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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-weight: 700;
}

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

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

/* UTILS */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 5rem 0;
}

.section-white { background-color: #ffffff; }
.section-gray { background-color: #f9f9f9; }
.section-black { background-color: #000000; color: #ffffff; }
.section-gold { background-color: #C8A96A; }

.text-gold { color: #C8A96A; }
.center { text-align: center; }
.mt-12 { margin-top: 3rem; }
.mt-10 { margin-top: 2.5rem; }

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #f0f0f0;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 48px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

/* HERO */
.hero {
    position: relative;
    padding: 8rem 0;
    background-color: #000000;
    color: #ffffff;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f?auto=format&fit=crop&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

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

.hero-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cccccc;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* BUTTONS */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: #C8A96A;
    color: #000000;
    padding: 1rem 1.5rem;
    border-radius: 9999px;
    font-weight: 700;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.btn-whatsapp:hover {
    transform: scale(1.05);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1.25rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

.btn-black {
    background-color: #000000;
    color: #C8A96A;
}

/* SECTIONS */
.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.section-title.left { text-align: left; }
.section-title.light { color: #ffffff; }

.section-desc {
    font-size: 1.125rem;
    color: #666666;
    margin-bottom: 2.5rem;
    text-align: center;
}

/* PAIN GRID */
.pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.pain-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 0.5rem;
    border-left: 4px solid #C8A96A;
}

.icon-gold { color: #C8A96A; }

/* SOLUTIONS GRID */
.solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    border: 1px solid #f0f0f0;
    transition: transform 0.3s ease;
}

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

.card h3 {
    margin-bottom: 0.75rem;
    color: #000000;
}

.card p {
    color: #666666;
}

/* METHOD */
.method-flex {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.method-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.method-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(200, 169, 106, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #C8A96A;
}

.method-box {
    background-color: #000000;
    color: #ffffff;
    padding: 2rem;
    border-radius: 1.5rem;
}

.box-title {
    color: #C8A96A;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.box-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.box-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.box-list svg {
    color: #C8A96A;
}

/* TESTIMONIALS */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.stars {
    color: #C8A96A;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 700;
}

/* ABOUT */
.about-flex {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.about-img {
    border-radius: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.about-text p {
    color: #666666;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

/* DIFFERENTIALS */
.diff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.diff-card {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
}

.diff-card h3 {
    color: #C8A96A;
    margin-bottom: 0.5rem;
}

.diff-card p {
    color: #aaaaaa;
}

/* CTA FINAL */
.cta-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.8;
}

/* FOOTER */
.footer {
    background-color: #000000;
    color: #ffffff;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 64px;
    margin-bottom: 1.5rem;
}

.footer-title {
    color: #C8A96A;
    margin-bottom: 1.5rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #aaaaaa;
    margin-bottom: 1rem;
}

.footer-link:hover {
    color: #C8A96A;
}

.footer-bottom {
    text-align: center;
    color: #666666;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
}

/* ANIMATIONS */
.whatsapp-pulse {
    animation: pulse 2s infinite;
}

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

/* FLOAT */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 64px;
    height: 64px;
    background-color: #25D366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 15px rgba(0,0,0,0.2);
    z-index: 2000;
}

/* RESPONSIVE */
@media (min-width: 768px) {
    .hero-title { font-size: 4rem; }
    .pain-grid { grid-template-columns: 1fr 1fr; }
    .solutions-grid { grid-template-columns: 1fr 1fr; }
    .method-flex { flex-direction: row; align-items: center; }
    .method-text { flex: 1; }
    .method-box { flex: 1; }
    .testimonials-grid { grid-template-columns: 1fr 1fr 1fr; }
    .about-flex { flex-direction: row; }
    .about-img-area { flex: 1; }
    .about-text { flex: 1; }
    .diff-grid { grid-template-columns: 1fr 1fr 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (min-width: 1024px) {
    .solutions-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 640px) {
    .logo-text { display: none; }
}