/**
 * Стили для главной страницы (landing page)
 * TopMaker — Сервис продвижения сайтов
 */

/* ===== Variables ===== */
:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #EEF2FF;
    --secondary: #64748B;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --dark: #1E293B;
    --gray-900: #0F172A;
    --gray-800: #1E293B;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E2E8F0;
    --gray-100: #F1F5F9;
    --gray-50: #F8FAFC;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body.landing {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn--primary {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

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

.btn--secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}

.btn--secondary:hover {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

.btn--ghost {
    background-color: transparent;
    color: var(--gray-600);
    border-color: transparent;
}

.btn--ghost:hover {
    background-color: var(--gray-100);
    color: var(--gray-800);
}

.btn--telegram {
    background-color: #0088CC;
    color: var(--white);
    border-color: #0088CC;
    gap: 6px;
}

.btn--telegram:hover {
    background-color: #007AB8;
    border-color: #007AB8;
    color: var(--white);
}

.btn--telegram svg {
    flex-shrink: 0;
}

.btn--account {
    position: relative;
    gap: 8px;
    padding-right: 24px;
    color: var(--primary-dark);
    border-color: #C7D2FE;
    background-color: var(--primary-light);
    font-weight: 700;
}

.btn--account:hover {
    color: var(--primary-dark);
    border-color: #A5B4FC;
    background-color: #E0E7FF;
}

.public-account-link__icon {
    flex: 0 0 auto;
}

.public-account-link__status {
    position: absolute;
    top: 7px;
    right: 7px;
    width: 7px;
    height: 7px;
    border: 2px solid var(--white);
    border-radius: 50%;
    background: var(--success);
    box-sizing: content-box;
}

.btn--lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn--block {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
}

.header__link:hover {
    color: var(--dark);
}

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

.header__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.header__mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    border-radius: 2px;
}

/* ===== Hero Section ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

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

.hero__title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__text {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero__lead {
    margin: 0 0 10px;
    color: var(--dark);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
}

.hero__description {
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
}

.hero__benefits {
    display: grid;
    gap: 10px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.hero__benefits li {
    position: relative;
    padding: 11px 14px 11px 44px;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.72);
    color: var(--gray-700);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.hero__benefits li::before {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 14px;
    display: grid;
    width: 20px;
    height: 20px;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 100%);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    transform: translateY(-50%);
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero__stats {
    display: flex;
    gap: 40px;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.hero__stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__card {
    width: 100%;
    max-width: 400px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.hero__card-header {
    display: flex;
    gap: 8px;
    padding: 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
}

.hero__card-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.hero__card-body {
    padding: 24px;
}

.hero__card-chart {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 120px;
    margin-bottom: 24px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-sm);
    min-height: 20px;
}

.hero__card-stats {
    display: flex;
    gap: 24px;
}

.hero__card-stat {
    display: flex;
    flex-direction: column;
}

.hero__card-stat-label {
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero__card-stat-value {
    font-size: 20px;
    font-weight: 600;
    color: var(--success);
}

/* ===== Section ===== */
.section {
    padding: 80px 0;
}

.section__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}

.section__title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section__text {
    font-size: 18px;
    color: var(--gray-600);
}

/* ===== Features Section ===== */
.features {
    background-color: var(--gray-50);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card__icon {
    margin-bottom: 20px;
}

.feature-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.feature-card__text {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== How It Works Section ===== */
.steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 600px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
}

.step__content {
    padding-top: 8px;
}

.step__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.step__text {
    font-size: 16px;
    color: var(--gray-600);
}

/* ===== Pricing Section ===== */
.pricing {
    background-color: var(--gray-50);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    position: relative;
}

.pricing-card--popular {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-card__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.pricing-card__description {
    font-size: 14px;
    color: var(--gray-500);
}

.pricing-card__price {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-100);
}

.pricing-card__amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--dark);
}

.pricing-card__period {
    font-size: 16px;
    color: var(--gray-500);
}

.pricing-card__monthly {
    text-align: center;
    font-size: 13px;
    color: var(--gray-500);
    margin-top: -20px;
    margin-bottom: 20px;
}

.pricing-card__features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-card__features li {
    padding: 12px 0;
    font-size: 14px;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-50);
    position: relative;
    padding-left: 24px;
}

.pricing-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322C55E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* ===== FAQ Section ===== */
.faq__list {
    max-width: 700px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--gray-200);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    text-align: left;
}

.faq__question svg {
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq__item.is-open .faq__question svg {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq__item.is-open .faq__answer {
    max-height: 200px;
}

.faq__answer p {
    padding-bottom: 24px;
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 100%);
}

.cta__inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta__title {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta__text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.cta .btn--primary {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.cta .btn--primary:hover {
    background: var(--gray-100);
}

.cta .btn--ghost {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.cta .btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 64px 0 32px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer__logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    display: block;
    margin-bottom: 12px;
}

.footer__text {
    font-size: 14px;
    line-height: 1.6;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer__link {
    display: block;
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 12px;
}

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

.footer__bottom {
    padding-top: 32px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer__copyright {
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__text {
        margin: 0 auto 32px;
        text-align: left;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__stats {
        justify-content: center;
    }
    
    .hero__image {
        display: none;
    }
    
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .pricing-card--popular {
        transform: none;
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
    }
    
    .header__actions {
        display: none;
    }

    .header__actions--authenticated {
        display: flex;
        margin-left: auto;
    }

    .header__actions--authenticated .btn--telegram {
        display: none;
    }

    .header__actions--authenticated .btn--account {
        width: 40px;
        height: 40px;
        padding: 0;
    }

    .header__actions--authenticated .public-account-link__text {
        display: none;
    }
    
    .header__mobile-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero__title {
        font-size: 36px;
    }
    
    .hero__text {
        font-size: 16px;
    }
    
    .hero__actions {
        flex-direction: column;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section__title {
        font-size: 28px;
    }
    
    .features__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer__links {
        grid-template-columns: 1fr;
    }
    
    .cta__title {
        font-size: 28px;
    }
    
    .cta__actions {
        flex-direction: column;
    }
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    transform: translate(-50%, 0);
    pointer-events: none;
}

.contact-card {
    position: relative;
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 32px;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    background: linear-gradient(180deg, var(--white), var(--gray-50));
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 0 12px;
    height: 34px;
    border-radius: 999px;
    background: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.24);
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 18px;
}

.contact-title {
    margin: 0 0 14px;
    color: var(--dark);
    font-size: 40px;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.contact-text {
    margin: 0 0 24px;
    color: var(--gray-500);
    font-size: 16px;
    line-height: 1.65;
    max-width: 38ch;
}

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

.contact-points li {
    position: relative;
    padding-left: 20px;
    color: var(--gray-500);
    font-size: 15px;
    line-height: 1.5;
}

.contact-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 6px var(--primary-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field span {
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
}

.field input,
.field textarea {
    width: 100%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--dark);
    border-radius: var(--radius-sm);
    transition: .2s ease;
    font-family: var(--font-sans);
    font-size: 15px;
}

.field input {
    height: 52px;
    padding: 0 16px;
}

.field textarea {
    min-height: 140px;
    padding: 14px 16px;
    resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--gray-400);
}

.field input:hover,
.field textarea:hover {
    border-color: var(--gray-300);
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.field-full {
    grid-column: 1 / -1;
}

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 18px 0 22px;
    color: var(--gray-400);
    font-size: 14px;
    line-height: 1.5;
    cursor: pointer;
}

.checkbox input {
    margin-top: 3px;
    accent-color: var(--primary);
}

.checkbox a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer__link--button {
    padding: 0;
    font: inherit;
    text-align: left;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.form-submit-btn {
    align-self: flex-start;
    height: 52px;
    padding: 0 28px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: .2s ease;
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.form-submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.form-submit-btn:active {
    transform: translateY(0);
}

.form-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Spinner */
.form-submit-btn .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.form-submit-btn.is-loading .spinner {
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast notification */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    padding: 16px 24px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    max-width: 420px;
    line-height: 1.5;
}

.toast.is-visible {
    transform: translateX(0);
    opacity: 1;
}

.toast--success {
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    color: #065F46;
}

.toast--error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #991B1B;
}

/* Form error animation */
.field.is-error input,
.field.is-error textarea {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.field .field-error {
    display: none;
    color: var(--danger);
    font-size: 13px;
}

.field.is-error .field-error {
    display: block;
}

@media (max-width: 980px) {
    .contact-card {
        grid-template-columns: 1fr;
        padding: 32px;
    }

    .contact-title {
        font-size: 32px;
    }
}

@media (max-width: 640px) {
    .contact-section {
        padding: 56px 0;
    }

    .contact-card {
        gap: 24px;
        padding: 24px;
        border-radius: var(--radius-md);
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .field-full {
        grid-column: auto;
    }

    .contact-title {
        font-size: 26px;
    }

    .form-submit-btn {
        width: 100%;
        justify-content: center;
    }
    
    .toast {
        left: 16px;
        right: 16px;
        top: 16px;
        max-width: none;
    }
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 99;
    padding: 24px;
}

.mobile-menu.is-open {
    display: block;
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu__link {
    font-size: 18px;
    font-weight: 500;
    color: var(--dark);
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu__actions {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ===== SEO Text Block ===== */
.seo-block {
  padding: 72px 20px;
  background:
    linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(238, 242, 255, 0.85)),
    var(--gray-50);
  font-family: var(--font-sans);
}

.seo-block__container {
  max-width: 960px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.seo-block__container::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0) 70%);
  pointer-events: none;
}

.seo-block__badge {
  display: inline-block;
  margin-bottom: 18px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  border: 1px solid rgba(99, 102, 241, 0.16);
  border-radius: 999px;
}

.seo-block__title {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  max-width: 760px;
}

.seo-block__lead {
  margin: 0 0 28px;
  font-size: 18px;
  line-height: 1.75;
  color: var(--gray-600);
  max-width: 760px;
}

.seo-block__content {
  display: grid;
  gap: 18px;
  margin-bottom: 32px;
}

.seo-block__content p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-700);
}

.seo-block__content h2 {
  margin: 10px 0 6px;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

.seo-block__content h3 {
  margin: 8px 0 4px;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--gray-800);
}

.seo-block__content h4 {
  margin: 6px 0 4px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--gray-800);
}

.seo-block__content b,
.seo-block__content strong {
  font-weight: 600;
  color: var(--gray-900);
}

.seo-block__content ul {
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.seo-block__content ul li {
  position: relative;
  padding: 0 0 0 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
}

.seo-block__content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 500;
}

.seo-block__content br {
  display: block;
  content: '';
  margin: 0;
  height: 0;
  font-size: 0;
}

.seo-block__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.seo-block__button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: #fff;
}

.seo-block__button:active {
  transform: translateY(0);
}

.seo-block__button:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.22);
  outline-offset: 3px;
}

/* Планшеты */
@media (max-width: 768px) {
  .seo-block {
    padding: 56px 16px;
  }

  .seo-block__container {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
  }

  .seo-block__lead {
    font-size: 17px;
    line-height: 1.7;
  }

  .seo-block__content p {
    font-size: 15px;
    line-height: 1.75;
  }

  .seo-block__content h2 {
    font-size: 21px;
  }

  .seo-block__content h3 {
    font-size: 18px;
  }

  .seo-block__content ul {
    padding-left: 20px;
    gap: 8px;
  }

  .seo-block__content ul li {
    font-size: 15px;
    padding-left: 18px;
  }
}

/* Мобильные устройства */
@media (max-width: 480px) {
  .seo-block {
    padding: 40px 12px;
  }

  .seo-block__container {
    padding: 24px 18px;
    border-radius: var(--radius-md);
  }

  .seo-block__badge {
    font-size: 13px;
    padding: 7px 12px;
    margin-bottom: 14px;
  }

  .seo-block__title {
    margin-bottom: 14px;
    line-height: 1.2;
  }

  .seo-block__lead {
    font-size: 16px;
    margin-bottom: 22px;
  }

  .seo-block__content {
    gap: 14px;
    margin-bottom: 24px;
  }

  .seo-block__content p {
    font-size: 14px;
    line-height: 1.7;
  }

  .seo-block__content h2 {
    font-size: 19px;
  }

  .seo-block__content h3 {
    font-size: 17px;
  }

  .seo-block__content ul {
    padding-left: 16px;
    gap: 6px;
  }

  .seo-block__content ul li {
    font-size: 14px;
    padding-left: 16px;
  }

  .seo-block__button {
    width: 100%;
    padding: 0 16px;
  }
}