/* Палитра GitNam English */
:root {
    --color-bg: #0A0E1A;             /* основной фон */
    --color-bg-alt: #111827;         /* карточки, секции */
    --color-accent: #FF4D4F;         /* главный акцент (CTA, цена) */
    --color-accent-2: #00D8A4;       /* второй акцент (успех, bullets) */
    --color-text: #F4F7FA;           /* основной светлый текст */
    --color-muted: #A3A8B3;          /* серый текст */
    --color-error: #FF6B82;          /* ошибка */
    --color-success: #2ECC71;        /* успех (форма) */

    --radius-xl: 20px;
    --radius-l: 16px;
    --radius-m: 12px;
    --radius-s: 8px;

    --shadow-soft: 0 18px 60px rgba(0, 0, 0, 0.65);
    --transition-fast: 0.25s ease;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #121827 0, #050814 45%, #020309 100%);
    color: var(--color-text);
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

main {
    padding-top: 82px;
}

section {
    padding: 80px 20px;
    max-width: 1120px;
    margin: 0 auto;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--color-text);
}

h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

p {
    color: var(--color-muted);
}

/* HEADER */
.header {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    background: rgba(7, 10, 22, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(55, 65, 81, 0.8);
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo-svg {
    width: 210px;
    height: auto;
}

.header__nav {
    display: flex;
}

.header__nav-list {
    display: flex;
    list-style: none;
    gap: 18px;
    font-size: 14px;
}

.header__nav-list a {
    text-decoration: none;
    color: var(--color-muted);
    padding: 4px 8px;
    border-radius: 999px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.header__nav-list a:hover {
    background: rgba(15, 23, 42, 0.9);
    color: var(--color-text);
}

.header__nav-list a.active {
    background: rgba(255, 77, 79, 0.18);
    color: var(--color-text);
}

/* Burger */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.header__burger span {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: var(--color-text);
}

/* HERO */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.hero__label {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    background: rgba(15, 23, 42, 0.9);
    color: var(--color-muted);
    border: 1px solid rgba(55, 65, 81, 0.9);
    margin-bottom: 14px;
}

.hero h1 {
    font-size: clamp(26px, 4vw, 34px);
    margin-bottom: 12px;
}

.hero__subtitle {
    font-size: 16px;
    margin-bottom: 16px;
}

.hero__bullets {
    list-style: none;
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 16px;
}

.hero__bullets li {
    margin-bottom: 4px;
}

.hero__note {
    font-size: 14px;
    color: var(--color-accent-2);
    margin-bottom: 16px;
}

.hero__subnote {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 8px;
}

.hero__cta {
    margin-top: 4px;
}

/* HERO image-block */
.hero__image {
    position: relative;
    min-height: 260px;
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 10% 0%, rgba(255, 77, 79, 0.4) 0, transparent 50%),
        radial-gradient(circle at 80% 10%, rgba(0, 216, 164, 0.35) 0, transparent 55%),
        linear-gradient(145deg, #0b1220 0%, #111827 40%, #1f2937 70%, #020617 100%);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.hero__badge {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid rgba(55, 65, 81, 0.85);
    color: var(--color-text);
}

.hero__chip {
    position: absolute;
    max-width: 80%;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    background: rgba(15, 23, 42, 0.92);
    color: var(--color-muted);
    border: 1px solid rgba(55, 65, 81, 0.85);
}

.hero__chip--top {
    right: 18px;
    top: 64px;
}

.hero__chip--bottom {
    left: 18px;
    bottom: 22px;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 24px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast),
        color var(--transition-fast);
}

.btn--primary {
    background: linear-gradient(135deg, #FF4D4F 0%, #FF6B82 40%, #FF4D4F 100%);
    color: #FFFFFF;
    box-shadow: 0 18px 40px rgba(255, 77, 79, 0.5);
}

.btn--primary:hover {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 22px 50px rgba(255, 77, 79, 0.7);
}

/* GRID + CARDS */
.grid {
    display: grid;
    gap: 20px;
}

.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card,
.review-card {
    border-radius: var(--radius-l);
    padding: 22px 20px;
    background: var(--color-bg-alt);
    border: 1px solid rgba(55, 65, 81, 0.9);
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.55);
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        border-color var(--transition-fast),
        background var(--transition-fast);
}

.card:hover,
.review-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75);
    border-color: rgba(255, 77, 79, 0.5);
}

/* ABOUT */
.about__grid {
    display: grid;
    gap: 32px;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
}

/* BENEFITS */
.benefits__grid {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.2fr);
}

.benefits__text {
    margin-bottom: 12px;
}

.benefits__list {
    list-style: none;
    font-size: 14px;
    color: var(--color-text);
}

.benefits__list li {
    margin-bottom: 4px;
}

.card--benefit h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

/* FORMATS */
.card--format h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.card__list {
    list-style: none;
    font-size: 14px;
    color: var(--color-muted);
}

.card__list li {
    margin-bottom: 4px;
}

.card__price-label {
    margin-top: 14px;
    font-size: 15px;
    color: var(--color-accent);
    line-height: 1.4;
}

.card__price-monthly {
    display: block;
    margin-top: 4px;
    font-size: 14px;
    color: var(--color-accent-2); /* бирюзовый, менее агрессивно */
}

.card__price-note {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--color-muted);
}

.card--format-main {
    border-color: rgba(255, 77, 79, 0.75);
    box-shadow: 0 22px 60px rgba(255, 77, 79, 0.4);
}

.card__note {
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-muted);
}

/* TEACHERS */
.teachers__card {
    max-width: 720px;
}

.teachers__title {
    margin-top: 14px;
    margin-bottom: 6px;
    color: var(--color-text);
}

.teachers__list {
    list-style: none;
    font-size: 14px;
    color: var(--color-muted);
}

/* PRICING / START FLOW */
.pricing__grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pricing__card p {
    font-size: 14px;
}

.pricing__list {
    list-style: none;
    font-size: 14px;
    margin-top: 10px;
}

.pricing__list li {
    margin-bottom: 4px;
}

.pricing__note {
    margin-top: 10px;
    color: var(--color-accent-2);
    font-size: 14px;
}

.pricing__steps {
    margin-top: 10px;
    font-size: 14px;
    padding-left: 18px;
    color: var(--color-text);
}

.pricing__steps li {
    margin-bottom: 4px;
}

/* REVIEWS */
.review-card__city {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent-2);
    margin-bottom: 6px;
}

/* FAQ */
.faq__list {
    max-width: 780px;
}

.faq__item {
    margin-bottom: 28px; /* больше воздуха между вопросами */
}

.faq__question {
    width: 100%;
    text-align: left;
    font-size: 16px;
    line-height: 1.4;
    border-radius: var(--radius-m);
    border: 1px solid rgba(55, 65, 81, 0.9);
    background: rgba(17, 24, 39, 0.96);
    padding: 14px 16px;
    cursor: pointer;
    position: relative;
    color: var(--color-text);
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.faq__question::after {
    content: "+";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--color-accent);
}

.faq__question.is-open::after {
    content: "−";
}

.faq__question:hover {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
    transform: translateY(-1px);
}

.faq__answer {
    display: none;
    padding: 14px 16px 4px;
    background: transparent;
}

.faq__answer p {
    font-size: 14px;
    color: var(--color-muted);
}

/* CONTACTS & FORM */
.contacts__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
    align-items: flex-start;
}

.section-subtitle {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: 20px;
}

.form {
    display: grid;
    gap: 16px;
    background: rgba(10, 14, 26, 0.98);
    padding: 22px 20px;
    border-radius: var(--radius-l);
    border: 1px solid rgba(55, 65, 81, 0.9);
    box-shadow: var(--shadow-soft);
}

.form__field {
    display: grid;
    gap: 6px;
    font-size: 14px;
}

.form__field span {
    color: var(--color-text);
}

.form input,
.form select {
    padding: 11px 11px;
    border-radius: var(--radius-m);
    border: 1px solid rgba(75, 85, 99, 0.9);
    background: rgba(15, 23, 42, 0.9);
    color: var(--color-text);
    font-size: 14px;
    outline: none;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast);
}

.form input::placeholder {
    color: rgba(148, 163, 184, 0.8);
}

.form input:focus,
.form select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px rgba(255, 77, 79, 0.6);
    background: #020617;
}

.form__submit {
    margin-top: 4px;
}

.form__message {
    min-height: 22px;
    font-size: 14px;
    margin-top: 4px;
}

.form__note {
    font-size: 12px;
    color: var(--color-muted);
}

.contact-links h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.contact-links p {
    font-size: 14px;
    margin-bottom: 8px;
}

.contact-links ul {
    list-style: none;
    font-size: 14px;
    margin-bottom: 10px;
}

.contact-links ul li {
    margin-bottom: 4px;
}

.contact-links a {
    color: var(--color-accent-2);
    text-decoration: none;
    border-bottom: 1px dashed rgba(0, 216, 164, 0.5);
    padding-bottom: 1px;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.contact-links a:hover {
    color: var(--color-accent);
    border-color: rgba(255, 77, 79, 0.7);
}

.contact-links__note {
    font-size: 12px;
    color: var(--color-muted);
}

/* FOOTER */
.footer {
    padding: 24px 20px 30px;
    text-align: center;
    font-size: 13px;
    color: var(--color-muted);
    background: #050814;
    border-top: 1px solid rgba(31, 41, 55, 0.9);
}

/* REVEAL ANIMATION */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 960px) {
    .hero {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero__image {
        order: -1;
        min-height: 220px;
    }

    .about__grid,
    .benefits__grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 768px) {
    main {
        padding-top: 70px;
    }

    section {
        padding-inline: 16px;
        padding-block: 60px;
    }

    .header__nav {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(7, 10, 22, 0.98);
        border-bottom: 1px solid rgba(55, 65, 81, 0.9);
        display: none;
    }

    .header__nav-list {
        flex-direction: column;
        padding: 12px 18px 18px;
        gap: 8px;
    }

    .header__nav.open {
        display: block;
    }

    .header__burger {
        display: flex;
    }

    .contacts__layout {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }

    .hero__subtitle {
        font-size: 15px;
    }

    .card,
    .review-card,
    .form {
        padding-inline: 16px;
    }

    .faq__question {
        font-size: 15px;
        padding-inline: 14px;
    }

    .header__logo-svg {
        width: 190px;
    }
}