/* 
-------------------------
LANDING PAGE STYLES
-------------------------
*/

/* Общие переменные */
:root {
    --primary-color: #2C2F33;
    --accent-color: #6cb0ff;
    --accent-hover: #5a9de8;
    --text-primary: #222;
    --text-secondary: #555;
    --text-muted: #777;
    --bg-light: #fafafa;
    --bg-white: #ffffff;
    --bg-gray: #f5f5f5;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --border-radius: 8px;
    --spacing-unit: 8px;
}

/* 
-------------------------
ОБЩАЯ СТРУКТУРА СЕКЦИЙ
-------------------------
*/
.head,
.questions,
.problems,
.solution,
.vizualization,
.offer {
    max-width: 900px;
    margin: 0 auto 80px;
    padding: 0 20px;
}

/* 
-------------------------
ТИПОГРАФИКА
-------------------------
*/
h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
    margin-top: 0;
    letter-spacing: -0.01em;
}

p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

ul {
    margin: 24px 0;
    padding-left: 24px;
    list-style: none;
}

li {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
    position: relative;
    padding-left: 28px;
}

li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.5rem;
}

/* 
-------------------------
HERO СЕКЦИЯ (HEAD)
-------------------------
*/
.head {
    text-align: center;
    padding-top: 60px;
    padding-bottom: 40px;
    margin-bottom: 100px;
}

.head h1 {
    margin-bottom: 24px;
}

.head p {
    font-size: 1.4rem;
    color: var(--text-muted);
    margin: 0;
}

/* 
-------------------------
СЕКЦИЯ ВОПРОСОВ
-------------------------
*/
.questions {
    background: var(--bg-gray);
    padding: 40px 48px;
    border-radius: var(--border-radius);
}

.questions p {
    margin-bottom: 20px;
}

.questions p:last-child {
    margin-top: 40px;
    font-size: 1.3rem;
}

/* 
-------------------------
СЕКЦИЯ ПРОБЛЕМ
-------------------------
*/
.problems > p:first-child {
    font-size: 1.3rem;
    margin-bottom: 28px;
    font-weight: 500;
}

.problems p strong {
    display: block;
    font-size: 1.35rem;
    margin: 40px 0 24px;
}

/* 
-------------------------
СЕКЦИЯ РЕШЕНИЯ
-------------------------
*/
.solution h2 {
    text-align: center;
    margin-bottom: 40px;
}

.solution > p strong {
    display: block;
    font-size: 1.35rem;
    margin-top: 48px;
    margin-bottom: 16px;
}

.solution > strong:last-of-type {
    display: block;
    font-size: 1.3rem;
    margin-top: 48px;
}

/* 
-------------------------
СЕКЦИЯ ВИЗУАЛИЗАЦИИ
-------------------------
*/
.vizualization {
    /* Убираем ограничение ширины и padding для этой секции */
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 80px 0;
}

.vizualization h2 {
    max-width: 900px;
    margin: 0 auto 40px;
    padding: 0 20px;
    text-align: center;
}

.vizualization img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    box-shadow: var(--shadow-md);
}

/* 
-------------------------
СЕКЦИЯ ОФФЕРА
-------------------------
*/
.offer h2 {
    margin-bottom: 40px;
}

.offer p {
    font-size: 1.25rem;
}

.offer p strong {
    display: block;
    font-size: 1.4rem;
    margin: 32px 0 16px;
}

/* 
-------------------------
CTA КНОПКА
-------------------------
*/
.cta-button {
    max-width: 500px;
    margin: 60px auto 80px;
    text-align: center;
}

.cta-button a {
    display: inline-block;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--bg-white);
    background: var(--accent-color);
    padding: 20px 52px;
    border-radius: 8px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(108, 176, 255, 0.3);
    transition: all 0.3s ease;
}

.cta-button a:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 176, 255, 0.4);
}

.cta-button a:active {
    transform: translateY(0);
}

/* 
-------------------------
АДАПТИВНОСТЬ
-------------------------
*/
@media (max-width: 768px) {
    .head,
    .questions,
    .problems,
    .solution,
    .offer {
        padding-left: 16px;
        padding-right: 16px;
        margin-bottom: 60px;
    }

    .questions {
        padding: 32px 24px;
    }

    .head {
        padding-top: 40px;
        padding-bottom: 24px;
        margin-bottom: 80px;
    }

    .vizualization {
        margin: 60px 0;
    }

    .vizualization h2 {
        padding: 0 16px;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.9rem;
    }

    p, li {
        font-size: 1.15rem;
    }

    .head p {
        font-size: 1.25rem;
    }

    .cta-button a {
        font-size: 1.2rem;
        padding: 18px 44px;
    }
}

@media (max-width: 480px) {
    .questions {
        padding: 24px 20px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    p, li {
        font-size: 1.05rem;
    }

    .head p {
        font-size: 1.15rem;
    }
}