/* -------------------------------------------------------
   PREMIUM FINTECH STYLESHEET — Стиль Точка / Необанк
   Автор: ChatGPT
-------------------------------------------------------- */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Базовые настройки */
body {
    font-family: "Inter", sans-serif;
    background: linear-gradient(145deg, #eef2ff, #e6eeff);
    color: #1c1c1c;
    line-height: 1.6;
}

/* Анимации */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 1s ease forwards; }

/* HERO */
.hero {
    text-align: center;
    padding: 140px 20px 110px;
    background: linear-gradient(
        145deg,
        #dce7ff 0%,
        #e7f2ff 45%,
        #f8e7ff 100%
    );
    border-bottom-left-radius: 40px;
    border-bottom-right-radius: 40px;
}

.hero-content h1 {
    font-size: 54px;
    font-weight: 700;
    color: #0f254d;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 22px;
    max-width: 760px;
    margin: 0 auto;
    color: #334155;
}

.hero-image {
    margin-top: 55px;
    width: 90%;
    max-width: 900px;
    border-radius: 22px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.12);
    animation: fadeUp 1.2s ease forwards;
}

/* Секции */
.section {
    padding: 80px 20px;
    max-width: 1180px;
    margin: 0 auto;
}

.section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    font-weight: 700;
    color: #0f254d;
}

/* GLASS эффект */
.glass {
    background: rgba(255,255,255,0.55);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

/* ADVANTAGES */
.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 35px;
}

.adv {
    text-align: center;
    padding: 35px;
    border-radius: 20px;
    background: linear-gradient(145deg, #ffffff, #f0f4ff);
    box-shadow: 
        6px 6px 15px #d7dcee,
        -6px -6px 15px #ffffff;
    transition: 0.3s;
}

.adv:hover {
    transform: translateY(-6px);
    box-shadow: 
        6px 6px 18px #c5cae0,
        -6px -6px 18px #ffffff;
}

.adv img {
    width: 68px;
    margin-bottom: 15px;
}

/* ABOUT */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    align-items: center;
}

.about-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 35px rgba(0,0,0,0.12);
}

.about-text {
    font-size: 20px;
    color: #2c3848;
}

/* CALCULATOR */
.calc-container {
    max-width: 600px;
    margin: 0 auto;
}

.calc-container label {
    font-size: 18px;
    color: #263246;
}

.calc-container input[type=range] {
    width: 100%;
    margin: 12px 0 22px;
    cursor: pointer;
}

.calc-value {
    font-size: 17px;
    margin-bottom: 20px;
}

.calc-result {
    font-size: 24px;
    font-weight: 600;
    color: #0f254d;
    margin-top: 18px;
}

/* REVIEWS */
.reviews {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.review {
    padding: 30px;
    border-radius: 20px;
    font-size: 18px;
    line-height: 1.5;
}

/* FAQ */
.faq {
    max-width: 850px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 18px;
    border-radius: 16px;
    padding: 18px 25px;
    cursor: pointer;
    transition: 0.3s;
}

.faq-item:hover {
    background: rgba(255,255,255,0.7);
}

.faq-question {
    font-size: 18px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    padding-left: 5px;
    font-size: 16px;
    color: #2f3c4f;
}

.faq-item.open .faq-answer {
    max-height: 200px;
    margin-top: 10px;
}

/* REQUISITES */
.req {
    max-width: 700px;
    margin: 0 auto;
    font-size: 20px;
}

/* FOOTER */
footer {
    background: #dbe4ff;
    text-align: center;
    padding: 40px 20px;
    margin-top: 80px;
    border-radius: 40px 40px 0 0;
    font-size: 17px;
}

footer a {
    color: #0f254d;
    text-decoration: none;
}

footer img {
    width: 26px;
    vertical-align: middle;
}

/* SUPPORT FORM */
.support-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.support-input,
.support-textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: none;
    font-size: 16px;
    background: #f5f7ff;
    box-shadow:
        inset 4px 4px 10px #d2d6e3,
        inset -4px -4px 10px #ffffff;
}

.support-textarea {
    height: 120px;
    resize: none;
}

.support-btn {
    padding: 14px;
    font-size: 18px;
    background: linear-gradient(145deg, #00c2cb, #24e8f0);
    border: none;
    border-radius: 18px;
    cursor: pointer;
    color: #ffffff;
    font-weight: 600;
    transition: 0.3s;
}

.support-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,200,200,0.35);
}

/* POPUP */
.popup {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.popup-content {
    text-align: center;
    padding: 40px 30px;
    max-width: 420px;
}