/* ESTÉTICA WHITE PREMIUM - LANDING PAGE COMPLETA */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAVBAR */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.btn-nav {
    background: var(--primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: 10px;
}

/* HERO */
.hero {
    padding: 100px 0;
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.05), transparent 40%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 440px;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.badge {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: inline-block;
}

.hero-features {
    list-style: none;
}

.hero-features li {
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ONBOARDING CARD */
.onboarding-card {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 10px;
    margin-bottom: 24px;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.4s ease;
}

.step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.step.active {
    display: block;
}

.input-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 6px;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--bg-alt);
}

.btn-next, .btn-submit {
    background: var(--primary);
    color: white;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 16px;
}

.btn-back {
    background: transparent;
    border: 1px solid var(--border);
    padding: 14px;
    border-radius: 10px;
    cursor: pointer;
    flex: 1;
}

.btn-row {
    display: flex;
    gap: 12px;
}

/* SECTIONS */
.section {
    padding: 100px 0;
}

.alt-bg {
    background: var(--bg-alt);
}

.text-center {
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 60px;
}

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

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border);
    text-align: left;
}

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

.feature-card h3 {
    margin-bottom: 12px;
}

.flex-center {
    display: flex;
    align-items: center;
    gap: 80px;
}

.benefit-list {
    list-style: none;
    margin-top: 24px;
}

.benefit-list li {
    margin-bottom: 16px;
    padding-left: 24px;
    position: relative;
}

.benefit-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 800;
}

.mockup {
    width: 100%;
    height: 300px;
    background: var(--primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    transform: rotate(3deg);
    box-shadow: 20px 20px 60px rgba(0,0,0,0.1);
}

.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-light);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-text { text-align: center; }
    .hero-features { display: inline-block; text-align: left; }
    .grid-3 { grid-template-columns: 1fr; }
    .flex-center { flex-direction: column; }
    .nav-links { display: none; }
    .hero-text h1 { font-size: 2.5rem; }
}