body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Hero ===== */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('background.png');
    background-size: cover;
    z-index: -1;
    opacity: 0.18;
    animation: zoom-in-out 30s infinite alternate;
}

.hero-bg-top {
    background-position: top;
    transform-origin: top;
}

.hero-bg-bottom {
    background-position: bottom;
    transform-origin: bottom;
}

@keyframes zoom-in-out {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

/* ===== Store badges ===== */
.store-badge {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.store-badge:hover {
    transform: translateY(-3px);
    opacity: 0.85;
}

/* ===== Feature cards (scroll reveal) ===== */
.feature-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

.feature-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Header ===== */
.header-hidden {
    transform: translateY(-100%);
}

/* ===== GearBox external link ===== */
.gearbox-link {
    color: #63b3ed;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease-in-out;
}

.gearbox-link:hover {
    color: #90cdf4;
    text-decoration: underline;
}

.gearbox-link .external-link-icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-left: 0.25rem;
    background-color: currentColor;
    mask-image: url('../assets/external-link.svg');
    mask-repeat: no-repeat;
    mask-size: contain;
    mask-position: center;
    -webkit-mask-image: url('../assets/external-link.svg');
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-size: contain;
    -webkit-mask-position: center;
}

/* ===== Shared: section divider ===== */
.section-divider {
    width: 48px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 179, 237, 0.4), transparent);
    margin: 0 auto;
}

/* ===== Shared: subtle glow ===== */
.glow-top {
    position: relative;
}

.glow-top::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(43, 108, 176, 0.07) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* ===== Shared: CTA button ===== */
.cta-btn {
    display: inline-block;
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(43, 108, 176, 0.35);
}

/* ===== Support page: FAQ accordion ===== */
.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-toggle {
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.faq-toggle:hover .faq-icon {
    color: #63b3ed;
}

.faq-icon {
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1), color 0.2s ease;
    flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.3s ease;
    opacity: 0;
}

.faq-answer > div {
    overflow: hidden;
}

.faq-item.is-open .faq-answer {
    grid-template-rows: 1fr;
    opacity: 1;
}

/* ===== Support page: terms scroll ===== */
.terms-scroll {
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 179, 237, 0.25) transparent;
}

.terms-scroll::-webkit-scrollbar {
    width: 4px;
}

.terms-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.terms-scroll::-webkit-scrollbar-thumb {
    background: rgba(99, 179, 237, 0.25);
    border-radius: 4px;
}

.terms-scroll::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 179, 237, 0.45);
}

/* ===== Support page: section reveal ===== */
.support-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

.support-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}