/* === Variables === */
:root {
    --primary: #1B5E3B;
    --accent: #F5A623;
    --bg: #FFFFFF;
    --text: #1A1A1A;
    --text-secondary: #6B6B6B;
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: opacity 0.2s, background-color 0.2s;
    border: 2px solid var(--primary);
}

.btn:hover {
    opacity: 0.85;
}

.btn--primary {
    background: var(--primary);
    color: #fff;
}

.btn--outline {
    background: #fff;
    color: var(--primary);
}

.btn--sm {
    font-size: 14px;
    padding: 6px 16px;
}

.btn--lg {
    font-size: 18px;
    padding: 14px 32px;
}

.btn svg {
    flex-shrink: 0;
}

/* === Header === */
.header {
    padding: 16px 0;
    border-bottom: 1px solid #E8E8E8;
}

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

.header__logo-img {
    display: block;
    height: 44px;
    width: auto;
}

.footer__logo {
    height: 28px;
    width: auto;
}

.header__nav {
    display: none;
    gap: 8px;
}

@media (min-width: 768px) {
    .header__nav {
        display: flex;
    }
}

/* === Hero === */
.hero {
    padding: 48px 0 40px;
    text-align: center;
}

.hero__title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero__subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 32px;
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 380px;
    margin: 0 auto 20px;
}

.hero__buttons .btn {
    width: 100%;
}

.hero__note {
    font-size: 14px;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .hero {
        padding: 72px 0 56px;
    }

    .hero__title {
        font-size: 42px;
    }

    .hero__subtitle {
        font-size: 20px;
    }

    .hero__buttons {
        flex-direction: row;
        max-width: none;
        justify-content: center;
    }

    .hero__buttons .btn {
        width: auto;
    }
}

/* === Section Title === */
.section-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 32px;
        margin-bottom: 40px;
    }
}

/* === Steps === */
.steps {
    padding: 48px 0;
    background: #F7F9F8;
}

.steps__grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.step {
    text-align: center;
}

.step__icon {
    margin-bottom: 16px;
}

.step__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step__text {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 280px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps {
        padding: 64px 0;
    }

    .steps__grid {
        flex-direction: row;
        justify-content: center;
    }

    .step {
        flex: 1;
        max-width: 280px;
    }
}

/* === Example / Mockup === */
.example {
    padding: 48px 0;
}

.mockup {
    max-width: 420px;
    margin: 0 auto 24px;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.mockup__header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--primary);
    color: #fff;
}

.mockup__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
}

.mockup__name {
    font-weight: 600;
    font-size: 15px;
}

.mockup__bubble {
    padding: 16px;
    background: #E8F5E9;
    margin: 12px;
    border-radius: 0 12px 12px 12px;
    font-size: 14px;
    line-height: 1.5;
}

.mockup__item-title {
    font-weight: 700;
    margin-bottom: 4px;
}

.mockup__line {
    margin-bottom: 2px;
}

.mockup__line--sub {
    color: var(--text-secondary);
}

.mockup__verdict {
    margin-top: 8px;
    color: #C62828;
    font-weight: 600;
    font-size: 13px;
}

.example__caption {
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
}

@media (min-width: 768px) {
    .example {
        padding: 64px 0;
    }
}

/* === FAQ === */
.faq {
    padding: 48px 0;
    background: #F7F9F8;
}

.faq__item {
    border-bottom: 1px solid #E0E0E0;
    max-width: 700px;
    margin: 0 auto;
}

.faq__item:first-of-type {
    border-top: 1px solid #E0E0E0;
}

.faq__question {
    padding: 18px 40px 18px 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 300;
    color: var(--primary);
    transition: transform 0.2s;
}

.faq__item[open] .faq__question::after {
    content: '\2212';
}

.faq__answer {
    padding: 0 0 18px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .faq {
        padding: 64px 0;
    }

    .faq__question {
        font-size: 17px;
    }
}

/* === CTA === */
.cta {
    padding: 48px 0;
    text-align: center;
}

.cta__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta__subtitle {
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-size: 17px;
}

@media (min-width: 768px) {
    .cta {
        padding: 72px 0;
    }

    .cta__title {
        font-size: 32px;
    }
}

/* === Footer === */
.footer {
    padding: 24px 0;
    border-top: 1px solid #E8E8E8;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.footer__logo {
    display: block;
}

.footer__text {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer__text a {
    color: var(--primary);
    text-decoration: none;
}

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

@media (min-width: 768px) {
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
    }
}