:root {
    --color-forest-green: #294436;
    --color-sand-gold: #C7A667;
    --color-cream: #F6EFE8;
    --color-ink: #2B2230;
    --color-coral: #CE4C6E;
    --color-bg: #FBF7F1;
    --color-text: var(--color-ink);

    --font-display: 'Bricolage Grotesque', sans-serif;
    --font-body: 'Hanken Grotesk', sans-serif;

    --transition-fast: 0.3s ease;
    --transition-med: 0.6s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.main-container {
    position: relative;
    width: 100%;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 40px;
    background: rgba(251, 247, 241, 0.8);
    backdrop-filter: blur(10px);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
}

.logo img {
    height: 32px;
    width: auto;
}

.button {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 99px;
    text-decoration: none;
    font-weight: 700;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.button:hover {
    transform: scale(1.05);
}

:is(a, button):focus-visible {
    outline: 2px solid var(--color-sand-gold);
    outline-offset: 2px;
    border-radius: 4px;
}

.nav-button {
    background-color: var(--color-ink);
    color: var(--color-cream);
}

.scroll-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero-section {
    grid-column: 1 / -1;
    text-align: center;
    padding: 200px 0 100px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.highlight-word {
    position: relative;
    display: inline-block;
}

.highlight-word::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: -5%;
    width: 110%;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg width='295' height='29' viewBox='0 0 295 29' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 14.2349C52.4039 5.51864 163.38 -5.76472 291 16.1558' stroke='%23C7A667' stroke-width='8' stroke-linecap='round'/%3E%3C/svg%3E%0A");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}


.sub-headline {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 40px;
    color: #5c5860;
}

.app-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.app-buttons a {
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid var(--color-ink);
    transition: all var(--transition-fast);
}

.app-button-apple {
    background-color: var(--color-ink);
    color: var(--color-cream);
}
.app-button-google {
    background-color: transparent;
    color: var(--color-ink);
}
.app-button-google:hover {
    background-color: var(--color-ink);
    color: var(--color-cream);
}

.sticky-container {
    grid-column: 1 / -1;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.phone-mockup {
    width: 380px;
    height: 770px;
    background: #111;
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 0 40px rgba(0,0,0,0.2);
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-cream);
    border-radius: 25px;
    overflow: hidden;
    position: relative;
}

.screen-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-med);
}

.screen-image.active {
    opacity: 1;
}


.how-it-works-section {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding-top: 100vh;
    padding-bottom: 50vh;
    min-height: 250vh;
    z-index: 2;
}

.feature-card {
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 32px;
    max-width: 400px;
    border: 1px solid rgba(0,0,0,0.05);
    opacity: 0;
    transform: translateY(50px);
    transition: opacity var(--transition-med), transform var(--transition-med);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:nth-child(odd) {
    align-self: flex-start;
}
.feature-card:nth-child(even) {
    align-self: flex-end;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 12px;
    color: var(--color-forest-green);
}

.steps-section, .testimonials-section, .cta-section {
    grid-column: 1 / -1;
    padding: 100px 0;
    text-align: center;
    z-index: 2;
    background: var(--color-bg);
}

.steps-section h2, .testimonials-section h2, .cta-section h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: 60px;
}

.steps-grid, .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.step-card, .testimonial-card {
    padding: 32px;
    border-radius: 20px;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity var(--transition-med), transform var(--transition-med);
}

.step-card.visible, .testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-card {
    background: var(--color-cream);
    text-align: left;
}

.step-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-sand-gold);
    margin-bottom: 16px;
    display: block;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.testimonial-card {
    background: var(--color-forest-green);
    color: var(--color-cream);
}

.testimonial-card p {
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.testimonial-card span {
    font-weight: 700;
    color: var(--color-sand-gold);
}

.cta-section {
    padding: 120px 0;
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 40px;
}

.cta-button {
    background-color: var(--color-coral);
    color: #fff;
    padding: 16px 32px;
    font-size: 1.1rem;
}

.main-footer {
    grid-column: 1 / -1;
    background: var(--color-ink);
    color: var(--color-cream);
    padding: 60px 40px;
    z-index: 2;
}

.footer-content {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content .logo {
    color: var(--color-cream);
}

.footer-links a {
    color: var(--color-sand-gold);
    text-decoration: none;
    margin: 0 12px;
    transition: color var(--transition-fast);
}
.footer-links a:hover {
    color: var(--color-cream);
}

.copyright {
    color: rgba(246, 239, 232, 0.5);
}


@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 768px) {
    .scroll-container {
        display: block;
    }
    .sticky-container {
        display: none; /* Simplificamos para móvil por ahora */
    }
    .how-it-works-section {
        padding-top: 100px;
        min-height: auto;
    }
     .feature-card:nth-child(odd), .feature-card:nth-child(even) {
        align-self: center;
    }
    .hero-section {
        padding: 150px 0 50px;
    }
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}