/* styles.css - Авиастроение стиль: строгий, технический, сине-серебристый, контрастный */
/* Максимальная ширина: 1090px, центрирование */
/* Без Google Fonts, без внешних ресурсов */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a192f; /* Тёмно-синий, как ночное небо над аэродромом */
    color: #e6f1ff;
    line-height: 1.6;
    max-width: 1090px;
    margin: 0 auto;
    padding: 0 15px;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(120, 150, 200, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(100, 180, 255, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
}

/* === БЛОКИ === */
.block {
    margin: 40px 0;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.block:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

/* Контрастное чередование блоков */
#teklif { background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%); border-left: 6px solid #60a5fa; }
#yorumlar { background: #172554; border-left: 6px solid #93c5fd; }
#abonelik-formu { background: #1e293b; border-left: 6px solid #a5b4fc; }
#uzmanlar { background: #0f172a; border-left: 6px solid #c4b5fd; }
#egitim-medya { background: #1e1b4b; border-left: 6px solid #d8b4fe; }
#urunler { background: #0f172a; border-left: 6px solid #fde68a; }
#iletisim { background: #0c0a09; border-left: 6px solid #fdba74; }
footer { background: #111827; border-left: 6px solid #6b7280; }

/* === БЛОК 1: ОФФЕР === */
#teklif {
    min-height: 470px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 60px 40px;
    background:
        linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%2360a5fa20" d="M0 50 Q25 30, 50 50 T100 50 L100 100 L0 100 Z"/></svg>') repeat-x bottom;
    background-size: auto, 80px 40px;
}

#teklif h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: #dbeafe;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
    letter-spacing: -0.5px;
}

#teklif p {
    font-size: 1.2rem;
    margin-bottom: 18px;
    color: #bfdbfe;
}

#teklif strong { color: #93c5fd; }
#teklif em { color: #60a5fa; font-style: italic; }

/* Кнопка-ссылка в оффере */
.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 16px 36px;
    background: #f59e0b;
    color: #1e293b;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    box-shadow: 0 6px 15px rgba(245, 158, 11, 0.4);
    transition: all 0.3s ease;
    align-self: center;
}

.btn:hover {
    background: #f97316;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.5);
}

/* === ФОРМА АБОНЕМЕНТА === */
#abonelik-formu h2 {
    color: #c4b5fd;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

#abonelik-formu p {
    color: #e0e7ff;
    margin-bottom: 25px;
}

form {
    display: flex;
    gap: 12px;
    max-width: 520px;
    margin: 0 auto;
}

form input[type="email"] {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: 50px;
    background: #334155;
    color: #e2e8f0;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

form input[type="email"]:focus {
    background: #475569;
    box-shadow: 0 0 0 3px rgba(165, 180, 252, 0.4);
}

form input[type="email"]::placeholder {
    color: #94a3b8;
}

form button {
    padding: 16px 32px;
    background: #8b5cf6;
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

form button:hover {
    background: #7c3aed;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(124, 58, 237, 0.4);
}

/* === СТАТЬЯ === */
#urunler article {
    margin-top: 45px;
    padding: 35px;
    background: rgba(30, 41, 59, 0.7);
    border-radius: 12px;
    border: 1px solid #475569;
    backdrop-filter: blur(5px);
}

#urunler article h2 {
    color: #fde68a;
    margin-bottom: 20px;
    font-size: 1.9rem;
    text-align: center;
    position: relative;
}

#urunler article h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #f59e0b;
    margin: 12px auto 0;
    border-radius: 2px;
}

#urunler article p {
    margin-bottom: 18px;
    color: #cbd5e1;
    text-align: justify;
}

#urunler article p strong {
    color: #fde68a;
}

/* === СПИСКИ === */
.urun-list, .uzman-list {
    list-style: none;
}

.urun-list li, .uzman-list li {
    background: rgba(255, 255, 255, 0.08);
    margin: 12px 0;
    padding: 16px 20px;
    border-radius: 8px;
    border-left: 4px solid #60a5fa;
    color: #e0e7ff;
    transition: all 0.2s ease;
}

.urun-list li:hover, .uzman-list li:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.urun-list li strong {
    color: #93c5fd;
}

/* === КОММЕНТАРИИ === */
.yorum {
    background: rgba(255, 255, 255, 0.07);
    padding: 18px;
    border-radius: 10px;
    margin-bottom: 18px;
    border-left: 4px solid #a5b4fc;
}

.yorum p {
    color: #e0e7ff;
    font-style: italic;
}

.yorum strong {
    color: #c4b5fd;
    display: block;
    margin-bottom: 6px;
    font-style: normal;
}

/* === КАРТА === */
iframe {
    border-radius: 12px;
    border: 2px solid #475569;
    margin-top: 20px;
    display: block;
}

/* === ФУТЕР === */
footer p {
    text-align: center;
    color: #9ca3af;
    font-size: 0.9rem;
}

/* === ЗАГОЛОВКИ === */
h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #bfdbfe;
    position: relative;
    padding-bottom: 10px;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: #60a5fa;
    border-radius: 2px;
}

/* === МОБИЛЬНАЯ ВЕРСИЯ === */
@media (max-width: 768px) {
    body {
        padding: 0 10px;
    }

    .block {
        padding: 25px 20px;
        margin: 25px 0;
    }

    #teklif {
        min-height: 420px;
        padding: 40px 20px;
    }

    #teklif h1 {
        font-size: 2.2rem;
    }

    #teklif p {
        font-size: 1.1rem;
    }

    .btn {
        padding: 14px 28px;
        font-size: 1.1rem;
    }

    form {
        flex-direction: column;
    }

    form input[type="email"],
    form button {
        width: 100%;
        padding: 16px;
    }

    form button {
        margin-top: 10px;
    }

    h2 {
        font-size: 1.7rem;
    }

    #urunler article {
        padding: 25px 20px;
    }

    .yorum {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    #teklif h1 {
        font-size: 1.9rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}