/* ============================================================
   MKOHub — perform­ance marketing landing
   Palette committed: deep blue-indigo ground, lime accent, coral accent-2
   ============================================================ */

:root {
    --ground: #FBFBFD;
    --ground-2: #F2F4F9;
    --panel: #FFFFFF;
    --line: #E2E6F0;
    --text: #0F1830;
    --muted: #5F6B86;
    --accent: #2B4DF0;
    --accent-2: #FF5C45;

    --display: "Space Grotesk", system-ui, sans-serif;
    --body: "Inter", system-ui, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;

    --maxw: 1140px;
    --radius: 14px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--body);
    color: var(--text);
    background: var(--ground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: var(--display);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin: 0;
}

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

img, canvas {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 24px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--accent);
    color: #FFFFFF;
    padding: 10px 16px;
    z-index: 100;
}
.skip-link:focus {
    left: 12px;
    top: 12px;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--display);
    font-weight: 500;
    font-size: 0.98rem;
    letter-spacing: -0.01em;
    padding: 14px 24px;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s;
}
.btn:hover {
    transform: translateY(-2px);
}
.btn-accent {
    background: var(--accent);
    color: #FFFFFF;
}
.btn-accent:hover {
    background: #1f3ad6;
}
.btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--text);
}
.btn-ghost:hover {
    border-color: var(--accent);
}
.btn-block {
    width: 100%;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 18px;
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(251, 251, 253, 0.82);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 70px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.03em;
}
.brand-mark {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: var(--accent);
    box-shadow: 0 0 18px rgba(43, 77, 240, 0.4);
}
.nav {
    display: flex;
    gap: 26px;
    margin-left: auto;
    font-size: 0.95rem;
    color: var(--muted);
}
.nav a {
    transition: color 0.2s;
}
.nav a:hover {
    color: var(--text);
}
.nav-cta {
    padding: 10px 18px;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    padding: 6px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: clamp(56px, 9vw, 120px) 0 clamp(60px, 8vw, 110px);
    background:
        radial-gradient(900px 500px at 85% -10%, rgba(43, 77, 240, 0.08), transparent 60%),
        radial-gradient(700px 500px at 0% 30%, rgba(255, 92, 69, 0.06), transparent 55%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(36px, 5vw, 72px);
    align-items: center;
}
.hero h1 {
    font-size: clamp(2.4rem, 5.4vw, 4.2rem);
    font-weight: 700;
}
.lede {
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 38ch;
    margin: 22px 0 30px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.hero-note {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--muted);
    margin-top: 22px;
}

/* ---------- Dashboard panel ---------- */
.dashboard {
    background: linear-gradient(160deg, var(--panel), var(--ground-2));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: 0 24px 60px -28px rgba(15, 24, 48, 0.28);
}
.dash-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--muted);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}
.dash-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 0 rgba(43, 77, 240, 0.5);
    animation: pulse 2.4s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(43, 77, 240, 0.45); }
    70% { box-shadow: 0 0 0 9px rgba(43, 77, 240, 0); }
    100% { box-shadow: 0 0 0 0 rgba(43, 77, 240, 0); }
}
.dash-period {
    margin-left: auto;
}
.dash-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding: 20px 0;
}
.metric {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.metric-label {
    font-size: 0.78rem;
    color: var(--muted);
}
.metric-value {
    font-family: var(--mono);
    font-weight: 700;
    font-size: 1.7rem;
    letter-spacing: -0.02em;
}
.metric-value.accent {
    color: var(--accent);
}
.dash-chart {
    width: 100%;
    height: auto;
    border-radius: 8px;
}
.dash-foot {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--muted);
    opacity: 0.7;
    margin: 12px 0 0;
}

/* ---------- Platforms strip ---------- */
.platforms {
    border-block: 1px solid var(--line);
    background: var(--ground-2);
}
.platforms-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px 32px;
    padding-block: 22px;
}
.platforms-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--muted);
}
.platforms-list {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 30px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--display);
    font-weight: 500;
    color: var(--text);
}

/* ---------- Generic section ---------- */
.section-head {
    max-width: 720px;
    margin-bottom: 52px;
}
.section-head h2 {
    font-size: clamp(1.8rem, 3.6vw, 2.7rem);
}
.section-sub {
    color: var(--muted);
    margin-top: 14px;
}

.channels,
.process,
.results {
    padding-block: clamp(64px, 9vw, 110px);
}
.process {
    background: var(--ground-2);
}

/* ---------- Channels ---------- */
.channel-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.channel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px;
    transition: transform 0.3s var(--ease), border-color 0.3s;
}
.channel:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
}
.channel-tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--accent);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 4px 9px;
    margin-bottom: 18px;
}
.channel h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}
.channel p {
    color: var(--muted);
    margin: 0 0 18px;
}
.channel-points {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.93rem;
}
.channel-points li {
    position: relative;
    padding-left: 22px;
    color: var(--text);
}
.channel-points li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--mono);
}

/* ---------- Process ---------- */
.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.step {
    border-top: 2px solid var(--line);
    padding-top: 20px;
    transition: border-color 0.3s;
}
.step:hover {
    border-color: var(--accent);
}
.step-no {
    font-family: var(--mono);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--accent);
}
.step h3 {
    font-size: 1.18rem;
    margin: 12px 0 8px;
}
.step p {
    color: var(--muted);
    font-size: 0.94rem;
    margin: 0;
}

/* ---------- Results ---------- */
.case-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.case {
    background: linear-gradient(165deg, var(--panel), var(--ground-2));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px;
}
.case-channel {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    color: var(--accent-2);
    margin-bottom: 18px;
}
.case-stat {
    font-family: var(--mono);
    font-weight: 700;
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    line-height: 1;
    margin: 0;
    color: var(--accent);
}
.case-label {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 8px 0 16px;
}
.case-desc {
    color: var(--text);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- Contact ---------- */
.contact {
    padding-block: clamp(64px, 9vw, 110px);
    background:
        radial-gradient(700px 400px at 90% 110%, rgba(43, 77, 240, 0.07), transparent 60%);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(36px, 6vw, 80px);
    align-items: start;
}
.contact-copy h2 {
    font-size: clamp(1.9rem, 3.6vw, 2.8rem);
    margin-bottom: 16px;
}
.contact-info {
    list-style: none;
    margin: 32px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-info li {
    display: flex;
    gap: 14px;
    align-items: baseline;
    border-top: 1px solid var(--line);
    padding-top: 14px;
}
.ci-label {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--muted);
    min-width: 80px;
}
.contact-info a:hover {
    color: var(--accent);
}

.contact-form {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.field label {
    font-size: 0.84rem;
    color: var(--muted);
}
.field input,
.field select,
.field textarea {
    font-family: var(--body);
    font-size: 1rem;
    color: var(--text);
    background: var(--ground);
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 12px 14px;
    transition: border-color 0.2s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
    outline: none;
}
.field textarea {
    resize: vertical;
}
.form-status {
    font-family: var(--mono);
    font-size: 0.85rem;
    margin: 0;
    min-height: 1.2em;
}
.form-status.ok {
    color: var(--accent);
}
.form-status.err {
    color: var(--accent-2);
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line);
    background: var(--ground-2);
}
.footer-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-block: 30px;
}
.brand-sm {
    font-size: 1rem;
}
.footer-copy {
    color: var(--muted);
    font-size: 0.88rem;
    margin: 0;
}
.footer-nav {
    display: flex;
    gap: 20px;
    margin-left: auto;
    color: var(--muted);
    font-size: 0.9rem;
}
.footer-nav a:hover {
    color: var(--text);
}

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in {
    opacity: 1;
    transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
    .hero-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .channel-list,
    .case-list {
        grid-template-columns: 1fr;
    }
    .steps {
        grid-template-columns: 1fr 1fr;
    }
    .nav,
    .nav-cta {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav.open {
        display: flex;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--ground-2);
        border-bottom: 1px solid var(--line);
        margin: 0;
    }
    .nav.open a {
        padding: 16px 24px;
        border-top: 1px solid var(--line);
    }
}
@media (max-width: 560px) {
    .steps {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}