:root {
    --primary: #EF4444;
    --gold: #C5A059;
    --dark: #111827;
    --light: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-600: #4b5563;
    --radius-lg: 20px;
    --radius-md: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --nav-height: 60px;
    --cta-height: 80px;
}

/* Mobile-First Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.5;
    padding-bottom: var(--cta-height); /* Space for sticky CTA */
}

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    line-height: 1.2;
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.75rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p { color: var(--gray-600); font-size: 1rem; margin-bottom: 1rem; }

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

.highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 6px;
    background: rgba(239, 68, 68, 0.1);
    z-index: -1;
}

/* Navigation */
.navbar {
    height: var(--nav-height);
    padding: 0 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 800;
    font-size: 1.25rem;
}

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

/* Layout Sections */
section {
    padding: 3rem 1.25rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

/* Hero Section */
.hero {
    padding-top: 2rem;
    text-align: center;
}

.hero p {
    font-size: 1.125rem;
    padding: 0 0.5rem;
}

.hero-image {
    margin-top: 2rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

/* Cards & Grid */
.grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: transform 0.2s;
}

.card-icon {
    width: 44px;
    height: 44px;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Accordion */
.accordion {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
}

.accordion-header {
    padding: 1rem 1.25rem;
    background: var(--light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    min-height: 56px; /* Thumb friendly */
}

.accordion-title {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.accordion-content {
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    display: none;
}

.accordion.active .accordion-content {
    display: block;
}

.accordion.active .chevron {
    transform: rotate(180deg);
}

.chevron {
    transition: transform 0.3s;
    width: 20px;
    height: 20px;
}

/* Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input {
    width: 100%;
    height: 56px; /* Tap target */
    padding: 0 1rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 56px; /* Standard Tap Target */
    padding: 0 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    width: 100%; /* Mobile full width */
    font-size: 1.1rem;
}

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

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--dark);
}

/* Animations */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.pulse {
    animation: pulse 2s infinite;
}

.slide-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease-out;
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Staggered Delay Utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay:0.3s; }

/* Sticky Bottom CTA Refined */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border-top: 1px solid var(--gray-200);
    z-index: 1000;
    display: flex;
    gap: 0.75rem;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.05);
}

.sticky-cta .btn {
    animation: pulse 2.5s infinite;
}

/* Floating Support Button */
.float-support {
    position: fixed;
    bottom: calc(var(--cta-height) + 10px);
    right: 1.25rem;
    width: 50px;
    height: 50px;
    background-color: #25D366; /* WhatsApp Green */
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 999;
    text-decoration: none;
    transition: transform 0.2s;
}

.float-support:active {
    transform: scale(0.9);
}

/* Desktop Scale Up */
@media (min-width: 768px) {
    section { padding: 5rem 10%; }
    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .sticky-cta {
        display: none; /* Hide on desktop */
    }
    .hero {
        display: flex;
        align-items: center;
        text-align: left;
        gap: 4rem;
    }
    .hero-image { flex: 1; margin-top: 0; }
    .hero-content { flex: 1.2; }
    .hero p { padding: 0; }
    .btn { width: auto; min-width: 200px; }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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

/* Calculator Section */
.calculator-card {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
}

.calc-sliders {
    margin: 2rem 0;
}

.slider-group {
    margin-bottom: 2rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.slider-header span { color: var(--primary); }

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.calc-result {
    text-align: center;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px dashed var(--primary);
}

.calc-result h4 {
    font-size: 0.9rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.calc-result .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 0.5rem 0;
}

/* Comparison Table */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.comp-box {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.comp-old { background: #fdf2f2; border: 1px solid #fee2e2; }
.comp-rizarv { background: #f0fdf4; border: 1px solid #dcfce7; }

.comp-box h4 { margin-bottom: 1rem; display: flex; align-items: center; gap: 8px; }
.comp-list { list-style: none; }
.comp-list li { margin-bottom: 10px; display: flex; gap: 8px; }

/* Testimonials */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--gold);
}

.test-header { display: flex; align-items: center; gap: 15px; margin-bottom: 1rem; }
.test-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--gray-100); }
.test-info h4 { font-size: 1rem; margin-bottom: 2px; }
.test-info span { font-size: 0.8rem; color: var(--gray-600); }

/* Mini Demo Animation */
.mini-demo-phone {
    width: 200px;
    height: 400px;
    background: #000;
    margin: 2rem auto;
    border-radius: 30px;
    border: 6px solid #333;
    position: relative;
    overflow: hidden;
}

.demo-screen {
    width: 100%;
    height: 100%;
    background: white;
    padding: 15px;
    position: relative;
}

.demo-notif {
    position: absolute;
    top: -100px;
    left: 10px;
    right: 10px;
    background: var(--light);
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary);
    animation: dropNotif 5s infinite ease-in-out;
}

@keyframes dropNotif {
    0%, 10% { top: -100px; }
    20%, 80% { top: 20px; }
    90%, 100% { top: -100px; }
}

/* FAQ Styles */
.faq-section { padding-bottom: 5rem; }