/* 1. VARIABLES & RESET */
:root {
    /* Paleta - Base */
    --surface: #FDF6EB;
    --ink: #000000;
    --border: #E5E5E5;

    /* Paleta - Acent (Rojos IREAL) */
    --accent-primary: #9F1522;
    /* Crimson más vibrante */
    --accent-hover: #7A0B15;

    /* Paleta - Estados */
    --status-idea-bg: #EAEAEA;
    --status-idea-text: #444;
    --status-process-bg: #FFF4E5;
    --status-process-text: #B26B00;
    --status-ready-bg: #E6F4EA;
    --status-ready-text: #1B8A4B;

    /* Tipografía */
    --font-serif: 'Fraunces', serif;
    --font-sans: 'Outfit', sans-serif;
    --font-hand: 'Reenie Beanie', cursive;

    /* Espaciado */
    --container-width: 1000px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    /* Estilo Premium */
}

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

body {
    background-color: var(--surface);
    color: var(--ink);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    /* Elegancia */
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

/* 2. UTILITIES */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.mb-large {
    margin-bottom: var(--spacing-md);
}

.section {
    padding: var(--spacing-lg) 0;
    opacity: 0;
    /* Para animación de entrada */
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Generic Reveal */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.reveal-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.handwritten {
    font-family: var(--font-hand);
    font-size: 1.4rem;
    color: var(--ink);
    opacity: 0.8;
    transform: rotate(-2deg);
    display: inline-block;
}

/* 3. COMPONENTS: BUTTONS */
.btn {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #FFF;
    box-shadow: 0 4px 12px rgba(159, 21, 34, 0.2);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 24px rgba(159, 21, 34, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 8px rgba(159, 21, 34, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--ink);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background-color: rgba(159, 21, 34, 0.05);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* 4. NAVBAR */
.navbar {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid transparent;
    /* Sutil si se necesita scroll */
    /* Fixed to avoid pushing content down and disrupting scroll logic */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(253, 246, 235, 0.95);
    backdrop-filter: blur(5px);
    z-index: 100;
}

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

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

.logo-img {
    height: 48px;
    /* Un poco más grande para el logo completo */
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a:not(.btn) {
    font-size: 0.9rem;
    color: #555;
}

.nav-links a:not(.btn):hover {
    color: var(--ink);
}

/* 5. HERO */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #444;
    margin-bottom: var(--spacing-md);
    max-width: 90%;
}

.hero-cta-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.microcopy {
    font-size: 0.9rem;
    color: #666;
}



.hero-cta-wrapper .microcopy {
    font-size: 1.5rem;
    /* Más grande como pidió el usuario */
    opacity: 1;
    transform: rotate(-3deg);
    margin-left: 0.5rem;
}

/* Hero Visual: Notebook Card */
.notebook-card {
    background: #FFF;
    border: 1px solid var(--border);
    padding: var(--spacing-md);
    border-radius: 2px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    position: relative;
    transform: rotate(1deg);
    /* Toque orgánico */
}

.handwritten-title {
    font-family: var(--font-hand);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.5rem;
    display: inline-block;
    transform: rotate(-1deg);
}

.notebook-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #F0F0F0;
}

.notebook-item:last-child {
    border-bottom: none;
}

.notebook-item .bullet {
    color: var(--accent-primary);
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
}

.notebook-item .text {
    flex-grow: 1;
    font-family: var(--font-serif);
    font-size: 1.1rem;
}

.status-chip {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 500;
}

.status-idea {
    background: var(--status-idea-bg);
    color: var(--status-idea-text);
}

.status-process {
    background: var(--status-process-bg);
    color: var(--status-process-text);
}

.status-ready {
    background: var(--status-ready-bg);
    color: var(--status-ready-text);
}

/* 6. REALITY & SOLUTION */
/* 6. REALITY (SCROLL STORY) SECTION */
.reality-story-section {
    position: relative;
    /* Track height dictates scroll duration */
    height: 400vh;
    background-color: transparent;
}

.story-track {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.story-sticky-wrapper {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.story-container {
    padding: var(--spacing-lg) 0;
    position: relative;
    width: 100%;
    height: 100%;
}

/* Scenes stacking */
.story-scene {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.story-scene.active {
    opacity: 1;
    pointer-events: all;
}

/* SCENE 1: Thoughts Scattered */
.pain-container-scattered {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 60vh;
    /* Zona de pensamientos */
    display: flex;
    /* Flex fallback, items are margins based */
    flex-direction: column;
}

.pain-item-float {
    background: transparent;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 400px;
    transition: opacity 0.5s ease, transform 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
}

.pain-item-float.visible {
    opacity: 1;
    transform: translateY(0);
}

.pain-item-float:hover {
    transform: scale(1.02);
}

.pain-icon {
    font-size: 1.2rem;
    opacity: 0.8;
}

.pain-item-float p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: #555;
    line-height: 1.4;
}

/* Positioning logic reuse */
.p1 {
    align-self: flex-start;
    margin-left: 5%;
    margin-top: 0;
}

.p2 {
    align-self: flex-end;
    margin-right: 10%;
    margin-top: 5vh;
    flex-direction: row-reverse;
    text-align: right;
}

.p3 {
    align-self: flex-start;
    margin-left: 15%;
    margin-top: 5vh;
}

.p4 {
    align-self: flex-end;
    margin-right: 5%;
    margin-top: 5vh;
    flex-direction: row-reverse;
    text-align: right;
}

/* SCENE 2: Agitation */
.agitation-content {
    max-width: 800px;
    padding: 0 var(--spacing-md);
    transform: translateY(20px);
    transition: transform 0.8s ease;
}

.active .agitation-content {
    transform: translateY(0);
}

.agitation-text {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-style: italic;
    color: var(--accent-primary);
    line-height: 1.3;
}

/* SCENE 3: Solution */
.solution-content {
    max-width: 700px;
    padding: 0 var(--spacing-md);
    transform: translateY(20px);
    transition: transform 0.8s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.active .solution-content {
    transform: translateY(0);
}

.solution-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
    display: block;
}

.solution-text {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    /* Un poco más grande para impactar */
    color: #444;
    line-height: 1.6;
}


/* 7. SYSTEM DESCEND (SPLIT TIMELINE V6) */
.split-timeline-section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 80px;
    /* Ritmo vertical amplio */
}

/* Central Line */
.central-line {
    position: absolute;
    left: 50%;
    top: 50px;
    bottom: 50px;
    width: 1px;
    background-color: #DDD;
    transform: translateX(-50%);
    z-index: 0;
}

/* Rows & Grid */
.timeline-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    /* Separación horizontal del centro */
    position: relative;
    z-index: 1;
}

.col-left {
    text-align: left;
    padding-right: 20px;
}

.col-right {
    text-align: left;
    padding-left: 20px;
}

/* Typography & Blocks */

/* Block 1: Header */
.tl-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--ink);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.tl-desc {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: #555;
    line-height: 1.6;
    max-width: 380px;
}

/* Block 2: Mantra */
.tl-subtitle {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: var(--ink);
    margin-bottom: 2rem;
    line-height: 1.2;
}

/* Nested Items & Markers */
.tl-subitem {
    position: relative;
    padding-left: 25px;
    /* Espacio para marker */
}

.tl-marker {
    position: absolute;
    left: -20px;
    /* Fuera del bloque, cerca de la línea si se ajusta */
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.tl-item-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.tl-item-title-large {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--ink);
    margin-bottom: 0.8rem;
}

.light {
    color: #888;
    font-size: 0.9em;
    font-weight: 400;
}

.tl-item-text {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: #666;
    line-height: 1.5;
    max-width: 350px;
}

/* Decoration specific markers */
.marker-spark {
    top: 5px;
    left: -25px;
}

.marker-scribble {
    display: block;
    margin-bottom: 10px;
    font-size: 1.5rem;
    color: #AAA;
    /* Gris sutil */
}


/* Closing */
.timeline-closing {
    margin-top: 40px;
}

/* ANIMATIONS */
/* Base reveal override for slides */
.reveal-on-scroll.slide-in-left,
.reveal-on-scroll.slide-in-right {
    opacity: 0;
    transition: opacity 1s ease, transform 1s ease-out;
}

/* Initial States */
.reveal-on-scroll.slide-in-left {
    transform: translateX(-50px);
}

.reveal-on-scroll.slide-in-right {
    transform: translateX(50px);
}

/* Active States */
.reveal-on-scroll.visible.slide-in-left {
    opacity: 1;
    transform: translateX(0);
}

.reveal-on-scroll.visible.slide-in-right {
    opacity: 1;
    transform: translateX(0);
}

/* SCROLL SCRUBBING ANIMATIONS (Class Toggling Style) */
.scroll-scrub {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.scroll-scrub.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .central-line {
        left: 20px;
        /* Línea a la izquierda */
    }

    .timeline-row {
        grid-template-columns: 1fr;
        gap: 40px;
        padding-left: 40px;
        /* Dejar espacio para la línea */
    }

    .col-left,
    .col-right {
        padding: 0;
        text-align: left;
    }

    .tl-title {
        font-size: 2.5rem;
    }

    .tl-subtitle {
        font-size: 2rem;
    }

    /* Mobile Animations: Slide up instead of lateral to avoid horizontal scroll issues */
    .reveal-on-scroll.slide-in-left,
    .reveal-on-scroll.slide-in-right {
        transform: translateY(30px);
    }

    .reveal-on-scroll.visible.slide-in-left,
    .reveal-on-scroll.visible.slide-in-right {
        transform: translateY(0);
    }
}

/* 8. FLOW SECTION */
.flow-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-md);
}

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

.step-number {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 0.2rem;
}

.step-label {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
}

.step-connector {
    width: 60px;
    height: 1px;
    background-color: var(--border);
    margin: 0 var(--spacing-md);
}

/* 9. TESTIMONIAL */
.testimonial-section {
    background-color: rgba(0, 0, 0, 0.02);
    /* Diferenciación muy sutil */
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.testimonial {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-style: italic;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    line-height: 1.4;
}

/* 10. WHY SECTION (REDISEÑO - NO BLACK BG) */
.why-section {
    padding: var(--spacing-xl) 0;
    /* Fondo papel sigue siendo el body body */
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
}

.why-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.why-item.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.magic-symbol {
    display: block;
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
    animation: float 4s ease-in-out infinite;
}

.why-item h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-xs);
}

/* 11. FAQ & FINAL CTA */
.final-cta-section {
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
}

.final-cta-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.final-cta-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.faq-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--accent-primary);
}

.faq-item p {
    font-size: 0.95rem;
    color: #555;
}

/* 12. FOOTER */
.footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border);
    color: #888;
    font-size: 0.85rem;
}

.footer a {
    margin: 0 0.5rem;
    text-decoration: none;
    color: #888;
}

.footer a:hover {
    text-decoration: underline;
}

/* KEYFRAMES */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-cta-wrapper {
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .flow-steps {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .step-connector {
        width: 1px;
        height: 30px;
        margin: 0 auto;
    }

    .nav-links {
        display: none;
        /* Simplificado para primera versión */
    }
}
/* Fix for anchor scrolling with fixed navbar */
#how-it-works, #benefits, #reality-story, #faqs {
    scroll-margin-top: 120px; /* Adjust based on navbar height + breathing room */
}


/* Force horizontal overflow fix */
body {
    overflow-x: hidden !important;
    width: 100% !important;
    position: relative;
}