/* ===== enxufa — styles.css (v3) ===== */

/* RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* VARIABLES */
:root{
  --deep:#1B3A4B;
  --deep-mid:#275064;
  --orange:#E8734A;
  --orange-soft:#EE8E6A;
  --orange-pale:#FDF0E9;
  --green:#2E7A50;
  --green-soft:#3D9966;
  --green-pale:#EBF5F0;
  --cream:#F5F1EA;
  --cream-mid:#EDE8E0;
  --gray-bg:#E5E7EB;
  --white:#FFFFFF;
  --gray-200:#DDD7CE;
  --gray-400:#9B9286;
  --text:#2C2520;
  --text-sub:#5E554D;
  --shadow-sm:0 1px 8px rgba(27,58,75,.05);
  --shadow-md:0 4px 24px rgba(27,58,75,.08);
  --shadow-lg:0 8px 40px rgba(27,58,75,.11);
  --radius:10px;
  --radius-lg:16px;
  --ease:cubic-bezier(.25,.46,.45,.94);
}

/* BASE */
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Nunito Sans',system-ui,sans-serif;color:var(--text);line-height:1.7;background:var(--cream);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:'Lora',Georgia,serif;font-weight:600;line-height:1.3;color:var(--deep)}
h1{font-size:clamp(1.85rem,4.2vw,2.85rem)}
h2{font-size:clamp(1.45rem,3vw,2.1rem);margin-bottom:.6rem}
h3{font-size:clamp(1.05rem,2vw,1.3rem)}
p{max-width:640px}
a{color:var(--orange);text-decoration:none;transition:color .3s var(--ease)}
a:hover{color:var(--orange-soft)}

/* LAYOUT */
.container{width:100%;max-width:1060px;margin:0 auto;padding:0 1.25rem}
section{padding:4.5rem 0}
.tag{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);margin-bottom:.5rem}
.sub{font-size:1.05rem;color:var(--text-sub);max-width:540px;margin-bottom:2.2rem}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

/* NAV */
nav{position:fixed;top:0;width:100%;z-index:100;background:rgba(245,241,234,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(27,58,75,.05);transition:box-shadow .3s}
nav.scrolled{box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:58px}
.nav-brand img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:1.6rem;list-style:none}
.nav-links a{font-size:.87rem;font-weight:600;color:var(--text-sub)}
.nav-links a:hover{color:var(--deep)}
.nav-cta{display:inline-flex;padding:.45rem 1.1rem;background:var(--orange);color:var(--white)!important;border-radius:8px;font-size:.84rem;font-weight:700;transition:all .3s var(--ease)}
.nav-cta:hover{background:var(--orange-soft);color:var(--white)!important;transform:translateY(-1px)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:.4rem}
.mobile-toggle span{display:block;width:20px;height:2px;background:var(--deep);margin:4px 0;transition:.3s}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.85rem 1.8rem;border-radius:var(--radius);font-family:'Nunito Sans',sans-serif;font-size:.95rem;font-weight:700;cursor:pointer;border:none;transition:all .3s var(--ease);text-decoration:none}
.btn-brand{background:var(--orange);color:var(--white)}
.btn-brand:hover{background:var(--orange-soft);color:var(--white);transform:translateY(-2px);box-shadow:0 4px 20px rgba(232,115,74,.25)}
.btn-outline{background:transparent;color:var(--deep);border:1.5px solid var(--gray-200)}
.btn-outline:hover{border-color:var(--deep);color:var(--deep)}
.btn-deep{background:var(--deep);color:var(--white)}
.btn-deep:hover{background:var(--deep-mid);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* HERO */
.hero{position:relative;padding:7rem 0 4rem;background:linear-gradient(172deg,var(--cream) 0%,#F0EBE2 50%,var(--white) 100%);overflow:hidden}
.hero::before{content:'';position:absolute;top:-30%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(232,115,74,.04) 0%,transparent 70%);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center;position:relative;z-index:1}
.hero-content{max-width:530px}
.hero-pill{display:inline-flex;align-items:center;gap:.3rem;background:var(--orange-pale);color:var(--orange);padding:.3rem .85rem;border-radius:100px;font-size:.77rem;font-weight:700;margin-bottom:1.2rem}
.hero-pill svg{width:14px;height:14px;flex-shrink:0}
.hero h1{margin-bottom:1rem;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero-sub{font-size:1.08rem;color:var(--text-sub);margin-bottom:.5rem;line-height:1.75}
.hero-claim{font-family:'Lora',serif;font-style:italic;font-size:1rem;color:var(--deep-mid);margin-bottom:1.6rem;opacity:.75}
.hero-buttons{display:flex;gap:.7rem;flex-wrap:wrap;margin-bottom:1.8rem}
.hero-trust{display:flex;flex-wrap:wrap;gap:1rem;padding-top:1.2rem;border-top:1px solid var(--gray-200)}
.ti{display:flex;align-items:center;gap:.3rem;font-size:.77rem;color:var(--gray-400);font-weight:600}
.ti svg{width:14px;height:14px;color:var(--green);flex-shrink:0}

/* HERO DIAGRAM */
.hero-visual{display:flex;justify-content:center}
.hero-diagram{width:100%;max-width:360px}
.diagram-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:2rem 1.5rem;text-align:center}
.diagram-flow{display:flex;align-items:center;justify-content:center;gap:.6rem;margin-bottom:1.5rem;flex-wrap:nowrap}
.diagram-node{display:flex;flex-direction:column;align-items:center;gap:.35rem}
.diagram-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.diagram-icon.wall{background:var(--gray-bg);color:var(--text-sub)}
.diagram-icon.device{background:var(--orange);padding:10px;border-radius:12px;box-shadow:0 4px 16px rgba(232,115,74,.3)}
.diagram-icon.device img{width:100%;height:100%;object-fit:contain;filter:brightness(0) invert(1)}
.diagram-icon.termo{background:var(--deep);color:var(--white)}
.diagram-label{font-size:.72rem;font-weight:700;color:var(--text-sub);text-transform:uppercase;letter-spacing:.05em}
.diagram-label.highlight{color:var(--orange);font-size:.75rem}
.diagram-arrow{color:var(--gray-400);font-size:1.2rem;flex-shrink:0;margin-top:-1.2rem}
.diagram-claim{font-family:'Lora',serif;font-size:.92rem;color:var(--deep);font-weight:500;margin-bottom:1rem}
.diagram-claim strong{color:var(--orange)}
.diagram-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem}
.diagram-tag{display:inline-flex;align-items:center;gap:.25rem;background:var(--cream);padding:.35rem .7rem;border-radius:6px;font-size:.73rem;font-weight:700;color:var(--text-sub)}
.diagram-tag svg{width:12px;height:12px;color:var(--green);flex-shrink:0}

/* PROBLEM */
.problem{background:var(--white)}
.problem-content{max-width:680px;margin:0 auto;text-align:center}
.problem-content h2{margin-bottom:1rem}
.problem-content p{margin:0 auto .8rem;font-size:1.05rem;color:var(--text-sub)}
.problem-highlight{background:var(--orange-pale);border-left:3px solid var(--orange);padding:1rem 1.3rem;border-radius:0 var(--radius) var(--radius) 0;margin:1.5rem auto 0;max-width:540px;font-size:.92rem;color:var(--text);font-weight:500;text-align:left}
.problem-source{display:block;margin-top:.4rem;font-size:.78rem;color:var(--gray-400);font-weight:400;font-style:italic}

/* SOLUTION */
.solution{background:var(--cream)}
.sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.sol-text h2{margin-bottom:.8rem}
.sol-text p{font-size:1rem;color:var(--text-sub);margin-bottom:.8rem}
.sol-analogy{display:flex;align-items:flex-start;gap:.6rem;background:var(--green-pale);border-radius:var(--radius);padding:1rem 1.2rem;margin-top:1rem}
.sol-analogy svg{width:20px;height:20px;color:var(--green);flex-shrink:0;margin-top:.15rem}
.sol-analogy p{font-size:.9rem;color:var(--green);font-weight:600;max-width:none}
.sol-visual{display:flex;justify-content:center}
.sol-steps-mini{list-style:none;display:flex;flex-direction:column;gap:.8rem;max-width:300px}
.sol-steps-mini li{display:flex;align-items:center;gap:.7rem;background:var(--white);padding:1rem;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.sol-steps-mini .num{width:36px;height:36px;border-radius:50%;background:var(--deep);color:var(--white);display:flex;align-items:center;justify-content:center;font-family:'Lora',serif;font-size:.95rem;font-weight:700;flex-shrink:0}
.sol-steps-mini .stxt{font-size:.9rem;font-weight:600;color:var(--text)}
.sol-steps-mini .stxt span{display:block;font-weight:400;font-size:.82rem;color:var(--text-sub)}

/* HOW */
.how{background:var(--white)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;counter-reset:stp}
.stp{text-align:center;padding:1.2rem .8rem}
.stp::before{counter-increment:stp;content:counter(stp);display:flex;align-items:center;justify-content:center;width:40px;height:40px;margin:0 auto .8rem;background:var(--orange);color:var(--white);border-radius:50%;font-family:'Lora',serif;font-size:1rem;font-weight:700}
.stp h3{margin-bottom:.3rem;font-size:1rem}
.stp p{font-size:.87rem;color:var(--text-sub);max-width:220px;margin:0 auto}

/* VIDEO */
.video-section{background:var(--cream)}
.video-wrap{max-width:720px;margin:0 auto}
.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}

/* BIO */
.bio{background:var(--white)}
.bio-card{background:var(--cream);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:2.5rem;max-width:800px;margin:0 auto}
.bio-header{text-align:center;margin-bottom:1.5rem}
.bio-header p{color:var(--text-sub);font-size:.95rem}
.bio-profiles{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:1.5rem}
.bio-person{text-align:center}
.bio-avatar{width:90px;height:90px;border-radius:50%;background:var(--cream-mid);margin:0 auto .7rem;display:flex;align-items:center;justify-content:center;font-family:'Lora',serif;font-size:1.8rem;color:var(--deep);font-weight:700;border:2px solid var(--gray-200)}
.bio-person h3{font-size:1.05rem;margin-bottom:.15rem}
.bio-person .role{font-size:.82rem;color:var(--orange);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.bio-person p{font-size:.88rem;color:var(--text-sub);margin-top:.4rem}
.bio-story{background:var(--white);border-radius:var(--radius);padding:1.3rem 1.5rem;font-size:.92rem;color:var(--text-sub);line-height:1.75;text-align:center}
.bio-story strong{color:var(--text);font-weight:600}

/* SAVINGS CALLOUT */
.savings-callout{background:var(--green-pale);border-radius:var(--radius-lg);padding:1.8rem 2rem;max-width:640px;margin:2.5rem auto 0;text-align:center}
.savings-callout p{font-size:1.05rem;color:var(--deep);font-weight:600;max-width:none;margin:0 auto}
.savings-callout p strong{color:var(--green);font-size:1.15rem}

/* RESERVE */
.reserve{background:linear-gradient(170deg,var(--deep) 0%,#1E4A5E 100%);color:var(--white);overflow:hidden;position:relative}
.reserve::before{content:'';position:absolute;top:-20%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(232,115,74,.08) 0%,transparent 70%);border-radius:50%}
.reserve h2{color:var(--white)}
.reserve .tag{color:var(--orange-soft)}
.reserve-inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start;position:relative;z-index:1}
.reserve-text{max-width:440px}
.reserve-text p{color:rgba(255,255,255,.8);font-size:.98rem;margin-bottom:1rem}
.reserve-text ul{list-style:none;margin-bottom:1rem}
.reserve-text li{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:rgba(255,255,255,.85);margin-bottom:.45rem}
.reserve-text li svg{width:15px;height:15px;color:var(--orange-soft);flex-shrink:0}
.res-card{background:var(--white);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-lg);text-align:center;max-width:400px}
.urgency{display:flex;align-items:center;justify-content:center;gap:.4rem;background:var(--orange-pale);border:1.5px solid var(--orange);border-radius:8px;padding:.6rem 1rem;margin-bottom:1.2rem;font-size:.85rem;font-weight:700;color:#7A3D1A}
.urgency svg{width:16px;height:16px;color:var(--orange);flex-shrink:0}
.plazas-num{font-family:'Lora',serif;font-size:1.4rem;font-weight:700;color:var(--orange);line-height:1;vertical-align:baseline}
.res-card h3{color:var(--deep);font-size:1.2rem;margin-bottom:.2rem}
.res-price{display:flex;align-items:baseline;justify-content:center;gap:.2rem;margin:.8rem 0}
.res-price .cur{font-size:1.1rem;font-weight:800;color:var(--orange)}
.res-price .amt{font-family:'Lora',serif;font-size:2.8rem;color:var(--orange);line-height:1}
.res-price .lbl{font-size:.85rem;color:var(--text-sub);margin-left:.25rem}
.res-btn{width:100%;padding:.95rem;font-size:1.02rem;margin:.6rem 0}
.res-micro{font-size:.76rem;color:var(--gray-400);line-height:1.5;margin-top:.4rem}
.wyg{background:var(--cream);border-radius:var(--radius);padding:1.1rem 1.2rem;margin-top:1rem;text-align:left}
.wyg h4{font-family:'Nunito Sans',sans-serif;font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--deep);margin-bottom:.5rem}
.wyg ul{list-style:none}
.wyg li{display:flex;align-items:flex-start;gap:.4rem;font-size:.85rem;color:var(--text-sub);margin-bottom:.35rem;line-height:1.45}
.wyg li svg{width:14px;height:14px;color:var(--green);flex-shrink:0;margin-top:.15rem}

/* BENEFITS */
.benefits{background:var(--cream)}
.ben-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.3rem}
.ben{padding:1.3rem;border-radius:var(--radius);background:var(--white);transition:box-shadow .3s,transform .3s}
.ben:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.ben-ico{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:.7rem;font-size:1.2rem}
.ben-ico.o{background:var(--orange-pale);color:var(--orange)}
.ben-ico.g{background:var(--green-pale);color:var(--green)}
.ben-ico.d{background:#E4EDF5;color:var(--deep)}
.ben h3{margin-bottom:.25rem;font-size:.98rem}
.ben p{font-size:.87rem;color:var(--text-sub)}

/* MODES */
.modes{background:var(--white)}
.modes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.3rem}
.mode{background:var(--cream);border-radius:var(--radius-lg);padding:1.8rem 1.3rem;text-align:center;border-top:4px solid transparent;transition:box-shadow .3s,transform .3s}
.mode:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.mode.s{border-top-color:var(--green)}
.mode.e{border-top-color:var(--deep-mid)}
.mode.c{border-top-color:var(--orange)}
.mode-ico{font-size:1.8rem;margin-bottom:.5rem}
.mode h3{margin-bottom:.4rem}
.mode p{font-size:.87rem;color:var(--text-sub);max-width:260px;margin:0 auto}

/* TRUST */
.trust{background:var(--cream)}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.3rem}
.tblock{display:flex;gap:.7rem;align-items:flex-start}
.tblock svg{flex-shrink:0;width:20px;height:20px;color:var(--green);margin-top:.2rem}
.tblock h3{font-size:.95rem;margin-bottom:.15rem;font-family:'Nunito Sans',sans-serif;font-weight:800;color:var(--deep)}
.tblock p{font-size:.87rem;color:var(--text-sub)}

/* FAQ */
.faq{background:var(--white)}
.faq-list{max-width:680px;margin:0 auto}
.faq-item{background:var(--cream);border-radius:var(--radius);margin-bottom:.5rem;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-q{width:100%;background:none;border:none;padding:1rem 1.2rem;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:'Nunito Sans',sans-serif;font-size:.92rem;font-weight:700;color:var(--deep);transition:background .2s}
.faq-q:hover{background:var(--cream-mid)}
.faq-q svg{width:16px;height:16px;flex-shrink:0;transition:transform .3s;color:var(--gray-400)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease),padding .35s}
.faq-item.open .faq-a{max-height:500px;padding:0 1.2rem 1rem}
.faq-a p{font-size:.88rem;color:var(--text-sub);line-height:1.7}

/* CTA FINAL */
.final-cta{background:var(--cream);text-align:center;padding:4rem 0}
.final-cta h2{margin-bottom:.5rem}
.final-cta p{margin:0 auto 1.3rem;color:var(--text-sub);font-size:1rem}

/* NEWSLETTER */
.newsletter{background:var(--cream-mid);padding:3.5rem 0}
.nl-card{max-width:520px;margin:0 auto;text-align:center}
.nl-card h2{font-size:1.3rem;margin-bottom:.3rem}
.nl-card p{font-size:.92rem;color:var(--text-sub);margin:0 auto .8rem}
.nl-fields{display:flex;flex-direction:column;gap:.5rem;max-width:420px;margin:0 auto}
.nl-fields input{padding:.7rem .9rem;border:1.5px solid var(--gray-200);border-radius:8px;font-family:'Nunito Sans',sans-serif;font-size:.9rem;color:var(--text);background:var(--white)}
.nl-fields input:focus{outline:none;border-color:var(--deep)}
.nl-micro{font-size:.75rem;color:var(--gray-400);margin-top:.5rem}

/* FOOTER */
footer{background:var(--deep);color:rgba(255,255,255,.55);padding:2rem 0 1.2rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem}
.footer-brand img{height:26px;width:auto;filter:brightness(0) invert(1);opacity:.7}
.footer-links{display:flex;flex-wrap:wrap;gap:.8rem 1.3rem;list-style:none}
.footer-links a{color:rgba(255,255,255,.45);font-size:.8rem;transition:color .3s}
.footer-links a:hover{color:var(--white)}
.footer-bottom{text-align:center;margin-top:1.2rem;padding-top:.8rem;border-top:1px solid rgba(255,255,255,.07);font-size:.75rem}
.footer-terreta{font-style:italic;opacity:.7;margin-top:.3rem;font-size:.72rem}

/* REVEAL */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:768px){
  .hero-grid,.sol-grid,.reserve-inner,.bio-profiles{grid-template-columns:1fr}
  .hero-visual{order:-1;margin-bottom:.5rem}
  .hero-diagram{max-width:300px;margin:0 auto}
  .nav-links{display:none}
  .mobile-toggle{display:block}
  .steps-grid{grid-template-columns:1fr 1fr}
  section{padding:3rem 0}
  .hero{padding:5.5rem 0 3rem}
  .hero-buttons{flex-direction:column}
  .hero-buttons .btn{width:100%;justify-content:center}
  .reserve-text{max-width:100%}
  .res-card{max-width:100%}
  .bio-card{padding:1.5rem}
}
@media(max-width:480px){
  .steps-grid{grid-template-columns:1fr}
  .diagram-flow{gap:.3rem}
  .diagram-icon{width:46px;height:46px;font-size:1.3rem}
}