/* ============================================
   HIFUTURE - EV Charging Official Website
   Design System & Core Styles
   Style: Minimalist / Modern / Industrial / Grand
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Dark Industrial */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111623;
    --bg-card: #161c2c;
    --bg-card-hover: #1c2336;
    --bg-light: #f5f7fa;
    --bg-light-secondary: #eef1f6;

    --border: #1f2738;
    --border-light: #2a3349;
    --border-dark: #d1d9e6;

    --text-primary: #ffffff;
    --text-secondary: #a0a8b8;
    --text-muted: #6b7280;
    --text-dark: #0a0e1a;
    --text-dark-secondary: #4a5263;

    --accent: #0066ff;
    --accent-light: #3d8bff;
    --accent-dark: #0052cc;
    --accent-glow: rgba(0, 102, 255, 0.15);

    --green: #00d97e;
    --red: #ff4757;
    --orange: #ffa726;
    --cyan: #00d4ff;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    /* Sizing */
    --header-height: 72px;
    --max-width: 1320px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

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

ul, ol {
    list-style: none;
}

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

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

.section {
    padding: 100px 0;
    position: relative;
}

.section-sm {
    padding: 60px 0;
}

.section-bg-dark {
    background: var(--bg-secondary);
}

.section-bg-card {
    background: var(--bg-card);
}

.section-bg-gradient {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
.h2 { font-size: clamp(2rem, 4vw, 3rem); }
.h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
.h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.text-accent { color: var(--accent); }
.text-cyan { color: var(--cyan); }
.text-green { color: var(--green); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.text-center { text-align: center; }
.text-left { text-align: left; }

.font-mono { font-family: var(--font-mono); }
.font-light { font-weight: 300; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }

/* ===== Section Header ===== */
.section-header {
    margin-bottom: 60px;
}

.section-header .label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-header .label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
}

.section-header h2 {
    font-size: var(--h2-size, clamp(2rem, 4vw, 3rem));
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 640px;
}

.section-header.centered {
    text-align: center;
}

.section-header.centered p {
    margin: 0 auto;
}

.section-header.centered .label {
    justify-content: center;
}

/* ===== Header / Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.site-header.header-light {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-dark);
}

.site-header.header-light .nav-link,
.site-header.header-light .logo-text {
    color: var(--text-dark);
}

.site-header.header-light .nav-link:hover,
.site-header.header-light .logo-text:hover {
    color: var(--accent);
}

.site-header.header-light .nav-toggle span {
    background: var(--text-dark);
}

.nav-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    border-radius: var(--radius-sm);
    color: white;
    font-size: 18px;
    font-weight: 800;
}

.logo-text {
    color: var(--text-primary);
    transition: var(--transition);
}

.logo-text span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.btn-light {
    background: white;
    color: var(--text-dark);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

.btn .icon {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.btn:hover .icon {
    transform: translateX(4px);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 102, 255, 0.12), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 212, 255, 0.08), transparent);
    z-index: 0;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
    padding-top: var(--header-height);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--accent-glow);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 24px;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1875rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.hero-stat .value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.hero-stat .value .unit {
    font-size: 1.25rem;
    color: var(--accent);
    margin-left: 4px;
}

.hero-stat .label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 24px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* ===== Product Card ===== */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.product-card-image {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    position: relative;
    overflow: hidden;
}

.product-card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

.product-card-image img {
    max-height: 240px;
    width: auto;
    object-fit: contain;
    position: relative;
    z-index: 1;
    transition: var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-series {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 8px;
}

.product-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-card-model {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

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

.spec-tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--text-secondary);
}

.product-card-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
}

.product-card-link .icon {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
}

/* ===== Grid Layouts ===== */
.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Stats Section ===== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-item .value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-item .value .unit {
    font-size: 1rem;
    color: var(--accent);
    margin-left: 4px;
}

.stat-item .label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 12px;
}

/* ===== Feature List ===== */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    font-size: 20px;
}

.feature-content h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Tables ===== */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.spec-table th,
.spec-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.spec-table th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.1em;
    background: var(--bg-secondary);
}

.spec-table td {
    color: var(--text-primary);
}

.spec-table tr:hover td {
    background: var(--bg-card-hover);
}

.spec-table .mono {
    font-family: var(--font-mono);
    color: var(--accent-light);
}

/* ===== Filter Tabs ===== */
.filter-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-tab {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
}

.filter-tab:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb .separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--text-primary);
}

/* ===== Page Hero (for inner pages) ===== */
.page-hero {
    padding: calc(var(--header-height) + 80px) 0 60px;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 0%, rgba(0, 102, 255, 0.1), transparent);
}

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

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0, 102, 255, 0.1), transparent);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 80px 0 40px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 16px;
    transition: var(--transition);
}

.footer-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ===== Utility ===== */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }
.mt-8 { margin-top: 64px; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }
.mb-6 { margin-bottom: 48px; }
.mb-8 { margin-bottom: 64px; }

.hidden { display: none !important; }

.bg-gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.divider {
    width: 100%;
    height: 1px;
    background: var(--border);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--accent-glow);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-light);
}

.tag-green {
    background: rgba(0, 217, 126, 0.1);
    border-color: rgba(0, 217, 126, 0.2);
    color: var(--green);
}

.tag-orange {
    background: rgba(255, 167, 38, 0.1);
    border-color: rgba(255, 167, 38, 0.2);
    color: var(--orange);
}
/* ===== Floating Contact ===== */
.floating-contact {
    position: fixed;
    right: 22px;
    bottom: 24px;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.floating-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-width: 138px;
    min-height: 46px;
    padding: 11px 16px;
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    box-shadow: 0 14px 34px rgba(13, 34, 60, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.floating-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px rgba(13, 34, 60, 0.3);
    filter: brightness(1.04);
}

.floating-contact-btn.whatsapp {
    background: #1fae5b;
}

.floating-contact-btn.email {
    background: #1766c2;
}

.floating-contact-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex: 0 0 auto;
}

@media (max-width: 640px) {
    .floating-contact {
        right: 14px;
        bottom: 16px;
    }

    .floating-contact-btn {
        min-width: 46px;
        width: 46px;
        height: 46px;
        padding: 0;
        justify-content: center;
    }

    .floating-contact-btn span {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
    }
}