/*
Theme Name: EntropyArk
Theme URI: https://www.shangdiefangzhou.com
Author: SD Ark Team
Author URI: https://www.shangdiefangzhou.com
Description: EntropyArk corporate WordPress theme - AI technology product company site. Responsive layout, product filtering, contact form, scroll animations.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.7
Requires PHP: 7.4
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: entropyark
Tags: one-column, custom-menu, featured-images, theme-options, blog, news
*/

/* ============================================================
   EntropyArk Theme - All Styles
   ============================================================ */

/* -------- CSS Variables -------- */
:root {
    --primary: #1A56DB;
    --primary-dark: #1040A8;
    --primary-light: #3B82F6;
    --accent: #0EA5E9;
    --accent-green: #10B981;
    --dark: #0F172A;
    --dark-card: #1E293B;
    --gray: #64748B;
    --gray-light: #94A3B8;
    --light: #F1F5F9;
    --white: #FFFFFF;
    --border: #E2E8F0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 10px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 50px -12px rgba(0,0,0,0.15);
    --radius: 10px;
    --radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* -------- Reset -------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 72px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    color: #334155;
    background: var(--white);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 28px;
}

/* -------- Top Bar -------- */
.topbar {
    background: var(--dark);
    color: rgba(255,255,255,0.65);
    font-size: 0.8rem;
    padding: 6px 0;
    display: none;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-left: 20px;
    transition: var(--transition);
}
.topbar a:hover {
    color: var(--accent);
}
@media (min-width: 1025px) {
    .topbar { display: block; }
}

/* -------- Navbar -------- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid #E8ECF2;
    box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: 0.5px;
}
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
}

/* Nav Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}
.nav-links > li {
    position: relative;
}
.nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-size: 0.93rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 6px;
    transition: var(--transition);
    display: block;
}
.nav-links a:hover,
.nav-links a.active,
.nav-links .current-menu-item > a {
    color: var(--primary);
    background: #EEF2FF;
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    z-index: 1001;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}
.dropdown-menu a {
    padding: 10px 20px;
    color: var(--gray) !important;
    background: transparent !important;
    font-size: 0.88rem;
    white-space: nowrap;
}
.dropdown-menu a:hover {
    color: var(--primary) !important;
    background: #F8FAFC !important;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1002;
}
.hamburger span {
    width: 26px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* -------- Hero -------- */
.hero {
    position: relative;
    min-height: 580px;
    display: flex;
    align-items: center;
    background: linear-gradient(160deg, #0A1628 0%, #112240 40%, #1A3A6C 70%, #0F2B4F 100%);
    overflow: hidden;
}
.hero-mesh {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image:
        repeating-linear-gradient(0deg, #fff, #fff 1px, transparent 1px, transparent 50px),
        repeating-linear-gradient(90deg, #fff, #fff 1px, transparent 1px, transparent 50px);
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
}
.glow1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -150px;
    left: -100px;
    animation: float1 10s ease-in-out infinite;
}
.glow2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -120px;
    right: -80px;
    animation: float2 12s ease-in-out infinite;
}
@keyframes float1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(40px, -30px); }
}
@keyframes float2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, 20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1260px;
    margin: 0 auto;
    padding: 70px 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.hero-text .tag {
    display: inline-block;
    background: rgba(59,130,246,0.18);
    border: 1px solid rgba(59,130,246,0.3);
    color: var(--accent);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.hero-text h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 16px;
}
.hero-text h1 .en {
    display: block;
    font-size: 0.48em;
    font-weight: 400;
    color: rgba(255,255,255,0.5);
    margin-bottom: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.hero-text .slogan {
    font-size: 1.15rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 16px;
}
.hero-text .desc {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    line-height: 1.9;
    margin-bottom: 36px;
}
.hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 32px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    line-height: 1.4;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(26,86,219,0.4);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(26,86,219,0.55);
}
.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Hero Visual Panel */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}
.stat-panel {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 36px 32px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    width: 100%;
    max-width: 400px;
}
.stat-row {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}
.stat-item {
    flex: 1;
    text-align: center;
}
.stat-item .num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
}
.stat-item .lbl {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.45);
    margin-top: 6px;
}
.tag-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-strip span {
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    background: rgba(14,165,233,0.12);
    color: var(--accent);
    border: 1px solid rgba(14,165,233,0.2);
}

/* -------- Section Common -------- */
.section {
    padding: 90px 0;
}
.section-alt {
    background: var(--light);
}
.section-head {
    text-align: center;
    margin-bottom: 60px;
}
.section-head .label {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-head h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}
.section-head .line {
    width: 52px;
    height: 3px;
    background: var(--accent);
    margin: 0 auto 16px;
    border-radius: 2px;
}
.section-head p {
    color: var(--gray);
    max-width: 640px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* -------- Applications -------- */
.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.app-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px 28px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 0 0 3px 3px;
    transform: scaleX(0);
    transition: transform 0.45s ease;
}
.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}
.app-card:hover::before {
    transform: scaleX(1);
}
.app-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 22px;
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}
.app-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}
.app-card p {
    color: var(--gray);
    font-size: 0.85rem;
    line-height: 1.7;
}

/* -------- Products -------- */
.product-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 44px;
}
.product-nav span {
    padding: 10px 28px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--white);
    border: 1.5px solid var(--border);
    color: var(--gray);
    user-select: none;
}
.product-nav span:hover,
.product-nav span.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(26,86,219,0.3);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--white);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}
.product-card:hover .product-visual img {
    transform: scale(1.08);
}
.product-visual {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.product-visual img {
    max-width: 140px;
    max-height: 140px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
    transition: transform 0.4s ease;
}
.product-visual .badge {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
}
.badge-hot {
    background: #EF4444;
}
.badge-new {
    background: var(--accent-green);
}
.product-body {
    padding: 24px;
}
.product-body h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.product-body .specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}
.product-body .specs span {
    font-size: 0.75rem;
    padding: 3px 10px;
    background: #F1F5F9;
    border-radius: 4px;
    color: var(--gray);
}
.product-body p {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 16px;
}
.product-body .link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.product-body .link:hover {
    gap: 10px;
    color: var(--primary-dark);
}

/* -------- About Us -------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.about-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, #112240, #1A3A6C, #0EA5E9);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255,255,255,0.15);
}
.about-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-image .excellence-badge {
    position: absolute;
    bottom: -16px;
    right: -16px;
    background: var(--white);
    padding: 22px 28px;
    border-radius: 14px;
    box-shadow: var(--shadow-xl);
    text-align: center;
    z-index: 2;
}
.excellence-badge .big {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}
.excellence-badge .small {
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 4px;
}
.about-text h3 {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
}
.about-text p {
    color: var(--gray);
    margin-bottom: 18px;
    line-height: 1.9;
}
.about-text .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}
.about-text .tags span {
    padding: 7px 18px;
    background: #EEF2FF;
    border-radius: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
}

/* -------- Mission / Vision / Values -------- */
.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 72px;
}
.mvv-card {
    text-align: center;
    padding: 44px 32px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.mvv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    border-radius: 0 0 4px 4px;
}
.mvv-card:nth-child(1)::before { background: var(--primary); }
.mvv-card:nth-child(2)::before { background: var(--accent); }
.mvv-card:nth-child(3)::before { background: var(--accent-green); }
.mvv-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}
.mvv-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
    font-weight: 700;
}
.mvv-card:nth-child(1) .mvv-circle { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.mvv-card:nth-child(2) .mvv-circle { background: linear-gradient(135deg, #0284C7, #0EA5E9); }
.mvv-card:nth-child(3) .mvv-circle { background: linear-gradient(135deg, #059669, #10B981); }
.mvv-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}
.mvv-card p {
    color: var(--gray);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* -------- News -------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
.news-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    gap: 20px;
}
.news-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.news-date {
    width: 68px;
    height: 68px;
    border-radius: 10px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}
.news-date .d {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}
.news-date .m {
    font-size: 0.72rem;
    opacity: 0.85;
}
.news-body {
    flex: 1;
    min-width: 0;
}
.news-body .cat {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
    display: inline-block;
    background: #EEF2FF;
    padding: 2px 10px;
    border-radius: 4px;
}
.news-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.5;
}
.news-body p {
    color: var(--gray);
    font-size: 0.83rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* -------- Contact -------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 48px;
}
.contact-info h3 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}
.contact-info > p {
    color: var(--gray);
    margin-bottom: 36px;
}
.ci-item {
    display: flex;
    gap: 14px;
    margin-bottom: 24px;
    align-items: flex-start;
}
.ci-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: #EEF2FF;
}
.ci-item h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}
.ci-item span {
    color: var(--gray);
    font-size: 0.85rem;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    border-radius: 16px;
    padding: 44px 40px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.fg {
    margin-bottom: 20px;
}
.fg label {
    display: block;
    font-weight: 600;
    font-size: 0.86rem;
    color: var(--dark);
    margin-bottom: 8px;
}
.fg input,
.fg select,
.fg textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.93rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
    background: #FAFBFC;
}
.fg input:focus,
.fg select:focus,
.fg textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26,86,219,0.07);
    background: #fff;
}
.fg textarea {
    resize: vertical;
    min-height: 120px;
}
.btn-full {
    width: 100%;
    justify-content: center;
    padding: 15px !important;
    font-size: 1rem;
}
.form-success {
    display: none;
    text-align: center;
    padding: 40px;
}
.form-success .check {
    font-size: 3.5rem;
    margin-bottom: 12px;
}
.form-success h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #059669;
    margin-bottom: 8px;
}
.form-success p {
    color: var(--gray);
}

/* -------- Footer -------- */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.55);
    padding: 56px 0 24px;
    margin-top: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 44px;
    margin-bottom: 40px;
}
.footer-brand h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.9;
}
.footer-col h5 {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 16px;
}
.footer-col ul {
    list-style: none;
}
.footer-col li {
    margin-bottom: 10px;
}
.footer-col a {
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--accent);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
}
.footer-bottom a {
    color: rgba(255,255,255,0.4);
    text-decoration: none;
}

/* -------- Back to Top -------- */
.back2top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 46px;
    height: 46px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 18px rgba(26,86,219,0.35);
}
.back2top.show {
    opacity: 1;
    visibility: visible;
}
.back2top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* -------- Scroll Animations -------- */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* -------- Mobile Menu -------- */
.mob-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--dark);
    z-index: 1001;
    padding: 80px 30px 30px;
    transition: right 0.35s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.mob-menu.active {
    right: 0;
}
.mob-menu a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 1.05rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mob-menu a:hover {
    color: var(--accent);
}
.mob-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mob-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* -------- Responsive -------- */
@media (max-width: 1024px) {
    .app-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .hero-content { grid-template-columns: 1fr; text-align: center; padding: 50px 20px; }
    .hero-btns { justify-content: center; }
    .product-nav { gap: 6px; }
    .product-nav span { padding: 8px 16px; font-size: 0.82rem; }
    .app-grid { grid-template-columns: 1fr 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .mvv-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
}

@media (max-width: 480px) {
    .app-grid { grid-template-columns: 1fr; }
    .hero-text h1 { font-size: 1.5rem; }
    .section-head h2 { font-size: 1.5rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* -------- WordPress Core Compatibility -------- */
.alignnone {
    margin: 5px 20px 20px 0;
}

.aligncenter,
div.aligncenter {
    display: block;
    margin: 5px auto;
}

.alignright {
    float: right;
    margin: 5px 0 20px 20px;
}

.alignleft {
    float: left;
    margin: 5px 20px 20px 0;
}

.alignwide {
    margin-left: -80px;
    margin-right: -80px;
    max-width: none;
    width: auto;
}

.alignfull {
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    max-width: none;
    width: auto;
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 0.85rem;
    color: var(--gray);
    text-align: center;
    margin-top: 8px;
}

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

.gallery {
    margin-bottom: 1.5em;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.gallery-item {
    display: inline-block;
    text-align: center;
    width: 100%;
}

.gallery-caption {
    font-size: 0.8rem;
    color: var(--gray);
}

.wp-block-button__link {
    background: var(--primary);
    color: #fff;
    border-radius: 30px;
    padding: 12px 28px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-weight: 600;
    transition: var(--transition);
}

.wp-block-button__link:hover {
    background: var(--primary-dark);
}

.wp-block-cover {
    padding: 60px 0;
}

.wp-block-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

/* Pagination */
.nav-links.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    list-style: none;
}

.nav-links.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    color: var(--gray);
    transition: var(--transition);
}

.nav-links.pagination .page-numbers.current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.nav-links.pagination .page-numbers:hover:not(.current) {
    background: #EEF2FF;
    color: var(--primary);
}

/* Sticky post */
.sticky {
    border-left: 4px solid var(--primary);
}

/* By post author */
.bypostauthor {
    border-left: 4px solid var(--accent-green);
}

/* Comments */
.comment-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.comment-list li {
    margin-bottom: 20px;
}

.comment-body {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #FAFBFC;
}

.comment-meta {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 10px;
}

.comment-content p {
    color: #334155;
    font-size: 0.93rem;
    line-height: 1.7;
}