/* ===== CSS Variables ===== */
:root {
    --color-primary: #1a4d8c;      /* Deep blue */
    --color-primary-light: #2a6eb0;
    --color-primary-dark: #0f2d55;
    --color-secondary: #28a745;     /* Green accents */
    --color-secondary-hover: #218838;
    --color-text: #2c3e50;
    --color-text-light: #5a6f7e;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafd;
    --color-border: #e1e8ed;
    --color-white: #ffffff;
    --spacing-unit: 8px;
    --container-width: 1200px;
    --border-radius: 12px;
    --transition: 0.2s ease;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
}

/* ===== Base & Reset ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* ===== Accessibility ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1001;
}
.skip-link:focus-visible {
    top: 0;
}

:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ===== Container ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 2);
    width: 100%;
}

/* ===== Typography ===== */
h1, h2, h3 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-primary-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.35rem; }

.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 5);
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-secondary);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background-color var(--transition), transform var(--transition);
    border: none;
    cursor: pointer;
}
.btn--primary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}
.btn--primary:hover,
.btn--primary:focus-visible {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
}
.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn--secondary:hover,
.btn--secondary:focus-visible {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ===== Header & Navigation ===== */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}
.logo__icon {
    font-size: 2rem;
}
.burger-toggle {
    display: none;
}
.burger__label {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-primary);
    line-height: 1;
    padding: 8px;
    border-radius: 8px;
}
.nav__list {
    display: flex;
    gap: 24px;
    list-style: none;
}
.nav__link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 3px solid transparent;
    transition: border-color var(--transition);
}
.nav__link:hover,
.nav__link:focus-visible {
    border-bottom-color: var(--color-secondary);
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f0fa 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.hero__container {
    position: relative;
    z-index: 2;
}
.hero__title {
    margin-bottom: 20px;
    max-width: 900px;
}
.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    max-width: 700px;
}
.hero__cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.hero__bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" opacity="0.1"><path fill="%231a4d8c" d="M59.5,49.5L80,20l20.5,29.5L130,40L140,70l30,10l-20,25l20,30l-30,10l-10,30l-30-10l-20,20l-20-20l-30,10l-10-30L20,130l20-30L20,70l30-10L40,30L59.5,49.5z"/></svg>') repeat;
    background-size: 150px;
}

/* ===== USP Section ===== */
.usp {
    padding: 80px 0;
    background: var(--color-white);
}
.usp__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.usp__item {
    text-align: center;
    padding: 24px;
    border-radius: var(--border-radius);
    background: var(--color-bg-alt);
    transition: transform var(--transition);
}
.usp__item:hover {
    transform: translateY(-5px);
}
.usp__icon {
    color: var(--color-primary);
    margin-bottom: 16px;
}
.usp__title {
    margin-bottom: 8px;
}

/* ===== How to Section ===== */
.how-to {
    padding: 80px 0;
    background: var(--color-bg-alt);
}
.how-to__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}
.how-to__card {
    background: var(--color-white);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    border: 1px solid var(--color-border);
}
.how-to__number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--color-secondary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
}

/* ===== Strategies Section ===== */
.strategies {
    padding: 80px 0;
}
.strategies__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}
.strategy__item {
    background: linear-gradient(145deg, var(--color-white), var(--color-bg-alt));
    padding: 32px 24px;
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.strategy__title {
    margin-bottom: 12px;
}

/* ===== Withdrawal Section ===== */
.withdrawal {
    padding: 80px 0;
    background: var(--color-primary-dark);
    color: white;
}
.withdrawal .section-title,
.withdrawal .withdrawal__subtitle {
    color: white;
}
.withdrawal .section-title::after {
    background: white;
}
.withdrawal__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.withdrawal__subtitle {
    margin-bottom: 20px;
    font-size: 1.5rem;
}
.withdrawal__list {
    list-style: none;
}
.withdrawal__list li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

/* ===== Bets Section ===== */
.bets {
    padding: 80px 0;
}
.bets__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.bets__card {
    background: var(--color-bg-alt);
    padding: 32px;
    border-radius: var(--border-radius);
    text-align: center;
}
.bets__value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 12px 0;
}

/* ===== Countries Table ===== */
.countries {
    padding: 80px 0;
    background: var(--color-white);
}
.countries__intro {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1rem;
    color: var(--color-text-light);
}
.table-responsive {
    overflow-x: auto;
    margin: 0 auto;
    max-width: 100%;
}
.countries__table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
    overflow: hidden;
}
.countries__table th,
.countries__table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.countries__table th {
    background-color: var(--color-primary);
    color: white;
    font-weight: 600;
}
.countries__table tr:last-child td {
    border-bottom: none;
}
.countries__table tbody tr:hover {
    background-color: var(--color-bg-alt);
}
.countries__note {
    text-align: center;
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== Reviews Section ===== */
.reviews {
    padding: 80px 0;
    background: var(--color-bg-alt);
}
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}
.review__card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}
.review__card:hover {
    transform: scale(1.02);
}
.review__text {
    font-style: italic;
    margin-bottom: 16px;
}
.review__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
}
.review__rating {
    color: gold;
    font-weight: 500;
}
.reviews__aggregate {
    text-align: center;
    margin-top: 40px;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-primary);
}

/* ===== FAQ Section ===== */
.faq {
    padding: 80px 0;
}
.faq__grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}
.faq__item {
    background: var(--color-bg-alt);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}
.faq__question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 40px;
}
.faq__question::-webkit-details-marker {
    display: none;
}
.faq__question::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-primary);
}
details[open] .faq__question::after {
    content: '−';
}
.faq__answer {
    padding: 0 20px 20px 20px;
    color: var(--color-text-light);
}

/* ===== Contacts Section ===== */
.contacts {
    padding: 80px 0;
    background: var(--color-bg-alt);
}
.contacts__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.contacts__subtitle {
    margin-bottom: 20px;
}
.contacts__link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}
.contacts__link:hover {
    text-decoration: underline;
}
.form__group {
    margin-bottom: 20px;
}
.form__label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}
.form__input,
.form__textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}
.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}
.form__submit {
    width: 100%;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-primary-dark);
    color: white;
    padding: 40px 0;
    text-align: center;
}
.footer__disclaimer {
    font-size: 0.9rem;
    opacity: 0.8;
    max-width: 800px;
    margin: 16px auto 0;
}

/* ===== Media Queries ===== */
@media (max-width: 768px) {
    .burger__label {
        display: block;
    }
    .nav {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: 0 20px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .burger-toggle:checked ~ .nav {
        max-height: 400px;
        padding: 20px;
    }
    .nav__list {
        flex-direction: column;
        gap: 16px;
    }
    .withdrawal__content,
    .contacts__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .hero__cta {
        flex-direction: column;
        align-items: flex-start;
    }
    .btn {
        width: 100%;
        text-align: center;
    }
    .countries__table {
        font-size: 0.9rem;
    }
    .countries__table th,
    .countries__table td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-unit: 4px;
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    .section-title {
        margin-bottom: 30px;
    }
    .usp__grid,
    .how-to__grid,
    .strategies__grid,
    .bets__grid {
        grid-template-columns: 1fr;
    }
}