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

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f2f0ff;
    color: #222222;
}

/* Общий контейнер страницы */
.page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 24px 0;
}

.sections-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 0 12px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* планшеты */
@media (min-width: 600px) {
    .sections-wrapper {
        max-width: 600px;
        padding: 0 16px;
    }
}

/* ноуты */
@media (min-width: 900px) {
    .sections-wrapper {
        max-width: 720px;
        padding: 0 20px;
    }
}

/* большие экраны */
@media (min-width: 1200px) {
    .sections-wrapper {
        max-width: 860px;
    }
}


/* Базовая карточка-секция */
.card {
    border-radius: 28px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* Внутренние отступы в секциях */
.card-inner {
    padding: 26px 22px 28px;
}

/* Выравнивание контента по центру */
.card-inner--center {
    text-align: center;
}

/* ===== ГРАДИЕНТЫ СЕКЦИЙ ===== */

.card-hero {
    background: linear-gradient(180deg, #fff3e8 0%, #f1e9ff 100%);
}

.card-phone {
    background: linear-gradient(180deg, #ffece7 0%, #f7f0ff 100%);
}

.card-features {
    background: linear-gradient(180deg, #fdf3ff 0%, #f1f8ff 100%);
}

.card-cta {
    background: linear-gradient(180deg, #fff3e8 0%, #f1e9ff 100%);
}

/* ===== ТЕКСТ ===== */

.hero-title {
    font-size: 22px;
    line-height: 1.25;
    font-weight: 700;
    margin: 0 0 14px;
}

.hero-subtitle {
    font-size: 15px;
    line-height: 1.4;
    margin: 0 0 14px;
}

.hero-small {
    font-size: 15px;
    line-height: 1.5;
    color: #666666;
    margin: 0 0 22px;
}

.section-title {
    font-size: 20px;
    line-height: 1.25;
    font-weight: 700;
    margin: 0 0 14px;
}

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

.section-text {
    font-size: 15px;
    line-height: 1.45;
    color: #333333;
    margin: 0 0 10px;
}

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

.section-small {
    font-size: 15px;
    line-height: 1.5;
    color: #666666;
    margin: 0;
}

/* ===== КНОПКИ ===== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 26px;
    border-radius: 999px;
    border: none;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(90deg, #4c6fff 0%, #6f8dff 100%);
    box-shadow: 0 8px 18px rgba(78, 104, 255, 0.45);
    cursor: pointer;
    transition: transform 0.08s ease-out, box-shadow 0.08s ease-out, filter 0.08s ease-out;
}

.btn-primary:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(78, 104, 255, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 6px 12px rgba(78, 104, 255, 0.4);
}

.btn-ghost {
    margin-top: 14px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    font-size: 9px;
    line-height: 1.4;
    color: #666666;
    background: #ffffffc0;
    cursor: pointer;
}

/* ===== БЛОК С ТЕЛЕФОНОМ ===== */

.card-inner--phone {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.card-phone-text {
    text-align: left;
}

.card-phone-image {
    display: flex;
    justify-content: center;
}

.phone-frame {
    width: 180px;
    border-radius: 32px;
    padding: 8px;

    background: radial-gradient(
            circle at top,
            #2a2a2a 0%,
            #0f0f0f 55%,
            #000000 100%
    );

    box-shadow:
            0 20px 45px rgba(0, 0, 0, 0.65),
            inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}


.phone-frame img {
    width: 100%;
    display: block;
    border-radius: 26px;
}

/* ===== ФИЧИ ===== */

.features-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.feature {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 10px 10px 12px;
    text-align: left;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.04);
}

.feature-icon {
    font-size: 25px;
    margin-bottom: 4px;
}

.feature-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-text {
    font-size: 12px;
    line-height: 1.45;
    color: #555555;
    margin: 0;
}

/* ===== АДАПТИВ ДЛЯ ШИРОКИХ ЭКРАНОВ ===== */

@media (min-width: 768px) {
    .page {
        padding: 40px 0;
    }

    .sections-wrapper {
        max-width: 720px;
    }

    .card-inner--phone {
        flex-direction: row;
        align-items: center;
    }

    .card-phone-text {
        flex: 1;
    }

    .card-phone-image {
        flex: 1;
    }
}

.seo-text {
    margin-top: 18px;
    padding: 0 4px 6px;
    font-size: 12px;
    line-height: 1.55;
    color: rgba(0,0,0,0.55);
}

.seo-text h2 {
    font-size: 14px;
    margin: 0 0 6px;
    font-weight: 600;
    color: rgba(0,0,0,0.75);
}