/* ==========================================================================
   DFA Diferenciagro Clothing — styles.css
   Paleta, tipografia e tokens podem ser ajustados nas variáveis abaixo.
   ========================================================================== */

:root{
  --black:#0a0906;
  --deep-green:#10251b;
  --deep-green-2:#0d1f17;
  --gold:#c99a3d;
  --soft-gold:#e7c873;
  --cream:#f3ead7;
  --cream-2:#eee2c8;
  --leather:#4a2f1d;
  --white:#ffffff;

  --ink:#1b1812;
  --ink-soft:#5b5546;

  --font-display:'Prata', 'Georgia', serif;
  --font-body:'Inter', system-ui, -apple-system, sans-serif;

  --radius:2px;
  --container:1600px;
  --ease:cubic-bezier(.16,.8,.24,1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}

img{ max-width:100%; display:block; }
h1,h2,h3,h4{ font-weight:400; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}

/* ============== TYPOGRAPHY HELPERS ============== */
.eyebrow{
  font-family:var(--font-body);
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:12px;
  font-weight:600;
  color:var(--gold);
  margin:0 0 10px;
}
.eyebrow--light{ color:var(--soft-gold); }

.section__title{
  font-family:var(--font-display);
  font-weight:400;
  font-size:clamp(28px,4vw,44px);
  line-height:1.12;
  margin:0 0 16px;
  color:var(--ink);
}
.section__title--light{ color:var(--cream); }

.section__lead{
  font-size:17px;
  color:var(--ink-soft);
  max-width:620px;
  margin:0;
}
.section__lead--light{ color:#cdd4ca; }

.section__head{ margin-bottom:48px; max-width:680px; }

/* ============== BUTTONS ============== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:16px 30px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn--small{ padding:11px 20px; font-size:13px; }
.btn--gold{
  background:linear-gradient(135deg,var(--soft-gold),var(--gold));
  color:var(--black);
  box-shadow:0 8px 24px -8px rgba(201,154,61,.55);
}
.btn--gold:hover{ transform:translateY(-2px); box-shadow:0 14px 28px -8px rgba(201,154,61,.65); }
.btn--ghost{
  border-color:rgba(255,255,255,.5);
  color:var(--white);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(2px);
}
.btn--ghost:hover{ background:rgba(255,255,255,.14); transform:translateY(-2px); }
.btn--ghost-dark{
  border-color:rgba(10,9,6,.35);
  color:var(--black);
}
.btn--ghost-dark:hover{ background:rgba(10,9,6,.08); }
.btn--outline-gold{
  border-color:var(--gold);
  color:var(--leather);
  background:transparent;
}
.btn--outline-gold:hover{ background:var(--gold); color:var(--black); }
.btn--dark{
  background:var(--ink);
  color:var(--cream);
}
.btn--dark:hover{ transform:translateY(-2px); background:#000; }
.btn--dark-outline{
  border-color:var(--ink);
  color:var(--ink);
  background:transparent;
}
.btn--dark-outline:hover{ background:var(--ink); color:var(--cream); }

/* ============== HEADER ============== */
.header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  background:rgba(10,9,6,0);
  transition:background .35s var(--ease), box-shadow .35s var(--ease), padding .35s var(--ease);
  padding:18px 0;
}
.header.is-scrolled{
  background:rgba(10,9,6,.92);
  box-shadow:0 8px 30px -10px rgba(0,0,0,.5);
  padding:12px 0;
  backdrop-filter:blur(6px);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.header__logo img{ height:36px; width:auto; }
.header__nav{
  display:flex;
  gap:28px;
  font-size:14px;
  font-weight:500;
  color:var(--cream);
  flex:1;
  justify-content:center;
}
.header__nav a{ position:relative; padding:4px 0; opacity:.85; transition:opacity .2s; }
.header__nav a:hover{ opacity:1; }
.header__nav a::after{
  content:'';
  position:absolute; left:0; bottom:-2px;
  width:0; height:1px; background:var(--gold);
  transition:width .25s var(--ease);
}
.header__nav a:hover::after{ width:100%; }

.header__actions{ display:flex; align-items:center; gap:14px; }
.header__icon{
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px;
  border-radius:50%;
  color:var(--cream);
  transition:background .2s, color .2s;
}
.header__icon:hover{ background:rgba(231,200,115,.12); color:var(--soft-gold); }

.header__burger{
  display:none;
  background:none; border:none;
  width:32px; height:24px;
  position:relative;
  flex-direction:column;
  justify-content:space-between;
}
.header__burger span{
  display:block; height:2px; width:100%;
  background:var(--cream);
  transition:transform .25s, opacity .25s;
}
.header__burger.is-active span:nth-child(1){ transform:translateY(9px) rotate(45deg); }
.header__burger.is-active span:nth-child(2){ opacity:0; }
.header__burger.is-active span:nth-child(3){ transform:translateY(-9px) rotate(-45deg); }

@media (max-width: 880px){
  .header__nav{
    display:flex; flex-direction:column;
    position:fixed; top:0; right:0;
    height:100vh; width:min(78vw,320px);
    background:var(--cream);
    padding:100px 32px 32px;
    justify-content:flex-start;
    gap:24px;
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    color:var(--ink);
  }
  .header__nav.is-open{ transform:translateX(0); }
  .header__burger{ display:flex; }
  .header__actions .btn--small{ display:none; }
}

/* ============== HERO — foto cheia, degradê de baixo (versão original) ============== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--black);
}
.hero__media{ position:absolute; inset:0; }
.hero__media picture{ display:block; width:100%; height:100%; }
.hero__media img{ width:100%; height:100%; object-fit:cover; object-position:center 30%; }
.hero__overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,9,6,.35) 0%, rgba(10,9,6,.55) 55%, rgba(10,9,6,.92) 100%);
}
.hero__content{
  position:relative;
  z-index:2;
  width:100%;
  padding-bottom:90px;
  padding-top:160px;
  color:var(--cream);
}
.hero__title{
  font-family:var(--font-display);
  font-weight:400;
  font-size:clamp(32px,5vw,58px);
  line-height:1.12;
  max-width:760px;
  margin:0 0 22px;
  color:var(--white);
}
.hero__subtitle{
  font-size:17px;
  color:#e3dac6;
  max-width:540px;
  margin:0 0 36px;
}
.hero__actions{ display:flex; gap:16px; flex-wrap:wrap; }

@media (max-width:880px){
  .hero{ min-height:84vh; }
  .hero__content{ padding-top:120px; padding-bottom:120px; }
  .hero__overlay{ background:linear-gradient(180deg, rgba(10,9,6,.35) 0%, rgba(10,9,6,.6) 50%, rgba(10,9,6,1) 88%, rgba(10,9,6,1) 100%); }
  .hero__media img{ object-position:50% 22%; }
}
@media (max-width:640px){
  .hero__actions{ flex-direction:column; }
  .hero__actions .btn{ width:100%; }
}

/* ============== SECTIONS ============== */
.section{ padding:96px 0; }
.section--alt{ background:var(--cream-2); }
.section--dark{ background:var(--black); color:var(--cream); }

/* fade in on scroll */
.fade-in{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.fade-in.is-visible{ opacity:1; transform:translateY(0); }

/* ============== CONCEITO — layout dividido (foto + cards) ============== */
.concept{
  display:grid;
  grid-template-columns:48% 52%;
  background:var(--cream-2);
  min-height:680px;
}
.concept__media{ position:relative; overflow:hidden; }
.concept__media img{ width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.concept__content{
  padding:88px 64px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.concept__content .section__title{ margin-bottom:36px; }

/* Cards — contorno fino, sem preenchimento sólido */
.cards3{
  display:flex;
  flex-direction:column;
  gap:30px;
}
.card{
  background:none;
  border:none;
  padding:0;
  transition:transform .3s var(--ease);
  display:flex;
  align-items:flex-start;
  gap:18px;
}
.card:hover{
  transform:translateX(4px);
}
.card__mark{
  font-family:var(--font-display);
  font-size:34px;
  color:var(--gold);
  flex-shrink:0;
  line-height:1;
}
.card__body h3{ font-family:var(--font-display); font-size:19px; margin:0 0 6px; }
.card__body p{ margin:0; color:var(--ink-soft); font-size:14.5px; line-height:1.55; }

@media (max-width:980px){
  .concept{ grid-template-columns:1fr; min-height:auto; }
  .concept__media{ aspect-ratio:16/11; }
  .concept__content{ padding:56px 24px; }
}

/* ============== STEPS ============== */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  margin-bottom:48px;
}
.step__head{
  display:flex;
  align-items:baseline;
  gap:12px;
  margin-bottom:10px;
}
.step__num{
  font-family:var(--font-display);
  font-size:30px;
  color:var(--gold);
  line-height:1;
  flex-shrink:0;
}
.step h3{ font-family:var(--font-display); font-size:19px; margin:0; }
.step p{ color:var(--ink-soft); margin:0; font-size:14.5px; line-height:1.55; }
.section--dark .step h3{ color:var(--cream); }
.section--dark .step p{ color:#b9c0b3; }
.section__cta{ text-align:center; }

@media (max-width:880px){ .steps{ grid-template-columns:1fr; gap:28px; } }

/* ============== GALLERY ============== */
.gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.gallery__item{ margin:0; position:relative; overflow:hidden; border-radius:var(--radius); aspect-ratio:3/4; }
.gallery__item img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.gallery__item:hover img{ transform:scale(1.06); }
.gallery__item figcaption{
  position:absolute; left:0; right:0; bottom:0;
  padding:18px 16px 16px;
  background:linear-gradient(180deg, transparent, rgba(10,9,6,.88));
  color:var(--cream);
  display:flex; flex-direction:column; gap:4px;
}
.gallery__item figcaption strong{ font-family:var(--font-display); font-size:16px; }
.gallery__item figcaption span{ font-size:12.5px; color:#d9d0ba; }

@media (max-width:980px){ .gallery{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .gallery{ grid-template-columns:1fr; } }

/* ============== VIDEO BLOCK ============== */
.video-block{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:48px;
  align-items:center;
}
.video-block__text{ max-width:420px; }
.video-block__frame{
  position:relative;
  border:none;
  padding:0;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--deep-green);
}
.video-block__frame--embed iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:none;
  border-radius:var(--radius);
}
.video-block__frame img{ width:100%; height:100%; object-fit:cover; opacity:.55; }
.video-block__play{
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  width:68px; height:68px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--soft-gold),var(--gold));
  color:var(--black);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 14px 30px -8px rgba(201,154,61,.6);
  transition:transform .3s var(--ease);
}
.video-block__frame:hover .video-block__play{ transform:translate(-50%,-50%) scale(1.08); }
.video-block__caption{
  position:absolute; left:20px; bottom:18px;
  text-align:left;
  color:var(--cream);
  font-size:13px;
  display:flex; flex-direction:column; gap:2px;
}
.video-block__caption strong{ font-family:var(--font-display); font-size:15px; }

@media (max-width:880px){
  .video-block{ grid-template-columns:1fr; }
}

/* ============== PRODUCTS ============== */
.products{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.product{
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(74,47,29,.1);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.product:hover{ transform:translateY(-6px); box-shadow:0 24px 48px -24px rgba(74,47,29,.3); }
.product__media{
  position:relative;
  display:block;
  width:100%;
  padding:0;
  border:0;
  background:none;
  cursor:pointer;
  aspect-ratio:4/3;
  overflow:hidden;
}
.product__media img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.product__media:hover img{ transform:scale(1.05); }
.product__play{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:14px 18px;
  background:linear-gradient(transparent, rgba(10,9,6,.78));
  color:var(--cream);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  text-align:left;
}
.product__info{ padding:28px; }
.product__info h3{ font-family:var(--font-display); font-size:23px; margin:0 0 10px; }
.product__info p{ color:var(--ink-soft); font-size:15px; margin:0 0 20px; min-height:44px; }
.product__row{ display:flex; align-items:flex-end; justify-content:space-between; gap:12px; flex-wrap:wrap; }
.product__price{ display:flex; flex-direction:column; line-height:1.2; }
.product__price-old{ font-family:var(--font-body); font-size:13px; color:var(--ink-soft); text-decoration:line-through; }
.product__price-new{ font-family:var(--font-display); font-size:20px; color:var(--deep-green); font-weight:700; }
.product__badge{ margin-top:2px; font-size:10px; letter-spacing:.05em; text-transform:uppercase; color:var(--gold); font-weight:700; }

@media (max-width:1080px){ .products{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:780px){ .products{ grid-template-columns:1fr; } }

/* ============== LIGHTBOX (pop-up fotos + vídeo do modelo) ============== */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(10,9,6,.92);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:1000;
  padding:20px;
}
.lightbox.is-open{ display:flex; }
.lightbox__box{
  background:var(--cream);
  width:100%;
  max-width:720px;
  max-height:92vh;
  overflow-y:auto;
  border-radius:4px;
  position:relative;
}
.lightbox__close{
  position:absolute;
  top:8px;
  right:12px;
  background:none;
  border:0;
  color:var(--white);
  font-size:30px;
  line-height:1;
  cursor:pointer;
  z-index:5;
  text-shadow:0 1px 6px rgba(0,0,0,.7);
}
.lightbox__title{
  padding:18px 20px 6px;
  font-family:var(--font-display);
  font-size:20px;
  color:var(--deep-green);
}
.lightbox__stage{
  position:relative;
  aspect-ratio:4/3;
  background:#000;
}
.lightbox__stage img{
  width:100%;
  height:100%;
  object-fit:contain;
  position:absolute;
  inset:0;
}
.lightbox__nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  background:rgba(10,9,6,.45);
  color:var(--white);
  border:0;
  width:40px;
  height:40px;
  border-radius:50%;
  font-size:20px;
  cursor:pointer;
  transition:background .2s;
}
.lightbox__nav:hover{ background:rgba(10,9,6,.7); }
.lightbox__nav--prev{ left:12px; }
.lightbox__nav--next{ right:12px; }
.lightbox__dots{ display:flex; gap:7px; justify-content:center; padding:14px 0 4px; }
.lightbox__dot{ width:8px; height:8px; border-radius:50%; background:var(--ink-soft); opacity:.4; cursor:pointer; }
.lightbox__dot.is-active{ opacity:1; background:var(--deep-green); }
.lightbox__video{ padding:0 20px; margin-top:10px; }
.lightbox__video video{ width:100%; border-radius:3px; display:block; background:#000; }
.lightbox__videobtn{
  display:block;
  width:calc(100% - 40px);
  margin:16px 20px 20px;
  text-align:center;
  background:var(--black);
  color:var(--soft-gold);
  padding:13px;
  border-radius:3px;
  font-size:13.5px;
  font-weight:600;
  border:1px dashed var(--soft-gold);
  cursor:pointer;
  transition:background .2s;
}
.lightbox__videobtn:hover{ background:#000; }

/* ============== PUBLIC / AUDIENCE ============== */
.public__grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.public__list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.public__list li{
  background:var(--white);
  border:1px solid rgba(74,47,29,.12);
  padding:16px 18px;
  font-size:14.5px;
  font-weight:500;
  border-radius:var(--radius);
  position:relative;
  padding-left:34px;
}
.public__list li::before{
  content:'';
  position:absolute; left:14px; top:50%;
  transform:translateY(-50%);
  width:8px; height:8px;
  background:var(--gold);
  border-radius:50%;
}

@media (max-width:880px){
  .public__grid{ grid-template-columns:1fr; gap:32px; }
  .public__list{ grid-template-columns:1fr; }
}

/* ============== DIFFERENTIALS ============== */
.diffs{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:rgba(74,47,29,.12);
  border:1px solid rgba(74,47,29,.12);
}
.diffs__item{
  background:var(--cream);
  padding:32px 26px;
  display:flex;
  gap:16px;
}
.diffs__n{
  font-family:var(--font-display);
  color:var(--gold);
  font-size:22px;
  flex-shrink:0;
}
.diffs__item p{ margin:0; font-size:15px; color:var(--ink); }

@media (max-width:880px){ .diffs{ grid-template-columns:1fr; } }

/* ============== TESTIMONIALS ============== */
.testimonials{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.testimonial{
  margin:0;
  background:var(--white);
  border-left:3px solid var(--gold);
  padding:28px 26px;
  border-radius:var(--radius);
}
.testimonial p{ font-size:15.5px; font-style:italic; color:var(--ink); margin:0 0 14px; }
.testimonial cite{ font-size:13px; color:var(--ink-soft); font-style:normal; }

@media (max-width:880px){ .testimonials{ grid-template-columns:1fr; } }

/* ============== FAQ ACCORDION ============== */
.faq{ width:100%; }
.faq__item{
  border-bottom:1px solid rgba(74,47,29,.18);
}
.faq__question{
  width:100%;
  background:none;
  border:none;
  text-align:left;
  padding:22px 4px;
  font-family:var(--font-display);
  font-size:18px;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq__icon{
  flex-shrink:0;
  width:18px; height:18px;
  position:relative;
}
.faq__icon::before, .faq__icon::after{
  content:'';
  position:absolute;
  background:var(--gold);
  top:50%; left:50%;
  transform:translate(-50%,-50%);
}
.faq__icon::before{ width:14px; height:2px; }
.faq__icon::after{ width:2px; height:14px; transition:transform .25s var(--ease); }
.faq__item.is-open .faq__icon::after{ transform:translate(-50%,-50%) rotate(90deg) scaleY(0); }

.faq__answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s var(--ease);
}
.faq__answer p{ margin:0 0 22px; padding-right:30px; color:var(--ink-soft); font-size:15px; }

/* ============== CTA FINAL ============== */
.cta-final{
  background:var(--black);
  padding:90px 0;
  text-align:center;
  color:var(--cream);
}
.cta-final h2{
  font-family:var(--font-display);
  font-size:clamp(28px,4vw,42px);
  margin:0 0 14px;
  color:var(--white);
}
.cta-final p{ margin:0 0 32px; font-size:17px; color:#cdd4ca; }
.cta-final__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ============== FOOTER ============== */
.footer{ background:var(--black); color:#c9c2ad; padding:64px 0 32px; }
.footer__inner{ text-align:center; }
.footer__logo{ width:70px; margin:0 auto 18px; }
.footer__tag{ font-family:var(--font-display); font-size:16px; color:var(--cream); margin:0 0 28px; }
.footer__links{ display:flex; gap:28px; justify-content:center; flex-wrap:wrap; font-size:14px; margin-bottom:28px; }
.footer__links a{ opacity:.8; transition:opacity .2s; }
.footer__links a:hover{ opacity:1; color:var(--gold); }
.footer__notice{ font-size:12.5px; opacity:.55; max-width:480px; margin:0 auto; }
.footer__legal{ font-size:11.5px; opacity:.45; max-width:520px; margin:10px auto 0; line-height:1.6; }

/* ============== WHATSAPP FLOAT ============== */
.whatsapp-float{
  position:fixed;
  bottom:24px;
  right:24px;
  width:58px; height:58px;
  border-radius:50%;
  background:#1ea952;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 26px -6px rgba(0,0,0,.45);
  z-index:90;
  transition:transform .25s var(--ease);
}
.whatsapp-float:hover{ transform:scale(1.08); }

/* ============== RESPONSIVE GENERAL ============== */
@media (max-width:680px){
  .section{ padding:64px 0; }
  .container{ padding:0 20px; }
}