:root {
    --otz-bg: #ffffff;
    --otz-surface: #f5f5f5;
    --otz-surface-soft: #fff8f3;
    --otz-text: #111111;
    --otz-text-soft: #5a5a5a;
    --otz-line: #e9e9e9;
    --otz-accent: #ff802b;
    --otz-accent-strong: #f54903;
    --otz-accent-soft: #fff1e8;
    --otz-brand: #0b026a;
    --otz-shadow: 0 24px 60px rgba(9, 4, 48, 0.14);
    --otz-radius-lg: 30px;
    --otz-radius-md: 22px;
    --otz-radius-sm: 16px;
    --otz-container: 1200px;
    --otz-section-y: 110px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--otz-bg);
    color: var(--otz-text);
    font-family: "Montserrat", Arial, sans-serif;
    line-height: 1.55;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

.container {
    width: min(calc(100% - 32px), var(--otz-container));
    margin: 0 auto;
}

.section {
    padding: var(--otz-section-y) 0;
}

.section--muted {
    background: var(--otz-surface);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    color: var(--otz-accent);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 42px;
    height: 2px;
    background: currentColor;
}

.section-title {
    margin: 0 0 20px;
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.section-title strong {
    color: var(--otz-accent);
}

.section-text {
    margin: 0;
    max-width: 920px;
    color: var(--otz-text-soft);
    font-size: 20px;
}

.card {
    background: #fff;
    border: 1px solid var(--otz-line);
    border-radius: var(--otz-radius-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    font-weight: 700;
    text-align: center;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn--accent {
    background: var(--otz-accent-strong);
    color: #fff;
}

.btn--ghost {
    border: 1px solid var(--otz-accent-strong);
    background: transparent;
    color: #f54903;
}

.breadcrumbs {
    padding-top: 24px;
    color: var(--otz-text-soft);
    font-size: 14px;
}

.breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.breadcrumbs__item:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    opacity: 0.5;
}

.hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.9) 18%, rgba(255, 255, 255, 0.7) 34%, rgba(255, 255, 255, 0.28) 54%, rgba(255, 255, 255, 0.04) 76%, rgba(255, 255, 255, 0) 100%),
        url("/assets/hero_notification_system_white_orange.webp") center center / cover no-repeat;
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    min-height: calc(100vh - 88px);
    padding: 54px 0 34px;
}

.hero__content {
    max-width: 640px;
}

.hero__descriptor {
    margin-bottom: 18px;
    color: var(--otz-accent);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero__title {
    margin: 0;
    max-width: 720px;
    color: var(--otz-brand);
    font-size: clamp(38px, 4.2vw, 60px);
    line-height: 1.04;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero__utp {
    margin: 22px 0 0;
    max-width: 620px;
    color: #2e3446;
    font-size: clamp(18px, 1.45vw, 21px);
    line-height: 1.58;
}

.hero__usp-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 28px;
    max-width: 720px;
}

.hero__usp-card {
    min-height: 150px;
    padding: 18px 18px 16px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
    box-shadow: 0 18px 38px rgba(11, 2, 106, 0.08);
    backdrop-filter: blur(12px);
}

.hero__usp-value {
    color: #f54903;
    font-size: 32px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero__usp-label {
    margin-top: 10px;
    color: #202532;
    font-size: 15px;
    line-height: 1.42;
    font-weight: 500;
}

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


.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.faq {
    display: grid;
    gap: 16px;
}

.faq__item {
    overflow: hidden;
}

.faq__question {
    width: 100%;
    padding: 22px 24px;
    border: 0;
    background: #fff;
    color: var(--otz-brand);
    text-align: left;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: color 0.22s ease, background-color 0.22s ease, box-shadow 0.22s ease;
}

.faq__question:hover,
.faq__question:focus-visible {
    color: var(--otz-accent);
    background: rgba(245, 73, 3, 0.05);
    box-shadow: inset 0 0 0 1px rgba(245, 73, 3, 0.14);
    outline: none;
}

.faq__answer {
    display: none;
    padding: 0 24px 24px;
    color: var(--otz-text-soft);
}

.faq__item.is-open .faq__answer {
    display: block;
}

.seo-text {
    color: var(--otz-text-soft);
}

.seo-text h2,
.seo-text h3 {
    color: var(--otz-text);
}

.related-links {
    display: grid;
    gap: 14px;
}

.related-links__item {
    padding: 18px 20px;
}

@media (max-width: 959px) {
    :root {
        --otz-section-y: 88px;
    }

    .hero__inner,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .hero__inner {
        min-height: auto;
        padding: 42px 0 22px;
    }

    .hero__content {
        max-width: 560px;
    }

    .hero__usp-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 560px;
    }

    .section-text {
        font-size: 17px;
    }
}

@media (max-width: 639px) {
    .container {
        width: min(calc(100% - 20px), var(--otz-container));
    }

    .hero {
        background-position: 68% center;
    }

    .hero__inner {
        padding: 34px 0 20px;
    }

    .hero__descriptor {
        margin-bottom: 14px;
        font-size: 12px;
    }

    .hero__title {
        font-size: 34px;
    }

    .hero__utp {
        font-size: 16px;
    }

    .hero__usp-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 22px;
    }

    .hero__usp-card {
        min-height: 0;
        padding: 16px;
    }

    .hero__usp-value {
        font-size: 28px;
    }

    .hero__usp-label {
        font-size: 14px;
    }

    .card,
    .faq__question,
    .faq__answer {
        border-radius: var(--otz-radius-sm);
    }
}