/* ===== aprendehidroponia.online — tema curso/educativo (verde fresco + WhatsApp) ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --green:#16a34a; --green-l:#22c55e; --green-d:#14532d; --wa:#25d366; --wa-d:#1eb457;
  --sky:#0ea5e9; --ink:#0f2e1c; --txt:#37493f; --mut:#6b8078; --bg:#f0fdf4;
  --card:#fff; --line:#d9f0e2; --r:18px; --sh:0 12px 30px rgba(20,83,45,.12);
}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,Roboto,Arial,sans-serif;color:var(--txt);background:var(--bg);line-height:1.65;overflow-x:hidden}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{color:var(--ink);line-height:1.15;font-weight:800}
h2{font-size:clamp(1.6rem,3.6vw,2.3rem);text-align:center}
section{padding:64px 0}
em{color:var(--green);font-style:normal}
a{color:inherit;text-decoration:none}
.eyebrow{display:inline-block;color:var(--green);font-weight:800;letter-spacing:1.5px;text-transform:uppercase;font-size:.76rem;margin-bottom:8px}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:.45em;justify-content:center;text-align:center;font-weight:700;border-radius:999px;
  padding:14px 26px;box-shadow:var(--sh);transition:.18s;cursor:pointer;border:0;color:#fff;background:var(--green)}
.btn:hover{transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#04331b}.btn-wa:hover{background:var(--wa-d)}
.btn-green{background:var(--green)}.btn-green:hover{background:var(--green-d)}
/* Secundario SÓLIDO (el transparente se perdía y no invitaba a hacer clic) */
.btn-ghost{background:#0f2e1c;color:#fff;border:0}
.btn-ghost:hover{background:#14532d}
.btn-sm{padding:9px 16px;font-size:.9rem}.btn-lg{padding:16px 30px;font-size:1.06rem}.btn-xl{padding:19px 40px;font-size:1.18rem}
.btn-amber{background:linear-gradient(180deg,#fbbf24,#f59e0b);color:#3b2500}
.btn-amber:hover{background:linear-gradient(180deg,#fcc433,#d97706)}
/* Botón que llama la atención (late) */
@keyframes ctaPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.055)}}
@keyframes ctaRing{0%{box-shadow:0 0 0 0 rgba(245,158,11,.6)}70%{box-shadow:0 0 0 14px rgba(245,158,11,0)}100%{box-shadow:0 0 0 0 rgba(245,158,11,0)}}
.btn-attn{animation:ctaPulse 2.1s ease-in-out infinite,ctaRing 2.1s ease-in-out infinite}
.btn-attn:hover{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.btn-attn{animation:none}}
.free{color:#b45309;background:#fdecc8;padding:0 10px;border-radius:8px}

.pill{display:inline-block;background:#dcfce7;color:var(--green-d);font-weight:700;font-size:.8rem;padding:6px 14px;border-radius:999px;margin-bottom:16px}
.pill-light{background:rgba(255,255,255,.2);color:#fff}

/* Nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(240,253,244,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brand{font-weight:800;color:var(--ink);font-size:1.06rem}.brand b{color:var(--green)}

/* Hero */
.hero{background:radial-gradient(1000px 460px at 85% -10%,#c9f7dc 0,transparent 60%),linear-gradient(180deg,#e9fdf1,var(--bg));padding:18px 0 46px}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:24px 0}
.hero h1{font-size:clamp(2rem,5vw,3.15rem)}
.lead{font-size:1.12rem;margin:16px 0 22px;color:#3d5147}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;color:var(--mut);font-weight:600;font-size:.86rem}

/* Hero art */
.hero-art{display:flex;justify-content:center}
.hero-photo-wrap{position:relative;display:block;width:min(370px,92%);cursor:pointer;transition:.2s}
.hero-photo-wrap:hover{transform:translateY(-4px)}
.hero-photo,.hero-video{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;border:5px solid #fff;box-shadow:0 22px 46px rgba(20,83,45,.28);background:#0f2e1c}
.hero-badge{position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);background:var(--wa);color:#04331b;
  font-weight:800;font-size:.85rem;padding:9px 18px;border-radius:999px;box-shadow:0 6px 18px rgba(20,83,45,.35);white-space:nowrap}
/* la animación del badge no debe pelear con el translate de centrado */
@keyframes badgePulse{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.07)}}
.hero-badge.btn-attn{animation:badgePulse 1.9s ease-in-out infinite}

/* Variantes de landing (?v=a video · ?v=b foto) */
[data-vonly]{display:none}
html[data-v="a"] [data-vonly~="a"],html[data-v="b"] [data-vonly~="b"],html[data-v="c"] [data-vonly~="c"],html[data-v="d"] [data-vonly~="d"]{display:block}

/* Reproductor de testimonios */
.vbox{position:relative;border-radius:22px;overflow:hidden;background:#0f2e1c;box-shadow:0 18px 40px rgba(20,83,45,.26)}
.vbox video{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#0f2e1c}
.vplay{position:absolute;inset:0;width:100%;border:0;cursor:pointer;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;color:#fff;font-weight:800;font-family:inherit;font-size:.95rem;
  background:linear-gradient(180deg,rgba(4,51,27,.15),rgba(4,51,27,.55));transition:.2s}
.vplay:hover{background:linear-gradient(180deg,rgba(4,51,27,.05),rgba(4,51,27,.45))}
.vplay-ico{display:grid;place-items:center;width:62px;height:62px;border-radius:50%;background:var(--wa);color:#04331b;
  font-size:1.5rem;padding-left:5px;box-shadow:0 8px 24px rgba(0,0,0,.35);animation:ctaPulse 2.1s ease-in-out infinite}
.vplay-txt{text-shadow:0 2px 8px rgba(0,0,0,.6)}
.vbox.is-playing .vplay{opacity:0;pointer-events:none}
.hero-photo-wrap .vbox{border:5px solid #fff;box-shadow:0 22px 46px rgba(20,83,45,.28)}
.vtesti{background:var(--card);text-align:center}
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
@media(max-width:860px){.vgrid{grid-template-columns:1fr;max-width:420px;margin-inline:auto}}
.grow{position:relative;width:min(330px,80vw);aspect-ratio:1/1;border-radius:26px;padding:30px;color:#04331b;
  background:linear-gradient(160deg,#4ade80,#16a34a);box-shadow:0 26px 55px rgba(20,83,45,.32);
  display:flex;flex-direction:column;justify-content:center;text-align:center;border:6px solid #fff}
.grow-badge{position:absolute;top:16px;right:16px;background:#facc15;color:#3b2f00;font-weight:900;font-size:.8rem;padding:6px 12px;border-radius:999px;transform:rotate(8deg)}
.grow-emo{font-size:3.4rem}
.grow-t{font-size:1.3rem;font-weight:800;margin-top:6px;color:#fff}
.grow-steps{display:flex;gap:14px;justify-content:center;margin-top:14px;font-size:1.5rem}
.grow-photo{position:absolute;left:-20px;bottom:-20px;width:132px;height:132px;object-fit:cover;border-radius:50%;border:6px solid #fff;box-shadow:var(--sh)}

/* Pasos */
.steps{background:var(--card)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.step{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:28px;position:relative}
.step .n{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;font-weight:900;font-size:1.2rem;margin-bottom:12px}
.step h3{font-size:1.2rem;margin-bottom:6px}.step p{color:var(--mut)}
/* Tarjetas con FOTO de fondo y texto legible encima */
.step-img{position:relative;isolation:isolate;overflow:hidden;text-align:center;color:#eafff2;border-color:transparent}
.step-img::before{content:"";position:absolute;inset:0;z-index:-2;background-image:var(--bg);
  background-size:cover;background-position:center;transition:.3s}
.step-img::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(4,51,27,.38),rgba(4,51,27,.87))}
.step-img h3,.step-img p{text-shadow:0 2px 10px rgba(0,0,0,.7)}
.step-img:hover::before{transform:scale(1.06)}
.step-img .n{margin:0 auto 12px;box-shadow:0 6px 18px rgba(0,0,0,.4)}
.step-img h3{color:#fff}
.step-img p{color:#d6f0e0}

/* Banner clicable */
.bannersec{background:var(--bg);padding:44px 0}
.bannerlink{position:relative;display:block;max-width:900px;margin:0 auto;border-radius:20px;overflow:hidden;
  cursor:pointer;box-shadow:0 18px 42px rgba(20,83,45,.28);transition:.22s}
.bannerlink:hover{transform:translateY(-4px)}
.bannerlink img{display:block;width:100%;height:auto}
.banner-cta{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);background:linear-gradient(180deg,#fbbf24,#f59e0b);
  color:#3b2500;font-weight:800;padding:14px 26px;border-radius:999px;white-space:nowrap;box-shadow:0 10px 28px rgba(0,0,0,.4)}
@keyframes bannerPulse{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.05)}}
.banner-cta.btn-attn{animation:bannerPulse 2.1s ease-in-out infinite}
@media(max-width:560px){.banner-cta{font-size:.85rem;padding:11px 18px;bottom:12px}}

/* Why */
.why{background:linear-gradient(180deg,var(--bg),#e9fdf1)}
.why-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.benefits{list-style:none;display:grid;gap:11px;margin:16px 0 24px}
.benefits li{position:relative;padding-left:30px}
.benefits li:before{content:"🌱";position:absolute;left:0;top:0}
.benefits b{color:var(--green-d)}
.why-card{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center;box-shadow:var(--sh)}
.stat b{display:block;font-size:2.2rem;color:var(--green);font-weight:900}
.stat span{color:var(--mut);font-size:.9rem}

/* Book */
.book{background:var(--card)}
.book-in{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}
.book-art{display:flex;justify-content:center}
.book-cover{width:100%;max-width:400px;height:auto;filter:drop-shadow(0 20px 40px rgba(20,83,45,.3));animation:floaty 5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.bonusimg{background:var(--card);text-align:center}
.bimg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;margin-top:26px}
.bimg-grid figure{margin:0}
.bimg-grid img{width:100%;max-width:190px;height:auto;filter:drop-shadow(0 12px 24px rgba(20,83,45,.2))}
.bimg-grid figcaption{margin-top:8px;font-weight:700;color:var(--ink);font-size:.9rem}
/* secciones extra (landing larga) */
.who{background:var(--card)}
.guar{background:linear-gradient(180deg,#e9fdf1,var(--bg))}
.faqh{background:var(--card)}
.faqh details{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px 20px;margin:12px 0}
.faqh summary{cursor:pointer;font-weight:700;color:var(--ink);padding:14px 0;list-style:none}
.faqh summary::-webkit-details-marker{display:none}
.faqh summary:after{content:"+";float:right;color:var(--green)}
.faqh details[open] summary:after{content:"–"}
.faqh details p{padding:0 0 16px;color:#425a4f}
.book-mock{width:min(260px,64vw);aspect-ratio:3/4;border-radius:12px;background:linear-gradient(155deg,#0ea5e9,#16a34a 70%,#14532d);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:24px;
  box-shadow:0 24px 50px rgba(20,83,45,.3);border:6px solid #fff;transform:rotate(-3deg)}
.book-mock span{font-size:3rem}.book-mock b{font-size:1.3rem;letter-spacing:.5px}.book-mock small{opacity:.9}
.mini-list{list-style:none;display:grid;gap:9px;margin:14px 0 22px}
.book-txt p{color:#425a4f}

/* Galería */
.gallery{background:linear-gradient(180deg,var(--bg),#e9fdf1);text-align:center}
.gsub{color:var(--mut);max-width:600px;margin:0 auto}
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.gal-grid figure{margin:0}
.gal-grid img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);box-shadow:var(--sh)}

/* Testimonios */
.testi{background:linear-gradient(180deg,#e9fdf1,var(--bg))}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.t{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.stars{color:#f59e0b;letter-spacing:2px;margin-bottom:8px}
.t p{font-style:italic;color:#3c4f45}.t span{display:block;margin-top:10px;font-weight:700;color:var(--green-d)}

/* Final */
.final{background:linear-gradient(160deg,#16a34a,#14532d);color:#eafff2;text-align:center}
.final h2{color:#fff}
.final-in{max-width:660px;margin:0 auto}
.final p{margin:10px 0 22px;opacity:.95}
.or{margin-top:18px;font-size:.95rem}.or a{color:#eaffb0;text-decoration:underline;cursor:pointer}

/* Footer */
.foot{background:#0f2e1c;color:#a9c9b8;text-align:center;padding:40px 0 118px}
.mini{font-size:.8rem;opacity:.75;margin-top:6px}

/* Sticky */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  gap:14px;background:rgba(15,46,28,.97);color:#fff;padding:12px 18px;transform:translateY(120%);transition:.28s}
.sticky-cta.is-visible{transform:translateY(0)}.sticky-cta span{font-weight:600;font-size:.92rem}

@media(max-width:860px){
  section{padding:46px 0}
  .hero{padding:10px 0 34px}
  .hero-in,.why-in,.book-in{grid-template-columns:1fr;text-align:center}
  .hero-in{gap:18px;padding:0}
  .hero-photo-wrap{width:min(300px,74%)}
  .hero-art,.book-art{order:-1}
  .benefits{text-align:left;max-width:440px;margin-inline:auto}
  .cta-row,.trust{justify-content:center}
  .steps-grid,.testi-grid{grid-template-columns:1fr}
  .book-txt{text-align:left}
  .sticky-cta span{display:none}.sticky-cta{justify-content:center}
}
@media(max-width:640px){.gal-grid{grid-template-columns:1fr 1fr}}


/* Rejilla de creativos: 3 escenas clicables que llevan a comprar */
.promo-tit{margin:30px 0 14px;text-align:center;font-weight:800;font-size:1.02rem;letter-spacing:.3px}
.promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:900px;margin:0 auto}
.promo{position:relative;display:block;border-radius:16px;overflow:hidden;cursor:pointer;
  box-shadow:0 12px 30px rgba(0,0,0,.28);transition:transform .3s ease,box-shadow .3s ease}
.promo:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.38)}
.promo img{display:block;width:100%;height:100%;aspect-ratio:1/1;object-fit:cover}
.promo span{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 11px;font-size:.84rem;
  font-weight:800;color:#fff;text-align:center;text-shadow:0 2px 8px rgba(0,0,0,.9);
  background:linear-gradient(transparent,rgba(0,0,0,.78))}
@media(max-width:720px){
  .promo-grid{grid-template-columns:1fr 1fr;gap:10px}
  .promo:last-child{grid-column:1/-1}
  .promo:last-child img{aspect-ratio:16/9}
  .promo span{font-size:.78rem}
}


/* Bloque de oferta de la variante "precio primero" */
.oferta{padding:44px 0}
.oferta-in{max-width:620px;margin:0 auto;text-align:center;
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:22px;padding:34px 28px;
  box-shadow:0 24px 60px rgba(0,0,0,.35)}
.oferta-in h2{margin:12px 0 4px;font-size:1.42rem}
.olist{list-style:none;display:grid;gap:10px;margin:20px auto 24px;text-align:left;max-width:420px;padding:0}
.olist li{position:relative;padding-left:30px}
.olist li:before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;font-size:.72rem;font-weight:900;background:var(--lime);color:#0a2010}
.ogar{margin-top:18px;font-size:.9rem;opacity:.9}
@media(max-width:720px){.oferta{padding:26px 0}.oferta-in{padding:26px 18px}.oferta-in h2{font-size:1.2rem}}


/* Imagenes de producto clicables: el libro tambien lleva al carrito.
   Se marcan con un pequeno cartel para que se note que se puede tocar. */
.img-cta{position:relative;display:inline-block;cursor:pointer;line-height:0;
  transition:transform .28s ease,filter .28s ease}
.img-cta img{display:block;width:100%;height:auto}
.img-cta:hover{transform:translateY(-4px)}
.img-cta:hover img{filter:brightness(1.05)}
.img-cta-tip{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);
  display:inline-block;white-space:nowrap;line-height:1.2;
  background:linear-gradient(180deg,#fbbf24,#f59e0b);color:#3b2500;
  font-weight:800;font-size:.82rem;padding:9px 16px;border-radius:999px;
  box-shadow:0 8px 22px rgba(0,0,0,.42);opacity:0;transition:opacity .25s ease,transform .25s ease}
.img-cta:hover .img-cta-tip,.img-cta:focus-visible .img-cta-tip{opacity:1;transform:translateX(-50%) translateY(-4px)}
/* En movil no hay hover: el cartel se ve siempre y llama a tocar */
@media(hover:none){
  .img-cta-tip{opacity:1;animation:tipLatido 2.4s ease-in-out infinite}
  @keyframes tipLatido{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.05)}}
}
@media(max-width:560px){.img-cta-tip{font-size:.74rem;padding:7px 13px}}
@media(prefers-reduced-motion:reduce){.img-cta,.img-cta-tip{transition:none;animation:none}}