:root {
    --primary: #03add1;
    --primary-dark: #028da8;
    --primary-light: #e6f9fc;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a { color: inherit; text-decoration: none; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 9999px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 10px 20px -5px rgba(3, 173, 209, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -5px rgba(3, 173, 209, 0.45); }

.btn--outline {
    background: transparent;
    color: var(--dark);
    border: 1.5px solid rgba(15, 23, 42, 0.12);
}
.btn--outline:hover { border-color: var(--primary); color: var(--primary); }

.btn--white {
    background: var(--white);
    color: var(--dark);
}
.btn--white:hover { background: var(--gray-light); }

.btn--lg { padding: 16px 32px; font-size: 16px; }
.btn--sm { padding: 8px 16px; font-size: 13px; }

.btn--text {
    background: transparent;
    color: var(--primary);
    padding: 8px;
    font-weight: 500;
}
.btn--text:hover { color: var(--primary-dark); }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-radius: 12px;
    font-weight: 800;
    font-size: 16px;
}

.logo__text { display: flex; flex-direction: column; }
.logo__text strong { font-size: 17px; font-weight: 800; line-height: 1.2; }
.logo__text span { font-size: 12px; color: var(--gray); }

.nav { display: flex; gap: 28px; }
.nav__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-2);
    position: relative;
}
.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.nav__link:hover::after { width: 100%; }

.header__actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header__phone {
    font-weight: 700;
    font-size: 15px;
    color: var(--dark);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
}
.burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f7fa 100%);
}

.hero__bg {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(3, 173, 209, 0.18) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 60px;
    align-items: center;
}

.hero__label {
    display: inline-block;
    padding: 6px 14px;
    background: var(--white);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.hero__title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 20px;
    color: var(--dark);
}

.hero__subtitle {
    font-size: 18px;
    color: var(--gray);
    max-width: 540px;
    margin-bottom: 32px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero__features {
    display: flex;
    gap: 32px;
}

.hero__feature {
    display: flex;
    flex-direction: column;
    font-size: 14px;
    color: var(--gray);
}

.hero__feature span {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.1;
}

.hero__visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero__card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-lg);
}

.hero__card--alt {
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    color: var(--white);
}

.hero__card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.hero__card h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
}

.hero__card p {
    margin: 0;
    font-size: 14px;
    color: var(--gray);
}

.hero__card--alt p { color: rgba(255, 255, 255, 0.7); }

/* Sections */
.section-head {
    text-align: center;
    margin-bottom: 56px;
}

.section-head--left { text-align: left; }

.section-title {
    font-size: 38px;
    font-weight: 800;
    margin: 0 0 12px;
    color: var(--dark);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray);
    margin: 0;
}

section { padding: 96px 0; }

/* Features */
.features { background: var(--white); }

.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 14px;
    font-size: 26px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
}

.feature-card p {
    margin: 0;
    font-size: 14px;
    color: var(--gray);
}

/* Services */
.services { background: var(--gray-light); }

.services__tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.services__tab {
    padding: 12px 24px;
    border-radius: 999px;
    border: 1.5px solid transparent;
    background: var(--white);
    color: var(--dark);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.services__tab:hover { border-color: var(--primary); color: var(--primary); }
.services__tab.active {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

.services__panel { display: none; }
.services__panel.active { display: block; }

.service-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.service-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    background: var(--white);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.service-item:hover { box-shadow: var(--shadow); transform: translateX(4px); }

.service-item span {
    font-weight: 500;
    font-size: 15px;
}

.services__cta { text-align: center; margin-top: 40px; }

/* About */
.about { background: var(--white); }

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about__content p { color: var(--gray); margin-bottom: 16px; }

.about__list {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
    display: grid;
    gap: 12px;
}

.about__list li {
    position: relative;
    padding-left: 28px;
    font-weight: 500;
}

.about__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
}

.stat-card strong {
    display: block;
    font-size: 38px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.stat-card span {
    font-size: 14px;
    color: var(--gray);
}

/* Steps */
.steps { background: var(--gray-light); }

.steps__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    position: relative;
    transition: var(--transition);
}

.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.step-card__num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.25;
    line-height: 1;
    margin-bottom: 16px;
}

.step-card h3 { margin: 0 0 10px; font-size: 18px; }
.step-card p { margin: 0; font-size: 14px; color: var(--gray); }

/* Cases */
.cases { background: var(--white); }

.cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.case-card:hover { box-shadow: var(--shadow-lg); }

.case-card__tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.case-card__tags span {
    padding: 4px 10px;
    background: var(--white);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-dark);
}

.case-card h3 { margin: 0 0 12px; font-size: 20px; font-weight: 700; }
.case-card p { margin: 0 0 16px; font-size: 14px; color: var(--gray); }
.case-card ul { margin: 0; padding-left: 18px; font-size: 14px; color: var(--gray); }
.case-card li { margin-bottom: 6px; }

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 80px 0;
    color: var(--white);
}

.cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta__content h2 { margin: 0 0 12px; font-size: 34px; }
.cta__content p { margin: 0; opacity: 0.9; max-width: 560px; }

/* FAQ */
.faq { background: var(--gray-light); }

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 4px 24px;
    transition: var(--transition);
}

.faq__item summary {
    padding: 20px 0;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
    content: '+';
    font-size: 24px;
    color: var(--primary);
    font-weight: 300;
}
.faq__item[open] summary::after { content: '−'; }

.faq__item p { margin: 0 0 20px; color: var(--gray); font-size: 15px; }

/* Contacts */
.contacts { background: var(--white); }

.contacts__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 24px;
}

.contact-item strong {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray);
    margin-bottom: 6px;
}

.contact-item span,
.contact-item a { font-size: 16px; font-weight: 500; }
.contact-item a { color: var(--primary-dark); }
.contact-item a:hover { text-decoration: underline; }

.contacts__form {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 36px;
}

.contacts__form h3 { margin: 0 0 20px; font-size: 22px; }

/* Forms */
form { display: flex; flex-direction: column; gap: 14px; }

input, textarea, select {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    background: var(--white);
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(3, 173, 209, 0.12);
}

textarea { resize: vertical; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 14px; font-weight: 500; }

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
}

.checkbox input { width: auto; margin-top: 2px; }

.form-message {
    font-size: 14px;
    min-height: 20px;
    color: var(--danger);
}
.form-message.success { color: var(--success); }

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 64px 0 24px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer__logo p { color: rgba(255, 255, 255, 0.6); font-size: 14px; margin-top: 16px; }

.footer__nav, .footer__contacts {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__nav h4, .footer__contacts h4 {
    margin: 0 0 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.5);
}

.footer__nav a, .footer__contacts a, .footer__contacts p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    margin: 0;
}

.footer__nav a:hover { color: var(--white); }

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active { display: flex; }

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
}

.modal__content--sm { max-width: 420px; }

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: var(--dark);
    transition: var(--transition);
}

.modal__close:hover { background: var(--primary-light); color: var(--primary-dark); }

.auth-modal, .callback-modal { padding: 40px; }
.auth-modal h2, .callback-modal h2 { margin: 0 0 10px; font-size: 24px; }
.auth-modal p, .callback-modal p { color: var(--gray); margin: 0 0 24px; }

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 300;
    padding: 16px 24px;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    transform: translateY(120%);
    opacity: 0;
    transition: var(--transition);
    max-width: 360px;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* Utility */
.hidden { display: none !important; }

/* Responsive */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__visual { display: none; }
    .features__grid { grid-template-columns: repeat(2, 1fr); }
    .steps__grid { grid-template-columns: repeat(2, 1fr); }
    .about__grid { grid-template-columns: 1fr; }
    .contacts__grid { grid-template-columns: 1fr; }
    .cta__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .header__phone { display: none; }
    .nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    .nav.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .burger { display: flex; }
    .hero { padding: 120px 0 70px; }
    .hero__title { font-size: 34px; }
    .hero__features { gap: 20px; }
    .section-title { font-size: 28px; }
    section { padding: 64px 0; }
    .features__grid, .steps__grid, .cases__grid, .service-list, .about__stats { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .header__actions .btn--outline { display: none; }
    .hero__buttons { flex-direction: column; }
    .hero__buttons .btn { width: 100%; }
    .services__tabs { gap: 8px; }
    .services__tab { padding: 10px 16px; font-size: 13px; }
    .service-item { flex-direction: column; align-items: flex-start; gap: 12px; }
    .footer__grid { grid-template-columns: 1fr; }
    .auth-modal, .callback-modal { padding: 28px 20px; }
}

/* LK & Admin pages */
.lk-page, .admin-page {
    padding-top: 110px;
    min-height: 100vh;
    background: var(--gray-light);
    padding-bottom: 60px;
}

.lk-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
}

.lk-sidebar {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    height: fit-content;
    box-shadow: var(--shadow);
}

.lk-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.lk-menu__item {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    text-align: left;
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    color: var(--dark-2);
    cursor: pointer;
    transition: var(--transition);
}

.lk-menu__item:hover { background: var(--gray-light); }
.lk-menu__item.active { background: var(--primary); color: var(--white); }

.lk-content {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
    min-height: 500px;
}

.lk-section h1 { margin: 0 0 16px; font-size: 28px; }
.lk-section > p { color: var(--gray); margin-bottom: 28px; }

.lk-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.lk-card {
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.lk-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.lk-card h3 { margin: 0 0 8px; font-size: 16px; }
.lk-card p { margin: 0; font-size: 14px; color: var(--gray); }

.lk-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.lk-service-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.lk-service-card h3 { margin: 0 0 6px; font-size: 16px; }
.lk-service-card p { margin: 0 0 10px; font-size: 14px; color: var(--gray); }
.lk-service-card__category {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-dark);
    margin-bottom: 6px;
}
.lk-service-card__price {
    font-weight: 700;
    color: var(--dark);
}

.orders-table-wrap { overflow-x: auto; }
.orders-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.orders-table th, .orders-table td {
    padding: 14px 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-light);
}
.orders-table th {
    background: var(--gray-light);
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.03em;
}

.status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.status--new { background: #dbeafe; color: #1e40af; }
.status--processing { background: #fef3c7; color: #92400e; }
.status--priced { background: #d1fae5; color: #065f46; }
.status--completed { background: #e0e7ff; color: #3730a3; }
.status--cancelled { background: #fee2e2; color: #991b1b; }

/* Admin */
.admin-page h1 { margin: 0 0 24px; }
.admin-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}
.admin-tab {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    background: var(--white);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}
.admin-tab.active { background: var(--dark); color: var(--white); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }

.admin-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}
.admin-filter select { width: auto; min-width: 200px; }

.admin-table input, .admin-table select {
    padding: 8px 10px;
    font-size: 13px;
}
.admin-table input[type="number"] { width: 110px; }
.admin-table input[type="text"] { min-width: 150px; }

/* Responsive LK/Admin */
@media (max-width: 1024px) {
    .lk-layout { grid-template-columns: 1fr; }
    .lk-sidebar { order: 2; }
    .lk-content { order: 1; }
    .lk-cards { grid-template-columns: 1fr; }
    .lk-services { grid-template-columns: 1fr; }
}

.auth-hint {
    background: #fffbeb;
    border: 1px solid #fcd34d;
    color: #92400e;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
}

/* Calculator */
.calculator { background: linear-gradient(135deg, #f0f9ff, #e0f7fa); }
.calculator__inner {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 60px;
    align-items: center;
}
.calculator__form {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}
.calculator__form input[type="range"] {
    padding: 0;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-light);
    appearance: none;
}
.calculator__form input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(3, 173, 209, 0.4);
}
.calculator__range-value {
    text-align: center;
    font-weight: 700;
    color: var(--primary-dark);
    margin-top: 8px;
}
.calculator__result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px;
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    margin: 8px 0;
}
.calculator__result strong {
    font-size: 24px;
    color: var(--primary-dark);
}

/* Promotions */
.promotions { background: var(--white); }
.promotions__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.promo-card {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: var(--transition);
}
.promo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.promo-card__badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}
.promo-card h3 { margin: 0 0 12px; font-size: 20px; }
.promo-card p { color: var(--gray); margin-bottom: 20px; }

/* Map section */
.map-section { background: var(--dark); color: var(--white); }
.map-section .section-title,
.map-section .section-subtitle { color: var(--white); }
.map-section__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}
.map-stat {
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
}
.map-stat strong {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
}
.map-stat span { color: rgba(255, 255, 255, 0.7); }
.map-section__regions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}
.map-section__regions span {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

/* Reviews */
.reviews { background: var(--gray-light); }
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.review-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}
.review-card__stars {
    color: var(--warning);
    font-size: 20px;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.review-card p {
    color: var(--dark-2);
    font-style: italic;
    margin-bottom: 20px;
}
.review-card__author {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray);
}

/* Responsive additions */
@media (max-width: 1024px) {
    .calculator__inner { grid-template-columns: 1fr; }
    .promotions__grid { grid-template-columns: 1fr; }
    .map-section__grid { grid-template-columns: repeat(2, 1fr); }
    .reviews__grid { grid-template-columns: 1fr; }
}