/* ========== VARIABLES ========== */
:root {
  --color-primary: #7B2D8E;
  --color-primary-dark: #5A1D6E;
  --color-primary-deeper: #3D0F52;
  --color-accent: #C836A0;
  --color-accent-light: #E04FBF;
  --color-gradient: linear-gradient(135deg, #7B2D8E 0%, #C836A0 100%);
  --color-gradient-hover: linear-gradient(135deg, #6A2580 0%, #B02E8E 100%);
  --color-gradient-soft: linear-gradient(135deg, #8E3DA3 0%, #D450B0 100%);
  --color-dark: #1a0a2e;
  --color-dark-alt: #120820;
  --color-light: #f8f4fc;
  --color-light-alt: #f0e8f6;
  --color-white: #ffffff;
  --color-text: #2d2d3d;
  --color-text-light: #ddd0ee;
  --color-text-muted: #6b6b80;
  --color-border: rgba(123, 45, 142, 0.12);
  --color-whatsapp: #25D366;

  --font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --header-h: 80px;
  --max-w: 1200px;
  --radius: 14px;
  --radius-full: 50px;

  --shadow-sm: 0 2px 12px rgba(26,10,46,0.07);
  --shadow-md: 0 8px 32px rgba(26,10,46,0.10);
  --shadow-lg: 0 20px 60px rgba(26,10,46,0.14);
  --shadow-glow: 0 4px 30px rgba(123,45,142,0.25);

  --ease: 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ========== RESET ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:var(--header-h);overflow-x:hidden}
body{font-family:var(--font);color:var(--color-text);background:var(--color-white);line-height:1.65;-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color var(--ease)}
ul{list-style:none}
strong{font-weight:700}

/* ========== UTILITIES ========== */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section--light{background:var(--color-light)}

.section__title{
  font-size:clamp(1.7rem,4vw,2.5rem);
  font-weight:800;
  text-align:center;
  margin-bottom:16px;
  line-height:1.2;
  color:var(--color-primary-deeper);
}
.section__title strong{
  background:var(--color-gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.section__title--light{color:var(--color-white)}
.section__title--light strong{-webkit-text-fill-color:var(--color-white)}

.section__subtitle{
  text-align:center;
  font-size:1.05rem;
  color:var(--color-text-muted);
  max-width:680px;
  margin:0 auto 50px;
  line-height:1.7;
}
.section__subtitle--light{color:var(--color-text-light);opacity:0.85}

/* ========== BUTTONS ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 34px;border-radius:var(--radius-full);
  font-family:var(--font);font-size:0.95rem;font-weight:600;
  cursor:pointer;border:none;
  transition:all var(--ease);white-space:nowrap;
}
.btn--primary{
  background:var(--color-gradient);color:var(--color-white);
}
.btn--primary:hover{
  background:var(--color-gradient-hover);
  transform:translateY(-2px);
  box-shadow:0 8px 35px rgba(123,45,142,0.35);
}
.btn--outline-light{
  background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.6);
}
.btn--outline-light:hover{
  background:#fff;color:var(--color-primary);border-color:#fff;transform:translateY(-2px);
}
.btn--whatsapp{
  background:var(--color-whatsapp);color:#fff;border-color:transparent;width:100%;
}
.btn--whatsapp:hover{background:#1ebd5a;transform:translateY(-2px)}
.btn--sm{padding:10px 24px;font-size:0.85rem}
.btn--lg{padding:16px 40px;font-size:1rem}
.btn--full{width:100%}
.btn:disabled{opacity:0.45;cursor:not-allowed;transform:none !important}

/* ========== HEADER ========== */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  transition:all var(--ease);background:transparent;
}
.header.scrolled{
  background:rgba(26,10,46,0.92);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  box-shadow:0 2px 30px rgba(0,0,0,0.3);
}
.header__container{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  height:var(--header-h);display:flex;align-items:center;
  position:relative;
}

/* Nav */
.header__nav-left{flex:1;display:flex;justify-content:flex-start}
.header__nav-left .header__menu{margin-left:0}
.header__menu{display:flex;gap:26px}
.header__link{
  color:rgba(255,255,255,0.75);font-size:0.82rem;font-weight:500;
  letter-spacing:0.5px;text-transform:uppercase;position:relative;padding:4px 0;
}
.header__link::after{
  content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:var(--color-gradient);transition:width var(--ease);
}
.header__link:hover,.header__link.active{color:#fff}
.header__link:hover::after,.header__link.active::after{width:100%}

/* Logo center — absolute center */
.header__logo{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  display:flex;align-items:center;z-index:2;
}
.header__logo-img{height:44px;width:auto}

/* Right */
.header__right{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:20px}
.header__social{display:none;gap:10px} /* TODO: cambiar a display:flex cuando se tengan las URLs de redes sociales */
.header__social a{
  width:32px;height:32px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.25);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.7);transition:all var(--ease);
}
.header__social a:hover{
  background:var(--color-gradient);border-color:transparent;color:#fff;
  transform:scale(1.1);
}
.header__cta{flex-shrink:0}
.header__mobile-logo{display:none}
.header__mobile-cta{display:none}

.header__burger{
  display:none;flex-direction:column;gap:6px;
  background:none;border:none;cursor:pointer;padding:10px;
  position:relative;z-index:1003;
}
.header__burger span{
  display:block;width:22px;height:2px;background:#fff;border-radius:2px;
  transition:all 0.3s ease;transform-origin:center;
}
.header__burger.active span:nth-child(1){transform:rotate(45deg) translate(5.5px,5.5px)}
.header__burger.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.header__burger.active span:nth-child(3){transform:rotate(-45deg) translate(5.5px,-5.5px)}

/* Mobile overlay */
.header__overlay{
  display:none;position:fixed;inset:0;
  background:rgba(10,4,20,0.6);z-index:999;
  opacity:0;transition:opacity 0.3s ease;pointer-events:none;
}
.header__overlay.active{opacity:1;pointer-events:auto}

/* ========== HERO ========== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  justify-content:center;overflow:hidden;text-align:center;
}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:url('/assets/images/hero-skyline.jpg') center/cover no-repeat;
}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(160deg,
      rgba(26,10,46,0.85) 0%,
      rgba(90,29,110,0.72) 35%,
      rgba(123,45,142,0.58) 60%,
      rgba(200,54,160,0.45) 100%
    );
}
.hero__content{
  position:relative;z-index:2;
  max-width:800px;padding:calc(var(--header-h) + 60px) 24px 140px;
}
.hero__logo-big{margin:0 auto 32px;width:70px;opacity:0.7}
.hero__logo-big svg{width:100%;height:auto}
.hero__title{
  font-size:clamp(2.2rem,5.5vw,3.5rem);font-weight:800;
  color:#fff;line-height:1.15;margin-bottom:20px;
}
.hero__subtitle{
  font-size:clamp(0.95rem,2vw,1.1rem);color:rgba(255,255,255,0.8);
  max-width:600px;margin:0 auto 36px;line-height:1.7;font-weight:300;
}
.hero__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

.hero__wave{
  position:absolute;bottom:-2px;left:0;width:100%;z-index:3;
  line-height:0;
}
.hero__wave svg{width:100%;height:120px}

/* ========== CORE SERVICES (4 iconos) ========== */
.core-services{background:#fff;padding:90px 0 140px}
.core-services__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.core-services__card{
  text-align:center;border-radius:var(--radius);
  background:#fff;border:1px solid var(--color-border);
  transition:all var(--ease);position:relative;overflow:hidden;
}
.core-services__card:hover{
  transform:translateY(-8px);box-shadow:var(--shadow-lg);
}

/* Image area */
.core-services__img{
  position:relative;height:200px;overflow:hidden;
}
.core-services__img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.5s ease;
}
.core-services__card:hover .core-services__img img{
  transform:scale(1.08);
}
.core-services__img-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(123,45,142,0.15) 100%);
  transition:all var(--ease);
}
.core-services__card:hover .core-services__img-overlay{
  background:linear-gradient(180deg, transparent 20%, rgba(123,45,142,0.3) 100%);
}

/* Body */
.core-services__body{
  padding:24px 20px 28px;
}
.core-services__icon{
  width:56px;height:56px;border-radius:50%;margin:-52px auto 16px;
  background:var(--color-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#fff;position:relative;z-index:2;
  box-shadow:0 4px 15px rgba(123,45,142,0.3);
  transition:all var(--ease);
}
.core-services__card:hover .core-services__icon{
  transform:scale(1.1);
  box-shadow:0 6px 25px rgba(123,45,142,0.4);
}
.core-services__card h3{
  font-size:1rem;font-weight:700;margin-bottom:8px;
  color:var(--color-primary-dark);
}
.core-services__card p{
  font-size:0.85rem;color:var(--color-text-muted);line-height:1.6;
}

/* ========== POR QUE ELEGIRNOS (diagonal purple) ========== */
.why-us{
  position:relative;
  background:var(--color-gradient);
  padding:0;overflow:hidden;
}
.why-us__wave-top,.why-us__wave-bottom{
  position:relative;line-height:0;z-index:2;
}
.why-us__wave-top svg,.why-us__wave-bottom svg{
  width:100%;height:80px;display:block;
}
.why-us__container{
  position:relative;z-index:1;
  max-width:var(--max-w);margin:0 auto;
  padding:40px 24px 50px;
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
/* Textura de fondo sutil */
.why-us::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/texturas/textura-geometrica.png') center/cover no-repeat;
  opacity:0.08;z-index:0;
}

.why-us__left h2{
  font-size:clamp(1.8rem,4vw,2.4rem);font-weight:800;
  color:#fff;margin-bottom:28px;
}
.why-us__checks{display:flex;flex-direction:column;gap:18px}
.why-us__checks li{
  display:flex;align-items:flex-start;gap:14px;
  color:rgba(255,255,255,0.92);font-size:1rem;font-weight:400;
  line-height:1.5;
}
.why-us__checks li svg{flex-shrink:0;margin-top:2px;filter:brightness(1.3)}

.why-us__right{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center;
}
.why-us__stat{
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:var(--radius);padding:28px 12px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:all var(--ease);
}
.why-us__stat:hover{
  background:rgba(255,255,255,0.18);transform:translateY(-4px);
}
.why-us__number{
  display:block;font-size:clamp(2.2rem,5vw,3rem);font-weight:900;
  color:#fff;line-height:1;margin-bottom:6px;
}
.why-us__label{
  font-size:0.78rem;color:rgba(255,255,255,0.7);
  font-weight:500;line-height:1.4;
}

/* ========== DUAL (Residencial + Parques) ========== */
.dual{background:#fff}
.dual__grid{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:900px;margin:0 auto;
}
.dual__card{
  background:#fff;border-radius:var(--radius);
  text-align:center;overflow:hidden;
  border:1px solid var(--color-border);transition:all var(--ease);
}
.dual__card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}

.dual__card-img{
  position:relative;height:220px;overflow:hidden;
}
.dual__card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.5s ease;
}
.dual__card:hover .dual__card-img img{transform:scale(1.06)}
.dual__card-img-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 50%, rgba(123,45,142,0.12) 100%);
  transition:all var(--ease);
}
.dual__card:hover .dual__card-img-overlay{
  background:linear-gradient(180deg, transparent 30%, rgba(123,45,142,0.25) 100%);
}

.dual__card-body{padding:24px 28px 32px}
.dual__card-icon{
  width:56px;height:56px;border-radius:50%;
  background:var(--color-gradient);margin:-52px auto 16px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;position:relative;z-index:2;
  box-shadow:0 4px 15px rgba(123,45,142,0.3);
  transition:all var(--ease);
}
.dual__card:hover .dual__card-icon{
  transform:scale(1.1);box-shadow:0 6px 25px rgba(123,45,142,0.4);
}
.dual__card h3{font-size:1.1rem;margin-bottom:10px;color:var(--color-primary-dark)}
.dual__card p{font-size:0.9rem;color:var(--color-text-muted);line-height:1.6}

/* ========== METODO APX ========== */
.method{position:relative;background:var(--color-dark);overflow:hidden}
.method__wave-top,.method__wave-bottom{position:relative;line-height:0;z-index:2}
.method__wave-top svg,.method__wave-bottom svg{width:100%;height:80px;display:block}
.method__wave-top svg path{fill:#fff}
.method__wave-bottom svg path{fill:#fff}
.method__inner{
  position:relative;z-index:1;padding:40px 0 50px;
}
.method::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/texturas/textura-abstracta.png') center/cover no-repeat;
  opacity:0.06;
}
.method__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px;
}
.method__step{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius);padding:30px 22px;
  transition:all var(--ease);
}
.method__step:hover{
  background:rgba(255,255,255,0.1);
  border-color:rgba(200,54,160,0.25);
  transform:translateY(-4px);
}
.method__number{
  display:inline-block;font-size:1.8rem;font-weight:900;
  background:var(--color-gradient-soft);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;margin-bottom:10px;
}
.method__step h3{font-size:1rem;color:#fff;margin-bottom:8px;font-weight:700}
.method__step p{font-size:0.85rem;color:var(--color-text-light);opacity:0.7;line-height:1.55}
.method__closing{
  text-align:center;font-style:italic;
  color:var(--color-text-light);opacity:0.6;
  font-size:0.95rem;max-width:600px;margin:0 auto;
}

/* ========== SERVICIOS ========== */
.services.section{background:#fff;padding-top:160px;overflow:hidden}

/* Carousel — Coverflow */
.carousel{
  position:relative;overflow:visible;
  max-width:1200px;margin:0 auto;
  padding:0 60px;
}
.carousel__track{
  position:relative;height:420px;
  perspective:1000px;
  transform-style:preserve-3d;
}
.carousel__slide{
  position:absolute;top:50%;left:50%;
  width:320px;
  transition:all .6s cubic-bezier(.25,.8,.25,1);
  transform:translate(-50%,-50%) scale(0.6) rotateY(0deg);
  opacity:0;pointer-events:none;z-index:0;
}
.carousel__slide--active{
  transform:translate(-50%,-50%) scale(1) rotateY(0deg);
  opacity:1;pointer-events:auto;z-index:5;
}
.carousel__slide--prev{
  transform:translate(calc(-50% - 300px),-50%) scale(0.8) rotateY(25deg);
  opacity:0.8;pointer-events:auto;z-index:3;
}
.carousel__slide--next{
  transform:translate(calc(-50% + 300px),-50%) scale(0.8) rotateY(-25deg);
  opacity:0.8;pointer-events:auto;z-index:3;
}
.carousel__slide--far-prev{
  transform:translate(calc(-50% - 520px),-50%) scale(0.6) rotateY(40deg);
  opacity:0.4;pointer-events:none;z-index:1;
}
.carousel__slide--far-next{
  transform:translate(calc(-50% + 520px),-50%) scale(0.6) rotateY(-40deg);
  opacity:0.4;pointer-events:none;z-index:1;
}
.carousel__btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:52px;height:52px;border-radius:50%;border:none;
  background:var(--color-gradient);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(123,45,142,0.35);
  transition:all .3s ease;z-index:10;
}
.carousel__btn:hover{
  transform:translateY(-50%) scale(1.12);
  box-shadow:0 8px 30px rgba(123,45,142,0.55);
}
.carousel__btn--prev{left:5px}
.carousel__btn--next{right:5px}
.carousel__dots{
  display:flex;justify-content:center;gap:10px;margin-top:20px;
}
.carousel__dot{
  width:10px;height:10px;border-radius:50%;border:2px solid var(--color-accent);
  background:transparent;cursor:pointer;transition:all .3s ease;padding:0;
}
.carousel__dot.active{
  background:var(--color-accent);border-color:var(--color-primary);
  transform:scale(1.3);
}

/* Service cards inside carousel */
.services__card{
  background:#fff;border:1px solid var(--color-border);border-radius:16px;
  overflow:hidden;transition:all .5s ease;
  display:flex;flex-direction:column;
  box-shadow:0 4px 20px rgba(0,0,0,0.08);
}
.carousel__slide--active .services__card{
  box-shadow:0 20px 60px rgba(123,45,142,0.2);
  border-color:rgba(200,54,160,0.3);
}
.services__card-img{
  width:100%;height:200px;overflow:hidden;
}
.services__card-img img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.carousel__slide--active .services__card-img img{
  transform:scale(1.02);
}
.services__card-body{padding:24px 28px 28px}
.services__card::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:4px;
  background:var(--color-gradient);transform:scaleX(0);
  transition:transform .5s ease;transform-origin:left;
}
.carousel__slide--active .services__card::after{transform:scaleX(1)}
.services__num{
  display:inline-block;font-size:1.4rem;font-weight:900;
  background:var(--color-gradient);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;
}
.services__card h3{font-size:0.95rem;color:var(--color-primary-dark);margin-bottom:6px}
.services__card p{font-size:0.85rem;color:var(--color-text-muted);line-height:1.6}

/* ========== ENTREGABLES ========== */
.deliverables__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:920px;margin:0 auto;
}
.deliverables__card{
  text-align:center;background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--color-border);box-shadow:var(--shadow-sm);
  transition:all var(--ease);
}
.deliverables__card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.deliverables__img{height:180px;overflow:hidden}
.deliverables__img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.deliverables__card:hover .deliverables__img img{transform:scale(1.06)}
.deliverables__body{padding:24px 20px}
.deliverables__icon{
  width:68px;height:68px;border-radius:50%;background:var(--color-light-alt);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;color:var(--color-primary);
}
.deliverables__card h3{font-size:0.95rem;margin-bottom:8px;color:var(--color-primary-dark)}
.deliverables__card p{font-size:0.85rem;color:var(--color-text-muted)}

/* ========== CLIENTES ========== */
.clients{background:#fff}
.clients__grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:32px;max-width:900px;margin:0 auto;
}
.clients__item{
  text-align:center;transition:all var(--ease);
}
.clients__item:hover{transform:translateY(-4px)}
.clients__img{
  width:200px;height:200px;border-radius:50%;overflow:hidden;
  margin:0 auto 14px;border:3px solid var(--color-light-alt);
  box-shadow:var(--shadow-sm);transition:all var(--ease);
}
.clients__item:hover .clients__img{
  border-color:var(--color-accent);
  box-shadow:0 6px 25px rgba(200,54,160,0.2);
}
.clients__img img{
  width:100%;height:100%;object-fit:cover;
}
.clients__item span{
  font-size:0.85rem;font-weight:600;color:var(--color-primary-dark);
}

/* ========== NOSOTROS ========== */
.about{position:relative;background:var(--color-dark);overflow:hidden}
.about__wave-top,.about__wave-bottom{position:relative;line-height:0;z-index:2}
.about__wave-top svg,.about__wave-bottom svg{width:100%;height:80px;display:block}
.about__inner{
  position:relative;z-index:1;padding:30px 0 40px;
}
.about::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/texturas/textura-suave.png') center/cover no-repeat;
  opacity:0.06;
}
.about__team-img{
  max-width:700px;margin:0 auto 32px;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 12px 40px rgba(0,0,0,0.3);
}
.about__team-img img{width:100%;height:auto;display:block}
.about__grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:40px;
}
.about__card{
  background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius);padding:32px 28px;
}
.about__card h3{font-size:1.1rem;color:#fff;margin-bottom:10px}
.about__card p{font-size:0.9rem;color:var(--color-text-light);opacity:0.8;line-height:1.7}

.about__values{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.about__value{
  text-align:center;padding:20px 12px;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius);transition:all var(--ease);
}
.about__value:hover{background:rgba(255,255,255,0.1);transform:translateY(-3px)}
.about__value strong{display:block;font-size:0.85rem;color:var(--color-accent-light);margin-bottom:4px}
.about__value p{font-size:0.78rem;color:var(--color-text-light);opacity:0.65}

/* ========== CERTIFICACIONES ========== */
.certs__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:20px;
}
.certs__card{
  background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);
  padding:32px 24px;text-align:center;transition:all var(--ease);
}
.certs__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.certs__icon{
  width:64px;height:64px;border-radius:50%;background:var(--color-light-alt);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;color:var(--color-primary);
}
.certs__card h3{font-size:0.95rem;color:var(--color-primary-dark);margin-bottom:8px}
.certs__card p{font-size:0.85rem;color:var(--color-text-muted);line-height:1.6}
.certs__badge{
  text-align:center;margin:32px auto 24px;max-width:260px;
}
.certs__badge img{width:100%;height:auto;border-radius:var(--radius)}
.certs__note{
  text-align:center;font-size:0.78rem;color:var(--color-text-muted);
  font-style:italic;opacity:0.7;margin-top:16px;
}

/* ========== FAQ ========== */
.faq.section{background:#fff;padding-bottom:160px}
.faq__list{max-width:720px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--color-border)}
.faq__question{
  padding:20px 0;font-weight:600;font-size:0.95rem;cursor:pointer;
  list-style:none;display:flex;align-items:center;
  justify-content:space-between;color:var(--color-text);
  transition:color var(--ease);
}
.faq__question::-webkit-details-marker{display:none}
.faq__question::after{
  content:'+';font-size:1.5rem;font-weight:300;color:var(--color-primary);
  transition:transform var(--ease);flex-shrink:0;margin-left:16px;
}
details[open] .faq__question::after{content:'\2212'}
.faq__question:hover{color:var(--color-primary)}
.faq__answer{padding:0 0 20px}
.faq__answer p{font-size:0.9rem;color:var(--color-text-muted);line-height:1.7}

/* ========== CONTACTO ========== */
.contact{position:relative;background:var(--color-dark);overflow:hidden}
.contact__wave-top{position:relative;line-height:0;z-index:2}
.contact__wave-top svg{width:100%;height:80px;display:block}
.contact__inner{position:relative;z-index:1;padding:60px 0 80px}
.contact__grid{
  display:grid;grid-template-columns:1.3fr 0.7fr;gap:40px;align-items:start;
}

.contact__form{
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius);padding:36px 32px;
}
.form__group{margin-bottom:18px}
.form__group label{display:block;font-size:0.82rem;font-weight:600;color:#fff;margin-bottom:5px}
.form__group label span{font-weight:400;opacity:0.45}
.form__group input,.form__group select,.form__group textarea{
  width:100%;padding:11px 14px;
  background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);
  border-radius:8px;color:#fff;font-family:var(--font);font-size:0.9rem;
  transition:border-color var(--ease);
}
.form__group input::placeholder,.form__group textarea::placeholder{color:rgba(255,255,255,0.3)}
.form__group input:focus,.form__group select:focus,.form__group textarea:focus{
  outline:none;border-color:var(--color-accent);
}
.form__group select{
  cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;
}
.form__group select option{background:var(--color-dark);color:#fff}
.form__row--2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form__group--check{margin-top:6px}
.form__checkbox{
  display:flex;align-items:flex-start;gap:10px;cursor:pointer;
  font-size:0.82rem;color:var(--color-text-light);
}
.form__checkbox input[type="checkbox"]{width:auto;margin-top:3px;accent-color:var(--color-primary)}
.form__checkbox a{color:var(--color-accent);text-decoration:underline}
.form__checkbox a:hover{color:#fff}
.form__microcopy{text-align:center;font-size:0.78rem;color:var(--color-text-light);opacity:0.4;margin-top:10px}

.contact__info{padding-top:12px}
.contact__info-card{
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius);padding:36px 28px;text-align:center;
}
.contact__info-logo{margin-bottom:20px;text-align:center}
.contact__info-logo img{display:block;margin:0 auto}
.contact__info-card h3{font-size:1.15rem;color:#fff;margin-bottom:20px}
.contact__email{
  display:flex;align-items:center;justify-content:center;gap:8px;
  color:var(--color-text-light);font-size:0.9rem;margin-bottom:18px;
  transition:color var(--ease);
}
.contact__email:hover{color:var(--color-accent)}
.contact__social{
  display:none;justify-content:center;gap:12px;margin-top:20px; /* TODO: cambiar a display:flex cuando se tengan las URLs de redes sociales */
}
.contact__social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.2);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.6);transition:all var(--ease);
}
.contact__social a:hover{
  background:var(--color-gradient);border-color:transparent;color:#fff;
}

/* ========== FOOTER ========== */
.footer{background:var(--color-dark-alt);color:var(--color-text-light);padding:50px 0 0}
.footer__container{
  max-width:var(--max-w);margin:0 auto;padding:0 24px 40px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;
}
.footer__logo{margin-bottom:16px}
.footer__logo-img{height:40px;width:auto}
.footer__tagline{font-size:0.85rem;opacity:0.5;line-height:1.5}

.footer__links h4,.footer__contact-col h4{
  color:#fff;font-size:0.8rem;margin-bottom:14px;text-transform:uppercase;letter-spacing:1px;
}
.footer__links li{margin-bottom:7px}
.footer__links a{font-size:0.82rem;opacity:0.5;transition:all var(--ease)}
.footer__links a:hover{opacity:1;color:var(--color-accent)}
.footer__contact-col a{display:block;font-size:0.82rem;opacity:0.5;margin-bottom:7px;transition:all var(--ease)}
.footer__contact-col a:hover{opacity:1;color:var(--color-accent)}

.footer__bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  max-width:var(--max-w);margin:0 auto;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.footer__bottom p{font-size:0.75rem;opacity:0.35}
.footer__bottom a{font-size:0.75rem;opacity:0.35;transition:opacity var(--ease)}
.footer__bottom a:hover{opacity:1}

/* ========== MODAL ========== */
.modal{
  position:fixed;inset:0;z-index:9999;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:all var(--ease);
}
.modal.active{opacity:1;visibility:visible}
.modal__overlay{
  position:absolute;inset:0;background:rgba(26,10,46,0.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.modal__content{
  position:relative;background:#fff;border-radius:var(--radius);
  padding:44px 36px;max-width:560px;width:90%;
  max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-lg);
  transform:translateY(20px);transition:transform var(--ease);
}
.modal.active .modal__content{transform:translateY(0)}
.modal__close{
  position:absolute;top:14px;right:18px;background:none;border:none;
  font-size:2rem;cursor:pointer;color:var(--color-text-muted);line-height:1;
  transition:color var(--ease);
}
.modal__close:hover{color:var(--color-primary)}
.modal__content h2{font-size:1.2rem;color:var(--color-primary-dark);margin-bottom:16px}
.modal__content p{font-size:0.88rem;color:var(--color-text-muted);line-height:1.7;margin-bottom:14px}
.modal__content a{color:var(--color-primary);text-decoration:underline}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float{
  position:fixed;bottom:28px;right:28px;width:60px;height:60px;
  border-radius:50%;background:var(--color-whatsapp);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,0.4);z-index:999;
  transition:all var(--ease);
}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(37,211,102,0.5)}

/* ========== PARALLAX STRIPS ========== */
.parallax-strip{
  position:relative;min-height:300px;overflow:hidden;
  background-attachment:fixed;background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:center;
}
@supports (-webkit-touch-callout: none){
  .parallax-strip{background-attachment:scroll}
}
.parallax-strip--ciudad{
  background-image:url('/assets/images/parallax/parallax-ciudad.jpg');
}
.parallax-strip--comunidad{
  background-image:url('/assets/images/parallax/parallax-comunidad.jpg');
}
.parallax-strip--handshake{
  background-image:url('/assets/images/parallax/parallax-handshake.jpg');
}
.parallax-strip__overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(26,10,46,0.55) 0%,rgba(123,45,142,0.35) 100%);
  z-index:1;
}
.parallax-strip__content{
  position:relative;z-index:2;text-align:center;padding:60px 24px;
}
.parallax-strip__text{
  font-size:clamp(1.8rem,5vw,2.4rem);font-weight:800;
  color:#fff;letter-spacing:0.5px;
  text-shadow:0 2px 20px rgba(0,0,0,0.3);
  margin-bottom:16px;
}
.parallax-strip__content .btn{margin-top:4px}

/* Parallax-adjacent sections overlap the strip edges */
.parallax-strip{z-index:0;margin-top:-60px;margin-bottom:-60px;padding:120px 0}
.core-services{position:relative;z-index:2}
.why-us{position:relative;z-index:2}
.method{position:relative;z-index:2}
.services{position:relative;z-index:2}
.faq{position:relative;z-index:2}
.contact{position:relative;z-index:2}

/* Section wave curves (hang over parallax strips from adjacent white sections) */
.section__curve{
  position:absolute;left:0;width:100%;line-height:0;pointer-events:none;z-index:3;
}
.section__curve--bottom{bottom:-59px}
.section__curve--top{top:-59px}
.section__curve svg{width:100%;height:60px;display:block}

/* ========== ANIMATIONS ========== */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ========== SUBPAGES ========== */
.subpage-header{background:var(--color-dark)}
.subpage-hero{
  background:var(--color-gradient);padding:calc(var(--header-h) + 60px) 0 60px;
  text-align:center;color:#fff;
}
.subpage-hero h1{font-size:clamp(1.5rem,4vw,2.2rem);font-weight:700;margin-bottom:10px}
.subpage-hero p{opacity:0.8;font-size:1rem}
.subpage-content{max-width:780px;margin:0 auto;padding:60px 24px}
.subpage-content h2{font-size:1.3rem;color:var(--color-primary-dark);margin-top:28px;margin-bottom:10px}
.subpage-content p{font-size:0.92rem;color:var(--color-text-muted);line-height:1.7;margin-bottom:14px}
.subpage-content ul{list-style:disc;padding-left:22px;margin-bottom:14px}
.subpage-content ul li{font-size:0.92rem;color:var(--color-text-muted);line-height:1.7;margin-bottom:3px}
.subpage-content a{color:var(--color-primary);text-decoration:underline}

.result-page{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  background:var(--color-dark);color:#fff;padding:40px 24px;
}
.result-page h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:14px}
.result-page p{font-size:1.05rem;opacity:0.65;max-width:480px;margin-bottom:28px;line-height:1.6}

/* ========== RESPONSIVE ========== */
@media(max-width:1024px){
  .core-services__grid{grid-template-columns:repeat(2,1fr)}
  .why-us__container{grid-template-columns:1fr;text-align:left;gap:36px;padding:36px 28px 44px}
  .why-us__left h2{text-align:center;margin-bottom:24px}
  .why-us__checks{align-items:flex-start;gap:14px;padding:0 8px}
  .why-us__checks li{font-size:0.95rem;gap:12px}
  .why-us__right{grid-template-columns:repeat(3,1fr);margin-top:8px;gap:12px}
  .method__grid{grid-template-columns:repeat(2,1fr)}
  .certs__grid{grid-template-columns:1fr 1fr}
  .contact__grid{grid-template-columns:1fr}
  .contact__info-card{max-width:480px;margin:0 auto}
  .about__values{grid-template-columns:repeat(3,1fr)}
}

@media(max-width:768px){
  :root{--header-h:64px}

  /* Reduce section spacing on mobile */
  .section{padding:70px 0}
  .section__title{font-size:clamp(1.5rem,5vw,2rem);margin-bottom:12px}
  .section__subtitle{font-size:0.95rem;margin-bottom:36px}

  /* Mobile header */
  .header__container{padding:0 16px;justify-content:space-between}
  .header__logo{position:static;transform:none;order:-1}
  .header__logo-img{height:36px}
  .header__burger{display:flex;margin-left:auto}
  .header__right{display:none}
  .header__overlay{display:block}

  /* Mobile nav panel */
  .header__nav-left{
    position:fixed;top:0;right:0;width:100%;
    height:100vh;height:100dvh;
    background:linear-gradient(160deg, var(--color-dark) 0%, var(--color-primary-dark) 100%);
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    padding:80px 40px 60px;
    z-index:1001;
    opacity:0;visibility:hidden;
    transition:opacity 0.35s ease, visibility 0.35s ease;
  }
  .header__nav-left.open{opacity:1;visibility:visible}
  .header__menu{
    flex-direction:column;gap:0;align-items:center;width:100%;
  }
  .header__menu li{
    width:100%;text-align:center;
    border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .header__menu li:first-child{border-top:1px solid rgba(255,255,255,0.08)}
  .header__link{
    display:block;font-size:1.1rem;font-weight:600;letter-spacing:2px;
    padding:20px 0;color:rgba(255,255,255,0.7);
    transition:color 0.25s ease;
  }
  .header__link:hover,.header__link.active{color:#fff}
  .header__link::after{display:none}

  /* Logo inside mobile menu */
  .header__mobile-logo{
    display:block;height:40px;width:auto;
    margin-top:40px;opacity:0.4;
  }

  /* Hero */
  .hero{min-height:90vh}
  .hero__content{padding:calc(var(--header-h) + 40px) 20px 100px}
  .hero__title{font-size:clamp(1.8rem,7vw,2.6rem);margin-bottom:16px}
  .hero__subtitle{font-size:0.95rem;margin-bottom:28px}
  .hero__wave svg{height:60px}

  /* Core services */
  .core-services{padding:60px 0 100px}
  .core-services__grid{grid-template-columns:1fr 1fr;gap:14px}
  .core-services__img{height:140px}
  .core-services__body{padding:14px 12px 18px}
  .core-services__card h3{font-size:0.85rem}
  .core-services__card p{font-size:0.78rem}
  .core-services__icon{width:44px;height:44px;margin:-26px auto 10px}
  .core-services__icon svg{width:22px;height:22px}

  /* Parallax */
  .parallax-strip{min-height:200px;padding:100px 0}
  .parallax-strip__text{font-size:clamp(1.6rem,5vw,2rem)}
  .section__curve svg{height:40px}
  .section__curve--bottom{bottom:-39px}
  .section__curve--top{top:-39px}

  /* Why us */
  .why-us__container{gap:24px}
  .why-us__right{gap:10px}
  .why-us__stat{padding:18px 12px}
  .why-us__number{font-size:clamp(1.6rem,6vw,2rem)}

  /* Dual */
  .dual__grid{grid-template-columns:1fr}
  .dual__card-img{height:180px}

  /* Method */
  .method__grid{grid-template-columns:1fr}
  .method__inner{padding:40px 0 50px}

  /* Services carousel */
  .services.section{padding-top:110px}
  .carousel{padding:0 40px}
  .carousel__track{height:380px}
  .carousel__slide{width:280px}
  .carousel__slide--prev{transform:translate(calc(-50% - 220px),-50%) scale(0.75) rotateY(25deg)}
  .carousel__slide--next{transform:translate(calc(-50% + 220px),-50%) scale(0.75) rotateY(-25deg)}
  .carousel__slide--far-prev,
  .carousel__slide--far-next{opacity:0}

  /* Deliverables */
  .deliverables__grid{grid-template-columns:1fr;max-width:400px}
  .deliverables__img{height:160px}

  /* Clients */
  .clients__grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .clients__img{width:140px;height:140px}
  .clients__item span{font-size:0.75rem}

  /* About */
  .about__team-img{max-width:100%;margin-bottom:24px}
  .about__grid{grid-template-columns:1fr}
  .about__card{padding:24px 20px}
  .about__values{grid-template-columns:repeat(2,1fr);gap:10px}
  .about__value{padding:16px 10px}
  .about__wave-top svg,.about__wave-bottom svg{height:50px}

  /* Certs */
  .certs__grid{grid-template-columns:1fr}
  .certs__badge{max-width:200px}

  /* FAQ */
  .faq.section{padding-bottom:110px}
  .faq__question{font-size:0.88rem;padding:16px 0}

  /* Contact */
  .contact__inner{padding:40px 0 60px}
  .contact__form{padding:24px 18px}
  .form__row--2{grid-template-columns:1fr}
  .contact__info-logo img{width:100px}

  /* Footer */
  .footer{padding:40px 0 0}
  .footer__container{grid-template-columns:1fr;gap:24px;padding-bottom:30px}
  .footer__logo-img{height:34px}
  .footer__bottom{flex-direction:column;gap:6px;text-align:center}
}

@media(max-width:480px){
  .container{padding:0 16px}

  /* Hero */
  .hero{min-height:85vh}
  .hero__content{padding:calc(var(--header-h) + 30px) 16px 80px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%;text-align:center}
  .hero__wave svg{height:45px}

  /* Core services: single column on very small */
  .core-services__grid{grid-template-columns:1fr;max-width:320px;margin:0 auto}
  .core-services__img{height:180px}

  /* Services carousel */
  .carousel{padding:0 30px}
  .carousel__track{height:360px}
  .carousel__slide{width:250px}
  .carousel__slide--prev{transform:translate(calc(-50% - 150px),-50%) scale(0.7) rotateY(20deg);opacity:0.5}
  .carousel__slide--next{transform:translate(calc(-50% + 150px),-50%) scale(0.7) rotateY(-20deg);opacity:0.5}
  .carousel__slide--far-prev,
  .carousel__slide--far-next{opacity:0}
  .carousel__btn{width:38px;height:38px}
  .services__card-img{height:160px}

  /* Why us */
  .why-us__container{padding:30px 20px 40px}
  .why-us__checks li{font-size:0.9rem;gap:10px}
  .why-us__right{grid-template-columns:repeat(3,1fr);gap:8px}
  .why-us__stat{padding:16px 8px;border-radius:12px}
  .why-us__number{font-size:1.6rem}
  .why-us__label{font-size:0.72rem}

  /* Clients */
  .clients__grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .clients__img{width:110px;height:110px}

  /* About values */
  .about__values{grid-template-columns:1fr 1fr}
  .about__value strong{font-size:0.8rem}
  .about__value p{font-size:0.72rem}

  /* Buttons */
  .btn{padding:12px 28px;font-size:0.88rem}
  .btn--lg{padding:14px 32px;font-size:0.95rem}

  /* Parallax */
  .parallax-strip{min-height:160px;padding:80px 0}
  .section__curve svg{height:30px}
  .section__curve--bottom{bottom:-29px}
  .section__curve--top{top:-29px}
}