/* =========================================================
   LIMPILLA — Bio-solución para la tunera canaria
   Estilo: naturaleza canaria — compacto, sólido, mobile-first
   ========================================================= */

:root {
    --c-verde-tunera: #6b9a5e;
    --c-verde-oscuro: #4e7241;
    --c-verde-pala: #7fa867;
    --c-verde-claro: #a8c293;
    --c-amarillo-aceite: #e8a53c;
    --c-amarillo-luz: #f4c542;
    --c-tierra: #2c1f17;
    --c-volcan: #1a1410;
    --c-arena: #f6f1e6;
    --c-arena-2: #ece4d2;
    --c-papel: #fbf8f1;
    --c-texto: #2a2620;
    --c-texto-suave: #58524a;

    --ff-display: "Fraunces", Georgia, serif;
    --ff-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

    --maxw: 1100px;
    --radius: 12px;
    --transition: 280ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* -------------------- Reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--ff-body);
    color: var(--c-texto);
    background: var(--c-papel);
    line-height: 1.55;
    font-size: 15.5px;
    -webkit-font-smoothing: antialiased;
}

img, video, canvas { max-width: 100%; display: block; }

a {
    color: var(--c-verde-oscuro);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--c-amarillo-aceite); }

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 1.75rem);
}

/* -------------------- Tipografía -------------------- */
.eyebrow {
    font-family: var(--ff-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-verde-oscuro);
    margin: 0 0 0.65rem;
    position: relative;
    padding-left: 32px;
}
.eyebrow::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 22px; height: 2px;
    background: var(--c-amarillo-aceite);
    transform: translateY(-50%);
}
.eyebrow--light { color: var(--c-amarillo-luz); }
.eyebrow--light::before { background: var(--c-amarillo-luz); }

.title {
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: clamp(1.7rem, 3.2vw, 2.4rem);
    line-height: 1.1;
    letter-spacing: -0.012em;
    margin: 0 0 0.9rem;
    max-width: 22ch;
}
.title--light { color: var(--c-arena); }

.lead {
    font-size: clamp(0.98rem, 1.1vw, 1.05rem);
    color: var(--c-texto-suave);
    max-width: 60ch;
    margin: 0 0 0.85rem;
}

/* -------------------- Navegación -------------------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem clamp(1.25rem, 4vw, 2.25rem);
    padding-top: calc(0.85rem + env(safe-area-inset-top, 0px));
    padding-left: calc(clamp(1.25rem, 4vw, 2.25rem) + env(safe-area-inset-left, 0px));
    padding-right: calc(clamp(1.25rem, 4vw, 2.25rem) + env(safe-area-inset-right, 0px));
    background: rgba(251, 248, 241, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(78, 114, 65, 0.10);
    min-height: calc(62px + env(safe-area-inset-top, 0px));
}
.nav::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -1px;
    transform: translateX(-50%);
    width: clamp(80px, 28%, 220px);
    height: 1.5px;
    background: linear-gradient(90deg, transparent, var(--c-amarillo-aceite) 50%, transparent);
    opacity: 0.55;
    pointer-events: none;
}

.nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--c-texto);
    text-decoration: none;
    min-width: 0;
    flex-shrink: 1;
    position: relative;
    isolation: isolate;
}
.nav__logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.08));
    transition: transform 380ms cubic-bezier(0.34, 1.4, 0.6, 1);
}
.nav__brand:hover .nav__logo,
.nav__brand:focus-visible .nav__logo {
    transform: rotate(-6deg) scale(1.05);
}
.nav__name {
    font-family: var(--ff-display);
    font-weight: 700;
    font-size: 1.18rem;
    line-height: 1;
    letter-spacing: -0.012em;
    white-space: nowrap;
    color: var(--c-tierra);
}
.nav__name::after {
    content: "·";
    margin-left: 0.4em;
    font-weight: 400;
    color: var(--c-amarillo-aceite);
    opacity: 0.9;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: clamp(1.1rem, 2.2vw, 2rem);
}
.nav__menu a {
    color: var(--c-texto-suave);
    font-weight: 500;
    font-size: 0.84rem;
    letter-spacing: 0.01em;
    position: relative;
    padding: 0.4rem 0.1rem;
    transition: color var(--transition);
}
.nav__menu a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0.05rem;
    transform: translateX(-50%) scale(0);
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--c-amarillo-aceite);
    transition: transform 320ms cubic-bezier(0.34, 1.5, 0.6, 1);
}
.nav__menu a:hover,
.nav__menu a:focus-visible {
    color: var(--c-tierra);
    outline: none;
}
.nav__menu a:hover::after,
.nav__menu a:focus-visible::after {
    transform: translateX(-50%) scale(1);
}

.nav__toggle {
    display: none;
    background: rgba(255,255,255,0.4);
    border: 1px solid rgba(78,114,65,0.12);
    border-radius: 10px;
    width: 42px; height: 42px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 0;
    flex-shrink: 0;
    transition: background var(--transition), border-color var(--transition);
}
.nav__toggle:hover {
    background: rgba(255,255,255,0.7);
    border-color: rgba(78,114,65,0.25);
}
.nav__toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-tierra);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav__menu.is-open ~ .nav__toggle span:nth-child(1),
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* -------------------- Hero -------------------- */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(70% 60% at 30% 30%, #2a4a2a 0%, transparent 70%),
        linear-gradient(170deg, #1f3320 0%, #0f1a10 100%);
}
.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: 0;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(15,26,16,0.10) 0%, rgba(15,26,16,0.45) 70%, rgba(15,26,16,0.85) 100%);
    pointer-events: none;
}
.hero__content {
    position: relative;
    z-index: 2;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(3rem, 8vh, 4.5rem) clamp(1rem, 3vw, 1.75rem);
    width: 100%;
}
.hero__logo {
    width: 110px; height: 110px;
    margin-bottom: 1.1rem;
    object-fit: contain;
    filter: drop-shadow(0 8px 22px rgba(0,0,0,0.45));
}
.hero__title {
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: clamp(1.9rem, 4.4vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.018em;
    max-width: 18ch;
    margin: 0 0 0.9rem;
    text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.hero__lead {
    font-size: clamp(1rem, 1.3vw, 1.12rem);
    max-width: 50ch;
    color: rgba(255,255,255,0.94);
    margin: 0 0 1.4rem;
}
.hero__lead em { color: var(--c-amarillo-luz); font-style: italic; }
.hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.4rem;
}
.hero__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.95rem 0.5rem 1rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--c-amarillo-luz);
    text-decoration: none;
    background: transparent;
    border: 1.5px solid var(--c-amarillo-aceite);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    transition: color var(--transition), background var(--transition), transform var(--transition);
}
.hero__chip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--c-amarillo-aceite);
    transform: translateY(101%);
    transition: transform var(--transition);
    z-index: 0;
}
.hero__chip > * { position: relative; z-index: 1; }
.hero__chip svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    transition: transform var(--transition);
}
.hero__chip:hover,
.hero__chip:focus-visible {
    color: var(--c-tierra);
    outline: none;
    transform: translateY(-1px);
}
.hero__chip:hover::before,
.hero__chip:focus-visible::before {
    transform: translateY(0);
}
.hero__chip:hover svg,
.hero__chip:focus-visible svg {
    transform: translate(2px, -2px);
}

/* -------------------- Instagram -------------------- */
.ig {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(0, 1.4fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}
.ig__intro .lead { margin-bottom: 1.2rem; }
.ig__handle {
    color: var(--c-verde-oscuro);
    font-weight: 700;
    border-bottom: 1.5px solid currentColor;
    padding-bottom: 1px;
}
.ig__handle:hover { color: var(--c-amarillo-aceite); }
.ig__follow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.7rem 1.2rem;
    font-weight: 600;
    font-size: 0.92rem;
    color: #fff;
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(220, 39, 67, 0.25);
    transition: transform var(--transition), box-shadow var(--transition);
}
.ig__follow:hover,
.ig__follow:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(220, 39, 67, 0.35);
    color: #fff;
    outline: none;
}
.ig__follow svg { width: 18px; height: 18px; }
.ig__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
}
.ig__post {
    display: block;
    position: relative;
    aspect-ratio: 1 / 1;
    width: 100%;
    overflow: hidden;
    border-radius: 8px;
    text-decoration: none;
    color: #fff;
    isolation: isolate;
}
.ig__post-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.ig__post-bg--1 { background-image: url('../img/laboratorio-destilacion.jpg'); }
.ig__post-bg--2 { background-image: url('../img/equipo-completo.jpg'); }
.ig__post-bg--3 { background-image: url('../img/poster/poster-limpilla-media.jpg'); }
.ig__post-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: linear-gradient(135deg, rgba(240, 148, 51, 0.55), rgba(188, 24, 136, 0.7));
    color: #fff;
    opacity: 0;
    transition: opacity var(--transition);
    text-align: center;
    padding: 0.8rem;
}
.ig__post-overlay svg { width: 28px; height: 28px; }
.ig__post-overlay span { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em; }
.ig__post:hover .ig__post-overlay,
.ig__post:focus-visible .ig__post-overlay {
    opacity: 1;
}
.ig__post:hover .ig__post-bg,
.ig__post:focus-visible .ig__post-bg {
    transform: scale(1.06);
}
.hero__scroll {
    position: absolute;
    left: 50%;
    bottom: 1.5rem;
    transform: translateX(-50%);
    width: 24px; height: 38px;
    border: 2px solid rgba(255,255,255,0.65);
    border-radius: 12px;
    display: block;
    z-index: 2;
}
.hero__scroll span {
    display: block;
    width: 3px; height: 7px;
    margin: 7px auto 0;
    background: rgba(255,255,255,0.85);
    border-radius: 2px;
    animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
    0%   { transform: translateY(0); opacity: 1; }
    60%  { transform: translateY(12px); opacity: 0; }
    61%  { transform: translateY(0); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

/* -------------------- Secciones genéricas -------------------- */
.section {
    padding: clamp(2.5rem, 6vh, 4rem) 0;
}
.section--alt {
    background: var(--c-arena);
}
.section--dark {
    background:
        radial-gradient(120% 80% at 20% 0%, rgba(107,154,94,0.18), transparent 60%),
        var(--c-volcan);
    color: var(--c-arena);
}
.section--dark .lead { color: rgba(246, 241, 230, 0.78); }

/* -------------------- Problema (galería) -------------------- */
.problema-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 0.75rem;
    margin-top: 1.5rem;
}
.problema-grid__item {
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--c-arena-2);
    cursor: zoom-in;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    transition: transform var(--transition), box-shadow var(--transition);
}
.problema-grid__item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.14);
}
.problema-grid__item--big {
    grid-row: span 2;
    aspect-ratio: 3 / 4;
}
.problema-grid__item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 600ms ease;
}
.problema-grid__item:hover img { transform: scale(1.04); }
.problema-grid__item figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 1.1rem 0.85rem 0.7rem;
    color: #fff;
    font-size: 0.78rem;
    background: linear-gradient(0deg, rgba(0,0,0,0.7), transparent);
}
.problema-grid__item figcaption em { color: var(--c-amarillo-luz); }

/* -------------------- Plantas (colores sólidos) -------------------- */
.plantas {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}
.planta {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.04);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}
.planta:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 32px rgba(0,0,0,0.1);
}
.planta__media {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.planta__media svg {
    width: 80px; height: 80px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.18));
}
.planta__media--laurel  { background: var(--c-verde-oscuro); }
.planta__media--ruda    { background: var(--c-verde-tunera); }
.planta__media--ajenjo  { background: var(--c-verde-pala); }

.planta h3 {
    font-family: var(--ff-display);
    font-size: 1.25rem;
    margin: 1rem 1.1rem 0.15rem;
    color: var(--c-verde-oscuro);
}
.planta__sci {
    margin: 0 1.1rem 0.4rem;
    color: var(--c-texto-suave);
    font-size: 0.85rem;
}
.planta p:last-child {
    margin: 0 1.1rem 1.1rem;
    color: var(--c-texto-suave);
    font-size: 0.88rem;
}

/* -------------------- Parallax break -------------------- */
.parallax {
    position: relative;
    height: 38vh;
    min-height: 280px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.parallax__img {
    position: absolute;
    inset: -10% 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
}
.parallax::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.55) 100%);
    z-index: 1;
}
.parallax__quote {
    position: relative;
    z-index: 2;
    font-family: var(--ff-display);
    font-style: italic;
    font-size: clamp(1.1rem, 2.3vw, 1.6rem);
    color: #fff;
    text-align: center;
    max-width: 30ch;
    padding: 0 1.5rem;
    margin: 0;
    text-shadow: 0 2px 12px rgba(0,0,0,0.5);
    line-height: 1.35;
}

/* -------------------- Metodología -------------------- */
.metodo {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: clamp(1.25rem, 3vw, 2rem);
    align-items: start;
    margin-top: 1.75rem;
}
.metodo__media {
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    position: sticky;
    top: 4rem;
    cursor: zoom-in;
    box-shadow: 0 8px 26px rgba(0,0,0,0.4);
}
.metodo__media img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}
.metodo__media figcaption {
    padding: 0.65rem 0.85rem;
    background: rgba(0,0,0,0.4);
    color: var(--c-arena);
    font-size: 0.8rem;
    text-align: center;
}
.metodo__pasos {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.metodo__pasos li {
    background: rgba(255,255,255,0.04);
    border-left: 3px solid var(--c-amarillo-luz);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 0.95rem 1.1rem;
    transition: background var(--transition), border-color var(--transition);
}
.metodo__pasos li:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--c-verde-pala);
}
.metodo__num {
    display: inline-block;
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: 0.82rem;
    color: var(--c-amarillo-luz);
    letter-spacing: 0.1em;
    margin-bottom: 0.2rem;
}
.metodo__pasos h3 {
    font-family: var(--ff-display);
    font-size: 1.15rem;
    margin: 0 0 0.25rem;
    color: var(--c-arena);
}
.metodo__pasos p {
    margin: 0;
    color: rgba(246, 241, 230, 0.78);
    font-size: 0.88rem;
}

/* -------------------- Equipo -------------------- */
.equipo {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin: 1.75rem 0 2rem;
    align-items: center;
}
.equipo__foto {
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--c-arena-2);
    cursor: zoom-in;
    box-shadow: 0 6px 22px rgba(0,0,0,0.1);
    aspect-ratio: 4 / 3;
    position: relative;
}
.equipo__foto--big { aspect-ratio: 4 / 3; }
.equipo__foto img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 30%;
    transition: transform 600ms ease;
}
.equipo__foto:hover img { transform: scale(1.03); }
.equipo__foto figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 1.1rem 0.85rem 0.7rem;
    color: #fff;
    font-size: 0.78rem;
    background: linear-gradient(0deg, rgba(0,0,0,0.7), transparent);
}

.autores {
    border-top: 1px solid rgba(0,0,0,0.08);
    padding-top: 1.4rem;
}
.autores__title {
    font-family: var(--ff-display);
    font-size: 1.15rem;
    color: var(--c-verde-oscuro);
    margin: 0 0 0.85rem;
}
.autores__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.7rem 1rem;
}
.autores__list li {
    padding: 0.7rem 0.85rem;
    background: #fff;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.autores__list strong { color: var(--c-texto); font-weight: 600; font-size: 0.92rem; }
.autores__list span { color: var(--c-texto-suave); font-size: 0.78rem; }

/* -------------------- Materiales -------------------- */
.materiales {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}
.material {
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,0.07);
}
.material--video video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    object-fit: cover;
}
.material--poster {
    grid-column: span 2;
    background: var(--c-tierra);
    color: var(--c-arena);
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
}
.material--poster a {
    display: block;
    overflow: hidden;
    background: #000;
    aspect-ratio: 4 / 3;
}
.material--poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms ease;
}
.material--poster a:hover img { transform: scale(1.03); }
.material--poster figcaption {
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.6rem;
    font-family: var(--ff-display);
    font-size: 1.15rem;
    color: var(--c-arena);
}
.material__link {
    font-family: var(--ff-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-amarillo-luz);
    align-self: flex-start;
    border-bottom: 2px solid var(--c-amarillo-luz);
    padding-bottom: 2px;
}
.material__link:hover { color: #fff; border-color: #fff; }
.material:not(.material--poster) figcaption {
    padding: 0.7rem 0.95rem;
    font-size: 0.84rem;
    color: var(--c-texto-suave);
}

/* -------------------- CTA -------------------- */
.cta {
    background: var(--c-verde-oscuro);
    color: #fff;
    padding: clamp(2.5rem, 6vh, 3.5rem) 0;
    text-align: center;
}
.cta h2 {
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin: 0 0 0.7rem;
}
.cta p {
    max-width: 56ch;
    margin: 0 auto;
    color: rgba(255,255,255,0.92);
    font-size: 0.95rem;
}

/* -------------------- Footer -------------------- */
.footer {
    background: var(--c-volcan);
    color: rgba(246, 241, 230, 0.7);
    padding: 1.75rem 0 1.1rem;
}
.footer__inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem 2rem;
    align-items: center;
}
.footer__brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}
.footer__brand img { width: 48px; height: 48px; object-fit: contain; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25)); }
.footer__brand p {
    margin: 0;
    font-family: var(--ff-display);
    font-size: 0.98rem;
    color: var(--c-arena);
}
.footer__meta p {
    margin: 0.1rem 0;
    font-size: 0.8rem;
}
.footer__copy {
    text-align: center;
    margin: 1.4rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.74rem;
    color: rgba(246, 241, 230, 0.5);
}

/* -------------------- Lightbox -------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 8, 6, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 220ms ease, visibility 220ms;
    z-index: 1000;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img {
    max-width: 92vw;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}
.lightbox__caption {
    color: var(--c-arena);
    margin: 0.85rem 0 0;
    font-size: 0.9rem;
    text-align: center;
}
.lightbox__close {
    position: absolute;
    top: 1rem; right: 1.1rem;
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 0;
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    transition: background var(--transition);
}
.lightbox__close:hover { background: rgba(255,255,255,0.25); }

/* -------------------- Animación de aparición -------------------- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* -------------------- Responsive (Tablet) -------------------- */
@media (max-width: 900px) {
    .nav {
        padding: 0.7rem 1.1rem;
        padding-top: calc(0.7rem + env(safe-area-inset-top, 0px));
        padding-left: calc(1.1rem + env(safe-area-inset-left, 0px));
        padding-right: calc(1.1rem + env(safe-area-inset-right, 0px));
    }
    .nav__menu {
        position: fixed;
        top: calc(62px + env(safe-area-inset-top, 0px));
        left: 0; right: 0;
        background: var(--c-papel);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem 1.5rem 1.1rem;
        border-bottom: 1px solid rgba(78,114,65,0.10);
        transform: translateY(-130%);
        transition: transform var(--transition);
        box-shadow: 0 12px 24px rgba(0,0,0,0.10);
    }
    .nav__menu.is-open { transform: translateY(0); }
    .nav__menu a {
        padding: 0.85rem 0;
        border-bottom: 1px solid rgba(78,114,65,0.08);
        font-size: 1rem;
        font-family: var(--ff-display);
        font-weight: 600;
        color: var(--c-tierra);
        letter-spacing: -0.005em;
    }
    .nav__menu a::after { display: none; }
    .nav__menu a:last-child { border-bottom: 0; }
    .nav__toggle { display: flex; }

    .problema-grid { grid-template-columns: 1fr 1fr; }
    .problema-grid__item--big {
        grid-column: span 2;
        grid-row: auto;
        aspect-ratio: 16 / 10;
    }
    .plantas { grid-template-columns: 1fr 1fr; }
    .metodo { grid-template-columns: 1fr; }
    .metodo__media { position: static; }
    .metodo__media img { aspect-ratio: 4 / 3; }
    .equipo { grid-template-columns: 1fr; }
    .equipo__foto, .equipo__foto--big { aspect-ratio: 16 / 10; }
    .materiales { grid-template-columns: 1fr; }
    .material--poster {
        grid-column: auto;
        grid-template-columns: 1fr;
    }
    .ig {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .footer__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer__brand { justify-content: center; }
}

/* -------------------- Responsive (Móvil) -------------------- */
@media (max-width: 600px) {
    body { font-size: 15px; }

    .nav__logo { width: 36px; height: 36px; }
    .nav__name { font-size: 1.05rem; }
    .nav__toggle { width: 40px; height: 40px; }

    .hero { min-height: 80vh; }
    .hero__logo { width: 88px; height: 88px; }
    .hero__title { font-size: clamp(1.7rem, 7.5vw, 2.4rem); }
    .hero__lead { font-size: 0.98rem; }
    .hero__chip { font-size: 0.74rem; padding: 0.42rem 0.8rem; }
    .hero__chip svg { width: 11px; height: 11px; }

    .ig__grid { gap: 0.4rem; }
    .ig__post-overlay svg { width: 24px; height: 24px; }
    .ig__post-overlay span { font-size: 0.72rem; }

    .section { padding: 2.2rem 0; }
    .title { font-size: clamp(1.55rem, 6.5vw, 2rem); }
    .lead { font-size: 0.96rem; }

    .problema-grid { grid-template-columns: 1fr; gap: 0.6rem; }
    .problema-grid__item, .problema-grid__item--big { aspect-ratio: 16 / 10; }
    .problema-grid__item--big { grid-column: auto; }

    .plantas { grid-template-columns: 1fr; }
    .planta__media { height: 110px; }
    .planta__media svg { width: 64px; height: 64px; }

    .parallax { height: 32vh; min-height: 220px; }
    /* Fixed background tiembla en iOS Safari → desactivar */
    .parallax__img { background-attachment: scroll; }

    .metodo__pasos li { padding: 0.85rem 1rem; }
    .equipo__foto, .equipo__foto--big { aspect-ratio: 4 / 3; }
    .material--video video { aspect-ratio: 16 / 9; }

    .cta { padding: 2.2rem 0; }
    .footer { padding: 1.4rem 0 1rem; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}