/* ------------------- */
/* GLOBAL STYLES     */
/* ------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Roboto+Mono:wght@500&display=swap');

:root {
    --color-background: #0D0D1A;
    --color-text: #FFFFFF;
    --color-text-secondary: #9495A1;
    --color-accent: #00F5D4;
    --color-surface: #1A1A2E;

    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Roboto Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

h1, h2, h3 {
    line-height: 1.2;
}

/* ------------------- */
/* HEADER         */
/* ------------------- */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(13, 13, 26, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.header__nav {
    display: block; /* Отображаем на десктопе */
}

.header__menu-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header__menu-link {
    color: var(--color-text-secondary);
    padding: 0.5rem 0;
    position: relative;
    font-weight: 500;
}

.header__menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.header__menu-link:hover {
    color: var(--color-text);
}

.header__menu-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header__menu-link--cta {
    background-color: var(--color-accent);
    color: var(--color-background);
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.header__menu-link--cta:hover {
    background-color: var(--color-text);
    color: var(--color-background);
}

.header__menu-link--cta::after {
    display: none; /* Убираем подчеркивание для кнопки */
}

/* TODO: Добавить стили для мобильного меню-бургера */


/* ------------------- */
/* FOOTER        */
/* ------------------- */
.footer {
    background-color: var(--color-surface);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer__logo {
    font-family: var(--font-secondary);
    font-size: 1.75rem;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer__description {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    max-width: 250px;
}

.footer__title {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--color-text);
    font-weight: 500;
}

.footer__list li {
    margin-bottom: 0.75rem;
}

.footer__link {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}
.footer__link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.footer__address {
    color: var(--color-text-secondary);
    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

/* ------------------- */
/* REUSABLE COMPONENTS   */
/* ------------------- */
.button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-background);
    border: 2px solid var(--color-accent);
    border-radius: 5px;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: transparent;
    color: var(--color-accent);
}


/* ------------------- */
/* HERO SECTION      */
/* ------------------- */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 85vh;
    padding: 6rem 0;
    overflow: hidden;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 750px;
    text-align: left;
}

.hero__title {
    font-family: var(--font-secondary);
    font-size: 3.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--color-text);
    letter-spacing: 1px;
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero__cta {
    font-size: 1rem;
}

/* Фоновая CSS-анимация для атмосферы */
.hero__background-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: 
        linear-gradient(rgba(13, 13, 26, 0) 50%, rgba(13, 13, 26, 1)),
        url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1MCIgaGVpZ2h0PSI1MCI+PHJlY3Qgd2lkdGg9IjUwIiBoZWlnaHQ9IjUwIiBmaWxsPSIjMERDRDFBIj48L3JlY3Q+PGNpcmNsZSBjeD0iMjUiIGN5PSIyNSIgcj0iMSIgZmlsbD0iIzAwRjVENCIgZmlsbC1vcGFjaXR5PSIwLjMiPjwvY2lyY2xlPjwvc3ZnPg==);
    background-size: 100%, 50px 50px;
    animation: moveGrid 20s linear infinite;
}

@keyframes moveGrid {
    from { background-position: 0 0; }
    to { background-position: -500px -500px; }
}


@media (max-width: 768px) {
    .hero {
        text-align: center;
        min-height: 70vh;
    }
    .hero__content {
       text-align: center;
       margin-left: auto;
       margin-right: auto;
    }
    .hero__title {
        font-size: 2.5rem;
    }
    .hero__subtitle {
        font-size: 1rem;
    }
}

/* ------------------- */
/* GENERIC SECTION STYLES */
/* ------------------- */
.section {
    padding: 5rem 0;
}

.section:nth-of-type(even) { /* Чередование фона для секций */
    background-color: var(--color-surface);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section__title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.section__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ------------------- */
/* NEURO SECTION     */
/* ------------------- */
.neuro__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: flex-start;
    gap: 3rem;
}

.neuro__description-title {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.neuro__description-block p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.neuro__description-image {
    width: 100%;
    margin-top: 2rem;
    border-radius: 8px;
    opacity: 0.7;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.neuro__modules-block {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.neuro__module-card {
    position: relative;
    background-color: var(--color-background);
    padding: 1.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.neuro__module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px -5px rgba(0, 245, 212, 0.1);
}

.neuro__card-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: var(--color-accent);
    opacity: 0.5;
}

.neuro__card-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.neuro__card-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    max-width: 90%;
}

.neuro__card-tag {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--color-accent);
    letter-spacing: 1px;
}

/* Адаптивность */
@media (max-width: 992px) {
    .neuro__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section__title {
        font-size: 2rem;
    }
    .section__subtitle {
        font-size: 1rem;
    }
}

/* ------------------- */
/* BIOHACKING SECTION  */
/* ------------------- */
.biohacking {
    background-color: var(--color-background); /* Override alternating color */
}

.biohacking__tabs-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.biohacking__tab-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-surface);
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.biohacking__tab-link:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
}

.biohacking__tab-link--active {
    color: var(--color-background);
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.biohacking__tab-link--active:hover {
    color: var(--color-background);
}

.biohacking__tab-link i {
    width: 18px;
    height: 18px;
}

.biohacking__tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.biohacking__tab-pane--active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.biohacking__pane-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    gap: 3rem;
    background-color: var(--color-surface);
    padding: 3rem;
    border-radius: 12px;
}

.biohacking__pane-text h3 {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.biohacking__pane-text p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.biohacking__feature-list {
    list-style: none;
    color: var(--color-text-secondary);
}

.biohacking__feature-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 0.75rem;
}

.biohacking__feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.biohacking__pane-visual img {
    width: 100%;
    border-radius: 8px;
}

/* Адаптивность */
@media (max-width: 992px) {
    .biohacking__pane-grid {
        grid-template-columns: 1fr;
    }
     .biohacking__pane-visual {
        order: -1; /* Image on top on mobile */
    }
}

@media (max-width: 768px) {
    .biohacking__pane-grid {
        padding: 1.5rem;
    }
    .biohacking__pane-text h3 {
        font-size: 1.5rem;
    }
}

/* ------------------- */
/* QUANTUM SECTION     */
/* ------------------- */
.quantum {
    background-color: var(--color-surface);
}

.quantum__content-wrapper {
    display: grid;
    grid-template-columns: 1fr 200px 1fr;
    grid-template-rows: auto auto;
    grid-template-areas: 
        "superposition core entanglement"
        ". . .";
    align-items: center;
    gap: 2rem 4rem;
    min-height: 400px;
}

.quantum__core {
    grid-area: core;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.quantum__core-orb {
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--color-accent) 0%, rgba(0, 245, 212, 0) 70%);
    border-radius: 50%;
    animation: pulse 4s infinite ease-in-out;
}

.quantum__core-orb::before,
.quantum__core-orb::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(0, 245, 212, 0.3);
}

.quantum__core-orb::before {
    width: 160px;
    height: 160px;
    animation: rotate 10s linear infinite;
}

.quantum__core-orb::after {
    width: 200px;
    height: 200px;
    animation: rotate 15s linear infinite reverse;
}

.quantum__core-text {
    position: absolute;
    font-family: var(--font-secondary);
    color: var(--color-text-secondary);
    font-size: 1rem;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.quantum__feature {
    padding: 2rem;
    background-color: var(--color-background);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: transform 0.5s ease, opacity 0.5s ease;
    opacity: 0;
}

.quantum__content-wrapper.is-in-view .quantum__feature {
    opacity: 1;
}

.quantum__content-wrapper.is-in-view .quantum__feature--superposition {
    transform: translateX(0);
}
.quantum__content-wrapper.is-in-view .quantum__feature--entanglement {
    transform: translateX(0);
}

.quantum__feature--superposition {
    grid-area: superposition;
    text-align: right;
    transform: translateX(-50px);
}

.quantum__feature--entanglement {
    grid-area: entanglement;
    transform: translateX(50px);
}

.quantum__feature-icon {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.quantum__feature-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.quantum__feature-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Адаптивность */
@media (max-width: 992px) {
    .quantum__content-wrapper {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }
    .quantum__feature {
        text-align: left !important;
        transform: translateY(50px);
    }
     .quantum__content-wrapper.is-in-view .quantum__feature {
        transform: translateY(0);
    }
}

/* ------------------- */
/* SPACE SECTION       */
/* ------------------- */
.space {
    background-color: var(--color-background);
}

.space__cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.space__card {
    position: relative;
    min-height: 450px;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    border: 1px solid rgba(255, 255, 255, 0.1);
    isolation: isolate; /* New stacking context */
}

.space__card-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
}

.space__card:hover .space__card-background {
    transform: scale(1.1);
}

.space__card-content {
    width: 100%;
    padding: 2rem;
    position: relative;
    background: linear-gradient(to top, rgba(13, 13, 26, 0.95) 20%, rgba(13, 13, 26, 0) 100%);
}

.space__card-title {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.space__card-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.space__card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-weight: 700;
    margin-top: 1rem;
    text-decoration: none;
    position: relative;
}

.space__card-link span {
    transition: transform 0.3s ease;
}

.space__card-link i {
    transition: transform 0.3s ease;
}

.space__card-link:hover span {
    transform: translateX(-3px);
}

.space__card-link:hover i {
    transform: translateX(3px);
}

/* Адаптивность */
@media (max-width: 768px) {
    .space__card-title {
        font-size: 1.5rem;
    }
}

/* ------------------- */
/* CONTACT SECTION     */
/* ------------------- */
.contact {
    background-color: var(--color-surface);
}

.contact__form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__label {
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

#captcha-label {
    font-weight: 700;
    color: var(--color-text);
}

.form__input {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--color-background);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form__input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.form__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.2);
}

.form__group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.form__checkbox {
    display: none; /* Скрываем стандартный чекбокс */
}

.form__checkbox-label {
    color: var(--color-text-secondary);
    position: relative;
    padding-left: 30px;
    cursor: pointer;
}

.form__checkbox-label::before { /* Стилизация кастомного чекбокса */
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.form__checkbox-label::after { /* Галочка */
    content: '✓';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%) scale(0);
    font-size: 16px;
    color: var(--color-background);
    transition: transform 0.2s ease;
}

.form__checkbox:checked + .form__checkbox-label::before {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.form__checkbox:checked + .form__checkbox-label::after {
    transform: translateY(-50%) scale(1);
}


.form__checkbox-label a {
    color: var(--color-accent);
    text-decoration: none;
}
.form__checkbox-label a:hover {
    text-decoration: underline;
}

.contact__submit-button {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.form__message {
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    display: none; /* Скрыто по умолчанию */
}

.form__message--success {
    display: block;
    background-color: rgba(0, 245, 212, 0.1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.form__message--error {
    display: block;
    background-color: rgba(255, 82, 82, 0.1);
    border: 1px solid #ff5252;
    color: #ff5252;
}

/* ------------------- */
/* COOKIE POPUP        */
/* ------------------- */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    padding: 1.5rem 2rem;
    z-index: 2000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
}

.cookie-popup--show {
    transform: translateY(0);
}

.cookie-popup__text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.cookie-popup__text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-popup__button {
    padding: 0.6rem 1.5rem;
    white-space: nowrap; /* Чтобы текст не переносился */
}

@media (max-width: 768px) {
    .cookie-popup {
        flex-direction: column;
        text-align: center;
    }
}

/* ------------------- */
/* GENERIC PAGES (TERMS, PRIVACY, ETC.) */
/* ------------------- */
.pages {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.pages .container {
    max-width: 800px; /* Делаем контентную область уже для лучшей читаемости */
}

.pages h1 {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
    line-height: 1.2;
}

.pages h2 {
    font-size: 1.75rem;
    font-weight: 500;
    margin-top: 3rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
}

.pages p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.pages a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.pages a:hover {
    text-decoration: underline;
}

.pages ul {
    list-style: none; /* Убираем стандартные маркеры */
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.pages li {
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 25px;
    position: relative;
}

.pages li::before { /* Кастомные маркеры списка */
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
}

.pages strong {
    color: var(--color-text);
    font-weight: 500;
}