/*
Theme Name: KeraFirm Advertorial Landing
Theme URI: https://example.com/
Author: OpenAI
Description: Landing page advertorial responsiva inspirada no layout de referência enviado pelo usuário. Sem dependências externas e pronta para instalação no WordPress.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: kerafirm-landing
*/

:root{
  --kf-green:#4f7f36;
  --kf-green-dark:#365d25;
  --kf-green-soft:#eef5e8;
  --kf-ink:#111111;
  --kf-muted:#5e625d;
  --kf-line:#e7e7e1;
  --kf-card:#f7f7f2;
  --kf-warm:#f4f1ea;
  --kf-white:#ffffff;
  --kf-shadow:0 12px 34px rgba(28,42,20,.10);
  --kf-radius:14px;
  --kf-max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#fff;
  color:var(--kf-ink);
  font-family:Arial, Helvetica, sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.kf-wrap{width:min(calc(100% - 40px),var(--kf-max));margin:0 auto}
.kf-narrow{width:min(calc(100% - 40px),980px);margin:0 auto}
.kf-section{padding:70px 0;border-top:1px solid var(--kf-line)}
.kf-eyebrow{font-size:13px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--kf-green);margin-bottom:8px}
.kf-title{font-size:clamp(31px,4vw,52px);line-height:1.05;margin:0 0 18px;font-weight:850;letter-spacing:-.035em}
.kf-section-title{font-size:clamp(27px,3.5vw,40px);line-height:1.08;margin:0 0 18px;font-weight:850;letter-spacing:-.025em}
.kf-copy{font-size:17px;color:#272a27}
.kf-muted{color:var(--kf-muted)}
.kf-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--kf-green);color:#fff;text-decoration:none;font-weight:800;border-radius:8px;padding:15px 24px;box-shadow:0 6px 14px rgba(79,127,54,.18);transition:.2s transform,.2s background}
.kf-btn:hover{background:var(--kf-green-dark);transform:translateY(-1px)}
.kf-btn--light{background:#fff;color:var(--kf-green-dark);box-shadow:none}
.kf-btn--light:hover{background:#f8fff4}

/* Header */
.kf-header{background:#fff;border-bottom:1px solid var(--kf-line);position:relative;z-index:10}
.kf-header__inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.kf-brand{display:flex;align-items:center;text-decoration:none;min-width:170px}
.kf-brand__text{font-size:31px;line-height:.9;font-weight:900;letter-spacing:-.05em;color:#111}
.kf-brand__text span{color:var(--kf-green);font-weight:500}
.kf-brand__sub{display:block;margin-top:5px;font-size:8px;letter-spacing:.06em;font-weight:700;color:#535753}
.custom-logo{max-height:54px;width:auto}
.kf-disclosure{font-size:11px;color:#636763;text-align:center;background:#fafafa;border-bottom:1px solid var(--kf-line);padding:7px 16px}

/* Hero */
.kf-hero{background:linear-gradient(90deg,#fff 0%,#fff 47%,#f0ece4 47%,#f0ece4 100%);overflow:hidden}
.kf-hero__grid{display:grid;grid-template-columns:44% 56%;min-height:510px;align-items:stretch}
.kf-hero__content{padding:54px 54px 46px 0;display:flex;flex-direction:column;justify-content:center}
.kf-hero__content .kf-title .accent{color:var(--kf-green)}
.kf-hero__lead{font-size:17px;font-weight:650;max-width:500px;margin:0 0 24px}
.kf-checks{list-style:none;margin:0;padding:17px 18px;background:linear-gradient(135deg,#f5f7f0,#eeeeea);border-radius:10px;max-width:390px}
.kf-checks li{position:relative;padding-left:28px;margin:8px 0;font-size:14px;font-weight:650}
.kf-checks li::before{content:"✓";position:absolute;left:0;top:-1px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:var(--kf-green);color:#fff;font-size:12px;font-weight:900}
.kf-hero__visual{min-height:510px;position:relative}
.kf-hero__visual img{width:100%;height:100%;object-fit:cover;object-position:center 48%}

/* Problem */
.kf-problem__heading{text-align:center;max-width:780px;margin:0 auto 34px}
.kf-problem__grid{display:grid;grid-template-columns:1.02fr 1.7fr;gap:44px;align-items:center}
.kf-problem__text p{margin:0 0 13px}
.kf-problem__text strong{display:block;margin-top:16px}
.kf-problem__cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kf-mini-card img{aspect-ratio:1.32/1;object-fit:cover;border-radius:10px;box-shadow:var(--kf-shadow)}
.kf-mini-card p{font-size:13px;font-weight:700;margin:11px 0 0;padding-left:26px;position:relative}
.kf-mini-card p::before{content:"×";position:absolute;left:0;top:1px;width:18px;height:18px;display:grid;place-items:center;border-radius:50%;background:#e63c36;color:#fff;font-weight:900;font-size:15px;line-height:1}

/* Compare */
.kf-compare__grid{display:grid;grid-template-columns:.9fr 1.55fr;gap:38px;align-items:center}
.kf-compare__panels{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}
.kf-vs{width:55px;height:55px;border-radius:50%;align-self:center;display:grid;place-items:center;background:var(--kf-green);color:#fff;font-weight:900;box-shadow:0 7px 18px rgba(79,127,54,.2)}
.kf-panel{background:#faf9f5;border-radius:14px;padding:26px 24px;border:1px solid #efede7;min-height:270px;position:relative;overflow:hidden}
.kf-panel--good{background:#f7fbf4}
.kf-panel h3{margin:0 0 20px;font-size:18px}
.kf-panel ul{list-style:none;padding:0;margin:0}
.kf-panel li{font-size:14px;margin:12px 0;padding-left:24px;position:relative}
.kf-panel li::before{content:"○";position:absolute;left:0;top:0;color:#a8aaa6}
.kf-panel--good li::before{content:"✓";color:var(--kf-green);font-weight:900}
.kf-nail-illustration{position:absolute;bottom:-18px;right:25px;width:80px;height:140px;border-radius:50px 50px 28px 28px;background:linear-gradient(#f0c0aa,#efb49b);box-shadow:inset 0 -10px 20px rgba(140,58,33,.08)}
.kf-nail-illustration::before{content:"";position:absolute;top:7px;left:18px;width:44px;height:62px;border-radius:24px 24px 18px 18px;background:linear-gradient(#fff,#f9ddd2);border:1px solid rgba(255,255,255,.75)}
.kf-brush{position:absolute;right:53px;top:68px;width:8px;height:88px;background:#222;border-radius:6px;transform:rotate(8deg)}
.kf-brush::after{content:"";position:absolute;bottom:-24px;left:1px;width:6px;height:27px;background:linear-gradient(#222,#795e42);border-radius:0 0 4px 4px}

/* Product/Solution */
.kf-solution{background:linear-gradient(#fff,#fff)}
.kf-solution__grid{display:grid;grid-template-columns:.85fr 1.1fr .9fr;gap:32px;align-items:center}
.kf-product-stage{min-height:430px;display:flex;align-items:center;justify-content:center;position:relative}
.kf-product-stage::before{content:"";position:absolute;width:350px;height:350px;border-radius:50%;background:radial-gradient(circle,#f1f7ed 0 55%,transparent 56%);z-index:0}
.kf-product-stage img{max-height:470px;position:relative;z-index:1;filter:drop-shadow(0 22px 22px rgba(37,48,32,.17))}
.kf-features{display:grid;gap:20px}
.kf-feature{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start}
.kf-feature__icon{width:34px;height:34px;border:2px solid var(--kf-green);border-radius:50%;display:grid;place-items:center;color:var(--kf-green);font-weight:900}
.kf-feature h4{margin:0 0 3px;font-size:15px}
.kf-feature p{margin:0;font-size:13px;color:#555a54}

/* Ingredients */
.kf-ingredients{background:linear-gradient(180deg,#f8f7f3,#fff)}
.kf-ingredients__title{text-align:center;margin-bottom:26px}
.kf-ingredient-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.kf-ingredient{background:#fff;border:1px solid #eee9df;border-radius:14px;padding:14px 12px 17px;text-align:center;box-shadow:0 6px 18px rgba(37,48,32,.06)}
.kf-ingredient__art{height:92px;border-radius:10px;background:linear-gradient(145deg,#f3f1e9,#fff);display:grid;place-items:center;font-size:44px;margin-bottom:12px}
.kf-ingredient h4{margin:0 0 6px;font-size:14px}
.kf-ingredient p{font-size:11px;line-height:1.35;color:#61645e;margin:0}
.kf-ingredients__note{text-align:center;font-size:12px;margin-top:18px;color:#545952}

/* How to use / guarantee */
.kf-bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.kf-box{border:1px solid #ece9e2;background:linear-gradient(135deg,#fbfaf7,#f4f3ef);border-radius:14px;padding:28px}
.kf-box__label{text-align:center;margin-bottom:20px}
.kf-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.kf-step{text-align:center;position:relative}
.kf-step__num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--kf-green);color:#fff;font-weight:900;margin:0 auto 10px}
.kf-step__art{height:105px;border-radius:11px;background:#fff;display:grid;place-items:center;font-size:48px;border:1px solid #ece9e2;margin-bottom:10px}
.kf-step h4{font-size:15px;margin:0 0 5px}
.kf-step p{font-size:11px;line-height:1.35;margin:0;color:#555a54}
.kf-guarantee{display:grid;grid-template-columns:1fr 165px;gap:24px;align-items:center}
.kf-guarantee h3{font-size:27px;line-height:1.1;margin:0 0 14px}
.kf-seal{width:155px;height:155px;border-radius:50%;background:radial-gradient(circle at 50% 50%,#6c9b4d 0 48%,#487632 49% 66%,#eaf4e5 67% 69%,#4f7f36 70%);display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;font-weight:900;font-size:27px;line-height:.92;transform:rotate(-7deg);box-shadow:0 10px 22px rgba(79,127,54,.19)}
.kf-seal small{display:block;font-size:10px;letter-spacing:.08em;margin-top:5px}

/* CTA */
.kf-final{padding:0 0 26px;border-top:0}
.kf-final__box{background:linear-gradient(90deg,#4d7d35,#5e8c42);border-radius:12px;display:grid;grid-template-columns:130px 1fr auto;align-items:center;gap:20px;color:#fff;padding:18px 30px;overflow:hidden}
.kf-final__product img{max-height:130px;margin:-10px 0 -18px;filter:drop-shadow(0 9px 10px rgba(0,0,0,.18))}
.kf-final__copy h3{font-size:25px;line-height:1.08;margin:0 0 6px}
.kf-final__copy p{margin:0;font-size:14px;opacity:.9}

/* Footer */
.kf-footer{padding:10px 0 28px;font-size:9px;color:#696e68}
.kf-footer__grid{display:grid;grid-template-columns:1.3fr 1.2fr 1fr;gap:28px}
.kf-footer p{margin:0}
.kf-footer__links{text-align:right}
.kf-footer__links a{text-decoration:none;color:var(--kf-green-dark);font-weight:700}
.kf-copyright{text-align:right;margin-top:8px!important}

@media (max-width: 980px){
  .kf-hero{background:#fff}
  .kf-hero__grid{grid-template-columns:1fr 1fr;min-height:440px}
  .kf-hero__content{padding:40px 28px 40px 0}
  .kf-hero__visual{min-height:440px}
  .kf-problem__grid,.kf-compare__grid{grid-template-columns:1fr}
  .kf-solution__grid{grid-template-columns:1fr 1.1fr}
  .kf-solution__intro{grid-column:1/-1}
  .kf-ingredient-grid{grid-template-columns:repeat(3,1fr)}
  .kf-bottom-grid{grid-template-columns:1fr}
  .kf-final__box{grid-template-columns:100px 1fr}
  .kf-final__box .kf-btn{grid-column:1/-1;width:100%}
}

@media (max-width: 720px){
  .kf-wrap,.kf-narrow{width:min(calc(100% - 28px),var(--kf-max))}
  .kf-section{padding:48px 0}
  .kf-header__inner{min-height:68px}
  .kf-header .kf-btn{padding:11px 13px;font-size:12px}
  .kf-brand__text{font-size:26px}
  .kf-brand{min-width:0}
  .kf-hero__grid{grid-template-columns:1fr;min-height:0}
  .kf-hero__content{padding:38px 0 30px}
  .kf-hero__visual{min-height:360px;border-radius:12px 12px 0 0;overflow:hidden}
  .kf-problem__cards{grid-template-columns:1fr}
  .kf-mini-card{display:grid;grid-template-columns:130px 1fr;gap:15px;align-items:center}
  .kf-mini-card p{margin:0}
  .kf-compare__panels{grid-template-columns:1fr}
  .kf-vs{margin:-4px auto;z-index:2}
  .kf-solution__grid{grid-template-columns:1fr}
  .kf-product-stage{min-height:330px}
  .kf-product-stage img{max-height:360px}
  .kf-ingredient-grid{grid-template-columns:repeat(2,1fr)}
  .kf-steps{grid-template-columns:1fr}
  .kf-step{display:grid;grid-template-columns:48px 86px 1fr;align-items:center;gap:12px;text-align:left}
  .kf-step__num{margin:0}
  .kf-step__art{height:74px;margin:0;font-size:34px}
  .kf-guarantee{grid-template-columns:1fr;text-align:center}
  .kf-seal{margin:0 auto}
  .kf-final__box{grid-template-columns:80px 1fr;padding:18px}
  .kf-final__copy h3{font-size:20px}
  .kf-footer__grid{grid-template-columns:1fr;gap:16px}
  .kf-footer__links,.kf-copyright{text-align:left}
}