/* ==========================================================================
   PecPas — Landing Page
   ========================================================================== */

/* Os valores abaixo espelham os tokens do design system PecPas por valor, porque
   esta landing e servida como asset estatico (web/angular.json) e nao passa pelo
   pipeline SCSS que compila web/src/styles/tokens/. Ao alterar um token no design
   system, replique aqui. Fonte de verdade: tokens/brand.scss e tokens/foundations.scss. */
:root{
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Composicao escura da landing: excecao visual autorizada pela #142, sem
     equivalente no design system. Mantida deliberadamente. */
  --void:        #05070a;
  --void-soft:   #0b0f10;

  --surface:     #f4f6f8;  /* --ion-color-light */
  --surface-2:   #ffffff;  /* --pecpas-color-surface */
  --ink:         #17211b;  /* --pecpas-color-text-primary */
  --ink-soft:    #68736c;  /* --pecpas-color-text-secondary */

  --text-on-dark:      #f5f5f7;
  --text-on-dark-soft: rgba(245,245,247,.72);

  --accent:          #2d6a4f;    /* --ion-color-primary */
  --accent-rgb:      45, 106, 79; /* --ion-color-primary-rgb */
  --accent-2:        #3b5b7a;    /* --ion-color-secondary */
  --accent-contrast: #ffffff;    /* --ion-color-primary-contrast */

  /* Classes de vigor do produto (vermelho/amarelo/verde). Sao cores de
     codificacao de dado, nao chrome de UI, e por isso nao usam os tokens de
     feedback (danger/warning/success), cuja semantica e erro/alerta/sucesso.
     Duplicadas em js/main.js:171-183 -- alterar os dois lugares juntos. */
  --cluster-red:    #e14b3c;
  --cluster-yellow: #f0bd42;
  --cluster-green:  #3fae5c;

  --ease: cubic-bezier(.16,1,.3,1);
  --nav-h: 64px;
}

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

html{
  scroll-behavior: auto;
  background: var(--void);
}

body{
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video, canvas{ display:block; max-width:100%; }

.skip-link{
  position:absolute; left:-999px; top:0;
  background:#fff; color:#000; padding: 10px 16px; z-index: 999;
}
.skip-link:focus{ left: 10px; top: 10px; }

h1,h2,h3{
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

p{ margin: 0; }

a{ color: inherit; text-decoration: none; }

ul{ list-style: none; margin:0; padding:0; }

.eyebrow{
  font-size: clamp(.8rem, 1vw, .95rem);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  /* Variante padrao aparece apenas sobre as secoes escuras (scene-cinematic,
     scene-scan, metrics). O verde de marca nao alcanca 4.5:1 sobre --void. */
  color: var(--text-on-dark);
  margin: 0 0 14px;
}
/* Variante para as secoes claras (how, features): --accent da 5.90:1 sobre --surface. */
.eyebrow--dark{ color: var(--accent); }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .35s var(--ease), background .25s ease, box-shadow .35s ease;
  white-space: nowrap;
}
.btn--nav{
  background: var(--text-on-dark);
  color: #111;
}
.btn--nav:hover{ transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.18); }

.btn--primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
}
.btn--primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 30px rgba(var(--accent-rgb), .35); }

.btn--lg{ padding: 16px 34px; font-size: 1.05rem; margin-top: 36px; }

/* ==========================================================================
   Nav
   ========================================================================== */

.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--nav-h);
  transition: background .4s ease, backdrop-filter .4s ease, border-color .4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  background: rgba(8,10,12,.55);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-color: rgba(255,255,255,.08);
}

.nav__inner{
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__logo{
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-on-dark);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  margin-right: auto;
}
.nav__logo-mark{
  display: block;
  width: auto;
  height: 22px;
  filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), .35));
}
.nav__logo--footer .nav__logo-mark{ height: 19px; }

.nav__links{
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav__links a{
  color: var(--text-on-dark-soft);
  font-size: .88rem;
  font-weight: 500;
  transition: color .25s ease;
}
.nav__links a:hover{ color: var(--text-on-dark); }

.nav__burger{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none; border: none; cursor: pointer;
  padding: 0;
}
.nav__burger span{
  display: block; height: 2px; width: 100%;
  background: var(--text-on-dark);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav__burger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.nav__mobile{
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: rgba(8,10,12,.96);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 10px 28px 26px;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav__mobile.is-open{
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav__mobile a{
  color: var(--text-on-dark);
  padding: 12px 0;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav__mobile .btn{ margin-top: 16px; align-self: flex-start; }

/* ==========================================================================
   Scenes shared (cinematic + scan)
   ========================================================================== */

.scene{
  position: relative;
  background: var(--void);
}
.scene-sticky{
  position: sticky;
  top: 0;
  height: 100svh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-scrim{
  position: absolute;
  left: 0; right: 0;
  pointer-events: none;
  z-index: 2;
}
.scene-scrim--top{
  top: 0; height: 34%;
  background: linear-gradient(to bottom, rgba(2,3,5,.75), rgba(2,3,5,0));
}
.scene-scrim--bottom{
  bottom: 0; height: 38%;
  background: linear-gradient(to top, rgba(2,3,5,.62), rgba(2,3,5,0));
}
.scene-scrim--soft{
  height: 24%;
  background: linear-gradient(to top, rgba(2,3,5,.55), rgba(2,3,5,0));
}

/* ---- Scene 1 : cinematic video ---- */

.scene-cinematic{ height: 260vh; }

.scene-video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  background: var(--void);
}

.scene-copy{
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1100px;
  padding: 0 28px;
  text-align: center;
  color: var(--text-on-dark);
}
.scene-copy__panel{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  opacity: 0;
}
.scene-copy__panel h1,
.scene-copy__panel h2{
  font-size: clamp(1.9rem, 5.4vw, 3.6rem);
  text-wrap: balance;
}
.scene-copy__panel .eyebrow{ text-align:center; }

.scroll-cue{
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-on-dark-soft);
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  transition: opacity .4s ease;
}
.scroll-cue__line{
  width: 1px; height: 40px;
  background: rgba(255,255,255,.25);
  overflow: hidden;
  position: relative;
}
.scroll-cue__line i{
  position: absolute;
  left:0; top: -100%;
  width: 100%; height: 100%;
  background: var(--accent);
  animation: cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop{
  0%{ top: -100%; }
  60%{ top: 100%; }
  100%{ top: 100%; }
}

/* ---- Scene 2 : delimitação + scan ---- */

.scene-scan{ height: 380vh; }

.scan-bg{
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: saturate(1.05) contrast(1.03);
}

.scan-svg{
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 2;
}
.farm-boundary{
  stroke: #bdeafc;
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
  filter: url(#glow);
  opacity: .95;
}
.farm-subdivisions path{
  stroke: rgba(189,234,252,.55);
  stroke-width: 1.4;
  fill: none;
}

.scan-clusters{
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  mix-blend-mode: normal;
}

.scan-line{
  position: absolute;
  left: 0; right: 0;
  top: 0;
  height: 2px;
  z-index: 3;
  background: linear-gradient(to right, transparent, #eafcff, transparent);
  box-shadow: 0 0 24px 4px rgba(190,245,255,.85);
  opacity: 0;
}

.scan-copy{
  position: absolute;
  left: 6%;
  top: 12%;
  max-width: 460px;
  z-index: 4;
  color: var(--text-on-dark);
}
.scan-copy h2{ font-size: clamp(1.5rem, 3.2vw, 2.4rem); margin-bottom: 22px; }

.scan-legend{
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: .92rem;
  color: var(--text-on-dark-soft);
}
.scan-legend li{
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .5s ease, transform .5s ease;
}
.scan-legend li.is-visible{ opacity: 1; transform: translateX(0); }
.dot{
  width: 11px; height: 11px;
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 10px currentColor;
}
.dot--green{ background: var(--cluster-green); color: var(--cluster-green); }
.dot--yellow{ background: var(--cluster-yellow); color: var(--cluster-yellow); }
.dot--red{ background: var(--cluster-red); color: var(--cluster-red); }

.scan-metrics{
  position: absolute;
  right: 5%;
  bottom: 9%;
  z-index: 4;
  display: flex;
  gap: 14px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.scan-metrics.is-visible{ opacity: 1; transform: translateY(0); }
.scan-metrics__card{
  background: rgba(8,14,16,.55);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(14px);
  border-radius: 16px;
  padding: 14px 18px;
  min-width: 118px;
  color: var(--text-on-dark);
}
.scan-metrics__label{
  display:block;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-on-dark-soft);
  margin-bottom: 6px;
}
.scan-metrics__value{
  display:block;
  font-size: 1.3rem;
  font-weight: 700;
}

/* ==========================================================================
   Generic sections
   ========================================================================== */

.section{
  position: relative;
  background: var(--surface);
  padding: 130px 28px;
}

.section__head{
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.section__head h2{
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}
.section__head--light .eyebrow{ color: var(--text-on-dark); }
.section__head--light h2{ color: var(--text-on-dark); }

[data-reveal]{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ---- Como funciona ---- */

.how__list{
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.how__step{
  background: var(--surface-2);
  border-radius: 22px;
  padding: 30px 26px 34px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 30px rgba(0,0,0,.05);
}
.how__num{
  display:block;
  font-size: .8rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.how__icon{
  width: 48px; height: 48px;
  color: var(--accent-2);
  margin-bottom: 20px;
}
.how__icon svg{ width:100%; height:100%; }
.how__step h3{ font-size: 1.1rem; margin-bottom: 10px; }
.how__step p{ font-size: .92rem; color: var(--ink-soft); line-height: 1.55; }

/* ---- Produto / features ---- */

.features__grid{
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card{
  background: var(--surface-2);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 14px 34px rgba(0,0,0,.05);
  position: relative;
  overflow: hidden;
}
.feature-card--wide{
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 30px;
  padding: 40px;
}
.feature-card__icon{
  width: 40px; height: 40px;
  color: var(--accent-2);
  margin-bottom: 20px;
}
.feature-card__icon svg{ width:100%; height:100%; }
.feature-card h3{ font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p{ font-size: .93rem; color: var(--ink-soft); line-height: 1.6; }
.feature-card--wide h3{ font-size: 1.5rem; }
.feature-card--wide p{ font-size: 1rem; }

.feature-card__art{
  height: 220px;
  border-radius: 16px;
  overflow: hidden;
}
.feature-card__art--clusters{
  background:
    radial-gradient(circle at 20% 30%, var(--cluster-red) 0, var(--cluster-red) 12%, transparent 13%),
    radial-gradient(circle at 55% 20%, var(--cluster-yellow) 0, var(--cluster-yellow) 16%, transparent 17%),
    radial-gradient(circle at 80% 55%, var(--cluster-green) 0, var(--cluster-green) 18%, transparent 19%),
    radial-gradient(circle at 35% 70%, var(--cluster-yellow) 0, var(--cluster-yellow) 14%, transparent 15%),
    radial-gradient(circle at 70% 80%, var(--cluster-red) 0, var(--cluster-red) 13%, transparent 14%),
    radial-gradient(circle at 10% 80%, var(--cluster-green) 0, var(--cluster-green) 10%, transparent 11%),
    linear-gradient(135deg, #dfe9df, #eef2ea);
  filter: blur(18px) saturate(1.3);
  transform: scale(1.3);
}

/* ---- Resultados / métricas ---- */

.metrics{
  background: linear-gradient(180deg, #06100e, #071a17);
}
.metrics__grid{
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.metric__value{
  display: block;
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 800;
  /* A secao .metrics tem fundo escuro. O gradiente de marca recortado em texto
     ficaria em 3.16:1 e 2.85:1 -- reprovado ate para texto grande (3:1). */
  color: var(--text-on-dark);
  margin-bottom: 12px;
}
.metric__label{
  font-size: .92rem;
  color: var(--text-on-dark-soft);
  line-height: 1.5;
}
.metrics__note{
  max-width: 640px;
  margin: 56px auto 0;
  text-align: center;
  font-size: .78rem;
  color: rgba(245,245,247,.45);
}

/* ---- CTA final ---- */

.cta-final{
  background: var(--void);
  text-align: center;
  padding: 160px 28px;
}
.cta-final h2{
  color: var(--text-on-dark);
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 20px;
}
.cta-final p{
  color: var(--text-on-dark-soft);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer{
  background: var(--void);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 46px 28px 30px;
  color: var(--text-on-dark-soft);
}
.footer__top{
  max-width: 1280px;
  margin: 0 auto 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.nav__logo--footer{ color: var(--text-on-dark); }
.footer__links{
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}
.footer__links a{ font-size: .88rem; transition: color .2s ease; }
.footer__links a:hover{ color: var(--text-on-dark); }

.footer__bottom{
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8rem;
}
.footer__bottom a:hover{ color: var(--text-on-dark); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px){
  .nav__links{ display: none; }
  .btn--nav{ display: none; }
  .nav__burger{ display: flex; }

  .how__list{ grid-template-columns: 1fr 1fr; }
  .features__grid{ grid-template-columns: 1fr 1fr; }
  .feature-card--wide{ grid-column: span 2; grid-template-columns: 1fr; }
  .metrics__grid{ grid-template-columns: 1fr; gap: 44px; }

  .scan-copy{ top: 9%; left: 5%; max-width: 78%; }
  .scan-metrics{ right: 5%; left: 5%; bottom: 6%; flex-wrap: wrap; }
}

@media (max-width: 600px){
  .section{ padding: 90px 20px; }
  .how__list{ grid-template-columns: 1fr; }
  .features__grid{ grid-template-columns: 1fr; }
  .feature-card--wide{ grid-column: span 1; }
  .feature-card__art{ height: 160px; }

  .scene-cinematic{ height: 100svh; }
  .scene-scan{ height: 100svh; }
  .scene-copy__panel{ position: relative; }

  .scan-copy{ top: auto; bottom: 30%; }
  .scan-metrics{ flex-direction: column; bottom: 4%; }
}

@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity: 1; transform: none; transition: none; }
  .scroll-cue__line i{ animation: none; }
}

/* ---- Fallback: no scroll-scrub (mobile / tablet / reduced motion) ---- */
body.no-scrub .scene-cinematic,
body.no-scrub .scene-scan{
  height: 100svh;
}
body.no-scrub .scene-copy__panel{ position: relative; opacity: 1 !important; }
body.no-scrub .scene-copy__panel[data-panel="2"],
body.no-scrub .scene-copy__panel[data-panel="3"]{ display: none; }
body.no-scrub .scan-copy{ opacity: 1; }