/* ============================================================
   小鱼POKER - Main Stylesheet
   Theme: Fresh Aqua / Ocean Blue with Coral Accents
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
    --primary: #0EA5E9;
    --primary-dark: #0284C7;
    --primary-light: #38BDF8;
    --primary-bg: #E0F2FE;
    --primary-bg-light: #F0F9FF;
    --accent: #F97316;
    --accent-dark: #EA580C;
    --accent-light: #FDBA74;
    --text-dark: #0F172A;
    --text-body: #334155;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.08), 0 8px 20px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 60px rgba(0, 0, 0, 0.10), 0 10px 25px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-body);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    line-height: 1.3;
    font-weight: 700;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
    font-family: var(--font-sans);
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), #0369A1);
    box-shadow: 0 6px 25px rgba(14, 165, 233, 0.55);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-bg);
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-dark), #C2410C);
    box-shadow: 0 6px 25px rgba(249, 115, 22, 0.55);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.55rem 1.25rem;
    font-size: 0.875rem;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 0.6rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .navbar-brand {
    color: var(--gray-900);
}

.navbar-brand i {
    font-size: 1.6rem;
    color: var(--accent);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
}

.navbar.scrolled .navbar-links a {
    color: var(--text-body);
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
    width: 100%;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--accent);
}

.navbar-cta .btn {
    padding: 0.55rem 1.5rem;
    font-size: 0.9rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar.scrolled .hamburger span {
    background: var(--gray-900);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    padding: 5rem 2rem 2rem;
    flex-direction: column;
    gap: 1rem;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-body);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

.mobile-menu .btn {
    margin-top: 0.5rem;
    text-align: center;
}

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    transition: opacity 0.35s ease;
}

.mobile-overlay.show {
    display: block;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    background: linear-gradient(160deg, #0EA5E9 0%, #0284C7 40%, #0369A1 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -25%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -15%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* Bubble decorations */
.hero-bubbles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    animation: float-up 6s ease-in-out infinite;
}

.hero-bubble:nth-child(1) {
    width: 40px;
    height: 40px;
    left: 10%;
    bottom: 20%;
    animation-delay: 0s;
}

.hero-bubble:nth-child(2) {
    width: 25px;
    height: 25px;
    left: 25%;
    bottom: 35%;
    animation-delay: 1.5s;
    animation-duration: 5s;
}

.hero-bubble:nth-child(3) {
    width: 50px;
    height: 50px;
    left: 60%;
    bottom: 15%;
    animation-delay: 3s;
    animation-duration: 7s;
}

.hero-bubble:nth-child(4) {
    width: 20px;
    height: 20px;
    left: 75%;
    bottom: 40%;
    animation-delay: 2s;
    animation-duration: 4.5s;
}

.hero-bubble:nth-child(5) {
    width: 35px;
    height: 35px;
    left: 45%;
    bottom: 50%;
    animation-delay: 4s;
    animation-duration: 6.5s;
}

.hero-bubble:nth-child(6) {
    width: 15px;
    height: 15px;
    left: 85%;
    bottom: 25%;
    animation-delay: 0.5s;
    animation-duration: 5.5s;
}

@keyframes float-up {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-30px) scale(1.1);
        opacity: 0.6;
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
}

.hero-badge i {
    color: var(--accent-light);
}

.hero h1 {
    font-size: 3.25rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.hero h1 .highlight {
    color: var(--accent-light);
    position: relative;
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
    object-fit: cover;
}

.hero-image-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

/* --- Features Section --- */
.features {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.6rem;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.feature-card p {
    font-size: 0.925rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- Stats Section --- */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-bg-light) 0%, var(--primary-bg) 50%, #BAE6FD 100%);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
    line-height: 1.2;
}

.stat-number .counter-plus {
    color: var(--accent);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-icon {
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

/* --- Testimonials Section --- */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    transform: translateY(-4px);
}

.testimonial-card::before {
    content: '\201C';
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    color: var(--primary);
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: Georgia, serif;
}

.testimonial-stars {
    color: #F59E0B;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-bg);
}

.testimonial-name {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 0.95rem;
}

.testimonial-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- FAQ Section --- */
.faq {
    padding: 100px 0;
    background: var(--gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-light);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-dark);
}

.faq-icon {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: transform 0.35s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.75;
}

/* --- CTA Section --- */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 50%, #0369A1 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta::before {
    content: '';
    position: absolute;
    top: -80px;
    left: -80px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-accent {
    font-size: 1.1rem;
    padding: 1rem 3rem;
}

/* --- Footer --- */
.footer {
    background: var(--gray-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand-desc {
    font-size: 0.925rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
}

/* --- Page Header (Inner Pages) --- */
.page-header {
    background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 50%, #0369A1 100%);
    padding: 140px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header h1 {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    position: relative;
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.page-breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
}

.page-breadcrumb a:hover {
    color: var(--white);
}

/* --- About Page --- */
.about-story {
    padding: 80px 0;
}

.about-story .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-story-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.about-story-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-story-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
}

.about-story-content p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.mission-values {
    padding: 80px 0;
    background: var(--primary-bg-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    margin-top: 3rem;
}

.value-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.value-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.value-card .value-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.5rem;
    color: var(--primary);
}

.value-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.value-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.team-section {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    margin-top: 3rem;
}

.team-card {
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-6px);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 4px solid var(--primary-bg);
    box-shadow: var(--shadow-md);
}

.team-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.team-card .team-role {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
}

/* --- Download Page --- */
.download-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.download-tab {
    padding: 0.75rem 2rem;
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    background: var(--white);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.download-tab:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.download-tab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.download-panel {
    display: none;
}

.download-panel.active {
    display: block;
}

.download-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    transition: var(--transition);
}

.download-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.download-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.25rem;
}

.download-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.download-version {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.download-qr {
    width: 160px;
    height: 160px;
    border: 3px dashed var(--gray-200);
    border-radius: var(--radius);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    background: var(--gray-50);
}

.sys-req {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--primary-bg-light);
    border-radius: var(--radius-lg);
}

.sys-req h3 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.sys-req-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.sys-req-item {
    text-align: center;
}

.sys-req-item h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.sys-req-item p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* --- Contact Page --- */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-form-wrapper h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-900);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    color: var(--text-dark);
    transition: var(--transition);
    background: var(--gray-50);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.contact-info-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transition);
}

.contact-info-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.contact-info-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* --- Toast / Form Feedback --- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--gray-900);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    background: #059669;
}

.toast.error {
    background: #DC2626;
}

/* --- Scroll to Top --- */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-story .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-links,
    .navbar-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image-wrapper {
        order: -1;
    }

    .hero-image {
        max-width: 300px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .cta h2 {
        font-size: 1.75rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr 1fr;
    }

    .sys-req-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .download-tabs {
        flex-direction: column;
        align-items: center;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}