/* ========================================
   甘肃铭智网络科技有限公司 企业官网
   设计理念：简约大气、科技现代
   ======================================== */

/* --- CSS Variables --- */
:root {
    --primary: #1a56db;
    --primary-dark: #1040b0;
    --primary-light: #3b82f6;
    --primary-bg: rgba(26, 86, 219, 0.06);
    --secondary: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --heading: #0f172a;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1200px;
    --header-h: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

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

ul {
    list-style: none;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
}

.btn i {
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(3px);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(26, 86, 219, 0.45);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
}

.btn-white {
    background: #fff;
    color: var(--primary);
}

.btn-white:hover {
    background: #f1f5f9;
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--heading);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-title .dot {
    color: var(--primary);
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    height: 48px;
}

.logo-name {
    font-size: 29px;
    font-weight: 900;
    color: var(--heading);
    letter-spacing: -0.5px;
    line-height: 1.15;
    white-space: nowrap;
}

.logo-sub {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1.2px;
    line-height: 1.1;
    white-space: nowrap;
    margin-top: 1px;
}

/* Nav */
.nav-list {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

/* Header Contact */
.header-contact {
    display: flex;
    align-items: center;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    padding: 8px 16px;
    background: var(--primary-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.header-phone:hover {
    background: var(--primary);
    color: #fff;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--heading);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    overflow: hidden;
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    opacity: 0.6;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--primary-bg);
    border: 1px solid rgba(26, 86, 219, 0.15);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease forwards;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    color: var(--heading);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 520px;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    gap: 48px;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--heading);
    line-height: 1;
}

.stat-suffix {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-left: 8px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 500px;
}

.hero-orb {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), rgba(26, 86, 219, 0.05), transparent);
    border-radius: 50%;
    position: absolute;
    animation: orbFloat 6s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.hero-card {
    position: absolute;
    background: #fff;
    border-radius: var(--radius);
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 15px;
    color: var(--heading);
    transition: var(--transition);
    animation: cardFloat 4s ease-in-out infinite;
}

.hero-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: var(--shadow-xl);
}

.hero-card i {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
}

.hero-card-1 { top: 8%; right: 10%; animation-delay: 0s; }
.hero-card-1 i { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }

.hero-card-2 { top: 30%; left: 5%; animation-delay: 1s; }
.hero-card-2 i { background: linear-gradient(135deg, #10b981, #059669); }

.hero-card-3 { bottom: 30%; right: 5%; animation-delay: 2s; }
.hero-card-3 i { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }

.hero-card-4 { bottom: 8%; left: 15%; animation-delay: 3s; }
.hero-card-4 i { background: linear-gradient(135deg, #f59e0b, #d97706); }

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 120px 0;
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--primary);
    border: 2px dashed var(--border);
    transition: var(--transition);
}

.about-img-placeholder i {
    font-size: 64px;
    opacity: 0.6;
}

.about-img-placeholder span {
    font-size: 18px;
    font-weight: 700;
    opacity: 0.8;
}

.about-experience {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: #fff;
    padding: 20px 28px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    display: block;
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}

.exp-label {
    font-size: 13px;
    opacity: 0.9;
    margin-top: 4px;
    display: block;
}

.about-content h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--heading);
    margin-bottom: 20px;
}

.about-content > p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 36px;
}

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

.value-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.value-item:hover {
    border-color: rgba(26, 86, 219, 0.2);
    box-shadow: var(--shadow);
    transform: translateX(4px);
}

.value-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
}

.value-info h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 4px;
}

.value-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: 120px 0;
    background: var(--bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    border-color: rgba(26, 86, 219, 0.2);
    background: linear-gradient(180deg, #fafbff 0%, #ffffff 100%);
}

.featured-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 100px;
}

.service-icon-wrapper {
    width: 56px;
    height: 56px;
    background: var(--primary-bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
    background: var(--primary);
}

.service-card:hover .service-icon-wrapper i {
    color: #fff;
}

.service-icon-wrapper i {
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 12px;
}

.service-card > p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li i {
    color: var(--primary);
    font-size: 12px;
}

/* ========================================
   CTA Banner
   ======================================== */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--secondary), #1e3a5f);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.08), transparent 50%);
}

.cta-banner .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 120px 0;
    background: var(--bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 16px;
}

.contact-intro {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
}

.contact-text h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 4px;
}

.contact-text a,
.contact-text span {
    font-size: 15px;
    color: var(--text-light);
    transition: var(--transition);
}

.contact-text a:hover {
    color: var(--primary);
}

.contact-qrcode {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.qrcode-img {
    width: 104px;
    height: 104px;
    min-width: 104px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    object-fit: cover;
}

.contact-qrcode p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--heading);
}

.form-group label span {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--secondary);
    color: rgba(255,255,255,0.8);
    padding: 64px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .footer-logo {
    margin-bottom: 16px;
}

.footer-logo-box {
    background: #fff;
    padding: 7px 12px;
    border-radius: 10px;
    display: flex;
    align-items: center;
}

.footer-logo-img {
    height: 30px;
    width: auto;
    display: block;
}

.footer-slogan {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.footer-brand .logo-name {
    color: #fff;
}

.footer-brand .logo-sub {
    color: rgba(255,255,255,0.5);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-contact li {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact li i {
    width: 16px;
    color: rgba(255,255,255,0.3);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a {
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: rgba(255,255,255,0.8);
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   Toast
   ======================================== */
.toast {
    position: fixed;
    bottom: 96px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--secondary);
    color: #fff;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    z-index: 2000;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    box-shadow: var(--shadow-xl);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    background: #059669;
}

.toast.error {
    background: #dc2626;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        display: none;
    }

    .hero-content {
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-desc {
        margin: 0 auto 36px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .logo-img {
        height: 40px;
    }

    .logo-text {
        height: 40px;
    }

    .logo-name {
        font-size: 23px;
    }

    .logo-sub {
        font-size: 9.5px;
    }

    .header-phone span {
        display: none;
    }

    .header-phone {
        padding: 8px;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        padding: 100px 32px 32px;
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
        transition: var(--transition);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 8px;
    }

    .nav-link {
        font-size: 17px;
        padding: 12px 16px;
    }

    .hero-stats {
        gap: 32px;
    }

    .stat-number {
        font-size: 28px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-banner .container {
        flex-direction: column;
        text-align: center;
    }

    .footer-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 20px;
    }
}