/* =========================================================
   OOKE Messenger — Landing (chat.ooke.ru)
   Editorial / Bold Typography
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
    --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

    --color-bg: #FFFFFF;
    --color-bg-soft: #F5F2EC;
    --color-bg-dark: #0A0A0A;
    --color-ink: #0A0A0A;
    --color-ink-soft: #4A4A4A;
    --color-ink-muted: #8A8A8A;
    --color-line: #E8E5E0;
    --color-line-strong: #D8D5D0;
    --color-accent: #6C5CE7;
    --color-accent-soft: #A29BFE;
    --color-success: #10B981;
    --gradient-accent: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
    --gradient-soft: linear-gradient(180deg, #F5F2EC 0%, #FFFFFF 100%);

    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 28px;

    --shadow-sm: 0 1px 2px rgba(10, 10, 10, 0.04), 0 1px 3px rgba(10, 10, 10, 0.06);
    --shadow-md: 0 4px 16px rgba(10, 10, 10, 0.06), 0 2px 6px rgba(10, 10, 10, 0.04);
    --shadow-lg: 0 24px 60px rgba(10, 10, 10, 0.12), 0 8px 20px rgba(10, 10, 10, 0.06);

    --container: 1200px;
    --container-narrow: 880px;
    --pad: clamp(20px, 5vw, 64px);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.55;
    color: var(--color-ink);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin: 0;
    color: var(--color-ink);
}

h1 {
    font-size: clamp(44px, 6.2vw, 88px);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(38px, 5.5vw, 72px);
    letter-spacing: -0.025em;
}

h3 {
    font-size: clamp(26px, 3vw, 38px);
}

h4 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

p { margin: 0; }

.acc {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.lead {
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.5;
    color: var(--color-ink-soft);
    max-width: 620px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 20px;
}
.eyebrow::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--color-accent);
}

/* ---------- Layout ---------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--pad);
}

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

section {
    padding: clamp(72px, 10vw, 140px) 0;
    position: relative;
}

section + section {
    border-top: 1px solid var(--color-line);
}

.section-head {
    max-width: 780px;
    margin: 0 auto clamp(40px, 6vw, 80px);
    text-align: center;
}

.section-head.left {
    text-align: left;
    margin-left: 0;
}

.section-head p {
    margin-top: 20px;
    color: var(--color-ink-soft);
    font-size: clamp(17px, 1.5vw, 20px);
    line-height: 1.55;
}

/* ---------- Language switch ---------- */
.lang-switch {
    display: inline-flex;
    gap: 4px;
    margin-top: 28px;
    padding: 4px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-line);
    border-radius: 999px;
}
.lang-switch button {
    border: 0;
    background: transparent;
    padding: 8px 16px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink-muted);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s var(--ease), color 0.15s var(--ease);
    white-space: nowrap;
}
.lang-switch button:hover {
    color: var(--color-ink);
}
.lang-switch button[aria-selected="true"] {
    background: var(--color-ink);
    color: var(--color-bg);
}

[data-active-lang="simple"] [data-lang="tech"]:not(button),
[data-active-lang="tech"] [data-lang="simple"]:not(button) {
    display: none !important;
}

.feature-flow {
    margin-top: 20px;
    padding: 20px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-line);
    border-radius: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}
.feature-flow-step {
    font-size: 14px;
    color: var(--color-ink);
    font-weight: 500;
    padding: 6px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: 8px;
}
.feature-flow-arrow {
    color: var(--color-accent);
    font-size: 16px;
    font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.005em;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
    white-space: nowrap;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--color-ink);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(108, 92, 231, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--color-ink);
    border: 1px solid var(--color-line-strong);
}
.btn-ghost:hover {
    background: var(--color-ink);
    color: #fff;
    border-color: var(--color-ink);
}

.btn-gradient {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.3);
}
.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(108, 92, 231, 0.4);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 14px;
}

.btn-lg {
    padding: 20px 36px;
    font-size: 17px;
}

.btn .arrow {
    display: inline-block;
    transition: transform 0.2s var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: saturate(1.2) blur(14px);
    -webkit-backdrop-filter: saturate(1.2) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.site-header.scrolled {
    border-color: var(--color-line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 24px;
    line-height: 1;
    color: var(--color-ink);
}
.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--gradient-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-display);
    font-size: 18px;
    line-height: 1;
}
.logo-text .light { color: var(--color-ink-muted); font-style: italic; }

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav a {
    font-size: 15px;
    color: var(--color-ink-soft);
    transition: color 0.15s var(--ease);
}
.nav a:hover { color: var(--color-ink); }

.header-cta { display: inline-flex; }

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--color-line);
    align-items: center;
    justify-content: center;
    color: var(--color-ink);
}

.menu-toggle svg { width: 20px; height: 20px; }

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 49;
    background: #fff;
    padding: 100px var(--pad) 40px;
    transform: translateY(-100%);
    transition: transform 0.3s var(--ease);
    overflow-y: auto;
}
.mobile-nav.open { transform: translateY(0); }
.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.mobile-nav a {
    display: block;
    padding: 16px 0;
    font-family: var(--font-display);
    font-size: 32px;
    border-bottom: 1px solid var(--color-line);
}
.mobile-nav .btn { margin-top: 32px; width: 100%; }

/* ---------- Hero ---------- */
.hero {
    padding-top: calc(clamp(72px, 10vw, 80px) + 40px);
    padding-bottom: clamp(72px, 10vw, 80px);
    background: var(--gradient-soft);
    border-top: 0;
    overflow: hidden;
}

.hero-content {
    min-width: 0;
    max-width: 1000px;
}

.hero-pilot-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--color-line-strong);
    background: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    color: var(--color-ink-soft);
}
.hero-pilot-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
    animation: pulse 2s var(--ease) infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15); }
    50% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero h1 { margin-bottom: 28px; }

.hero .lead { margin-bottom: 40px; font-size: clamp(18px, 1.8vw, 22px); }

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 36px;
    padding-top: 32px;
    border-top: 1px solid var(--color-line);
    color: var(--color-ink-muted);
    font-size: 14px;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { color: var(--color-accent); }

/* ---------- Pain Section (editorial) ---------- */
.pain {
    background: var(--color-bg);
}
.pain-list {
    display: grid;
    gap: clamp(56px, 8vw, 96px);
}
.pain-item {
    max-width: 920px;
    font-family: var(--font-display);
    font-size: clamp(32px, 4.5vw, 56px);
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.pain-item em {
    font-style: italic;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.pain-item:nth-child(2) {
    margin-left: auto;
    text-align: right;
}
.pain-item .num {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-style: normal;
    color: var(--color-ink-muted);
    vertical-align: top;
    margin-right: 12px;
    letter-spacing: 0.08em;
    transform: translateY(6px);
}
.pain-item .note {
    display: block;
    margin-top: 16px;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-ink-soft);
    font-style: normal;
    max-width: 520px;
    letter-spacing: 0.1px;
}
.pain-item:nth-child(2) .note { margin-left: auto; }

/* ---------- Live Demo ---------- */
.demo {
    background: var(--color-bg-soft);
}
.demo-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
}
.demo-hints {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}
.demo-hint {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    font-size: 15px;
    color: var(--color-ink);
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
    text-align: left;
    width: 100%;
    cursor: pointer;
}
.demo-hint:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-soft);
}
.demo-hint .ic {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 18px;
}
.demo-hint .arrow {
    margin-left: auto;
    color: var(--color-ink-muted);
    transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}
.demo-hint:hover .arrow { transform: translateX(4px); color: var(--color-accent); }

.demo-stage {
    position: relative;
    aspect-ratio: 3 / 4;
    max-width: 460px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    text-align: center;
    overflow: hidden;
}
.demo-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(108, 92, 231, 0.08), transparent 60%);
    pointer-events: none;
}
.demo-stage-content {
    position: relative;
    z-index: 1;
}
.demo-stage h3 {
    font-family: var(--font-display);
    font-size: 38px;
    line-height: 1.05;
    margin-bottom: 16px;
}
.demo-stage p {
    color: var(--color-ink-soft);
    margin-bottom: 24px;
}
.demo-stage .demo-arrow-down {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--color-ink);
    color: #fff;
    border: 0;
    border-radius: 999px;
    font-size: 13px;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    cursor: pointer;
    animation: nudge 2.4s ease-in-out infinite;
}
@keyframes nudge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}
.demo-stage .demo-arrow-down svg {
    width: 14px;
    height: 14px;
}

/* ---------- Features ---------- */
.features {
    background: var(--color-bg);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.feature {
    padding: 40px;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.feature:hover {
    border-color: var(--color-ink);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.feature-ic {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--color-bg-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-accent);
}
.feature-ic svg { width: 26px; height: 26px; }
.feature h3 {
    font-family: var(--font-display);
    font-size: 32px;
    margin-bottom: 12px;
}
.feature p {
    color: var(--color-ink-soft);
    line-height: 1.55;
    margin-bottom: 20px;
}
.feature-code {
    margin: 0;
    padding: 14px 16px;
    background: var(--color-bg-dark);
    color: #E9E7E3;
    font-family: var(--font-mono);
    font-size: 12px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    line-height: 1.55;
}
.feature-code .k { color: #C4B5FD; }
.feature-code .s { color: #FDE68A; }
.feature-code .c { color: #6B7280; font-style: italic; }

.feature-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}
.feature-chips span {
    padding: 6px 12px;
    background: var(--color-bg-soft);
    border-radius: 999px;
    font-size: 13px;
    color: var(--color-ink-soft);
}

/* ---------- How It Works ---------- */
.how {
    background: var(--color-bg-soft);
}
.steps {
    display: grid;
    gap: 24px;
    margin-bottom: 56px;
}
.step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    padding: 36px 40px;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    align-items: start;
}
.step-num {
    font-family: var(--font-display);
    font-size: 64px;
    line-height: 1;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.step h3 {
    font-family: var(--font-display);
    font-size: 28px;
    margin-bottom: 10px;
}
.step p {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.55;
}

.embed-block {
    background: var(--color-bg-dark);
    border-radius: var(--radius);
    padding: 28px 32px;
    color: #E9E7E3;
    position: relative;
}
.embed-block h4 {
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 500;
}
.embed-block pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre;
}
.embed-block .k { color: #C4B5FD; }
.embed-block .s { color: #FDE68A; }
.embed-block .t { color: #93C5FD; }

.copy-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    transition: background 0.15s var(--ease);
}
.copy-btn:hover { background: rgba(255, 255, 255, 0.2); }
.copy-btn.copied { background: var(--color-success); }

/* ---------- Cases ---------- */
.cases {
    background: var(--color-bg);
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.case-card {
    padding: 32px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-decoration: none;
    color: inherit;
    background: var(--color-bg);
    transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.case-card:hover {
    border-color: var(--color-line-strong);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -20px rgba(10, 10, 10, 0.12);
}
.case-tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: var(--gradient-accent);
    border-radius: 999px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.case-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.case-brand .logo-mark-sm {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-bg-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-family: var(--font-display);
    font-size: 20px;
    flex-shrink: 0;
}
.case-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.case-brand-name {
    font-family: var(--font-display);
    font-size: 24px;
    line-height: 1.15;
    color: var(--color-ink);
    letter-spacing: -0.02em;
}
.case-domain {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-ink-muted);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.case-domain-arrow {
    font-size: 12px;
    transition: transform 0.2s var(--ease);
}
.case-card:hover .case-domain-arrow {
    transform: translate(2px, -2px);
    color: var(--color-accent);
}
.case-desc {
    color: var(--color-ink-soft);
    font-size: 15px;
    line-height: 1.55;
    margin: 0;
}
.case-result {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--color-line);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.case-result-title {
    font-family: var(--font-display);
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: -0.01em;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.case-result-detail {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-ink-muted);
}

.cases-note {
    margin-top: 40px;
    text-align: center;
    font-size: 14px;
    color: var(--color-ink-muted);
    font-style: italic;
}

/* ---------- Services (Turnkey) ---------- */
.services {
    background: var(--color-bg-soft);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.service-card {
    position: relative;
    padding: 40px;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.service-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: var(--radius) var(--radius) 0 0;
    opacity: 0;
    transition: opacity 0.2s var(--ease);
}
.service-card:hover {
    border-color: var(--color-line-strong);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -20px rgba(10, 10, 10, 0.1);
}
.service-card:hover::before {
    opacity: 1;
}
.service-head {
    display: flex;
    align-items: center;
    gap: 16px;
}
.service-ic {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-bg-soft);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.service-ic svg {
    width: 24px;
    height: 24px;
}
.service-card h3 {
    font-family: var(--font-display);
    font-size: 28px;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0;
}
.service-desc {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.55;
    margin: 0;
}
.service-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.service-points li {
    position: relative;
    padding-left: 28px;
    color: var(--color-ink);
    font-size: 15px;
    line-height: 1.5;
}
.service-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.service-points-split li {
    padding-left: 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.service-points-split li::before {
    display: none;
}
.service-points-split .tag {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    line-height: 1.4;
    margin-top: 1px;
}
.tag-free {
    color: #fff;
    background: var(--gradient-accent);
}
.tag-custom {
    color: var(--color-ink);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-line-strong);
}
.tag-fair {
    color: var(--color-ink-muted);
    background: transparent;
    border: 1px solid var(--color-line-strong);
}
.service-card .btn {
    margin-top: auto;
    align-self: flex-start;
}

/* ---------- Pricing ---------- */
.pricing {
    background: var(--color-bg-soft);
}
.pricing-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: var(--color-ink);
    color: #fff;
    border-radius: 999px;
    font-size: 14px;
    margin-bottom: 24px;
}
.pricing-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.plan {
    display: flex;
    flex-direction: column;
    padding: 40px;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    position: relative;
}
.plan.featured {
    border-color: var(--color-ink);
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}
.plan-label {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-accent);
    color: #fff;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.plan-name {
    font-family: var(--font-display);
    font-size: 32px;
    margin-bottom: 8px;
}
.plan-desc {
    color: var(--color-ink-soft);
    font-size: 15px;
    margin-bottom: 10px;
    min-height: 48px;
}
.plan-price {
    font-family: var(--font-display);
    font-size: 48px;
    line-height: 1;
    margin-bottom: 6px;
}
.plan-price .suffix { font-size: 18px; color: var(--color-ink-muted); margin-left: 4px; }
.plan-price-from { font-size: 14px; color: var(--color-ink-muted); display: block; margin-bottom: 28px; }

.plan-features {
    list-style: none;
    margin: 0 0 36px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}
.plan-features li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 15px;
    line-height: 1.45;
}
.plan-features li::before {
    content: "";
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-bg-soft);
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10l3 3 7-7' stroke='%236C5CE7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
    background-size: contain;
    background-position: center;
    margin-top: 2px;
}
.plan .btn { width: 100%; }

/* ---------- FAQ ---------- */
.faq {
    background: var(--color-bg);
}
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    border-top: 1px solid var(--color-line);
}
.faq-item {
    border-bottom: 1px solid var(--color-line);
}
.faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 28px 0;
    text-align: left;
    font-family: var(--font-display);
    font-size: clamp(22px, 2.4vw, 28px);
    line-height: 1.2;
    color: var(--color-ink);
    cursor: pointer;
    transition: color 0.15s var(--ease);
}
.faq-q:hover { color: var(--color-accent); }
.faq-q .plus {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-bg-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background 0.2s var(--ease);
}
.faq-q .plus::before, .faq-q .plus::after {
    content: "";
    position: absolute;
    background: var(--color-ink);
    transition: transform 0.25s var(--ease);
}
.faq-q .plus::before { width: 12px; height: 2px; }
.faq-q .plus::after { width: 2px; height: 12px; }
.faq-item.open .faq-q .plus { background: var(--color-ink); }
.faq-item.open .faq-q .plus::before, .faq-item.open .faq-q .plus::after { background: #fff; }
.faq-item.open .faq-q .plus::after { transform: rotate(90deg); }

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease);
}
.faq-a-inner {
    padding: 0 0 28px;
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.65;
    max-width: 680px;
}
.faq-a-inner a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ---------- CTA + Form ---------- */
.cta {
    background: var(--color-bg-dark);
    color: #fff;
}
.cta h2 { color: #fff; max-width: 900px; margin-bottom: 24px; }
.cta .section-head p { color: rgba(255, 255, 255, 0.65); }

.cta-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 5vw, 80px);
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

.cta-pitch h2 {
    font-size: clamp(40px, 5vw, 68px);
}
.cta-pitch .lead { color: rgba(255, 255, 255, 0.65); margin-bottom: 32px; }
.cta-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.cta-points li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
}
.cta-points li::before {
    content: "";
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient-accent);
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10l3 3 7-7' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 2px;
}

/* Form */
.lead-form {
    padding: 40px;
    background: #fff;
    color: var(--color-ink);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.lead-form h3 {
    font-family: var(--font-display);
    font-size: 32px;
    margin-bottom: 8px;
}
.lead-form .form-intro {
    color: var(--color-ink-soft);
    font-size: 15px;
    margin-bottom: 28px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-row label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink-soft);
}
.form-row input, .form-row select, .form-row textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    color: var(--color-ink);
    background: #fff;
    transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}
.form-row textarea { min-height: 100px; resize: vertical; }
.form-row.hp { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.form-actions { margin-top: 24px; }
.form-actions .btn { width: 100%; }

.form-consent {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-ink-muted);
    line-height: 1.5;
}
.form-consent a { text-decoration: underline; text-underline-offset: 2px; }

.form-success, .form-error {
    margin-top: 18px;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.5;
    display: none;
}
.form-success {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}
.form-error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}
.form-success.show, .form-error.show { display: block; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 56px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 28px;
}
.footer-brand { max-width: 380px; }
.footer-brand .logo { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.6; }

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 56px;
}
.footer-links h5 {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0 14px;
}
.footer-links ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    transition: color 0.15s var(--ease);
}
.footer-links a:hover { color: #fff; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ---------- Utilities ---------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .nav { display: none; }
    .header-cta { display: none; }
    .menu-toggle { display: inline-flex; }

    .demo-grid { grid-template-columns: 1fr; }
    .demo-grid > div:first-child { order: 2; }

    .features-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .plan.featured { transform: none; }

    .cta-layout { grid-template-columns: 1fr; }

    .step { grid-template-columns: 1fr; gap: 12px; padding: 28px; }
    .step-num { font-size: 48px; }

    .pain-item { font-size: 32px; }
    .pain-item:nth-child(2) { text-align: left; margin-left: 0; }
    .pain-item:nth-child(2) .note { margin-left: 0; }
}

@media (max-width: 600px) {
    .hero { padding-top: 120px; }
    .feature { padding: 28px; }
    .lead-form { padding: 28px; }
    .plan { padding: 28px; }
    .case-card { padding: 28px; }
    .service-card { padding: 28px; }
    .service-card h3 { font-size: 24px; }
    .lang-switch { flex-direction: column; width: 100%; border-radius: 16px; }
    .lang-switch button { width: 100%; }
    .hero-ctas .btn { width: 100%; }
    .hero-ctas { flex-direction: column; }
    .footer-top { flex-direction: column; }
}

/* Skip link for a11y */
.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(-100%);
    background: var(--color-ink);
    color: #fff;
    padding: 10px 16px;
    z-index: 100;
    transition: transform 0.2s;
}
.skip-link:focus { transform: translateY(0); }

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}