:root {
    --ink: #14151a;
    --muted: #686b76;
    --line: #dde0e7;
    --surface: #ffffff;
    --canvas: #f4f5f8;
    --canvas-deep: #ebeef3;
    --blue: #3678ff;
    --blue-dark: #1f59d5;
    --lime: #c9f36a;
    --green: #1d9b68;
    --orange: #ff8e5a;
    --radius-lg: 28px;
    --radius-md: 18px;
    --shadow: 0 30px 80px rgba(25, 32, 51, 0.13);
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--canvas);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    color: #fff;
    background: var(--ink);
    border-radius: 10px;
    transform: translateY(-160%);
    transition: transform 160ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid rgba(54, 120, 255, 0.4);
    outline-offset: 3px;
}

.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.site-header {
    position: relative;
    z-index: 20;
    border-bottom: 1px solid rgba(20, 21, 26, 0.08);
    background: rgba(244, 245, 248, 0.88);
    backdrop-filter: blur(18px);
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-size: 18px;
    font-weight: 760;
    letter-spacing: -0.03em;
}

.brand-mark {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border-radius: 9px;
    background: var(--ink);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.brand-mark span {
    width: 7px;
    height: 14px;
    border-radius: 4px;
    background: var(--lime);
    transform: rotate(28deg);
}

.brand-mark span:last-child {
    height: 9px;
    background: var(--blue);
    transform: rotate(-28deg);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
    margin-left: auto;
    color: #4f525c;
    font-size: 14px;
    font-weight: 600;
}

.main-nav a,
.text-link {
    transition: color 160ms ease;
}

.main-nav a:hover,
.text-link:hover {
    color: var(--blue);
}

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 13px;
    font-size: 15px;
    font-weight: 700;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    color: #fff;
    background: var(--blue);
    box-shadow: 0 10px 24px rgba(54, 120, 255, 0.27);
}

.button-primary:hover {
    background: var(--blue-dark);
    box-shadow: 0 14px 28px rgba(54, 120, 255, 0.32);
}

.button-secondary {
    min-height: 42px;
    padding-inline: 19px;
    border-color: #d6d9e0;
    background: rgba(255, 255, 255, 0.7);
}

.button-secondary:hover {
    background: #fff;
}

.hero {
    position: relative;
    min-height: 690px;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 86px 0 96px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.34;
    background-image: linear-gradient(rgba(20, 21, 26, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 21, 26, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

.hero-glow {
    position: absolute;
    border-radius: 999px;
    filter: blur(1px);
    pointer-events: none;
}

.hero-glow-one {
    width: 370px;
    height: 370px;
    top: 70px;
    right: 3%;
    background: rgba(201, 243, 106, 0.3);
}

.hero-glow-two {
    width: 280px;
    height: 280px;
    right: 32%;
    bottom: 45px;
    background: rgba(54, 120, 255, 0.14);
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.93fr) minmax(500px, 1.07fr);
    align-items: center;
    gap: 74px;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.eyebrow-dot {
    width: 7px;
    height: 7px;
    display: inline-block;
    margin-right: 7px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 0 5px rgba(54, 120, 255, 0.11);
}

.hero h1 {
    max-width: 620px;
    margin: 0;
    font-size: clamp(52px, 6vw, 82px);
    line-height: 0.99;
    letter-spacing: -0.065em;
}

.hero h1 span {
    color: var(--blue);
}

.hero-lead {
    max-width: 580px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.62;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-top: 34px;
}

.text-link {
    color: #3f424c;
    font-size: 14px;
    font-weight: 700;
}

.hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 22px;
    margin: 34px 0 0;
    padding: 0;
    color: #4f525d;
    font-size: 13px;
    list-style: none;
}

.hero-facts span {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
    color: #1c704f;
    border-radius: 50%;
    background: rgba(201, 243, 106, 0.48);
    font-size: 11px;
    font-weight: 900;
}

.product-preview {
    position: relative;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow);
    transform: rotate(1.2deg);
}

.product-preview::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 20px -16px -18px 22px;
    border: 1px solid rgba(20, 21, 26, 0.08);
    border-radius: var(--radius-lg);
    background: #dfe4ee;
}

.preview-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 21px;
    border-bottom: 1px solid #eceef2;
}

.preview-topbar > div,
.flow-service span:last-child {
    display: flex;
    flex-direction: column;
}

.preview-kicker,
.flow-service small,
.lead-event small,
.preview-stats span {
    color: #898c95;
    font-size: 11px;
}

.preview-topbar strong {
    font-size: 15px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 10px;
    color: #277456;
    border-radius: 999px;
    background: #e7f8ef;
    font-size: 11px;
    font-weight: 800;
}

.status-pill span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #28a975;
    box-shadow: 0 0 0 4px rgba(40, 169, 117, 0.12);
}

.flow {
    display: grid;
    grid-template-columns: 1fr 32px 1fr 32px 1fr;
    align-items: center;
    padding: 29px 0 25px;
}

.flow-service {
    min-height: 114px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 8px;
    text-align: center;
    border: 1px solid #e8eaf0;
    border-radius: 16px;
    background: #fafbfc;
}

.flow-service strong {
    font-size: 12px;
}

.service-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-radius: 12px;
    background: #347cf7;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.05em;
}

.router-icon {
    gap: 3px;
    background: var(--ink);
}

.router-icon i {
    width: 6px;
    height: 17px;
    border-radius: 4px;
    background: var(--lime);
    transform: rotate(25deg);
}

.router-icon i:last-child {
    height: 11px;
    background: var(--blue);
    transform: rotate(-25deg);
}

.amo-service .service-icon {
    color: #111;
    background: #ffe03c;
    font-size: 12px;
}

.flow-line {
    position: relative;
    height: 1px;
    overflow: hidden;
    background: #d8dbe3;
}

.flow-line::after {
    content: "›";
    position: absolute;
    top: 50%;
    right: -1px;
    color: #a5a9b2;
    font-size: 16px;
    transform: translateY(-55%);
}

.flow-line span {
    position: absolute;
    top: -2px;
    left: -5px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--blue);
    animation: travel 2.8s ease-in-out infinite;
}

.lead-event {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    border: 1px solid #e7e9ee;
    border-radius: 15px;
    background: #f9fafc;
}

.lead-avatar {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #195435;
    border-radius: 50%;
    background: var(--lime);
    font-weight: 800;
}

.lead-main {
    min-width: 0;
    display: flex;
    flex: 1;
    flex-direction: column;
}

.lead-main strong {
    overflow: hidden;
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lead-label {
    color: var(--blue);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
}

.lead-time {
    align-self: flex-start;
    color: #8a8e98;
    font-size: 10px;
    white-space: nowrap;
}

.preview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 16px;
}

.preview-stats div {
    display: flex;
    flex-direction: column;
    padding: 12px;
    border-radius: 12px;
    background: #f2f4f7;
}

.preview-stats strong {
    font-size: 11px;
}

.success-text {
    color: var(--green);
}

.trust-strip {
    border-block: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.5);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.trust-grid p {
    margin: 0;
    padding: 24px 20px;
    color: #555862;
    border-right: 1px solid var(--line);
    font-size: 13px;
    font-weight: 650;
    text-align: center;
}

.trust-grid p:last-child {
    border-right: 0;
}

.trust-grid span {
    margin-right: 8px;
    color: var(--blue);
    font-size: 10px;
}

.section {
    padding: 112px 0;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 48px;
}

.section h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(38px, 4.5vw, 58px);
    line-height: 1.05;
    letter-spacing: -0.052em;
}

.section-heading > p,
.workflow-intro > p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.feature-card {
    position: relative;
    min-height: 410px;
    display: flex;
    flex-direction: column;
    padding: 28px;
    overflow: hidden;
    border: 1px solid #e1e3e9;
    border-radius: 22px;
    background: var(--surface);
}

.feature-card-accent {
    background: #eaf0ff;
}

.feature-number {
    color: #8b8f9a;
    font-size: 11px;
    font-weight: 800;
}

.feature-card h3 {
    margin: auto 0 8px;
    font-size: 23px;
    letter-spacing: -0.035em;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.feature-visual {
    position: relative;
    height: 180px;
    margin: 18px 0 24px;
}

.event-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-ring,
.event-core {
    position: absolute;
    border-radius: 50%;
}

.event-ring {
    width: 124px;
    height: 124px;
    border: 1px solid rgba(54, 120, 255, 0.23);
    box-shadow: 0 0 0 24px rgba(54, 120, 255, 0.06), 0 0 0 48px rgba(54, 120, 255, 0.035);
}

.event-core {
    width: 22px;
    height: 22px;
    background: var(--blue);
    box-shadow: 0 0 0 9px #fff, 0 10px 24px rgba(54, 120, 255, 0.28);
}

.event-visual i {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--orange);
}

.event-visual i:nth-child(3) { transform: translate(73px, -50px); }
.event-visual i:nth-child(4) { transform: translate(-85px, 30px); background: var(--lime); }
.event-visual i:nth-child(5) { transform: translate(62px, 70px); background: #7d91ff; }

.forms-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.forms-visual span {
    position: absolute;
    width: 145px;
    height: 108px;
    border: 1px solid #d8dbe3;
    border-radius: 16px;
    background: #f8f9fb;
    box-shadow: 0 15px 30px rgba(35, 39, 50, 0.08);
}

.forms-visual span::before,
.forms-visual span::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    height: 8px;
    border-radius: 4px;
    background: #dde1e8;
}

.forms-visual span::before { top: 25px; }
.forms-visual span::after { top: 45px; right: 50px; }
.forms-visual span:nth-child(1) { transform: translate(-42px, 25px) rotate(-8deg); }
.forms-visual span:nth-child(2) { transform: translate(42px, 20px) rotate(8deg); }
.forms-visual span:nth-child(3) { z-index: 2; border-color: #bed0ff; background: #fff; }

.route-visual {
    display: flex;
    align-items: center;
}

.route-source,
.route-visual i {
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 14px;
}

.route-source {
    left: 20px;
    background: var(--ink);
}

.route-source::before {
    content: "VK";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 13px;
    font-weight: 900;
}

.route-visual i {
    right: 20px;
    background: var(--blue);
}

.route-visual i:last-child {
    top: 25px;
    background: var(--lime);
}

.route-visual i::before {
    content: "CRM";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 9px;
    font-weight: 900;
}

.route-visual i:last-child::before {
    color: #294414;
}

.route-path {
    position: absolute;
    left: 68px;
    right: 68px;
    height: 58px;
    border-right: 2px solid #cbd0da;
    border-bottom: 2px solid #cbd0da;
    border-radius: 0 0 22px 0;
}

.route-path-one { top: 31px; }
.route-path-two { bottom: 33px; transform: scaleY(-1); }

.workflow-section {
    background: var(--canvas-deep);
}

.workflow-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;
}

.workflow-intro {
    position: sticky;
    top: 110px;
    align-self: start;
}

.workflow-intro > p:last-child {
    max-width: 480px;
    margin-top: 26px;
}

.steps {
    margin: 0;
    padding: 0;
    list-style: none;
}

.steps li {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 28px;
    padding: 34px 0;
    border-bottom: 1px solid #ced2da;
}

.steps li:first-child {
    padding-top: 0;
}

.step-index {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    border: 1px solid #c7ccd6;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    font-size: 11px;
    font-weight: 800;
}

.steps h3 {
    margin: 2px 0 8px;
    font-size: 23px;
    letter-spacing: -0.03em;
}

.steps p {
    max-width: 560px;
    margin: 0;
    color: var(--muted);
}

.security-panel {
    display: grid;
    grid-template-columns: 1fr 0.75fr;
    gap: 76px;
    padding: 64px;
    color: #fff;
    border-radius: 30px;
    background: #17191f;
    box-shadow: 0 30px 80px rgba(20, 21, 26, 0.18);
}

.eyebrow-light {
    color: var(--lime);
}

.security-copy h2 {
    font-size: clamp(42px, 5vw, 64px);
}

.security-copy > p:last-child {
    max-width: 620px;
    margin: 24px 0 0;
    color: #b8bbc4;
    font-size: 17px;
}

.security-list {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.security-list > div {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.security-list > div:last-child {
    border-bottom: 0;
}

.security-list > div > span {
    width: 30px;
    height: 30px;
    display: flex;
    flex: 0 0 30px;
    align-items: center;
    justify-content: center;
    color: #203c12;
    border-radius: 9px;
    background: var(--lime);
    font-size: 13px;
    font-weight: 900;
}

.security-list p {
    display: flex;
    flex-direction: column;
    margin: 0;
}

.security-list small {
    color: #9296a1;
}

.final-cta {
    padding-top: 40px;
}

.cta-panel {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    padding: 66px;
    overflow: hidden;
    border: 1px solid #d9dce3;
    border-radius: 30px;
    background: #fff;
}

.cta-panel h2 {
    font-size: clamp(42px, 5.5vw, 70px);
}

.site-footer {
    padding: 30px 0 44px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 36px;
    padding-top: 30px;
    color: #777a84;
    border-top: 1px solid var(--line);
    font-size: 12px;
}

.footer-brand {
    color: var(--ink);
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: radial-gradient(circle at 20% 10%, rgba(54, 120, 255, 0.15), transparent 34%), radial-gradient(circle at 90% 80%, rgba(201, 243, 106, 0.24), transparent 31%), var(--canvas);
}

.login-body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.38;
    background-image: linear-gradient(rgba(20, 21, 26, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 21, 26, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
}

.login-shell {
    position: relative;
    z-index: 1;
    width: min(calc(100% - 36px), 460px);
}

.login-brand {
    display: flex;
    width: max-content;
    margin: 0 auto 26px;
}

.login-card {
    padding: 44px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.login-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 11px;
    color: #4f5360;
    border-radius: 999px;
    background: #eff1f5;
    font-size: 11px;
    font-weight: 750;
}

.login-status i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--orange);
}

.login-card h1 {
    margin: 24px 0 12px;
    font-size: 38px;
    line-height: 1.04;
    letter-spacing: -0.05em;
}

.login-card p {
    margin: 0 0 28px;
    color: var(--muted);
}

.button-wide {
    width: 100%;
}

.login-note {
    margin: 18px 0 0;
    color: #777b86;
    font-size: 12px;
    text-align: center;
}

.login-back-link {
    display: inline-block;
    margin-top: 17px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 650;
}

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

@keyframes travel {
    0% { left: -5px; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { left: calc(100% - 2px); opacity: 0; }
}

@media (max-width: 1020px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 64px;
    }

    .hero-copy {
        max-width: 760px;
    }

    .product-preview {
        width: min(100%, 650px);
        margin-inline: auto;
    }

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

    .feature-card:last-child {
        grid-column: 1 / -1;
        min-height: 360px;
    }

    .workflow-grid,
    .security-panel {
        grid-template-columns: 1fr;
        gap: 54px;
    }

    .workflow-intro {
        position: static;
    }

    .cta-panel {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 760px) {
    .container {
        width: min(calc(100% - 32px), var(--container));
    }

    .header-inner {
        min-height: 68px;
    }

    .main-nav {
        display: none;
    }

    .header-login {
        min-height: 38px;
        padding-inline: 15px;
    }

    .hero {
        min-height: auto;
        padding: 68px 0 82px;
    }

    .hero-grid {
        gap: 52px;
    }

    .hero h1 {
        font-size: clamp(47px, 14vw, 68px);
    }

    .hero-lead {
        font-size: 17px;
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 20px;
    }

    .product-preview {
        padding: 18px;
        transform: none;
    }

    .flow {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .flow-service {
        min-height: 72px;
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }

    .flow-line {
        width: 1px;
        height: 16px;
        margin-left: 35px;
    }

    .flow-line::after {
        display: none;
    }

    .flow-line span {
        display: none;
    }

    .lead-time {
        display: none;
    }

    .preview-stats {
        grid-template-columns: 1fr;
    }

    .trust-grid,
    .section-heading,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .trust-grid p {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        text-align: left;
    }

    .trust-grid p:last-child {
        border-bottom: 0;
    }

    .section {
        padding: 82px 0;
    }

    .section-heading {
        gap: 24px;
    }

    .feature-card,
    .feature-card:last-child {
        min-height: 390px;
        grid-column: auto;
    }

    .steps li {
        grid-template-columns: 48px 1fr;
        gap: 16px;
    }

    .step-index {
        width: 42px;
        height: 42px;
    }

    .security-panel,
    .cta-panel {
        padding: 38px 26px;
        border-radius: 23px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .login-card {
        padding: 36px 25px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}