/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #222;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* === CONTAINER === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === HEADER === */
.header {
    position: sticky; top: 0; z-index: 100;
    background: #1a1a2e;
    border-bottom: 3px solid #f7c948;
}
.header__inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 0;
}
.header__logo {
    display: flex; align-items: center; gap: 12px;
    font-weight: 700; font-size: 1.1rem; color: #fff;
}
.header__logo-icon {
    background: #f7c948; color: #1a1a2e;
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.85rem;
    border-radius: 8px;
}
.header__logo-text { font-family: 'Montserrat', sans-serif; }
.header__nav { display: flex; gap: 28px; }
.header__nav-link {
    color: rgba(255,255,255,0.75); font-size: 0.9rem;
    transition: color 0.2s;
}
.header__nav-link:hover { color: #f7c948; }
.header__cta {
    padding: 10px 24px; font-size: 0.9rem;
    background: #f7c948; color: #1a1a2e;
    border-radius: 6px; font-weight: 600;
    transition: background 0.2s;
}
.header__cta:hover { background: #e6b83a; }
.header__burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.header__burger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; }

/* === BUTTONS === */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; border-radius: 6px; font-weight: 600;
    font-size: 0.95rem; cursor: pointer; border: none;
    transition: all 0.2s; text-align: center;
}
.btn--primary { background: #f7c948; color: #1a1a2e; }
.btn--primary:hover { background: #e6b83a; transform: translateY(-1px); }
.btn--outline {
    border: 2px solid rgba(255,255,255,0.3); color: #fff;
    background: transparent;
}
.btn--outline:hover { border-color: #f7c948; color: #f7c948; }
.btn--lg { padding: 16px 36px; font-size: 1.05rem; }
.btn--full { width: 100%; }

/* === HERO === */
.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff; padding: 80px 0;
}
.hero__inner {
    display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center;
}
.hero__badge {
    display: inline-block; background: rgba(247,201,72,0.15);
    color: #f7c948; padding: 6px 16px; border-radius: 20px;
    font-size: 0.85rem; font-weight: 500; margin-bottom: 20px;
}
.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.2rem; font-weight: 900; line-height: 1.15;
    margin-bottom: 20px;
}
.hero > .container > .hero__inner > .hero__content > p {
    font-size: 1.15rem; color: rgba(255,255,255,0.75);
    margin-bottom: 36px; max-width: 500px;
}
.hero__stats { display: flex; gap: 40px; margin-bottom: 40px; }
.hero__stat { display: flex; flex-direction: column; }
.hero__stat-num { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 800; color: #f7c948; }
.hero__stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); }
.hero__actions { display: flex; gap: 16px; }
.hero__image { position: relative; }
.hero__image img {
    width: 100%; height: 500px; object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.hero__image-badge {
    position: absolute; bottom: 20px; left: 20px;
    background: #f7c948; color: #1a1a2e;
    padding: 8px 16px; border-radius: 6px;
    font-weight: 600; font-size: 0.85rem;
}

/* === SECTIONS === */
.section { padding: 80px 0; }
.section--dark { background: #f5f5f7; }
.section__header { text-align: center; margin-bottom: 50px; }
.section__label {
    display: inline-block; background: #f7c948; color: #1a1a2e;
    padding: 4px 16px; border-radius: 20px;
    font-size: 0.8rem; font-weight: 600; margin-bottom: 12px;
}
.section__header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem; font-weight: 800; margin-bottom: 8px;
}
.section__subtitle {
    color: #666; font-size: 1.05rem; max-width: 600px; margin: 12px auto 0;
}

/* === ABOUT === */
.about__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.about__card {
    background: #fff; padding: 32px; border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.2s;
}
.about__card:hover { transform: translateY(-4px); }
.about__icon { font-size: 2.5rem; margin-bottom: 16px; }
.about__card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem; font-weight: 700; margin-bottom: 10px;
}
.about__card p { color: #666; font-size: 0.92rem; }

/* === SERVICES === */
.services__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.service-card {
    background: #fff; border-radius: 16px; overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}
.service-card:hover { transform: translateY(-6px); }
.service-card__image img { width: 100%; height: 220px; object-fit: cover; }
.service-card__body { padding: 28px; }
.service-card__body h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem; font-weight: 700; margin-bottom: 12px;
}
.service-card__body > p { color: #666; font-size: 0.92rem; margin-bottom: 16px; }
.service-card__features li {
    padding: 6px 0; font-size: 0.9rem; color: #444;
    border-bottom: 1px solid #f0f0f0;
}
.service-card__features li:last-child { border: none; }
.service-card__features li::before { content: '✓ '; color: #f7c948; font-weight: 700; }

/* === RESULTS === */
.results__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.result-card {
    background: #1a1a2e; border-radius: 16px; overflow: hidden;
    color: #fff;
}
.result-card__images {
    display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
}
.result-card__images img { width: 100%; height: 240px; object-fit: cover; }
.result-card__info { padding: 20px 24px; }
.result-card__info h4 { font-size: 1rem; margin-bottom: 4px; }
.result-card__info p { color: #f7c948; font-weight: 600; }

/* === CALCULATOR === */
.calculator {
    display: grid; grid-template-columns: 1fr 340px; gap: 40px;
    background: #fff; border-radius: 16px; overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.calculator__form { padding: 40px; }
.calculator__field { margin-bottom: 24px; }
.calculator__field label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.95rem; }
.calculator__field select,
.calculator__field input[type="text"] {
    width: 100%; padding: 12px 16px; border: 2px solid #e8e8e8;
    border-radius: 8px; font-size: 1rem; font-family: inherit;
    transition: border-color 0.2s;
}
.calculator__field select:focus,
.calculator__field input:focus { outline: none; border-color: #f7c948; }
.calculator__field input[type="range"] {
    width: 100%; accent-color: #f7c948;
}
.calculator__field .checkbox {
    display: flex; align-items: center; gap: 8px;
    font-weight: 400; cursor: pointer; padding: 6px 0;
}
.calculator__field .checkbox input { accent-color: #f7c948; }
.calculator__result {
    background: #1a1a2e; color: #fff;
    padding: 40px; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
}
.calculator__total {
    font-size: 1.3rem; margin-bottom: 8px; color: rgba(255,255,255,0.7);
}
.calculator__total span:last-child {
    display: block; font-size: 2.4rem; font-weight: 800;
    color: #f7c948; font-family: 'Montserrat', sans-serif;
}
.calculator__note { color: rgba(255,255,255,0.5); font-size: 0.8rem; margin: 16px 0; }

/* === REVIEWS === */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
    background: #fff; padding: 32px; border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.review-card__stars { color: #f7c948; font-size: 1.1rem; margin-bottom: 16px; }
.review-card p { color: #444; font-size: 0.95rem; font-style: italic; margin-bottom: 20px; line-height: 1.7; }
.review-card__author { display: flex; flex-direction: column; }
.review-card__author strong { font-size: 0.95rem; }
.review-card__author span { font-size: 0.82rem; color: #888; }

/* === CONTACT === */
.contact__grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.contact__item {
    display: flex; gap: 16px; margin-bottom: 28px;
}
.contact__item-icon { font-size: 1.8rem; }
.contact__item strong { display: block; margin-bottom: 4px; }
.contact__item p { color: #666; font-size: 0.92rem; }
.contact__socials { display: flex; gap: 16px; margin-top: 32px; }
.contact__socials a {
    padding: 8px 16px; background: #f0f0f0; border-radius: 6px;
    font-size: 0.85rem; font-weight: 500; transition: background 0.2s;
}
.contact__socials a:hover { background: #e0e0e0; }
.contact__form { display: flex; flex-direction: column; gap: 16px; }
.contact__form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact__form input,
.contact__form select,
.contact__form textarea {
    width: 100%; padding: 14px 16px; border: 2px solid #e8e8e8;
    border-radius: 8px; font-size: 1rem; font-family: inherit;
    transition: border-color 0.2s;
}
.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus { outline: none; border-color: #f7c948; }
.contact__form textarea { resize: vertical; }
.contact__note { font-size: 0.8rem; color: #999; text-align: center; }

/* === FOOTER === */
.footer {
    background: #1a1a2e; color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
}
.footer__inner {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
    margin-bottom: 40px;
}
.footer__col a { display: block; padding: 4px 0; font-size: 0.9rem; }
.footer__col a:hover { color: #f7c948; }
.footer__col strong { color: #fff; display: block; margin-bottom: 12px; font-size: 0.95rem; }
.footer__desc { font-size: 0.88rem; margin-top: 12px; }
.footer__socials { display: flex; flex-wrap: wrap; gap: 8px; }
.footer__socials a {
    padding: 6px 12px; background: rgba(255,255,255,0.08);
    border-radius: 4px; font-size: 0.85rem;
}
.footer__socials a:hover { background: rgba(255,255,255,0.15); }
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px; text-align: center; font-size: 0.85rem;
}
.footer__logo-icon {
    background: #f7c948; color: #1a1a2e;
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.75rem; border-radius: 6px;
}
.footer__logo-text { color: #fff; font-weight: 700; margin-left: 10px; font-family: 'Montserrat', sans-serif; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; text-align: center; }
    .hero__content { order: 1; }
    .hero__image { order: 0; max-width: 400px; margin: 0 auto; }
    .hero__actions { justify-content: center; }
    .hero__stats { justify-content: center; }
    .about__grid { grid-template-columns: repeat(2, 1fr); }
    .services__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .results__grid { grid-template-columns: 1fr 1fr; }
    .calculator { grid-template-columns: 1fr; }
    .calculator__result { order: -1; }
    .reviews__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .contact__grid { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header__nav { display: none; }
    .header__cta { display: none; }
    .header__burger { display: block; }
    .hero { padding: 50px 0; }
    .hero h1 { font-size: 2.2rem; }
    .hero__image img { height: 300px; }
    .hero__stats { flex-direction: column; gap: 16px; align-items: center; }
    .section { padding: 50px 0; }
    .section__header h2 { font-size: 1.7rem; }
    .about__grid { grid-template-columns: 1fr; }
    .results__grid { grid-template-columns: 1fr; }
    .contact__form-row { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr; }
}