/* ========================================
   Voticle 官网样式
   设计系统：文学杂志美学
   ======================================== */

/* ========================================
   设计系统规范
   ----------------------------------------
   字体：
   - 标题字体（衬线）：Charter (英文), SongTi SC (中文), Hiragino Mincho ProN (日文)
   - 正文字体（非衬线）：系统默认字体 (PingFang SC, Microsoft YaHei)
   
   字号层级：
   - H1 主标题：44-52px，font-weight: 600
   - H2 章节标题：28-32px，font-weight: 600
   - H3 卡片标题：18-20px，font-weight: 600
   - Body 正文：16px，font-weight: 400 (regular)
   - Small 辅助：14px，font-weight: 400
   
   颜色：
   - 主文字：#1C1C1E（浅色）/ #F2F0ED（深色）
   - 次要文字：#636366（浅色）/ #98989D（深色）
   - 强调色：#835F2E（浅色）/ #A98D67（深色）
   ======================================== */

/* CSS Variables */
:root {
    /* 浅色模式 */
    --color-bg: #F5F2E5;
    --color-bg-content: #FCFBF6;
    --color-card: #FFFFFF;
    --color-text: #1C1C1E;
    --color-text-secondary: #636366;
    --color-accent: #835F2E;
    --color-accent-hover: #6B4D26;
    --color-accent-light: rgba(131, 95, 46, 0.08);
    --color-accent-lighter: rgba(131, 95, 46, 0.04);
    --color-border: rgba(131, 95, 46, 0.12);
    
    /* 字体 - 标题用衬线体 */
    --font-serif: Charter, "Songti SC", "STSong", "SimSun", "Hiragino Mincho ProN", "Yu Mincho", serif;
    /* 字体 - 正文用系统非衬线字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Hiragino Sans", "Meiryo", sans-serif;
    
    /* 字号 */
    --text-h1: clamp(2.5rem, 4vw, 3rem);
    --text-h2: clamp(1.625rem, 2.5vw, 1.875rem);
    --text-h3: 1.125rem;
    --text-body: 1rem;
    --text-small: 0.875rem;
    --text-xs: 0.8125rem;
    
    /* 行高 */
    --leading-tight: 1.25;
    --leading-normal: 1.6;
    --leading-relaxed: 1.8;
    
    /* 字间距 */
    --tracking-tight: -0.01em;
    --tracking-normal: 0.02em;
    --tracking-wide: 0.05em;
    
    /* 尺寸 */
    --radius-card: 26px;
    --radius-button: 22px;
    --radius-small: 12px;
    --max-width: 1200px;
    --section-padding: 100px;
    
    /* 阴影 */
    --shadow-subtle: 0 2px 20px rgba(131, 95, 46, 0.06);
    --shadow-card: 0 4px 30px rgba(131, 95, 46, 0.08);
    --shadow-elevated: 0 12px 48px rgba(131, 95, 46, 0.12);
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1C1C1E;
        --color-bg-content: #1C1C1E;
        --color-card: #2C2C2E;
        --color-text: #F2F0ED;
        --color-text-secondary: #98989D;
        --color-accent: #A98D67;
        --color-accent-hover: #C4A97A;
        --color-accent-light: rgba(169, 141, 103, 0.12);
        --color-accent-lighter: rgba(169, 141, 103, 0.06);
        --color-border: rgba(169, 141, 103, 0.15);
        --shadow-subtle: 0 2px 20px rgba(0, 0, 0, 0.2);
        --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.25);
        --shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.35);
    }
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: var(--text-body);
    font-weight: 400;
    line-height: var(--leading-relaxed);
    letter-spacing: var(--tracking-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography System
   ======================================== */

/* 主标题 H1 */
h1, .h1 {
    font-family: var(--font-serif);
    font-size: var(--text-h1);
    font-weight: 600;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
}

/* 章节标题 H2 */
h2, .h2 {
    font-family: var(--font-serif);
    font-size: var(--text-h2);
    font-weight: 600;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-normal);
    color: var(--color-accent);
}

/* 卡片标题 H3 */
h3, .h3 {
    font-family: var(--font-serif);
    font-size: var(--text-h3);
    font-weight: 600;
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-normal);
    color: var(--color-text);
}

/* 正文 */
p, .body-text {
    font-family: var(--font-sans);
    font-size: var(--text-body);
    font-weight: 400;
    line-height: var(--leading-relaxed);
    letter-spacing: var(--tracking-normal);
    color: var(--color-text-secondary);
}

/* 内容正文（文章内） */
.content-text {
    font-family: var(--font-serif);
    font-size: var(--text-body);
    font-weight: 400;
    line-height: var(--leading-relaxed);
    letter-spacing: var(--tracking-wide);
    color: var(--color-text);
}

/* 辅助文字 */
.text-small {
    font-size: var(--text-small);
}

.text-xs {
    font-size: var(--text-xs);
}

/* 强调色文字 */
.text-accent {
    color: var(--color-accent);
}

/* Links */
a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Section */
.section {
    padding: var(--section-padding) 0;
}

.section-alt {
    background-color: var(--color-bg-content);
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(245, 242, 229, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    .header {
        background: rgba(28, 28, 30, 0.92);
    }
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--color-text);
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-accent);
}

/* 语言切换器 */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.lang-btn svg {
    width: 14px;
    height: 14px;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 100;
    min-width: 120px;
}

.lang-switcher:hover .lang-dropdown,
.lang-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 400;
    color: var(--color-text-secondary);
    text-align: left;
    cursor: pointer;
    transition: all 0.15s ease;
}

.lang-option:first-child {
    border-radius: 7px 7px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 7px 7px;
}

.lang-option:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.lang-option.active {
    color: var(--color-accent);
    font-weight: 500;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-text);
    color: var(--color-bg);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 500;
    transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    .nav-cta {
        background: var(--color-accent);
        color: #fff;
    }
}

.nav-cta:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    margin: 5px 0;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .lang-switcher {
        width: 100%;
    }
    
    .lang-btn {
        width: 100%;
        justify-content: center;
    }
    
    .lang-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 8px;
        box-shadow: none;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 56px;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

/* 装饰性背景 */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: linear-gradient(135deg, 
        rgba(131, 95, 46, 0.03) 0%, 
        rgba(131, 95, 46, 0.06) 50%,
        rgba(131, 95, 46, 0.02) 100%);
    border-radius: 50%;
    pointer-events: none;
}

@media (prefers-color-scheme: dark) {
    .hero::before {
        background: linear-gradient(135deg, 
            rgba(169, 141, 103, 0.04) 0%, 
            rgba(169, 141, 103, 0.08) 50%,
            rgba(169, 141, 103, 0.02) 100%);
    }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 520px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--color-accent-light);
    border-radius: 100px;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.hero-title {
    margin-bottom: 28px;
}

.hero-title .highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: var(--text-body);
    font-weight: 400;
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 20px rgba(131, 95, 46, 0.25);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(131, 95, 46, 0.3);
    color: #fff;
}

.btn-secondary {
    background: var(--color-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

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

.btn-icon {
    width: 20px;
    height: 20px;
}

/* Hero Visual - 展示营销图 */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 360px;
}

.hero-image img {
    width: 100%;
    max-height: 65vh;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 16px;
    /* 轻微阴影增加层次感 */
    filter: drop-shadow(0 16px 40px rgba(131, 95, 46, 0.12));
}

@media (prefers-color-scheme: dark) {
    .hero-image img {
        filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.35));
    }
}

/* 装饰元素 */
.hero-decoration {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--color-accent-lighter);
    filter: blur(60px);
    pointer-events: none;
}

.hero-decoration-1 {
    top: 10%;
    right: 0;
}

.hero-decoration-2 {
    bottom: 20%;
    right: 20%;
}

@media (max-width: 968px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image {
        max-width: 280px;
    }
    
    .hero-image img {
        max-height: 50vh;
    }
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--color-bg-content);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.0625rem;
}

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

.feature-card {
    background: var(--color-card);
    border-radius: var(--radius-card);
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: var(--color-accent-light);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    font-size: var(--text-small);
    margin-bottom: 0;
    line-height: var(--leading-normal);
}

@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 32px 24px;
    }
}

/* ========================================
   Showcase Section - PPT 风格亮点展示
   ======================================== */
.showcase {
    background: var(--color-bg);
}

.showcase-item {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
}

.showcase-item .container {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: center;
    max-width: 1100px;
}

.showcase-item.reverse .container {
    direction: rtl;
}

.showcase-item.reverse .container > * {
    direction: ltr;
}

.showcase-content {
    max-width: 440px;
}

.showcase-content h3 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 20px;
}

.showcase-content > p {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.showcase-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.showcase-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.5;
}

.showcase-list li::before {
    content: '✓';
    width: 28px;
    height: 28px;
    background: var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.showcase-image {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1.2;
}

.showcase-image img {
    max-width: 480px;
    max-height: 720px;
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 24px;
    filter: drop-shadow(0 25px 60px rgba(131, 95, 46, 0.15));
}

@media (prefers-color-scheme: dark) {
    .showcase-image img {
        filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.35));
    }
}

@media (max-width: 968px) {
    .showcase-item {
        min-height: auto;
        padding: 60px 0;
    }
    
    .showcase-item .container,
    .showcase-item.reverse .container {
        grid-template-columns: 1fr;
        gap: 40px;
        direction: ltr;
        text-align: center;
    }
    
    .showcase-content {
        max-width: 100%;
    }
    
    .showcase-content h3 {
        font-size: 1.5rem;
    }
    
    .showcase-list {
        align-items: center;
    }
    
    .showcase-image {
        order: -1;
    }
    
    .showcase-image img {
        max-width: 360px;
        max-height: 540px;
    }
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    background: var(--color-bg-content);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-card);
    border-radius: var(--radius-card);
    padding: 32px;
}

.faq-item h4 {
    font-family: var(--font-serif);
    font-size: var(--text-body);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
    line-height: var(--leading-normal);
}

.faq-item p {
    font-size: var(--text-small);
    color: var(--color-text-secondary);
    margin-bottom: 0;
    line-height: var(--leading-relaxed);
}

.faq-item strong {
    color: var(--color-text);
    font-weight: 500;
}

.faq-more {
    text-align: center;
    margin-top: 48px;
}

.faq-more a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--color-accent);
}

.faq-more a:hover {
    gap: 12px;
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    background: var(--color-bg);
}

.pricing-card {
    max-width: 560px;
    margin: 0 auto;
    background: var(--color-card);
    border-radius: var(--radius-card);
    padding: 48px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), #D4A85A);
}

.pricing-badge {
    display: inline-block;
    padding: 5px 14px;
    background: var(--color-accent-light);
    border-radius: 100px;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.pricing-card > p {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.pricing-features {
    text-align: left;
    margin-bottom: 32px;
    list-style: none;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 400;
    color: var(--color-text);
}

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

.pricing-features li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.pricing-note {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-top: 16px;
}

/* ========================================
   Download Section
   ======================================== */
.download {
    background: linear-gradient(180deg, var(--color-bg-content) 0%, var(--color-bg) 100%);
    text-align: center;
}

.download-content {
    max-width: 560px;
    margin: 0 auto;
}

.download h2 {
    margin-bottom: 16px;
}

.download > .container > .download-content > p {
    font-size: 1.0625rem;
    margin-bottom: 48px;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

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

.download-qr img {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-small);
    box-shadow: var(--shadow-subtle);
    margin-bottom: 12px;
}

.download-qr span {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-text-secondary);
}

.download-store {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--color-text);
    color: var(--color-bg);
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 500;
    transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    .store-btn {
        background: var(--color-card);
        color: var(--color-text);
        border: 1px solid var(--color-border);
    }
}

.store-btn:hover {
    transform: translateY(-2px);
}

.store-btn svg {
    width: 22px;
    height: 22px;
}

@media (max-width: 640px) {
    .download-options {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg);
    padding: 48px 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-logo span {
    font-family: var(--font-serif);
    font-size: var(--text-body);
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.04em;
}

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

.footer-links a {
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 400;
    color: var(--color-text-secondary);
}

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

.footer-copyright {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ========================================
   About Page
   ======================================== */
.about-hero {
    padding-top: 140px;
    padding-bottom: 80px;
    text-align: center;
    background: var(--color-bg);
}

.about-hero h1 {
    margin-bottom: 20px;
}

.about-hero > .container > p {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    max-width: 560px;
    margin: 0 auto;
    color: var(--color-text-secondary);
}

.about-content {
    background: var(--color-bg-content);
    padding: 80px 0;
}

.about-article {
    max-width: 680px;
    margin: 0 auto;
}

.about-article h2 {
    font-size: 1.375rem;
    margin-top: 56px;
    margin-bottom: 24px;
    color: var(--color-text);
}

.about-article h2:first-child {
    margin-top: 0;
}

.about-article p {
    font-family: var(--font-serif);
    font-size: var(--text-body);
    font-weight: 400;
    line-height: 2;
    margin-bottom: 20px;
    color: var(--color-text);
}

.about-article blockquote {
    margin: 40px 0;
    padding: 28px 32px;
    background: var(--color-accent-light);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-small) var(--radius-small) 0;
}

.about-article blockquote p {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 0;
}

.about-founder {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.about-founder-avatar {
    width: 72px;
    height: 72px;
    background: var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.about-founder-info h4 {
    font-family: var(--font-serif);
    font-size: var(--text-body);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.about-founder-info p {
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll animations */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.mt-8 { margin-top: 2rem; }
.mb-8 { margin-bottom: 2rem; }