/* =========================
   BASE (Mobile First)
   ========================= */

/* Global box-sizing and basic reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 100%;
    padding: 0 1rem;
    margin-inline: auto;
}

.hero {
    padding: 2.5rem 0 1.8rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.6rem;
}

.hero-flex {
    grid-template-columns: 1fr;
    text-align: center;
}

.hero-visual {
    order: -1;
}

.hero-actions {
    justify-content: center;
}

.hero-meta {
    grid-template-columns: 1fr;
}

.hero-chips {
    justify-content: center;
}

.hero-text h1 {
    font-size: clamp(1.7rem, 5vw, 2.4rem);
}

.hero-text p {
    font-size: clamp(0.95rem, 2.5vw, 1.05rem);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.btn,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    text-align: center;
    cursor: pointer;
}

.items-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: start;
    grid-auto-rows: auto;
}

.admin-layout,
.user-layout {
    display: grid;
    grid-template-columns: 1fr;
}

.admin-sidebar,
.user-sidebar {
    display: none;
}

.admin-main,
.user-main {
    padding: 1.5rem 1rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.category-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.35rem;
}

.category-tab {
    white-space: nowrap;
}

.navbar-menu {
    overflow-x: auto;
    justify-content: flex-start;
    gap: 1.2rem;
}

.navbar-menu a {
    white-space: nowrap;
}

/* =========================
   Max 900px (Mobile/Tablet)
   ========================= */
@media (max-width: 900px) {
    .container {
        padding-left: 0.6rem;
        padding-right: 0;
    }

    .landing-catalog .catalog-track-wrapper {
        overflow-x: auto;
        overflow-y: hidden;
    }

    .landing-catalog .catalog-track {
        flex-wrap: nowrap;
        gap: 0.75rem;
        padding: 0 0.6rem 0.6rem 0;
        scroll-snap-type: x mandatory;
        transform: none !important;
    }

    .landing-catalog .catalog-card {
        flex: 0 0 60%;
        max-width: 60%;
        scroll-snap-align: start;
    }

    .catalog-page .catalog-track {
        flex-wrap: wrap;
        transform: none !important;
    }

    .catalog-page .catalog-card {
        flex: 1 1 100%;
        max-width: 100%;
        flex-direction: row;
        align-items: stretch;
    }

    .catalog-page .catalog-image {
        width: 38%;
        min-height: 140px;
    }

    .catalog-page .catalog-body {
        width: 62%;
    }
}

/* =========================
   Max 640px (Small phones)
   ========================= */
@media (max-width: 640px) {
    html, body {
        overflow-x: hidden;
    }

    .hero {
        padding: 2.2rem 0 1.5rem;
    }

    .container {
        padding-left: 0;
        padding-right: 0;
        max-width: 100%;
    }

    .section .container {
        padding-left: 0.8rem;
        padding-right: 0.8rem;
    }

    .landing-catalog .catalog-card {
        flex-basis: 70%;
        max-width: 70%;
    }

    main,
    .hero-top,
    .section {
        padding-left: 0;
        padding-right: 0;
    }

    .hero-copy h1 {
        font-size: clamp(1.8rem, 7vw, 2.1rem);
    }

    .hero-subtitle {
        margin-bottom: 1rem;
    }

    .hero-visual img {
        max-width: 320px;
    }

    .hero-bubble {
        width: 280px;
        height: 280px;
    }

    .hero-actions {
        flex-direction: row;
        justify-content: center;
        gap: 0.5rem;
    }

    .hero-actions .btn,
    .hero-actions .btn-outline {
        width: auto;
        min-width: 120px;
        padding: 0.45rem 0.8rem;
        font-size: 0.85rem;
    }

    .hero-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .meta-card {
        padding: 0.55rem 0.7rem;
        border-radius: 12px;
    }

    .meta-card strong {
        font-size: 1rem;
    }

    .meta-card span {
        font-size: 0.85rem;
    }

    .meta-card.muted {
        grid-column: 1 / -1;
        justify-content: center;
    }

    .hero-chips {
        justify-content: center;
        gap: 0.35rem;
    }

    .chip {
        padding: 0.25rem 0.6rem;
        font-size: 0.8rem;
    }

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

    .about-actions {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
    }

    .about-actions .btn,
    .about-actions .btn-outline {
        width: auto;
        min-width: 0;
        padding: 0.35rem 0.7rem;
        font-size: 0.82rem;
    }

    .highlight-card {
        padding: 1rem;
    }

    .stats-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.45rem;
    }

    .stat {
        padding: 0.6rem 0.7rem;
        border-radius: 12px;
    }

    .stat strong {
        font-size: 0.95rem;
    }

    .stat span {
        font-size: 0.8rem;
    }

    .about-meta {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .meta-chip {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
        border-radius: 12px;
        background: #f4f7ff;
    }

    .meta-chip .dot {
        width: 8px;
        height: 8px;
    }

    .section-title {
        margin-top: 0;
        margin-bottom: 0.5rem;
    }

    .section-subtitle {
        margin-bottom: 0.9rem;
    }

    .category-tabs {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.35rem;
        margin-top: 0.6rem;
    }

    .category-tab {
        text-align: center;
        padding: 0.32rem 0.5rem;
        font-size: 0.8rem;
        border-radius: 9px;
    }

    .catalog-image {
        padding: 0.6rem;
        min-height: 0;
        aspect-ratio: 4 / 3;
    }

    .catalog-image img {
        width: 100%;
        height: 100%;
        max-height: none;
        object-fit: contain;
    }

    .category-tabs {
        gap: 0.5rem;
    }
}

/* =========================
   ≥ 480px (Small phones)
   ========================= */
@media (min-width: 480px) {
    .items-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-cta {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .btn,
    .btn-outline {
        display: inline-flex;
        align-items: center;
        width: auto;
        min-width: 160px;
    }
}

/* =========================
   ≥ 640px (Large phones)
   ========================= */
@media (min-width: 640px) {
    .navbar-menu {
        justify-content: center;
        overflow-x: visible;
    }

    .hero {
        padding: 3.2rem 0 2.4rem;
    }

    .carousel-frame {
        border-radius: 24px;
    }
}

/* =========================
   ≥ 768px (Tablet)
   ========================= */
@media (min-width: 768px) {
    .hero-inner {
        grid-template-columns: 1.1fr 0.9fr;
        align-items: center;
        gap: 2.4rem;
    }

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

    .auth-page {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .auth-left {
        display: block;
    }

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

/* =========================
   ≥ 1024px (Laptop)
   ========================= */
@media (min-width: 1024px) {
    .container {
        max-width: 1100px;
        margin: auto;
    }

    .hero-flex {
        grid-template-columns: 1.05fr 0.95fr;
        text-align: left;
    }

    .hero-visual {
        order: 0;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero-meta {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .hero-chips {
        justify-content: flex-start;
    }

    .admin-layout,
    .user-layout {
        grid-template-columns: 240px 1fr;
    }

    .admin-sidebar,
    .user-sidebar {
        display: block;
    }

    .items-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* =========================
   ≥ 1280px (Desktop besar)
   ========================= */
@media (min-width: 1280px) {
    .container {
        max-width: 1200px;
    }

    .hero-text h1 {
        font-size: 2.6rem;
    }

    .hero-text p {
        font-size: 1.1rem;
    }
}