:root {
    --header-height: 65px;
    --bg: #070B16;
    --surface: #0D1525;
    --surface-2: #131E32;
    --surface-3: #1A2640;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.15);
    --emerald: #00C896;
    --purple: #7B61FF;
    --text: #EFF1F5;
    --muted: #8B949E;
    --danger: #FF6B6B;
    --gradient: linear-gradient(135deg, #00C896 0%, #7B61FF 100%);
    --shadow-emerald: 0 8px 32px rgba(0, 200, 150, 0.18);
    --shadow-card: 0 2px 24px rgba(0, 0, 0, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ── Header ── */
header {
    padding: 18px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(7, 11, 22, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.3px;
}

.logo span { color: var(--emerald); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--emerald);
    color: var(--bg);
    box-shadow: var(--shadow-emerald);
}

.nav-links .btn-primary {
    color: #ffffff;
}

.btn-primary:hover {
    background: #00dba6;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 200, 150, 0.28);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* ── Hero Section ── */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
    padding-top: 100px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.06) 0%, transparent 65%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -5%;
    width: 45%;
    height: 70%;
    background: radial-gradient(circle, rgba(123, 97, 255, 0.06) 0%, transparent 65%);
    pointer-events: none;
}

.hero-left { z-index: 1; }

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--emerald);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 28px;
}

.hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--emerald);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--emerald);
}

h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 28px;
    letter-spacing: -2.5px;
    color: var(--text);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--muted);
    max-width: 520px;
    margin-bottom: 40px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-meta {
    display: flex;
    gap: 36px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.hero-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-meta-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
}

.hero-meta-label {
    font-size: 13px;
    color: var(--muted);
    font-weight: 500;
}

.hero-right {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    position: relative;
}

.phone-mockup-wrap {
    position: relative;
    width: 320px;
}

.phone-mockup-wrap::before {
    content: '';
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle at 50% 45%, rgba(0, 200, 150, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.phone-mockup-wrap img {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 40px 80px rgba(0, 200, 150, 0.12)) drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
}

/* ── Section Base ── */
.section {
    padding: 120px 0;
}

.section-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--emerald);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 18px;
    color: var(--muted);
    max-width: 560px;
    line-height: 1.7;
}

/* ── Features Section ── */
.features-section {
    background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 50%, var(--bg) 100%);
}

.features-header {
    text-align: center;
    margin-bottom: 72px;
}

.features-header .section-subtitle {
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
}

.feature-card {
    background: var(--surface);
    padding: 48px 40px;
    transition: background 0.25s;
    position: relative;
}

.feature-card:hover { background: var(--surface-2); }

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.25s;
}

.feature-card:hover::after { opacity: 1; }

.feature-icon {
    width: 52px;
    height: 52px;
    background: rgba(0, 200, 150, 0.08);
    border: 1px solid rgba(0, 200, 150, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--emerald);
    margin-bottom: 28px;
}

.feature-icon img {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.feature-card p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
}

/* ── Security Section ── */
.security-section {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.security-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.security-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-shield {
    position: relative;
    width: 220px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-shield::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.security-shield img {
    width: 100px;
    height: 100px;
    filter: brightness(0) saturate(100%) invert(60%) sepia(80%) saturate(500%) hue-rotate(120deg) brightness(1.1);
    position: relative;
    z-index: 1;
}

.security-points {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 48px;
}

.security-point {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.point-num {
    font-size: 12px;
    font-weight: 800;
    color: var(--emerald);
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
    margin-top: 2px;
    min-width: 24px;
}

.point-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* ── Download CTA ── */
.cta-section {
    text-align: center;
}

.cta-inner {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 80px 60px;
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient);
    opacity: 0.5;
}

.cta-inner .section-title { margin-bottom: 20px; }

.cta-inner .section-subtitle {
    margin: 0 auto 40px;
}

.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
}

.release-note {
    margin-top: 24px;
    font-size: 13px;
    color: var(--muted);
}

.release-note a {
    color: var(--emerald);
    text-decoration: none;
}

/* ── Footer ── */
footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 56px;
}

.footer-brand .logo {
    display: inline-flex;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--muted);
    font-size: 14px;
    max-width: 280px;
    line-height: 1.7;
}

.footer-col h5 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text);
    margin-bottom: 20px;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 12px; }

.footer-col a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-col a:hover { color: var(--text); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
}

/* ── Content Pages (Privacy / ToS) ── */
.content-page {
    padding: 160px 0 100px;
    max-width: 760px;
    margin: 0 auto;
}

.content-page-header {
    margin-bottom: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}

.content-meta {
    font-size: 12px;
    font-weight: 700;
    color: var(--emerald);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.content-page-header h1 {
    font-size: 48px;
    letter-spacing: -2px;
    margin-bottom: 0;
}

.content-body h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 52px 0 18px;
    letter-spacing: -0.3px;
    padding-left: 16px;
    border-left: 3px solid var(--emerald);
}

.content-body p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.content-body ul {
    margin-bottom: 24px;
    padding-left: 0;
    list-style: none;
}

.content-body li {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.content-body li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--emerald);
    font-weight: 700;
}

.content-body strong { color: var(--text); }

.content-body a {
    color: var(--emerald);
    text-decoration: none;
}

.content-body a:hover { text-decoration: underline; }

/* ── Hamburger Button ── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu Panel ── */
.mobile-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(7, 11, 22, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    z-index: 998;
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.25s ease, visibility 0.25s;
}

.mobile-menu.open {
    max-height: 520px;
    opacity: 1;
    padding: 8px 28px 24px;
    visibility: visible;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
}

.mobile-nav-link:last-of-type { border-bottom: none; }
.mobile-nav-link:hover { color: var(--text); }

.mobile-nav-footer {
    padding: 20px 0 4px;
}

.mobile-nav-footer .btn {
    width: 100%;
    justify-content: center;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .security-inner { grid-template-columns: 1fr; gap: 60px; }
    .security-visual { display: none; }
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 120px;
        padding-bottom: 60px;
        gap: 60px;
    }
    .hero-right { justify-content: center; }
    .phone-mockup-wrap { width: 260px; }
    .hero-left { text-align: center; }
    .hero-tag { justify-content: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-meta { justify-content: center; }
}

@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .cta-inner { padding: 56px 28px; }
    .cta-actions { flex-direction: column; align-items: center; }
    .hero-meta { gap: 24px; flex-wrap: wrap; }
    h1 { letter-spacing: -1.5px; }
}