/* ==========================================================================
   Estudio Iraizoz – estilos
   ========================================================================== */

:root {
    --verde: #17938b;
    --verde-hover: #117a73;
    --verde-oscuro: #0f4f4b;
    --verde-noche: #0a3533;
    --verde-claro: #e8f5f3;
    --texto: #3a4543;
    --texto-suave: #66726f;
    --titulo: #11302e;
    --borde: #dbe7e5;
    --blanco: #fff;
    --fondo: #fff;

    --radio: 14px;
    --radio-sm: 10px;
    --sombra: 0 10px 30px -12px rgba(15, 79, 75, .25);
    --sombra-sm: 0 4px 14px -6px rgba(15, 79, 75, .2);
    --fuente-titulos: 'Montserrat', system-ui, sans-serif;
    --fuente-texto: 'Inter', system-ui, sans-serif;
    --header-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--fuente-texto);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--texto);
    background: var(--fondo);
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--verde); text-decoration: none; }
a:hover { color: var(--verde-hover); }
h1, h2, h3 { font-family: var(--fuente-titulos); color: var(--titulo); line-height: 1.2; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 700; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
abbr { text-decoration: none; }

.ico { width: 1.25em; height: 1.25em; flex-shrink: 0; }

.contenedor { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.contenedor--angosto { max-width: 820px; }

.saltar { position: absolute; left: -999px; top: 8px; background: var(--verde-oscuro); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 200; }
.saltar:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--verde); outline-offset: 2px; }

/* ---------- Botones ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .55em;
    padding: .85em 1.5em; border-radius: 999px; border: 2px solid transparent;
    font-family: var(--fuente-titulos); font-weight: 600; font-size: .95rem;
    cursor: pointer; transition: background .2s, color .2s, transform .2s, box-shadow .2s, border-color .2s;
    white-space: nowrap;
}
.btn .ico { width: 1.1em; height: 1.1em; }
.btn:hover { transform: translateY(-2px); }
.btn--primario { background: var(--verde); color: #fff; box-shadow: var(--sombra-sm); }
.btn--primario:hover { background: var(--verde-hover); color: #fff; }
.btn--claro { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.6); backdrop-filter: blur(4px); }
.btn--claro:hover { background: #fff; color: var(--verde-oscuro); }
.btn--linea { border-color: var(--verde); color: var(--verde); }
.btn--linea:hover { background: var(--verde); color: #fff; }
.btn--bloque { width: 100%; }

.etiqueta {
    display: inline-flex; align-items: center; gap: .4em;
    font-family: var(--fuente-titulos); font-size: .78rem; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase; color: var(--verde);
    margin-bottom: .9rem;
}
.etiqueta::before { content: ''; width: 24px; height: 2px; background: currentColor; }
.etiqueta--clara { color: #9fe0d9; }

/* ---------- Header ---------- */
.header {
    position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
    background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent; transition: box-shadow .3s, border-color .3s;
}
.header.scroll { box-shadow: 0 6px 20px -12px rgba(0,0,0,.25); border-color: var(--borde); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.header__logo img { height: 46px; width: auto; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { color: var(--titulo); font-family: var(--fuente-titulos); font-weight: 600; font-size: .92rem; position: relative; }
.nav a:not(.btn)::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--verde); transition: width .25s; }
.nav a:not(.btn):hover::after, .nav a.actual::after { width: 100%; }
.nav__cta { padding: .6em 1.2em; }

.header__toggle { display: none; background: none; border: 0; color: var(--verde-oscuro); padding: 8px; cursor: pointer; }
.header__toggle .ico { width: 28px; height: 28px; }
.header__toggle .ico--cerrar { display: none; }

@media (max-width: 960px) {
    .header__toggle { display: block; }
    .nav {
        position: fixed; top: var(--header-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: #fff; padding: 12px 20px 24px; box-shadow: 0 20px 30px -20px rgba(0,0,0,.3);
        transform: translateY(-120%); opacity: 0; visibility: hidden; transition: transform .3s, opacity .3s, visibility .3s;
    }
    .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--borde); font-size: 1rem; }
    .nav a:not(.btn)::after { display: none; }
    .nav__cta { margin-top: 16px; }
    .nav-abierta .nav { transform: none; opacity: 1; visibility: visible; }
    .nav-abierta .header__toggle .ico--abrir { display: none; }
    .nav-abierta .header__toggle .ico--cerrar { display: block; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: min(92vh, 820px); display: flex; align-items: center;
    padding: calc(var(--header-h) + 60px) 0 80px; color: #fff; overflow: hidden; isolation: isolate;
}
.hero__fondo { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: -2; transform: scale(1.05); animation: zoom 18s ease-out forwards; }
.hero::before {
    content: ''; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(100deg, rgba(10,53,51,.95) 0%, rgba(15,79,75,.85) 45%, rgba(23,147,139,.35) 100%);
}
@keyframes zoom { to { transform: scale(1); } }
.hero__inner { max-width: 1200px; }
.hero h1 { color: #fff; max-width: 14ch; }
.hero__bajada { font-size: clamp(1.05rem, 1.8vw, 1.25rem); max-width: 56ch; opacity: .92; margin-bottom: 2rem; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Franja de confianza ---------- */
.confianza { position: relative; z-index: 2; margin-top: -48px; }
.confianza__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    background: #fff; border-radius: var(--radio); box-shadow: var(--sombra); padding: 8px;
}
.confianza__item { display: flex; gap: 14px; align-items: center; padding: 20px; }
.confianza__item + .confianza__item { border-left: 1px solid var(--borde); }
.confianza__item > .ico { width: 38px; height: 38px; padding: 8px; border-radius: 10px; background: var(--verde-claro); color: var(--verde); }
.confianza__item strong { display: block; font-family: var(--fuente-titulos); color: var(--titulo); font-size: .88rem; line-height: 1.3; }
.confianza__item span { font-size: .85rem; color: var(--texto-suave); }

@media (max-width: 960px) {
    .confianza__grid { grid-template-columns: 1fr 1fr; }
    .confianza__item:nth-child(3) { border-left: 0; }
    .confianza__item:nth-child(n+3) { border-top: 1px solid var(--borde); }
}
@media (max-width: 560px) {
    .confianza__grid { grid-template-columns: 1fr; }
    .confianza__item + .confianza__item { border-left: 0; border-top: 1px solid var(--borde); }
    .confianza__item { padding: 14px 12px; }
}

/* ---------- Secciones ---------- */
.seccion { padding: clamp(64px, 9vw, 110px) 0; }
.seccion--suave { background: var(--verde-claro); }
.encabezado { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.encabezado .etiqueta::after { content: ''; width: 24px; height: 2px; background: currentColor; }
.encabezado p { color: var(--texto-suave); font-size: 1.05rem; }

/* ---------- Tabs de perfiles ---------- */
.tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.tab {
    display: inline-flex; align-items: center; gap: .6em; padding: .8em 1.3em;
    border: 1.5px solid var(--borde); border-radius: 999px; background: #fff; color: var(--titulo);
    font-family: var(--fuente-titulos); font-weight: 600; font-size: .92rem; cursor: pointer; transition: all .2s;
}
.tab:hover { border-color: var(--verde); color: var(--verde); }
.tab.activo { background: var(--verde-oscuro); border-color: var(--verde-oscuro); color: #fff; box-shadow: var(--sombra-sm); }

.perfiles { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.perfiles__img img { border-radius: var(--radio); box-shadow: var(--sombra); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.panel { animation: aparecer .4s ease; }
.panel h3 { font-size: 1.6rem; margin-bottom: .3em; }
.panel__bajada { color: var(--texto-suave); font-size: 1.05rem; }
@keyframes aparecer { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.lista-check { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 12px; }
.lista-check li { display: flex; gap: 12px; align-items: flex-start; }
.lista-check .ico { width: 22px; height: 22px; padding: 4px; margin-top: 2px; border-radius: 50%; background: var(--verde-claro); color: var(--verde); stroke-width: 3; }
.lista-check--clara .ico { background: rgba(255,255,255,.15); color: #9fe0d9; }

@media (max-width: 860px) {
    .perfiles { grid-template-columns: 1fr; gap: 32px; }
    .perfiles__img { order: 2; }
}
@media (max-width: 560px) {
    .tabs { display: grid; grid-template-columns: 1fr 1fr; }
    .tab { justify-content: center; padding: .8em .6em; font-size: .85rem; border-radius: var(--radio-sm); }
}

/* ---------- Servicios ---------- */
.servicios { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.servicio {
    background: #fff; border-radius: var(--radio); padding: 28px 24px; border: 1px solid transparent;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.servicio:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: var(--borde); }
.servicio__ico {
    width: 52px; height: 52px; display: grid; place-items: center; border-radius: 12px; margin-bottom: 18px;
    background: linear-gradient(135deg, var(--verde), var(--verde-oscuro)); color: #fff;
}
.servicio__ico .ico { width: 26px; height: 26px; }
.servicio p { font-size: .93rem; color: var(--texto-suave); margin: 0; }
@media (max-width: 1024px) { .servicios { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .servicios { grid-template-columns: 1fr; } }

/* ---------- Comercio exterior ---------- */
.comex { display: grid; grid-template-columns: 1fr 1fr; background: var(--verde-noche); color: #d9ecea; }
.comex__img { background-size: cover; background-position: center; min-height: 420px; }
.comex__contenido { padding: clamp(48px, 7vw, 96px) clamp(20px, 6vw, 80px); max-width: 680px; }
.comex h2 { color: #fff; }
.comex .lista-check { margin: 28px 0 32px; }
.comex .lista-check li { color: #eef7f6; }
@media (max-width: 860px) {
    .comex { grid-template-columns: 1fr; }
    .comex__img { min-height: 260px; }
}

/* ---------- Dos columnas (Nosotros / CLO) ---------- */
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.dos-col__img { position: relative; }
.dos-col__img img { border-radius: var(--radio); box-shadow: var(--sombra); width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.dos-col__img::before {
    content: ''; position: absolute; inset: 24px -24px -24px 24px; border: 2px solid var(--verde); border-radius: var(--radio); z-index: -1; opacity: .4;
}
.dos-col--invertida .dos-col__img::before { inset: 24px 24px -24px -24px; }
.dos-col__img { isolation: isolate; }
.texto p { color: var(--texto); }
.tarjeta-flotante {
    position: absolute; left: -20px; bottom: 28px; background: #fff; padding: 16px 22px; border-radius: var(--radio-sm);
    box-shadow: var(--sombra); border-left: 4px solid var(--verde);
}
.tarjeta-flotante strong { display: block; font-family: var(--fuente-titulos); color: var(--titulo); }
.tarjeta-flotante span { font-size: .88rem; color: var(--texto-suave); }
.datos-mat { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.datos-mat li { display: flex; gap: 10px; align-items: center; font-weight: 500; color: var(--titulo); font-size: .95rem; }
.datos-mat .ico { color: var(--verde); }
.clo__nombre { font-family: var(--fuente-titulos); font-weight: 600; color: var(--verde); letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; margin-top: -.4em; }

@media (max-width: 860px) {
    .dos-col { grid-template-columns: 1fr; }
    .dos-col--invertida .dos-col__img { order: -1; }
    .tarjeta-flotante { left: 12px; bottom: 12px; }
    .dos-col__img::before { display: none; }
}

/* ---------- Pasos ---------- */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: paso; }
.paso { position: relative; text-align: center; padding: 12px 16px; }
.paso:not(:last-child)::after {
    content: ''; position: absolute; top: 44px; left: calc(50% + 48px); width: calc(100% - 96px + 24px); height: 2px;
    background: repeating-linear-gradient(90deg, var(--verde) 0 6px, transparent 6px 12px); opacity: .5;
}
.paso__ico { width: 64px; height: 64px; margin: 0 auto 18px; display: grid; place-items: center; border-radius: 50%; background: var(--verde-claro); color: var(--verde); }
.paso__ico .ico { width: 28px; height: 28px; }
.paso__num {
    position: absolute; top: 4px; left: calc(50% + 14px); width: 26px; height: 26px; border-radius: 50%;
    background: var(--verde-oscuro); color: #fff; font-family: var(--fuente-titulos); font-weight: 700; font-size: .8rem; display: grid; place-items: center; z-index: 1;
}
.paso p { color: var(--texto-suave); font-size: .93rem; }
@media (max-width: 860px) {
    .pasos { grid-template-columns: 1fr 1fr; }
    .paso::after { display: none; }
}
@media (max-width: 480px) { .pasos { grid-template-columns: 1fr; } }

/* ---------- CTA ---------- */
.cta { position: relative; padding: clamp(72px, 10vw, 120px) 0; color: #fff; text-align: center; overflow: hidden; isolation: isolate; }
.cta__fondo { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: -2; }
.cta::before { content: ''; position: absolute; inset: 0; background: rgba(10,53,51,.86); z-index: -1; }
.cta h2 { color: #fff; }
.cta p { font-size: 1.1rem; opacity: .9; margin-bottom: 2rem; }

/* ---------- FAQ ---------- */
.faqs { display: grid; gap: 12px; }
.faq { border: 1px solid var(--borde); border-radius: var(--radio-sm); background: #fff; transition: box-shadow .2s, border-color .2s; }
.faq[open] { box-shadow: var(--sombra-sm); border-color: var(--verde); }
.faq summary {
    list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 20px 24px; font-family: var(--fuente-titulos); font-weight: 600; color: var(--titulo);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { color: var(--verde); transition: transform .25s; }
.faq[open] summary .ico { transform: rotate(180deg); }
.faq p { padding: 0 24px 20px; margin: 0; color: var(--texto-suave); }

/* ---------- Contacto ---------- */
.contacto { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contacto__datos { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 18px; }
.contacto__datos li { display: flex; gap: 14px; align-items: flex-start; }
.contacto__datos li > .ico { width: 44px; height: 44px; padding: 11px; border-radius: 12px; background: #fff; color: var(--verde); box-shadow: var(--sombra-sm); }
.contacto__datos strong { display: block; font-family: var(--fuente-titulos); color: var(--titulo); font-size: .9rem; }
.contacto__datos span, .contacto__datos a { font-size: .95rem; word-break: break-word; }
.mapa { border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra-sm); aspect-ratio: 16/10; background: #d6e6e3; }
.mapa iframe { width: 100%; height: 100%; border: 0; display: block; }

.form { background: #fff; border-radius: var(--radio); padding: clamp(24px, 4vw, 40px); box-shadow: var(--sombra); display: grid; gap: 16px; }
.form h3 { font-size: 1.35rem; margin-bottom: 4px; }
.form label { display: grid; gap: 6px; font-size: .88rem; font-weight: 500; color: var(--titulo); }
.form input, .form select, .form textarea {
    font: inherit; font-size: 1rem; color: var(--texto); width: 100%; padding: .8em 1em;
    border: 1.5px solid var(--borde); border-radius: var(--radio-sm); background: #fbfdfd; transition: border-color .2s, box-shadow .2s;
}
.form textarea { resize: vertical; min-height: 130px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--verde); box-shadow: 0 0 0 4px rgba(23,147,139,.15); background: #fff; }
.form .invalido { border-color: #d64545; }
.form__fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__nota { font-size: .8rem; color: var(--texto-suave); text-align: center; margin: 0; }
.form__aviso { padding: 12px 16px; border-radius: var(--radio-sm); font-size: .93rem; }
.form__aviso--ok { background: #e3f6ee; color: #146c43; border: 1px solid #b5e3cc; }
.form__aviso--error { background: #fdecec; color: #a32020; border: 1px solid #f3c2c2; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn[disabled] { opacity: .7; pointer-events: none; }

@media (max-width: 900px) { .contacto { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form__fila { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--verde-noche); color: #b9d3d0; padding-top: 64px; font-size: .93rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer__marca img { background: #fff; padding: 10px 14px; border-radius: 10px; height: 64px; width: auto; margin-bottom: 18px; }
.footer__mat { font-size: .85rem; opacity: .8; }
.footer h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { color: #b9d3d0; }
.footer a:hover { color: #fff; }
.footer__contacto li { display: flex; gap: 10px; align-items: flex-start; }
.footer__contacto .ico { color: #6fcfc5; margin-top: 3px; width: 18px; height: 18px; }
.redes { display: flex; gap: 10px; margin-top: 18px; }
.redes a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.08); transition: background .2s; }
.redes a:hover { background: var(--verde); color: #fff; }
.redes .ico { width: 18px; height: 18px; }
.footer__base { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: .82rem; text-align: center; opacity: .7; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- WhatsApp flotante ---------- */
.wa-flotante {
    position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 58px; height: 58px; border-radius: 50%;
    background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 25px -8px rgba(0,0,0,.4);
    transition: transform .2s;
}
.wa-flotante:hover { transform: scale(1.08); color: #fff; }
.wa-flotante .ico { width: 30px; height: 30px; }

/* ---------- Animación al hacer scroll ---------- */
.js .revelar { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .revelar.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .js .revelar { opacity: 1; transform: none; }
}