/* ===== CSS Variables ===== */
:root {
    /* Theme Colors */
    --void-black: #0F1115;
    --deep-space: #050505;
    --slate-grey: #1E293B;
    --steel-white: #E2E8F0;
    --muted-text: #94A3B8;

    /* Accent Colors */
    --strategic-gold: #D4AF37;
    --gold-glow: rgba(212, 175, 55, 0.4);
    --insight-blue: #3B82F6;
    --alert-crimson: #9F1D2F;

    /* Gradients */
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #C5A028 100%);
    --glass-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', 'Noto Sans TC', sans-serif;
    --font-code: 'JetBrains Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 8px 32px var(--gold-glow);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--void-black);
    color: var(--steel-white);
    line-height: 1.8;
    font-size: 18px;
    overflow-x: hidden;
    position: relative;
}

/* ===== Dynamic Background ===== */
.bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(ellipse at top, var(--void-black) 0%, var(--deep-space) 100%);
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.bg-glow.gold {
    width: 400px;
    height: 400px;
    background: var(--strategic-gold);
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.bg-glow.blue {
    width: 500px;
    height: 500px;
    background: var(--insight-blue);
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.bg-glow.crimson {
    width: 300px;
    height: 300px;
    background: var(--alert-crimson);
    top: 60%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(10px, -10px) scale(1.05);
        /* Reduced from 30px */
    }

    50% {
        transform: translate(-10px, 10px) scale(0.95);
        /* Reduced from 20px */
    }

    75% {
        transform: translate(10px, 10px) scale(1.02);
        /* Reduced from 20px */
    }
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    transition: transform 0.3s ease;
    height: 64px;
    /* Increased height */
}

.logo:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.logo-img {
    height: 80%;
    /* Slightly smaller than container to leave breathing room */
    width: auto;
    object-fit: contain;
    max-width: 200px !important;
    /* Reduced from 350px to prevent it being too large */
}

.logo-text {
    display: none;
}

.nav-menu,
.nav-menu ul {
    display: flex;
    list-style: none !important;
    gap: 2rem;
    align-items: center;
    margin: 0 !important;
    padding: 0 !important;
}

.nav-menu li {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link,
.nav-menu li a {
    color: var(--steel-white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    display: inline-block;
}

.nav-link::after,
.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--strategic-gold);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after,
.nav-menu li a:hover::after,
.nav-menu li.current-menu-item a::after,
.nav-menu li.current_page_item a::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active,
.nav-menu li a:hover,
.nav-menu li.current-menu-item a,
.nav-menu li.current_page_item a {
    color: var(--strategic-gold);
}

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

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 900;
    line-height: 1.2;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--void-black);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--strategic-gold);
    color: var(--strategic-gold);
}

.btn-secondary:hover {
    background: var(--gold-glow);
    color: var(--steel-white);
}

.btn-text {
    background: transparent;
    color: var(--strategic-gold);
    padding: 0.5rem 1rem;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--strategic-gold);
    transition: width 0.3s ease;
}

.btn-text:hover::after {
    width: 100%;
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

/* ===== Glass Card ===== */
.glass-card {
    background: var(--glass-gradient);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    transform: translateY(-12px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow-gold);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: 80px;
    position: relative;
    background-image: url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

/* 背景疊加層 1: 深色濾鏡與暗角 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at center, rgba(15, 17, 21, 0.4) 0%, rgba(5, 5, 5, 0.95) 100%),
        linear-gradient(135deg, rgba(10, 10, 15, 0.9), rgba(10, 10, 15, 0.7));
    background-blend-mode: multiply;
    z-index: 1;
}

/* 背景疊加層 2: 科技感網格紋理 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center;
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;
}

/* 懸浮粒子容器 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: var(--strategic-gold);
    border-radius: 50%;
    opacity: 0;
    animation: float-up 10s infinite linear;
}

.particle:nth-child(1) {
    width: 4px;
    height: 4px;
    left: 10%;
    animation-duration: 8s;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 6px;
    height: 6px;
    left: 30%;
    animation-duration: 12s;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    width: 3px;
    height: 3px;
    left: 50%;
    animation-duration: 6s;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    width: 5px;
    height: 5px;
    left: 70%;
    animation-duration: 10s;
    animation-delay: 1s;
}

.particle:nth-child(5) {
    width: 4px;
    height: 4px;
    left: 90%;
    animation-duration: 14s;
    animation-delay: 3s;
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }

    20% {
        opacity: 0.4;
    }

    80% {
        opacity: 0.2;
    }

    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 3;
    /* 確保內容在粒子之上 */
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: -2px;
    background-image: url('../images/gold-leaf.png');
    background-size: 200% auto;
    background-position: center;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
    animation: gold-shimmer 20s linear infinite alternate;
}

@keyframes gold-shimmer {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--steel-white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    background: linear-gradient(to bottom, #fff, #a0a0a0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--muted-text);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ===== Featured Quote ===== */
.featured-quote {
    padding: var(--spacing-xl) 0;
}

.quote-card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) calc(var(--spacing-lg) + 60px);
    /* 左側留空間給圖片條 */
    position: relative;
    border-left: 4px solid var(--strategic-gold);
    overflow: hidden;
}

/* 裝飾性圖片條 */
.quote-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 100%;
    background-image: url('../images/gold-texture.png');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    mask-image: linear-gradient(to right, black, transparent);
    -webkit-mask-image: linear-gradient(to right, black, transparent);
}

.quote-icon {
    font-size: 3rem;
    color: var(--strategic-gold);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.quote-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--steel-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.quote-author {
    display: block;
    color: var(--strategic-gold);
    font-size: 1rem;
    font-style: normal;
    text-align: right;
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 3rem;
    color: var(--steel-white);
    margin-bottom: var(--spacing-sm);
}

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

/* ===== Philosophy Section ===== */
.philosophy {
    padding: var(--spacing-xl) 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}



/* ===== Content Series ===== */
.content-series {
    padding: var(--spacing-xl) 0;
}

.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.series-card {
    position: relative;
    overflow: hidden;
    /* Padding removed to allow full-bleed backgrounds in children */
}



/* ===== Concept Cards (for Philosophy) ===== */
.concept-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 480px;
    /* Tall poster format */
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.concept-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border-color: var(--strategic-gold);
}

.concept-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.8s ease;
    z-index: 1;
}

.concept-card:hover .concept-bg {
    transform: scale(1.1);
}

.concept-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(5, 5, 5, 0.95) 0%,
            rgba(5, 5, 5, 0.7) 50%,
            rgba(5, 5, 5, 0.3) 100%);
    z-index: 2;
}

.concept-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* Text at bottom */
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.concept-icon {
    font-size: 2.5rem;
    color: var(--strategic-gold);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.concept-card:hover .concept-icon {
    transform: translateY(-10px) scale(1.1);
}

.concept-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: white;
    margin-bottom: 0.5rem;
}

.concept-subtitle {
    font-family: var(--font-code);
    color: var(--strategic-gold);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.concept-description {
    color: var(--steel-white);
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}


/* ===== Course Cards (for Content Series) ===== */
.course-card {
    background: rgba(30, 41, 59, 0.4);
    /* Glass dark */
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100%;
    /* Fill grid cell */
}

.course-card:hover {
    transform: translateY(-5px);
    border-color: var(--strategic-gold);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.course-header {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.course-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.course-card:hover .course-image {
    transform: scale(1.1);
}

.course-badges {
    position: absolute;
    top: 1rem;
    right: 1rem;
    /* Moved to right */
    left: auto;
    display: flex;
    gap: 0.5rem;
    z-index: 2;
}

.course-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.badge-status-active {
    background: rgba(59, 130, 246, 0.9);
    color: white;
}

.badge-status-upcoming {
    background: rgba(15, 23, 42, 0.9);
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.course-icon-floating {
    position: absolute;
    top: 1rem;
    /* Top of card */
    left: 1rem;
    /* Left (Front) of card */
    bottom: auto;
    right: auto;
    width: 3rem;
    height: 3rem;
    background: rgba(15, 17, 21, 0.8);
    /* Slight transparency */
    backdrop-filter: blur(4px);
    border: 1px solid var(--strategic-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--strategic-gold);
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.course-body {
    padding: 1.5rem;
    /* Reduced top padding */
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-series-name {
    font-family: var(--font-code);
    color: var(--strategic-gold);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.course-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: white;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.course-desc {
    color: var(--muted-text);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    /* Pushes footer down */
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1rem;
    margin-top: auto;
}

.course-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.85rem;
}

.course-meta i {
    color: var(--strategic-gold);
    width: 1rem;
    text-align: center;
}

/* Link overlay for whole card */
.card-link {
    position: absolute;
    inset: 0;
    z-index: 20;
    cursor: pointer;
}





/* ===== Newsletter ===== */
.newsletter {
    padding: var(--spacing-xl) 0;
}

.newsletter-card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    text-align: center;
}

.newsletter-title {
    font-size: 2.5rem;
    color: var(--steel-white);
    margin-bottom: var(--spacing-md);
}

.newsletter-description {
    color: var(--muted-text);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.newsletter-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--slate-grey);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--steel-white);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--strategic-gold);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

.newsletter-input::placeholder {
    color: var(--muted-text);
}

.newsletter-promises {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.promise-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted-text);
    font-size: 0.9rem;
}

.promise-item i {
    color: var(--strategic-gold);
}

/* ===== Footer ===== */
.footer {
    background: rgba(5, 5, 5, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo img {
    height: 48px !important;
    width: auto !important;
    object-fit: contain;
    max-width: 200px !important;
}

.footer-tagline {
    color: var(--muted-text);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* WordPress Footer Menu Structure */
.footer-links {
    /* Ensures the wrapper allows the menu to expand */
    width: 100%;
}

/* Apply grid to the actual UL element */
.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer-nav li {
    margin-bottom: 0.5rem !important;
    list-style: none !important;
}

.footer-links a,
.footer-menu a {
    color: var(--muted-text);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover,
.footer-menu a:hover {
    color: var(--strategic-gold);
    padding-left: 5px;
    /* Subtle movement effect */
}

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

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

.fade-in:nth-child(1) {
    animation-delay: 0.1s;
}

.fade-in:nth-child(2) {
    animation-delay: 0.2s;
}

.fade-in:nth-child(3) {
    animation-delay: 0.3s;
}

.fade-in:nth-child(4) {
    animation-delay: 0.4s;
}

.fade-in:nth-child(5) {
    animation-delay: 0.5s;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    .philosophy-grid,
    .series-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

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

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