/* =========================================================
   ÓPTICA 18 — Estilos generales
   Paleta inspirada en el isologo: verde agua + negro + blanco
   ========================================================= */


:root {
    --teal: #7BC9C0;
    --teal-dark: #4FA79D;
    --teal-light: #C9EAE6;
    --black: #0d0d0d;
    --cream: #FAF9F6;
    --white: #ffffff;
    --gray: #8a8f8e;
    --pink: #e8a5c4;
    --danger: #d9534f;
    --shadow: 0 10px 30px rgba(13,13,13,0.08);
    --radius: 16px;
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Poppins', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--black);
    background: var(--cream);
    overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------------- Reveal animation on scroll (staggered per parent group via --i) ---------------- */
.reveal {
    opacity: 0;
    transform: translateY(28px) scale(.97);
    transition: opacity .7s cubic-bezier(.19,1,.22,1), transform .7s cubic-bezier(.19,1,.22,1);
    transition-delay: calc(var(--i, 0) * 80ms);
}
.reveal.is-visible { opacity: 1; transform: translateY(0) scale(1); }

/* ---------------- Word-roll reveal for section titles ---------------- */
.split-words .word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.split-words .word > span {
    display: inline-block; transform: translateY(112%);
    transition: transform .85s cubic-bezier(.19,1,.22,1);
    transition-delay: calc(var(--i, 0) * 55ms);
}
.split-words.in-view .word > span { transform: translateY(0); }

/* ---------------- Opening loader / intro curtain ---------------- */
.loader { position: fixed; inset: 0; z-index: 4000; pointer-events: none; }
.loader.exit { pointer-events: none; }
.loader-panel {
    position: fixed; top: 0; width: 50%; height: 100%; background: var(--black); z-index: 4001;
    transition: transform 1s cubic-bezier(.76,0,.16,1);
}
.loader-panel::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at center, rgba(123,201,192,.14), transparent 65%);
}
.loader-panel-l { left: 0; border-right: 1px solid rgba(123,201,192,.15); }
.loader-panel-r { right: 0; border-left: 1px solid rgba(123,201,192,.15); }
.loader.exit .loader-panel-l { transform: translateX(-101%); }
.loader.exit .loader-panel-r { transform: translateX(101%); }

.loader-content {
    position: fixed; inset: 0; z-index: 4003; pointer-events: none;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
    transition: opacity .5s ease, transform .7s cubic-bezier(.19,1,.22,1);
}
.loader.exit .loader-content { opacity: 0; transform: scale(1.22); }

.loader-beam {
    position: fixed; top: 50%; left: 50%; width: 0; height: 1px; background: var(--teal);
    transform: translate(-50%, -50%); z-index: 4002; opacity: .9;
    box-shadow: 0 0 24px 1px rgba(123,201,192,.9);
    transition: width .55s cubic-bezier(.22,1,.36,1), opacity .4s ease .35s;
}
.loader.exit .loader-beam { width: 150vw; opacity: 0; }

.loader-badge svg { width: 92px; overflow: visible; }
.loader-badge .lstroke { stroke-dasharray: 80; stroke-dashoffset: 80; animation: drawStroke 1s cubic-bezier(.65,0,.35,1) forwards; }
.loader-badge .lstroke:nth-child(1) { animation-delay: .05s; }
.loader-badge .lstroke:nth-child(2) { animation-delay: .18s; }
.loader-badge .lstroke:nth-child(3) { animation-delay: .38s; }
.loader-badge .lstroke:nth-child(4) { animation-delay: .05s; }
.loader-badge .lstroke:nth-child(5) { animation-delay: .18s; }
.loader.exit .loader-badge svg { animation: badgePulse .5s ease forwards; }
@keyframes drawStroke { to { stroke-dashoffset: 0; } }
@keyframes badgePulse { 0% { transform: scale(1); } 40% { transform: scale(1.14); } 100% { transform: scale(1.3); opacity: 0; } }
.loader-word {
    font-family: var(--font-serif); font-style: italic; color: #fff; font-size: 22px; letter-spacing: .04em;
    opacity: 0; animation: loaderWordIn .6s ease forwards .68s;
}
.loader-word b { color: var(--teal); font-style: normal; }
@keyframes loaderWordIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------------- Hero cinematic reveal (paired with loader curtain) ---------------- */
.hero-inner { opacity: 0; transform: scale(1.05); transition: opacity 1.1s ease, transform 1.3s cubic-bezier(.19,1,.22,1); }
.hero.ready .hero-inner { opacity: 1; transform: scale(1); }

/* ---------------- Scroll progress bar ---------------- */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0%;
    background: linear-gradient(90deg, var(--teal), var(--pink));
    z-index: 2000; transition: width .12s linear;
}

/* ---------------- Topbar ---------------- */
.topbar {
    background: var(--black);
    color: var(--teal-light);
    font-size: 12.5px;
    letter-spacing: .04em;
    padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar a { color: var(--teal-light); }
.topbar-social a { margin-left: 14px; font-size: 14px; transition: color .25s; }
.topbar-social a:hover { color: var(--teal); }

/* ---------------- Header ---------------- */
.site-header {
    background: var(--white);
    position: sticky; top: 0; z-index: 500;
    box-shadow: 0 2px 18px rgba(0,0,0,0.05);
    transition: box-shadow .3s ease, background-color .4s ease, backdrop-filter .4s ease;
}
.site-header.scrolled { box-shadow: 0 8px 30px rgba(13,13,13,.1); }

.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; transition: padding .3s ease; }
.site-header.scrolled .header-inner { padding-top: 9px; padding-bottom: 9px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-badge {
    width: 56px; height: 56px; border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--teal-light), var(--teal) 75%);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(123,201,192,0.5);
    flex-shrink: 0;
}
.logo-badge svg { width: 30px; height: 30px; }
.logo-text { font-family: var(--font-serif); line-height: 1; }
.logo-text .top { font-size: 12px; letter-spacing: .35em; color: var(--gray); text-transform: uppercase; }
.logo-text .main { font-size: 26px; font-style: italic; font-weight: 600; color: var(--black); white-space: nowrap; }
.logo-text .main .num { font-style: normal; color: var(--teal-dark); font-weight: 700; }

.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
    font-size: 13.5px; letter-spacing: .05em; text-transform: uppercase; font-weight: 500;
    position: relative; padding: 6px 0;
}
.main-nav a::after {
    content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
    background: var(--teal-dark); transition: width .3s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-actions a, .header-actions button {
    background: none; border: none; font-size: 18px; color: var(--black);
    transition: color .25s, transform .25s;
}
.header-actions a:hover, .header-actions button:hover { color: var(--teal-dark); transform: translateY(-2px); }

.burger { display: none; font-size: 22px; background: none; border: none; }

@media (max-width: 900px) {
    .main-nav { display: none; }
    .burger { display: block; }
}

/* ---------------- Hero ---------------- */
.hero {
    position: relative;
    min-height: 78vh;
    display: flex; align-items: center;
    background: linear-gradient(120deg, var(--black) 0%, #1c1c1c 55%, var(--teal-dark) 140%);
    color: var(--white);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(circle at 85% 20%, rgba(123,201,192,0.2), transparent 45%),
      radial-gradient(circle at 10% 90%, rgba(232,165,196,0.15), transparent 40%);
    z-index: 1;
}
.hero-blob {
    position: absolute; border-radius: 50%; filter: blur(70px); z-index: 1;
    will-change: transform; pointer-events: none;
}
.hero-blob-1 { width: 420px; height: 420px; background: rgba(123,201,192,.5); top: -140px; right: -100px; animation: blobMove1 15s ease-in-out infinite; }
.hero-blob-2 { width: 340px; height: 340px; background: rgba(232,165,196,.35); bottom: -120px; left: -80px; animation: blobMove2 19s ease-in-out infinite; }
.hero-spotlight {
    position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: radial-gradient(circle at var(--x,50%) var(--y,40%), rgba(123,201,192,.22), transparent 38%);
}
@keyframes blobMove1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-30px,25px) scale(1.15); } }
@keyframes blobMove2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(25px,-20px) scale(1.1); } }

.hero-inner { position: relative; z-index: 2; width: 100%; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; text-align: center; } }

.hero-eyebrow {
    display: inline-flex; align-items: center; font-size: 13px; letter-spacing: .3em; text-transform: uppercase;
    color: var(--teal-light); border: 1px solid rgba(123,201,192,.5); padding: 6px 16px; border-radius: 30px;
    margin-bottom: 22px; opacity: 0; transform: translateY(16px);
    transition: opacity .7s ease, transform .7s ease; transition-delay: .1s;
}
.hero.ready .hero-eyebrow { opacity: 1; transform: translateY(0); }
.eyebrow-dot {
    display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--teal);
    margin-right: 9px; position: relative; top: -1px;
    box-shadow: 0 0 0 0 rgba(123,201,192,.55); animation: dotPulse 2.2s infinite;
}
@keyframes dotPulse {
    0% { box-shadow: 0 0 0 0 rgba(123,201,192,.55); }
    70% { box-shadow: 0 0 0 8px rgba(123,201,192,0); }
    100% { box-shadow: 0 0 0 0 rgba(123,201,192,0); }
}

.hero-title {
    font-family: var(--font-serif); font-style: italic; font-weight: 600;
    font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.05; margin-bottom: 20px;
}
.hero-title .char {
    display: inline-block; opacity: 0; transform: translateY(62px) rotate(9deg) scale(.9); filter: blur(9px);
    transition: opacity .8s cubic-bezier(.19,1,.22,1), transform .85s cubic-bezier(.19,1,.22,1), filter .8s ease;
    transition-delay: calc(var(--i, 0) * 34ms + .22s);
}
.hero.ready .hero-title .char { opacity: 1; transform: translateY(0) rotate(0) scale(1); filter: blur(0); }

.hero-sub {
    font-size: 17px; color: rgba(255,255,255,.8); max-width: 480px; margin-bottom: 32px;
    opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; transition-delay: .75s;
}
.hero.ready .hero-sub { opacity: 1; transform: translateY(0); }
.hero-cta {
    display: flex; gap: 16px; flex-wrap: wrap;
    opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; transition-delay: .95s;
}
.hero.ready .hero-cta { opacity: 1; transform: translateY(0); }
@media (max-width: 900px) { .hero-sub, .hero-cta { margin-left: auto; margin-right: auto; justify-content: center; } .hero-cta{display:flex;} }

.btn {
    display: inline-flex; align-items: center; gap: 8px; position: relative; overflow: hidden;
    padding: 14px 30px; border-radius: 40px; font-size: 14px; font-weight: 600;
    letter-spacing: .03em; text-transform: uppercase; border: 2px solid transparent;
    transition: background-color .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease, transform .18s ease;
}
.btn::before {
    content: ''; position: absolute; top: 0; left: -60%; width: 40%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
    transform: skewX(-20deg); transition: left .6s ease;
}
.btn:hover::before { left: 130%; }
.btn-primary {
    background: linear-gradient(120deg, var(--teal) 0%, var(--teal-dark) 35%, var(--pink) 65%, var(--teal) 100%);
    background-size: 300% 100%; animation: btnGradient 7s ease infinite; color: var(--black);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(123,201,192,.4); }
@keyframes btnGradient { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
.btn-outline { border-color: rgba(255,255,255,.6); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--black); transform: translateY(-3px); }
.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--teal-dark); transform: translateY(-3px); }
.btn-small { padding: 9px 18px; font-size: 12px; }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-visual-inner {
    opacity: 0; transform: scale(.82);
    transition: opacity 1s cubic-bezier(.19,1,.22,1), transform 1s cubic-bezier(.19,1,.22,1); transition-delay: .5s;
}
.hero.ready .hero-visual-inner { opacity: 1; transform: scale(1); }
.hero-circle {
    width: min(360px, 80vw); aspect-ratio: 1/1; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--teal-light), var(--teal) 60%, var(--teal-dark) 100%);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 30px 60px rgba(0,0,0,.4);
    animation: float 5s ease-in-out infinite;
}
.hero-circle svg { width: 55%; }
@keyframes float { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-18px) } }

/* ---------------- Section titles ---------------- */
.section { padding: 96px 0; position: relative; }
.section-dark {
    background: linear-gradient(120deg, var(--black) 0%, #1c1c1c 55%, var(--teal-dark) 140%);
    overflow: hidden;
}
.section-eyebrow-light { color: var(--teal-light); }
.section-eyebrow-light::before, .section-eyebrow-light::after { background: var(--teal-light); }
.section-title-light { color: #fff; }
.section-dark .section-head-watermark::before { color: var(--teal); opacity: .12; }
.section-tight { padding: 56px 0; }
.section-head { text-align: center; margin-bottom: 56px; position: relative; }
.section-eyebrow {
    font-size: 12.5px; letter-spacing: .32em; text-transform: uppercase; color: var(--teal-dark); font-weight: 600;
    display: inline-flex; align-items: center; gap: 10px;
}
.section-eyebrow::before, .section-eyebrow::after { content: ''; width: 22px; height: 1px; background: var(--teal-dark); opacity: .5; }
.section-title { font-family: var(--font-serif); font-style: italic; font-size: clamp(2.1rem, 3.8vw, 3rem); margin-top: 10px; letter-spacing: -.01em; }

/* Decorative oversized numeral watermark behind a section head */
.section-head-watermark { position: relative; }
.section-head-watermark::before {
    content: '18'; position: absolute; top: -34px; left: 50%; transform: translateX(-50%);
    font-family: var(--font-serif); font-style: italic; font-weight: 700; font-size: clamp(5rem, 12vw, 9rem);
    color: var(--teal); opacity: .08; z-index: -1; pointer-events: none; white-space: nowrap;
}

/* ---------------- Categorías ---------------- */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
.cat-card {
    position: relative; overflow: hidden; border-radius: var(--radius); padding: 34px 16px; text-align: center;
    transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s ease;
    box-shadow: 0 10px 26px rgba(13,13,13,.1);
}
.cat-card::before {
    content: ''; position: absolute; inset: 0; z-index: 0; opacity: 0; transition: opacity .4s ease;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,.35), transparent 60%);
}
.cat-card:hover { transform: translateY(-8px); box-shadow: 0 22px 40px rgba(13,13,13,.22); }
.cat-card:hover::before { opacity: 1; }
.cat-icon {
    position: relative; z-index: 1; width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 24px;
    background: rgba(255,255,255,.22); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.35);
    transition: transform .4s cubic-bezier(.2,.7,.3,1.4);
}
.cat-card:hover .cat-icon { transform: rotate(-12deg) scale(1.14); }
.cat-name { position: relative; z-index: 1; font-weight: 700; font-size: 14.5px; letter-spacing: .01em; }

.cat-card.tone-1 { background: linear-gradient(150deg, var(--teal) 0%, var(--teal-dark) 100%); }
.cat-card.tone-1 .cat-icon, .cat-card.tone-1 .cat-name { color: #08201d; }
.cat-card.tone-2 { background: linear-gradient(150deg, #f6c9dc 0%, var(--pink) 65%, #d488ab 100%); }
.cat-card.tone-2 .cat-icon, .cat-card.tone-2 .cat-name { color: #4a1830; }
.cat-card.tone-3 { background: linear-gradient(150deg, #26433f 0%, var(--black) 100%); }
.cat-card.tone-3 .cat-icon, .cat-card.tone-3 .cat-name { color: var(--teal-light); }
.cat-card.tone-4 { background: linear-gradient(150deg, #ffe6a3 0%, #e8c97a 65%, #c9a24a 100%); }
.cat-card.tone-4 .cat-icon, .cat-card.tone-4 .cat-name { color: #4a3608; }
.cat-card.tone-5 { background: linear-gradient(150deg, var(--teal-dark) 0%, #244744 100%); }
.cat-card.tone-5 .cat-icon, .cat-card.tone-5 .cat-name { color: var(--teal-light); }

/* ---------------- Promo banner strip ---------------- */
.promo-strip { background: var(--black); color: var(--white); overflow: hidden; padding: 14px 0; }
.promo-strip-track { display: flex; gap: 60px; white-space: nowrap; animation: scrollX 22s linear infinite; width: max-content; }
.promo-strip:hover .promo-strip-track { animation-play-state: paused; }
.promo-strip-track span { font-family: var(--font-serif); font-style: italic; font-size: 17px; color: var(--teal-light); }
@keyframes scrollX { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- Productos ---------------- */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
@media (max-width: 1000px) { .prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .prod-grid { grid-template-columns: 1fr; } }

.prod-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: 0 10px 26px rgba(13,13,13,.08); border: 1px solid rgba(13,13,13,.05);
    transition: transform .15s ease, box-shadow .4s ease, border-color .4s ease; will-change: transform;
    display: flex; flex-direction: column; position: relative;
}
.prod-card:hover { transform: translateY(-10px); box-shadow: 0 26px 44px rgba(79,167,157,.28); border-color: rgba(123,201,192,.35); }
.prod-media { position: relative; aspect-ratio: 1/1; overflow: hidden; background: var(--teal-light); }
.prod-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.prod-card:hover .prod-media img { transform: scale(1.08) rotate(-1deg); }
.prod-media::after {
    content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%);
    transform: translateX(-120%); transition: transform .75s ease;
}
.prod-card:hover .prod-media::after { transform: translateX(120%); }

.prod-tags { position: absolute; top: 12px; left: 12px; display: flex; flex-direction: column; gap: 6px; z-index: 2; }
.tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; padding: 5px 10px; border-radius: 30px; }
.tag-sale { background: var(--pink); color: var(--black); }
.tag-new { background: var(--teal); color: var(--black); }
.badge-ok { background: rgba(123,201,192,.18); color: var(--teal-dark); }
.badge-low { background: rgba(232,165,196,.25); color: #a4406b; }
.badge-out { background: rgba(217,83,79,.15); color: var(--danger); }
.tag.badge-ok, .tag.badge-low, .tag.badge-out { position: static; }

.prod-body { padding: 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.prod-brand { font-size: 11.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--gray); }
.prod-name { font-weight: 600; font-size: 15.5px; line-height: 1.3; }
.prod-price-row { margin-top: auto; display: flex; align-items: baseline; gap: 10px; padding-top: 10px; border-top: 1px dashed rgba(13,13,13,.1); margin-top: 12px; }
.prod-price { font-family: var(--font-serif); font-style: italic; font-size: 21px; font-weight: 700; color: var(--black); }
.prod-price-old { font-size: 13.5px; color: var(--gray); text-decoration: line-through; }
.prod-stockline { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.prod-actions { display: flex; gap: 8px; padding: 0 18px 18px; }
.prod-actions .btn { flex: 1; justify-content: center; padding: 11px 10px; font-size: 12px; }

/* ---------------- Promo banners grandes ---------------- */
.promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .promo-grid { grid-template-columns: 1fr; } }
.promo-card {
    position: relative; border-radius: var(--radius); overflow: hidden; min-height: 320px;
    display: flex; align-items: flex-end; padding: 26px; color: var(--white); will-change: transform;
    background-size: cover; background-position: center; transition: transform .15s ease, box-shadow .4s ease;
    box-shadow: 0 16px 40px rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.08);
}
.promo-card:hover { box-shadow: 0 22px 50px rgba(123,201,192,.28); }
.promo-card::before { content:''; position:absolute; inset:0; background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,.75)); }
.promo-card-body { position: relative; z-index: 2; }
.promo-card-title { font-family: var(--font-serif); font-style: italic; font-size: 26px; margin-bottom: 6px; }
.promo-card-sub { font-size: 13px; opacity: .9; }

/* ---------------- Confianza / iconos ---------------- */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
@media (max-width: 800px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }
.trust-item {
    padding: 30px 18px; background: var(--white); border-radius: var(--radius);
    box-shadow: 0 10px 26px rgba(13,13,13,.07); border: 1px solid rgba(13,13,13,.05);
    transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s ease, border-color .35s ease;
}
.trust-item:hover { transform: translateY(-6px); box-shadow: 0 20px 36px rgba(79,167,157,.24); border-color: rgba(123,201,192,.3); }
.trust-icon {
    width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 22px;
    transition: transform .4s cubic-bezier(.2,.7,.3,1.4);
}
.trust-item:hover .trust-icon { transform: rotate(-10deg) scale(1.1); }
.trust-icon.tone-1 { background: linear-gradient(135deg, var(--teal-light), var(--teal)); color: #0d0d0d; }
.trust-icon.tone-2 { background: linear-gradient(135deg, #fbe1ec, var(--pink)); color: #6b2646; }
.trust-icon.tone-3 { background: linear-gradient(135deg, #0d0d0d, #2f4f4a); color: var(--teal-light); }
.trust-icon.tone-4 { background: linear-gradient(135deg, #fff3d6, #e8c97a); color: #6b5417; }
.trust-title { font-weight: 600; font-size: 14.5px; margin-bottom: 4px; }
.trust-text { font-size: 12.5px; color: var(--gray); }

/* ---------------- Filtros catálogo ---------------- */
.filters-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; justify-content: center; }
.filter-chip {
    padding: 9px 20px; border-radius: 30px; border: 1.5px solid #e2e2e2; font-size: 13px; font-weight: 500;
    transition: all .25s ease; background: var(--white);
}
.filter-chip:hover, .filter-chip.active { background: var(--black); color: var(--white); border-color: var(--black); }

/* ---------------- Producto detalle ---------------- */
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: flex-start; }
@media (max-width: 860px) { .pd-grid { grid-template-columns: 1fr; } }
.pd-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--teal-light); }
.pd-brand { color: var(--teal-dark); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: 12.5px; }
.pd-title { font-family: var(--font-serif); font-style: italic; font-size: 2.2rem; margin: 10px 0 16px; }
.pd-price { font-size: 28px; font-weight: 700; }
.pd-desc { color: #555; line-height: 1.7; margin: 20px 0; }
.pd-cta { display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; }

/* ---------------- WhatsApp flotante ---------------- */
.wa-float {
    position: fixed; bottom: 26px; right: 26px; z-index: 900;
    width: 62px; height: 62px; border-radius: 50%; background: #25D366;
    display: flex; align-items: center; justify-content: center; color: white; font-size: 30px;
    box-shadow: 0 10px 26px rgba(37,211,102,.5);
    animation: pulse 2.4s infinite;
}
.wa-float:hover { transform: scale(1.08); }
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,.55), 0 10px 26px rgba(37,211,102,.5); }
    70% { box-shadow: 0 0 0 16px rgba(37,211,102,0), 0 10px 26px rgba(37,211,102,.5); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 10px 26px rgba(37,211,102,.5); }
}

/* ---------------- Footer ---------------- */
.site-footer { background: var(--black); color: rgba(255,255,255,.75); padding: 70px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-logo { font-family: var(--font-serif); font-style: italic; font-size: 26px; color: var(--white); margin-bottom: 14px; }
.footer-logo .num { color: var(--teal); font-style: normal; font-weight: 700; }
.footer-title { color: var(--white); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; font-size: 13.5px; }
.footer-links a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; font-size: 12.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: rgba(255,255,255,.5); }

/* ---------------- Newsletter ---------------- */
.newsletter { background: var(--teal-light); position: relative; overflow: hidden; }
.newsletter-blob {
    position: absolute; width: 480px; height: 480px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.5), transparent 70%);
    top: -220px; right: -140px; pointer-events: none;
}
.newsletter-inner {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
    position: relative; z-index: 1; text-align: left;
}
@media (max-width: 800px) { .newsletter-inner { grid-template-columns: 1fr; text-align: center; } }
.newsletter-copy .section-eyebrow { color: var(--teal-dark); }
.newsletter-copy .section-title { margin-top: 6px; margin-bottom: 10px; }
.newsletter-copy p { font-size: 14.5px; color: #1e4844; max-width: 400px; }
@media (max-width: 800px) { .newsletter-copy p { margin: 0 auto; } .newsletter-copy .section-eyebrow::before, .newsletter-copy .section-eyebrow::after { display: none; } }
.newsletter-form { display: flex; gap: 10px; }
@media (max-width: 800px) { .newsletter-form { max-width: 440px; margin: 6px auto 0; } }
.newsletter-form input { flex: 1; padding: 15px 20px; border-radius: 30px; border: none; font-size: 14px; box-shadow: 0 8px 20px rgba(13,13,13,.08); }
.newsletter-form button { border-radius: 30px; white-space: nowrap; }

/* ---------------- Utilities ---------------- */
.text-center { text-align: center; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray); }
.mt-40 { margin-top: 40px; }

/* ---------------- Toast ---------------- */
.toast {
    position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: var(--black); color: var(--white); padding: 14px 26px; border-radius: 40px;
    font-size: 13.5px; opacity: 0; pointer-events: none; transition: all .35s ease; z-index: 1000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }