/* index.css - Design System & Styling */

:root {
    /* Color Palette */
    --primary: #A38CBA;       /* Lilac/Lavender main accent */
    --primary-hover: #8D73A6;
    --secondary: #D4C4E1;     /* Light Lilac */
    --accent: #E8D5A6;        /* Soft Gold for contrast */
    
    --bg-main: #FFFFFF;
    --bg-alt: #F8F9FA;
    --bg-dark: #1A1A1A;       /* For founder section */
    --bg-pricing: #B59CD1;    /* Pricing background based on Lilac */
    
    --text-main: #333333;
    --text-muted: #666666;
    --text-light: #FFFFFF;
    
    --border-radius: 12px;
    --border-radius-lg: 24px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 15px 40px rgba(163, 140, 186, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Noto Serif TC', serif;
}

/* Reset & Scaffolding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .brand-text {
    font-family: var(--font-serif);
    font-weight: 600;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.text-white {
    color: var(--text-light);
}

/* Typography Utilities */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 12px;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(163, 140, 186, 0.3);
}

.btn-outline {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--text-light);
}

.btn-outline-lilac {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-lilac:hover {
    background-color: var(--primary);
    color: var(--text-light);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-main);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 0.5rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 36px;
    width: auto;
    border-radius: 50%;
    margin-right: 0.5rem;
    object-fit: contain;
}

.brand-text {
    font-size: 1.5rem;
    color: var(--primary);
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.brand-text span {
    font-size: 0.8rem;
    font-family: var(--font-sans);
    letter-spacing: 2px;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links li a {
    font-weight: 500;
    color: var(--text-main);
    position: relative;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-links li a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 1rem;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    padding: 12rem 2rem 8rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    overflow: hidden;
}

/* Add a very subtle lilac gradient blob behind */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(163,140,186,0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml;utf8,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1.5" fill="rgba(163,140,186,0.1)"/></svg>');
    opacity: 0.5;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 500px;
    margin-right: 4rem;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--text-main), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

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

.hero-image-wrapper {
    position: relative;
    z-index: 2;
    width: 500px;
}

.hero-float {
    animation: float 6s ease-in-out infinite;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    background-color: white;
    padding: 1rem;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* --- Intro Section (Dark styling similar to founder block) --- */
.intro-section {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 6rem 0;
}

.intro-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.8);
}

.intro-image {
    flex: 1;
    position: relative;
}

.rounded-image {
    border-radius: var(--border-radius-lg);
    width: 100%;
}

.shadow-lg {
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.image-caption {
    position: absolute;
    bottom: -20px;
    right: 20px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.image-caption span {
    font-family: var(--font-serif);
    margin-bottom: 0.2rem;
}

.image-caption small {
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 2px;
}

/* --- Features Section --- */
.features-section {
    padding: 8rem 0;
    background-color: var(--bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 3rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--bg-main);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    position: relative;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.feature-badge {
    display: inline-block;
    background-color: var(--secondary);
    color: var(--text-main);
    padding: 0.3rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.feature-img-wrapper {
    position: relative;
    height: 250px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    background: var(--bg-alt);
    overflow: hidden;
}

.feature-img-wrapper img {
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.feature-card:hover .feature-img-wrapper img {
    transform: scale(1.05);
}

.floating-icon {
    position: absolute;
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    font-size: 1.2rem;
    z-index: 2;
}

.icon-1 { top: 10%; left: 10%; animation: float 4s ease-in-out infinite reverse; }
.icon-2 { bottom: 10%; right: 10%; animation: float 5s ease-in-out infinite; }
.icon-3 { top: 50%; left: 5%; animation: float 6s ease-in-out infinite 1s; }

.hero-bg-overlay {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.abstract-shape {
    color: white;
    font-size: 1.5rem;
    font-family: var(--font-serif);
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* --- Pricing Section --- */
.pricing-section {
    background-color: var(--bg-pricing);
    padding: 8rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 3rem auto 0;
}

.pricing-card {
    background: var(--bg-main);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    text-align: left;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.card-icon-header {
    margin-bottom: 1.5rem;
}

.icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.icon-circle.gray {
    background-color: #E0E0E0;
    color: #666;
}

.icon-circle.gold {
    background-color: var(--accent);
    color: #bfa460;
}

.price {
    margin-bottom: 1rem;
    display: flex;
    align-items: baseline;
}

.currency {
    font-size: 1.2rem;
    font-weight: 600;
}

.amount {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    margin: 0 0.2rem;
}

.period {
    color: var(--text-muted);
}

.plan-name {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--text-main);
}

.plan-features {
    margin-bottom: 2.5rem;
}

.plan-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-main);
}

.plan-features li:last-child {
    border-bottom: none;
}

.check {
    color: var(--primary);
    font-weight: bold;
}

.cross {
    color: #CCC;
}

/* --- Process Section --- */
.process-section {
    padding: 6rem 0 8rem;
    background-color: var(--accent);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 4rem 0;
}

.process-item {
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

.process-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: white;
    box-shadow: inset 0 0 0 2px var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    margin: 0 auto 1.5rem;
}

.process-item h3 {
    margin-bottom: 1rem;
}

.mt-auto {
    margin-top: auto;
}

/* --- Footer --- */
.footer {
    background-color: var(--bg-main);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.footer h2 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.footer p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    font-size: 0.9rem;
}

/* --- Animations & Micro-interactions --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUpAnim 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeUpAnim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CSS classes for JS scroll intersection observer */
.fade-up-scroll, .fade-in-scroll {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up-scroll {
    transform: translateY(40px);
}

.fade-in-scroll.right {
    transform: translateX(40px);
}

.fade-in-scroll.left {
    transform: translateX(-40px);
}

.is-visible {
    opacity: 1;
    transform: translate(0, 0) !important;
}

/* Responsive */
@media (max-width: 900px) {
    .nav-links, .nav-actions {
        display: none; /* Simplification for prototype */
    }
    
    .hero {
        flex-direction: column;
        padding-top: 8rem;
        text-align: center;
    }
    
    .hero-content {
        margin-right: 0;
        margin-bottom: 4rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .intro-container {
        flex-direction: column;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   Member Login / Register Modal
   ============================================= */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(6px);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.is-open {
    opacity: 1;
    pointer-events: all;
}

.modal-box {
    background: #fff;
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2.5rem 2rem;
    width: min(480px, 95vw);
    position: relative;
    box-shadow: 0 30px 80px rgba(0,0,0,0.2);
    transform: translateY(24px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.modal-overlay.is-open .modal-box {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.modal-close:hover { color: var(--text-main); }

.modal-tabs {
    display: flex;
    border-bottom: 2px solid #f0f0f0;
    margin-bottom: 1.8rem;
    gap: 0.5rem;
}

.modal-tab {
    background: none;
    border: none;
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-serif);
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
}

.modal-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.modal-tab.active { color: var(--primary); }
.modal-tab.active::after { width: 100%; }

.modal-panel { display: none; }
.modal-panel.active { display: block; }

.modal-lead {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 1.4rem;
    font-size: 0.95rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.85rem 1.2rem;
    border-radius: 10px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 0.85rem;
}

.google-btn {
    background: #fff;
    color: #333;
    border: 2px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.google-btn:hover {
    border-color: #4285F4;
    box-shadow: 0 4px 16px rgba(66,133,244,0.15);
    transform: translateY(-2px);
}

.line-btn {
    background: #06C755;
    color: #fff;
    box-shadow: 0 2px 8px rgba(6,199,85,0.25);
}

.line-btn:hover {
    background: #05a846;
    box-shadow: 0 4px 16px rgba(6,199,85,0.35);
    transform: translateY(-2px);
}

.apple-btn {
    background: #000;
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.apple-btn:hover {
    background: #1a1a1a;
    box-shadow: 0 4px 16px rgba(0,0,0,0.35);
    transform: translateY(-2px);
}

.modal-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.2rem 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.modal-divider::before,
.modal-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e8e8e8;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    color: var(--text-main);
    transition: border-color 0.2s;
    outline: none;
    background: #fafafa;
}

.form-group input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(163,140,186,0.15);
}

/* Success Toast */
.member-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-dark);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s ease;
    pointer-events: none;
    white-space: nowrap;
}

.member-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}