@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/Montserrat-Regular.woff2') format('woff2'),
         url('../fonts/Montserrat-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/Montserrat-Bold.woff2') format('woff2'),
         url('../fonts/Montserrat-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: #f3f5f8;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    line-height: 1.55;
    color: #1a2230;
}

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

a {
    text-decoration: none;
}

.page {
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.topbar {
    background: #111827;
    color: #fff;
    font-size: 14px;
}

.topbar__wrap {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 14px 20px;
    flex-wrap: wrap;
}

.hero {
    padding: 34px 0 50px;
    background: radial-gradient(circle at top right, #68b4ff 0%, #2785df 35%, #0f3f7e 100%);
}

.hero__card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 34px;
    align-items: center;
    background: #fff;
    border-radius: 30px;
    padding: 34px;
    box-shadow: 0 25px 60px rgba(9, 40, 84, 0.22);
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: #e8f3ff;
    color: #1269c7;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 14px;
}

.badge--light {
    background: rgba(255,255,255,.16);
    color: #fff;
}

.hero h1,
.order-final h2,
.section-head h2,
.about h2 {
    margin: 0;
    font-size: 44px;
    line-height: 1.08;
    font-weight: 700;
}

.hero__subtitle,
.order-final__content p {
    margin: 18px 0 0;
    font-size: 18px;
    color: #506078;
}

.hero__list,
.check-list,
.specs__list {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.hero__list li,
.check-list li,
.specs__list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 14px;
}

.hero__list li:before,
.check-list li:before,
.specs__list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: #1a8f45;
    font-weight: 700;
}

.hero__price {
    display: flex;
    gap: 16px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.price-old,
.price-new {
    flex: 1 1 220px;
    border-radius: 22px;
    padding: 18px 20px;
}

.price-old {
    background: #f4f6f9;
}

.price-new {
    background: linear-gradient(135deg, #ffe37b 0%, #ffc62e 100%);
    color: #1f2228;
}

.price-old span,
.price-new span {
    display: block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 8px;
}

.price-old strong {
    font-size: 28px;
    text-decoration: line-through;
    color: #7d8896;
}

.price-new strong {
    font-size: 34px;
}

.hero__actions {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 64px;
    padding: 16px 32px;
    border: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, #0f7ae5 0%, #37a2ff 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 16px 30px rgba(26, 121, 227, 0.28);
    transition: transform .2s ease, box-shadow .2s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(26, 121, 227, 0.34);
}

.button--dark {
    background: linear-gradient(135deg, #111827 0%, #273449 100%);
    box-shadow: 0 16px 30px rgba(17, 24, 39, 0.22);
}

.button--full {
    width: 100%;
}

.stock {
    font-size: 15px;
    color: #5f6c7b;
}

.stock b {
    color: #d62828;
}

.hero__media {
    position: relative;
    background: linear-gradient(180deg, #eef6ff 0%, #d6e9ff 100%);
    border-radius: 28px;
    padding: 24px;
}

.hero__media img {
    width: 100%;
    border-radius: 20px;
}

.hero__discount {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: #ff5b43;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 14px 30px rgba(255, 91, 67, 0.35);
}

.proof {
    margin-top: -18px;
}

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

.proof__item {
    background: #fff;
    border-radius: 24px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
}

.proof__item strong {
    display: block;
    font-size: 28px;
    margin-bottom: 8px;
}

.section {
    padding: 88px 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}

.grid-2--reverse > :first-child {
    order: 2;
}

.grid-2--reverse > :last-child {
    order: 1;
}

.media-card,
.specs__box,
.review,
.card,
.guarantee,
.step,
.order-form,
.ba-card {
    background: #fff;
    border-radius: 26px;
    box-shadow: 0 15px 40px rgba(17, 24, 39, 0.08);
}

.media-card {
    overflow: hidden;
}

.media-card video {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
}

.section-head {
    margin-bottom: 34px;
}

.section-head span {
    display: inline-block;
    margin-bottom: 10px;
    color: #1475d3;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: 13px;
}

.section-head p {
    margin: 12px 0 0;
    color: #637083;
}

.section-head.center {
    text-align: center;
}

.section-head.light span,
.section-head.light h2,
.section-head.light p {
    color: #fff;
}

.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card,
.guarantee,
.review,
.step {
    padding: 28px;
}

.card__icon,
.step span {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: #eaf4ff;
    color: #1475d3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 18px;
}

.card h3,
.guarantee h3,
.review h3,
.step h3 {
    margin: 0 0 12px;
    font-size: 22px;
    line-height: 1.2;
}

.before-after {
    background: linear-gradient(135deg, #101827 0%, #18283e 100%);
}

.before-after__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.ba-card {
    position: relative;
    overflow: hidden;
    background: #fff;
}

.ba-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.ba-card__label {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    padding: 10px 16px;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

.ba-card__label.before {
    background: #ff5b43;
}

.ba-card__label.after {
    background: #1a9e55;
}

.before-after__note {
    margin-top: 18px;
    text-align: center;
    color: rgba(255,255,255,.72);
    font-size: 14px;
}

.media-stack {
    display: grid;
    gap: 18px;
}

.media-stack img,
.specs__box img {
    border-radius: 22px;
}

.specs {
    background: #eef3f8;
}

.specs__box {
    padding: 24px;
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 28px;
    align-items: center;
}

.review__top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.review__top img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
}


.review__photo-wrap {
    margin: 0 0 18px;
    border-radius: 18px;
    overflow: hidden;
    background: #f3f6fa;
}

.review__photo {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}

.stars {
    color: #f5b400;
    letter-spacing: .12em;
}

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

.guarantee {
    text-align: center;
}

.guarantee img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    margin: 0 auto 18px;
}

.order-final {
    padding: 90px 0;
    background: linear-gradient(135deg, #0f65c2 0%, #0b315f 100%);
    color: #fff;
}

.order-final__wrap {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 34px;
    align-items: center;
}

.order-form {
    padding: 28px;
}

.field {
    width: 100%;
    height: 64px;
    padding: 0 20px;
    margin-bottom: 14px;
    border: 1px solid #d8e0ea;
    border-radius: 16px;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    color: #1a2230;
    outline: none;
}

.field:focus {
    border-color: #2081df;
    box-shadow: 0 0 0 4px rgba(32,129,223,.12);
}

.form-note {
    margin-top: 12px;
    color: #69778a;
    font-size: 13px;
    text-align: center;
}

.hero__price--compact {
    margin-top: 22px;
}

.footer {
    padding: 34px 0 40px;
    background: #0f1724;
    color: rgba(255,255,255,.76);
    text-align: center;
}

.footer p {
    margin: 0 0 10px;
}

.footer a {
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.35);
}

@media (max-width: 1024px) {
    .hero__card,
    .grid-2,
    .order-final__wrap,
    .specs__box,
    .cards-3,
    .steps-grid,
    .proof__grid,
    .before-after__grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .order-final__wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .hero,
    .section,
    .order-final {
        padding: 56px 0;
    }

    .hero__card,
    .grid-2,
    .specs__box,
    .cards-3,
    .proof__grid,
    .before-after__grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .hero__card,
    .card,
    .review,
    .guarantee,
    .step,
    .order-form,
    .proof__item {
        border-radius: 22px;
    }

    .hero h1,
    .order-final h2,
    .section-head h2,
    .about h2 {
        font-size: 32px;
    }

    .hero__subtitle,
    .order-final__content p {
        font-size: 16px;
    }

    .hero__actions,
    .hero__price {
        flex-direction: column;
        align-items: stretch;
    }

    .button {
        width: 100%;
    }

    .media-card video {
        min-height: auto;
    }
}