html { scroll-behavior: smooth; }

body {
    background: #0a1510;
    overflow-x: hidden;
}

/* Subtle grain texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* Canvas fireflies */
#fireflies {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Phone mockup */
.phone-frame {
    width: 260px;
    height: 530px;
    border-radius: 36px;
    border: 3px solid #2a4030;
    overflow: hidden;
    position: relative;
    background: #0d1a12;
    box-shadow:
        0 0 40px rgba(212, 168, 67, 0.08),
        0 25px 60px -15px rgba(0, 0, 0, 0.6);
    flex-shrink: 0;
}

.phone-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.phone-frame-sm {
    width: 220px;
    height: 450px;
    border-radius: 30px;
}

/* Hero glow */
.hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

/* Leaf decoration */
.leaf-decoration {
    position: absolute;
    opacity: 0.06;
    pointer-events: none;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* Nav solid on scroll */
.nav-solid {
    background: rgba(10, 21, 16, 0.95) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(42, 64, 48, 0.5);
}

/* Feature card */
.feature-card {
    background: linear-gradient(145deg, rgba(24, 46, 30, 0.6), rgba(18, 31, 23, 0.8));
    border: 1px solid rgba(42, 64, 48, 0.4);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(212, 168, 67, 0.3);
    box-shadow: 0 0 30px rgba(212, 168, 67, 0.05);
}

/* Gold gradient text */
.text-gold-gradient {
    background: linear-gradient(135deg, #f0cc6b, #d4a843);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* CTA button */
.btn-gold {
    background: linear-gradient(135deg, #d4a843, #b8923a);
    color: #0a1510;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    background: linear-gradient(135deg, #e8b84b, #d4a843);
    box-shadow: 0 0 25px rgba(212, 168, 67, 0.3);
}

.btn-outline {
    border: 1.5px solid rgba(212, 168, 67, 0.5);
    color: #d4a843;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    border-color: #d4a843;
    background: rgba(212, 168, 67, 0.1);
}

/* Language switcher */
.lang-btn {
    transition: color 0.2s ease;
}
.lang-btn.active {
    color: #d4a843;
}
.lang-btn:not(.active):hover {
    color: #a3b8aa;
}

@media (max-width: 639px) {
    .site-brand-name {
        display: none;
    }

    .feature-screen-pair img {
        max-width: calc((100vw - 3rem) / 2);
    }
}

/* Section divider */
.section-leaf {
    width: 180px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #d4a843, transparent);
    margin: 0 auto;
}

/* Coverflow carousel */
.coverflow {
    position: relative;
    width: 100%;
    height: 520px;
    perspective: 1200px;
}

.coverflow-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.coverflow-slide {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 230px;
    height: 470px;
    border-radius: 32px;
    border: 3px solid #2a4030;
    overflow: hidden;
    background: #0d1a12;
    transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1),
                opacity 0.6s ease,
                box-shadow 0.6s ease,
                filter 0.6s ease;
    cursor: pointer;
}

.coverflow-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coverflow-slide.cf-center {
    z-index: 5;
    opacity: 1;
    filter: brightness(1);
    box-shadow:
        0 0 50px rgba(212, 168, 67, 0.12),
        0 30px 60px -15px rgba(0, 0, 0, 0.6);
}

.coverflow-slide.cf-left-1,
.coverflow-slide.cf-right-1 {
    z-index: 4;
    opacity: 0.85;
    filter: brightness(0.8);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.coverflow-slide.cf-left-2,
.coverflow-slide.cf-right-2 {
    z-index: 3;
    opacity: 0.55;
    filter: brightness(0.6);
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.4);
}

.coverflow-slide.cf-hidden {
    z-index: 1;
    opacity: 0;
    pointer-events: none;
}

/* Carousel dots */
.carousel-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 1rem;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(42, 64, 48, 0.8);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-dot.active {
    background: #d4a843;
    box-shadow: 0 0 8px rgba(212, 168, 67, 0.4);
}

.carousel-dot:hover:not(.active) {
    background: rgba(82, 163, 121, 0.5);
}

@media (max-width: 767px) {
    .coverflow { height: 440px; }
    .coverflow-slide {
        width: 190px;
        height: 390px;
        border-radius: 28px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .firefly { animation: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}