/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: #0f172a;
    background-color: #ffffff;
    line-height: 1.5;
}

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

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

ul {
    list-style: none;
}

/* UTILS */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.max-w-4xl { max-width: 896px; margin-left: auto; margin-right: auto; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.mb-16 { margin-bottom: 64px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.items-center { align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.font-bold { font-weight: 700; }
.italic { font-style: italic; }
.text-blue { color: #2563eb; }
.text-blue-light { color: #bfdbfe; }
.text-white { color: #ffffff; }
.text-gray { color: #4b5563; }
.text-gray-light { color: #d1d5db; }
.text-small { font-size: 14px; }
.text-tiny { font-size: 12px; }
.bg-white { background-color: #ffffff; }
.bg-gray-light { background-color: #f9fafb; }
.bg-blue-light { background-color: #eff6ff; }
.bg-dark { background-color: #0f172a; }
.shadow { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.img-rounded { border-radius: 24px; }
.full-width { width: 100%; }
.aspect-4-5 { aspect-ratio: 4/5; object-fit: cover; }

/* TYPOGRAPHY */
.h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 32px;
}

.h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.p {
    font-size: 18px;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .h1 { font-size: 60px; }
    .h2 { font-size: 40px; }
}

/* BUTTONS */
.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #10b981;
    color: #ffffff;
    font-weight: 700;
    padding: 16px 32px;
    border-radius: 9999px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-cta:hover {
    background-color: #059669;
    transform: scale(1.05);
}

.btn-blue { background-color: #2563eb; }
.btn-blue:hover { background-color: #1d4ed8; }

.btn-large {
    font-size: 24px;
    padding: 24px 48px;
}

/* HEADER */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #f1f5f9;
    padding: 16px 0;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    color: #2563eb;
}

.btn-header {
    background-color: #2563eb;
    color: #ffffff;
    padding: 8px 24px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 14px;
}

.nav-mobile-icon { display: none; }

@media (max-width: 767px) {
    .nav-desktop { display: none; }
    .nav-mobile-icon { display: flex; }
}

/* WHATSAPP FLOAT */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.whatsapp-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: #10b981;
    color: #ffffff;
    border-radius: 50%;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    animation: pulse-soft 2s infinite ease-in-out;
}

@keyframes pulse-soft {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* HERO */
.hero {
    padding: 80px 0;
    background: linear-gradient(to bottom right, #eff6ff, #ffffff);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-grid { grid-template-columns: 1fr 1fr; }
}

.badge {
    display: inline-block;
    padding: 4px 16px;
    background-color: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-image { position: relative; }

.hero-floating-card {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background-color: #ffffff;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

@media (max-width: 1023px) {
    .hero-floating-card { display: none; }
}

.card-inner { display: flex; align-items: center; gap: 16px; }

.icon-circle {
    background-color: rgba(16, 185, 129, 0.2);
    padding: 12px;
    border-radius: 50%;
}

/* SECTIONS */
.section { padding: 80px 0; }

.pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: left;
    margin-bottom: 48px;
}

@media (min-width: 640px) {
    .pain-grid { grid-template-columns: 1fr 1fr; }
}

.pain-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background-color: #f9fafb;
    border-radius: 12px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card-dark {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 600;
    color: #374151;
}

.dot {
    width: 8px;
    height: 8px;
    background-color: #2563eb;
    border-radius: 50%;
}

.image-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.testimonial-card {
    background-color: #f9fafb;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    border: 1px solid #f1f5f9;
}

.stars {
    color: #facc15;
    font-size: 20px;
    margin-bottom: 16px;
}

@media (max-width: 767px) {
    .order-1-mobile { order: 1; }
    .order-2-mobile { order: 2; }
}

.feature-card {
    padding: 24px;
    background-color: #f9fafb;
    border-radius: 16px;
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: transform 0.3s ease;
}

.feature-card:hover { transform: translateY(-5px); }

.icon-box {
    display: inline-flex;
    padding: 12px;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    margin-bottom: 16px;
}

/* FINAL CTA */
.final-cta {
    padding: 96px 0;
    background-color: #2563eb;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.pulse-container {
    animation: pulse-soft 2s infinite ease-in-out;
}

/* FOOTER */
.footer {
    background-color: #0f172a;
    color: #ffffff;
    padding: 48px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

.footer-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #10b981;
    font-weight: 700;
    font-size: 18px;
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    color: #94a3b8;
}

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

.footer-bottom {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: #4b5563;
    font-size: 12px;
}

.invert { filter: brightness(0) invert(1); }