:root {
    /* Architectural Elegance Palette */
    --bg-color: #fcfbf9;
    /* Warm white / Alabaster */
    --bg-light: #f5f3ec;
    /* Pearl beige */
    --bg-dark: #1f201e;
    /* Soft off-black */
    --text-primary: #1f201e;
    --text-muted: #6b6a65;
    --accent: #b08d55;
    /* Muted Gold / Brass */
    --accent-hover: #967644;
    --border-color: rgba(31, 32, 30, 0.08);
    /* Hairline */

    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;

    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html.lenis,
html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto;
}

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

::selection {
    background: var(--accent);
    color: #fff;
}

/* Typography base */
h1,
h2,
h3,
.serif-title,
.logo {
    font-family: var(--font-serif);
    font-weight: 400;
}

h1 em,
h2 em {
    font-style: italic;
    color: var(--text-muted);
}

.eyebrow {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 20px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.container-large {
    max-width: 1600px;
    /* For Galleries */
}

.container-small {
    max-width: 800px;
}

/* Global Buttons */
.btn-primary {
    display: inline-block;
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 18px 36px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent);
}

.btn-large {
    padding: 22px 45px;
    font-size: 1.05rem;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
    padding: 15px 30px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--text-primary);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    background: #25D366;
    color: white;
    padding: 18px 36px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.btn-whatsapp:hover {
    background: #1ebc59;
}

.w-100 {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 25px 0;
    z-index: 100;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(252, 251, 249, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo .dot {
    color: var(--accent);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-nav {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--text-primary);
    padding-bottom: 3px;
    transition: var(--transition);
}

.btn-nav:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Hamburger (Mobile) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 101;
    /* Above mobile menu */
}

.mobile-menu-btn span {
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    /* Offset for nav */
}

.hero-bg {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 60%;
    /* Image takes left 60% */
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-bg .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.3) 0%, rgba(252, 251, 249, 1) 100%);
}

.hero-content {
    display: flex;
    justify-content: flex-end;
    /* Push content to right side */
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-text {
    width: 45%;
    /* Text takes remaining left portion somewhat */
    position: relative;
    color: var(--text-primary);
}

.editorial-title {
    font-size: clamp(3.5rem, 6vw, 7rem);
    line-height: 1.05;
    margin-bottom: 40px;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.hero-text p {
    font-size: 1.15rem;
    max-width: 450px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stars {
    color: #eab308;
    /* Star yellow */
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.small-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Sections */
.section {
    padding: 120px 0;
    border-top: 1px solid var(--border-color);
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
    color: #fff;
}

.section-header {
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1.1;
}

.light-text h2,
.light-text p {
    color: #fff;
}

.light-text p {
    opacity: 0.8;
    margin-top: 20px;
}

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

.flex-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

/* Pillars */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.pillar-card {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.pillar-icon {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.pillar-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.pillar-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Before & After Interactive Sliders */
.ba-sliders-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.ba-slider-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ba-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    cursor: col-resize;
    /* Let user know they can slide */
    background: #eee;
    touch-action: pan-y;
    /* Allow vertical scroll on mobile, prevent horizontal refresh */
}

.ba-image-after,
.ba-image-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* The Before image is the one we crop/clip */
.ba-image-before {
    width: 50%;
    /* Default 50% split */
    overflow: hidden;
    z-index: 2;
}

.ba-image-after img,
.ba-image-before img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    /* Crucial for JS events on container */
    user-select: none;
}

/* Since before container is cropped, its image must maintain full container width */
.ba-image-before img {
    width: 200%;
    /* If container is 50%, image must be 200% to fill original width */
    max-width: none;
}

.ba-label {
    position: absolute;
    bottom: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 5px 15px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 500;
    pointer-events: none;
}

.label-after {
    right: 20px;
}

.label-before {
    left: 20px;
}

/* The Handler Line */
.ba-handle {
    position: absolute;
    top: 0;
    left: 50%;
    /* Default 50% */
    width: 0;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.ba-handle-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    transform: translateX(-50%);
}

.ba-handle-button {
    position: absolute;
    top: 50%;
    left: 0;
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translate(-50%, -50%);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
}

.ba-handle-button svg {
    width: 16px;
    height: 16px;
}

.ba-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.ba-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Method Timeline */
.timeline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

/* Center vertical line */
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-50%);
}

.timeline-step {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
    position: relative;
    z-index: 1;
    padding-top: 30px;
    padding-bottom: 30px;
}

/* Alternate sides logic */
.timeline-step:nth-child(odd) {
    text-align: right;
    padding-right: 60px;
}

.timeline-step:nth-child(even) {
    grid-column: 2;
    padding-left: 60px;
    margin-top: 100px;
    /* staggered */
}

/* Dots on the line */
.timeline-step::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
}

.timeline-step:nth-child(odd)::after {
    right: -7px;
}

.timeline-step:nth-child(even)::after {
    left: -7px;
}

/* Huge Watermark Numbers */
.step-num {
    position: absolute;
    top: -20px;
    font-family: var(--font-serif);
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    z-index: -1;
    pointer-events: none;
}

.timeline-step:nth-child(odd) .step-num {
    right: 40px;
}

.timeline-step:nth-child(even) .step-num {
    left: 40px;
}

.step-content h3 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 10px;
}

.step-content p {
    color: rgba(255, 255, 255, 0.6);
}

/* Final CTA */
.founder-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 30px;
}

.cta-final .serif-title {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.3;
    margin-bottom: 20px;
}

.founder-name {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.btn-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0;
}

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

.f-col {
    max-width: 400px;
}

.f-col p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 15px;
}

/* Gallery extras */
.section-note {
    margin-top: 15px;
    color: var(--text-muted);
}

.gallery-cta {
    margin-top: 50px;
}

/* CTA Final Section */
.cta-heading {
    margin-bottom: 20px;
}

.cta-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.cta-form-container {
    margin-top: 60px;
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    text-align: left;
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.form-intro {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.lead-gen-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.lead-gen-form input,
.lead-gen-form select {
    padding: 15px;
    border: 1px solid var(--border-color);
    width: 100%;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: #fff;
}

.lead-gen-form select {
    color: var(--text-muted);
}

.lead-gen-form .btn-primary {
    padding: 20px;
    font-size: 1.1rem;
    border-radius: 4px;
}

.form-privacy {
    text-align: center;
    font-size: 0.8rem;
    color: #a0a0a0;
    margin-top: 15px;
}

.footer-studio-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
}

.footer-studio-link:hover {
    color: var(--accent);
}

/* Animations - Reveal Up */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 1000px) {
    .hero-bg {
        width: 100%;
    }

    .hero-bg .overlay {
        background: rgba(252, 251, 249, 0.9);
    }

    /* Lighter overlay for mobile legibility of black text */
    .hero-content {
        justify-content: center;
        text-align: center;
    }

    .hero-text {
        width: 100%;
        color: var(--text-primary);
    }

    .hero-text h1 {
        color: var(--text-primary);
        font-size: 3.5rem;
    }

    .hero-cta-group {
        align-items: center;
    }

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

    .ba-sliders-wrapper {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 0;
    }

    .timeline {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .timeline-step:nth-child(odd),
    .timeline-step:nth-child(even) {
        text-align: left;
        padding-left: 30px;
        padding-right: 0;
        grid-column: 1;
        margin-top: 0;
    }

    .timeline-step:nth-child(odd) .step-num,
    .timeline-step:nth-child(even) .step-num {
        right: auto;
        left: 20px;
    }

    .flex-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

@media (max-width: 768px) {

    .nav-links,
    .btn-nav {
        display: none;
    }

    /* Hide for now, add mobile logic in JS/CSS if needed */
    .mobile-menu-btn {
        display: flex;
    }

    /* Mobile Menu implementation */
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        gap: 30px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
        z-index: -1;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    /* Botones — mínimo 44px táctil */
    .btn-primary,
    .btn-outline,
    .btn-nav {
        min-height: 52px;
        padding: 15px 30px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-large {
        min-height: 56px;
        width: 100%;
        justify-content: center;
        padding: 18px 36px;
    }

    .btn-whatsapp {
        width: 100%;
        min-height: 52px;
        justify-content: center;
    }

    /* Hero */
    .hero-text h1 {
        font-size: clamp(2.4rem, 10vw, 4rem);
    }

    /* Inputs — evitar zoom automático en iOS */
    input,
    select,
    textarea {
        font-size: 16px !important;
        min-height: 52px;
    }

    /* Ba-slider: asegurar que el handle es táctil cómodo */
    .ba-handle {
        width: 48px;
        height: 48px;
    }

    /* Footer */
    .flex-footer {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    /* Cursor */
    * { cursor: auto; }
    .cursor { display: none; }
}

/* ─── prefers-reduced-motion ─────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .nav-links { transition: none; }
    .preloader { display: none; }
}