/* ============================================================
   hhpoker 安装下载 - 自定义样式表
   主色调: #16A34A (green-600)
   ============================================================ */

/* ---- Base & Smooth Scroll ---- */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: #16A34A;
    color: #fff;
}

::-moz-selection {
    background-color: #16A34A;
    color: #fff;
}

/* ---- Navbar Scroll Effect ---- */
#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* ---- Feature Cards Hover ---- */
.feature-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-4px) !important;
}

/* ---- Stat Items ---- */
.stat-item {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease, transform 0.5s ease, background-color 0.3s ease;
}

.stat-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Stat Counter Number ---- */
.stat-item .counter-number {
    display: inline-block;
    transition: all 0.1s ease;
}

/* ---- Testimonial Cards ---- */
.testimonial-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.3s ease;
}

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

.testimonial-card:hover {
    transform: translateY(-4px) !important;
}

/* ---- FAQ Accordion ---- */
.faq-item {
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item:hover {
    border-color: #bbf7d0;
}

.faq-item.active {
    border-color: #16A34A;
    box-shadow: 0 4px 24px rgba(22, 163, 74, 0.1);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: #16A34A;
}

.faq-content {
    animation: faqSlideDown 0.35s ease forwards;
    overflow: hidden;
}

@keyframes faqSlideDown {
    0% {
        opacity: 0;
        max-height: 0;
        transform: translateY(-8px);
    }
    100% {
        opacity: 1;
        max-height: 500px;
        transform: translateY(0);
    }
}

/* ---- Back to Top Button ---- */
#back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    transform: translateY(-2px);
}

/* ---- Mobile Menu ---- */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Hero Steps Connector (responsive hidden on small) ---- */
@media (max-width: 639px) {
    .hero-step-connector {
        display: none;
    }
}

/* ---- CTA Pulse Ring ---- */
.cta-pulse {
    animation: ctaPulse 2s ease-in-out infinite;
}

@keyframes ctaPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(22, 163, 74, 0);
    }
}

/* ---- Section Reveal on Scroll ---- */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Staggered children reveal ---- */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.10s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.20s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.30s; }
.stagger-children.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #16A34A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #15803d;
}

/* ---- Focus ring for accessibility ---- */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #16A34A;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---- Image loading placeholder ---- */
img {
    image-rendering: auto;
}

/* ---- Button active scale ---- */
button:active,
a:active {
    transform: scale(0.97);
}

/* ---- Footer link hover underline ---- */
footer a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ---- Responsive Typography ---- */
@media (max-width: 480px) {
    h1 {
        font-size: 2rem !important;
    }
    h2 {
        font-size: 1.625rem !important;
    }
}

/* ---- Print Styles ---- */
@media print {
    #navbar,
    #back-to-top,
    #mobile-menu {
        display: none !important;
    }
    body {
        padding-top: 0;
    }
}