/* ============================================================
   GRIMALDO CORP — STYLE.CSS
   Diseño cinematográfico, oscuro, premium, corporativo.
   Paleta: Negro profundo · Carbón · Blanco · Dorado sutil.
   Inspiración: Apple · BlackRock · McKinsey.
   ============================================================ */

/* ==== 1. RESET & TOKENS ===================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; text-decoration: none; }

:root {
    /* Paleta */
    --c-black: #050505;
    --c-bg: #0a0a0a;
    --c-bg-2: #101010;
    --c-bg-3: #16161a;
    --c-carbon: #1c1c20;
    --c-carbon-2: #25252b;
    --c-line: rgba(255, 255, 255, 0.08);
    --c-line-strong: rgba(255, 255, 255, 0.16);
    --c-text: #f4f4f2;
    --c-text-soft: #b8b8b3;
    --c-text-mute: #6e6e6a;

    /* Dorado sutil — acentos */
    --c-gold: #c9a96a;
    --c-gold-soft: #d4b87f;
    --c-gold-deep: #8a7242;
    --c-gold-glow: rgba(201, 169, 106, 0.18);

    /* Tipografía */
    --ff-display: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
    --ff-sans: 'Manrope', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --ff-mono: 'Inter', system-ui, sans-serif;

    /* Espaciado y layout */
    --container: 1320px;
    --container-narrow: 1080px;
    --gutter: clamp(1.25rem, 4vw, 2.5rem);
    --section-pad: clamp(5rem, 10vw, 9rem);

    /* Animación */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --dur: 0.7s;
}

html, body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--ff-sans);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 169, 106, 0.06), transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(201, 169, 106, 0.03), transparent 60%);
    min-height: 100vh;
}

::selection { background: var(--c-gold); color: var(--c-black); }

/* Scrollbar premium */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--c-carbon-2), var(--c-carbon));
    border: 2px solid var(--c-bg);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--c-gold-deep); }

/* Texto utilitario */
.text-accent {
    color: var(--c-gold);
    font-style: italic;
    font-family: var(--ff-display);
    font-weight: 400;
}

/* ==== 2. PRELOADER ========================================== */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--c-black);
    display: grid;
    place-items: center;
    transition: opacity 0.6s var(--ease-out), visibility 0.6s var(--ease-out);
    /* Fallback: se oculta solo si JS no carga */
    animation: preloaderAutoHide 0.6s ease-out 2.5s forwards;
}
.preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes preloaderAutoHide {
    to { opacity: 0; visibility: hidden; pointer-events: none; }
}
.preloader__inner { text-align: center; }
.preloader__mark {
    font-family: var(--ff-display);
    font-size: 5rem;
    font-weight: 500;
    color: var(--c-gold);
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
    animation: pulseMark 1.6s ease-in-out infinite;
}
.preloader__bar {
    width: 180px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 auto;
    overflow: hidden;
}
.preloader__bar span {
    display: block;
    height: 100%;
    width: 30%;
    background: var(--c-gold);
    animation: barLoad 1.2s ease-in-out infinite;
}
@keyframes pulseMark {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.97); }
}
@keyframes barLoad {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

/* ==== 3. CURSOR PERSONALIZADO =============================== */
.cursor, .cursor-dot {
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    border-radius: 50%;
    transition: transform 0.2s var(--ease-out), opacity 0.3s, width 0.3s, height 0.3s;
    will-change: transform;
}
.cursor {
    width: 32px;
    height: 32px;
    border: 1px solid var(--c-gold);
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
}
.cursor-dot {
    width: 4px;
    height: 4px;
    background: var(--c-gold);
    transform: translate(-50%, -50%);
}
.cursor.is-hover { width: 56px; height: 56px; background: var(--c-gold-glow); }
@media (hover: none), (max-width: 900px) {
    .cursor, .cursor-dot { display: none; }
}

/* ==== 4. NAVEGACIÓN ========================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: background 0.4s var(--ease-out), padding 0.4s var(--ease-out), border-color 0.4s;
    border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
    background: rgba(8, 8, 10, 0.85);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    padding: 0.85rem 0;
    border-bottom-color: var(--c-line);
}
.nav__container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.nav__brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--ff-sans);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.nav__brand-mark {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--c-gold), var(--c-gold-deep));
    color: var(--c-black);
    font-family: var(--ff-display);
    font-size: 1.4rem;
    font-weight: 600;
    border-radius: 4px;
    line-height: 1;
}
.nav__brand-name { color: var(--c-text); }
.nav__brand-accent { color: var(--c-gold); margin-left: 0.35em; }

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}
.nav__list {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.nav__link {
    position: relative;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--c-text-soft);
    letter-spacing: 0.08em;
    transition: color 0.3s;
    padding: 0.5rem 0;
}
.nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 0;
    background: var(--c-gold);
    transition: width 0.4s var(--ease-out);
}
.nav__link:hover { color: var(--c-text); }
.nav__link:hover::after { width: 100%; }
.nav__cta {
    padding: 0.7rem 1.4rem;
    border: 1px solid var(--c-gold);
    color: var(--c-gold);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: background 0.4s var(--ease-out), color 0.4s, transform 0.4s;
    border-radius: 2px;
}
.nav__cta:hover { background: var(--c-gold); color: var(--c-black); transform: translateY(-1px); }

.nav__toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    align-items: flex-end;
    padding: 0 8px;
}
.nav__toggle span {
    display: block;
    width: 28px;
    height: 1.5px;
    background: var(--c-text);
    transition: all 0.4s var(--ease-out);
    transform-origin: center;
}
.nav__toggle span:nth-child(2) { width: 18px; }
.nav__toggle.is-active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); width: 28px; }
.nav__toggle.is-active span:nth-child(2) { opacity: 0; }
.nav__toggle.is-active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); width: 28px; }

@media (max-width: 1024px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: 0;
        width: min(420px, 100%);
        height: 100vh;
        height: 100dvh;
        background: rgba(5, 5, 7, 0.97);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 5rem 2.5rem 2.5rem;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.5s var(--ease-out);
        border-left: 1px solid var(--c-line);
    }
    .nav__menu.is-open { transform: translateX(0); }
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        width: 100%;
    }
    .nav__link {
        font-size: 1.5rem;
        font-family: var(--ff-display);
        color: var(--c-text);
        letter-spacing: 0.02em;
    }
    .nav__cta { width: 100%; text-align: center; padding: 1rem; font-size: 0.85rem; }
    .nav__toggle { display: flex; }
}

/* ==== 5. BUTTONS ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1.05rem 1.9rem;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid transparent;
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--ease-out), background 0.4s, color 0.4s, border-color 0.4s, box-shadow 0.4s;
    white-space: nowrap;
}
.btn svg { transition: transform 0.4s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
    background: var(--c-gold);
    color: var(--c-black);
    box-shadow: 0 4px 30px -10px var(--c-gold-glow);
}
.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.3), transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.7s var(--ease-out);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -10px var(--c-gold-glow); }
.btn--primary:hover::before { transform: translateX(100%); }

.btn--ghost {
    background: transparent;
    color: var(--c-text);
    border-color: var(--c-line-strong);
}
.btn--ghost:hover {
    border-color: var(--c-gold);
    color: var(--c-gold);
    transform: translateY(-2px);
}

/* Botón WhatsApp — verde institucional sutil con acento dorado */
.btn--whatsapp {
    background: linear-gradient(135deg, #1f8a4d 0%, #167b41 100%);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.08);
    gap: 0.7rem;
}
.btn--whatsapp svg {
    flex-shrink: 0;
    transition: transform 0.4s var(--ease-out);
}
.btn--whatsapp:hover {
    background: linear-gradient(135deg, #25a05c 0%, #1c8e4d 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px -10px rgba(37, 160, 92, 0.45);
}
.btn--whatsapp:hover svg { transform: scale(1.08) translateX(0); }

/* Botón email — minimalista de línea */
.btn--ghost-line {
    background: transparent;
    color: var(--c-text);
    border-color: var(--c-line-strong);
    gap: 0.7rem;
}
.btn--ghost-line svg {
    flex-shrink: 0;
    transition: transform 0.4s var(--ease-out);
    color: var(--c-gold);
}
.btn--ghost-line:hover {
    border-color: var(--c-gold);
    color: var(--c-gold);
    transform: translateY(-2px);
}
.btn--ghost-line:hover svg { transform: translateX(2px); }

/* Contenedor de acciones de contacto */
.contacto__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}
.contacto__actions .btn {
    flex: 0 1 auto;
}
@media (max-width: 600px) {
    .contacto__actions .btn { width: 100%; justify-content: center; }
}

/* ==== 6. HERO =============================================== */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 9rem var(--gutter) 6rem;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--c-black);
}
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 80%);
}
.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.45;
    animation: floatGlow 18s ease-in-out infinite;
}
.hero__glow--1 {
    width: 520px;
    height: 520px;
    top: -120px;
    right: -120px;
    background: radial-gradient(circle, var(--c-gold), transparent 65%);
}
.hero__glow--2 {
    width: 600px;
    height: 600px;
    bottom: -200px;
    left: -150px;
    background: radial-gradient(circle, rgba(201, 169, 106, 0.4), transparent 65%);
    animation-delay: -9s;
}
@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.05); }
}
.hero__noise {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
}

.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-text-mute);
    margin-bottom: 2.5rem;
}
.hero__eyebrow-line {
    width: 56px;
    height: 1px;
    background: var(--c-gold);
}

.hero__title {
    font-family: var(--ff-display);
    font-weight: 400;
    font-size: clamp(3.5rem, 11vw, 9.5rem);
    line-height: 0.92;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}
.hero__title-line {
    display: block;
    overflow: hidden;
}
.hero__title-line--accent {
    color: var(--c-gold);
    font-style: italic;
    font-weight: 500;
    padding-left: clamp(1rem, 4vw, 4rem);
}

.hero__subtitle {
    font-family: var(--ff-sans);
    font-size: clamp(0.95rem, 1.4vw, 1.15rem);
    font-weight: 300;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-text-soft);
    margin-bottom: 3rem;
}

.hero__divider {
    width: 80px;
    height: 1px;
    background: var(--c-gold);
    margin-bottom: 2.5rem;
}

.hero__copy {
    font-family: var(--ff-display);
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    font-weight: 400;
    line-height: 1.25;
    color: var(--c-text);
    margin-bottom: 1.5rem;
    max-width: 760px;
}

.hero__subcopy {
    font-size: clamp(1rem, 1.3vw, 1.1rem);
    color: var(--c-text-soft);
    line-height: 1.7;
    max-width: 620px;
    margin-bottom: 3rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 5rem;
}

.hero__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--c-line);
    max-width: 760px;
}
.hero__meta-item { display: flex; flex-direction: column; gap: 0.4rem; }
.hero__meta-label {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-text-mute);
}
.hero__meta-value {
    font-family: var(--ff-display);
    font-size: 1.05rem;
    color: var(--c-text);
    font-weight: 500;
}

.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    right: var(--gutter);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--c-text-mute);
    z-index: 2;
}
.hero__scroll-line {
    width: 70px;
    height: 1px;
    background: var(--c-line);
    position: relative;
    overflow: hidden;
}
.hero__scroll-line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--c-gold);
    transform: translateX(-100%);
    animation: scrollLine 2.6s ease-in-out infinite;
}
@keyframes scrollLine {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}
@media (max-width: 700px) {
    .hero__scroll { display: none; }
}

/* ==== 7. SECCIONES BASE ===================================== */
.section {
    position: relative;
    padding: var(--section-pad) 0;
    overflow: hidden;
}
.section__container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
    position: relative;
}
.section__header {
    margin-bottom: clamp(3rem, 6vw, 5rem);
    max-width: 980px;
}
.section__index {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 1.5rem;
    padding-left: 1.2rem;
    position: relative;
}
.section__index::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 1px;
    background: var(--c-gold);
}
.section__title {
    font-family: var(--ff-display);
    font-weight: 400;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.015em;
    color: var(--c-text);
    margin-bottom: 1.5rem;
}
.section__lead {
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    color: var(--c-text-soft);
    line-height: 1.7;
    max-width: 720px;
}

/* ==== 8. SECCIÓN — FIRMA ==================================== */
.section--firma {
    background: linear-gradient(180deg, var(--c-black) 0%, var(--c-bg) 100%);
}
.firma__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
    margin-bottom: clamp(4rem, 7vw, 6rem);
    align-items: start;
}
.firma__lead p {
    font-family: var(--ff-display);
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    line-height: 1.55;
    color: var(--c-text);
    font-weight: 300;
    margin-bottom: 1.5rem;
}
.firma__lead p:last-child {
    color: var(--c-text-soft);
    font-family: var(--ff-sans);
    font-size: 1.05rem;
    line-height: 1.75;
}
.firma__lead strong {
    color: var(--c-gold);
    font-weight: 600;
    letter-spacing: 0.04em;
}
.firma__stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.firma__stat {
    padding: 1.75rem;
    background: linear-gradient(140deg, rgba(255,255,255,0.025), rgba(255,255,255,0.005));
    border: 1px solid var(--c-line);
    border-radius: 4px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: border-color 0.4s, transform 0.4s var(--ease-out);
}
.firma__stat:hover { border-color: var(--c-gold-deep); transform: translateY(-2px); }
.firma__stat-num {
    display: block;
    font-family: var(--ff-display);
    font-size: clamp(2.2rem, 4vw, 3rem);
    color: var(--c-gold);
    font-weight: 500;
    line-height: 1;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}
.firma__stat-sup {
    font-size: 0.5em;
    vertical-align: super;
    color: var(--c-text-soft);
    margin-left: 2px;
}
.firma__stat-label {
    font-size: 0.85rem;
    color: var(--c-text-soft);
    line-height: 1.5;
}

.firma__pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0;
    border-top: 1px solid var(--c-line);
    padding-top: 3rem;
}
.firma__pillar {
    padding: 1.5rem 1.75rem;
    border-left: 1px solid var(--c-line);
    transition: background 0.4s, border-color 0.4s;
}
.firma__pillar:first-child { border-left: none; }
.firma__pillar:hover { background: rgba(201, 169, 106, 0.03); border-left-color: var(--c-gold); }
.firma__pillar-num {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--c-gold);
    margin-bottom: 0.75rem;
    display: block;
    letter-spacing: 0.05em;
}
.firma__pillar h3 {
    font-family: var(--ff-sans);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 0.6rem;
    color: var(--c-text);
}
.firma__pillar p {
    font-size: 0.9rem;
    color: var(--c-text-soft);
    line-height: 1.6;
}

@media (max-width: 900px) {
    .firma__grid { grid-template-columns: 1fr; }
    .firma__pillars { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
    .firma__pillar { border-left: none; border-top: 1px solid var(--c-line); padding: 1.5rem 0; }
    .firma__pillar:first-child { border-top: none; padding-top: 0; }
}

/* ==== 9. SECCIÓN — FUNDADOR ================================= */
.section--fundador {
    background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
    position: relative;
}
.section--fundador::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-gold-deep), transparent);
    opacity: 0.3;
    transform: translateY(-50%);
    pointer-events: none;
}
.fundador__grid {
    display: grid;
    grid-template-columns: 0.85fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: center;
}

.fundador__media {
    position: relative;
}
.fundador__frame {
    position: relative;
    aspect-ratio: 4/5;
    background: linear-gradient(160deg, var(--c-carbon), var(--c-bg-3));
    border: 1px solid var(--c-line);
    overflow: hidden;
}
.fundador__frame-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(ellipse 60% 40% at 50% 30%, var(--c-gold-glow), transparent 60%);
    opacity: 0.7;
    pointer-events: none;
    z-index: 0;
}
.fundador__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    z-index: 1;
    filter: contrast(1.05) brightness(0.95);
    transition: transform 1.2s var(--ease-out), filter 0.6s;
}
.fundador__frame:hover .fundador__image { transform: scale(1.04); filter: contrast(1.1) brightness(1); }

.fundador__frame--no-image::after {
    content: 'SG';
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-family: var(--ff-display);
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: 500;
    color: var(--c-gold);
    z-index: 1;
    background: linear-gradient(160deg, var(--c-carbon) 0%, var(--c-bg-3) 100%);
    letter-spacing: 0.02em;
}

.fundador__frame-corners span {
    position: absolute;
    width: 28px;
    height: 28px;
    border: 1px solid var(--c-gold);
    z-index: 2;
}
.fundador__frame-corners span:nth-child(1) { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.fundador__frame-corners span:nth-child(2) { top: 14px; right: 14px; border-left: 0; border-bottom: 0; }
.fundador__frame-corners span:nth-child(3) { bottom: 14px; left: 14px; border-right: 0; border-top: 0; }
.fundador__frame-corners span:nth-child(4) { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.fundador__signature {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--c-line);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.fundador__signature-name {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: 1.5rem;
    color: var(--c-gold);
}
.fundador__signature-role {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-text-mute);
}

.fundador__content { padding: 1rem 0; }
.fundador__tagline {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: clamp(1.1rem, 1.6vw, 1.4rem);
    color: var(--c-gold);
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}
.fundador__copy {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--c-text-soft);
    margin-bottom: 2.5rem;
    max-width: 580px;
}
.fundador__attrs {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.fundador__attrs li {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    padding: 1.1rem 0;
    border-top: 1px solid var(--c-line);
    font-size: 1rem;
    color: var(--c-text);
    transition: padding 0.4s, color 0.4s;
}
.fundador__attrs li:last-child { border-bottom: 1px solid var(--c-line); }
.fundador__attrs li span {
    font-family: var(--ff-display);
    font-size: 0.85rem;
    color: var(--c-gold);
    font-style: italic;
    flex-shrink: 0;
}
.fundador__attrs li:hover { padding-left: 0.75rem; color: var(--c-gold-soft); }

@media (max-width: 900px) {
    .fundador__grid { grid-template-columns: 1fr; }
    .fundador__media { max-width: 420px; margin: 0 auto; }
}

/* ==== 10. SECCIÓN — LIBRO =================================== */
.section--libro {
    background: var(--c-black);
    position: relative;
    overflow: hidden;
}
.section--libro::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 50% at 80% 50%, var(--c-gold-glow), transparent 60%);
    opacity: 0.5;
    pointer-events: none;
}
.libro__wrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
    position: relative;
    z-index: 1;
}
.libro__content { padding-right: clamp(0px, 3vw, 2rem); }
.libro__title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    line-height: 1;
}
.libro__copy {
    font-family: var(--ff-display);
    font-size: clamp(1.15rem, 1.8vw, 1.4rem);
    line-height: 1.55;
    color: var(--c-text);
    margin-bottom: 2rem;
    max-width: 540px;
    font-weight: 300;
}
.libro__points {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    padding: 1.25rem 0;
}
.libro__points li {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--c-gold);
    letter-spacing: 0.04em;
    position: relative;
    padding-right: 2rem;
}
.libro__points li:not(:last-child)::after {
    content: '·';
    position: absolute;
    right: 0;
    color: var(--c-text-mute);
}

.libro__visual {
    display: grid;
    place-items: center;
    position: relative;
}
.libro__cover-wrap {
    position: relative;
    width: clamp(240px, 26vw, 360px);
    aspect-ratio: 700/1052;
    transform: perspective(1800px) rotateY(-10deg) rotateX(2deg);
    transition: transform 1.2s var(--ease-out);
}
.libro__cover-wrap:hover {
    transform: perspective(1800px) rotateY(-4deg) rotateX(1deg) translateY(-4px);
}
.libro__cover-img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 2px;
    box-shadow:
        -3px 0 0 rgba(20, 20, 22, 0.9),
        -6px 0 0 rgba(40, 35, 28, 0.6),
        -10px 12px 40px rgba(0, 0, 0, 0.75),
        -25px 30px 80px rgba(201, 169, 106, 0.2),
        0 0 0 1px rgba(201, 169, 106, 0.15);
    z-index: 2;
}
.libro__cover-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(
        ellipse at center,
        rgba(201, 169, 106, 0.18) 0%,
        rgba(201, 169, 106, 0.05) 40%,
        transparent 70%
    );
    filter: blur(30px);
    z-index: 1;
    pointer-events: none;
    animation: libroGlow 6s ease-in-out infinite;
}
@keyframes libroGlow {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

@media (max-width: 900px) {
    .libro__wrap { grid-template-columns: 1fr; gap: 3rem; }
    .libro__visual { order: -1; }
    .libro__cover-wrap { transform: none; width: clamp(220px, 60vw, 300px); }
    .libro__cover-wrap:hover { transform: translateY(-4px); }
}

/* ==== 11. SECCIÓN — LÍNEAS DE NEGOCIO ======================= */
.section--lineas {
    background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}
.lineas__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: var(--c-line);
    border: 1px solid var(--c-line);
    border-radius: 4px;
    overflow: hidden;
}
.linea-card {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--c-bg);
    transition: background 0.5s var(--ease-out), transform 0.4s;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}
.linea-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out);
}
.linea-card:hover {
    background: linear-gradient(160deg, var(--c-bg-3) 0%, var(--c-bg) 100%);
}
.linea-card:hover::before { transform: scaleX(1); }
.linea-card__num {
    position: absolute;
    top: 1.5rem;
    right: 1.75rem;
    font-family: var(--ff-display);
    font-size: 0.85rem;
    color: var(--c-text-mute);
    letter-spacing: 0.1em;
}
.linea-card__icon {
    width: 44px;
    height: 44px;
    margin-bottom: 1.5rem;
    color: var(--c-gold);
    transition: transform 0.5s var(--ease-out), color 0.4s;
}
.linea-card:hover .linea-card__icon {
    transform: translateY(-3px) rotate(-3deg);
    color: var(--c-gold-soft);
}
.linea-card__icon svg { width: 100%; height: 100%; }
.linea-card h3 {
    font-family: var(--ff-display);
    font-size: 1.45rem;
    font-weight: 500;
    margin-bottom: 0.85rem;
    line-height: 1.2;
    color: var(--c-text);
    letter-spacing: -0.005em;
}
.linea-card p {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--c-text-soft);
    flex-grow: 1;
}

.linea-card--featured {
    background: linear-gradient(160deg, var(--c-bg-3), var(--c-bg));
}
.linea-card--featured::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle at top right, var(--c-gold-glow), transparent 70%);
    pointer-events: none;
}

.linea-card--cyber {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--c-bg-3) 0%, var(--c-bg) 60%, rgba(201, 169, 106, 0.04) 100%);
    border-top: 1px solid var(--c-gold-deep) !important;
}
.cyber-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--c-line);
}
.cyber-tags span {
    padding: 0.4rem 0.85rem;
    background: rgba(201, 169, 106, 0.06);
    border: 1px solid rgba(201, 169, 106, 0.2);
    color: var(--c-gold-soft);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    border-radius: 2px;
    transition: background 0.3s, color 0.3s, transform 0.3s;
}
.cyber-tags span:hover {
    background: rgba(201, 169, 106, 0.12);
    color: var(--c-text);
    transform: translateY(-1px);
}

@media (max-width: 900px) {
    .linea-card--cyber { grid-column: span 1; }
}

/* ==== 12. SECCIÓN — PROYECTOS =============================== */
.section--proyectos {
    background: var(--c-black);
}
.proyectos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.proyecto-card {
    position: relative;
    padding: 2.5rem 2rem;
    background: linear-gradient(160deg, rgba(255,255,255,0.03), rgba(255,255,255,0.005));
    border: 1px solid var(--c-line);
    border-radius: 4px;
    transition: transform 0.5s var(--ease-out), border-color 0.4s, background 0.4s;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
}
.proyecto-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, var(--c-gold-glow), transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
.proyecto-card:hover {
    transform: translateY(-6px);
    border-color: var(--c-gold-deep);
    background: linear-gradient(160deg, rgba(201, 169, 106, 0.05), rgba(255,255,255,0.005));
}
.proyecto-card:hover::before { opacity: 1; }
.proyecto-card__cat {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--c-gold-deep);
}
.proyecto-card__name {
    font-family: var(--ff-display);
    font-size: 1.85rem;
    font-weight: 500;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--c-text);
    letter-spacing: -0.005em;
    position: relative;
    z-index: 1;
}
.proyecto-card__desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--c-text-soft);
    position: relative;
    z-index: 1;
}
.proyecto-card__line {
    margin-top: 1.5rem;
    height: 1px;
    background: var(--c-line);
    position: relative;
    overflow: hidden;
}
.proyecto-card__line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--c-gold);
    transform: translateX(-100%);
    transition: transform 0.7s var(--ease-out);
}
.proyecto-card:hover .proyecto-card__line::after { transform: translateX(0); }

/* ==== 13. SECCIÓN — METODOLOGÍA ============================= */
.section--metodologia {
    background: linear-gradient(180deg, var(--c-bg-2) 0%, var(--c-bg) 100%);
    position: relative;
}
.metodologia__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    counter-reset: meto;
    border-top: 1px solid var(--c-line);
    border-left: 1px solid var(--c-line);
}
.metodologia__item {
    position: relative;
    padding: 2.5rem 2rem;
    border-right: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    transition: background 0.4s var(--ease-out);
    cursor: default;
}
.metodologia__item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--c-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out);
}
.metodologia__item:hover { background: rgba(201, 169, 106, 0.03); }
.metodologia__item:hover::before { transform: scaleX(1); }
.metodologia__step {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--c-gold);
    margin-bottom: 1.5rem;
    display: block;
    letter-spacing: 0.05em;
    transition: transform 0.5s var(--ease-out);
}
.metodologia__item:hover .metodologia__step { transform: translateX(4px); }
.metodologia__item h3 {
    font-family: var(--ff-sans);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 0.7rem;
    color: var(--c-text);
}
.metodologia__item p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--c-text-soft);
}

@media (max-width: 1024px) { .metodologia__list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .metodologia__list { grid-template-columns: 1fr; } }

/* ==== 14. SECCIÓN — CONTACTO ================================ */
.section--contacto {
    background: var(--c-black);
    position: relative;
}
.section--contacto::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 0% 0%, var(--c-gold-glow), transparent 60%);
    opacity: 0.5;
    pointer-events: none;
}
.contacto__grid {
    display: grid;
    grid-template-columns: 0.85fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    position: relative;
    z-index: 1;
    align-items: start;
}
.contacto__intro { padding-top: 0.5rem; }
.contacto__copy {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--c-text-soft);
    margin-bottom: 2.5rem;
    max-width: 480px;
}
.contacto__info {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--c-line);
}
.contacto__info li {
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--c-line);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.contacto__info-label {
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-text-mute);
}
.contacto__info a, .contacto__info span {
    font-family: var(--ff-display);
    font-size: 1.2rem;
    color: var(--c-text);
    transition: color 0.3s;
}
.contacto__info a:hover { color: var(--c-gold); }

/* Form */
.form {
    background: linear-gradient(160deg, rgba(255,255,255,0.025), rgba(255,255,255,0.005));
    border: 1px solid var(--c-line);
    border-radius: 4px;
    padding: clamp(1.75rem, 3vw, 2.5rem);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.form__field {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.form__field label {
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-text-mute);
    font-weight: 500;
}
.form__field input,
.form__field textarea,
.form__field select {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--c-line);
    border-radius: 2px;
    padding: 0.95rem 1rem;
    color: var(--c-text);
    font-size: 0.95rem;
    font-family: var(--ff-sans);
    font-weight: 300;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
    width: 100%;
}
.form__field textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.form__field select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23c9a96a' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}
.form__field select option { background: var(--c-bg-2); color: var(--c-text); }
.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
    outline: none;
    border-color: var(--c-gold);
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.1);
}
.form__field input:user-invalid,
.form__field textarea:user-invalid,
.form__field select:user-invalid { border-color: #c75252; }

.form__honey { position: absolute; left: -9999px; top: -9999px; }

.form__submit {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.form__btn { align-self: flex-start; }
.form__btn[disabled] { opacity: 0.6; cursor: progress; }
.form__note {
    font-size: 0.78rem;
    color: var(--c-text-mute);
    line-height: 1.55;
    max-width: 460px;
}

.form__feedback {
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: padding 0.3s;
}
.form__feedback.is-success {
    color: #6dd5a8;
    padding: 1rem 1.25rem;
    background: rgba(109, 213, 168, 0.08);
    border: 1px solid rgba(109, 213, 168, 0.25);
    border-radius: 2px;
}
.form__feedback.is-error {
    color: #e88a8a;
    padding: 1rem 1.25rem;
    background: rgba(232, 138, 138, 0.08);
    border: 1px solid rgba(232, 138, 138, 0.25);
    border-radius: 2px;
}

@media (max-width: 900px) {
    .contacto__grid { grid-template-columns: 1fr; }
    .form__row { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ==== 15. FOOTER ============================================ */
.footer {
    background: var(--c-black);
    border-top: 1px solid var(--c-line);
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}
.footer__top { padding: clamp(4rem, 7vw, 6rem) 0 4rem; }
.footer__container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
}
.footer__container--row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__brand { padding-right: 1rem; }
.footer__mark {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--c-gold), var(--c-gold-deep));
    color: var(--c-black);
    font-family: var(--ff-display);
    font-size: 1.7rem;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 1.25rem;
    line-height: 1;
}
.footer__brand h3 {
    font-family: var(--ff-sans);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    margin-bottom: 0.85rem;
    color: var(--c-text);
}
.footer__brand p {
    font-size: 0.92rem;
    color: var(--c-text-soft);
    line-height: 1.6;
    max-width: 280px;
}

.footer__col h4 {
    font-family: var(--ff-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 1.5rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__col a, .footer__col li {
    font-size: 0.93rem;
    color: var(--c-text-soft);
    transition: color 0.3s;
}
.footer__col a:hover { color: var(--c-gold); }

.footer__bottom {
    padding: 1.75rem 0;
    border-top: 1px solid var(--c-line);
}
.footer__bottom p {
    font-size: 0.82rem;
    color: var(--c-text-mute);
    letter-spacing: 0.04em;
}
.footer__legal { color: var(--c-text-mute) !important; }

@media (max-width: 900px) {
    .footer__container {
        grid-template-columns: 1fr 1fr;
    }
    .footer__brand { grid-column: span 2; }
}
@media (max-width: 560px) {
    .footer__container { grid-template-columns: 1fr; }
    .footer__brand { grid-column: span 1; }
    .footer__container--row { justify-content: flex-start; }
}

/* ==== 16. WHATSAPP FAB ====================================== */
.whatsapp-fab {
    position: fixed;
    bottom: clamp(1rem, 3vw, 2rem);
    right: clamp(1rem, 3vw, 2rem);
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25D366;
    color: white;
    display: grid;
    place-items: center;
    z-index: 999;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.35);
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
}
.whatsapp-fab:hover {
    transform: scale(1.06) translateY(-2px);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}
.whatsapp-fab__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    opacity: 0.5;
    animation: pulse 2s ease-out infinite;
    z-index: -1;
}
@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* ==== 17. ANIMACIONES DE REVELADO =========================== */
.reveal, .reveal-up {
    opacity: 0;
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
    transition-delay: var(--d, 0s);
    will-change: opacity, transform;
}
.reveal-up { transform: translateY(36px); }
.reveal.is-visible, .reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==== 18. ACCESIBILIDAD ===================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal, .reveal-up { opacity: 1 !important; transform: none !important; }
    .preloader { display: none !important; }
}

:focus-visible {
    outline: 2px solid var(--c-gold);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ==== 19. RESPONSIVE FINE-TUNES ============================ */
@media (max-width: 768px) {
    :root { --section-pad: clamp(4rem, 12vw, 6rem); }
    .hero { min-height: auto; padding: 7rem var(--gutter) 5rem; }
    .hero__title { font-size: clamp(3rem, 16vw, 5rem); }
    .hero__copy { font-size: clamp(1.25rem, 5vw, 1.7rem); }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__actions .btn { justify-content: center; }
    .nav__container { gap: 1rem; }
    .nav__brand-name { font-size: 0.8rem; }
}

@media (max-width: 420px) {
    .nav__brand-name { display: none; }
    .hero__meta { grid-template-columns: 1fr; gap: 1.25rem; }
    .libro__points { gap: 1rem; }
    .libro__points li { padding-right: 1.25rem; }
}