/* ==========================================================================
   OffsetERP - Modern High-Performance Stylesheet
   Engineered for smooth 60fps scrolling & modern aesthetic excellence
   ========================================================================== */

:root {
    --primary: #2563eb;
    --primary-rgb: 37, 99, 235;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;
    --accent-cyan: #06b6d4;
    --accent-indigo: #4f46e5;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    
    --bg-dark: #090d16;
    --bg-dark-card: #0f172a;
    --bg-dark-border: rgba(255, 255, 255, 0.08);
    --bg-surface: #ffffff;
    --bg-subtle: #f8fafc;
    --bg-slate-100: #f1f5f9;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-card: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
    --shadow-hover: 0 20px 35px -5px rgba(37, 99, 235, 0.12), 0 8px 10px -4px rgba(37, 99, 235, 0.05);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.25);
    --shadow-glow-cyan: 0 0 40px rgba(6, 182, 212, 0.2);
}

/* Custom Utility Helpers */
.fs-7 { font-size: 0.85rem !important; }
.fs-8 { font-size: 0.75rem !important; }
.fs-9 { font-size: 0.68rem !important; }
.letter-spacing-1 { letter-spacing: 0.08em; }

.bg-emerald-subtle { background-color: rgba(16, 185, 129, 0.12) !important; color: #10b981 !important; }
.bg-cyan-subtle { background-color: rgba(6, 182, 212, 0.12) !important; color: #0891b2 !important; }
.bg-indigo-subtle { background-color: rgba(79, 70, 229, 0.12) !important; color: #4f46e5 !important; }
.bg-primary-subtle { background-color: rgba(37, 99, 235, 0.1) !important; color: #2563eb !important; }
.bg-warning-subtle { background-color: rgba(245, 158, 11, 0.12) !important; color: #d97706 !important; }
.bg-danger-subtle { background-color: rgba(244, 63, 94, 0.12) !important; color: #e11d48 !important; }

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

html {
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-subtle);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography & Utilities */
.fw-extrabold { font-weight: 800; }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-medium { font-weight: 500; }

.gradient-text {
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-light {
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.max-w-600 { max-width: 600px; }
.max-w-700 { max-width: 700px; }
.max-w-800 { max-width: 800px; }

/* Navigation Bar */
.navbar-custom {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: background-color 0.25s ease, box-shadow 0.25s ease;
    z-index: 1050;
}

.navbar-custom.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.navbar-brand-badge {
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    font-weight: 700;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.2s ease;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

/* Primary Button Enhancements */
.btn-primary-custom {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    border: none;
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
    will-change: transform;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary-custom:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-primary-custom:active {
    transform: translateY(0);
}

.btn-outline-custom {
    background: transparent;
    color: var(--text-main);
    border: 1px solid #cbd5e1;
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: 999px;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-outline-custom:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: rgba(37, 99, 235, 0.04);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding-top: 5rem;
    padding-bottom: 6rem;
    background: radial-gradient(120% 100% at 50% 0%, rgba(37, 99, 235, 0.08) 0%, rgba(6, 182, 212, 0.04) 50%, rgba(248, 250, 252, 1) 100%);
    overflow: hidden;
}

.hero-glow-bg {
    position: absolute;
    top: -150px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(37, 99, 235, 0) 70%);
    filter: blur(50px);
    pointer-events: none;
    z-index: 0;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    border: 1px solid rgba(37, 99, 235, 0.2);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Interactive Offset Dashboard Mockup */
.mockup-window {
    background: #0f172a;
    border-radius: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.35), 0 0 40px rgba(37, 99, 235, 0.15);
    overflow: hidden;
    position: relative;
    color: #ffffff;
}

.hero-image-window {
    background: #ffffff;
    border-radius: 1.25rem;
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.18), 0 0 35px rgba(37, 99, 235, 0.12);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.hero-image-window:hover {
    transform: translateY(-5px);
    box-shadow: 0 32px 70px -12px rgba(15, 23, 42, 0.25), 0 0 45px rgba(37, 99, 235, 0.2);
}

.hero-image-window .mockup-header {
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-image-wrapper {
    background: #ffffff;
    overflow: hidden;
    line-height: 0;
    position: relative;
}

.hero-dashboard-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.hero-image-window:hover .hero-dashboard-img {
    transform: scale(1.015);
}

.mockup-header {
    background: #090d16;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.mockup-title {
    font-size: 0.75rem;
    color: #94a3b8;
    font-family: monospace;
}

.mockup-content {
    padding: 1.25rem;
}

.mockup-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.mockup-stat-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0.75rem;
    padding: 0.75rem;
}

.stat-label {
    font-size: 0.7rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-val {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 2px;
}

.stat-sub {
    font-size: 0.68rem;
    display: flex;
    align-items: center;
    gap: 3px;
}

.text-emerald { color: #10b981; }
.text-cyan { color: #38bdf8; }
.text-amber { color: #f59e0b; }

.mockup-job-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    padding: 0.85rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.mockup-job-card:hover, .mockup-job-card.active {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.5);
}

.progress-thin {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar-cyan {
    background: linear-gradient(90deg, #06b6d4, #3b82f6);
}

.progress-bar-emerald {
    background: linear-gradient(90deg, #10b981, #059669);
}

/* Floating Badges */
.floating-kpi-badge {
    position: absolute;
    background: #ffffff;
    color: var(--text-main);
    padding: 0.6rem 1rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    border: 1px solid #e2e8f8;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 2;
    animation: floatAnim 4s ease-in-out infinite;
}

.floating-kpi-badge.bottom-left {
    bottom: -15px;
    left: -15px;
    animation-delay: 0s;
}

.floating-kpi-badge.top-right {
    top: -15px;
    right: -15px;
    animation-delay: 2s;
}

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

/* Trusted Stats Strip */
.stats-strip {
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    padding: 2.5rem 0;
}

.stat-counter-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.stat-counter-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Section Header */
.section-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

/* Interactive Workflow Visualizer */
.workflow-step-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
    padding: 1.75rem;
    position: relative;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
    will-change: transform;
    height: 100%;
}

.workflow-step-card:hover, .workflow-step-card.active {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.workflow-step-card.active {
    background: linear-gradient(180deg, #ffffff 0%, rgba(37, 99, 235, 0.02) 100%);
    border-width: 2px;
}

.step-num-badge {
    width: 32px;
    height: 32px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.workflow-icon {
    width: 52px;
    height: 52px;
    border-radius: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.icon-blue { background: rgba(37, 99, 235, 0.1); color: var(--primary); }
.icon-cyan { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }
.icon-emerald { background: rgba(16, 185, 129, 0.1); color: var(--accent-emerald); }
.icon-amber { background: rgba(245, 158, 11, 0.1); color: var(--accent-amber); }
.icon-indigo { background: rgba(79, 70, 229, 0.1); color: var(--accent-indigo); }
.icon-rose { background: rgba(244, 63, 94, 0.1); color: var(--accent-rose); }

/* Feature / Module Showcase Cards */
.feature-card-modern {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
    padding: 2rem;
    height: 100%;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.25s ease;
    will-change: transform;
}

.feature-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: rgba(37, 99, 235, 0.3);
}

.feature-pill-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: var(--text-muted);
    font-weight: 600;
}

/* Module Tabs Section */
.module-tab-btn {
    background: transparent;
    border: 1px solid #cbd5e1;
    color: var(--text-muted);
    font-weight: 600;
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.module-tab-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.module-tab-btn.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.module-preview-box {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
}

.feature-checklist {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.feature-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
    color: var(--text-main);
}

.feature-checklist li i {
    color: var(--accent-emerald);
    font-size: 1.15rem;
    margin-top: 1px;
}

/* Interactive ROI Calculator */
.calculator-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 3rem 2.5rem;
    color: #ffffff;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.calc-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: #334155;
    outline: none;
    transition: background 0.2s;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.8);
    border: 2px solid #ffffff;
    transition: transform 0.15s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.calc-savings-display {
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.35);
    border-radius: 1.25rem;
    padding: 2rem;
    text-align: center;
}

.savings-amount {
    font-size: 2.75rem;
    font-weight: 800;
    color: #38bdf8;
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

/* Testimonial & Social Proof */
.testimonial-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
    padding: 2rem;
    height: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.star-rating {
    color: #f59e0b;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.avatar-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    font-size: 1rem;
}

/* FAQ Accordion */
.accordion-custom .accordion-item {
    border: 1px solid #e2e8f0;
    border-radius: 1rem !important;
    margin-bottom: 1rem;
    overflow: hidden;
    background: #ffffff;
}

.accordion-custom .accordion-button {
    font-weight: 700;
    color: var(--text-main);
    background: #ffffff;
    padding: 1.25rem 1.5rem;
    border: none;
    box-shadow: none !important;
}

.accordion-custom .accordion-button:not(.collapsed) {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.03);
}

.accordion-custom .accordion-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-muted);
}

/* Demo Request Form */
.contact-card-modern {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: var(--shadow-card);
}

.form-control-custom, .form-select-custom {
    border: 1.5px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 0.8rem 1.1rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: #f8fafc;
    color: var(--text-main);
}

.form-control-custom:focus, .form-select-custom:focus {
    background-color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    outline: none;
}

/* Toast Feedback Notification */
.toast-container-custom {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
}

.toast-modern {
    background: #0f172a;
    color: #ffffff;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
    will-change: transform, opacity;
}

.toast-modern.show {
    transform: translateY(0);
    opacity: 1;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

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

.back-to-top:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* Modern Footer */
.footer-dark {
    background: #090d16;
    color: #94a3b8;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
    font-size: 0.9rem;
}

.footer-link:hover {
    color: #ffffff;
}

.social-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.social-icon-btn:hover {
    background: var(--primary);
    color: #ffffff;
}

/* WhatsApp Floating Widget & Button Styles */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #ffffff;
    border-radius: 50%;
    font-size: 32px;
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.4);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.whatsapp-float:hover {
    color: #ffffff;
    background-color: #20ba59;
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.55);
}

.whatsapp-float-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25D366;
    opacity: 0.6;
    animation: whatsappPulse 2s infinite ease-out;
    z-index: -1;
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    background: #0f172a;
    color: #ffffff;
    padding: 7px 15px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    gap: 8px;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent #0f172a;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.btn-whatsapp-nav {
    background-color: rgba(37, 211, 102, 0.12);
    color: #15803d;
    border: 1px solid rgba(37, 211, 102, 0.35);
    font-weight: 600;
    border-radius: 10px;
    padding: 0.55rem 1.1rem;
    font-size: 0.9rem;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-whatsapp-nav:hover {
    background-color: #25D366;
    color: #ffffff;
    border-color: #25D366;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
    transform: translateY(-1px);
}

.btn-whatsapp-cta {
    background-color: #25D366;
    color: #ffffff;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.4rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: all 0.25s ease;
}

.btn-whatsapp-cta:hover {
    background-color: #20ba59;
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
    transform: translateY(-2px);
}

.social-icon-btn.whatsapp-social:hover {
    background: #25D366;
    border-color: #25D366;
    color: #ffffff;
}

/* Responsive Tweaks */
@media (max-width: 991.98px) {
    .hero-section {
        padding-top: 3rem;
        padding-bottom: 4rem;
    }
    
    .mockup-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .floating-kpi-badge {
        display: none;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .contact-card-modern, .calculator-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .whatsapp-float {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 52px;
        height: 52px;
        font-size: 28px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}