:root {
    --bg: #08111f;
    --bg-soft: #111d2d;
    --card: #ffffff;
    --card-soft: #f5f8ff;
    --text: #0f172a;
    --muted: #53627c;
    --line: rgba(15, 23, 42, 0.08);
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --primary-soft: rgba(37, 99, 235, 0.12);
    --accent: #14b8a6;
    --shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: #f7f9fc;
    color: var(--text);
}

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

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

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-shell {
    min-height: 100vh;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(8, 17, 31, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: white;
}

.brand-mark {
    display: inline-flex;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-weight: 800;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.96rem;
}

.main-nav a {
    transition: opacity 0.2s ease;
}

.main-nav a:hover {
    opacity: 0.8;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.9rem 1.4rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: white;
    box-shadow: 0 18px 30px rgba(37, 99, 235, 0.28);
}

.btn-secondary,
.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    background: rgba(255, 255, 255, 0.04);
}

.large {
    padding: 1rem 1.7rem;
    font-size: 1rem;
}

.hero {
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.25), transparent 25%),
        linear-gradient(135deg, #08111f 0%, #0f1d35 100%);
    color: white;
    padding: 80px 0 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #dfe9ff;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
}

.eyebrow.secondary {
    background: var(--primary-soft);
    border-color: rgba(37, 99, 235, 0.14);
    color: var(--primary-strong);
}

.hero-copy h1 {
    margin: 20px 0 16px;
    font-size: clamp(2.4rem, 4vw, 4.2rem);
    line-height: 1.05;
    letter-spacing: -0.06em;
}

.hero-copy p {
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
    max-width: 620px;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 28px;
}

.mini-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 14px 26px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.mini-list li::before {
    content: '✓';
    margin-right: 8px;
    color: #a7f3d0;
    font-weight: 700;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.device-card {
    width: min(420px, 100%);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 28px;
    padding: 18px;
    box-shadow: var(--shadow);
}

.device-header {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
}

.device-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
}

.device-body {
    background: rgba(9, 14, 26, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 19px;
    padding: 22px 18px;
}

.stat-box {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 14px;
}

.stat-box strong {
    display: block;
    font-size: 1.3rem;
    margin-bottom: 6px;
}

.stat-box span {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

.stat-box.muted {
    background: rgba(20, 184, 166, 0.12);
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 10px;
    height: 120px;
    padding-top: 12px;
}

.chart-bars span {
    display: block;
    flex: 1;
    border-radius: 10px 10px 0 0;
    background: linear-gradient(180deg, #7dd3fc 0%, #2563eb 100%);
}

.section {
    padding: 90px 0;
}

.alt-bg {
    background: #eef4ff;
}

.section-heading {
    margin-bottom: 38px;
    text-align: center;
}

.section-heading h2 {
    margin: 14px auto 0;
    max-width: 680px;
    font-size: clamp(2rem, 3vw, 2.8rem);
    line-height: 1.2;
}

.trust-bar {
    padding: 28px 0 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 24px 18px;
}

.trust-grid div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.trust-grid strong {
    font-size: 1.6rem;
    color: var(--text);
}

.trust-grid span {
    color: var(--muted);
}

.card-grid {
    display: grid;
    gap: 22px;
}

.three-col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 28px 24px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.icon-wrap {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    background: var(--primary-soft);
    margin-bottom: 18px;
}

.feature-card h3 {
    margin: 0 0 12px;
    font-size: 1.35rem;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.step-box {
    background: white;
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 28px 24px;
}

.step-box span {
    display: inline-flex;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary-strong);
    font-weight: 800;
    margin-bottom: 18px;
}

.step-box h3 {
    margin: 0 0 10px;
    font-size: 1.28rem;
}

.step-box p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.cta-section {
    padding-top: 0;
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--bg-soft), var(--primary-strong));
    color: white;
    border-radius: 28px;
    padding: 32px 34px;
    gap: 24px;
}

.cta-box h2 {
    margin: 10px 0 0;
    font-size: clamp(1.7rem, 2vw, 2.4rem);
    max-width: 620px;
}

.site-footer {
    background: #08111f;
    color: rgba(255, 255, 255, 0.8);
    padding-top: 56px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 24px;
    padding-bottom: 30px;
}

.footer-brand {
    margin-bottom: 18px;
}

.site-footer p,
.site-footer li,
.site-footer a {
    color: rgba(255, 255, 255, 0.72);
}

.site-footer h4 {
    margin: 0 0 18px;
    color: white;
    font-size: 1rem;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0 28px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.92rem;
}

.content-page {
    padding: 90px 0;
}

.page-intro {
    padding: 68px 0 36px;
    background: linear-gradient(135deg, #0a1428 0%, #112340 100%);
    color: white;
}

.page-intro h1 {
    margin: 0 0 10px;
    font-size: clamp(2.1rem, 3vw, 3.2rem);
    letter-spacing: -0.05em;
}

.page-intro p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.04rem;
}

.page-panel {
    background: white;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.page-panel p,
.page-panel li {
    color: var(--muted);
    line-height: 1.9;
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    display: grid;
    gap: 14px;
}

.info-list li::before {
    content: '•';
    color: var(--primary-strong);
    margin-right: 10px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.price-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.price-card.featured {
    border-color: rgba(37, 99, 235, 0.25);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

.price-card h3 {
    margin: 0;
    font-size: 1.4rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0;
}

.price small {
    font-size: 1rem;
    color: var(--muted);
}

.price-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
    color: var(--muted);
}

.price-card li::before {
    content: '✓';
    color: var(--accent);
    margin-right: 10px;
    font-weight: 700;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.blog-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
}

.blog-card .blog-image {
    height: 220px;
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.blog-card .blog-body {
    padding: 22px 20px 24px;
}

.blog-card .tag {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--primary-strong);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.blog-card h3 {
    margin: 0 0 10px;
    font-size: 1.35rem;
}

.blog-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.form-box {
    max-width: 720px;
    margin: 0 auto;
    background: white;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 10px;
    color: var(--text);
    font-weight: 600;
}

input,
textarea,
button {
    font: inherit;
}

input,
textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 14px;
    background: #f8fafc;
}

textarea {
    min-height: 150px;
}

@media (max-width: 900px) {
    .hero-grid,
    .trust-grid,
    .three-col,
    .steps-grid,
    .pricing-grid,
    .blog-grid,
    .footer-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .main-nav {
        gap: 12px;
        font-size: 0.82rem;
    }

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

.lang-select-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(59,130,246,0.18), transparent 30%),
        linear-gradient(135deg, #08111f 0%, #101c30 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.lang-select-wrap {
    width: min(1180px, 100%);
}

.lang-select-panel {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 32px;
    padding: clamp(28px, 5vw, 60px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.22);
}

.lang-select-panel h1 {
    font-size: clamp(2.2rem, 4vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.06em;
    margin: 18px 0 16px;
}

.lang-select-panel p {
    max-width: 660px;
    color: rgba(255,255,255,0.82);
    line-height: 1.8;
    font-size: 1.06rem;
    margin: 0 0 28px;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.lang-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    min-height: 150px;
    padding: 28px 22px;
    border-radius: 22px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    color: white;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.lang-card:hover {
    transform: translateY(-2px);
    border-color: rgba(96, 165, 250, 0.8);
    background: rgba(59, 130, 246, 0.12);
}

.lang-card strong {
    font-size: 1.6rem;
    letter-spacing: -0.04em;
}

.lang-card span {
    color: rgba(255,255,255,0.74);
    font-size: 0.92rem;
}

.lang-card .flag {
    font-size: 2rem;
}

@media (max-width: 640px) {
    .nav-wrap {
        flex-direction: column;
        justify-content: center;
        padding: 16px 0;
        gap: 14px;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding-top: 60px;
    }

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