/* ===== CSS Variables & Reset ===== */
:root {
    --orange: #FF6B35;
    --orange-light: #FF8C5A;
    --orange-dark: #E55A2B;
    --orange-glow: rgba(255, 107, 53, 0.3);
    --black: #1A1A2E;
    --dark: #16213E;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #FFFFFF;
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul { list-style: none; }
img { max-width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    gap: 8px;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
    box-shadow: 0 4px 16px var(--orange-glow);
}

.btn-primary:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--orange-glow);
}

.btn-outline {
    border: 2px solid var(--orange);
    color: var(--orange);
}

.btn-outline:hover {
    background: var(--orange);
    color: var(--white);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
    border-radius: var(--radius);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
    border: 1px solid var(--orange);
    color: var(--orange);
    border-radius: var(--radius-sm);
}

.btn-sm:hover {
    background: var(--orange);
    color: var(--white);
}

/* ===== Section Common ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.125rem;
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 60px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 900;
}

.nav-logo .logo-icon {
    font-size: 1.75rem;
}

.nav-logo .logo-text {
    color: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .nav-logo .logo-text {
    color: var(--gray-900);
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--orange);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--white);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.navbar.scrolled .nav-link {
    color: var(--gray-700);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--orange);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

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

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, var(--orange-glow) 0%, transparent 60%);
    opacity: 0.5;
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 107, 53, 0.4);
    animation: float 6s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { transform: translateY(-100px) translateX(30px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 1000px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
}

.hero-qr {
    text-align: center;
}

.qr-box {
    width: 160px;
    height: 160px;
    background: var(--white);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 12px;
}

.qr-box span {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 8px;
}

.qr-scan-animation {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--orange);
    box-shadow: 0 0 8px var(--orange);
    animation: scan 2s ease-in-out infinite;
}

@keyframes scan {
    0% { top: 10%; }
    50% { top: 85%; }
    100% { top: 10%; }
}

.hero-qr p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.hero-phone {
    perspective: 1000px;
}

.phone-mockup {
    width: 220px;
    height: 440px;
    background: var(--gray-900);
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4), inset 0 2px 0 rgba(255, 255, 255, 0.1);
    transform: rotateY(-8deg) rotateX(2deg);
    transition: transform 0.6s ease;
}

.phone-mockup:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 26px;
    overflow: hidden;
    padding: 20px 12px;
}

.screen-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
}

.mock-header {
    height: 40px;
    background: linear-gradient(135deg, var(--orange), var(--orange-light));
    border-radius: 8px;
}

.mock-card {
    flex: 1;
    background: var(--gray-100);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.mock-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% { left: 150%; }
}

.mock-nav {
    height: 44px;
    background: var(--gray-200);
    border-radius: 22px;
}

.hero-mobile-cta {
    display: none;
    margin-top: 40px;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8125rem;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transform: rotate(45deg);
    margin: 8px auto 0;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); }
    50% { transform: rotate(45deg) translate(4px, 4px); }
}

/* ===== Features Section ===== */
.features {
    padding: 120px 0;
    background: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 107, 53, 0.05));
    border-radius: 16px;
    color: var(--orange);
    margin-bottom: 24px;
}

.feature-item h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-item > p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-visual {
    margin-top: 20px;
}

/* Flow Steps */
.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--gray-700);
}

.step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--orange);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.flow-arrow {
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 6px 12px;
    background: var(--gray-100);
    border-radius: 20px;
    font-size: 0.8125rem;
    color: var(--gray-700);
    transition: var(--transition);
}

.tag:hover {
    background: var(--orange);
    color: var(--white);
}

/* Mock Form */
.mock-form {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 16px;
}

.form-line {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
}

.form-line:last-of-type {
    border-bottom: none;
}

.form-label {
    font-size: 1rem;
}

.form-value {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.form-btn {
    margin-top: 12px;
    padding: 8px;
    background: var(--orange);
    color: var(--white);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 120px 0;
    background: var(--gray-100);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    border: 1px solid transparent;
}

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

.testimonial-avatar {
    font-size: 2rem;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 16px;
}

.testimonial-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.testimonial-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.testimonial-tag {
    font-size: 0.75rem;
    color: var(--orange);
    background: rgba(255, 107, 53, 0.08);
    padding: 4px 10px;
    border-radius: 12px;
}

.testimonial-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500, #999);
    font-size: 0.9375rem;
}

.testimonial-stars {
    color: #f5a623;
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.testimonial-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

/* ===== Trust & Safety ===== */
.trust {
    padding: 120px 0;
    background: var(--white);
}

.trust-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.trust-auth {
    margin-bottom: 80px;
}

.auth-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.auth-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    background: var(--gray-100);
    transition: var(--transition);
}

.auth-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.auth-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.auth-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.auth-item p {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* Fund Flow */
.trust-fund {
    margin-bottom: 80px;
}

.fund-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    padding: 40px 20px;
    background: linear-gradient(135deg, #fafafa, #f5f5f5);
    border-radius: var(--radius-lg);
}

.fund-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
}

.fund-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.fund-step span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
}

.fund-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--orange-light));
    position: relative;
}

.fund-connector::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -3px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--orange);
    border-right: 2px solid var(--orange);
    transform: rotate(45deg);
}

/* Dispute */
.dispute-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.dispute-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: var(--transition);
}

.dispute-card:hover {
    border-color: var(--orange);
    box-shadow: 0 8px 32px var(--orange-glow);
}

.dispute-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.dispute-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.dispute-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== Partnership ===== */
.partnership {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.partner-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 40px;
    color: var(--gray-600);
    border: 2px solid var(--gray-300);
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--orange);
    color: var(--orange);
}

.tab-btn.active {
    background: var(--orange);
    border-color: var(--orange);
    color: var(--white);
    box-shadow: 0 4px 16px var(--orange-glow);
}

.tab-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.panel-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.panel-target {
    color: var(--gray-600);
    margin-bottom: 28px;
    font-size: 0.9375rem;
}

.requirements, .benefits {
    margin-bottom: 24px;
}

.requirements h4, .benefits h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--gray-800);
}

.requirements ul {
    padding-left: 0;
}

.requirements li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 0.9375rem;
    color: var(--gray-700);
}

.requirements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--orange);
    font-weight: 700;
}

.benefit-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.benefit-tag {
    padding: 8px 14px;
    background: rgba(255, 107, 53, 0.08);
    color: var(--orange-dark);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.model-desc {
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.8;
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--orange);
}

.city-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Panel Visuals */
.host-card-preview {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.preview-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--orange), var(--orange-light));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.preview-avatar {
    font-size: 4rem;
    margin-bottom: 12px;
}

.preview-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.preview-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.merchant-cases {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.case-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateX(4px);
    border-color: var(--orange);
}

.case-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--orange);
    background: rgba(255, 107, 53, 0.08);
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.case-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.case-card p {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* City Map */
.city-map {
    position: relative;
}

.map-bg {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--dark) 0%, #0F3460 100%);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.city-dot {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
}

.city-dot::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--orange);
    box-shadow: 0 0 12px var(--orange);
    animation: pulse-dot 2s infinite;
}

.city-dot span {
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 500;
}

.city-dot.waiting::before {
    background: var(--gray-500);
    box-shadow: 0 0 12px var(--gray-500);
    animation: pulse-dot 3s infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.6; }
}

.dot-1 { top: 25%; left: 60%; }
.dot-2 { top: 50%; left: 75%; }
.dot-3 { top: 72%; left: 58%; }
.dot-4 { top: 75%; left: 65%; }
.dot-5 { top: 55%; left: 38%; }
.dot-6 { top: 48%; left: 70%; }
.dot-7 { top: 40%; left: 45%; }

/* ===== Help Center ===== */
.help {
    padding: 120px 0;
    background: var(--white);
}

.help-search {
    max-width: 600px;
    margin: 0 auto 60px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 18px 24px;
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 40px;
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 4px var(--orange-glow);
}

.search-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 10;
    overflow: hidden;
}

.search-suggestions.show {
    display: block;
}

.suggestion-item {
    padding: 12px 24px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.suggestion-item:hover {
    background: var(--gray-100);
    color: var(--orange);
}

/* FAQ */
.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 40px;
}

.faq-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--gray-500);
    transition: var(--transition);
}

.faq-item.open .faq-question::after {
    content: '−';
    color: var(--orange);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 18px;
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Help Contact */
.help-contact {
    text-align: center;
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid var(--gray-200);
}

.help-contact h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.contact-options {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 32px 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--orange);
    box-shadow: 0 8px 32px var(--orange-glow);
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 2rem;
}

.contact-label {
    font-weight: 600;
    font-size: 1rem;
}

.contact-desc {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* ===== About Us ===== */
.about {
    padding: 120px 0;
    background: var(--gray-100);
}

.about-story {
    max-width: 800px;
    margin: 0 auto 80px;
}

.about-story h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.story-content p {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.story-content p:first-child {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--gray-800);
    border-left: 3px solid var(--orange);
    padding-left: 20px;
}

.about-team {
    margin-bottom: 80px;
}

.about-team h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.team-desc {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.member-avatar {
    font-size: 3rem;
    margin-bottom: 16px;
}

.team-member h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.team-member p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Careers */
.about-careers {
    max-width: 700px;
    margin: 0 auto;
}

.about-careers h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.about-careers > p {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 32px;
}

.careers-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.career-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.career-item:hover {
    border-color: var(--orange);
}

.career-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.career-location {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.careers-email {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.careers-email a {
    color: var(--orange);
    font-weight: 500;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand .logo-icon {
    font-size: 1.75rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 900;
}

.footer-slogan {
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-col a {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.footer-col a:hover {
    color: var(--orange);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-legal a:hover {
    color: var(--orange);
}

.footer-record {
    text-align: right;
}

.footer-record p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 4px;
}

.footer-record a {
    color: rgba(255, 255, 255, 0.4);
}

.footer-record a:hover {
    color: var(--orange);
}

/* ===== Floating CTA ===== */
.floating-cta {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
}

.floating-cta-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--orange);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--orange-glow);
    position: relative;
    transition: var(--transition);
}

.floating-cta-btn:hover {
    transform: scale(1.1);
}

.cta-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--orange);
    animation: cta-pulse 2s infinite;
}

@keyframes cta-pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.floating-cta-expanded {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    width: 200px;
    display: none;
    animation: slideUp 0.3s ease;
}

.floating-cta-expanded.show {
    display: block;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.qr-section {
    margin-bottom: 12px;
}

.qr-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.qr-placeholder span {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.qr-scan-line {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--orange);
    animation: scan 2s ease-in-out infinite;
}

.contact-section p {
    font-size: 0.75rem;
    color: var(--gray-600);
    text-align: center;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 500px;
    width: 100%;
    position: relative;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2rem;
    color: var(--gray-500);
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--gray-900);
}

.modal-body h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 28px;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step h4 {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px var(--orange-glow);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.15s; }
.fade-up.delay-2 { transition-delay: 0.3s; }
.fade-up.delay-3 { transition-delay: 0.45s; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .panel-layout {
        grid-template-columns: 1fr;
    }

    .panel-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 8px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--gray-800);
        font-size: 1.125rem;
        padding: 12px 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 40px;
    }

    .hero-phone {
        display: none;
    }

    .hero-mobile-cta {
        display: block;
    }

    .hero-qr {
        display: none;
    }

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

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

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

    .fund-flow {
        flex-direction: column;
        gap: 16px;
    }

    .fund-connector {
        width: 2px;
        height: 24px;
        transform: rotate(90deg);
    }

    .dispute-cards {
        grid-template-columns: 1fr;
    }

    .tab-nav {
        gap: 4px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }

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

    .footer-top {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    .footer-record {
        text-align: center;
    }

    .floating-cta {
        bottom: 20px;
        right: 20px;
    }

    .modal-content {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .contact-options {
        flex-direction: column;
        align-items: center;
    }

    .contact-card {
        width: 100%;
    }
}