:root {
    --primary: #6c3ff5;
    --primary-dark: #4f2dcc;
    --primary-light: #ede9ff;
    --accent: #00c4a7;
    --dark: #0f0f1a;
    --gray: #6b7280;
    --light: #f8f7ff;
    --white: #ffffff;
    --radius: 16px;
    --shadow: 0 8px 32px rgba(108,63,245,0.12);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
}

/* ── NAV ── */
nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #ede9ff;
    padding: 0 3vw;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.nav-logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--gray); font-size: .9rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--primary); }
.nav-right {
    display: flex; align-items: center; gap: 12px;
}
.nav-cta {
    background: var(--primary); color: #fff; border: none; border-radius: 50px;
    padding: 10px 24px; font-weight: 700; font-size: .9rem; cursor: pointer;
    text-decoration: none; transition: background .2s;
}
.nav-cta:hover { background: var(--primary-dark); }

/* ── LANGUAGE SWITCHER ── */
.lang-switcher {
    display: flex; align-items: center; gap: 4px;
    background: rgba(108,63,245,.1);
    border-radius: 50px;
    padding: 4px;
}
.lang-btn {
    background: transparent; border: none; border-radius: 50px;
    padding: 5px 10px; font-size: .75rem; font-weight: 700;
    cursor: pointer; color: var(--gray);
    transition: background .2s, color .2s;
    white-space: nowrap;
    line-height: 1;
}
.lang-btn:hover { color: var(--primary); }
.lang-btn.active {
    background: var(--white); color: var(--primary);
    box-shadow: 0 1px 6px rgba(108,63,245,.2);
}

/* ── HAMBURGER ── */
.nav-hamburger {
    display: none;
    flex-direction: column; justify-content: center; gap: 5px;
    background: none; border: none; cursor: pointer;
    padding: 4px; margin-left: 8px;
}
.nav-hamburger span {
    display: block; width: 24px; height: 2px;
    background: var(--primary); border-radius: 2px;
    transition: transform .3s, opacity .3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media(max-width:768px){
    .nav-links {
        display: none;
        flex-direction: column; gap: 0;
        position: absolute; top: 64px; left: 0; right: 0;
        background: rgba(255,255,255,0.98);
        border-bottom: 1px solid #ede9ff;
        padding: 8px 0;
        z-index: 99;
    }
    .nav-links.open { display: flex; }
    .nav-links li a { display: block; padding: 12px 24px; font-size: 1rem; }
    .nav-hamburger { display: flex; }
    .nav-cta { display: none; }
    .lang-btn { padding: 4px 7px; font-size: .7rem; }
    .lang-switcher { gap: 2px; padding: 3px; }
}

/* ── HERO ── */
#hero {
    background: linear-gradient(135deg, #1a0b3e 0%, #2d1a6e 50%, #0d2d4a 100%);
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 80px 3vw 60px;
    position: relative; overflow: hidden;
}
#hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(108,63,245,.35) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(0,196,167,.2) 0%, transparent 50%);
}
.hero-content { position: relative; max-width: 1200px; width: 100%; }
.hero-badge {
    display: inline-block; background: rgba(108,63,245,.3);
    border: 1px solid rgba(108,63,245,.5); color: #c4b5fd;
    padding: 6px 18px; border-radius: 50px; font-size: .8rem;
    font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 24px;
}
#hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 900; color: #fff; line-height: 1.1; margin-bottom: 20px;
}
#hero h1 span { color: #a78bfa; }
#hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,.75); max-width: 580px; margin: 0 auto 40px;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
    background: var(--primary); color: #fff; padding: 16px 36px;
    border-radius: 50px; font-weight: 800; font-size: 1rem;
    text-decoration: none; display: flex; align-items: center; gap: 10px;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 4px 20px rgba(108,63,245,.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,63,245,.6); }
.btn-secondary {
    background: rgba(255,255,255,.1); color: #fff; padding: 16px 36px;
    border-radius: 50px; font-weight: 700; font-size: 1rem;
    text-decoration: none; display: flex; align-items: center; gap: 10px;
    border: 1px solid rgba(255,255,255,.25); transition: background .2s;
}
.btn-secondary:hover { background: rgba(255,255,255,.2); }
.hero-stats {
    display: flex; gap: 40px; justify-content: center; margin-top: 60px;
    flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 900; color: #fff; }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.6); }

/* ── DOWNLOAD ── */
#download {
    background: var(--light); padding: 80px 3vw; text-align: center;
}
.section-tag {
    display: inline-block; background: var(--primary-light);
    color: var(--primary); padding: 4px 16px; border-radius: 50px;
    font-size: .8rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; margin-bottom: 12px; }
.section-sub { color: var(--gray); max-width: 700px; margin: 0 auto 48px; }
.download-cards {
    display: flex; gap: 28px; justify-content: center; flex-wrap: wrap;
}
.dl-card {
    background: var(--white); border-radius: var(--radius); padding: 36px 32px;
    width: 280px; box-shadow: var(--shadow);
    display: flex; flex-direction: column; align-items: center; gap: 16px;
    transition: transform .2s;
}
.dl-card:hover { transform: translateY(-6px); }
.dl-icon { font-size: 3rem; }
.dl-platform { font-weight: 800; font-size: 1.1rem; }
.dl-link {
    background: var(--primary); color: #fff; padding: 10px 24px;
    border-radius: 50px; font-weight: 700; font-size: .9rem;
    text-decoration: none; transition: background .2s; width: 100%; text-align: center;
}
.dl-link:hover { background: var(--primary-dark); }
.dl-link.soon {
    background: #e5e7eb; color: var(--gray); cursor: default; pointer-events: none;
}

/* ── BENEFITS ── */
#benefits { padding: 80px 3vw; }
.benefits-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px; max-width: 1400px; margin: 0 auto;
}
.benefit-card {
    background: var(--light); border-radius: var(--radius); padding: 32px;
    border: 2px solid transparent; transition: border .2s, box-shadow .2s;
}
.benefit-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.benefit-icon {
    width: 56px; height: 56px; background: var(--primary-light);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin-bottom: 20px;
}
.benefit-card h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 10px; }
.benefit-card p { color: var(--gray); font-size: .95rem; }

/* ── VIDEO ── */
#videos {
    background: var(--dark); padding: 80px 5vw; text-align: center;
}
#videos .section-title { color: #fff; }
#videos .section-sub { color: rgba(255,255,255,.6); }
.videos-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px; max-width: 1000px; margin: 0 auto;
}
.video-wrap {
    border-radius: var(--radius); overflow: hidden;
    aspect-ratio: 16/9; background: #1a1a2e;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
}
.video-wrap iframe { width: 100%; height: 100%; border: none; }

.video-wrap p {
    background: rgba(0,0,0,.6); color: #fff; padding: 4px 12px;
    border-radius: 8px; font-size: .65rem; font-weight: 700;
    pointer-events: none;
}
/* ── REVIEWS ── */
#reviews { padding: 80px 3vw; background: var(--light); text-align: center; }
.carousel-outer { position: relative; max-width: 1400px; margin: 0 auto; }
.carousel-track-wrap { overflow: hidden; padding: 8px 0; }
.carousel-track {
    display: flex; gap: 24px;
    transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.review-card {
    background: var(--white); border-radius: var(--radius); padding: 28px;
    box-shadow: 0 2px 16px rgba(0,0,0,.06); text-align: left;
    min-width: 300px; flex-shrink: 0;
}
.review-stars { color: #f59e0b; font-size: 1.1rem; margin-bottom: 12px; }
.review-text { color: var(--gray); font-size: .95rem; margin-bottom: 16px; font-style: italic; }
.review-author { font-weight: 800; font-size: .9rem; }
.review-store { font-size: .8rem; color: var(--gray); }
.carousel-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: var(--white); border: 2px solid #e5e7eb; border-radius: 50%;
    width: 44px; height: 44px; font-size: 1.1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,.1); transition: border-color .2s;
    z-index: 2;
}
.carousel-btn:hover { border-color: var(--primary); }
.carousel-btn.prev { left: -22px; }
.carousel-btn.next { right: -22px; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.carousel-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #d1d5db; cursor: pointer; transition: background .2s, width .2s;
    border: none;
}
.carousel-dot.active { background: var(--primary); width: 24px; border-radius: 4px; }
.rating-badge {
    display: inline-flex; align-items: center; gap: 12px;
    background: var(--primary); color: #fff; padding: 20px 28px;
    border-radius: var(--radius); margin-bottom: 48px;
    width: 280px; height: 120px; justify-content: center; box-sizing: border-box;
}
.rating-num { font-size: 2.5rem; font-weight: 900; }
.rating-info { text-align: left; }
.rating-info .stars { color: #fde68a; font-size: 1.2rem; }
.rating-info small { font-size: .8rem; opacity: .8; }

/* ── FAQ ── */
#faq { padding: 80px 5vw; max-width: 1400px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #e5e7eb; padding: 20px 0; cursor: pointer; }
.faq-q {
    font-weight: 700; font-size: 1rem; display: flex;
    justify-content: space-between; align-items: center;
    user-select: none;
}
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--primary); transition: transform .2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { color: var(--gray); font-size: .95rem; max-height: 0; overflow: hidden; transition: max-height .3s, padding .3s; }
.faq-item.open .faq-a { max-height: 300px; padding-top: 12px; }

/* ── CTA FINAL ── */
#cta-final {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 100px 5vw; text-align: center;
}
#cta-final h2 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; color: #fff; margin-bottom: 16px; }
#cta-final p { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 40px; }

/* ── FOOTER ── */
footer {
    background: var(--dark); color: rgba(255,255,255,.5);
    padding: 40px 5vw; text-align: center; font-size: .85rem;
}
footer a { color: rgba(255,255,255,.6); text-decoration: none; margin: 0 12px; }
footer a:hover { color: #fff; }

/* ── UTILS ── */
.text-center { text-align: center; }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }

/* ── MOBILE ── */
@media(max-width:600px){
    #hero { padding: 64px 5vw 48px; min-height: auto; }
    #hero h1 { font-size: clamp(1.8rem, 8vw, 2.6rem); }
    .hero-btns { flex-direction: column; align-items: center; }
    .btn-primary, .btn-secondary { width: 100%; max-width: 320px; justify-content: center; }
    .hero-stats { gap: 24px; margin-top: 40px; }
    .stat-num { font-size: 1.5rem; }

    #download { padding: 60px 5vw; }
    .dl-card { width: 100%; max-width: 320px; padding: 28px 20px; }

    #benefits { padding: 60px 5vw; }
    .benefits-grid { grid-template-columns: 1fr; }

    #videos { padding: 60px 5vw; }
    .videos-grid { grid-template-columns: 1fr; }

    #reviews { padding: 60px 5vw; }
    .rating-badge { width: 100%; max-width: 320px; }
    .review-card { min-width: calc(100vw - 60px); }
    .carousel-btn.prev { left: -12px; }
    .carousel-btn.next { right: -12px; }

    #faq { padding: 60px 5vw; }

    #cta-final { padding: 60px 5vw; }
    #cta-final .hero-btns { flex-direction: column; align-items: center; }
    #cta-final .btn-primary, #cta-final .btn-secondary { width: 100%; max-width: 320px; justify-content: center; }

    footer a { margin: 0 6px; }
}

@media(min-width:601px) and (max-width:768px){
    .dl-card { width: calc(50% - 14px); min-width: 200px; }
    .review-card { min-width: 260px; }
    .carousel-btn.prev { left: -12px; }
    .carousel-btn.next { right: -12px; }
}