:root {
    --bg-color: #0b0c0e;
    --card-bg: rgba(255, 255, 255, 0.03);
    --primary-blue: #0e39f0;
    --primary-pink: #fd017c;
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
    --input-bg: #16171b;
    --border-color: rgba(255, 255, 255, 0.08);
}

/* Общие стили */
* { box-sizing: border-box; margin: 0; padding: 0; }


body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(1200px 760px at -10% 50%, rgba(30, 80, 255, 0.24), transparent 58%),
        radial-gradient(1200px 760px at 110% 50%, rgba(255, 45, 146, 0.2), transparent 58%),
        linear-gradient(180deg, #05060a 0%, #090b12 55%, #0b0d14 100%);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Эффект свечения */
/* Эффект свечения — Deep Cinematic Glow */
.glow-wrapper {
    display: none;
}

.glow {
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    filter: none;
    opacity: 0.08;
    mix-blend-mode: normal;
    animation: none;
}

.glow-left {
    background: radial-gradient(circle at center, var(--primary-blue) 0%, transparent 70%);
    top: -10%;
    left: -15%;
    animation-delay: 0s;
}

.glow-right {
    background: radial-gradient(circle at center, var(--primary-pink) 0%, transparent 70%);
    bottom: -10%;
    right: -15%;
    animation-delay: -5s;
}

/* Добавим центральное мягкое свечение для объема */
.glow-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle at center, rgba(14, 57, 240, 0.05) 0%, transparent 60%);
    filter: none;
    opacity: 0.2;
    z-index: -2;
}

@keyframes glow-movement {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 0.12;
    }
    33% {
        transform: translate(5%, 10%) scale(1.1) rotate(10deg);
        opacity: 0.18;
    }
    66% {
        transform: translate(-5%, 5%) scale(0.9) rotate(-10deg);
        opacity: 0.14;
    }
    100% {
        transform: translate(2%, -10%) scale(1.05) rotate(5deg);
        opacity: 0.2;
    }
}


/* Контейнер */
.container {
    max-width: 1200px; width: 90%; margin: 0 auto;
    padding: 80px 0;
}

/* --- Секция Херо (из прошлого макета) --- */
#hero-section {
    display: flex; gap: 80px; align-items: center; min-height: 90vh;
}

.hero { flex: 1.2; }
.hero h1 { font-size: 28px; color: var(--text-gray); font-weight: 300; margin-bottom: 10px; }

/* Исправили заголовок, чтобы он не прыгал */
.brand-title { 
    font-size: clamp(36px, 5vw, 64px); line-height: 1.1; margin-bottom: 40px; font-weight: 600; 
    min-height: 2.2em; /* Предотвращает прыжки верстки */
}

.gradient-text {
    background: linear-gradient(90deg, #fff, #0e39f0, #fd017c, #fff);
    background-size: 200% auto; -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
@keyframes gradientMove { to { background-position: 200% center; } }
.cursor { color: var(--primary-pink); animation: blink 0.8s infinite; }
@keyframes blink { 50% { opacity: 0; } }

.btn-telegram {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    color: #fff;
    padding: 18px 40px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: all 0.3s ease;
}
.btn-telegram:hover { 
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);; 
}

/* Форма (Glassmorphism) */
.auth-section { flex: 0.8; max-width: 400px; }

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: none;
    border: 1px solid var(--border-color); padding: 40px; border-radius: 24px;
}
.glass-card h3 { font-size: 22px; margin-bottom: 8px; }
.subtitle { font-size: 14px; color: var(--text-gray); margin-bottom: 30px; }

/* Стили полей ввода */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 11px; text-transform: uppercase; color: var(--text-gray); margin-bottom: 8px; }
input {
    width: 100%; background: var(--input-bg); border: 1px solid transparent;
    padding: 14px; color: white; border-radius: 12px; font-size: 15px; transition: 0.3s;
}
input:focus { border-color: var(--primary-blue); outline: none; background: #1c1d22; }

.btn-submit {
    width: 100%; background: #fff; color: #000; border: none;
    padding: 16px; border-radius: 12px; font-weight: 600; font-size: 16px; cursor: pointer;
    transition: opacity 0.3s;
}
.btn-submit:hover { opacity: 0.9; }

/* --- НОВАЯ СЕКЦИЯ КОММЕРЧЕСКОГО ПРЕДЛОЖЕНИЯ --- */
#offer-section { padding: 120px 0; }
#offer-section h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 300; text-align: center; margin-bottom: 80px; }
#offer-section h2 span { font-weight: 600; color: #fff; }

.offer-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px;
}

/* Карточка предложения - полностью копирует glass-card */
.offer-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: none;
    border: 1px solid var(--border-color); padding: 40px; border-radius: 24px;
    transition: transform 0.25s ease, border-color 0.25s ease;
    display: flex; flex-direction: column;
}
.offer-card:hover { border-color: rgba(255, 255, 255, 0.15); transform: translateY(-5px); }

.offer-card h4 { font-size: 18px; font-weight: 600; margin-bottom: 12px; color: #fff; }
.offer-price { font-size: 32px; font-weight: 300; margin-bottom: 30px; display: flex; align-items: baseline; gap: 8px; }
.offer-price .price-large { font-weight: 600; }
.offer-price .price-sub { font-size: 16px; color: var(--text-gray); }

.offer-features { list-style: none; color: var(--text-gray); font-size: 15px; margin-top: auto; }
.offer-features li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 15px; }
.offer-features i { color: var(--primary-blue); margin-top: 4px; font-size: 14px; }
.offer-features .feature-highlight { color: #fff; font-weight: 400; }

.offer-features span.rub { font-weight: 300; font-family: sans-serif; }

/* Адаптивность */
@media (max-width: 900px) {
    #hero-section { flex-direction: column; text-align: center; }
    .auth-section { width: 100%; max-width: 500px; }
    .offer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .glow {
        width: 85vw;
        height: 85vw;
        filter: none;
    }

    .glow-center {
        filter: none;
    }

    .glass-card,
    .offer-card {
        backdrop-filter: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .glow,
    .gradient-text,
    .cursor {
        animation: none !important;
    }
}