
        flex-direction: column;
    }
}
