/* ═══════════════════════════════════════════════════════════
   MonetizeAI — Landing Page  (v1.1)
   Root-domain SaaS · Dark Premium · TikTok/Stripe aesthetic
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --mz-bg:            #07070d;
    --mz-surface:       rgba(255, 255, 255, 0.04);
    --mz-glass:         rgba(255, 255, 255, 0.08);
    --mz-glass-strong:  rgba(255, 255, 255, 0.12);
    --mz-glass-border:  rgba(255, 255, 255, 0.10);
    --mz-text:          #f5f5fa;
    --mz-text-muted:    rgba(255, 255, 255, 0.50);
    --mz-accent:        #7c3aed;
    --mz-accent-light:  #a78bfa;
    --mz-accent-glow:   rgba(124, 58, 237, 0.35);
    --mz-pink:          #ec4899;
    --mz-gradient:      linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    --mz-gradient-soft: linear-gradient(135deg, rgba(124,58,237,0.15) 0%, rgba(236,72,153,0.10) 100%);
    --mz-radius:        16px;
    --mz-radius-sm:     10px;
    --mz-radius-pill:   50px;
    --mz-font:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mz-ease:          cubic-bezier(0.4, 0, 0.2, 1);
    --mz-transition:    0.3s var(--mz-ease);
    --mz-navbar-h:      64px;
}

html {
    font-family: var(--mz-font);
    background: var(--mz-bg);
    color: var(--mz-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
}

/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */

.mz-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--mz-navbar-h);
    z-index: 50;
    background: rgba(7, 7, 13, 0.55);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--mz-glass-border);
    transition: background var(--mz-transition);
}

.mz-navbar-inner {
    max-width: 1280px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.mz-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--mz-text);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.mz-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--mz-gradient);
    border-radius: 8px;
    font-size: 0.9rem;
    color: #fff;
}

.mz-logo-text em {
    font-style: normal;
    background: var(--mz-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav actions */
.mz-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mz-btn-login {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border: 1px solid var(--mz-glass-border);
    border-radius: var(--mz-radius-pill);
    background: var(--mz-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--mz-text);
    font-family: var(--mz-font);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--mz-transition), border-color var(--mz-transition);
    -webkit-tap-highlight-color: transparent;
}

.mz-btn-login:hover {
    background: var(--mz-glass-strong);
    border-color: rgba(255,255,255,0.2);
}

.mz-btn-cta-nav {
    padding: 8px 18px;
    border: none;
    border-radius: var(--mz-radius-pill);
    background: var(--mz-gradient);
    color: #fff;
    font-family: var(--mz-font);
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 2px 12px var(--mz-accent-glow);
    transition: transform var(--mz-transition), box-shadow var(--mz-transition);
    -webkit-tap-highlight-color: transparent;
}

.mz-btn-cta-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--mz-accent-glow);
}

/* Nav user (logged in) */
.mz-nav-user {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px 6px 6px;
    border-radius: var(--mz-radius-pill);
    background: var(--mz-glass);
    border: 1px solid var(--mz-glass-border);
}

.mz-nav-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--mz-gradient);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}

.mz-nav-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mz-text);
}

/* ═══════════════════════════════════════════════════════════
   SCROLL-SNAP CONTAINER
   ═══════════════════════════════════════════════════════════ */

.mz-snap-container {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* ═══════════════════════════════════════════════════════════
   SECTION
   ═══════════════════════════════════════════════════════════ */

.mz-section {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    overflow: hidden;
    background: var(--mz-bg);
}

.mz-section--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.12), transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(236, 72, 153, 0.08), transparent 60%),
        var(--mz-bg);
}

.mz-empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    background: var(--mz-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Video ─────────────────────────────────────────────────── */

.mz-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* ── Gradient overlay ──────────────────────────────────────── */

.mz-gradient-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to bottom,
            rgba(7, 7, 13, 0.7)  0%,
            rgba(7, 7, 13, 0.15) 30%,
            rgba(7, 7, 13, 0.05) 50%,
            rgba(7, 7, 13, 0.25) 70%,
            rgba(7, 7, 13, 0.85) 100%
        );
    pointer-events: none;
}

/* ── Overlay content container ─────────────────────────────── */

.mz-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0 24px 0;
}

/* ── Content ───────────────────────────────────────────────── */

.mz-content {
    padding-bottom: 80px;
    max-width: 520px;
    animation: mzSlideUp 0.7s var(--mz-ease) both;
}

.mz-content--center {
    text-align: center;
    max-width: 420px;
    margin: 0 auto;
    padding-bottom: 0;
}

@keyframes mzSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mz-subtitle {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--mz-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
    line-height: 1.5;
}

.mz-heading {
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

/* ── CTA Button ────────────────────────────────────────────── */

.mz-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 32px;
    border: none;
    border-radius: var(--mz-radius-pill);
    background: var(--mz-gradient);
    color: #fff;
    font-family: var(--mz-font);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow:
        0 4px 24px var(--mz-accent-glow),
        0 1px 3px rgba(0,0,0,0.3);
    transition: transform var(--mz-transition), box-shadow var(--mz-transition);
    -webkit-tap-highlight-color: transparent;
    animation: mzPulseGlow 3s ease-in-out infinite;
}

@keyframes mzPulseGlow {
    0%, 100% { box-shadow: 0 4px 24px var(--mz-accent-glow), 0 1px 3px rgba(0,0,0,0.3); }
    50%      { box-shadow: 0 6px 36px rgba(124, 58, 237, 0.55), 0 1px 3px rgba(0,0,0,0.3); }
}

.mz-cta:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 36px rgba(124, 58, 237, 0.55);
    animation: none;
}

.mz-cta:active {
    transform: scale(0.97);
}

.mz-cta-icon {
    font-size: 1.15rem;
}

/* ── Mute Button ───────────────────────────────────────────── */

.mz-mute-btn {
    position: absolute;
    bottom: 90px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--mz-glass-border);
    border-radius: 50%;
    background: var(--mz-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: #fff;
    cursor: pointer;
    transition: background var(--mz-transition), transform var(--mz-transition);
    -webkit-tap-highlight-color: transparent;
    z-index: 5;
}

.mz-mute-btn:hover {
    background: var(--mz-glass-strong);
    transform: scale(1.1);
}

/* ── Scroll-down indicator ─────────────────────────────────── */

.mz-scroll-indicator {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    animation: mzBounce 2s ease-in-out infinite;
    opacity: 0.7;
    transition: opacity var(--mz-transition);
}

.mz-scroll-indicator.mz-hidden {
    opacity: 0;
    pointer-events: none;
}

.mz-scroll-text {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.5);
}

.mz-scroll-arrow {
    color: rgba(255,255,255,0.5);
    display: flex;
}

@keyframes mzBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(8px); }
}

/* ── Progress bar ──────────────────────────────────────────── */

.mz-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    z-index: 4;
}

.mz-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--mz-gradient);
    border-radius: 0 2px 2px 0;
    transition: width 0.25s linear;
}

/* ── Dot navigation ────────────────────────────────────────── */

.mz-dots {
    position: fixed;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
}

.mz-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    padding: 0;
    transition: background var(--mz-transition), transform var(--mz-transition), height var(--mz-transition);
    -webkit-tap-highlight-color: transparent;
}

.mz-dot--active {
    background: #fff;
    height: 22px;
    border-radius: 4px;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

@media (min-width: 640px) {
    .mz-navbar-inner {
        padding: 0 32px;
    }

    .mz-heading {
        font-size: 2rem;
    }
}

@media (min-width: 768px) {
    :root {
        --mz-navbar-h: 72px;
    }

    .mz-heading {
        font-size: 2.5rem;
    }

    .mz-subtitle {
        font-size: 0.9rem;
    }

    .mz-content {
        max-width: 600px;
        padding-bottom: 100px;
    }

    .mz-mute-btn {
        bottom: 110px;
        right: 32px;
        width: 52px;
        height: 52px;
    }

    .mz-btn-login {
        padding: 9px 20px;
        font-size: 0.85rem;
    }

    .mz-btn-cta-nav {
        padding: 9px 22px;
        font-size: 0.85rem;
    }
}

@media (min-width: 1024px) {
    .mz-heading {
        font-size: 3rem;
    }

    .mz-content {
        max-width: 680px;
    }

    .mz-overlay {
        padding: 0 48px 0;
    }
}