:root {
    --primary: #25D366; /* WhatsApp Green */
    --primary-dark: #1da851;
    --text-dark: #1f2937;
    --text-gray: #4b5563;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --border: #e5e7eb;
    --font: 'Outfit', sans-serif;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font);
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Layout Helpers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-pad { padding: 80px 0; }
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }

/* Grid Systems */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.grid-5 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-dark);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.btn.block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Navbar */
.navbar {
    padding: 24px 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.logo span { color: var(--primary); }
.navbar nav a {
    margin-left: 24px;
    font-weight: 500;
    color: var(--text-gray);
    transition: color 0.2s;
}
.navbar nav a:hover { color: var(--primary); }

/* Typography */
.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 48px;
    text-align: center;
    letter-spacing: -1px;
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    overflow: hidden;
}
.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
}
.hero-text { flex: 1; }
.hero-text h1 {
    font-size: 56px;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -2px;
}
.highlight { color: var(--primary); }
.hero-text p {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
}
.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-form {
    display: flex;
    gap: 12px;
}
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.input-wrapper i {
    position: absolute;
    left: 16px;
    color: var(--primary);
    font-size: 20px;
}
.input-wrapper input {
    padding: 14px 16px 14px 44px;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 16px;
    width: 300px;
    outline: none;
    transition: border-color 0.3s;
}
.input-wrapper input:focus { border-color: var(--primary); }

.social-proof-banner {
    display: flex;
    align-items: center;
    gap: 16px;
}
.avatars {
    display: flex;
}
.avatars img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--white);
    margin-left: -12px;
}
.avatars img:first-child { margin-left: 0; }
.social-proof-banner span {
    font-size: 14px;
    color: var(--text-gray);
}

/* Hero Visual - Phone Mockup */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}
.phone-mockup {
    width: 320px;
    height: 640px;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    position: relative;
    transform: rotate(2deg);
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(2deg); }
    50% { transform: translateY(-15px) rotate(0deg); }
}
.phone-screen {
    background: #e5ddd5; /* WA Chat bg */
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.chat-header {
    background: #075e54;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}
.chat-avatar {
    width: 40px;
    height: 40px;
    background: #128c7e;
    border-radius: 50%;
}
.chat-info strong { display: block; font-size: 16px; }
.chat-info span { font-size: 12px; opacity: 0.8; }
.chat-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.message {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    max-width: 85%;
    position: relative;
}
.message.sent {
    background: #dcf8c6;
    align-self: flex-end;
    border-top-right-radius: 0;
}
.message.received {
    background: white;
    align-self: flex-start;
    border-top-left-radius: 0;
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s ease;
}
.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

/* Features */
.feature-card .icon-box {
    width: 56px;
    height: 56px;
    background: #dcf8c6;
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 24px;
}
.feature-card h3 { font-size: 20px; margin-bottom: 12px; }
.feature-card p { color: var(--text-gray); }

/* Who it's for */
.who-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.who-item i {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 16px;
}
.who-item h4 { font-size: 18px; margin-bottom: 8px; }
.who-item p { font-size: 14px; color: var(--text-gray); }

/* Testimonials */
.test-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.quote {
    font-size: 18px;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 24px;
}
.author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}
.author strong { display: block; }
.author span { font-size: 14px; color: var(--text-gray); }

/* Pricing */
.price-card {
    position: relative;
    display: flex;
    flex-direction: column;
}
.price-card.popular {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}
.price-card.popular:hover { transform: scale(1.05) translateY(-4px); }
.badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.price-card h3 { font-size: 20px; margin-bottom: 16px; }
.price {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
}
.price span { font-size: 16px; color: var(--text-gray); font-weight: 400; }
.price-card ul {
    margin-bottom: 32px;
    flex: 1;
}
.price-card ul li {
    margin-bottom: 12px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 8px;
}
.price-card ul li i { color: var(--primary); }

/* FAQ */
.faq-container { max-width: 800px; }
.faq-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item h4 { font-size: 20px; margin-bottom: 8px; }
.faq-item p { color: var(--text-gray); }

/* Bottom CTA */
.centered-form {
    justify-content: center;
    margin: 32px 0 16px;
}
.microcopy { font-size: 14px; color: var(--text-gray); }

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border);
    color: var(--text-gray);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container { flex-direction: column; text-align: center; }
    .hero-form, .centered-form { flex-direction: column; align-items: stretch; }
    .input-wrapper input { width: 100%; }
    .social-proof-banner { justify-content: center; margin-top: 24px; }
    .price-card.popular { transform: scale(1); }
    .price-card.popular:hover { transform: scale(1) translateY(-4px); }
    .hero-text h1 { font-size: 40px; }
}
@media (max-width: 768px) {
    .navbar nav { display: none; } /* Simplified for mobile */
    .section-pad { padding: 48px 0; }
}