/* =========================================================================
   Lustimacy — "Velvet Mystery" design system
   ------------------------------------------------------------------------
   Sections:
     1. Tokens (custom properties, base reset)
     2. Atmosphere (glow, grain, blur-hash gradients)
     3. Layout primitives (container, section-head)
     4. Buttons & inputs
     5. Navigation
     6. Hero
     7. Waitlist forms
     8. Personas
     9. Features
    10. How-it-works
    11. Card-stack demo
    12. Screens carousel
    13. Cities
    14. Trust
    15. FAQ (details/summary)
    16. Final CTA
    17. Footer
    18. Reveal animations + reduced motion
    19. Responsive breakpoints
   ========================================================================= */

/* ===== 1. Tokens ========================================================= */
:root {
    /* Palette — deep velvet, warm magenta accent, gold highlight */
    --c-bg-deep:        #0E0A14;
    --c-bg-surface:     #15101D;
    --c-bg-card:        #1F172B;
    --c-bg-card-hi:     #2A1F3A;
    --c-bg-elev:        #2C1E3F;

    --c-accent:         #E94B7B;   /* magenta */
    --c-accent-hi:      #FF6B96;
    --c-accent-deep:    #B22A57;
    --c-violet:         #7B2FBE;
    --c-violet-deep:    #3A0F4F;
    --c-gold:           #F3D16E;

    --c-text:           #FAF9F7;
    --c-text-muted:     #B8AEC4;
    --c-text-soft:      #8C7E9E;
    --c-text-on-accent: #14070D;

    --c-border:         rgba(250, 249, 247, 0.08);
    --c-border-hi:      rgba(250, 249, 247, 0.16);
    --c-border-accent:  rgba(233, 75, 123, 0.4);

    /* Typography */
    --f-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --f-display: 'Cormorant Garamond', 'Inter', serif;

    /* Spacing scale (4-base) */
    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 24px;
    --s-6: 32px;
    --s-7: 48px;
    --s-8: 64px;
    --s-9: 96px;
    --s-10: 128px;

    /* Radius */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
    --r-pill: 999px;

    /* Layout */
    --container: 1180px;
    --container-narrow: 820px;

    /* Easing & timing */
    --e-out: cubic-bezier(0.16, 1, 0.3, 1);
    --e-inout: cubic-bezier(0.65, 0, 0.35, 1);
    --t-fast: 180ms;
    --t-base: 320ms;
    --t-slow: 700ms;

    /* Shadows */
    --shadow-card: 0 20px 50px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--c-border);
    --shadow-glow: 0 0 80px rgba(233, 75, 123, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background: var(--c-bg-deep);
}

body {
    font-family: var(--f-sans);
    background: var(--c-bg-deep);
    color: var(--c-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }

::selection { background: var(--c-accent); color: var(--c-text-on-accent); }

.skip-to-content {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--c-accent);
    color: var(--c-text-on-accent);
    padding: var(--s-3) var(--s-4);
    z-index: 1000;
}
.skip-to-content:focus { left: var(--s-4); top: var(--s-4); }

:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ===== 2. Atmosphere ===================================================== */
.atmosphere {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.atmosphere__glow {
    position: absolute;
    width: 60vw;
    height: 60vw;
    max-width: 900px;
    max-height: 900px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    will-change: transform;
}
.atmosphere__glow--top {
    top: -10vw;
    left: -10vw;
    background: radial-gradient(circle, var(--c-violet) 0%, transparent 70%);
}
.atmosphere__glow--bottom {
    bottom: -20vw;
    right: -10vw;
    background: radial-gradient(circle, var(--c-accent) 0%, transparent 70%);
    opacity: 0.35;
}
.atmosphere__grain {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.4 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.05;
    mix-blend-mode: overlay;
}

/* BlurHash decorative gradients (used as background utilities) */
.bh {
    border-radius: var(--r-md);
    background-size: cover;
    position: relative;
    overflow: hidden;
}
.bh::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(0,0,0,0.4) 100%);
}
.bh--1 { background: linear-gradient(135deg, #3A0F4F 0%, #7B2FBE 50%, #E94B7B 100%); }
.bh--2 { background: linear-gradient(135deg, #1E0B2B 0%, #B22A57 60%, #F3D16E 100%); }
.bh--3 { background: linear-gradient(135deg, #2A1F3A 0%, #7B2FBE 100%); }
.bh--card-1 { background: linear-gradient(135deg, #3A0F4F 0%, #B22A57 100%); }
.bh--card-2 { background: linear-gradient(135deg, #1F172B 0%, #7B2FBE 60%, #E94B7B 100%); }
.bh--card-3 { background: linear-gradient(135deg, #2A1F3A 0%, #F3D16E 50%, #B22A57 100%); }
.bh--unlocked { background: linear-gradient(135deg, #1F172B 0%, #15101D 100%); }
.bh--unlocked::after { display: none; }

/* ===== 3. Layout primitives ============================================== */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--s-5);
    position: relative;
    z-index: 1;
}
.container--narrow { max-width: var(--container-narrow); }

main { position: relative; z-index: 1; }

section { padding: var(--s-9) 0; position: relative; }
@media (max-width: 720px) { section { padding: var(--s-8) 0; } }

.section-head {
    text-align: center;
    margin-bottom: var(--s-8);
}
.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: var(--s-4);
}
.section-title {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: var(--s-4);
}
.section-lede {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--c-text-muted);
    max-width: 640px;
    margin: 0 auto;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    font-weight: 600;
    color: var(--c-accent);
    transition: gap var(--t-fast) var(--e-out);
}
.link-arrow:hover { gap: var(--s-3); }

/* ===== 4. Buttons & inputs =============================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    padding: var(--s-4) var(--s-6);
    border-radius: var(--r-pill);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--t-fast) var(--e-out), box-shadow var(--t-fast) var(--e-out);
    white-space: nowrap;
    line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary {
    background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-violet) 100%);
    color: var(--c-text);
    box-shadow: 0 8px 24px -8px var(--c-accent), 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.btn--primary:hover { box-shadow: 0 12px 30px -8px var(--c-accent), 0 0 0 1px rgba(255, 255, 255, 0.1); }
.btn--ghost {
    border: 1px solid var(--c-border-hi);
    color: var(--c-text);
}
.btn--ghost:hover { border-color: var(--c-accent); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ===== 5. Navigation ===================================================== */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background-color var(--t-base) var(--e-out), border-color var(--t-base) var(--e-out), backdrop-filter var(--t-base) var(--e-out);
    border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
    background-color: rgba(14, 10, 20, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom-color: var(--c-border);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s-4) var(--s-5);
    max-width: var(--container);
    margin: 0 auto;
}
.nav__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: 0.02em;
}
.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--s-6);
}
.nav__links {
    display: flex;
    gap: var(--s-5);
}
.nav__links a {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    transition: color var(--t-fast) var(--e-out);
    position: relative;
}
.nav__links a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -6px;
    height: 1px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-fast) var(--e-out);
}
.nav__links a:hover { color: var(--c-text); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__locales {
    display: flex;
    gap: var(--s-2);
    padding: 4px;
    border: 1px solid var(--c-border);
    border-radius: var(--r-pill);
}
.nav__locale {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--c-text-soft);
    border-radius: var(--r-pill);
    transition: background-color var(--t-fast), color var(--t-fast);
}
.nav__locale.is-active {
    background: var(--c-bg-card);
    color: var(--c-text);
}
.nav__locale:hover { color: var(--c-text); }
.nav__cta { padding: var(--s-3) var(--s-5); font-size: 0.85rem; }
.nav__toggle {
    display: none;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.nav__toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--c-text);
    transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav__toggle.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-active span:nth-child(2) { opacity: 0; }
.nav__toggle.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===== 6. Hero =========================================================== */
.hero {
    position: relative;
    padding: var(--s-9) 0 var(--s-10);
    overflow: hidden;
    min-height: 88vh;
    display: flex;
    align-items: center;
}
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.hero__blurhash {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}
.hero__blurhash--1 {
    top: 10%; left: -10%;
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, var(--c-violet) 0%, transparent 70%);
    opacity: 0.4;
}
.hero__blurhash--2 {
    bottom: 5%; right: -5%;
    width: 45vw; height: 45vw;
    background: radial-gradient(circle, var(--c-accent) 0%, transparent 70%);
    opacity: 0.35;
}
.hero__blurhash--3 {
    top: 40%; left: 30%;
    width: 30vw; height: 30vw;
    background: radial-gradient(circle, var(--c-gold) 0%, transparent 65%);
    opacity: 0.1;
}
.hero__content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: var(--s-2) var(--s-4);
    border: 1px solid var(--c-border-accent);
    border-radius: var(--r-pill);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--c-accent-hi);
    background: rgba(233, 75, 123, 0.06);
    margin-bottom: var(--s-6);
}
.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--c-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(233, 75, 123, 0.7);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(233, 75, 123, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(233, 75, 123, 0); }
    100% { box-shadow: 0 0 0 0 rgba(233, 75, 123, 0); }
}

.hero__title {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    line-height: 1.02;
    letter-spacing: -0.015em;
    margin-bottom: var(--s-5);
}
.hero__title-line { display: block; }
.hero__title-line--accent {
    font-style: italic;
    background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero__lede {
    font-size: clamp(1rem, 1.7vw, 1.2rem);
    color: var(--c-text-muted);
    max-width: 580px;
    margin-bottom: var(--s-7);
}
.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-5);
    margin-top: var(--s-6);
    color: var(--c-text-soft);
    font-size: 0.85rem;
}
.hero__trust li {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
}
.hero__trust svg { color: var(--c-accent); }

.playstore-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: var(--s-4);
    padding: 10px 16px;
    border: 1px solid rgba(250, 249, 247, 0.18);
    border-radius: 999px;
    background: rgba(14, 10, 20, 0.4);
    color: var(--c-text-soft);
    font-size: 0.85rem;
    text-decoration: none;
    transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.playstore-link:hover,
.playstore-link:focus-visible {
    border-color: rgba(196, 69, 116, 0.6);
    color: #faf9f7;
    background: rgba(14, 10, 20, 0.65);
    transform: translateY(-1px);
}
.playstore-link__icon { color: var(--c-accent); flex-shrink: 0; }
.playstore-link--centered {
    margin: var(--s-5) auto 0;
}

.hero__device {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 480px;
    height: 600px;
    z-index: 0;
    pointer-events: none;
    opacity: 0.85;
}
.hero__device-frame {
    position: absolute;
    width: 280px;
    height: 540px;
    border-radius: 48px;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    border: 8px solid var(--c-bg-card);
}
.hero__device-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero__device-frame:first-child {
    right: 60px;
    top: 0;
    transform: rotate(6deg);
    z-index: 2;
}
.hero__device-frame--rear {
    right: 200px;
    top: 30px;
    transform: rotate(-5deg) scale(0.92);
    opacity: 0.6;
    z-index: 1;
}
@media (max-width: 1100px) { .hero__device { display: none; } }

/* ===== 7. Waitlist forms ================================================= */
.waitlist {
    margin-top: var(--s-6);
    max-width: 520px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--s-3);
    align-items: stretch;
    position: relative;
}
.waitlist__input {
    grid-column: 1;
    background: rgba(14, 10, 20, 0.6);
    color: var(--c-text);
    border: 1px solid var(--c-border-hi);
    border-radius: var(--r-pill);
    padding: var(--s-4) var(--s-5);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--t-fast), background-color var(--t-fast);
    backdrop-filter: blur(8px);
}
.waitlist__input::placeholder { color: var(--c-text-soft); }
.waitlist__input:focus {
    outline: none;
    border-color: var(--c-accent);
    background: rgba(14, 10, 20, 0.8);
}
.waitlist__submit {
    grid-column: 2;
    padding: var(--s-4) var(--s-5);
}
.waitlist__honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
}
.waitlist__hint, .waitlist__success, .waitlist__error {
    grid-column: 1 / -1;
    font-size: 0.85rem;
    color: var(--c-text-soft);
    margin-top: var(--s-2);
    line-height: 1.5;
}
.waitlist__success, .waitlist__error { display: none; }
.waitlist--final .waitlist__hint { color: var(--c-text-soft); font-size: 0.8rem; }
.waitlist.is-success .waitlist__success { display: block; color: var(--c-gold); }
.waitlist.is-success .waitlist__hint { display: none; }
.waitlist.is-success .waitlist__input,
.waitlist.is-success .waitlist__submit { opacity: 0.4; pointer-events: none; }
.waitlist.is-error .waitlist__error { display: block; color: var(--c-accent-hi); }

/* Success panel — shown after a successful signup. Replaces the input. */
.waitlist__success-panel {
    grid-column: 1 / -1;
    margin-top: var(--s-3);
    padding: clamp(20px, 3vw, 28px);
    background: linear-gradient(180deg, rgba(196, 69, 116, 0.08) 0%, rgba(168, 85, 247, 0.04) 100%);
    border: 1px solid rgba(196, 69, 116, 0.35);
    border-radius: 14px;
    text-align: left;
    animation: waitlistSuccessFadeIn 0.4s ease-out;
}
@keyframes waitlistSuccessFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.waitlist.is-success .waitlist__input,
.waitlist.is-success .waitlist__submit { display: none; }
.waitlist.is-success .waitlist__hint { display: none; }
.waitlist__success-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--c-gold, #fbe6d5);
    margin-bottom: 12px;
}
.waitlist__success-check { color: #a4eaa9; flex-shrink: 0; }
.waitlist__position {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 14px;
}
.waitlist__position-num {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: clamp(36px, 7vw, 56px);
    font-weight: 500;
    color: #e8d3ff;
    line-height: 1;
}
.waitlist__position-label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-soft);
}
.waitlist__inbox {
    font-size: 0.85rem;
    color: var(--c-text-soft);
    margin: 0 0 18px;
    line-height: 1.6;
}
.waitlist__share-label {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-text-soft);
    margin: 0 0 8px;
}
.waitlist__share-link {
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    background: rgba(12, 10, 20, 0.5);
    border: 1px solid rgba(232, 211, 255, 0.15);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--c-gold, #fbe6d5);
    font-size: 0.82rem;
    word-break: break-all;
    margin-bottom: 12px;
    user-select: all;
}
.waitlist__share-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.waitlist__share-btn, .waitlist__copy-btn {
    padding: 11px 20px;
    border-radius: 9px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.waitlist__share-btn {
    background: linear-gradient(135deg, #c44574 0%, #a4365a 100%);
    color: #fff;
    border: none;
    flex: 1 1 auto;
    min-width: 140px;
}
.waitlist__share-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(196, 69, 116, 0.35); }
.waitlist__copy-btn {
    background: transparent;
    color: var(--c-gold, #e8d3ff);
    border: 1px solid rgba(232, 211, 255, 0.2);
}
.waitlist__copy-btn:hover { border-color: #c44574; background: rgba(196, 69, 116, 0.08); }
.waitlist__copy-btn.is-copied {
    background: rgba(74, 138, 82, 0.15);
    border-color: #4a8a52;
    color: #a4eaa9;
}
.waitlist__status-link {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--c-gold, #e8d3ff);
    text-decoration: none;
    border-bottom: 1px solid rgba(232, 211, 255, 0.25);
    padding-bottom: 1px;
    transition: border-color 0.15s ease;
}
.waitlist__status-link:hover { border-color: #c44574; }
[hidden] { display: none !important; }

/* ===== 8. Personas ======================================================= */
.personas__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-5);
}
.persona {
    background: linear-gradient(180deg, var(--c-bg-card) 0%, var(--c-bg-surface) 100%);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: var(--s-6);
    transition: transform var(--t-base) var(--e-out), border-color var(--t-base) var(--e-out);
}
.persona:hover {
    transform: translateY(-4px);
    border-color: var(--c-border-accent);
}
.persona__visual {
    aspect-ratio: 4 / 5;
    border-radius: var(--r-md);
    margin-bottom: var(--s-5);
    background: var(--c-bg-deep);
    overflow: hidden;
    position: relative;
}
.persona__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--t-slow) var(--e-out), filter var(--t-slow) var(--e-out);
    filter: saturate(0.85) contrast(1.05);
}
.persona__visual::after {
    /* Velvet duotone overlay — pushes photos toward our magenta/violet palette
       so disparate stock images read as one moodboard. */
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 40%, rgba(14, 10, 20, 0.65) 100%),
        linear-gradient(135deg, rgba(123, 47, 190, 0.28) 0%, rgba(233, 75, 123, 0.22) 100%);
    mix-blend-mode: normal;
    pointer-events: none;
}
.persona:hover .persona__visual img {
    transform: scale(1.04);
    filter: saturate(1) contrast(1.05);
}
.persona h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.6rem;
    margin-bottom: var(--s-3);
}
.persona p { color: var(--c-text-muted); font-size: 0.95rem; }

@media (max-width: 900px) {
    .personas__grid { grid-template-columns: 1fr; }
}

/* ===== 9. Features ======================================================= */
.features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-5);
}
.feature {
    background: linear-gradient(180deg, var(--c-bg-card) 0%, var(--c-bg-surface) 100%);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: var(--s-6);
    display: flex;
    flex-direction: column;
    gap: var(--s-5);
    transition: border-color var(--t-base) var(--e-out);
    position: relative;
    overflow: hidden;
}
.feature:hover { border-color: var(--c-border-hi); }
.feature--accent {
    background: linear-gradient(180deg, var(--c-bg-card-hi) 0%, var(--c-bg-surface) 100%);
    border-color: var(--c-border-accent);
}
/* The hero feature card: spans the full width of the grid and lays out
   visual (left) + body (right) horizontally. On narrow screens it collapses
   to vertical like the other cards. */
.feature--wide {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: var(--s-8);
    align-items: center;
    padding: var(--s-7);
}
.feature--wide .feature__visual {
    aspect-ratio: 16 / 11;
    margin: 0;
}
.feature--wide .feature__body h3 { font-size: 1.9rem; }
.feature__visual {
    aspect-ratio: 16 / 10;
    border-radius: var(--r-md);
    background: var(--c-bg-deep);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-3);
    padding: var(--s-5);
    position: relative;
}
.feature__body h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.55rem;
    margin-bottom: var(--s-3);
}
.feature__body p { color: var(--c-text-muted); font-size: 0.95rem; }

/* — couple visual (linked profiles) */
.feature__visual--couple { gap: var(--s-4); flex-wrap: wrap; }
.feature__couple-card {
    flex: 1;
    min-width: 100px;
    background: var(--c-bg-card-hi);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: var(--s-3);
    text-align: center;
    font-size: 0.8rem;
    color: var(--c-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s-2);
}
.feature__couple-card--linked {
    border-color: var(--c-accent);
    box-shadow: 0 0 30px -10px var(--c-accent);
    background: linear-gradient(135deg, var(--c-bg-card-hi) 0%, var(--c-violet-deep) 100%);
    color: var(--c-text);
    position: relative;
}
.feature__couple-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-violet) 0%, var(--c-accent) 100%);
}
.feature__couple-avatar--two {
    margin-left: -16px;
    background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-gold) 100%);
    border: 2px solid var(--c-bg-card-hi);
}
.feature__couple-card--linked > div:nth-child(2) { margin-left: -16px; }
.feature__couple-arrow {
    color: var(--c-text-soft);
    flex-shrink: 0;
}

/* — toggle (mode) */
.feature__visual--mode { padding: var(--s-7); }
.feature__toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    font-size: 0.95rem;
    color: var(--c-text-muted);
}
.feature__toggle-label--active { color: var(--c-text); font-weight: 600; }
.feature__toggle-track {
    width: 56px;
    height: 30px;
    background: linear-gradient(135deg, var(--c-violet) 0%, var(--c-accent) 100%);
    border-radius: var(--r-pill);
    position: relative;
}
.feature__toggle-thumb {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 24px;
    height: 24px;
    background: var(--c-text);
    border-radius: 50%;
    transition: right var(--t-base) var(--e-out);
    animation: toggle-dance 4s infinite;
}
@keyframes toggle-dance {
    0%, 100% { right: 3px; }
    50% { right: 29px; }
}

/* — blurhash visual (private photos) */
.feature__visual--blurhash {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-3);
    padding: var(--s-5);
}
.feature__visual--blurhash .bh {
    aspect-ratio: 1;
    border-radius: var(--r-sm);
}
.feature__visual--blurhash .bh--unlocked {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-gold);
    border: 1px solid var(--c-gold);
}

/* — travel arc */
.feature__visual--travel { padding: var(--s-4); }

/* — filter chips */
.feature__visual--filters {
    flex-wrap: wrap;
    padding: var(--s-5);
    align-items: flex-start;
    align-content: center;
}
.chip {
    padding: var(--s-2) var(--s-4);
    border-radius: var(--r-pill);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--c-border-hi);
    color: var(--c-text-muted);
    background: var(--c-bg-card-hi);
    transition: all var(--t-fast);
}
.chip--active {
    border-color: var(--c-accent);
    color: var(--c-text);
    background: linear-gradient(135deg, var(--c-violet-deep) 0%, var(--c-accent-deep) 100%);
}

@media (max-width: 800px) {
    .features__grid { grid-template-columns: 1fr; }
    .feature--wide {
        grid-column: 1;
        grid-template-columns: 1fr;
        gap: var(--s-5);
        padding: var(--s-6);
    }
    .feature--wide .feature__body h3 { font-size: 1.55rem; }
}

/* ===== 10. How-it-works ================================================== */
.how__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-5);
    counter-reset: step;
}
.how__step {
    border-left: 1px solid var(--c-border);
    padding: var(--s-4) var(--s-5);
    transition: border-color var(--t-base);
    position: relative;
}
.how__step:hover { border-left-color: var(--c-accent); }
.how__step-number {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 2rem;
    color: var(--c-accent);
    line-height: 1;
    display: block;
    margin-bottom: var(--s-3);
}
.how__step h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.35rem;
    margin-bottom: var(--s-3);
}
.how__step p { color: var(--c-text-muted); font-size: 0.95rem; }
@media (max-width: 900px) { .how__steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .how__steps { grid-template-columns: 1fr; } }

/* ===== 11. Card-stack demo =============================================== */
.demo__split {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: var(--s-8);
    align-items: center;
    margin-top: var(--s-8);
}
.demo__stage {
    position: relative;
    height: 540px;
    width: 320px;
    margin: 0 auto;
    user-select: none;
}
.card-stack {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 1000px;
}
.card-stack__card {
    position: absolute;
    inset: 0;
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform var(--t-base) var(--e-out), opacity var(--t-base) var(--e-out);
    cursor: grab;
    will-change: transform;
}
.card-stack__card:active { cursor: grabbing; }
.card-stack__card[data-card="0"] {
    transform: translateY(0) scale(1);
    z-index: 3;
}
.card-stack__card[data-card="1"] {
    transform: translateY(12px) scale(0.96);
    z-index: 2;
    opacity: 0.85;
}
.card-stack__card[data-card="2"] {
    transform: translateY(24px) scale(0.92);
    z-index: 1;
    opacity: 0.65;
}
/* Deeper queue (4th+ card) sits hidden behind the visible top 3.
   Promoted into view by the swipe-recycle JS as cards above it leave. */
.card-stack__card[data-card="3"],
.card-stack__card[data-card="4"],
.card-stack__card[data-card="5"],
.card-stack__card[data-card="6"],
.card-stack__card[data-card="7"],
.card-stack__card[data-card="8"],
.card-stack__card[data-card="9"] {
    transform: translateY(24px) scale(0.92);
    z-index: 0;
    opacity: 0;
    pointer-events: none;
}
.card-stack__card.is-leaving-right {
    transform: translateX(140%) rotate(20deg) !important;
    opacity: 0 !important;
    transition: transform 500ms var(--e-out), opacity 500ms;
}
.card-stack__card.is-leaving-left {
    transform: translateX(-140%) rotate(-20deg) !important;
    opacity: 0 !important;
    transition: transform 500ms var(--e-out), opacity 500ms;
}
.card-stack__photo {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.card-stack__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: saturate(0.9) contrast(1.05);
}
.card-stack__photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(123, 47, 190, 0.22) 0%, rgba(233, 75, 123, 0.18) 100%);
    pointer-events: none;
}
.card-stack__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--s-5);
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.85) 100%);
    color: var(--c-text);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.card-stack__caption strong {
    font-family: var(--f-display);
    font-size: 1.6rem;
    font-weight: 500;
}
.card-stack__caption span { font-size: 0.85rem; color: var(--c-text-muted); }

.card-stack__controls {
    position: absolute;
    bottom: -72px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--s-5);
}
.card-stack__btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--c-bg-card-hi);
    border: 1px solid var(--c-border-hi);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}
.card-stack__btn:hover { transform: scale(1.08); }
.card-stack__btn--pass { color: var(--c-text-soft); }
.card-stack__btn--pass:hover { color: var(--c-text); border-color: var(--c-border-hi); }
.card-stack__btn--like { color: var(--c-accent); }
.card-stack__btn--like:hover { background: var(--c-accent); color: var(--c-text); border-color: var(--c-accent); }

.demo__beats {
    display: flex;
    flex-direction: column;
    gap: var(--s-5);
}
.demo__beats li {
    padding-left: var(--s-5);
    border-left: 2px solid var(--c-accent);
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
}
.demo__beats strong {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.4rem;
}
.demo__beats span { color: var(--c-text-muted); font-size: 0.95rem; }

@media (max-width: 900px) {
    .demo__split { grid-template-columns: 1fr; gap: var(--s-9); }
    .demo__stage { margin-bottom: var(--s-7); }
}

/* ===== 12. Screens carousel ============================================== */
.screens__viewport {
    position: relative;
    margin-top: var(--s-7);
}
.screens__rail {
    display: flex;
    gap: var(--s-5);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    padding: var(--s-4) var(--s-5);
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.screens__rail::-webkit-scrollbar { display: none; }
.screens__item {
    flex: 0 0 240px;
    scroll-snap-align: center;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 6px solid var(--c-bg-card);
    background: var(--c-bg-card);
}
.screens__item img {
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: cover;
}
.screens__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(14, 10, 20, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--c-border-hi);
    color: var(--c-text);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--t-fast), background-color var(--t-fast);
}
.screens__nav:hover { background: var(--c-bg-card); }
.screens__nav--prev { left: -8px; }
.screens__nav--next { right: -8px; }
.screens__nav.is-hidden { opacity: 0; pointer-events: none; }

/* ===== 13. Cities ======================================================== */
.cities__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-5);
}
.cities__col {
    background: linear-gradient(180deg, var(--c-bg-card) 0%, var(--c-bg-surface) 100%);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: var(--s-6);
}
.cities__col--note {
    background: linear-gradient(180deg, var(--c-bg-card-hi) 0%, var(--c-violet-deep) 100%);
    border-color: var(--c-border-accent);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.cities__col h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.5rem;
    margin-bottom: var(--s-4);
    display: flex;
    align-items: center;
    gap: var(--s-3);
}
.cities__flag { font-size: 1.6rem; line-height: 1; }
.cities__list {
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
}
.cities__list li {
    color: var(--c-text-muted);
    padding: var(--s-2) 0;
    border-bottom: 1px solid var(--c-border);
    font-size: 0.95rem;
}
.cities__list li:last-child { border-bottom: 0; }
.cities__col--note p {
    color: var(--c-text-muted);
    margin-bottom: var(--s-5);
    font-size: 0.95rem;
}
@media (max-width: 900px) { .cities__grid { grid-template-columns: 1fr; } }

/* ===== 14. Trust ========================================================= */
.trust__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-5);
    margin-top: var(--s-7);
}
.trust__card {
    background: linear-gradient(180deg, var(--c-bg-card) 0%, var(--c-bg-surface) 100%);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: var(--s-6);
    display: flex;
    flex-direction: column;
    gap: var(--s-4);
    transition: border-color var(--t-base);
}
.trust__card:hover { border-color: var(--c-border-accent); }
.trust__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--c-violet-deep) 0%, var(--c-accent-deep) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-text);
}
.trust__card h3 {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.3rem;
}
.trust__card p { color: var(--c-text-muted); font-size: 0.95rem; }
@media (max-width: 720px) { .trust__grid { grid-template-columns: 1fr; } }

/* ===== 15. FAQ =========================================================== */
.faq__list {
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
    margin-top: var(--s-7);
}
.faq__item {
    background: var(--c-bg-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    overflow: hidden;
    transition: border-color var(--t-base);
}
.faq__item[open] { border-color: var(--c-border-accent); }
.faq__question {
    list-style: none;
    cursor: pointer;
    padding: var(--s-5) var(--s-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--s-4);
    font-weight: 600;
    font-size: 1rem;
    color: var(--c-text);
}
.faq__question::-webkit-details-marker { display: none; }
.faq__chevron {
    color: var(--c-accent);
    flex-shrink: 0;
    transition: transform var(--t-base) var(--e-out);
}
.faq__item[open] .faq__chevron { transform: rotate(180deg); }
.faq__answer {
    padding: 0 var(--s-6) var(--s-5);
    color: var(--c-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== 16. Final CTA ===================================================== */
.finalcta {
    padding: var(--s-9) 0;
}
.finalcta__inner {
    text-align: center;
    background: linear-gradient(135deg, var(--c-bg-card-hi) 0%, var(--c-violet-deep) 50%, var(--c-bg-card) 100%);
    border: 1px solid var(--c-border-accent);
    border-radius: var(--r-xl);
    padding: var(--s-9) var(--s-6);
    position: relative;
    overflow: hidden;
}
.finalcta__inner::before {
    content: "";
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--c-accent) 0%, transparent 70%);
    opacity: 0.25;
    filter: blur(60px);
    pointer-events: none;
}
.finalcta__title {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: clamp(2rem, 5vw, 3.2rem);
    margin-bottom: var(--s-4);
    position: relative;
}
.finalcta__lede {
    color: var(--c-text-muted);
    margin-bottom: var(--s-7);
    font-size: 1.05rem;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.finalcta .waitlist {
    margin: 0 auto;
    position: relative;
}

/* ===== 17. Footer ======================================================== */
.footer {
    border-top: 1px solid var(--c-border);
    padding: var(--s-8) 0 var(--s-6);
    margin-top: var(--s-9);
    position: relative;
    z-index: 1;
}
.footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--s-7);
    margin-bottom: var(--s-7);
}
.footer__brand .footer__name {
    display: block;
    font-family: var(--f-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--s-2);
}
.footer__tagline { color: var(--c-text-muted); font-size: 0.9rem; max-width: 320px; }
.footer__col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-text-soft);
    margin-bottom: var(--s-4);
}
.footer__col ul { display: flex; flex-direction: column; gap: var(--s-3); }
.footer__col a { color: var(--c-text-muted); font-size: 0.9rem; transition: color var(--t-fast); }
.footer__col a:hover { color: var(--c-text); }
.footer__bottom {
    border-top: 1px solid var(--c-border);
    padding-top: var(--s-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--c-text-soft);
}
.footer__age {
    border: 1px solid var(--c-border-hi);
    border-radius: var(--r-pill);
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--c-text-muted);
}
@media (max-width: 720px) {
    .footer__top { grid-template-columns: 1fr; gap: var(--s-6); }
    .footer__bottom { flex-direction: column; gap: var(--s-4); align-items: flex-start; }
}

/* ===== 18. Reveal animations ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--t-slow) var(--e-out), transform var(--t-slow) var(--e-out);
    transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.persona.reveal:nth-child(2) { --reveal-delay: 80ms; }
.persona.reveal:nth-child(3) { --reveal-delay: 160ms; }
.feature.reveal:nth-child(2) { --reveal-delay: 60ms; }
.feature.reveal:nth-child(3) { --reveal-delay: 120ms; }
.feature.reveal:nth-child(4) { --reveal-delay: 180ms; }
.feature.reveal:nth-child(5) { --reveal-delay: 240ms; }
.how__step.reveal:nth-child(2) { --reveal-delay: 80ms; }
.how__step.reveal:nth-child(3) { --reveal-delay: 160ms; }
.how__step.reveal:nth-child(4) { --reveal-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .feature__toggle-thumb { animation: none; right: 29px; }
    .hero__badge-dot { animation: none; }
}

/* ===== 19. Responsive ==================================================== */
@media (max-width: 900px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--c-bg-deep);
        border-bottom: 1px solid var(--c-border);
        padding: var(--s-5);
        flex-direction: column;
        align-items: stretch;
        gap: var(--s-5);
        transform: translateY(-120%);
        transition: transform var(--t-base) var(--e-out);
        z-index: 49;
    }
    .nav__menu.is-open { transform: translateY(0); }
    .nav__links { flex-direction: column; gap: var(--s-3); }
    .nav__locales { align-self: flex-start; }
    .nav__cta { align-self: flex-start; }
    .nav__toggle { display: flex; }
}

@media (max-width: 540px) {
    .waitlist { grid-template-columns: 1fr; }
    .waitlist__submit { grid-column: 1; }
    .demo__stage { width: 280px; height: 480px; }
}