:root {
    --dark-bg: #0A0A0A;
    --dark-bg-secondary: #111111;
    --accent-green: #00E2AC;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #222222;
}
.iti{width:100%;display:inline-block;position:relative;}.iti--allow-dropdown .iti__flag-container,.iti--separate-dial-code .iti__flag-container{cursor:pointer;}.iti__flag-container{position:absolute;top:0;bottom:0;left:0;padding:1px;}.iti__selected-flag{z-index:1;position:relative;display:flex;align-items:center;height:100%;padding:0 6px 0 8px;}.iti__arrow{margin-left:6px;width:0;height:0;border-left:3px solid transparent;border-right:3px solid transparent;border-top:4px solid #555;}.iti__arrow--up{border-top:none;border-bottom:4px solid #555;}.iti__country-list{position:absolute;z-index:2;list-style:none;text-align:left;padding:0;margin:0 0 0 -1px;box-shadow:1px 1px 4px rgba(0,0,0,.2);background-color:#fff;border:1px solid #ccc;white-space:nowrap;max-height:200px;overflow-y:scroll;-webkit-overflow-scrolling:touch;}.iti__country-list--dropup{bottom:100%;margin-bottom:-1px;}.iti__item{padding:5px 10px;outline:0;}.iti__item--highlight{background-color:rgba(0,0,0,.05);}.iti__divider{padding-bottom:5px;margin-bottom:5px;border-bottom:1px solid #ccc;}.iti--allow-dropdown input,.iti--allow-dropdown input[type=text],.iti--allow-dropdown input[type=tel]{padding-right:6px;padding-left:52px;margin-left:0;}.iti--separate-dial-code input,.iti--separate-dial-code input[type=text],.iti--separate-dial-code input[type=tel]{padding-left:86px;}.iti__country-search{z-index:2;position:sticky;top:0;background-color:#fff;width:100%;padding:5px 10px;box-sizing:border-box;}.iti__flag{width:20px;}.iti__flag.iti__be{width:18px;}.iti__flag.iti__ch{width:15px;}.iti__flag.iti__mc{width:19px;}.iti__flag.iti__ne{width:18px;}.iti__flag.iti__np{width:13px;}.iti__flag.iti__va{width:15px;}.iti__flag-box{display:inline-block;width:20px;}.iti__dial-code{color:#6b6b6b;}.iti__country{margin-left:5px;}.iti__hide{display:none!important;}
#phone {
    padding-left: 60px !important;
}
.iti__country {
    color: black;
}
.iti__selected-flag {
    padding: 0 8px 0 18px;
}
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: var(--text-secondary);
    line-height: 1.7;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 25px;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 30px;
    font-weight: 700;
}

h2 {
    font-size: 3em;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 20px;
}
h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--accent-green);
    border-radius: 2px;
}

section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.btn {
    background-color: var(--accent-green);
    color: var(--dark-bg);
    padding: 18px 45px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 18px;
    font-weight: 700;
    margin: 30px auto;
    cursor: pointer;
    border-radius: 8px;
    border: none;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 226, 172, 0.4);
}

.btn:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 0 35px rgba(0, 226, 172, 0.6);
}

.pulse-animation {
    animation: pulse 2.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.98);
        box-shadow: 0 0 0 0 rgba(0, 226, 172, 0.7);
    }
    70% {
        transform: scale(1.01);
        box-shadow: 0 0 0 20px rgba(0, 226, 172, 0);
    }
    100% {
        transform: scale(0.98);
        box-shadow: 0 0 0 0 rgba(0, 226, 172, 0);
    }
}

.text-center {
    text-align: center;
}

.hero {
    position: relative;
    display: flex;
    align-items: center;
    color: var(--text-primary);
    overflow: hidden;
    background-color: var(--dark-bg);
    min-height: 100vh;
    padding: 40px 0;
    box-sizing: border-box;
}

.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    opacity: 0.3;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(10,10,10,0.5) 0%, rgba(10,10,10,0.9) 100%);
    z-index: 1;
}

.hero-layout {
    position: relative;
    width: 100%;
    display: grid;
    grid-template-rows: auto auto auto;
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    justify-items: center;
    gap: 20px;
    max-width: 1440px;
    z-index: 2;
    padding: 40px 40px 40px 40px;
    box-sizing: border-box;
    margin: 0 auto;
    box-shadow: 0 0 50px rgba(0, 226, 172, 0.1);
    border-radius: 15px;
}

.hero-layout::after {
    content: '';
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    /*background-color: rgb(17 17 17 / 70%);*/
    bottom: 0px;
    border: 2px solid rgba(0, 226, 172, 0.2);
    border-radius: 15px;
    pointer-events: none;
    z-index: 0;
    backdrop-filter: blur(3px);
}


.hero-top-text {
    grid-row: 1;
    grid-column: 1 / 4;
    font-size: 4em;
    font-weight: 800;
    line-height: 1.2;
    text-transform: uppercase;
    text-align: center;
    padding-bottom: 20px;
    z-index: 3;
}

.hero-top-text strong {
    font-size: 4rem;
    color: var(--accent-green);
    text-shadow: 0 0 8px var(--accent-green);
}

.hero-left-text, .hero-right-text {
    grid-row: 2;
    font-size: 3em;
    line-height: 1.1;
    font-weight: 500;
    text-transform: uppercase;
}
.hero-left-text { grid-column: 1; text-align: right;z-index: 3; }
.hero-right-text { grid-column: 3; text-align: left;z-index: 3; }

.hero-right-text strong {
    color: var(--accent-green);
    text-shadow: 0 0 8px var(--accent-green);
}

.cource-title strong {
    color: var(--accent-green);
    text-shadow: 0 0 8px var(--accent-green);
}

.hero-center-photo {
    grid-row: 2;
    grid-column: 2;
    position: relative;
    max-width: 450px;
    align-self: center;
    z-index: 3;
}

.hero-center-photo img {
    display: block;
    width: 100%;
    height: auto;
}

.hero-middle-text-on-photo {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3em;
    text-transform: uppercase;
    font-weight: 800;
    text-align: center;
    background-color: rgba(0,0,0,0.6);
    padding: 25px 15px 35px 15px;
    border-radius: 8px;
    white-space: nowrap;
    z-index: 3;
    border: 1px solid rgba(0, 226, 172, 0.2);
    box-shadow: 0 0 50px rgba(0, 226, 172, 0.1);
}

.btn-course-block {
    width: 300px;
}

.hero-button-area {
    grid-row: 3;
    grid-column: 1 / 4;
    margin-top: -80px;
    z-index: 5;
}

#three-js-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* --- Остальные блоки --- */

#features, .results-block, #author, #reviews, .form-block {
    /*background-color: rgba(17, 17, 17, 0.9);*/
    backdrop-filter: blur(3px);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.market-features {
    display: flex;
    justify-content: center;
    gap: 30px;
}
.author-bio ul li {
    font-size: 1.2rem;
}
.feature-card {
    background: #1A1A1A;
    padding: 40px;
    flex-basis: 300px;
    flex-grow: 1;
    text-align: center;
    border-radius: 15px;
    border: 1px solid var(--accent-green);
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-green);
}

.feature-card h4 {
    font-size: 1.8em;
    margin-top: 0;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.results-content {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.results-list, .results-image {
    flex: 1;
    min-width: 350px;
}

.results-list ul {
    list-style: none;
    padding: 0;
}

.results-list li {
    font-size: 1.3em;
    margin-bottom: 20px;
    padding-left: 40px;
    position: relative;
    color: var(--text-primary);
}

.results-list li::before {
    content: '✓';
    color: var(--accent-green);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.4em;
    line-height: 1;
}

.results-image img {
    width: 100%;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.author-content {
    display: flex;
    align-items: center;
    gap: 60px;
    background: var(--dark-bg);
    padding: 50px;
    border-radius: 15px;
    border: 1px solid var(--accent-green);
    box-shadow: rgba(0, 226, 172, 0.1) 0px 0px 50px;
}

.author-photo img {
    width: 100%;
    max-width: 800px;
    display: block;
    margin: auto;
    border-radius: 10px;
}

.author-bio strong {
    color: var(--accent-green);
    font-weight: 700;
    text-shadow: 0 0 8px var(--accent-green);
}

.testimonial-card {
    background: var(--dark-bg-secondary);
    padding: 35px;
    border-radius: 15px;
    flex-basis: 300px;
    flex-grow: 1;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.testimonial-card.is-active,
.testimonial-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-green);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.testimonial-header {
    display: flex;
}

.testimonials {
    display: flex;
    gap: 20px;
}

.testimonial-header img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    margin-right: 20px;
    object-fit: cover;
    border: 2px solid var(--accent-green);
}

.form-block {
    color: var(--text-primary);
    padding: 100px 0;
    text-align: center;
}

.form-block h2 {
    color: var(--text-primary);
}

#lead-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: var(--dark-bg);
    padding: 40px;
    box-shadow: rgba(0, 226, 172, 0.1) 0px 0px 50px;
    border-radius: 15px;
    border: 1px solid var(--accent-green);
}

#lead-form input, #lead-form select {
    width: 100%;
    padding: 18px;
    border-radius: 8px;
    border: 1px solid #333;
    font-size: 17px;
    box-sizing: border-box;
    background-color: var(--dark-bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

#lead-form input::placeholder {
    color: #888;
}

#lead-form input:focus, #lead-form select:focus {
    border-color: var(--accent-green);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 226, 172, 0.3);
}

.mobile {
    display: block;
}

.name {
    font-size: 3rem;
    text-align: left;
    padding-left: 35px;
    margin-top: 0;
}

.form-group {
    position: relative;
    margin-bottom: 10px;
}

.error-message {
    color: #FF4D4D; /* Ярко-красный цвет для ошибок */
    font-size: 0.85em;
    text-align: left;
    padding-top: 5px;
    display: none; /* По умолчанию сообщения скрыты */
}

input.invalid {
    border-color: #FF4D4D !important; /* Подсветка поля красным */
    box-shadow: 0 0 10px rgba(255, 77, 77, 0.3) !important;
}

@media (max-width: 1200px) {
    .hero-top-text { font-size: 3em; }
    .hero-left-text, .hero-right-text { font-size: 2em; }
}

@media (max-width: 992px) {
    h2 { font-size: 2.5em; }
    .hero-top-text { font-size: 3em; }
    .hero-left-text, .hero-right-text { font-size: 2em; }
    .results-content, .author-content { flex-direction: column; gap: 40px; }
}

@media (max-width: 768px) {
    .name {
        padding-left: 0;
        font-size: 1.8rem;
        text-align: center;
    }
    .testimonials {
        flex-direction: column;
    }
    section {
        padding: 60px 0;
    }
    .container {
        padding: 0 15px;
    }
    h2 {
        font-size: 2em;
        margin-bottom: 40px;
    }

    .hero {
        padding: 0px 0;
    }
    .hero-layout {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 25px;
        padding: 50px 25px 25px 25px;
        box-shadow: none;
    }
    .hero-layout::after {
        top: 10px;
        left: 10px;
        right: 10px;
        bottom: 10px;
        border: none;
        backdrop-filter: none;
    }
    .hero-top-text strong {
        font-size: 2rem;
    }
    .hero-top-text, .hero-left-text, .hero-right-text, .hero-center-photo, .hero-button-area, .hero-middle-text-on-photo {
        position: static;
        transform: none;
        margin-top: 0;
        width: 100%;
        text-align: center;
    }
    .hero-top-text {
        font-size: 1.6em;
        order: 1;
    }
    .hero-center-photo {
        order: 2;
        max-width: 280px;
        margin: 0 auto;
    }
    .hero-middle-text-on-photo {
        font-size: 1.5em;
        white-space: normal;
        padding: 10px;
        bottom: 10px;
        box-sizing: border-box;
    }
    .hero-left-text, .hero-right-text {
        font-size: 1.2em;
        line-height: 1.2;
    }
    .hero-left-text { order: 3; }
    .hero-right-text { order: 4; }
    .hero-button-area {
        order: 5;
    }
    .btn {
        padding: 15px 30px;
        font-size: 16px;
        width: 100%;
        box-sizing: border-box;
    }
    .btn-course-block {
        width: 100%;
    }

    .feature-card {
        flex-basis: 100%;
    }
    .results-list li {
        font-size: 1.1em;
    }
    .author-bio ul li {
        font-size: 1.1rem;
        text-align: left;
    }
    .testimonial-card {
        flex-basis: 100%;
    }
    .testimonial-header {
        text-align: center;
        gap: 20px;
    }
    .testimonial-header img {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .market-features {
        flex-direction: column;
    }

    #lead-form {
        padding: 20px;
    }

    .author-content {
        padding: 10px;
    }

    .mobile {
        display: none;
    }
}