/* ===== RESET Y VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #F9FAFB;
    color: #111827;
    line-height: 1.5;
    scroll-behavior: smooth;
}

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

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, #10B981, #3B82F6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== NAVBAR ===== */
.navbar {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.4rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: linear-gradient(135deg, #065F46, #1E40AF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #10B981;
}

.btn-nav {
    background-color: #10B981;
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 9999px;
    transition: background 0.2s;
}

.btn-nav:hover {
    background-color: #059669;
    color: white !important;
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    padding: 4rem 0 5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    background-color: #D1FAE5;
    color: #065F46;
    display: inline-block;
    padding: 0.25rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.2rem;
    color: #4B5563;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.btn-primary {
    background-color: #10B981;
    color: white;
    padding: 0.75rem 1.8rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, background 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #059669;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #F3F4F6;
    color: #1F2937;
    padding: 0.75rem 1.8rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background-color: #E5E7EB;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    color: #6B7280;
}

.hero-stats span {
    font-weight: 800;
    color: #111827;
    font-size: 1.2rem;
    display: block;
}

.hero-img img {
    width: 100%;
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.floating-img {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* ===== CLAIM ÚNICO ===== */
.unique-claim {
    background: linear-gradient(120deg, #ECFDF5, #EFF6FF);
    padding: 4rem 0;
    border-radius: 3rem;
    margin: 2rem 0;
}

.claim-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.claim-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.underline-fancy {
    background: linear-gradient(120deg, #10B981 0%, #10B981 40%, transparent 40%);
    background-repeat: no-repeat;
    background-size: 100% 30%;
    background-position: bottom;
}

/* ===== METHOD CARDS ===== */
.method {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    background-color: #E0E7FF;
    color: #1E40AF;
    padding: 0.25rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.method-card {
    background: white;
    border-radius: 1.5rem;
    padding: 1.8rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border: 1px solid #F3F4F6;
}

.method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.method-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.card-img-placeholder img {
    width: 100%;
    border-radius: 1rem;
    margin-top: 1.5rem;
    aspect-ratio: 2/1;
    object-fit: cover;
}

/* ===== FREE PLEDGE ===== */
.free-pledge {
    background-color: #111827;
    color: white;
    padding: 4rem 0;
    border-radius: 2rem;
    margin: 2rem 0;
}

.pledge-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.emoji-badge {
    font-size: 2rem;
}

.pledge-text {
    font-size: 1.1rem;
    color: #D1D5DB;
    margin: 1.5rem 0;
}

.pledge-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin: 2rem 0;
}

.pledge-cards div {
    background-color: #1F2937;
    padding: 0.6rem 1rem;
    border-radius: 0.8rem;
    font-size: 0.9rem;
}

.btn-cta-gratis {
    background-color: #10B981;
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    display: inline-block;
    font-weight: bold;
    transition: background 0.2s;
}

.btn-cta-gratis:hover {
    background-color: #059669;
}

.pledge-img img {
    width: 100%;
    border-radius: 1.5rem;
}

/* ===== RESOURCES ===== */
.resources {
    padding: 5rem 0;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.resource-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    background: #E5E7EB;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: #F9FAFB;
    padding: 5rem 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.stars {
    color: #FBBF24;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: #4B5563;
}

.author {
    font-weight: 700;
    color: #111827;
}

/* ===== CTA FINAL ===== */
.cta-final {
    padding: 4rem 0;
}

.cta-card {
    background: linear-gradient(135deg, #ECFDF5, #EFF6FF);
    padding: 3rem;
    border-radius: 2rem;
    text-align: center;
}

.cta-form {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0 1rem;
    flex-wrap: wrap;
}

.cta-form input {
    padding: 0.8rem 1.5rem;
    border-radius: 999px;
    border: 1px solid #D1D5DB;
    width: 260px;
    font-family: inherit;
}

.cta-form button {
    background-color: #10B981;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 999px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

.cta-form button:hover {
    background-color: #059669;
}

.form-notice {
    font-size: 0.8rem;
    color: #6B7280;
}

/* ===== FOOTER ===== */
.footer {
    background-color: #111827;
    color: #9CA3AF;
    padding: 3rem 0 1rem;
    margin-top: 3rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.footer-brand p {
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-links h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    text-decoration: none;
    color: #9CA3AF;
    line-height: 2;
}

.footer-links a:hover {
    color: #10B981;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #1F2937;
    padding-top: 2rem;
    margin-top: 2rem;
    font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    
    .hero-grid, .pledge-inner, .footer-inner {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        background: white;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        padding: 1.5rem;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        gap: 1rem;
    }
    
    .nav-links.nav-active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .cta-card {
        padding: 2rem;
    }
    
    .cta-form input {
        width: 100%;
    }
}