@import "../../zmobile adaptation/mobile-index.css";

/* 首页特定布局 */
.home-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* justify-content: center; REMOVED to prevent top-clipping */
    justify-content: flex-start;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

/* Safe Centering Spacers */
.home-container::before {
    content: '';
    flex: 1;
    width: 1px;
    min-height: 20px;
}

.home-container::after {
    content: '';
    flex: 1;
    width: 1px;
    min-height: 20px;
}

.brand-area {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInDown 0.8s ease;
}

.brand-logo {
    width: 100px;
    height: 100px;
    margin-bottom: 8px;
    color: #d0d0d0;
    filter: invert(0.8) drop-shadow(0 10px 15px rgba(0, 0, 0, 0.4));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.5s ease;
    will-change: transform;
    /* Fix ghosting */
}

.brand-logo:hover {
    transform: rotate(8deg);
    cursor: pointer;
}

/* 确保缩放功能不覆盖悬停效果 */
.brand-logo.zoom-trigger-whole:hover {
    transform: rotate(8deg) !important;
}

.brand-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: #8a8a8a;
    letter-spacing: 2px;
    text-transform: uppercase;
    line-height: 1.1;
}

.maers-interactive {
    display: inline-block;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.maers-interactive:hover {
    transform: scale(1.02);
    /* color: var(--text-main); highlight removed */
}

.brand-subtitle {
    color: #666;
    font-size: 1.25rem;
    letter-spacing: 0px;
    font-weight: 500;
    line-height: 1.5;
    max-width: 320px;
    margin: 0 auto;
}

/* 卡片网格 */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    width: 100%;
    max-width: 1000px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.nav-card {
    background: #141414;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    backdrop-filter: none;
    will-change: transform;
    contain: layout style paint;
}

.nav-card:hover {
    transform: translateY(-8px);
    background: #1f1f1f;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
}

/* Minimal Inversion for Record Icon (Home Card) */
.card-icon img[src*="record-icon"] {
    filter: invert(0.9);
    transition: filter 0.3s ease;
}

html.light-mode .card-icon img[src*="record-icon"] {
    filter: none;
}

.card-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-main);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.5;
}

/* 装饰背景字 */
.card-bg-text {
    position: absolute;
    bottom: -10px;
    right: -10px;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
    transition: 0.3s;
}

.nav-card:hover .card-bg-text {
    transform: scale(1.1) rotate(-5deg);
    color: rgba(255, 255, 255, 0.05);
}

/* 白昼模式 */
html.light-mode .brand-logo {
    color: #333;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
    opacity: 0.8;
}

html.light-mode .brand-title {
    color: #333;
}

html.light-mode .brand-subtitle {
    color: #555;
}

html.light-mode .nav-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.05);
}

html.light-mode .nav-card:hover {
    background: #fff;
}

html.light-mode .card-bg-text {
    color: rgba(0, 0, 0, 0.03);
}

html.light-mode .nav-card:hover .card-bg-text {
    transform: scale(1.1) rotate(-5deg);
    color: rgba(0, 0, 0, 0.06);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ======== 3D Tilt Effect (CSS-only, replaces tilt.js) ======== */
.photo-item {
    perspective: 1000px;
    transition: transform 400ms cubic-bezier(0.03, 0.98, 0.52, 0.99);
    transform-style: preserve-3d;
}

.photo-item:hover {
    transform: scale3d(1.02, 1.02, 1.02);
}

/* Simulate tilt with CSS custom properties */
.photo-item:hover {
    animation: subtleTilt 6s ease-in-out infinite;
}

@keyframes subtleTilt {

    0%,
    100% {
        transform: perspective(1000px) rotateX(0deg) rotateY(0deg) scale3d(1.02, 1.02, 1.02);
    }

    25% {
        transform: perspective(1000px) rotateX(-3deg) rotateY(5deg) scale3d(1.02, 1.02, 1.02);
    }

    50% {
        transform: perspective(1000px) rotateX(3deg) rotateY(-5deg) scale3d(1.02, 1.02, 1.02);
    }

    75% {
        transform: perspective(1000px) rotateX(-2deg) rotateY(3deg) scale3d(1.02, 1.02, 1.02);
    }
}