/* About Page Styles - 智铼科技品牌文化页面 - 简约科技风 */

:root {
    --primary-color: #4A90E2;        /* 主色：优雅蓝 */
    --secondary-color: #7B68EE;      /* 辅色：高级紫 */
    --accent-color: #E8EDF2;         /* 强调色：冷白 */
    --bg-dark: #0F1419;              /* 深色背景 */
    --bg-darker: #080A0E;            /* 更深背景 */
    --text-primary: #FFFFFF;         /* 主文字 */
    --text-secondary: rgba(255, 255, 255, 0.7);  /* 次文字 */
    --border-color: rgba(74, 144, 226, 0.2);     /* 边框色 */
}

.about-main {
    padding-top: 0;
    background: transparent;
    position: relative;
}

/* Brand Hero Section - 全屏沉浸式 */
.brand-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: transparent;
}

.brand-hero-container {
    text-align: center;
    position: relative;
    z-index: 10;
    padding: 0 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.brand-logo-display {
    position: relative;
    display: inline-block;
    margin-bottom: 4rem;
    perspective: 1000px;
}

/* 3D悬浮Logo */
.brand-main-logo {
    width: 280px;
    height: 280px;
    object-fit: contain;
    position: relative;
    z-index: 2;
    /* 将黑色logo转换为优雅蓝色 */
    filter: 
        brightness(0) saturate(100%) 
        invert(56%) sepia(86%) saturate(1272%) hue-rotate(188deg) brightness(95%) contrast(91%)
        drop-shadow(0 0 25px var(--primary-color)) 
        drop-shadow(0 0 50px var(--secondary-color));
    animation: float-3d 4s ease-in-out infinite;
    transform-style: preserve-3d;
}

@keyframes float-3d {
    0%, 100% { 
        transform: translateY(0px) rotateX(0deg) rotateY(0deg);
    }
    25% { 
        transform: translateY(-20px) rotateX(10deg) rotateY(10deg);
    }
    50% { 
        transform: translateY(-30px) rotateX(0deg) rotateY(20deg);
    }
    75% { 
        transform: translateY(-20px) rotateX(-10deg) rotateY(10deg);
    }
}

/* 简约光晕 */
.brand-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0.4;
    animation: glow-pulse 3s ease-in-out infinite;
}

.brand-glow::before,
.brand-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    animation: ring-pulse 2s ease-out infinite;
}

.brand-glow::before {
    width: 320px;
    height: 320px;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 15px var(--primary-color);
    animation-delay: 0s;
    opacity: 0.6;
}

.brand-glow::after {
    width: 260px;
    height: 260px;
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 15px var(--secondary-color);
    animation-delay: 1s;
    opacity: 0.5;
}

@keyframes glow-pulse {
    0%, 100% { 
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

@keyframes ring-pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* 简约渐变文字 */
.brand-motto {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(74, 144, 226, 0.3));
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.brand-motto-sub {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

/* 简约分割线 */
.brand-divider {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-color);
    opacity: 0.6;
}

/* Brand Story Section - 玻璃态 */
.brand-story {
    padding: 8rem 0;
    background: transparent;
    position: relative;
    z-index: 1;
}

.story-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* 玻璃态卡片 */
.story-quote {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    background: transparent;
    border: none;
    border-radius: 20px;
    padding: 3rem;
}

.quote-mark {
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.2;
    line-height: 0;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.story-intro {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-style: italic;
    padding-top: 50px;
}

.story-text {
    font-size: 1.3rem;
    line-height: 2.2;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 20px;
    padding: 3rem;
}

.story-text p {
    margin-bottom: 2rem;
    position: relative;
    padding-left: 25px;
}

.story-text p::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.story-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

.story-vision {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

.story-vision::before,
.story-vision::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.6;
}

.story-vision::before {
    top: 0;
}

.story-vision::after {
    bottom: 0;
}

.highlight-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.story-birth {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-top: 3rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Mission & Vision Section - 全息卡片 */
.mission-vision {
    padding: 8rem 0;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.mv-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 4rem;
}

/* 全息玻璃卡片 */
.mv-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 4rem 3rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 0 40px rgba(74, 144, 226, 0.03);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.mv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.08), transparent);
    transition: left 0.7s ease;
}

.mv-card:hover::before {
    left: 100%;
}

.mv-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 
        0 30px 80px rgba(74, 144, 226, 0.3),
        inset 0 0 60px rgba(74, 144, 226, 0.08);
}

.mission-card {
    border-color: var(--border-color);
}

.mission-card:hover {
    border-color: var(--primary-color);
}

.vision-card {
    border-color: rgba(123, 104, 238, 0.2);
}

.vision-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 
        0 30px 80px rgba(123, 104, 238, 0.3),
        inset 0 0 60px rgba(123, 104, 238, 0.08);
}

.mv-icon {
    font-size: 5rem;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 15px var(--primary-color));
    animation: icon-float 3s ease-in-out infinite;
    opacity: 0.9;
}

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

.mv-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.mv-tagline {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.mv-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 2;
    position: relative;
    padding-left: 20px;
    border-left: 2px solid var(--primary-color);
    opacity: 0.9;
}

/* Core Concepts Section - 六边形网格 */
.core-concepts {
    padding: 8rem 0;
    background: transparent;
    position: relative;
}

.concepts-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

/* 简约卡片 */
.concept-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 3rem 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    overflow: hidden;
}

.concept-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    transition: all 0.5s ease;
    border-radius: 50%;
}

.concept-card:hover::before {
    width: 400px;
    height: 400px;
}

.concept-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 
        0 20px 50px rgba(74, 144, 226, 0.2),
        inset 0 0 30px rgba(74, 144, 226, 0.05);
}

.concept-card:nth-child(2) {
    border-color: rgba(123, 104, 238, 0.2);
}

.concept-card:nth-child(2):hover {
    border-color: var(--secondary-color);
    box-shadow: 
        0 20px 50px rgba(123, 104, 238, 0.2),
        inset 0 0 30px rgba(123, 104, 238, 0.05);
}

.concept-card:nth-child(3) {
    border-color: var(--border-color);
}

.concept-card:nth-child(3):hover {
    border-color: var(--primary-color);
}

.concept-icon {
    font-size: 4.5rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 10px var(--primary-color));
    animation: icon-rotate 6s ease-in-out infinite;
    opacity: 0.9;
}

@keyframes icon-rotate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(5deg); }
    75% { transform: rotate(-5deg); }
}

.concept-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.concept-card p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 2;
    position: relative;
    z-index: 2;
}

/* Core Values Section - 数据可视化风格 */
.core-values {
    padding: 8rem 0;
    background: transparent;
    position: relative;
}

.values-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

/* 数据流卡片 */
.value-item {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    transition: all 0.4s ease;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, transparent 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.value-item:hover::before {
    transform: scaleX(1);
}

.value-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.value-item:hover::after {
    transform: scaleX(1);
}

.value-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.2);
    transform: translateY(-10px);
}

.value-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.value-item h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.value-item p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

/* Brand Spirit Section - 史诗级展示 */
.brand-spirit {
    padding: 10rem 0;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.spirit-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

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

.spirit-title {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 3rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(74, 144, 226, 0.4));
}

.spirit-text {
    font-size: 1.8rem;
    color: var(--text-secondary);
    line-height: 2.4;
}

.spirit-text p {
    margin-bottom: 2rem;
    animation: text-fade-in 1s ease forwards;
    opacity: 0;
}

.spirit-text p:nth-child(1) {
    animation-delay: 0.3s;
}

.spirit-text p:nth-child(2) {
    animation-delay: 0.6s;
}

@keyframes text-fade-in {
    to { opacity: 1; }
}

/* Manifesto Section - 中心焦点 */
.manifesto {
    padding: 10rem 0;
    background: transparent;
    position: relative;
}

.manifesto-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.manifesto-content {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: 30px;
    padding: 5rem 4rem;
    box-shadow: 
        0 30px 80px rgba(74, 144, 226, 0.2),
        inset 0 0 60px rgba(74, 144, 226, 0.05);
    position: relative;
    overflow: hidden;
}

.manifesto-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(74, 144, 226, 0.05) 90deg,
        transparent 180deg
    );
    animation: rotate-slow 20s linear infinite;
}

.manifesto-content .section-title {
    color: var(--text-primary);
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.manifesto-text {
    text-align: center;
    font-size: 1.6rem;
    color: var(--text-secondary);
    line-height: 2.5;
    position: relative;
    z-index: 2;
}

.manifesto-text p {
    margin-bottom: 2rem;
}

.manifesto-highlight {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Brand Quotes Section - 简约卡片墙 */
.brand-quotes {
    padding: 8rem 0;
    background: transparent;
    position: relative;
}

.quotes-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.quotes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.quote-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.quote-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.quote-card:hover::before {
    transform: scaleY(1);
}

.quote-card:hover {
    transform: translateY(-10px) scale(1.03);
    border-color: var(--primary-color);
    box-shadow: 
        0 20px 50px rgba(74, 144, 226, 0.2),
        inset 0 0 30px rgba(74, 144, 226, 0.05);
}

.quote-card:nth-child(2) {
    border-color: rgba(123, 104, 238, 0.2);
}

.quote-card:nth-child(2):hover {
    border-color: var(--secondary-color);
    box-shadow: 
        0 20px 50px rgba(123, 104, 238, 0.2),
        inset 0 0 30px rgba(123, 104, 238, 0.05);
}

.quote-card:nth-child(3), .quote-card:nth-child(4) {
    border-color: var(--border-color);
}

.quote-card:nth-child(3):hover, .quote-card:nth-child(4):hover {
    border-color: var(--primary-color);
}

.quote-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 10px var(--primary-color));
    animation: icon-float 3s ease-in-out infinite;
    opacity: 0.9;
}

.quote-card p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 2;
    font-style: italic;
    position: relative;
    z-index: 2;
}

/* CTA Section - 终极号召 */
.cta-section {
    padding: 10rem 0;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.cta-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.cta-container h2 {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(74, 144, 226, 0.3));
}

.cta-container p {
    font-size: 1.6rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Title - 简约标题 */
.section-title {
    font-size: 3.5rem;
    font-weight: 900;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 2rem;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    display: block;
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: 1.5rem auto 0;
    border-radius: 2px;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .brand-motto {
        font-size: 3rem;
    }

    .brand-motto-sub {
        font-size: 1.8rem;
    }

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

    .mv-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .concepts-grid,
    .values-grid,
    .quotes-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .brand-hero {
        min-height: 80vh;
    }

    .brand-motto {
        font-size: 2.2rem;
        letter-spacing: 2px;
    }

    .brand-motto-sub {
        font-size: 1.4rem;
    }

    .brand-main-logo {
        width: 180px;
        height: 180px;
    }

    .brand-divider {
        width: 120px;
    }

    .story-intro {
        font-size: 1.8rem;
    }

    .story-text {
        font-size: 1.1rem;
    }

    .story-text p {
        padding-left: 20px;
    }

    .story-vision {
        font-size: 1.3rem;
    }

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

    .mv-card {
        padding: 3rem 2rem;
    }

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

    .mv-tagline {
        font-size: 1.4rem;
    }

    .concepts-grid,
    .values-grid,
    .quotes-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .spirit-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }

    .spirit-text {
        font-size: 1.3rem;
    }

    .manifesto-content {
        padding: 3rem 2rem;
    }

    .manifesto-text {
        font-size: 1.3rem;
    }

    .manifesto-highlight {
        font-size: 1.6rem;
    }

    .cta-container h2 {
        font-size: 2.5rem;
    }

    .cta-container p {
        font-size: 1.3rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .section-title {
        font-size: 2.3rem;
    }
}

@media (max-width: 480px) {
    .brand-motto {
        font-size: 1.8rem;
    }

    .brand-motto-sub {
        font-size: 1.1rem;
    }

    .brand-main-logo {
        width: 140px;
        height: 140px;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .cta-container h2 {
        font-size: 2rem;
    }
}

/* Animation on Scroll (AOS) placeholder */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-20deg);
}