/* SPICe Agro — agro.spicelab.cl  ·  styles.css
   Paleta brandbook confirmada + sistema visual de spice-agtech.html */
:root{
  --navy:#191f39;--navy-deep:#10142a;--navy-soft:#1f2747;
  --teal:#317286;--teal-dim:rgba(49,114,134,.14);
  --sage:#a8a894;--cream:#fffbdc;
  --ochre:#cb9831;--ochre-dim:rgba(203,152,49,.13);
  --paper:#f5f0e4;--paper-2:#ede6d5;--card:#fdfbf5;
  --ink:#1d2233;--ink-soft:#565c72;--line:rgba(29,34,51,.12);
  --shadow:0 1px 3px rgba(25,31,57,.06),0 20px 44px -24px rgba(25,31,57,.32);
  --serif:'Fraunces',Georgia,serif;
  --sans:'Hanken Grotesk',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.45;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.042'/%3E%3C/svg%3E");mix-blend-mode:multiply}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--ochre);color:var(--navy)}
:focus-visible{outline:3px solid var(--ochre-dim);outline-offset:3px;border-radius:4px}

.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(1.25rem,5vw,2.5rem)}
.mono{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase}
.eyebrow{color:var(--teal);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--teal)}
.eyebrow--ochre{color:var(--ochre)}.eyebrow--ochre::before{background:var(--ochre)}
.eyebrow--cream{color:var(--cream)}.eyebrow--cream::before{background:var(--cream)}
.sec-head{max-width:58ch}
.sec-head h2{font-family:var(--serif);font-weight:600;font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.04;letter-spacing:-.022em;margin:14px 0}
.sec-head h2 em,.em-ochre{font-style:italic;color:var(--ochre)}
.sec-head p{color:var(--ink-soft);font-size:1.06rem}

/* Buttons */
.btn{font-family:var(--sans);font-weight:600;font-size:.94rem;padding:12px 22px;border-radius:100px;border:1.5px solid var(--navy);background:var(--navy);color:var(--cream);cursor:pointer;transition:.22s;display:inline-flex;align-items:center;gap:8px}
.btn:hover{background:var(--navy-deep);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:var(--cream)}
.btn.ochre{background:var(--ochre);border-color:var(--ochre);color:var(--navy-deep)}
.btn.ochre:hover{background:#d9a128;border-color:#d9a128}
.btn.ghost-light{background:transparent;border-color:rgba(255,251,220,.4);color:var(--cream)}
.btn.ghost-light:hover{background:rgba(255,251,220,.08);border-color:var(--cream)}

/* Header */
header{position:sticky;top:0;z-index:100;background:rgba(245,240,228,.87);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
header.scrolled{box-shadow:0 4px 24px -12px rgba(25,31,57,.25)}
nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:1.5rem}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand svg{width:36px;height:36px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-wm{font-family:var(--serif);font-weight:600;font-size:1.28rem;letter-spacing:-.01em;color:var(--ink)}
.brand-wm span{color:var(--ochre);font-style:italic}
.brand-tag{font-family:var(--mono);font-size:.58rem;letter-spacing:.2em;color:var(--ink-soft);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none}
.nav-links a{font-size:.92rem;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--teal);font-weight:600}
.nav-links a.active::after{content:"";display:block;height:2px;background:var(--ochre);border-radius:2px;margin-top:3px}
.nav-links a.nav-ext{color:var(--teal);font-weight:500}
.nav-links a.nav-ext:hover{color:var(--navy)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.3rem;color:var(--ink)}
.nav-toggle svg{width:24px;height:24px}
@media(max-width:780px){
  .nav-links{position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:.5rem 1.5rem 1rem;clip-path:inset(0 0 100% 0);transition:clip-path .3s ease}
  .nav-links.open{clip-path:inset(0 0 0 0)}
  .nav-links li{border-top:1px solid var(--line)}
  .nav-links a,.nav-links .btn{display:block;padding:.9rem .2rem}
  .nav-links a.active::after{display:none}
  .nav-links .btn{text-align:center;border-radius:100px;margin:.4rem 0 0}
  .nav-toggle{display:inline-flex}
}

/* Hero */
.hero{position:relative;background:linear-gradient(155deg,var(--navy-deep),var(--navy) 50%,var(--navy-soft));color:var(--cream);padding:clamp(4.5rem,9vw,7rem) 0 clamp(5rem,10vw,8rem);overflow:hidden}
.hero .topo{position:absolute;inset:0;stroke:var(--teal);opacity:.12;pointer-events:none}
.hero .ghostmark{position:absolute;right:-80px;top:30px;width:clamp(300px,38vw,480px);height:clamp(300px,38vw,480px);color:var(--ochre);opacity:.09;pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.8rem,6.5vw,5.2rem);line-height:.97;letter-spacing:-.028em;max-width:14ch;margin:20px 0}
.hero .lead{font-size:clamp(1.06rem,1.5vw,1.26rem);color:rgba(255,251,220,.82);max-width:46ch;margin:0 0 2.2rem}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:3.5rem}
.hero-meta{display:flex;gap:clamp(1.5rem,4vw,2.8rem);flex-wrap:wrap}
.hero-meta-item{border-left:1px solid rgba(255,251,220,.22);padding-left:16px}
.hero-meta-item .k{font-family:var(--serif);font-size:1.6rem;font-weight:600;color:var(--cream);line-height:1}
.hero-meta-item .v{font-size:.82rem;color:var(--sage);margin-top:4px}

/* Animations */
.rise{opacity:0;transform:translateY(22px);animation:rise .85s cubic-bezier(.2,.72,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.d1{animation-delay:.04s}.d2{animation-delay:.16s}.d3{animation-delay:.28s}.d4{animation-delay:.4s}.d5{animation-delay:.52s}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .75s ease,transform .75s cubic-bezier(.2,.72,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Seminario */
.seminario{padding:clamp(4rem,8vw,6.5rem) 0;background:var(--cream)}
.sem-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.sem-lead{font-size:1.06rem;color:var(--ink-soft);margin:1rem 0 1.8rem;line-height:1.72}
.sem-items{list-style:none;display:grid;gap:.85rem;margin-bottom:2rem}
.sem-items li{display:flex;gap:.85rem;align-items:flex-start;font-size:.97rem}
.sem-items li svg{width:20px;height:20px;flex:none;margin-top:2px;color:var(--teal)}
.ticket{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow);position:sticky;top:88px}
.ticket-label{font-family:var(--mono);font-size:.65rem;letter-spacing:.18em;color:var(--teal);margin-bottom:.8rem}
.ticket h3{font-family:var(--serif);font-size:1.9rem;font-weight:600;letter-spacing:-.016em;margin-bottom:.25rem}
.ticket .sub{color:var(--ink-soft);font-size:.9rem;margin-bottom:1.5rem}
.ticket-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:.9rem;padding:.3rem 0}
.ticket-row .k{color:var(--ink-soft)}
.ticket-row .v{font-weight:600;text-align:right}
.ticket-specs{padding:1.2rem 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);margin-bottom:1.4rem;display:grid;gap:.6rem}
.ticket-price{padding-bottom:1rem;border-bottom:1px dashed var(--line);margin-bottom:1rem}
.ticket-price .amount{font-family:var(--serif);font-size:2.2rem;font-weight:600;color:var(--ink)}
.ticket .btn{width:100%;justify-content:center;margin-top:.6rem}
.ticket-note{font-size:.75rem;color:var(--ink-soft);margin-top:1rem;text-align:center;line-height:1.55}

/* Pillars */
.pillars{background:linear-gradient(160deg,var(--navy-deep),var(--navy));color:var(--cream);padding:clamp(4rem,8vw,6.5rem) 0;position:relative;overflow:hidden}
.pillars .topo{position:absolute;inset:0;stroke:#fff;opacity:.05;pointer-events:none}
.pillars .wrap{position:relative;z-index:2}
.pillars .sec-head h2{color:var(--cream)}
.pillars .sec-head p{color:var(--sage)}
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:3rem}
.pcard{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.11);border-radius:18px;padding:clamp(1.4rem,2.5vw,1.9rem);transition:.25s;position:relative}
.pcard:hover{transform:translateY(-4px);background:rgba(255,255,255,.07);border-color:var(--ochre)}
.pcard .ico{width:44px;height:44px;color:var(--ochre);margin-bottom:18px}
.pcard h3{font-family:var(--serif);font-weight:600;font-size:1.45rem;margin-bottom:9px;letter-spacing:-.01em}
.pcard>p{color:var(--sage);font-size:.95rem;line-height:1.65}
.pcard ul{list-style:none;margin-top:1rem;display:flex;flex-direction:column;gap:7px}
.pcard li{font-size:.84rem;color:rgba(255,251,220,.85);padding-left:16px;position:relative}
.pcard li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--teal)}
.pcard .pcard-cta{margin-top:1.4rem;display:inline-flex;font-size:.88rem}
.badge-soon{position:absolute;top:1.2rem;right:1.2rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;background:rgba(203,152,49,.18);color:var(--ochre);padding:.28rem .65rem;border-radius:100px;border:1px solid rgba(203,152,49,.3)}
@media(max-width:820px){.pcards{grid-template-columns:1fr}}

/* Ciencia */
.ciencia{padding:clamp(4rem,8vw,6.5rem) 0}
.sci-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:clamp(2.5rem,6vw,5rem);align-items:center}
.sci-grid p{color:var(--ink-soft);margin-bottom:14px}
.chip{display:inline-flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.chip span{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;border:1px solid var(--line);border-radius:100px;padding:5px 11px;color:var(--teal)}
.sci-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:clamp(1.4rem,2.5vw,2rem);box-shadow:var(--shadow)}
.sci-card .mono{color:var(--teal);margin-bottom:.5rem;display:block}
.spectrum{width:100%;height:108px;margin:1rem 0 .5rem;color:var(--navy)}
.readout{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:1.2rem}
.readout div{border-top:1px solid var(--line);padding-top:9px}
.readout .k{font-family:var(--serif);font-size:1.35rem;font-weight:600;color:var(--teal);line-height:1}
.readout .v{font-size:.77rem;color:var(--ink-soft);margin-top:3px}
@media(max-width:820px){.sci-grid{grid-template-columns:1fr;gap:2rem}}

/* CTA final */
.cta-final{padding:clamp(3rem,6vw,5rem) 0 clamp(4rem,7vw,6rem)}
.cta-box{background:linear-gradient(135deg,var(--navy),var(--navy-deep));color:var(--cream);border-radius:28px;padding:clamp(2.5rem,5vw,4rem) clamp(1.5rem,6vw,4rem);position:relative;overflow:hidden}
.cta-box .ghostmark{position:absolute;right:-50px;bottom:-60px;width:280px;height:280px;color:var(--ochre);opacity:.09;pointer-events:none}
.cta-box .inner{position:relative;z-index:2;max-width:56ch}
.cta-box h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.04;letter-spacing:-.022em;margin:12px 0 10px}
.cta-box p{color:var(--sage);margin-bottom:1.8rem}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
footer{border-top:1px solid var(--line);padding:clamp(2.5rem,5vw,3.5rem) 0}
.foot{display:flex;justify-content:space-between;gap:2.5rem;flex-wrap:wrap;align-items:flex-start}
.foot-brand p{color:var(--ink-soft);font-size:.86rem;max-width:30ch;margin-top:12px;line-height:1.65}
.foot-brand .by{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--ink-soft);display:inline-flex;align-items:center;gap:6px;margin-top:12px}
.foot-cols{display:flex;gap:clamp(2rem,5vw,3.5rem);flex-wrap:wrap}
.foot-col h4{font-family:var(--mono);font-size:.67rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:12px}
.foot-col a{display:block;font-size:.9rem;color:var(--ink);margin-bottom:8px;transition:color .2s}
.foot-col a:hover{color:var(--teal)}
.legal{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;color:var(--ink-soft);font-size:.76rem;font-family:var(--mono);letter-spacing:.04em}

/* WhatsApp */
.wa{position:fixed;right:clamp(1rem,3vw,1.6rem);bottom:clamp(1rem,3vw,1.6rem);width:52px;height:52px;border-radius:50%;z-index:90;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px -8px rgba(37,211,102,.65);transition:transform .2s}
.wa:hover{transform:scale(1.07)}
.wa svg{width:28px;height:28px}

@media(max-width:580px){.sem-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}}