body {
    background-color: #F2F0E9;
}

.container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: 120px auto 100px;
    gap: 0;
    border: 10px solid #000;
    box-sizing: border-box;
}

/* Header */
.header {
    grid-column: 1 / -1;
    display: flex;
    align-items: stretch;
    background-color: #fff;
    border-bottom: 10px solid #000;
}

.logo-area {
    width: 400px;
    background-color: var(--accent-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 10px solid #000;
    position: relative;
    overflow: hidden;
}

.logo-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(45deg, #000 25%, transparent 25%),
        linear-gradient(-45deg, #000 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #000 75%),
        linear-gradient(-45deg, transparent 75%, #000 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    opacity: 0.1;
}

.logo-text {
    font-family: 'DelaGothicOne', cursive;
    font-size: 32px;
    color: #000;
    z-index: 1;
    text-transform: uppercase;
    line-height: 1.1;
    text-align: center;
    -webkit-text-stroke: 1px #fff;
}

.nav {
    flex-grow: 1;
    display: flex;
    background: #fff;
}

.nav-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 400;
    text-transform: uppercase;
    border-right: 10px solid #000;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.nav-item:last-child {
    border-right: none;
}

.nav-item:hover {
    background-color: var(--accent-yellow);
}

.nav-item.active {
    background-color: var(--accent-blue);
    color: #fff;
}

/* Main Content */
.main-content {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, 450px);
}

/* Hero Section */
.hero-section {
    grid-column: 1 / 9;
    grid-row: 1 / 2;
    background-color: var(--accent-yellow);
    border-right: 10px solid #000;
    border-bottom: 10px solid #000;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    overflow: hidden;
}

.checkerboard-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 100%;
    background-image:
        linear-gradient(45deg, #000 25%, transparent 25%),
        linear-gradient(-45deg, #000 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #000 75%),
        linear-gradient(-45deg, transparent 75%, #000 75%);
    background-size: 40px 40px;
    background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
    border-left: 10px solid #000;
}

.hero-title {
    font-family: 'DelaGothicOne', cursive;
    font-size: 96px;
    line-height: 1;
    color: #000;
    margin-bottom: 20px;
    text-shadow: 6px 6px 0px #fff;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 36px;
    font-weight: 900;
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    display: inline-block;
    width: fit-content;
    transform: rotate(-2deg);
    margin-bottom: 40px;
    z-index: 2;
}

.cta-button {
    background-color: var(--accent-orange);
    border: 6px solid #000;
    padding: 20px 40px;
    font-size: 32px;
    font-weight: 900;
    width: fit-content;
    box-shadow: 10px 10px 0px #000;
    cursor: pointer;
    transition: transform 0.1s;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cta-button:active {
    transform: translate(4px, 4px);
    box-shadow: 6px 6px 0px #000;
}

/* Stats Box */
.stats-box {
    grid-column: 9 / 13;
    grid-row: 1 / 2;
    background-color: var(--accent-blue);
    border-bottom: 10px solid #000;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px;
    color: #fff;
    position: relative;
}

.stats-deco {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 120px;
    opacity: 0.2;
    color: #000;
}

.stat-item {
    margin-bottom: 30px;
}

.stat-number {
    font-family: 'DelaGothicOne', cursive;
    font-size: 80px;
    line-height: 1;
    -webkit-text-stroke: 3px #000;
    text-shadow: 5px 5px 0 #000;
}

.stat-label {
    font-size: 24px;
    font-weight: 700;
    border: 4px solid #000;
    background: #fff;
    color: #000;
    padding: 5px 15px;
    display: inline-block;
    margin-top: 10px;
    box-shadow: 5px 5px 0 #000;
}

.pattern-dots {
    background-image: radial-gradient(#000 20%, transparent 20%);
    background-position: 0 0;
    background-size: 20px 20px;
}

/* Feature Grid */
.feature-grid {
    grid-column: 1 / 13;
    grid-row: 2 / 3;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    height: 100%;
}

.feature-card {
    border-right: 10px solid #000;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    transition: background 0.3s;
    cursor: pointer;
}

.feature-card:last-child {
    border-right: none;
}

.feature-card:nth-child(1) { background-color: #fff; }
.feature-card:nth-child(2) { background-color: #C084FC; }
.feature-card:nth-child(3) { background-color: #4ADE80; }
.feature-card:nth-child(4) { background-color: #F472B6; }

.feature-icon-wrapper {
    width: 140px;
    height: 140px;
    border: 6px solid #000;
    border-radius: 50%;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    box-shadow: 8px 8px 0px #000;
    font-size: 60px;
    color: #000;
}

.feature-card:nth-child(2) .feature-icon-wrapper { background-color: var(--accent-yellow); }
.feature-card:nth-child(3) .feature-icon-wrapper { background-color: var(--accent-blue); color: #fff; }
.feature-card:nth-child(4) .feature-icon-wrapper { background-color: #000; color: #fff; }

.feature-title {
    font-family: 'AlibabaPuHuiTi', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 32px;
    margin-bottom: 15px;
    color: #000;
    font-weight: 400;
}

.feature-desc {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    max-width: 80%;
}

.card-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #000;
    color: #fff;
    padding: 5px 10px;
    font-weight: 700;
    font-size: 14px;
    transform: rotate(5deg);
}

.deco-sticker {
    position: absolute;
    z-index: 10;
    border: 4px solid #000;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.5);
}

.sticker-1 {
    top: -20px;
    right: 250px;
    background: #fff;
    padding: 10px;
    transform: rotate(15deg);
    font-weight: 900;
    font-size: 20px;
}

/* Footer */
.footer {
    grid-column: 1 / -1;
    background-color: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
    font-size: 18px;
    font-weight: 600;
}

.social-icons i {
    font-size: 32px;
    margin-left: 30px;
    cursor: pointer;
}

.social-icons i:hover {
    color: var(--accent-yellow);
}

.reset-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #ff4444;
    color: #fff;
    border: 6px solid #000;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 8px 8px 0px #000;
    transition: all 0.2s;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
}

.reset-btn:hover {
    background: #cc0000;
    transform: translate(-2px, -2px);
    box-shadow: 10px 10px 0px #000;
}

.reset-btn:active {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0px #000;
}