/* =========================================================================
   紫微靈魂學苑｜Ama Yang - Main Stylesheet
   Theme: Eastern Spiritual, Deep Purple/Indigo with Gold Accents
========================================================================== */

:root {
    /* Color Palette */
    --color-primary: #2A1B4A; /* Deep Purple */
    --color-primary-dark: #160D2A;
    --color-primary-light: #4A337A;
    --color-secondary: #1A1B41; /* Indigo */
    --color-accent: #D4AF37; /* Metallic Gold */
    --color-accent-light: #F4D673;
    --color-accent-dark: #A68725;
    
    --color-bg-dark: #0B0A10;
    --color-text-main: #FDFBF7; /* Off-white */
    --color-text-muted: rgba(253, 251, 247, 0.7);
    --color-text-dark: #1A1B41;
    
    /* Gradients & Glassmorphism */
    --grad-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --grad-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(212, 175, 55, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Typography */
    --font-heading: 'Noto Serif TC', serif;
    --font-body: 'Noto Sans TC', sans-serif;
    
    /* Utilities */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =========================================
   Reset & Base Styles
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

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

ul {
    list-style: none;
}

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

/* =========================================
   Layout & Utility Classes
========================================= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.max-w-800 {
    max-width: 800px;
}

.section-padding {
    padding: 6rem 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-4 { margin-top: 2rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.full-width { width: 100%; display: block; text-align: center; }

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--grad-accent);
}

.section-title.text-left::after {
    left: 0;
    transform: none;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

.lead-text {
    font-size: 1.2rem;
    color: var(--color-text-main);
    letter-spacing: 0.5px;
}

/* =========================================
   Buttons
========================================= */
.cta-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.primary-btn {
    background: var(--grad-accent);
    color: var(--color-text-dark);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

.secondary-btn {
    background: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.secondary-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

/* =========================================
   Glassmorphism Cards
========================================= */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 2.5rem 2rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--grad-accent);
    opacity: 0;
    transition: var(--transition-fast);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px rgba(212, 175, 55, 0.1);
}

.glass-card:hover::before {
    opacity: 1;
}

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

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

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* =========================================
   Navigation
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition-fast);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(11, 10, 16, 0.85); /* Dark bg */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.8rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-size: 1rem;
    color: var(--color-text-main);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: var(--transition-fast);
}

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

.nav-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    border: 1px solid var(--color-accent);
    color: var(--color-text-main);
}

.nav-btn:hover {
    background: var(--color-accent);
    color: var(--color-text-dark);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   Hero Section
========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-image: url('hero-bg.png'); /* Provided image */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(11, 10, 16, 0.4) 0%, rgba(11, 10, 16, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin-top: 5rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    background: linear-gradient(to right, #FDFBF7, #D4AF37, #FDFBF7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientText 5s linear infinite;
    background-size: 200% auto;
}

@keyframes gradientText {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2.5rem;
    color: var(--color-text-muted);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.hero-features span {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* =========================================
   Pain Points Section
========================================= */
.pain-points {
    background: var(--color-bg-dark);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition-fast);
}

.glass-card:hover .icon-wrapper {
    background: var(--color-accent);
    color: var(--color-text-dark);
    transform: rotateY(180deg);
}

/* =========================================
   About Section
========================================= */
.diagonal-bg {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
    position: relative;
}

.diagonal-bg::before,
.diagonal-bg::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100px;
    background: var(--color-bg-dark);
    z-index: 1;
}

.diagonal-bg::before {
    top: 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

.diagonal-bg::after {
    bottom: 0;
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    background: linear-gradient(135deg, rgba(212,175,55,0.3) 0%, rgba(42,27,74,0) 100%);
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.5rem;
    font-family: var(--font-heading);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--grad-accent);
    color: var(--color-text-dark);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    border: 4px solid var(--color-bg-dark);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    padding: 0 10px;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
}

.about-highlights {
    margin-top: 2rem;
}

.about-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-highlights i {
    color: var(--color-accent);
    margin-top: 4px;
}

/* =========================================
   Services Section
========================================= */
.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(to right, rgba(255,255,255,0.02), rgba(255,255,255,0.05));
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    transition: var(--transition-fast);
}

.service-item:hover {
    background: rgba(212, 175, 55, 0.05);
    transform: translateX(10px);
}

.service-icon {
    font-size: 2rem;
    color: var(--color-accent);
}

.service-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.service-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.selling-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.point {
    background: var(--glass-bg);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
}

.point i {
    color: var(--color-accent);
}

/* =========================================
   Pricing Section
========================================= */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    transition: var(--transition-fast);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.pricing-card.premium {
    background: linear-gradient(135deg, rgba(42,27,74,0.8) 0%, rgba(22,13,42,0.9) 100%);
    border-color: var(--color-accent);
    transform: scale(1.05);
}

.pricing-card.premium:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 20px 40px rgba(212,175,55,0.2);
}

.popular-tag {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--grad-accent);
    color: var(--color-text-dark);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.5rem 3rem;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.card-header {
    padding: 2.5rem 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.card-header h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.pricing-card.premium .card-header h3 {
    color: var(--color-accent);
}

.price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.card-body {
    padding: 2.5rem 2rem;
}

.features {
    margin-bottom: 2.5rem;
}

.features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

.features i {
    color: var(--color-accent);
    font-size: 0.9rem;
}

.pricing-card.premium .features li {
    color: var(--color-text-main);
}

/* =========================================
   Testimonials Section
========================================= */
.diagonal-bg-reverse {
    background: linear-gradient(225deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
    position: relative;
}

.diagonal-bg-reverse::before,
.diagonal-bg-reverse::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100px;
    background: var(--color-bg-dark);
    z-index: 1;
}

.diagonal-bg-reverse::before {
    top: 0;
    clip-path: polygon(0 0, 100% 0, 0 100%, 0 0);
}

.diagonal-bg-reverse::after {
    bottom: 0;
    clip-path: polygon(100% 100%, 100% 0, 0 100%, 0 100%);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.testimonial-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    position: relative;
    transition: var(--transition-fast);
}

.testimonial-card:hover {
    background: rgba(255,255,255,0.08);
}

.quote-icon {
    font-size: 2rem;
    color: rgba(212, 175, 55, 0.3);
    margin-bottom: 1rem;
}

.review {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text-main);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.author h4 {
    margin: 0;
    color: var(--color-accent);
    font-size: 1.1rem;
}

.author span {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* =========================================
   FAQ Section
========================================= */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: var(--glass-bg);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    text-align: left;
    color: var(--color-text-main);
    font-size: 1.1rem;
    font-weight: 500;
    font-family: var(--font-body);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.accordion-header:hover,
.accordion-header.active {
    color: var(--color-accent);
    background: rgba(255,255,255,0.02);
}

.accordion-header i {
    transition: transform var(--transition-fast);
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    background: rgba(0,0,0,0.2);
}

.accordion-content p {
    padding: 0 2rem 1.5rem 2rem;
    color: var(--color-text-muted);
}

/* =========================================
   Footer
========================================= */
.footer {
    background: #050408;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--color-text-muted);
}

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

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* =========================================
   Animations & Reveal Effects
========================================= */
.element-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.element-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.slide-right {
    transform: translateX(-50px);
}

.slide-left {
    transform: translateX(50px);
}

.element-reveal.slide-right.active,
.element-reveal.slide-left.active {
    transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* =========================================
   Responsive Design
========================================= */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .pricing-card.premium {
        transform: scale(1);
    }
    .pricing-card.premium:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--color-bg-dark);
        padding-top: 80px;
        transition: 0.4s;
        box-shadow: -5px 0 15px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-btn {
        display: none;
    }
    
    .menu-toggle {
        display: block;
        z-index: 1001;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}