/* ═══════════════════════════════════════════════════════════
   AGRÍCOLA SANTA MARGARITA — Landing Page
   Sistema de diseño
   ═══════════════════════════════════════════════════════════ */

:root{
  /* Marca */
  --brand:      #2b6b45;   /* verde huerto */
  --brand-dark: #1f5133;
  --brand-soft: #e9f3ec;

  /* Acentos por especie */
  --accent:     #b3123a;   /* cereza */
  --citrus:     #eba90d;   /* cítricos */
  --stone:      #c9522a;   /* carozos */

  /* Neutros */
  --ink:        #16201a;
  --ink-2:      #1f2c24;
  --ink-3:      #2c3a31;
  --slate:      #57655c;
  --slate-2:    #7d8a82;
  --line:       #e2e8e4;
  --bg:         #ffffff;
  --bg-alt:     #f5f8f6;

  /* Tipografía */
  --font:       'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-head:  'Fraunces', Georgia, 'Times New Roman', serif;

  /* Métrica */
  --container:  1200px;
  --gutter:     clamp(20px, 4vw, 40px);
  --sec-y:      clamp(64px, 8vw, 112px);
  --radius:     6px;
  --radius-lg:  12px;

  /* Sombras */
  --sh-sm:      0 1px 2px rgba(22,32,26,.06), 0 2px 8px rgba(22,32,26,.05);
  --sh-md:      0 4px 12px rgba(22,32,26,.07), 0 12px 32px rgba(22,32,26,.07);
  --sh-lg:      0 10px 24px rgba(22,32,26,.09), 0 26px 60px rgba(22,32,26,.10);

  --header-h:   76px;
}

/* ── Reset ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.65;
  color:var(--slate);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.18;font-weight:600;letter-spacing:-.01em;font-family:var(--font-head)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--brand);color:#fff;padding:12px 20px;font-weight:600}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:2px}

/* ── Botones ───────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border:2px solid transparent;border-radius:var(--radius);
  font-size:16px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(43,107,69,.28)}
.btn--primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);box-shadow:0 8px 22px rgba(43,107,69,.34)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--light{background:#fff;border-color:#fff;color:var(--ink)}
.btn--light:hover{background:#edf2ef;border-color:#edf2ef}

/* ── Header ────────────────────────────────────────────── */
.header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.header.is-stuck{box-shadow:var(--sh-sm)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:600;font-size:20px;color:var(--ink);letter-spacing:-.01em}
.logo svg{width:34px;height:34px}

.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;font-weight:500;color:var(--ink-3);transition:color .15s ease}
.nav a:hover{color:var(--brand)}
.header__cta{display:flex;align-items:center;gap:12px}
.header__cta .btn{padding:11px 22px;font-size:15px}

.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:background .15s ease}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);transition:transform .2s ease,top .2s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ── Hero ──────────────────────────────────────────────── */
.hero{
  position:relative;overflow:hidden;
  padding-block:clamp(56px,8vw,112px);
  background:linear-gradient(168deg,var(--bg) 0%,var(--brand-soft) 100%);
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 16px 6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
  font-size:13px;font-weight:600;letter-spacing:.01em;color:var(--brand-dark);
  margin-bottom:22px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.hero h1{font-size:clamp(34px,4.8vw,56px);margin-bottom:22px;max-width:19ch}
.hero__lead{font-size:clamp(17px,1.6vw,19px);max-width:54ch;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero__stats{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:clamp(20px,3vw,40px)}
.stat strong{display:block;font-family:var(--font-head);font-size:clamp(24px,2.8vw,32px);font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.stat span{font-size:14px;color:var(--slate-2)}
/* ── Fotografias ───────────────────────────────────────── */
.foto{
  position:relative;margin:0;
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--ink);
}
.foto picture{position:absolute;inset:0;display:block}
.foto img{width:100%;height:100%;object-fit:cover;display:block}
.foto figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:40px 20px 14px;
  background:linear-gradient(to top,rgba(10,16,12,.78),transparent);
  color:rgba(255,255,255,.92);
  font-size:12px;letter-spacing:.07em;text-transform:uppercase;text-align:center;
}

.hero__media{aspect-ratio:4/3;box-shadow:var(--sh-lg)}
.split__media{aspect-ratio:4/5;box-shadow:var(--sh-md)}
.banda{margin-top:clamp(36px,4vw,56px);aspect-ratio:3/2;box-shadow:var(--sh-md)}

/* ── Secciones ─────────────────────────────────────────── */
.section{padding-block:var(--sec-y)}
.section--alt{background:var(--bg-alt)}
.section__head{max-width:62ch;margin-bottom:clamp(36px,4vw,56px)}
.section__head--center{margin-inline:auto;text-align:center}
.section__head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:14px}
.section__head p{font-size:17px}
.kicker{display:block;font-family:var(--font);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}

/* ── Cards ─────────────────────────────────────────────── */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}

.card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:transparent}
.card__icon{
  width:52px;height:52px;border-radius:var(--radius);
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;margin-bottom:20px;
}
.card__icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.6}
.card__icon--cherry{background:#fdeaee;color:var(--accent)}
.card__icon--citrus{background:#fdf3e2;color:#b96e08}
.card__icon--stone{background:#fdeee7;color:#b64d1f}
.card h3{font-size:22px;margin-bottom:10px}
.card p{font-size:16px}

/* Tarjeta de una especie todavía no plantada */
.card--proyecto{background:transparent;border-style:dashed}
.card--proyecto:hover{transform:none;box-shadow:none;border-color:var(--line)}
.card--proyecto .card__icon{opacity:.7}
.card h3 .badge{
  display:inline-block;vertical-align:middle;margin-left:8px;
  font-family:var(--font);font-size:11px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;
  color:var(--slate);background:var(--bg-alt);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}

/* Ficha de variedades y superficie */
.specs{margin:20px 0 0;display:grid;gap:0}
.specs > div{display:flex;justify-content:space-between;gap:16px;padding-block:9px}
.specs > div + div{border-top:1px solid var(--line)}
.specs dt{font-size:15px;color:var(--slate)}
.specs dd{margin:0;font-size:15px;font-weight:600;color:var(--ink);text-align:right}
.specs__nota{display:block;font-size:12px;font-weight:500;color:var(--slate-2)}

.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:22px}
.tags li{
  font-size:13px;font-weight:600;color:var(--ink-3);
  background:var(--bg-alt);border:1px solid var(--line);
  padding:5px 12px;border-radius:999px;
}

/* ── Lista de checks ───────────────────────────────────── */
.checks li{display:flex;gap:12px;align-items:flex-start;padding-block:14px}
.checks li + li{border-top:1px solid var(--line)}
.checks svg{width:20px;height:20px;flex:none;margin-top:3px;stroke:var(--brand);fill:none;stroke-width:2}
.checks strong{color:var(--ink);display:block;font-size:16px}
.checks span{font-size:15px}

/* ── Split (texto + media) ─────────────────────────────── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}

/* ── Calendario de cosecha ─────────────────────────────── */
.calendar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--sh-sm);overflow-x:auto;
}
.calendar table{min-width:640px}
.calendar th,.calendar td{padding:14px 6px;text-align:center;font-size:14px}
.calendar thead th{
  font-family:var(--font);font-weight:700;color:var(--slate-2);
  font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  border-bottom:1px solid var(--line);
}
.calendar thead th:first-child{text-align:left;padding-left:24px}
.calendar abbr{text-decoration:none;border:0}
.calendar tbody th{
  text-align:left;padding-left:24px;white-space:nowrap;
  font-family:var(--font);font-weight:600;font-size:15px;color:var(--ink);
}
.calendar tbody tr + tr th,.calendar tbody tr + tr td{border-top:1px solid var(--line)}
.calendar td{position:relative}
.calendar td.on::after{
  content:"";position:absolute;inset:10px 3px;border-radius:4px;
}
.calendar td.on--cherry::after{background:var(--accent)}
.calendar td.on--citrus::after{background:var(--citrus)}
.calendar td.on--stone::after{background:var(--stone)}

.calendar__nota{margin-top:14px;text-align:center;font-size:14px;color:var(--slate-2)}

.legend{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;margin-top:22px;font-size:14px;color:var(--slate)}
.legend li{display:flex;align-items:center;gap:8px}
.swatch{width:14px;height:14px;border-radius:4px;flex:none}
.swatch--cherry{background:var(--accent)}
.swatch--citrus{background:var(--citrus)}
.swatch--stone{background:var(--stone)}

/* ── Pasos ─────────────────────────────────────────────── */
.steps{counter-reset:step;display:grid;gap:28px;grid-template-columns:repeat(4,1fr)}
.step{counter-increment:step;position:relative;padding-top:58px}
.step::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;top:0;left:0;
  font-family:var(--font);font-size:14px;font-weight:700;color:var(--brand);
  width:42px;height:42px;border-radius:50%;
  background:var(--brand-soft);display:grid;place-items:center;
}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:15px}

/* ── CTA ───────────────────────────────────────────────── */
.cta{background:var(--ink);color:rgba(255,255,255,.72);padding-block:clamp(56px,7vw,88px)}
.cta h2{color:#fff;font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.cta__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta__inner--center{justify-content:center;text-align:center}
.cta__text{max-width:58ch}

/* ── Contacto ──────────────────────────────────────────── */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,64px)}
.contact__list--center{max-width:420px;margin-inline:auto}
.contact__list--center li{justify-content:center}
.contact__list--center strong,.contact__list--center span{text-align:center}
.contact__list li{display:flex;gap:14px;align-items:flex-start;padding-block:16px}
.contact__list li + li{border-top:1px solid var(--line)}
.contact__list svg{width:22px;height:22px;flex:none;stroke:var(--brand);fill:none;stroke-width:1.8}
.contact__list strong{display:block;color:var(--ink);font-size:15px}
.contact__list a,.contact__list span{font-size:16px}
.contact__list a:hover{color:var(--brand)}

.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(24px,3vw,36px);box-shadow:var(--sh-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-alt);font-size:16px;transition:border-color .15s ease,background .15s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);background:#fff}
.field textarea{min-height:120px;resize:vertical}
.field textarea::placeholder{color:var(--slate-2)}
.form .btn{width:100%}
.form__note{font-size:13px;color:var(--slate-2);margin-top:14px;text-align:center}

/* ── Footer ────────────────────────────────────────────── */
.footer{background:var(--ink);color:rgba(255,255,255,.62);padding-block:56px 28px;font-size:15px}
.footer a{color:rgba(255,255,255,.62);transition:color .15s ease}
.footer a:hover{color:#fff}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer__grid--slim{grid-template-columns:2fr 1fr 1fr}
.footer .logo{color:#fff;margin-bottom:14px}
.footer h4{font-family:var(--font);color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.footer li{padding-block:5px}
.footer__soft{color:rgba(255,255,255,.4)}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:24px;font-size:14px}

/* ── Reveal on scroll ──────────────────────────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width:1000px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:920px){
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-md);
    padding:8px var(--gutter) 20px;
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .burger{display:flex}
  .header__cta .btn{display:none}
  .hero__grid,.split,.contact{grid-template-columns:1fr}
  .hero__media{order:-1}
  .grid--2,.grid--3{grid-template-columns:1fr}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .hero__actions .btn{width:100%}
  .hero__stats{grid-template-columns:repeat(2,auto)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}