/* ========================================
   百穗园企业官网 - 样式表
   设计风格: Organic Biophilic (有机自然)
   主色调: #15803D (深绿) / #22C55E (亮绿) / #CA8A04 (金色)
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #15803D;
    --primary-light: #22C55E;
    --primary-dark: #14532D;
    --secondary: #22C55E;
    --accent: #CA8A04;
    --accent-light: #FEF3C7;
    --bg-primary: #F0FDF4;
    --bg-white: #FFFFFF;
    --bg-gray: #F8FAFC;
    --text-primary: #14532D;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.15);
    
    /* Typography - 使用系统字体栈 */
    --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --section-padding: 6rem;
    --container-max-width: 1280px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow);
}

.btn-white:hover {
    background: var(--bg-gray);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 0.75rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-light);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-toggle {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.mobile-toggle .close-icon {
    display: none;
}

.mobile-toggle.active .menu-icon {
    display: none;
}

.mobile-toggle.active .close-icon {
    display: block;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-white) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.organic-shape {
    position: absolute;
    opacity: 0.1;
}

.shape-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(10deg); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.badge-icon {
    width: 1rem;
    height: 1rem;
    color: var(--accent);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.text-gradient {
    display: block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

/* Hero Image */
.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    padding: 2rem;
}

.hero-illustration {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
}

.hero-illustration svg {
    width: 100%;
    height: auto;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float-card 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    right: -5%;
    animation-delay: 3s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius);
    color: var(--primary);
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-value {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Partners Section */
.partners {
    padding: 3rem 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.partners-title {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.partners-slider {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.partners-track {
    display: flex;
    gap: 3rem;
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    color: var(--text-muted);
    font-weight: 500;
}

.partner-item svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* Section Common Styles */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--bg-primary);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Solutions Section */
.solutions {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--bg-gray);
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    background: var(--bg-primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--bg-primary);
    border-color: var(--primary);
    color: var(--primary);
}

.tab-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fade-in 0.5s ease;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.solution-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--bg-gray);
    border-radius: var(--radius-xl);
    padding: 3rem;
}

.solution-image {
    display: flex;
    justify-content: center;
}

.solution-icon-wrapper {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.solution-icon-wrapper.technician {
    background: linear-gradient(135deg, #0891B2 0%, #22D3EE 100%);
}

.solution-icon-wrapper.enterprise {
    background: linear-gradient(135deg, #7C3AED 0%, #A78BFA 100%);
}

.solution-icon {
    width: 80px;
    height: 80px;
    color: white;
}

.solution-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.solution-info p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.list-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

/* Features Section */
.features {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-fast);
}

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

.feature-icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.feature-icon {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--primary);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* About Section */
.about {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 1rem;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 2rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.value-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius);
    color: var(--primary);
}

.value-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.value-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.value-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.about-image {
    position: relative;
}

.image-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-xl);
    height: 400px;
    position: relative;
    overflow: hidden;
}

.image-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.experience-badge {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.exp-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* CTA Section */
.cta {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Contact Section */
.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.contact .section-header {
    margin-bottom: 3rem;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-gray);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    width: 100%;
    box-sizing: border-box;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: white;
    transition: border-color var(--transition-fast);
    width: 100%;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Custom Select */
.custom-select {
    position: relative;
    width: 100%;
}

.custom-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    background: white;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    min-height: 48px;
}

.custom-select-trigger:hover {
    border-color: var(--primary-light);
}

.custom-select.open .custom-select-trigger {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.custom-select-placeholder {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.custom-select-value {
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.custom-select-arrow {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.custom-select.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
    overflow: hidden;
}

.custom-select.open .custom-select-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-select-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.custom-select-option:hover {
    background: var(--bg-primary);
}

.custom-select-option.selected {
    background: var(--bg-primary);
    color: var(--primary);
    font-weight: 500;
}

.custom-select-option .option-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--text-primary);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-brand .logo-icon {
    color: var(--primary-light);
}

.footer-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: white;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.social-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: white;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

.legal-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.legal-links a:hover {
    color: white;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateX(150%);
    transition: transform var(--transition);
    z-index: 9999;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background: var(--primary);
}

.toast-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 640px;
        margin: 0 auto;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .floating-card {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content .section-title {
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .image-card {
        height: 300px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
    }
    
    .contact-form-container {
        padding: 1.25rem;
        max-width: 100%;
    }
    
    .contact-form {
        gap: 1rem;
    }
    
    .form-row {
        gap: 1rem;
    }
    
    .nav-menu,
    .nav-actions {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1.5rem;
        box-shadow: var(--shadow-lg);
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .solution-card {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 1.5rem;
    }
    
    .footer-brand {
        flex: 1 1 100%;
        text-align: center;
    }
    
    .footer-brand .footer-desc {
        max-width: 100%;
    }
    
    .footer-links {
        flex: 1 1 auto;
        text-align: center;
    }
    
    .footer-links ul {
        align-items: center;
    }
    
    .footer-title {
        font-size: clamp(0.875rem, 3vw, 1rem);
    }
    
    .footer-links a {
        font-size: clamp(0.8125rem, 2.5vw, 0.9375rem);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .solutions-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .solution-icon-wrapper {
        width: 150px;
        height: 150px;
    }
    
    .solution-icon {
        width: 60px;
        height: 60px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .footer-grid {
        gap: 1rem;
    }
    
    .footer-links {
        flex: 1 1 30%;
        min-width: 80px;
    }
    
    .footer-title {
        font-size: clamp(0.75rem, 3.5vw, 0.875rem);
        margin-bottom: 0.75rem;
    }
    
    .footer-links ul {
        gap: 0.5rem;
    }
    
    .footer-links a {
        font-size: clamp(0.6875rem, 3vw, 0.8125rem);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-bg,
    .hero-image,
    .cta,
    .contact-form-container,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    body {
        color: black;
        background: white;
    }
}