/*
Theme Name: Cota Zero House
Theme URI: https://cotazerohouse.com
Author: Cota Zero House
Description: Tema corporatiu per a Cota Zero House, constructora a Sabadell.
Version: 2.0.0
License: GNU General Public License v2 or later
Text Domain: cotazero
*/

/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  --green:        #6ab04c;
  --green-dark:   #4d9a30;
  --green-light:  #eef6e8;
  --text:         #1a1a1a;
  --text-2:       #555;
  --text-3:       #999;
  --bg:           #fff;
  --bg-2:         #f7f7f5;
  --border:       #e5e5e0;
  --font-h:       'Playfair Display', Georgia, serif;
  --font-b:       'Inter', -apple-system, sans-serif;
  --max:          1200px;
  --nav-h:        68px;
  --r:            6px;
  --shadow:       0 2px 8px rgba(0,0,0,.08);
  --shadow-md:    0 6px 24px rgba(0,0,0,.13);
  --ease:         all .22s ease;
  --pad:          6rem;
}

/* ============================================================
   RESET
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-b);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:var(--font-b);cursor:pointer}

/* ============================================================
   TIPOGRAFIA
   ============================================================ */
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.15;color:var(--text);font-weight:400}
h1{font-size:clamp(2.4rem,4.5vw,3.8rem)}
h2{font-size:clamp(1.9rem,3.2vw,2.75rem)}
h3{font-size:1.15rem;font-family:var(--font-b);font-weight:600}
h4{font-size:.95rem;font-family:var(--font-b);font-weight:600}
p{color:var(--text-2);line-height:1.75}

/* ============================================================
   LAYOUT
   ============================================================ */
.container{max-width:var(--max);margin:0 auto;padding:0 2rem}
section{padding:var(--pad) 0}
.section-label{display:inline-block;font-size:.72rem;font-weight:600;color:var(--green);letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.25rem}
.section-header{margin-bottom:3.5rem}
.section-header h2{margin-bottom:.75rem}
.section-header p{font-size:1rem;max-width:560px}

/* ============================================================
   BOTONS
   ============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.8rem 1.9rem;border-radius:var(--r);font-size:.875rem;font-weight:500;letter-spacing:.02em;transition:var(--ease);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff}
.btn-outline{background:transparent;color:var(--text);border-color:rgba(28,28,28,.35)}
.btn-outline:hover{background:var(--text);color:#fff;border-color:var(--text)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-white:hover{background:rgba(255,255,255,.15);border-color:#fff}
.btn-white{background:#fff;color:var(--green-dark);border-color:#fff}
.btn-white:hover{background:transparent;color:#fff;border-color:rgba(255,255,255,.8)}
.link-arrow{color:var(--green);font-size:.9rem;font-weight:500;display:inline-flex;align-items:center;gap:.4rem;transition:gap .2s}
.link-arrow:hover{gap:.7rem;color:var(--green-dark)}
.link-arrow::after{content:'→';font-size:1rem}

/* ============================================================
   HEADER / NAVEGACIÓ
   ============================================================ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:var(--shadow)}
.navbar{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);max-width:var(--max);margin:0 auto;padding:0 2rem;gap:1.5rem}

/* Logo */
.nav-logo{display:flex;flex-shrink:0}
.logo-mark{display:flex;flex-direction:column;line-height:1.05;gap:0}
.logo-mark span{display:block;font-family:var(--font-b);font-size:.72rem;font-weight:700;letter-spacing:.1em;color:var(--green);text-transform:lowercase}
.logo-house{font-size:.52rem!important;letter-spacing:.2em!important;color:var(--text-3)!important;font-weight:500!important}
.footer-logo-mark span{color:rgba(255,255,255,.9)!important}
.footer-logo-mark .logo-house{color:rgba(255,255,255,.35)!important}

/* Links */
.nav-links{display:flex;align-items:center;gap:2rem;flex:1;justify-content:center}
.nav-links a{font-size:.85rem;color:var(--text-2);position:relative;padding-bottom:2px}
.nav-links a::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:1.5px;background:var(--green);transition:width .2s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

/* Dreta */
.nav-right{display:flex;align-items:center;gap:1.25rem;flex-shrink:0}
.lang-switcher{display:flex;align-items:center;gap:.5rem}
.lang-btn{font-size:.72rem;font-weight:600;color:var(--text-3);letter-spacing:.06em;cursor:pointer;padding:.2rem .45rem;border-radius:3px;border:none;background:none;transition:var(--ease)}
.lang-btn.active{background:var(--green);color:#fff}
.lang-btn:not(.active):hover{color:var(--green)}

/* Mòbil */
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:4px;z-index:10}
.mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--text);transition:var(--ease);border-radius:2px}
.mobile-menu-btn.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-menu-btn.open span:nth-child(2){opacity:0}
.mobile-menu-btn.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:#d8d5cf;
  background-size:cover;background-position:center right}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.78) 38%,rgba(255,255,255,.3) 65%,rgba(255,255,255,0) 100%)}
.hero-content{position:relative;z-index:1;padding:calc(var(--nav-h) + 4rem) 2rem 4rem;max-width:620px;margin-left:max(2rem,calc((100vw - var(--max)) / 2 + 2rem))}
.hero-eyebrow{font-size:.75rem;font-weight:600;color:var(--green);letter-spacing:.15em;text-transform:uppercase;margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem}
.hero-eyebrow::before{content:'';display:block;width:28px;height:1.5px;background:var(--green)}
.hero-title{font-size:clamp(2.4rem,4.5vw,3.8rem);font-weight:400;line-height:1.1;margin-bottom:1.5rem;letter-spacing:-.01em}
.hero-desc{font-size:.975rem;max-width:460px;margin-bottom:2.75rem;line-height:1.75}
.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}

/* ============================================================
   QUI SOM
   ============================================================ */
.about-section{background:var(--bg)}
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:6rem;align-items:start}
.about-left h2{margin-bottom:1.25rem}
.about-left>p{margin-bottom:1rem;max-width:440px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.feature-line{width:28px;height:2px;background:var(--green);margin-bottom:.9rem}
.feature-item h4{margin-bottom:.4rem}
.feature-item p{font-size:.85rem;line-height:1.6}

/* ============================================================
   SERVEIS
   ============================================================ */
.services-section{background:var(--bg-2)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.service-card{background:#fff;padding:2rem 1.75rem;border-radius:var(--r);border:1px solid var(--border);transition:var(--ease)}
.service-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:transparent}
.service-num{font-size:.68rem;font-weight:600;color:var(--green);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.25rem;display:block}
.service-card h3{margin-bottom:.65rem}
.service-card p{font-size:.85rem;line-height:1.65}

/* ============================================================
   PROJECTES PORTADA — Carrusel Swiper
   ============================================================ */
.projects-section{background:var(--bg);overflow:hidden}
.projects-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:2.5rem;gap:1rem}

/* Wrapper Swiper */
.projects-swiper-wrap{position:relative;padding:0 2rem 2.5rem}
.projects-swiper{overflow:hidden;padding-bottom:2rem!important}

/* Navegació fletxes */
.swiper-nav-btn{position:absolute;top:50%;transform:translateY(-60%);z-index:10;width:44px;height:44px;background:#fff;border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--ease);box-shadow:var(--shadow)}
.swiper-nav-btn:hover{background:var(--green);border-color:var(--green);color:#fff}
.swiper-nav-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.swiper-btn-prev{left:-22px}
.swiper-btn-next{right:-22px}

/* Paginació punts */
.swiper-pagination-bullet{background:var(--border)!important;opacity:1!important}
.swiper-pagination-bullet-active{background:var(--green)!important}

/* ── Targeta de projecte (portada + arxiu) ── */
.project-card{border-radius:var(--r);overflow:hidden;background:var(--bg);border:1px solid var(--border);transition:var(--ease)}
.project-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:transparent}

/* Galeria d'imatges dins la targeta */
.project-gallery{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-2)}
.project-gallery img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:0;transition:opacity .35s ease}
.project-gallery img.active{opacity:1}

/* Botons fletxa dins la galeria */
.gallery-nav{position:absolute;bottom:10px;right:10px;display:flex;gap:6px;z-index:2}
.gallery-nav button{width:30px;height:30px;background:rgba(255,255,255,.85);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--ease);font-size:14px;color:var(--text)}
.gallery-nav button:hover{background:#fff;box-shadow:var(--shadow)}

/* Punts galeria */
.gallery-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:5px;z-index:2}
.gallery-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.6);border:none;cursor:pointer;transition:var(--ease);padding:0}
.gallery-dot.active{background:#fff;transform:scale(1.25)}

/* Peu de la targeta */
.project-info{padding:1rem 1.25rem 1.25rem}
.project-meta{display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem}
.project-tag{font-size:.65rem;font-weight:700;color:var(--green);letter-spacing:.14em;text-transform:uppercase}
.project-badge{font-size:.62rem;font-weight:600;padding:.2rem .55rem;border-radius:20px;letter-spacing:.06em;text-transform:uppercase}
.badge-en-curs{background:var(--green-light);color:var(--green-dark)}
.badge-finalitzat{background:#e8f0e8;color:#3a6b3a}
.project-card h3{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:.2rem}
.project-location{font-size:.82rem;color:var(--text-3)}

/* Botó "Més projectes" */
.projects-more{text-align:center;margin-top:2.5rem}

/* ============================================================
   PÀGINA ARXIU PROJECTES (/projectes)
   ============================================================ */
.archive-hero{padding:calc(var(--nav-h) + 3rem) 0 2.5rem;background:var(--bg-2);border-bottom:1px solid var(--border)}
.archive-hero h1{margin-bottom:.6rem}
.archive-hero p{font-size:1rem;max-width:540px}

/* Filtres */
.projects-filter{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;padding:2rem 0}
.filter-btn{padding:.5rem 1.25rem;border-radius:30px;border:1.5px solid var(--border);background:#fff;font-size:.82rem;font-weight:500;color:var(--text-2);cursor:pointer;transition:var(--ease)}
.filter-btn:hover{border-color:var(--green);color:var(--green)}
.filter-btn.active{background:var(--green);border-color:var(--green);color:#fff}
.filter-label{font-size:.82rem;color:var(--text-3);margin-right:.25rem}

/* Grid arxiu */
.archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.archive-grid .project-card{/* Targeta més gran */}
.archive-grid .project-gallery{aspect-ratio:16/11}
.archive-grid .project-info{padding:1.25rem 1.5rem 1.5rem}
.archive-grid .project-card h3{font-size:1.05rem}

/* Estat ocult quan es filtra */
.project-card.hidden{display:none}

/* Missatge "no resultats" */
.no-results-msg{display:none;text-align:center;padding:3rem;color:var(--text-3);grid-column:1/-1}
.no-results-msg.visible{display:block}

/* ============================================================
   CULTURA
   ============================================================ */
.culture-section{background:var(--bg);text-align:center;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.culture-inner{max-width:580px;margin:0 auto}
.culture-inner h2{margin-bottom:1rem}
.culture-inner p{margin-bottom:2rem}

/* ============================================================
   CTA
   ============================================================ */
.cta-section{background:var(--green);text-align:center;padding:6rem 0}
.cta-inner{max-width:580px;margin:0 auto;padding:0 2rem}
.cta-section h2{color:#fff;margin-bottom:1.1rem}
.cta-section p{color:rgba(255,255,255,.85);margin-bottom:2.5rem}

/* ============================================================
   CONTACTE
   ============================================================ */
.contact-section{background:var(--bg-2)}
.contact-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:5rem;align-items:start}
.contact-info h2{margin-bottom:1.25rem}
.contact-info>p{margin-bottom:2rem}
.contact-details{display:flex;flex-direction:column;gap:1.25rem}
.contact-detail-label{font-size:.72rem;font-weight:600;color:var(--green);letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:.15rem}
.contact-detail-value{font-size:.95rem;color:var(--text)}
.contact-detail-value a:hover{color:var(--green)}
.contact-form{display:flex;flex-direction:column;gap:1.1rem}
.form-group{display:flex;flex-direction:column;gap:.35rem}
.form-group label{font-size:.8rem;font-weight:500;color:var(--text)}
.form-group input,.form-group textarea,.form-group select{font-family:var(--font-b);font-size:.9rem;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:.72rem 1rem;outline:none;width:100%;transition:border-color .2s,box-shadow .2s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(106,176,76,.15)}
.form-group textarea{resize:vertical;min-height:130px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:#181818;padding:4rem 0 2rem}
.footer-inner{max-width:var(--max);margin:0 auto;padding:0 2rem}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-tagline{font-size:.85rem;color:rgba(255,255,255,.4);margin-top:.9rem;max-width:220px;line-height:1.6}
.footer-col-title{font-size:.7rem;font-weight:600;color:rgba(255,255,255,.45);letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.1rem}
.footer-links-list{display:flex;flex-direction:column;gap:.6rem}
.footer-links-list a{font-size:.875rem;color:rgba(255,255,255,.5);transition:color .2s}
.footer-links-list a:hover{color:#fff}
.footer-contact-item{margin-bottom:.75rem}
.footer-contact-item span:first-child{font-size:.68rem;font-weight:600;color:rgba(255,255,255,.3);letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:.1rem}
.footer-contact-item a,.footer-contact-item span:last-child{font-size:.875rem;color:rgba(255,255,255,.5)}
.footer-contact-item a:hover{color:var(--green)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer-copyright{font-size:.8rem;color:rgba(255,255,255,.28)}
.footer-legal{display:flex;gap:1.5rem}
.footer-legal a{font-size:.8rem;color:rgba(255,255,255,.28);transition:color .2s}
.footer-legal a:hover{color:rgba(255,255,255,.6)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  :root{--pad:5rem}
  .about-inner{gap:3.5rem}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .archive-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:2rem}
}

@media(max-width:768px){
  :root{--pad:4rem}
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(255,255,255,.98);flex-direction:column;align-items:flex-start;padding:1.5rem 2rem;gap:1.25rem;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md)}
  .nav-links.open{display:flex}
  .nav-links a{font-size:1rem}
  .nav-right{display:none}
  .mobile-menu-btn{display:flex}
  .hero-content{margin-left:0;padding:calc(var(--nav-h) + 3rem) 1.5rem 3rem;max-width:100%}
  .hero-buttons{flex-direction:column;align-items:flex-start}
  .hero-buttons .btn{width:100%;max-width:260px;justify-content:center}
  .about-inner{grid-template-columns:1fr;gap:2.5rem}
  .services-grid{grid-template-columns:1fr}
  .archive-grid{grid-template-columns:1fr}
  .contact-inner{grid-template-columns:1fr;gap:3rem}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .projects-header{flex-direction:column;align-items:flex-start;gap:.5rem}
  .swiper-btn-prev{left:0}
  .swiper-btn-next{right:0}
}

@media(max-width:480px){
  .about-features{grid-template-columns:1fr}
  .archive-grid{grid-template-columns:1fr}
}