* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #56b7e9;
    --primary-soft: #7cccf3;
    --secondary: #2d5f8b;
    --secondary-dark: #214e74;
    --text: #1f1f1f;
    --text-soft: #4a4a4a;
    --bg-light: #eef3f8;
    --page-light: #fcfeff;
    --page-light-soft: #f2fbff;
    --white: #ffffff;
    --border: #e4e4e4;
    --footer-text: rgba(255, 255, 255, 0.96);
    --footer-soft: rgba(255, 255, 255, 0.78);
    --shadow: 0 18px 40px rgba(18, 62, 93, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #f7f9fc;
    color: var(--text);
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img,
video {
    display: block;
    max-width: 100%;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* =========================
   HEADER / NAVBAR
========================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(228, 228, 228, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(19, 60, 89, 0.04);
}

.navbar {
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 62px;
    width: auto;
    object-fit: contain;
}

.nav-desktop {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu > li {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    font-size: 0.98rem;
    font-weight: 700;
    color: #24384e;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.nav-link:hover {
    background: #f2f9ff;
    color: var(--secondary);
}

.dropdown-toggle {
    cursor: default;
}

.dropdown-chevron {
    font-size: 0.8rem;
    line-height: 1;
    opacity: 0.8;
    transform: translateY(1px);
}

.dropdown {
    position: relative;
}

.dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 14px;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: auto;
    min-width: 320px;
    background: var(--white);
    border: 1px solid rgba(228, 228, 228, 0.95);
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(19, 60, 89, 0.12);
    padding: 10px 0;
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s ease, transform 0.22s ease;
    z-index: 1200;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-menu li a {
    display: block;
    padding: 13px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #26384d;
    transition: background 0.25s ease, color 0.25s ease;
}

.dropdown-menu li a:hover {
    background: #f3fbff;
    color: var(--secondary);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.9rem;
    color: var(--secondary);
    cursor: pointer;
    line-height: 1;
    margin-left: auto;
}

/* =========================
   SIDEBAR MOBILE
========================= */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s ease;
    z-index: 1500;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    max-width: 82%;
    height: 100vh;
    background: var(--white);
    box-shadow: -8px 0 20px rgba(0, 0, 0, 0.12);
    padding: 20px;
    overflow-y: auto;
    transition: right 0.3s ease;
    z-index: 2000;
}

.sidebar.active {
    right: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 25px;
}

.mobile-logo-img {
    height: 50px;
    width: auto;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 1.6rem;
    color: var(--secondary);
    cursor: pointer;
    line-height: 1;
}

.sidebar-nav ul li {
    margin-bottom: 12px;
}

.sidebar-nav a,
.mobile-dropdown-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: #f5f7fa;
    border: none;
    border-radius: 8px;
    color: #222222;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease;
}

.sidebar-nav a:hover,
.mobile-dropdown-btn:hover {
    background: #eaf4fb;
    color: var(--secondary);
}

.mobile-submenu {
    display: none;
    margin-top: 10px;
    padding-left: 12px;
}

.mobile-submenu.active {
    display: block;
}

.mobile-submenu li {
    margin-bottom: 8px;
}

.mobile-submenu a {
    background: var(--white);
    border: 1px solid #e8e8e8;
    font-weight: 500;
}

/* =========================
   HERO HOME
========================= */
.hero {
    position: relative;
    min-height: calc(100vh - 90px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #0d4f78;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        180deg,
        rgba(10, 61, 98, 0.28) 0%,
        rgba(21, 109, 164, 0.34) 50%,
        rgba(12, 84, 130, 0.42) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 980px;
    text-align: center;
    padding: 60px 0;
}

.hero-script {
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 4.8rem;
    line-height: 1.15;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 24px;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.22);
}

.hero-description {
    max-width: 860px;
    margin: 0 auto 34px;
    font-size: 1.12rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.96);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
}

.btn-primary {
    display: inline-block;
    background: var(--white);
    color: var(--secondary);
    padding: 16px 32px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
}

.btn-primary:hover {
    background: #f3fbff;
    transform: translateY(-2px);
}

/* =========================
   HOME CATEGORIES
========================= */
.home-categories {
    padding: 95px 0 100px;
    background: linear-gradient(180deg, #ffffff 0%, #f3fbff 100%);
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-kicker {
    display: inline-block;
    margin-bottom: 14px;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
}

.section-heading h2 {
    font-size: 2.8rem;
    line-height: 1.15;
    color: var(--secondary);
    margin-bottom: 16px;
}

.section-heading p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-soft);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.category-card {
    background: var(--white);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 50px rgba(18, 62, 93, 0.16);
}

.category-card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.category-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.category-card:hover .category-card-image img {
    transform: scale(1.06);
}

.category-card-content {
    padding: 24px 22px 26px;
    text-align: center;
}

.category-card-content h3 {
    min-height: 58px;
    font-size: 1.28rem;
    line-height: 1.35;
    color: var(--secondary);
    margin-bottom: 18px;
}

/* HOME CARD CUSTOM */
.category-card-home {
    display: flex;
    flex-direction: column;
    padding: 0 0 26px;
}

.category-card-content-home {
    padding: 22px 22px 8px;
}

.category-card-content-home h3 {
    min-height: auto;
    margin-bottom: 0;
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 2rem;
    line-height: 1.15;
    font-weight: 400;
    color: var(--secondary);
}

.category-card-image-home {
    height: 230px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px 0;
    overflow: hidden;
}

.category-card-image-home img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 210px;
    object-fit: contain;
    margin: 0 auto;
}

.category-card:hover .category-card-image-home img {
    transform: none;
}

.category-card-footer {
    padding: 18px 22px 0;
    text-align: center;
}

.btn-secondary {
    display: inline-block;
    padding: 13px 24px;
    border-radius: 999px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    transition: background 0.25s ease, transform 0.25s ease;
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-1px);
}

/* CATALOG CTA */
.catalog-cta {
    margin-top: 42px;
    display: flex;
    justify-content: center;
}

.catalog-cta-box {
    width: 100%;
    max-width: 760px;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f6fcff 100%);
    border: 1px solid rgba(86, 183, 233, 0.18);
    border-radius: 28px;
    padding: 34px 28px 36px;
    box-shadow: 0 20px 45px rgba(18, 62, 93, 0.10);
}

.catalog-cta-kicker {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary);
}

.catalog-cta-box h3 {
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 2.6rem;
    line-height: 1.1;
    font-weight: 400;
    color: var(--secondary);
    margin-bottom: 14px;
}

.catalog-cta-box p {
    max-width: 560px;
    margin: 0 auto 24px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-soft);
}

.catalog-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 60px;
    padding: 0 30px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 16px 32px rgba(45, 95, 139, 0.22);
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.catalog-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 36px rgba(45, 95, 139, 0.26);
    filter: brightness(1.03);
}

.catalog-download-icon {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    line-height: 1;
}

/* =========================
   CATEGORY PAGES
========================= */
.category-page {
    background: linear-gradient(180deg, var(--page-light) 0%, var(--page-light-soft) 100%);
    padding: 70px 0 100px;
}

.category-page-hero {
    margin-bottom: 48px;
}

.category-page-hero .container {
    max-width: 900px;
    text-align: center;
}

.category-page-kicker {
    display: inline-block;
    margin-bottom: 14px;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
}

.category-page-title {
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 4.2rem;
    line-height: 1.1;
    font-weight: 400;
    color: var(--secondary);
    margin-bottom: 16px;
}

.category-page-description {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-soft);
}

.category-products {
    padding-top: 8px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--white);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card-header {
    padding: 20px 20px 8px;
    text-align: center;
}

.product-card-title {
    font-family: "Brush Script MT", "Segoe Script", cursive;
    font-size: 1.75rem;
    line-height: 1.15;
    font-weight: 400;
    color: var(--secondary);
}

.product-card-media {
    aspect-ratio: 1 / 0.72;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px 0;
    margin: 0 22px;
    border-radius: 0;
    overflow: hidden;
}

.product-card-media img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 240px;
    object-fit: contain;
    margin: 0 auto;
    transform: scale(1.12);
    transition: transform 0.25s ease;
}

.product-card:hover .product-card-media img {
    transform: scale(1.16);
}

.product-card-placeholder {
    width: 100%;
    min-height: 220px;
    border: 1px dashed rgba(45, 95, 139, 0.22);
    border-radius: 18px;
    background: #ffffff;
    color: var(--secondary);
    font-size: 0.96rem;
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-card-body {
    padding: 14px 22px 24px;
    text-align: center;
}

.product-card-description {
    font-size: 0.96rem;
    line-height: 1.7;
    color: var(--text-soft);
}

/* =========================
   FOOTER
========================= */
.site-footer {
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-soft) 100%);
    color: var(--white);
    margin-top: 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
    padding: 38px 0 26px;
}

.footer-column {
    text-align: center;
}

.footer-title {
    display: block;
    margin-bottom: 14px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--footer-soft);
}

.footer-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--footer-text);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.footer-links li {
    line-height: 1.4;
}

.footer-links a,
.footer-text a {
    color: var(--footer-text);
    transition: color 0.25s ease, opacity 0.25s ease;
}

.footer-links a:hover,
.footer-text a:hover {
    color: var(--white);
    opacity: 0.85;
}

.footer-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    padding: 16px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-meta p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-meta a {
    color: var(--white);
    font-weight: 700;
    transition: opacity 0.25s ease;
}

.footer-meta a:hover {
    opacity: 0.8;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1100px) {
    .category-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-desktop {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .navbar {
        min-height: 80px;
    }

    .logo-img {
        height: 50px;
    }

    .hero {
        min-height: calc(100vh - 80px);
    }

    .hero-script {
        font-size: 3.8rem;
    }

    .hero-description {
        max-width: 720px;
    }

    .home-categories {
        padding: 75px 0 80px;
    }

    .section-heading h2 {
        font-size: 2.3rem;
    }

    .category-card-content-home h3 {
        font-size: 1.7rem;
    }

    .category-card-image-home {
        height: 210px;
    }

    .category-card-image-home img {
        max-height: 185px;
    }

    .catalog-cta-box {
        padding: 30px 24px 32px;
    }

    .catalog-cta-box h3 {
        font-size: 2.2rem;
    }

    .category-page {
        padding: 60px 0 80px;
    }

    .category-page-title {
        font-size: 3.4rem;
    }

    .product-card-title {
        font-size: 1.6rem;
    }

    .product-card-media img {
        max-height: 210px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 30px 0 22px;
    }

    .footer-meta {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 14px 0 18px;
    }
}

@media (max-width: 768px) {
    .category-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .category-card-image {
        height: 240px;
    }

    .category-card-image-home {
        height: 220px;
    }

    .category-card-image-home img {
        max-height: 195px;
    }

    .catalog-download-btn {
        width: 100%;
        max-width: 360px;
    }

    .category-page-title {
        font-size: 2.8rem;
    }

    .product-card-media {
        aspect-ratio: 1 / 0.78;
    }
}

@media (max-width: 576px) {
    .container {
        width: 92%;
    }

    .hero-content {
        padding: 40px 0;
    }

    .hero-script {
        font-size: 2.7rem;
        line-height: 1.2;
    }

    .hero-description {
        font-size: 0.98rem;
        line-height: 1.75;
    }

    .btn-primary {
        padding: 14px 26px;
        font-size: 0.95rem;
    }

    .section-heading {
        margin-bottom: 34px;
    }

    .section-heading h2 {
        font-size: 1.95rem;
    }

    .section-heading p {
        font-size: 0.98rem;
    }

    .category-card-content-home h3 {
        font-size: 1.55rem;
    }

    .category-card-image-home {
        height: 200px;
        padding: 8px 16px 0;
    }

    .category-card-image-home img {
        max-height: 175px;
    }

    .category-card-footer {
        padding: 16px 18px 0;
    }

    .catalog-cta {
        margin-top: 34px;
    }

    .catalog-cta-box {
        border-radius: 22px;
        padding: 26px 18px 28px;
    }

    .catalog-cta-box h3 {
        font-size: 1.9rem;
    }

    .catalog-cta-box p {
        font-size: 0.96rem;
        line-height: 1.75;
    }

    .catalog-download-btn {
        min-height: 56px;
        padding: 0 22px;
        font-size: 0.95rem;
    }

    .catalog-download-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .category-page-title {
        font-size: 3.35rem;
    }

    .category-page-description {
        font-size: 0.98rem;
        line-height: 1.75;
    }

    .product-card-title {
        font-size: 1.45rem;
    }

    .product-card-description {
        font-size: 0.93rem;
    }

    .product-card-media {
        margin: 0 18px;
        padding: 8px 14px 0;
    }

    .product-card-media img {
        max-height: 185px;
        transform: scale(1.08);
    }

    .product-card:hover .product-card-media img {
        transform: scale(1.11);
    }

    .footer-text {
        font-size: 0.95rem;
    }

    .footer-links a {
        font-size: 0.95rem;
    }

    .footer-meta p {
        font-size: 0.86rem;
    }
}