/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0369a1;
    --primary-light: #0ea5e9;
    --primary-dark: #075985;
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --accent: #f97316;
    --accent-dark: #ea580c;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --white: #ffffff;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    justify-content: center;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
}

.btn-full { width: 100%; }

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow 0.3s;
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 56px;
    width: auto;
}

.logo-img-footer {
    height: 48px;
    filter: brightness(0) invert(1);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--primary);
}

.nav a.btn {
    color: var(--white);
}

.nav a.btn:hover {
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    padding: 8px 20px;
    background: rgba(14,165,233,0.15);
    border: 1px solid rgba(14,165,233,0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-light), #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

.trust-item svg {
    color: var(--primary-light);
}

/* ===== Section Styles ===== */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Problems ===== */
.problems {
    padding: 80px 0;
    background: var(--gray-50);
    text-align: center;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.problem-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: transform 0.2s, box-shadow 0.2s;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.problem-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ===== Solution ===== */
.solution {
    padding: 80px 0;
}

.solution-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.solution-desc {
    font-size: 1.05rem;
    color: var(--gray-500);
    margin-bottom: 28px;
    line-height: 1.7;
}

.solution-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
}

.solution-list li svg {
    flex-shrink: 0;
}

/* Before/After */
.before-after {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ba-card {
    flex: 1;
    padding: 28px 20px;
    border-radius: var(--radius);
    text-align: center;
}

.ba-card.before {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.ba-card.after {
    background: var(--primary-50);
    border: 1px solid #bae6fd;
}

.ba-label {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 16px;
    color: var(--gray-500);
}

.ba-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ba-content span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
}

.ba-icon {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.before .ba-icon { color: #ef4444; }
.after .ba-icon { color: #22c55e; }

.ba-arrow {
    font-size: 1.5rem;
    color: var(--gray-400);
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== Gallery ===== */
.gallery {
    padding: 80px 0;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-cta {
    margin-top: 40px;
}

/* Gallery Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.lightbox-nav:hover {
    background: rgba(255,255,255,0.2);
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

@media (max-width: 768px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .lightbox-nav { display: none; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
}

/* ===== Benefits ===== */
.benefits {
    padding: 80px 0;
    background: var(--gray-50);
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.benefit-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    text-align: left;
    transition: transform 0.2s, box-shadow 0.2s;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: 12px;
    color: var(--primary);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ===== Process ===== */
.process {
    padding: 80px 0;
    text-align: center;
}

.process-timeline {
    max-width: 700px;
    margin: 48px auto 0;
    text-align: left;
}

.process-step {
    display: flex;
    gap: 24px;
    padding-bottom: 32px;
    position: relative;
}

.process-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 23px;
    top: 48px;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.step-number {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
    padding-top: 2px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.process-cta {
    margin-top: 40px;
}

/* ===== Stats ===== */
.stats {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 80px 0;
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.testimonial-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    text-align: left;
}

.stars {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-100);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ===== FAQ ===== */
.faq {
    padding: 80px 0;
    background: var(--gray-50);
    text-align: center;
}

.faq-list {
    max-width: 700px;
    margin: 48px auto 0;
    text-align: left;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    font-family: inherit;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform 0.3s;
    color: var(--gray-400);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 0 20px;
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ===== Financing ===== */
.financing {
    padding: 80px 0;
}

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

.financing-text h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.financing-text p {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.financing-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.financing-card {
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    background: var(--white);
}

.financing-card.featured {
    border-color: var(--primary);
    background: var(--primary-50);
    position: relative;
}

.financing-card-header {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 4px;
}

.financing-card-logo {
    margin-bottom: 4px;
}

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

.financing-detail {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}

.financing-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* ===== Contact ===== */
.contact {
    padding: 80px 0;
    background: var(--dark-light);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.contact::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(3,105,161,0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.contact .section-label {
    color: var(--primary-light);
    border-color: rgba(14,165,233,0.3);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.contact-text h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: var(--white);
}

.contact-text > p {
    font-size: 1.05rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 28px;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.contact-benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-300);
}

.contact-benefit svg {
    min-width: 22px;
    filter: drop-shadow(0 0 4px rgba(14,165,233,0.4));
}

.contact-direct {
    padding-top: 24px;
    border-top: 1px solid var(--gray-800);
}

.contact-direct p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 4px;
}

.contact-email {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.contact-email:hover {
    color: var(--primary-light);
}

/* Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.1);
    position: relative;
}

.contact-form-wrapper::before {
    content: 'Cotización Gratis';
    display: block;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    padding: 10px 24px;
    border-radius: 50px;
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(3,105,161,0.3);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
    color: var(--dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-disclaimer {
    font-size: 0.78rem;
    color: var(--gray-400);
    text-align: center;
}

/* ===== Footer ===== */
.footer {
    padding: 64px 0 0;
    background: var(--dark);
    color: var(--gray-400);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
    margin-bottom: 12px;
    display: inline-flex;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    max-width: 240px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--dark-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: background 0.2s, color 0.2s;
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-links a,
.footer-links p {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-salvum-logo {
    height: 44px;
    width: auto;
    margin-top: 8px;
    opacity: 0.9;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
}

/* ===== WhatsApp Float ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37,211,102,0.4);
    z-index: 99;
    transition: transform 0.2s, box-shadow 0.2s;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 4px 12px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 4px 24px rgba(37,211,102,0.6); }
}

/* ===== Mobile Nav ===== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 24px;
    flex-direction: column;
    gap: 12px;
    z-index: 99;
    box-shadow: var(--shadow-lg);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav a {
    padding: 12px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
}

/* ===== Form Success State ===== */
.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success.active {
    display: block;
}

.form-success-icon {
    width: 64px;
    height: 64px;
    background: #dcfce7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.form-success h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-success p {
    font-size: 0.95rem;
    color: var(--gray-500);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .problems-grid { grid-template-columns: repeat(2, 1fr); }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .footer-inner { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .mobile-menu-btn { display: flex; }

    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .hero-ctas .btn { width: 100%; max-width: 320px; }
    .hero-trust { flex-direction: column; align-items: center; gap: 12px; }

    .problems-grid { grid-template-columns: 1fr; }

    .solution-inner { grid-template-columns: 1fr; gap: 40px; }
    .solution-visual { order: -1; }

    .benefits-grid { grid-template-columns: 1fr; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-number { font-size: 2.2rem; }

    .testimonials-grid { grid-template-columns: 1fr; }

    .financing-inner { grid-template-columns: 1fr; }

    .contact-inner { grid-template-columns: 1fr; gap: 40px; }
    .contact-form-wrapper { padding: 28px; }
    .contact-form-wrapper::before { font-size: 0.7rem; top: -16px; padding: 8px 20px; }
    .form-row { grid-template-columns: 1fr; }

    .footer-inner { grid-template-columns: 1fr; gap: 32px; }

    .before-after { flex-direction: column; }
    .ba-arrow { transform: rotate(90deg); }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.75rem; }
    .section-title { font-size: 1.5rem; }
}

/* Mobile Sticky CTA */
.mobile-sticky-cta {
    display: none;
}

@media (max-width: 768px) {
    .mobile-sticky-cta {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        padding: 12px 16px;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
    }

    .mobile-sticky-cta.hidden {
        transform: translateY(100%);
    }

    .mobile-sticky-cta .btn {
        width: 100%;
        padding: 14px 24px;
        font-size: 1rem;
        font-weight: 700;
    }

    /* Ajustar WhatsApp float para no chocar con sticky CTA */
    .whatsapp-float {
        bottom: 80px;
    }
}