/* ==========================================================================
   ТОР «АСТО» — собственный файл стилей (только для этого лендинга)
   Палитра: глубокий изумруд + тёплый светлый фон, тонкая золотая линия.
   Шрифты: IBM Plex Serif (заголовки) + IBM Plex Sans (текст).
   ========================================================================== */

:root {
    --emerald: #10502f;
    --emerald-2: #1c6b41;
    --gold: #c8a55b;
    --paper: #faf8f3;
    --ink: #1c2320;
    --muted: #5f6a63;
    --line: #ded8cc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'IBM Plex Sans', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--paper);
}

.shell { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: 'IBM Plex Serif', Georgia, serif; color: var(--emerald); margin: 0 0 14px; }
h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 600; line-height: 1.2; }

.eyebrow {
    display: inline-block;
    font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
    color: var(--gold); font-weight: 600; margin-bottom: 12px;
}
.eyebrow--light { color: var(--gold); }

.block { padding: 84px 0; }

/* ------------------------ ГЛАВНОЕ МЕНЮ ------------------------ */
.topbar {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0; z-index: 60;
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 20px; }
.topbar__brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.topbar__abbr {
    font-family: 'IBM Plex Serif', serif; font-weight: 700; font-size: 20px;
    color: #fff; background: var(--emerald);
    padding: 8px 12px; letter-spacing: .06em;
}
.topbar__name {
    font-size: 13px; line-height: 1.3; color: var(--emerald);
    letter-spacing: .04em; text-transform: uppercase;
}
.topnav { display: flex; gap: 26px; }
.topnav a {
    text-decoration: none; color: #2c3a33; font-size: 15px; font-weight: 500;
    padding-bottom: 4px; border-bottom: 1px solid transparent; transition: .2s;
}
.topnav a:hover { color: var(--emerald); border-bottom-color: var(--gold); }
.topbar__burger { display: none; }

/* ------------------------------ HERO ------------------------------ */
.hero { position: relative; color: #fff; }
.hero__bg { position: absolute; inset: 0; overflow: hidden; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); }
.hero__bg::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(8,42,25,.9) 0%, rgba(10,58,34,.82) 55%, rgba(8,42,25,.95) 100%);
}
.hero__inner { position: relative; z-index: 2; padding: 110px 24px 150px; max-width: 1180px; margin: 0 auto; }
.hero__kicker {
    font-size: 12px; letter-spacing: .24em; text-transform: uppercase;
    color: var(--gold); margin: 0 0 20px;
}
.hero h1 {
    color: #fff; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.12;
    font-weight: 600; max-width: 900px; margin-bottom: 22px;
}
.hero__sub { max-width: 660px; color: #d7e4da; font-size: 17px; margin: 0 0 30px; }
.hero__row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
    display: inline-block; padding: 14px 30px; text-decoration: none; font-size: 15px;
    font-weight: 600; background: var(--gold); color: #23301f; transition: .2s;
}
.btn:hover { background: #d9b76b; }
.btn--line { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }
.btn--line:hover { background: rgba(255,255,255,.12); }

.hero__strip { position: relative; z-index: 2; background: #fff; border-bottom: 3px solid var(--gold); }
.hero__strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.hero__strip-grid > div { padding: 22px 24px; border-left: 1px solid var(--line); }
.hero__strip-grid > div:first-child { border-left: 0; }
.hero__strip-grid b { display: block; font-family: 'IBM Plex Serif', serif; font-size: 24px; color: var(--emerald); }
.hero__strip-grid span { font-size: 13px; color: var(--muted); }

/* ------------------------------ ABOUT ------------------------------ */
.about__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.about__media img {
    width: 100%; height: 440px; object-fit: cover;
    border: 1px solid var(--line); padding: 10px; background: #fff;
}
.about p { margin: 0 0 16px; }
.about__quote {
    border-left: 3px solid var(--gold); padding: 6px 0 6px 20px;
    font-family: 'IBM Plex Serif', serif; font-size: 18px; color: var(--emerald);
}

/* --------------------------- DIRECTIONS --------------------------- */
.directions { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.directions__title { margin-bottom: 40px; }
.tasks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
.task {
    display: grid; grid-template-columns: 64px 1fr; gap: 18px;
    padding: 26px 0; border-top: 1px solid var(--line);
}
.task__num {
    font-family: 'IBM Plex Serif', serif; font-size: 26px; color: var(--gold);
    line-height: 1; padding-top: 2px;
}
.task h3 { font-size: 19px; margin-bottom: 8px; }
.task p { margin: 0; color: #3e4a43; font-size: 15px; }

/* ------------------------------ FACTS ------------------------------ */
.facts { background: var(--emerald); color: #e7efe9; padding: 68px 0; }
.facts__row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.facts__item { border-top: 2px solid rgba(200,165,91,.6); padding-top: 18px; }
.facts__item b {
    display: block; font-family: 'IBM Plex Serif', serif; font-size: 26px;
    color: #fff; line-height: 1.2; margin-bottom: 6px;
}
.facts__item span { font-size: 14px; color: #b9cfc0; }

/* ----------------------------- DETAILS ----------------------------- */
.details__title { margin-bottom: 34px; }
.details__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; }
.details__group h3 {
    font-size: 15px; text-transform: uppercase; letter-spacing: .14em;
    color: var(--muted); font-family: 'IBM Plex Sans', sans-serif; font-weight: 600;
    padding-bottom: 10px; border-bottom: 2px solid var(--emerald); margin-bottom: 18px;
}
.details__group p { margin: 0 0 14px; font-size: 15px; }
.details__group p span { display: block; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------------------------- CONTACTS ----------------------------- */
.contacts { background: #fff; border-top: 1px solid var(--line); }
.contacts__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contacts__list { list-style: none; margin: 0; padding: 0; }
.contacts__list li {
    padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px;
    font-weight: 500; color: var(--emerald);
}
.contacts__list li span {
    display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .13em;
    color: var(--muted); font-weight: 400; margin-bottom: 4px;
}

/* ------------------------------ FOOTER ----------------------------- */
.footer { background: #0c2c1c; color: #93ab9e; padding: 24px 0; font-size: 14px; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.footer p { margin: 0; }

/* ------------------------------ АДАПТИВ ---------------------------- */
@media (max-width: 1000px) {
    .about__grid { grid-template-columns: 1fr; gap: 30px; }
    .about__media img { height: 320px; }
    .tasks { grid-template-columns: 1fr; }
    .facts__row { grid-template-columns: 1fr 1fr; gap: 24px; }
    .details__cols { grid-template-columns: 1fr; gap: 30px; }
    .contacts__grid { grid-template-columns: 1fr; gap: 28px; }
    .hero__inner { padding: 80px 24px 110px; }
}

@media (max-width: 760px) {
    .topbar { position: relative; }
    .topbar__burger {
        display: flex; flex-direction: column; gap: 5px; width: 44px; height: 40px;
        justify-content: center; padding: 0 10px; border: 1px solid var(--line); cursor: pointer;
    }
    .topbar__burger i { display: block; height: 2px; background: var(--emerald); }
    .topnav {
        position: absolute; left: 0; right: 0; top: 100%; background: #fff;
        flex-direction: column; gap: 0; max-height: 0; overflow: hidden;
        transition: max-height .3s; border-bottom: 1px solid var(--line);
    }
    .topbar__check:checked ~ .topnav { max-height: 360px; }
    .topnav a { padding: 15px 24px; border-bottom: 1px solid var(--line); }
    .topbar__inner { position: relative; }

    .hero__strip-grid { grid-template-columns: 1fr; }
    .hero__strip-grid > div { border-left: 0; border-top: 1px solid var(--line); }
    .hero__strip-grid > div:first-child { border-top: 0; }
    .facts__row { grid-template-columns: 1fr; }
    .block { padding: 54px 0; }
    .task { grid-template-columns: 46px 1fr; gap: 12px; }
    .topbar__name { font-size: 11px; }
}