/* СвязяВал Landing — YCLIENTS Design System */

:root {
    --color-primary: #F4BE2A;
    --color-primary-hover: #E5B11E;
    --color-primary-soft: rgba(244, 190, 42, 0.18);
    --color-blue: #1896FA;
    --color-blue-soft: rgba(24, 150, 250, 0.12);

    --color-text-primary: #1F2429;
    --color-text-secondary: #6E7378;
    --color-bg: #F5F5F5;
    --color-surface: #F1F1F3;
    --color-surface-dark: #232A31;
    --color-border: #D8DADF;
    --color-white: #FFFFFF;

    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --container: 1200px;
    --header-h: 72px;
    --radius-card: 28px;
    --radius-block: 32px;
    --radius-btn: 18px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-float: 0 12px 40px rgba(0, 0, 0, 0.08);
    --section-py: 120px;
    --scrollbar-size: 6px;
    --scrollbar-thumb: rgba(110, 115, 120, 0.42);
    --scrollbar-thumb-hover: rgba(110, 115, 120, 0.62);
    --scrollbar-track: transparent;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

.accent { color: var(--color-primary); }

/* ---- Typography ---- */
.text-h1 {
    font-size: clamp(40px, 5.5vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.text-h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.text-h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
}

.text-body-lg {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.text-small {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.section-header {
    max-width: 720px;
    margin-bottom: 64px;
}

.section-header.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-header p {
    margin-top: 20px;
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.section { padding: var(--section-py) 0; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #111;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-float);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-white);
    transform: translateY(-2px);
}

.btn-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-primary);
    padding: 8px 0;
    gap: 6px;
}

.btn-link:hover { color: var(--color-blue); }

.btn-sm {
    padding: 12px 24px;
    font-size: 15px;
}

/* ---- Header ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(245, 245, 245, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo span {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-main a {
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-btn);
    transition: color 0.15s, background 0.15s;
}

.nav-main a:hover {
    color: var(--color-text-primary);
    background: var(--color-surface);
}

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

.header-actions .btn-login {
    font-size: 15px;
    font-weight: 600;
    padding: 10px 18px;
    color: var(--color-text-primary);
    border-radius: var(--radius-btn);
}

.header-actions .btn-login:hover { background: var(--color-surface); }

.burger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-border);
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--color-text-primary);
}

/* ---- Hero ---- */
.hero {
    padding-top: calc(var(--header-h) + 80px);
    padding-bottom: 100px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
    align-items: start;
}

.hero-content {
    padding-top: 12px;
}

.hero-content p {
    margin: 28px 0 40px;
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.hero-visual {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 12px 0 0 24px;
}

.hero-mockup {
    background: var(--color-white);
    border-radius: var(--radius-block);
    box-shadow: var(--shadow-float);
    padding: 24px;
    position: relative;
    z-index: 2;
}

.mockup-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
}

.mockup-bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
}

.mockup-bar span:first-child { background: #FF6B6B; }
.mockup-bar span:nth-child(2) { background: var(--color-primary); }
.mockup-bar span:nth-child(3) { background: #51CF66; }

.mockup-inner {
    background: var(--color-bg);
    border-radius: 20px;
    padding: 20px;
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.mockup-stat {
    background: var(--color-white);
    border-radius: 16px;
    padding: 14px;
}

.mockup-stat .num {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mockup-stat .lbl {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

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

.mockup-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-white);
    border-radius: 14px;
    padding: 12px 14px;
    font-size: 13px;
}

.mockup-row .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.mockup-row .time {
    font-weight: 600;
    min-width: 42px;
}

.mockup-row .name { flex: 1; font-weight: 500; }

.mockup-row .svc {
    color: var(--color-text-secondary);
    font-size: 12px;
}

.float-card {
    position: absolute;
    background: var(--color-white);
    border-radius: 20px;
    box-shadow: var(--shadow-float);
    padding: 16px 20px;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.float-card.top-right {
    top: 8px;
    right: -12px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation-delay: -2s;
}

.float-card.bottom-left {
    bottom: 12px;
    left: -20px;
    animation-delay: -4s;
}

.float-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 18px;
}

.float-card strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
}

.float-card span {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.notif-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
}

.notif-pill i { color: #51CF66; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ---- Feature cards ---- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform 0.25s, box-shadow 0.25s;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--color-text-primary);
}

.feature-card p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text-secondary);
}

.feature-visual {
    margin-top: auto;
    background: var(--color-white);
    border-radius: 16px;
    padding: 16px;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mini UI inside feature cards */
.mini-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    width: 100%;
}

.mini-calendar span {
    aspect-ratio: 1;
    border-radius: 6px;
    background: var(--color-bg);
    font-size: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
}

.mini-calendar span.active {
    background: var(--color-primary);
    color: #111;
    font-weight: 700;
}

.mini-slots { display: flex; flex-wrap: wrap; gap: 6px; width: 100%; }

.mini-slots span {
    padding: 6px 10px;
    border-radius: 8px;
    background: var(--color-bg);
    font-size: 11px;
    font-weight: 500;
}

.mini-slots span.on { background: var(--color-blue-soft); color: var(--color-blue); }

.mini-phone {
    width: 100%;
    text-align: center;
}

.mini-phone .wave {
    display: flex;
    justify-content: center;
    gap: 3px;
    margin-bottom: 8px;
}

.mini-phone .wave i {
    width: 4px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: wave 1.2s ease-in-out infinite;
}

.mini-phone .wave i:nth-child(2) { animation-delay: 0.15s; height: 28px; }
.mini-phone .wave i:nth-child(3) { animation-delay: 0.3s; height: 16px; }
.mini-phone .wave i:nth-child(4) { animation-delay: 0.45s; height: 24px; }

@keyframes wave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

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

.benefit-card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    padding: 40px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.benefit-num {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    color: var(--color-primary);
    letter-spacing: -0.04em;
    flex-shrink: 0;
}

.benefit-card h3 { margin-bottom: 8px; }

.benefit-card p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

/* ---- Dark analytics section ---- */
.section-dark {
    background: var(--color-surface-dark);
    color: var(--color-white);
    border-radius: var(--radius-block);
    padding: 64px;
    margin: 0 32px;
    max-width: calc(var(--container) + 64px);
    margin-left: auto;
    margin-right: auto;
}

.section-dark .section-header p { color: #9AA3AD; }

.section-dark .accent { color: var(--color-primary); }

.dark-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: center;
}

.dark-content ul {
    list-style: none;
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dark-content li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 17px;
    color: #C8CDD3;
}

.dark-content li i {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(244, 190, 42, 0.15);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.dashboard-preview {
    background: #1A2028;
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow-float);
}

.dash-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.dash-filters button {
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    color: #9AA3AD;
    background: rgba(255, 255, 255, 0.06);
    transition: background 0.15s, color 0.15s;
}

.dash-filters button.active {
    background: var(--color-primary);
    color: #111;
}

.dash-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.dash-kpi {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 16px;
}

.dash-kpi .val {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.dash-kpi .lbl {
    font-size: 12px;
    color: #9AA3AD;
    margin-top: 4px;
}

.dash-chart {
    height: 140px;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding-top: 12px;
}

.dash-chart .bar {
    flex: 1;
    border-radius: 6px 6px 0 0;
    background: rgba(24, 150, 250, 0.35);
    transition: height 0.6s ease;
}

.dash-chart .bar.highlight { background: var(--color-primary); }

/* ---- Industries ---- */
.industry-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    justify-content: center;
}

.industry-tabs button {
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border: 1px solid transparent;
    transition: all 0.2s;
}

.industry-tabs button.active,
.industry-tabs button:hover {
    background: var(--color-white);
    color: var(--color-text-primary);
    border-color: var(--color-border);
    box-shadow: var(--shadow-card);
}

.industry-panel { display: none; }

.industry-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.industry-text h3 { margin-bottom: 16px; }

.industry-text p {
    font-size: 17px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.65;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.industry-tags span {
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: var(--color-surface);
    font-size: 14px;
    font-weight: 500;
}

.industry-image {
    border-radius: var(--radius-card);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
}

.industry-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---- Testimonials ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.testimonial-card .quote {
    font-size: 17px;
    line-height: 1.65;
    color: var(--color-text-primary);
    flex: 1;
}

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

.testimonial-author .avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
}

.testimonial-author strong {
    display: block;
    font-size: 15px;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.stars { color: var(--color-primary); font-size: 14px; letter-spacing: 2px; }

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

.step-card {
    text-align: center;
    padding: 32px 24px;
}

.step-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #111;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-card h3 { margin-bottom: 10px; font-size: 20px; }

.step-card p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ---- CTA Banner ---- */
.cta-banner {
    background: var(--color-surface);
    border-radius: var(--radius-block);
    padding: 80px 64px;
    text-align: center;
    margin: 0 32px;
    max-width: calc(var(--container) + 64px);
    margin-left: auto;
    margin-right: auto;
}

.cta-banner h2 { margin-bottom: 16px; }

.cta-banner p {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .hero-actions { justify-content: center; }

/* ---- Footer ---- */
.site-footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--color-border);
    margin-top: var(--section-py);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 64px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 15px;
    color: var(--color-text-secondary);
    max-width: 280px;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 15px;
    color: var(--color-text-primary);
    padding: 6px 0;
    transition: color 0.15s;
}

.footer-col a:hover { color: var(--color-blue); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    font-size: 14px;
    color: var(--color-text-secondary);
}

.footer-legal-short {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.legal-info {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.legal-info-name {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.legal-info-row span {
    color: var(--color-text-secondary);
    margin-right: 6px;
}

.legal-info--compact {
    margin: 0;
    padding: 0;
    border: none;
    text-align: center;
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

/* ---- Mobile nav ---- */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(31, 36, 41, 0.4);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100%;
    background: var(--color-white);
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav.open .mobile-nav-panel { transform: translateX(0); }

.mobile-nav-panel a {
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-btn);
}

.mobile-nav-panel a:hover { background: var(--color-surface); }

.mobile-nav-panel .btn { margin-top: 16px; width: 100%; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .hero-grid,
    .dark-grid,
    .industry-panel.active { grid-template-columns: 1fr; }

    .features-grid { grid-template-columns: 1fr 1fr; }
    .testimonials-grid { grid-template-columns: 1fr 1fr; }
    .steps-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }

    .hero-grid { grid-template-columns: 1fr; }

    .hero-visual {
        margin-top: 32px;
        padding: 0;
    }

    .section-dark { margin: 0 16px; padding: 48px 32px; }
    .cta-banner { margin: 0 16px; padding: 64px 32px; }
}

@media (max-width: 768px) {
    :root { --section-py: 80px; }

    .nav-main, .header-actions .btn-login { display: none; }
    .burger { display: flex; }
    .mobile-nav { display: block; }

    .features-grid,
    .benefits-grid,
    .testimonials-grid,
    .steps-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

    .dash-kpis { grid-template-columns: 1fr; }
}

*, .scroll-area {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

*::-webkit-scrollbar, .scroll-area::-webkit-scrollbar {
    width: var(--scrollbar-size);
    height: var(--scrollbar-size);
}

*::-webkit-scrollbar-thumb, .scroll-area::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 99px;
    border: 2px solid transparent;
    background-clip: content-box;
}

*::-webkit-scrollbar-thumb:hover, .scroll-area::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover);
}