:root {
    --bg: #08111F;
    --bg2: #0B1527;
    --card: rgba(16, 24, 39, 0.78);
    --card2: rgba(20, 32, 53, 0.86);
    --text: #F8FAFC;
    --muted: #94A3B8;
    --border: rgba(148, 163, 184, 0.18);
    --soft: #202C42;
    --accent: #4F8CFF;
    --accent2: #19D3FF;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

html[data-theme="light"] {
    --bg: #F7FAFF;
    --bg2: #EAF1FF;
    --card: rgba(255, 255, 255, 0.82);
    --card2: rgba(241, 245, 249, 0.92);
    --text: #08111F;
    --muted: #516173;
    --border: rgba(15, 23, 42, 0.12);
    --soft: #E6EEF9;
    --accent: #2563EB;
    --accent2: #0891B2;
    --shadow: 0 24px 80px rgba(15, 23, 42, 0.13);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--accent2) 26%, transparent), transparent 34rem),
        radial-gradient(circle at 80% 10%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 32rem),
        linear-gradient(135deg, var(--bg), var(--bg2));
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent), var(--accent2));
    border: 3px solid var(--bg);
    border-radius: 100px;
}

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

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(1180px, calc(100% - 38px));
    margin: 0 auto;
}

.grid-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.055;
    background-image:
        linear-gradient(90deg, currentColor 1px, transparent 1px),
        linear-gradient(currentColor 1px, transparent 1px);
    background-size: 44px 44px;
    z-index: -5;
}

.orb {
    position: fixed;
    width: 28rem;
    height: 28rem;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.2;
    z-index: -6;
    animation: float 10s ease-in-out infinite alternate;
}

.orb-one {
    background: var(--accent);
    left: -10rem;
    top: 9rem;
}

.orb-two {
    background: var(--accent2);
    right: -8rem;
    bottom: 8rem;
    animation-delay: -4s;
}

@keyframes float {
    from {
        transform: translate(0, 0) scale(1);
    }
    to {
        transform: translate(40px, -35px) scale(1.08);
    }
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: color-mix(in srgb, var(--bg) 76%, transparent);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-wrap,
.preview-logo-wrap {
    display: grid;
    place-items: center;
    background: transparent;
    border: 0;
    overflow: visible;
    flex: 0 0 auto;
}

.logo-wrap img {
    width: 46px;
    height: 46px;
    object-fit: contain;
    background: transparent;
    border-radius: 12px;
    filter: drop-shadow(0 12px 24px color-mix(in srgb, var(--accent) 25%, transparent));
}

.preview-logo-wrap img {
    width: 62px;
    height: 62px;
    object-fit: contain;
    background: transparent;
    border-radius: 16px;
    filter: drop-shadow(0 14px 28px color-mix(in srgb, var(--accent) 25%, transparent));
}

.brand strong {
    display: block;
    font-size: 20px;
    letter-spacing: 0.4px;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border: 1px solid color-mix(in srgb, var(--border) 74%, transparent);
    background: color-mix(in srgb, var(--card) 72%, transparent);
    border-radius: 999px;
}

.nav-links a {
    color: var(--muted);
    padding: 10px 14px;
    border-radius: 999px;
    transition: 0.22s ease;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at center, color-mix(in srgb, var(--accent2) 20%, transparent), transparent 70%),
        linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--accent2) 12%, transparent));
    opacity: 0;
    transform: scale(0.85);
    transition: 0.22s ease;
    border-radius: inherit;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 6px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    transform: scaleX(0);
    transform-origin: left;
    transition: 0.22s ease;
}

.nav-links a:hover {
    color: var(--text);
    transform: translateY(-1px);
    box-shadow: 0 12px 30px color-mix(in srgb, var(--accent) 12%, transparent);
}

.nav-links a:hover::before {
    opacity: 1;
    transform: scale(1);
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

.nav-links a {
    z-index: 1;
}

.nav-links a span {
    position: relative;
    z-index: 2;
}

.nav-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.theme-switch {
    width: 74px;
    height: 38px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    padding: 0;
    display: grid;
    place-items: center;
}

.switch-track {
    width: 74px;
    height: 38px;
    border-radius: 999px;
    position: relative;
    display: block;
    background:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.16), transparent 28%),
        linear-gradient(135deg, #101827, #1E293B);
    box-shadow:
        inset 0 0 0 1px var(--border),
        0 12px 32px color-mix(in srgb, var(--accent) 14%, transparent);
    transition: 0.28s ease;
}

.switch-thumb {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #F8FAFC;
    background:
        radial-gradient(circle at 35% 30%, rgba(255,255,255,0.95), rgba(255,255,255,0.16) 28%, transparent 44%),
        linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 8px 22px color-mix(in srgb, var(--accent) 35%, transparent);
    transition: 0.32s cubic-bezier(.2, .8, .2, 1);
}

.switch-icon {
    font-size: 15px;
    line-height: 1;
    transition: 0.25s ease;
}

html[data-theme="light"] .switch-track {
    background:
        radial-gradient(circle at 78% 42%, rgba(255,255,255,0.85), transparent 22%),
        linear-gradient(135deg, #DBEAFE, #F8FAFC);
}

html[data-theme="light"] .switch-thumb {
    transform: translateX(36px) rotate(180deg);
    color: #0F172A;
    background:
        radial-gradient(circle at 35% 30%, rgba(255,255,255,1), rgba(255,255,255,0.42) 34%, transparent 50%),
        linear-gradient(135deg, #FACC15, #FB923C);
    box-shadow: 0 8px 22px rgba(251, 146, 60, 0.35);
}

.theme-switch:hover .switch-thumb {
    scale: 1.08;
}

.menu-btn {
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    border-radius: 999px;
    padding: 10px 13px;
    cursor: pointer;
    transition: 0.2s;
    display: none;
}

.menu-btn:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.section {
    padding: 76px 0;
}

.hero {
    padding-top: 92px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    align-items: center;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--muted);
    border-radius: 999px;
    padding: 9px 13px;
    box-shadow: var(--shadow);
}

.live-dot {
    width: 9px;
    height: 9px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--success) 18%, transparent);
}

.hero h1 {
    margin-top: 22px;
    font-size: clamp(44px, 7vw, 86px);
    line-height: 0.92;
    letter-spacing: -4px;
}

.hero h1 span {
    display: block;
    background: linear-gradient(135deg, var(--text), var(--accent2) 50%, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p,
.section-head p,
.version-box p,
.support-box p {
    color: var(--muted);
    line-height: 1.75;
    font-size: 17px;
}

.hero p {
    margin-top: 22px;
    max-width: 660px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    cursor: pointer;
    min-height: 52px;
    padding: 15px 20px;
    border-radius: 16px;
    font-weight: 800;
    transition: 0.22s;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-3px);
}

.primary {
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 18px 45px color-mix(in srgb, var(--accent) 28%, transparent);
}

.ghost {
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--card);
}

.coffee {
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    color: white;
}

.full {
    width: 100%;
}

.hero-stats {
    margin-top: 26px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.hero-stats div {
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 18px;
    padding: 16px;
}

.hero-stats strong {
    display: block;
    font-size: 24px;
}

.hero-stats span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.hero-card {
    perspective: 1000px;
}

.app-window {
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 34px;
    padding: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    transform: rotateX(4deg) rotateY(-7deg);
    animation: appFloat 6s ease-in-out infinite alternate;
}

@keyframes appFloat {
    from {
        transform: rotateX(4deg) rotateY(-7deg) translateY(0);
    }
    to {
        transform: rotateX(2deg) rotateY(-4deg) translateY(-14px);
    }
}

.window-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-size: 12px;
}

.dots {
    display: flex;
    gap: 7px;
}

.dots i {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--soft);
}

.dots i:nth-child(1) { background: #FF5F57; }
.dots i:nth-child(2) { background: #FFBD2E; }
.dots i:nth-child(3) { background: #28C840; }

.app-preview-brand {
    margin: 22px 0;
    display: flex;
    align-items: center;
    gap: 14px;
}

.app-preview-brand strong {
    display: block;
    font-size: 28px;
    letter-spacing: 0.6px;
}

.app-preview-brand small {
    color: var(--muted);
}

.fake-input {
    min-height: 88px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 60%, transparent);
    color: var(--muted);
    border-radius: 18px;
    padding: 16px;
}

.fake-options {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.fake-options div {
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--soft) 60%, transparent);
    border-radius: 18px;
    padding: 14px;
}

.fake-options span {
    display: block;
    color: var(--muted);
    margin-top: 6px;
    font-size: 12px;
}

.fake-progress {
    margin-top: 16px;
    height: 12px;
    border-radius: 999px;
    background: var(--soft);
    overflow: hidden;
}

.fake-progress span {
    display: block;
    width: 72%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    animation: progressPulse 2.4s infinite alternate;
}

@keyframes progressPulse {
    from { filter: brightness(0.9); }
    to { filter: brightness(1.25); }
}

.fake-status {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
}

.section-head {
    max-width: 780px;
    margin-bottom: 28px;
}

.eyebrow {
    display: block;
    color: var(--accent2);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section h2 {
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1;
    letter-spacing: -2px;
}

.section-head p {
    margin-top: 16px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card,
.download-card,
.version-box,
.support-box,
.contact-form {
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 26px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.feature-card,
.download-card {
    position: relative;
    overflow: hidden;
    transition: 0.22s;
}

.feature-card {
    padding: 24px;
    min-height: 218px;
}

.feature-card::before,
.download-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        radial-gradient(
            circle at var(--mx, 50%) var(--my, 50%),
            color-mix(in srgb, var(--accent2) 18%, transparent),
            transparent 34%
        );
    opacity: 0;
    transition: 0.25s ease;
    pointer-events: none;
}

.feature-card:hover::before,
.download-card:hover::before {
    opacity: 1;
}

.feature-card:hover,
.download-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.icon,
.platform-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: color-mix(in srgb, var(--accent) 18%, var(--soft));
    color: var(--accent2);
    font-size: 22px;
    margin-bottom: 18px;
    transition: 0.25s ease;
    position: relative;
    z-index: 1;
}

.feature-card:hover .icon,
.download-card:hover .platform-icon {
    transform: scale(1.08) rotate(-3deg);
    box-shadow: 0 14px 34px color-mix(in srgb, var(--accent) 24%, transparent);
}

.feature-card h3,
.download-card h3,
.feature-card p,
.download-card p,
.download-card ul,
.download-card a,
.status-badge {
    position: relative;
    z-index: 1;
}

.feature-card h3,
.download-card h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.feature-card p,
.download-card p,
.download-card li {
    color: var(--muted);
    line-height: 1.65;
}

.download-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
    gap: 16px;
}

.download-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 20px;
}

.download-card.available {
    background:
        radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--accent2) 20%, transparent), transparent 20rem),
        var(--card);
}

.download-card ul {
    padding-left: 18px;
}

.status-badge {
    width: max-content;
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
}

.version-box,
.support-box {
    padding: 34px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}

.version-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 420px;
}

.version-list span {
    padding: 10px 12px;
    border-radius: 999px;
    background: var(--soft);
    color: var(--muted);
    border: 1px solid var(--border);
    transition: 0.22s ease;
}

.version-list span:hover {
    color: var(--text);
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    transform: translateY(-3px);
    box-shadow: 0 14px 28px color-mix(in srgb, var(--accent) 16%, transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 30px;
    align-items: start;
}

.contact-form {
    padding: 26px;
    display: grid;
    gap: 15px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 50%, transparent);
    color: var(--text);
    border-radius: 16px;
    padding: 14px;
    outline: none;
    transition: 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 15%, transparent);
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.bot-field {
    display: none;
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-box img {
    width: 220px;
    height: 72px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: #101827;
    user-select: none;
}

.captcha-refresh {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    border-radius: 15px;
    cursor: pointer;
    font-size: 22px;
    transition: 0.22s ease;
}

.captcha-refresh:hover {
    transform: rotate(90deg) scale(1.05);
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    color: var(--accent2);
}

.captcha-refresh.spin {
    animation: captchaSpin 0.42s ease;
}

@keyframes captchaSpin {
    from {
        transform: rotate(0deg) scale(1);
    }
    to {
        transform: rotate(360deg) scale(1.05);
    }
}

.form-result {
    min-height: 22px;
    color: var(--muted);
}

.form-result.success {
    color: var(--success);
}

.form-result.error {
    color: var(--danger);
}

.footer {
    border-top: 1px solid var(--border);
    padding: 28px 0;
    background: color-mix(in srgb, var(--bg) 78%, transparent);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
}

.footer p {
    color: var(--muted);
    max-width: 560px;
    line-height: 1.6;
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 920px) {
    .hero-grid,
    .download-grid,
    .contact-grid,
    .version-box,
    .support-box {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        position: fixed;
        top: 78px;
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 22px;
        padding: 14px;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-btn {
        display: inline-flex;
    }
}

@media (max-width: 620px) {
    .features-grid,
    .fake-options,
    .hero-stats {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        letter-spacing: -2px;
    }

    .app-window {
        transform: none;
        animation: none;
    }

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

    .captcha-box {
        align-items: stretch;
    }

    .captcha-box img {
        width: 100%;
        max-width: 220px;
    }

    .captcha-refresh {
        flex: 0 0 48px;
    }
}