:root {
    --bg: #06111d;
    --bg-soft: #0b1930;
    --bg-card: rgba(10, 25, 48, 0.75);
    --text: #f3f7ff;
    --muted: #a2b1c7;
    --border: rgba(108, 150, 214, 0.16);
    --primary: #20c7ff;
    --primary-2: #4de2d0;
    --white: #ffffff;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --container: 1240px;
    --transition: all 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: radial-gradient(circle at 78% 20%, rgba(37, 183, 255, 0.22), transparent 20%), radial-gradient(circle at 70% 55%, rgba(0, 201, 255, 0.14), transparent 26%), linear-gradient(180deg, #04101b 0%, #071424 100%);
    color: var(--text);
    overflow-x: hidden;
}

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

button {
    font: inherit;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(4, 13, 24, 0.7);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

    .brand-text strong {
        font-size: 17px;
    }

    .brand-text span {
        font-size: 12px;
        color: var(--muted);
    }

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

    .main-nav a {
        color: #dbe7f8;
        font-size: 15px;
        transition: var(--transition);
    }

        .main-nav a:hover {
            color: var(--primary);
        }

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.lang-switcher {
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

.lang-btn {
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
}

    .lang-btn.active {
        background: linear-gradient(135deg, var(--primary), var(--primary-2));
        color: #06111d;
        font-weight: 700;
    }

.login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.04);
    color: #f3f7ff;
    font-weight: 700;
    transition: var(--transition);
}

    .login-btn:hover {
        transform: translateY(-1px);
        border-color: rgba(32, 199, 255, 0.45);
        background: rgba(32, 199, 255, 0.08);
    }

.hero-section {
    position: relative;
    padding: 44px 0 20px;
}

.hero-world-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 75% 38%, rgba(50, 189, 255, 0.18), transparent 16%), radial-gradient(circle at 80% 55%, rgba(60, 222, 208, 0.12), transparent 20%);
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 30px;
    align-items: start;
}

.hero-content {
    max-width: 700px;
}

.hero-top-lines {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

    .hero-top-lines span {
        color: var(--primary);
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.16em;
    }

.hero-content h1 {
    margin: 0 0 20px;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 1.04;
    max-width: 700px;
}

.hero-title-slider {
    min-height: 120px;
    transition: opacity 0.45s ease, transform 0.45s ease;
    opacity: 1;
    transform: translateY(0);
}
    .hero-title-slider.fade-out {
        opacity: 0;
        transform: translateY(10px);
    }

    .hero-title-slider.fade-in {
        opacity: 1;
        transform: translateY(0);
    }

.hero-text {
    margin: 0;
    max-width: 620px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.8;
}

.hero-trust-points {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.trust-item {
    padding: 14px 18px;
    border-radius: 999px;
    border: 1px solid rgba(84, 144, 222, 0.2);
    background: rgba(9, 26, 47, 0.6);
    color: #e4eefb;
    font-size: 15px;
    box-shadow: 0 0 24px rgba(32, 199, 255, 0.08);
}

.hero-phone-wrap {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: auto;
    position: relative;
}

    .hero-phone-wrap::before {
        content: "";
        position: absolute;
        width: 520px;
        height: 520px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(32, 199, 255, 0.24) 0%, rgba(32, 199, 255, 0.08) 35%, transparent 70%);
        filter: blur(12px);
        z-index: 0;
    }

.hero-phone {
    position: relative;
    z-index: 1;
    width: min(100%, 620px);
    max-height: 760px;
    object-fit: contain;
    filter: drop-shadow(0 30px 90px rgba(0, 0, 0, 0.46));
    margin-top: -15px;
}

.trust-strip {
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
}

.trust-strip-inner {
    min-height: 82px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    align-items: center;
    text-align: center;
    color: #d8e5f6;
    font-size: 14px;
}

.section {
    padding: 90px 0;
}

.alt-section {
    background: rgba(255,255,255,0.02);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 36px;
}

    .section-heading span,
    .cta-box span {
        display: inline-block;
        margin-bottom: 14px;
        color: var(--primary);
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.18em;
    }

    .section-heading h2,
    .cta-box h2 {
        margin: 0;
        font-size: clamp(30px, 4vw, 48px);
        line-height: 1.14;
    }

.card-grid,
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card,
.step-card,
.security-item,
.cta-box {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.feature-card,
.step-card {
    padding: 24px;
}

    .feature-card h3,
    .step-card h3 {
        margin: 0 0 14px;
        font-size: 21px;
    }

    .feature-card p,
    .step-card p,
    .cta-box p {
        margin: 0;
        color: var(--muted);
        line-height: 1.75;
    }

    .step-card span {
        display: inline-flex;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        background: linear-gradient(135deg, var(--primary), var(--primary-2));
        color: #06111d;
        font-weight: 700;
    }

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

.security-item {
    padding: 22px;
    font-weight: 700;
    color: #e2edf9;
}

.cta-section {
    padding: 0 0 90px;
}

.cta-box {
    padding: 36px;
    background: radial-gradient(circle at top right, rgba(32,199,255,0.15), transparent 20%), rgba(255,255,255,0.03);
}

    .cta-box p {
        max-width: 760px;
        margin-top: 14px;
    }

.site-footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 28px 0;
    background: rgba(0, 0, 0, 0.14);
}

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

.footer-brand p {
    margin: 8px 0 0;
    max-width: 680px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    color: #d5e2f4;
}

@media (max-width: 1100px) {
    .hero-grid,
    .card-grid,
    .steps-grid,
    .security-grid,
    .trust-strip-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-phone-wrap {
        min-height: 620px;
    }

    .header-inner {
        min-height: auto;
        padding: 14px 0;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px 18px;
    }

    .brand {
        width: 100%;
    }

    .main-nav {
        flex-wrap: wrap;
        gap: 18px;
    }

    .header-actions {
        margin-left: auto;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .main-nav {
        display: none;
    }

    .hero-grid,
    .card-grid,
    .steps-grid,
    .security-grid,
    .trust-strip-inner {
        grid-template-columns: 1fr;
    }

    .header-inner {
        min-height: auto;
        padding: 10px 0 8px;
        gap: 8px;
    }

    .brand {
        width: 100%;
        justify-content: center;
        text-align: center;
        gap: 10px;
    }

    .brand-text {
        align-items: center;
    }

    .brand-logo {
        width: 58px;
        height: 58px;
    }

    .header-actions {
        width: 100%;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
        margin-top: 0;
    }

    .signup-btn,
    .login-btn {
        min-height: 42px;
        padding: 0 16px;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .hero-phone-wrap,
    .hero-world-glow {
        display: none;
    }

    .hero-section {
        padding-top: 24px;
    }
}


.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 28px 0;
    margin-top: 40px;
}



.footer-brand {
    max-width: 620px;
}

.footer-brand-top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.footer-country {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}

.footer-flag {
    width: 18px;
    height: 18px;
    object-fit: cover;
    border-radius: 50%;
}

.footer-brand p {
    margin: 0;
    opacity: 0.78;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    color: #d5e2f4;
}

    .footer-links a {
        color: inherit;
        text-decoration: none;
        opacity: 0.82;
    }

        .footer-links a:hover {
            opacity: 1;
        }

@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
    }
}

.scroll-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #06111d;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(32, 199, 255, 0.22);
    z-index: 120;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.25s ease;
}

    .scroll-to-top.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .scroll-to-top:hover {
        transform: translateY(-2px);
    }

@media (max-width: 768px) {
    .scroll-to-top {
        right: 16px;
        bottom: 16px;
        width: 46px;
        height: 46px;
        font-size: 20px;
    }
}

.signup-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #06111d;
    font-weight: 700;
    box-shadow: 0 12px 30px rgba(32, 199, 255, 0.2);
    transition: var(--transition);
}

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