/* =============================================
   Responsive - Tablet (max-width: 1024px)
   ============================================= */
@media (max-width: 1024px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-visual {
        height: 400px;
        order: -1;
    }

    .main-img {
        height: 350px;
    }

    .sub-img {
        width: 50%;
        height: 200px;
    }

    .about-badge {
        width: 100px;
        height: 100px;
        top: 20px;
        right: 20px;
    }

    .badge-number {
        font-size: 2rem;
    }

    .business-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

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

    .safety-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-columns {
        grid-template-columns: repeat(3, 1fr);
    }

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

/* =============================================
   Responsive - Mobile (max-width: 768px)
   ============================================= */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 20px;
    }

    /* Hero */
    .hero {
        min-height: 100vh;
        min-height: 100svh;
    }

    .hero-title .line {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
        letter-spacing: -1px;
    }

    .hero-subtitle br {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-outline {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    /* Stats */
    .stats-bar {
        padding: 40px 0;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .stat-number .counter {
        font-size: 2.2rem;
    }

    /* About */
    .about {
        padding: 80px 0;
    }

    .about-visual {
        height: 320px;
    }

    .main-img {
        height: 280px;
    }

    .sub-img {
        height: 170px;
    }

    .about-features {
        flex-direction: column;
        gap: 20px;
    }

    /* Business */
    .business {
        padding: 80px 0;
    }

    .business-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .biz-card {
        display: grid;
        grid-template-columns: 140px 1fr;
    }

    .biz-img {
        height: 100%;
        min-height: 200px;
    }

    .biz-content {
        padding: 20px;
    }

    .biz-number {
        top: 12px;
        left: 12px;
        font-size: 0.75rem;
        padding: 2px 10px;
    }

    /* Portfolio */
    .portfolio {
        padding: 80px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .pf-item {
        aspect-ratio: 16 / 10;
    }

    .pf-overlay {
        opacity: 1;
    }

    /* Timeline */
    .timeline-section {
        padding: 80px 0;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline-dot {
        left: -26px;
        width: 12px;
        height: 12px;
    }

    .timeline-content {
        padding: 20px;
    }

    /* Safety */
    .safety {
        padding: 80px 0;
    }

    .safety-policy {
        padding: 16px 20px;
    }

    .safety-circle {
        width: 180px;
        height: 180px;
    }

    .circle-number {
        font-size: 2.5rem;
    }

    .safety-stats {
        gap: 24px;
    }

    /* Organization */
    .organization {
        padding: 80px 0;
    }

    .org-card {
        padding: 24px;
    }

    /* Contact */
    .contact {
        padding: 80px 0;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Footer */
    .footer {
        padding: 60px 0 30px;
    }

    .footer-columns {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .section-header {
        margin-bottom: 40px;
    }
}

/* =============================================
   Responsive - Small Mobile (max-width: 480px)
   ============================================= */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero-badge span {
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-item {
        padding: 10px;
    }

    .about-badge {
        width: 80px;
        height: 80px;
    }

    .badge-number {
        font-size: 1.5rem;
    }

    .badge-text {
        font-size: 0.55rem;
    }

    .biz-card {
        grid-template-columns: 1fr;
    }

    .biz-img {
        min-height: 180px;
    }

    .footer-columns {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .safety-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
}