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

:root {
    --magenta: #E7005B;
    --magenta-dark: #B8004A;
    --magenta-darker: #8A0037;
    --magenta-light: #FF4D8D;
    --magenta-tint: #FFE5F0;
    --magenta-subtle: #FFF0F6;
    --white: #FFFFFF;
    --surface-gray: #F9FAFB;
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    --text-secondary: #6B7280;
    --text-disabled: #9CA3AF;
    --text-primary: #111827;
    --success: #16A34A;
    --font-head: 'Syne', sans-serif;
    --font-body: 'DM Mono', monospace;
    --radius: 16px;
    --radius-sm: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--white);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== LANGUAGE SWITCHER ===== */
[data-lang] {
    display: none;
}

body.lang-ru [data-lang="ru"],
body.lang-kz [data-lang="kz"],
body.lang-en [data-lang="en"] {
    display: block;
}

span[data-lang] {
    display: none;
}

body.lang-ru span[data-lang="ru"],
body.lang-kz span[data-lang="kz"],
body.lang-en span[data-lang="en"] {
    display: inline;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    padding: 0 40px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.navbar-logo .logo-wordmark {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 22px;
    color: var(--magenta);
    letter-spacing: -0.5px;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.lang-switcher {
    display: flex;
    gap: 4px;
    background: var(--surface-gray);
    border-radius: 8px;
    padding: 4px;
}

.lang-btn {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    padding: 5px 12px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.lang-btn.active {
    background: var(--white);
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.btn-nav {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 24px;
    background: var(--magenta);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s;
    white-space: nowrap;
}

.btn-nav:hover {
    background: var(--magenta-dark);
    transform: translateY(-1px);
}

/* ===== HERO ===== */
.hero {
    padding-top: 72px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #FFE5F0;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
}

.hero-title {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--magenta);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 480px;
}

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

.btn-primary {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    padding: 16px 32px;
    background: var(--magenta);
    color: var(--white);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(231, 0, 91, 0.3);
}

.btn-primary:hover {
    background: var(--magenta-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(231, 0, 91, 0.35);
}

.btn-primary svg {
    transition: transform 0.2s;
}

.btn-primary:hover svg {
    transform: translateX(3px);
}

.hero-note {
    font-size: 13px;
    color: var(--text-disabled);
}

.hero-visual {
    position: relative;
}

.hero-screen-image {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-screen-image img {
    max-width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}

.hero-stats {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--white);
    border-radius: 14px;
    padding: 16px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-stats-icon {
    width: 40px;
    height: 40px;
    background: var(--magenta-tint);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-stats-icon svg {
    color: var(--magenta);
}

.hero-stats-text .num {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 20px;
    color: var(--text-primary);
}

.hero-stats-text .lbl {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== SECTION COMMON ===== */
section {
    padding: 96px 40px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--magenta);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.15;
    letter-spacing: -1px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-sub {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 560px;
    line-height: 1.7;
}

/* ===== FEATURES ===== */
.features {
    background: var(--white);
}

.features-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 64px;
    gap: 40px;
}

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

.feature-card {
    background: var(--surface-gray);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border-light);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    border-color: rgba(231, 0, 91, 0.25);
    box-shadow: 0 8px 32px rgba(231, 0, 91, 0.08);
    transform: translateY(-3px);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--magenta) 0%, var(--magenta-dark) 100%);
    border-color: transparent;
    color: var(--white);
}

.feature-card.featured .feature-title,
.feature-card.featured .feature-text {
    color: var(--white);
}

.feature-card.featured .feature-text {
    opacity: 0.85;
}

.feature-card.featured .feature-icon-wrap {
    background: rgba(255, 255, 255, 0.15);
}

.feature-card.featured .feature-icon-wrap svg {
    color: var(--white);
}

.feature-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--magenta-tint);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon-wrap svg {
    color: var(--magenta);
}

.feature-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.feature-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-tag {
    display: inline-block;
    margin-top: 20px;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    color: var(--white);
}

/* ===== HOW IT WORKS ===== */
.how {
    background: var(--surface-gray);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 64px;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(12.5% + 28px);
    right: calc(12.5% + 28px);
    height: 2px;
    background: linear-gradient(90deg, var(--magenta) 0%, var(--magenta-light) 100%);
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.step-num {
    width: 56px;
    height: 56px;
    background: var(--magenta);
    color: var(--white);
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 4px 16px rgba(231, 0, 91, 0.3);
    position: relative;
}

.step-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--magenta);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.step-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.3;
}

.step-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== FOR WHOM ===== */
.for-whom {
    background: var(--white);
}

.segments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 56px;
}

.segment-card {
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    cursor: default;
}

.segment-card:hover {
    border-color: var(--magenta);
    box-shadow: 0 4px 20px rgba(231, 0, 91, 0.1);
    transform: translateY(-2px);
}

.segment-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--magenta-tint);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.segment-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.segment-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.segment-card .segment-list {
    list-style: none;
    padding: 0;
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.segment-card .segment-list li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 4px;
}

.segment-card .segment-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--magenta);
}

.segment-card .segment-target {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
    opacity: 0.9;
}

/* ===== INTEGRATIONS ===== */
.integrations {
    background: var(--text-primary);
}

.integrations .section-label {
    color: var(--magenta-light);
}

.integrations .section-title {
    color: var(--white);
}

.integrations .section-sub {
    color: rgba(255, 255, 255, 0.6);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 56px;
}

.integration-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px;
    transition: background 0.2s, border-color 0.2s;
}

.integration-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(231, 0, 91, 0.4);
}

.integration-logo {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 20px;
    color: var(--white);
    margin-bottom: 8px;
}

.integration-role {
    font-size: 12px;
    color: var(--magenta-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.integration-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* ===== FAQ ===== */
.faq {
    background: var(--surface-gray);
}

.faq-list {
    margin-top: 56px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item.open {
    border-color: rgba(231, 0, 91, 0.3);
}

.faq-q {
    width: 100%;
    background: none;
    border: none;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    transition: color 0.2s;
}

.faq-item.open .faq-q {
    color: var(--magenta);
}

.faq-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--surface-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.3s;
}

.faq-item.open .faq-icon {
    background: var(--magenta-tint);
    transform: rotate(45deg);
}

.faq-icon svg {
    color: var(--text-secondary);
}

.faq-item.open .faq-icon svg {
    color: var(--magenta);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    padding: 0 28px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.open .faq-a {
    max-height: 300px;
    padding: 0 28px 24px;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--magenta) 0%, var(--magenta-darker) 100%);
    padding: 96px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section .section-title {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section .section-sub {
    color: rgba(255, 255, 255, 0.75);
    margin: 0 auto 40px;
}

.btn-white {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    padding: 16px 36px;
    background: var(--white);
    color: var(--magenta);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

/* ===== FOOTER ===== */
footer {
    background: var(--text-primary);
    padding: 64px 40px 40px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo-wordmark {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 22px;
    color: var(--white);
    display: block;
    margin-bottom: 12px;
}

.footer-brand .tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    max-width: 260px;
}

.footer-col-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 14px;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-requisites {
    margin-top: 20px;
    font-family: var(--font-head);
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.footer-requisites p {
    margin: 0 0 6px 0;
}

.footer-requisites p:last-child {
    margin-bottom: 0;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 12px;
}

/* ===== CTA MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}

.modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.modal-cta {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    max-width: 440px;
    width: 100%;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    position: relative;
    transform: scale(0.95);
    transition: transform 0.25s;
}

.modal-overlay.is-open .modal-cta {
    transform: scale(1);
}

.modal-cta-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--surface-gray);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background 0.2s, color 0.2s;
}

.modal-cta-close:hover {
    background: var(--border-light);
    color: var(--text-primary);
}

.modal-cta-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-right: 40px;
}

.modal-cta .form-group {
    margin-bottom: 20px;
}

.modal-cta .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.modal-cta .form-group input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 16px;
    padding: 14px 16px;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.modal-cta .form-group input::placeholder {
    color: var(--text-disabled);
}

.modal-cta .form-group input:focus {
    outline: none;
    border-color: var(--magenta);
    box-shadow: 0 0 0 3px var(--magenta-tint);
}

.modal-cta .btn-submit {
    width: 100%;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    padding: 16px;
    background: var(--magenta);
    color: var(--white);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: 8px;
}

.modal-cta .btn-submit:hover {
    background: var(--magenta-dark);
    transform: translateY(-1px);
}

.modal-cta-success {
    display: none;
    text-align: center;
    padding: 20px 0 0;
}

.modal-cta.is-success .modal-cta-form-wrap {
    display: none;
}

.modal-cta.is-success .modal-cta-success {
    display: block;
}

.modal-cta-success-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--success);
    color: var(--white);
    font-size: 28px;
    font-weight: bold;
    line-height: 56px;
    border-radius: 50%;
}

.modal-cta-success-text {
    font-size: 17px;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .navbar {
        padding: 0 20px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 60px 20px;
    }

    .hero-visual {
        display: none;
    }

    section {
        padding: 64px 20px;
    }

    .features-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .steps::before {
        display: none;
    }

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

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .navbar-right .btn-nav {
        display: none;
    }

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

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