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

body {
    font-family: 'Noto Sans TC', sans-serif;
    background: linear-gradient(135deg, #0a0a0f, #1a1a2e, #16213e);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 10000;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    width: 0%;
    transition: width 0.3s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 9999;
    transition: all 0.3s ease;
    padding: 12px 0;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #ffffff;
    font-weight: 700;
    font-size: 24px;
}

.brand-icon {
    display: none;
}

/* 大幅增加導航欄和頁尾的品牌logo大小 - 從80px增加到120px */
.brand-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-right: 16px;
}

/* 更新合作夥伴logo容器大小 */
.partner-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 16px;
}

/* 合作夥伴logo圖片 */
.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* 合作夥伴按鈕樣式 */
.partner-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-top: 16px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
}

.partner-link:hover {
    background: rgba(var(--primary-rgb), 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.partner-link:visited,
.partner-link:focus {
    color: var(--primary-color);
    text-decoration: none;
}

.partner-link i {
    font-size: 12px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: #b8b8cc;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #6366f1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 20px 60px;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.1), transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
    color: #ffffff;
}

.hero-gradient {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #6366f1;
    margin-bottom: 32px;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: #b8b8cc;
    margin-bottom: 48px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 滾動提示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
}

.scroll-indicator:hover {
    transform: translateX(-50%) translateY(-5px);
}

.scroll-text {
    font-size: 0.85rem;
    color: #9ca3af;
    opacity: 0.8;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.scroll-indicator:hover .scroll-text {
    color: #6366f1;
    opacity: 1;
}

.scroll-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    animation: bounce 2s infinite;
    transition: all 0.3s ease;
}

.scroll-indicator:hover .scroll-arrow {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102,241, 0.4);
    color: #6366f1;
    animation-play-state: paused;
    transform: translateY(-2px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
    min-width: 200px;
}

/* Section Styles */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    color: #6366f1;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.section-description {
    font-size: 1.1rem;
    color: #b8b8cc;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* About Section */
.about {
    background-color: #1a1a2e;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text h3 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 24px;
    font-weight: 600;
}

.about-text p {
    color: #b8b8cc;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

.core-services {
    margin-top: 32px;
}

.core-service-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.core-service-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(8px);
}

.core-service-item i {
    color: #6366f1;
    font-size: 1.2rem;
    width: 20px;
}

/* Tech Visual */
.tech-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 400px;
    width: 100%;
}

.tech-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 16px 12px;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.tech-item:hover::before {
    left: 100%;
}

.tech-item:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.15);
}

.tech-item:nth-child(1) { animation-delay: 0.1s; }
.tech-item:nth-child(2) { animation-delay: 0.2s; }
.tech-item:nth-child(3) { animation-delay: 0.3s; }
.tech-item:nth-child(4) { animation-delay: 0.4s; }
.tech-item:nth-child(5) { animation-delay: 0.5s; }
.tech-item:nth-child(6) { animation-delay: 0.6s; }
.tech-item:nth-child(7) { animation-delay: 0.7s; }
.tech-item:nth-child(8) { animation-delay: 0.8s; }
.tech-item:nth-child(9) { animation-delay: 0.9s; }

/* 添加進入動畫 */
@keyframes techItemFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tech-item.animate {
    animation: techItemFadeIn 0.6s ease forwards;
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 32px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.stat-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #6366f1;
    font-family: 'Orbitron', monospace;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.stat-number.counting {
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
    transform: scale(1.05);
}

.stat-label {
    font-size: 1rem;
    color: #b8b8cc;
    font-weight: 500;
}

/* Solutions Section */
.solutions {
    background-color: #0a0a0f;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.solution-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.solution-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: #6366f1;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.solution-card:hover .solution-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
}

.solution-card h4 {
    color: #ffffff;
    margin-bottom: 12px;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.solution-card p {
    color: #b8b8cc;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
    z-index: 2;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card.featured {
    border-color: #6366f1;
    background: linear-gradient(135deg, rgba(99, 102,241, 0.1), rgba(139, 92, 246, 0.05));
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 2rem;
    color: #6366f1;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
}

.service-title {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.service-description {
    color: #b8b8cc;
    line-height: 1.6;
    margin-bottom: 24px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    background: rgba(99, 102, 241, 0.2);
    color: #6366f1;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Pricing Section */
.pricing {
    background-color: #1a1a2e;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: #6366f1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
    transform: scale(1.05);
}

.pricing-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.07);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    animation: bounce 2s ease-in-out infinite;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.pricing-header h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.pricing-price {
    font-size: 2rem;
    font-weight: 800;
    color: #6366f1;
    font-family: 'Orbitron', monospace;
}

.pricing-description {
    color: #b8b8cc;
    line-height: 1.6;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-features {
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 8px 0;
}

.feature-item i {
    color: #10b981;
    font-size: 0.9rem;
    width: 16px;
}

.feature-item span {
    color: #ffffff;
    font-size: 0.9rem;
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

/* Features Section */
.features {
    background-color: #0a0a0f;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s ease;
    cursor: pointer;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.8rem;
    color: #6366f1;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
}

.feature-card h4 {
    color: #ffffff;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: #b8b8cc;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* AI Product Section */
.ai-product {
    background-color: #1a1a2e;
}

.ai-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.ai-demo {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.chat-header {
    background: rgba(99, 102, 241, 0.1);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.status-indicator {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.chat-header span {
    color: #ffffff;
    font-weight: 500;
}

.chat-messages {
    padding: 24px 20px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    align-items: flex-start;
}

.message.user {
    justify-content: flex-end;
}

.message.ai {
    justify-content: flex-start;
}

.message-bubble {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    line-height: 1.5;
    font-size: 0.9rem;
}

.message.user .message-bubble {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.ai .message-bubble {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-bottom-left-radius: 4px;
}

.ai-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ai-feature {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.ai-feature:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(8px);
}

.ai-feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6366f1;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.ai-feature-text h4 {
    color: #ffffff;
    margin-bottom: 4px;
    font-weight: 600;
}

.ai-feature-text p {
    color: #b8b8cc;
    font-size: 0.9rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-card.featured {
    border-color: #6366f1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
}

.project-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #6366f1;
}

.project-info {
    padding: 32px 24px;
}

.project-title {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-description {
    color: #b8b8cc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.project-tag {
    background: rgba(99, 102, 241, 0.2);
    color: #6366f1;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tech-badge {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Partners Section */
.partners {
    background: linear-gradient(135deg, #0a0a0f, #1a1a2e);
    position: relative;
    overflow: hidden;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.05), transparent 60%);
    pointer-events: none;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
    position: relative;
    z-index: 2;
}

.partner-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(30px);
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.8s ease;
}

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

.partner-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.partner-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.partner-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 16px;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.partner-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.partner-card:hover .partner-name {
    color: #6366f1;
}

.partner-description {
    color: #b8b8cc;
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.partner-type {
    display: inline-block;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #6366f1;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.partner-card:hover .partner-type {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
    border-color: rgba(99, 102, 241, 0.5);
    color: #ffffff;
    transform: translateY(-2px);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #1a1a2e, #0a0a0f);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.1), transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta p {
    font-size: 1.2rem;
    color: #b8b8cc;
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: flex-start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6366f1;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: #ffffff;
    margin-bottom: 4px;
    font-weight: 600;
}

.contact-details span {
    color: #b8b8cc;
    font-size: 0.95rem;
}

/* Form Styles */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Noto Sans TC', sans-serif;
}

.form-control:focus {
    outline: none;
    border-color: #6366f1;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control::placeholder {
    color: #b8b8cc;
}

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    appearance: none;
}

select.form-control option {
    background: #1a1a2e;
    color: #ffffff;
    padding: 10px;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.submit-btn {
    width: 100%;
    padding: 18px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-text,
.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-loading {
    display: none;
}

/* Success Modal */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.success-modal.show {
    opacity: 1;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: linear-gradient(135deg, #1a1a2e, #0a0a0f);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 24px;
    padding: 48px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    transform: translateY(30px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.success-modal.show .modal-content {
    transform: translateY(0) scale(1);
}

.rocket-animation {
    display: none;
    font-size: 4rem;
    color: #6366f1;
    margin-bottom: 24px;
    position: relative;
}

.rocket-animation i {
    display: inline-block;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: drop-shadow(0 0 20px rgba(99, 102,241, 0.5));
}

.rocket-animation.launch i {
    transform: translateY(-100px) rotate(45deg) scale(1.2);
    opacity: 0;
}

.rocket-animation::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 40px;
    background: linear-gradient(180deg, transparent, #ff6b6b, #ffa500);
    border-radius: 50px;
    opacity: 0;
    transition: all 0.8s ease;
    filter: blur(2px);
}

.rocket-animation.launch::before {
    opacity: 1;
    height: 80px;
    transform: translateX(-50%) translateY(20px);
}

.success-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.success-content.show {
    opacity: 1;
    transform: translateY(0);
}

.success-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 24px;
    animation: successPulse 1s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(0) rotate(180deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.success-content h3 {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.success-content p {
    color: #b8b8cc;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.success-content .success-note {
    font-size: 0.95rem;
    color: #9ca3af;
    margin-bottom: 32px;
    font-style: italic;
}

.success-content strong {
    color: #6366f1;
    font-weight: 600;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0f, #1a1a2e, #16213e);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: all 0.8s ease;
}

.loading-screen.loaded {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.loading-logo {
    margin-bottom: 48px;
    animation: logoFadeIn 1s ease-out;
}

.loading-brand-logo {
    width: 160px;
    height: 160px;
    object-fit: contain;
    margin-bottom: 0;
    animation: logoFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.8));
}

.loading-title {
    display: none;
}

.loading-animation {
    margin-bottom: 40px;
}

.loading-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

.spinner-ring:nth-child(1) {
    border-top-color: #6366f1;
    animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
    border-right-color: #8b5cf6;
    animation-delay: 0.3s;
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
}

.spinner-ring:nth-child(3) {
    border-bottom-color: #ec4899;
    animation-delay: 0.6s;
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
}

.loading-text {
    color: #b8b8cc;
    font-size: 1.1rem;
    margin: 0;
    animation: textPulse 1.5s ease-in-out infinite;
}

.loading-progress {
    display: flex;
    align-items: center;
    gap: 16px;
}

.progress-line {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill-loading {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill-loading::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5));
    animation: shimmer 1.5s ease-in-out infinite;
}

.loading-percentage {
    color: #6366f1;
    font-weight: 600;
    font-size: 1rem;
    min-width: 40px;
    text-align: right;
    font-family: 'Orbitron', monospace;
}

/* Loading Animations */
@keyframes logoFadeIn {
    0% {
        opacity: 0;
        transform: translateY(-30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes titleGlow {
    0% {
        text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    }
    100% {
        text-shadow: 0 0 30px rgba(139, 92, 246, 0.8);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes textPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-20px);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(20px);
        opacity: 0;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0a0a0f, #1a1a2e);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 80px 0 32px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.05), transparent 50%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
    position: relative;
    z-index: 2;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand .nav-brand {
    font-size: 28px;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-tagline {
    color: #b8b8cc;
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-description {
    color: #9ca3af;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 320px;
    margin-bottom: 32px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #b8b8cc;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.social-link:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.4);
    color: #6366f1;
    transform: translateY(-2px);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-section h4 {
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-link {
    color: #b8b8cc;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    padding: 8px 0;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-link::before {
    content: '';
    width: 4px;
    height: 4px;
    background: #6366f1;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-8px);
}

.footer-link:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-link:hover {
    color: #ffffff;
    transform: translateX(12px);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.9rem;
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.footer-bottom-link {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-bottom-link:hover {
    color: #6366f1;
}

/* Team Section */
.team {
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
    position: relative;
    overflow: hidden;
}

.team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.08), transparent 60%);
    pointer-events: none;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 64px;
    position: relative;
    z-index: 2;
}

.team-member {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.8s ease;
}

.team-member:hover::before {
    left: 100%;
}

.team-member:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.15);
}

.member-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
    position: relative;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
}

.member-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.team-member:hover .member-name {
    color: #6366f1;
}

.member-role {
    color: #6366f1;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.member-description {
    color: #b8b8cc;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.member-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.skill-tag {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #6366f1;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.team-member:hover .skill-tag {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
    border-color: rgba(99, 102, 241, 0.5);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Threads 自定義圖示樣式 */
.threads-link .threads-icon {
    font-size: 1.2rem;
    font-weight: bold;
    font-family: Arial, sans-serif;
    display: inline-block;
    transform: rotate(-15deg);
    transition: all 0.3s ease;
}

.social-link.threads-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link.threads-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-radius: 50%;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.social-link.threads-link:hover::before {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1.1);
}

.social-link.threads-link:hover .threads-icon {
    transform: rotate(-15deg) scale(1.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.95);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 100vh;
        padding: 100px 20px 60px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
        margin-bottom: 16px;
        word-spacing: 0.1em;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 24px;
        font-weight: 500;
    }
    
    .hero-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 40px;
        color: #9ca3af;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-description br {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 16px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tech-visual {
        order: -1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .solutions-grid,
    .services-grid,
    .pricing-grid,
    .features-grid,
    .projects-grid,
    .partners-grid,
    .team-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .ai-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .ai-demo {
        order: 2;
    }
    
    .ai-content {
        order: 1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
        margin-bottom: 24px;
    }
    
    .footer-brand {
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 8px;
        text-align: center;
    }
    
    .footer-brand .nav-brand {
        justify-content: center;
        margin-bottom: 16px;
    }
    
    .footer-tagline {
        font-size: 1rem;
        color: #9ca3af;
        margin-bottom: 16px;
        font-weight: 500;
    }
    
    .footer-description {
        font-size: 0.9rem;
        line-height: 1.6;
        color: #9ca3af;
        max-width: 100%;
        margin-bottom: 20px;
        padding: 0 10px;
    }
    
    .footer-social {
        justify-content: center;
        gap: 12px;
        margin-bottom: 0;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .footer-bottom p {
        font-size: 0.8rem;
    }
    
    .footer-bottom-links {
        justify-content: center;
        gap: 16px;
    }
    
    .scroll-indicator {
        bottom: 30px;
    }
    
    .scroll-text {
        font-size: 0.8rem;
    }
    
    .scroll-arrow {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 90px 16px 50px;
    }
    
    .hero-content {
        padding: 0 5px;
    }
    
    .hero-title {
        font-size: 1.6rem;
        margin-bottom: 12px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .hero-description {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 32px;
    }
    
    .hero-actions {
        max-width: 280px;
        gap: 12px;
    }
    
    .hero-actions .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .member-avatar,
    .partner-logo {
        width: 80px;
        height: 80px;
        font-size: 1.5rem;
    }
    
    .ai-feature,
    .contact-item {
        padding: 16px;
    }
    
    .ai-feature-icon,
    .contact-icon {
        width: 40px;
        height: 40px;
    }
    
    .chat-messages {
        min-height: 250px;
    }
    
    .message-bubble {
        max-width: 85%;
        font-size: 0.85rem;
    }
    
    .footer-grid {
        gap: 20px;
        margin-bottom: 20px;
    }
    
    .footer-brand {
        padding-bottom: 16px;
    }
    
    .footer-brand .nav-brand {
        flex-direction: row;
        gap: 12px;
        align-items: center;
        margin-bottom: 12px;
        font-size: 20px;
    }
    
    .footer-tagline {
        font-size: 0.9rem;
        margin-bottom: 12px;
        line-height: 1.4;
    }
    
    .footer-description {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: 16px;
        padding: 0 5px;
    }
    
    .footer-social {
        gap: 10px;
    }
    
    .social-link {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .footer-bottom-content {
        gap: 8px;
    }
    
    .footer-bottom p {
        font-size: 0.8rem;
    }
    
    .footer-bottom-links {
        gap: 12px;
    }
    
    .footer-bottom-link {
        font-size: 0.8rem;
    }
    
    .scroll-indicator {
        bottom: 25px;
    }
    
    .scroll-text {
        font-size: 0.75rem;
    }
    
    .scroll-arrow {
        width: 26px;
        height: 26px;
        font-size: 0.8rem;
    }
}