/* --- CSS Стили --- */
:root {
    --primary-color: #34495e; /* Серьезный сине-серый, цвет промышленности */
    --secondary-color: #2c3e50; /* Темный, почти черный */
    --accent-color: #e67e22; /* Оранжевый акцент, цвет энергии */
    --dark-text: #2c3e50;
    --light-text: #ffffff;
    --background-gray: #f8f9fa;
    --font-family: 'Montserrat', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-text);
}

body.locked {
    overflow: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.hide {
    display: none!important;
}

/* --- Header & Navigation --- */
header {
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--secondary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* --- Buttons --- */
.cta-button {
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #d35400; /* Темнее оранжевый */
    transform: translateY(-2px);
}

.large-cta {
    font-size: 1.1rem;
    padding: 15px 30px;
    margin-top: 20px;
    display: inline-block;
}


/* --- Hero Section --- */
#hero {
    height: 100vh;
    background-image: url('https://images.unsplash.com/photo-1619642751222-557297505a46?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--light-text);
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.8); /* Оверлей в цвет --secondary-color */
}

.hero-content {
    position: relative;
    z-index: 2;
}

#hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.25rem;
    max-width: 650px;
    margin: 0 auto 2rem;
}

/* --- General Content Sections --- */
.content-section {
    padding: 80px 0;
    text-align: center;
}

.content-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.content-section .section-subtitle {
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: #555;
}

.gray-bg {
    background-color: var(--background-gray);
}

/* --- Market Section --- */
.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}
.market-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.market-card .figure {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
}
.market-card .description {
    font-size: 1rem;
    margin-top: 10px;
    color: #555;
}

/* --- Strengths Section --- */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: left;
    margin-top: 50px;
}
.strength-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
.strength-card svg {
    flex-shrink: 0;
    color: var(--accent-color);
    margin-top: 5px;
    width: 32px;
    height: 32px;
}
.strength-card h3 {
    color: var(--secondary-color);
    margin-bottom: 5px;
}
.strength-card p {
    font-size: 0.95rem;
    color: #555;
}

/* --- Financials Section --- */
.financials-card {
    background: var(--secondary-color);
    color: var(--light-text);
    padding: 40px;
    border-radius: 10px;
    max-width: 900px;
    margin: 40px auto 0;
}
.financials-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}
.financials-card p {
    font-size: 1.1rem;
    line-height: 1.7;
}
.financials-card strong {
    font-size: 1.2rem;
}

/* --- Investment Terms Section --- */
.terms-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 40px auto 0;
    text-align: left;
}
.terms-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.07);
}
.terms-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.terms-card ul {
    list-style: none;
}
.terms-card li {
    margin-bottom: 15px;
    font-size: 1rem;
}
.terms-card li strong {
    display: block;
    font-size: 1.3rem;
    color: var(--secondary-color);
}
.terms-card .sub-text {
    display: block;
    font-size: 0.9rem;
    color: #777;
    margin-top: 5px;
}
.guarantee-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #555;
    background-color: var(--background-gray);
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid var(--accent-color);
}


/* --- Contact Section --- */
.contact-form .form-content {
    display: flex;
    flex-direction: column;
    max-width: 500px;
    margin: 40px auto;
    gap: 15px;
}
.contact-form input, .contact-form textarea {
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    font-family: var(--font-family);
}
.contact-details {
    margin-top: 40px;
    line-height: 1.8;
    color: #555;
}
.contact-details strong {
    color: var(--dark-text);
}

/* --- Footer --- */
footer {
    background-color: var(--secondary-color);
    color: var(--light-text);
    text-align: center;
    padding: 20px 0;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInAnimation 1s ease-out forwards;
}
#hero .fade-in:nth-child(2) { animation-delay: 0.3s; }
#hero .fade-in:nth-child(3) { animation-delay: 0.6s; }
@keyframes fadeInAnimation {
    to { opacity: 1; transform: translateY(0); }
}
.animated-section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.animated-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Design --- */
@media(max-width: 992px) {
    .terms-container {
        grid-template-columns: 1fr;
    }
}

@media(max-width: 768px) {
    .logo {font-size: 1rem;}
    #hero h1 { font-size: 2.5rem; }
    #hero p { font-size: 1.1rem; }
    .content-section h2 { font-size: 2rem; }
    .nav-links { display: none; }
}