:root {
    --black: #111;
    --white: #fff;
    --border-soft: #e0e0e0;
    --gray-bg: #f8f8f8;
    --gray-text: #666;
    --transition: 0.25s ease;
}

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

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
}

.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 2px 0;
}

.nav-container {
    max-width: 1380px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 8px 18px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--black);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-logo:hover {
    opacity: 0.7;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-width: 0;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1;
}

.nav-links a:hover {
    color: var(--gray-text);
}

.nav-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-dropbtn {
    background: none;
    border: none;
    color: var(--black);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    line-height: 1;
}

.nav-dropbtn i {
    font-size: 10px;
    transition: transform var(--transition);
}

.nav-dropbtn.open i {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 190px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
    display: none;
    z-index: 9999;
}

.nav-dropdown-menu.open {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: 11px 16px;
    font-size: 12px;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    background: #f7f7f7;
    color: var(--black);
}

.right-side {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    white-space: nowrap;
}

.nav-search {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    padding: 6px 10px;
    border-radius: 24px;
    background: #f5f5f5;
    gap: 6px;
    transition: var(--transition);
}

.nav-search:hover {
    background: #ececec;
}

.nav-search:focus-within {
    background: var(--white);
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.nav-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 12px;
    width: 80px;
    color: var(--black);
}

.nav-search input::placeholder {
    color: #999;
}

.nav-search button {
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    padding: 0;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.nav-search button:hover {
    color: var(--black);
}

.icon-btn {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--black);
    cursor: pointer;
    padding: 6px;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--gray-text);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--black);
    color: var(--white);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

.mobile-toggle {
    display: none;
}

.mobile-menu {
    display: none;
}

.page-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 30px;
    min-height: calc(100vh - 400px);
}

.page-content:has(.ix-banner-section:first-child) {
    padding-top: 0;
}

.footer {
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    color: var(--white);
    padding: 70px 40px 20px;
    margin-top: 120px;
    border-top: 1px solid #2a2a2a;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid #2a2a2a;
}

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

.footer-about img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.footer-about p {
    color: #b8b8b8;
    font-size: 14px;
    line-height: 1.9;
    max-width: 320px;
    opacity: 0.9;
}

.footer-grid h4 {
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--white);
    position: relative;
    padding-bottom: 12px;
}

.footer-grid h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--white) 0%, transparent 100%);
}

.footer-grid div {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-grid a {
    color: #b8b8b8;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
    padding: 4px 0;
    position: relative;
    width: fit-content;
}

.footer-grid a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-grid a:hover {
    color: var(--white);
    transform: translateX(8px);
}

.footer-grid a:hover::before {
    opacity: 1;
    left: -15px;
}

.footer-bottom {
    padding: 25px 0 15px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.toast-message {
    position: fixed;
    top: 100px;
    right: 30px;
    z-index: 9999;
    padding: 18px 28px;
    background-color: var(--black);
    color: var(--white);
    border-radius: 4px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    font-size: 14px;
    font-weight: 600;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.4s ease;
}

.toast-message.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-message.success {
    background-color: #27ae60;
}

.toast-message.error {
    background-color: #e74c3c;
}

body.dark-mode {
    background-color: #121212;
    color: #f0f0f0;
}

body.dark-mode .header {
    background-color: #1e1e1e;
    border-bottom: 1px solid #333;
}

body.dark-mode .nav-logo,
body.dark-mode .nav-links a,
body.dark-mode .nav-dropbtn,
body.dark-mode .icon-btn {
    color: #f0f0f0;
}

body.dark-mode .nav-links a:hover,
body.dark-mode .icon-btn:hover,
body.dark-mode .nav-dropbtn:hover {
    color: #bbb;
}

body.dark-mode .nav-search {
    background: #2a2a2a;
    border: 1px solid #444;
}

body.dark-mode .nav-search input {
    color: #f0f0f0;
}

body.dark-mode .nav-search input::placeholder {
    color: #aaa;
}

body.dark-mode .nav-search button {
    color: #ccc;
}

body.dark-mode .nav-search button:hover {
    color: #fff;
}

body.dark-mode .nav-dropdown-menu {
    background: #1e1e1e;
    border-color: #333;
}

body.dark-mode .nav-dropdown-menu a {
    color: #f0f0f0;
}

body.dark-mode .nav-dropdown-menu a:hover {
    background: #2a2a2a;
}

body.dark-mode .cart-count {
    background-color: #f0f0f0;
    color: #121212;
}

body.dark-mode .mobile-toggle {
    background: #2a2a2a;
    border-color: #444;
}

body.dark-mode .mobile-menu {
    background: #1e1e1e;
    border-bottom-color: #333;
}

body.dark-mode .mobile-menu a {
    color: #f0f0f0;
}

body.dark-mode .mobile-menu a:hover {
    background: #2a2a2a;
}

@media (max-width: 1250px) {
    .nav-container {
        padding: 8px 14px;
        gap: 8px;
    }

    .nav-links {
        gap: 10px;
    }

    .nav-links a,
    .nav-dropbtn {
        font-size: 11px;
    }

    .nav-search input {
        width: 60px;
    }
}

@media (max-width: 1100px) {
    .nav-search {
        display: none;
    }

    .nav-links {
        gap: 8px;
    }

    .nav-links a,
    .nav-dropbtn {
        font-size: 10px;
    }

    .nav-logo {
        font-size: 16px;
    }

    .nav-logo img {
        width: 34px;
        height: 34px;
    }

    .icon-btn {
        font-size: 17px;
        padding: 5px;
    }
}

@media (max-width: 920px) {
    .nav-links {
        display: none;
    }

    .nav-dropdown-menu {
        display: none !important;
    }

    .mobile-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: 1px solid #ddd;
        background: #f5f5f5;
        border-radius: 10px;
        cursor: pointer;
        transition: var(--transition);
    }

    .mobile-toggle:hover {
        background: #ececec;
    }

    .mobile-menu {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: var(--white);
        border-bottom: 1px solid var(--border-soft);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        padding: 14px 14px 18px;
        z-index: 999;
    }

    .mobile-menu.open {
        display: block;
    }

    .mobile-menu a {
        display: block;
        padding: 12px 10px;
        text-decoration: none;
        color: var(--black);
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        border-radius: 10px;
        transition: var(--transition);
    }

    .mobile-menu a:hover {
        background: #f3f3f3;
    }

    .mobile-menu .nav-search {
        display: flex;
        width: 100%;
        margin: 10px 0 6px;
    }

    .mobile-menu .nav-search input {
        width: 100%;
    }

    .page-content {
        padding: 35px 18px;
    }

    .page-content:has(.ix-banner-section:first-child) {
        padding-top: 0;
    }

    .footer {
        padding: 46px 16px 14px;
        margin-top: 70px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 24px;
        padding-bottom: 24px;
    }

    .footer-about p {
        max-width: 100%;
    }

    .footer-grid a {
        width: 100%;
        padding: 10px 6px;
        border-radius: 10px;
    }

    .footer-grid a::before {
        display: none;
    }

    .footer-grid a:hover {
        transform: none;
    }

    .footer-bottom p {
        letter-spacing: 0.6px;
        padding: 0 8px;
    }
}

@media (max-width: 420px) {
    .nav-logo {
        font-size: 15px;
    }

    .nav-logo img {
        width: 30px;
        height: 30px;
    }

    .icon-btn {
        font-size: 16px;
        padding: 4px;
    }

    .mobile-toggle {
        width: 34px;
        height: 34px;
    }

    .footer {
        padding: 40px 14px 12px;
    }
}