/* ============================================
   因锐信息技术官网 - 温暖工业风设计系统
   主色：青绿色系，温暖有活力
   ============================================ */

:root {
    /* 品牌主色 - 青绿/苔绿 */
    --brand: #0ea5e9;
    --brand-600: #0284c7;
    --brand-700: #0369a1;
    --brand-50: #f0f9ff;
    --brand-100: #e0f2fe;
    --brand-200: #bae6fd;
    
    /* 辅助色 - 暖橙 */
    --accent: #f97316;
    --accent-600: #ea580c;
    --accent-50: #fff7ed;
    --accent-100: #ffedd5;
    
    /* 中性色 */
    --ink-900: #0f172a;
    --ink-800: #1e293b;
    --ink-700: #334155;
    --ink-600: #475569;
    --ink-500: #64748b;
    --ink-400: #94a3b8;
    --ink-300: #cbd5e1;
    --ink-200: #e2e8f0;
    --ink-100: #f1f5f9;
    --ink-50: #f8fafc;
    
    /* 语义色*/
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    
    /* 页面背景 */
    --page: #f8fafc;
    --white: #ffffff;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
    --shadow-xl: 0 20px 48px rgba(15, 23, 42, 0.12);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    
    /* 字体 — 优先 Mac 苹方 / SF Pro，优雅中英文混排 */
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", "Segoe UI", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
    --font-mono: "SF Mono", "JetBrains Mono", "Menlo", "Monaco", Consolas, monospace;
    
    /* 字号尺度（更接近 Mac 优雅排版） */
    --fs-xs: 12px;
    --fs-sm: 13px;
    --fs-base: 15px;
    --fs-lg: 16px;
    --fs-xl: 18px;
    --fs-2xl: 20px;
    --fs-3xl: 24px;
    --fs-4xl: 30px;
    --fs-5xl: 38px;
    --fs-6xl: 48px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--ink-800);
    background: var(--page);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern", "liga", "clig", "calt";
    font-size: 15px;
    letter-spacing: 0.01em;
}

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

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

.container {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
}

/* ============ 顶部装饰线 ============ */
.topline {
    height: 4px;
    background: linear-gradient(90deg, var(--brand), #38bdf8, var(--accent));
}

/* ============ 导航栏 ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--ink-100);
}

.nav {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 220px;
}

.brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    padding: 6px;
    border: 1px solid var(--ink-100);
    background: #fff;
}

.brand strong {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: var(--ink-900);
    line-height: 1.3;
}

.brand span {
    display: block;
    color: var(--ink-500);
    font-size: 12px;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    color: var(--ink-600);
    font-size: 14px;
    font-weight: 500;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    position: relative;
    transition: color 0.2s;
    padding: 6px 0;
}

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

.nav-links a.active {
    color: var(--brand-700);
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
}

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

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 22px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    background: var(--brand);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
    background: var(--brand-600);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.45);
}

.btn-accent {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}

.btn-accent:hover {
    background: var(--accent-600);
}

.btn-light {
    background: #fff;
    color: var(--brand-700);
    border-color: var(--brand-200);
}

.btn-light:hover {
    background: var(--brand-50);
    border-color: var(--brand-300);
}

.btn-outline {
    background: transparent;
    color: var(--ink-700);
    border-color: var(--ink-200);
}

.btn-outline:hover {
    background: var(--ink-50);
    border-color: var(--ink-300);
}

.btn-lg {
    height: 52px;
    padding: 0 28px;
    font-size: 15px;
}

/* ============ 动效 ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

.hero-text .eyebrow { animation: fadeUp 0.6s ease 0.1s both; }
.hero-text h1 { animation: fadeUp 0.6s ease 0.2s both; }
.hero-text .lead { animation: fadeUp 0.6s ease 0.3s both; }
.hero-text .hero-actions { animation: fadeUp 0.6s ease 0.4s both; }
.hero-text .hero-proof { animation: fadeUp 0.6s ease 0.5s both; }
.hero-visual { animation: fadeUp 0.8s ease 0.3s both; }
.hero-badge.left { animation: float 4s ease-in-out infinite; }
.hero-badge.right { animation: float 4s ease-in-out 1.5s infinite; }

/* ============ Hero 区块 ============ */
.hero-section {
    position: relative;
    padding: 80px 0 70px;
    background: linear-gradient(180deg, #ffffff 0%, #f0f9ff 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.12), transparent 70%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08), transparent 70%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--brand-50);
    color: var(--brand-700);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid var(--brand-100);
}

.eyebrow i {
    font-size: 12px;
}

h1 {
    font-size: clamp(36px, 4.5vw, 56px);
    line-height: 1.2;
    color: var(--ink-900);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
    font-feature-settings: "ss01", "cv11";
}

h1 .highlight {
    color: var(--brand-600);
    position: relative;
    display: inline-block;
}

h1 .highlight::after {
    content: '';
    position: absolute;
    left: -4px;
    right: -4px;
    bottom: 4px;
    height: 12px;
    background: rgba(14, 165, 233, 0.2);
    z-index: -1;
    border-radius: 6px;
    transform: skewX(-6deg);
}

.lead {
    font-size: 17px;
    line-height: 1.8;
    color: var(--ink-600);
    margin-bottom: 32px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--ink-500);
    font-size: 13px;
}

.hero-proof span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-proof i {
    color: var(--success);
    font-size: 14px;
}

.hero-visual {
    position: relative;
}

.hero-visual img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-badge {
    position: absolute;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-badge.left {
    top: 30px;
    left: -20px;
}

.hero-badge.right {
    bottom: 40px;
    right: -10px;
}

.hero-badge .icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-size: 18px;
}

.hero-badge .num {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink-900);
    line-height: 1.2;
}

.hero-badge .label {
    font-size: 12px;
    color: var(--ink-500);
}

/* ============ 通用区块 ============ */
.section {
    padding: 80px 0;
}

.section.white {
    background: #fff;
}

.section.gray {
    background: var(--ink-50);
}

.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 50px;
}

.section-head .kicker {
    display: inline-block;
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-head h2 {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 800;
    color: var(--ink-900);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-head p {
    font-size: 16px;
    color: var(--ink-500);
    line-height: 1.75;
}

h2 {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 700;
    color: var(--ink-900);
    line-height: 1.3;
    letter-spacing: -0.015em;
}

/* ============ 价值主张 4 格 ============ */
.value-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.value-card {
    background: #fff;
    border: 1px solid var(--ink-100);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-100);
}

.value-card .icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--brand-50);
    color: var(--brand);
    display: grid;
    place-items: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 10px;
}

.value-card p {
    font-size: 14px;
    color: var(--ink-500);
    line-height: 1.7;
}

/* ============ 功能展示（左右交替） ============ */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse .feature-text {
    order: 2;
}

.feature-row.reverse .feature-image {
    order: 1;
}

.feature-tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--brand-50);
    color: var(--brand-700);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.feature-text h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink-900);
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-text > p {
    font-size: 15px;
    color: var(--ink-600);
    margin-bottom: 24px;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    color: var(--ink-700);
    font-size: 14px;
}

.feature-list li i {
    color: var(--brand);
    margin-top: 4px;
    font-size: 14px;
    flex-shrink: 0;
}

.feature-image {
    position: relative;
}

.feature-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ============ 产品卡片网格 ============ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--ink-100);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-100);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand);
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover::before {
    opacity: 1;
}

.product-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.product-card.mes .icon {
    background: #dbeafe;
    color: #2563eb;
}

.product-card.wms .icon {
    background: #dcfce7;
    color: #16a34a;
}

.product-card.quality .icon {
    background: #fef3c7;
    color: #d97706;
}

.product-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 10px;
}

.product-card p {
    font-size: 14px;
    color: var(--ink-500);
    margin-bottom: 20px;
    line-height: 1.7;
}

.product-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.product-card .tags span {
    padding: 4px 10px;
    background: var(--ink-50);
    color: var(--ink-600);
    border-radius: 6px;
    font-size: 12px;
}

.product-card .link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.2s;
}

.product-card:hover .link {
    gap: 10px;
}

/* ============ 数据统计条 ============ */
.stats-band {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--brand-700), #0369a1);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item .num {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-item .num span {
    font-size: 24px;
    font-weight: 600;
}

.stat-item .label {
    font-size: 15px;
    opacity: 0.85;
}

/* ============ 客户案例 ============ */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: #fff;
    border: 1px solid var(--ink-100);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.case-image {
    height: 200px;
    background: var(--brand-50);
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-image .industry-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--ink-700);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.case-body {
    padding: 24px;
}

.case-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 8px;
}

.case-body p {
    font-size: 14px;
    color: var(--ink-500);
    margin-bottom: 16px;
    line-height: 1.6;
}

.case-metrics {
    display: flex;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--ink-100);
}

.case-metrics div {
    flex: 1;
}

.case-metrics .metric-num {
    font-size: 20px;
    font-weight: 700;
    color: var(--brand);
    margin-bottom: 2px;
}

.case-metrics .metric-label {
    font-size: 12px;
    color: var(--ink-500);
}

/* ============ Logo 墙 ============ */
.logo-wall {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    background: var(--ink-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--ink-100);
}

.logo-item {
    background: #fff;
    padding: 30px 20px;
    display: grid;
    place-items: center;
    font-weight: 600;
    color: var(--ink-500);
    font-size: 14px;
    transition: all 0.2s;
}

.logo-item:hover {
    color: var(--brand-700);
    background: var(--brand-50);
}

/* ============ CTA 区块 ============ */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2), transparent 70%);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.15), transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-section h2 {
    color: #fff;
    font-size: clamp(28px, 3.5vw, 42px);
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    max-width: 500px;
    line-height: 1.8;
}

.cta-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(10px);
}

.cta-card h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.cta-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
}

.cta-line i {
    width: 20px;
    color: #7dd3fc;
}

.cta-actions {
    margin-top: 24px;
    display: flex;
    gap: 12px;
}

/* ============ 页脚 ============ */
.site-footer {
    background: #0f172a;
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col a,
.footer-col span {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    padding: 6px 0;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: #fff;
}

.footer-brand {
    max-width: 280px;
}

.footer-brand p {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 12px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    display: flex;
    gap: 20px;
}

/* ============ 内页通用 ============ */
.page-hero {
    padding: 70px 0 60px;
    background: linear-gradient(180deg, #fff 0%, #f0f9ff 100%);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: 16px;
}

.page-hero .lead {
    margin: 0 auto;
    text-align: center;
    max-width: 680px;
}

/* ============ 产品详情页 ============ */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.detail-card {
    background: #fff;
    border: 1px solid var(--ink-100);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: all 0.3s;
}

.detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.detail-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 24px;
    margin-bottom: 20px;
    background: var(--brand-50);
    color: var(--brand);
}

.detail-card h2 {
    font-size: 22px;
    margin-bottom: 12px;
}

.detail-card p {
    color: var(--ink-500);
    margin-bottom: 20px;
    font-size: 15px;
}

.detail-card ul {
    list-style: none;
    padding: 0;
}

.detail-card li {
    padding: 8px 0;
    color: var(--ink-700);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-card li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    flex-shrink: 0;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
    .nav-links { display: none; }
    .hero-grid,
    .feature-row,
    .cta-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .feature-row.reverse .feature-text,
    .feature-row.reverse .feature-image {
        order: unset;
    }
    .value-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-grid,
    .case-grid,
    .detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    .logo-wall {
        grid-template-columns: repeat(4, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        width: min(100% - 32px, 1200px);
    }
    .nav {
        height: auto;
        padding: 12px 0;
    }
    .nav-actions .btn-light {
        display: none;
    }
    .hero-section {
        padding: 50px 0 40px;
    }
    h1 {
        font-size: 32px;
    }
    .lead {
        font-size: 15px;
    }
    .section {
        padding: 50px 0;
    }
    .value-grid-4,
    .product-grid,
    .case-grid,
    .detail-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .logo-wall {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    .hero-badge.left {
        left: 10px;
        top: 20px;
    }
    .hero-badge.right {
        right: 10px;
        bottom: 20px;
    }
}