/* ===== GRAVPOINT — Design System ===== */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#1a1a2e;background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font:inherit}
input,textarea,select{font:inherit}

/* --- Variables --- */
:root{
  --c-primary:#2563eb;
  --c-primary-dark:#1d4ed8;
  --c-primary-light:#eff6ff;
  --c-accent:#f59e0b;
  --c-dark:#1a1a2e;
  --c-gray-900:#1e293b;
  --c-gray-700:#334155;
  --c-gray-500:#64748b;
  --c-gray-300:#cbd5e1;
  --c-gray-100:#f1f5f9;
  --c-white:#ffffff;
  --c-success:#10b981;
  --c-whatsapp:#25d366;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow-md:0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:0 8px 32px rgba(0,0,0,.12);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --max-w:1200px;
  --transition:0.3s cubic-bezier(.4,0,.2,1);
}

/* --- Typography --- */
h1,h2,h3,h4{font-weight:800;line-height:1.15;color:var(--c-dark);letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5vw,3.5rem)}
h2{font-size:clamp(1.8rem,4vw,2.6rem)}
h3{font-size:clamp(1.2rem,2.5vw,1.5rem)}
h4{font-size:1.1rem}
p{color:var(--c-gray-700);line-height:1.7}
.text-accent{color:var(--c-primary)}
.text-small{font-size:.9rem;color:var(--c-gray-500)}

/* --- Layout --- */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--alt{background:var(--c-gray-100)}
.section--dark{background:var(--c-dark);color:var(--c-white)}
.section--dark h2,.section--dark h3,.section--dark p{color:var(--c-white)}
.section--dark p{opacity:.85}
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex;align-items:center;gap:16px}
.flex--between{justify-content:space-between}
.text-center{text-align:center}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;transition:var(--transition);white-space:nowrap}
.btn--primary{background:var(--c-primary);color:var(--c-white)}
.btn--primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn--whatsapp{background:var(--c-whatsapp);color:var(--c-white)}
.btn--whatsapp:hover{background:#1ebe57;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn--outline{border:2px solid var(--c-primary);color:var(--c-primary)}
.btn--outline:hover{background:var(--c-primary);color:var(--c-white)}
.btn--white{background:var(--c-white);color:var(--c-primary)}
.btn--white:hover{background:var(--c-gray-100);transform:translateY(-2px)}
.btn--sm{padding:10px 20px;font-size:.9rem}

/* --- Header --- */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-gray-300);transition:var(--transition)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:1.5rem;font-weight:800;letter-spacing:-.03em;color:var(--c-dark)}
.logo span{color:var(--c-primary)}
.nav{display:flex;align-items:center;gap:8px}
.nav a{padding:8px 16px;font-size:.95rem;font-weight:500;color:var(--c-gray-700);border-radius:var(--radius-sm);transition:var(--transition)}
.nav a:hover,.nav a.active{color:var(--c-primary);background:var(--c-primary-light)}
.nav__dropdown{position:relative}
.nav__dropdown-toggle{cursor:pointer}
.nav__dropdown-toggle::after{content:'';display:inline-block;width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-left:4px;vertical-align:middle;transition:var(--transition)}
.nav__dropdown-menu{position:absolute;top:100%;left:0;min-width:220px;background:var(--c-white);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--transition)}
.nav__dropdown:hover .nav__dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav__dropdown-menu a{display:block;padding:10px 16px;border-radius:var(--radius-sm)}
.header__cta{margin-left:8px}
.menu-toggle{display:none;flex-direction:column;gap:5px;width:28px;padding:4px 0}
.menu-toggle span{display:block;height:2px;background:var(--c-dark);border-radius:2px;transition:var(--transition)}

/* --- Hero --- */
.hero{padding:140px 0 80px;position:relative;overflow:hidden}
.hero--home{padding:160px 0 100px;background:linear-gradient(135deg,var(--c-primary-light) 0%,var(--c-white) 60%)}
.hero__badge{display:inline-block;padding:6px 16px;background:var(--c-primary-light);color:var(--c-primary);border-radius:99px;font-size:.85rem;font-weight:600;margin-bottom:20px}
.hero h1{margin-bottom:20px}
.hero p{font-size:1.15rem;max-width:600px;margin-bottom:32px;color:var(--c-gray-700)}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.hero__stats{display:flex;gap:48px;margin-top:48px;padding-top:32px;border-top:1px solid var(--c-gray-300)}
.hero__stat strong{display:block;font-size:2rem;font-weight:800;color:var(--c-dark)}
.hero__stat span{font-size:.85rem;color:var(--c-gray-500)}

/* --- Cards --- */
.card{background:var(--c-white);border-radius:var(--radius-md);padding:32px;border:1px solid var(--c-gray-300);transition:var(--transition)}
.card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.card__icon{width:48px;height:48px;background:var(--c-primary-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.4rem}
.card h3{margin-bottom:8px}
.card p{font-size:.95rem}
.card__tag{display:inline-block;padding:4px 12px;background:var(--c-primary-light);color:var(--c-primary);border-radius:99px;font-size:.8rem;font-weight:600;margin-bottom:12px}
.card__price{margin-top:16px;font-size:1.1rem;font-weight:700;color:var(--c-primary)}

/* --- Section Headers --- */
.section__header{max-width:640px;margin-bottom:48px}
.section__header.text-center{margin-left:auto;margin-right:auto}
.section__header h2{margin-bottom:12px}
.section__header p{color:var(--c-gray-500)}

/* --- Process / Steps --- */
.steps{counter-reset:step}
.step{position:relative;padding-left:72px;padding-bottom:40px}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:48px;height:48px;background:var(--c-primary);color:var(--c-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem}
.step::after{content:'';position:absolute;left:23px;top:52px;bottom:0;width:2px;background:var(--c-gray-300)}
.step:last-child::after{display:none}
.step:last-child{padding-bottom:0}
.step h3{margin-bottom:4px}
.step p{font-size:.95rem}

/* --- Testimonials --- */
.testimonial{background:var(--c-white);border-radius:var(--radius-md);padding:32px;border:1px solid var(--c-gray-300)}
.testimonial__stars{color:var(--c-accent);font-size:1.1rem;margin-bottom:12px;letter-spacing:2px}
.testimonial__text{font-size:1rem;font-style:italic;margin-bottom:16px;line-height:1.7}
.testimonial__author{font-weight:700;color:var(--c-dark)}
.testimonial__role{font-size:.85rem;color:var(--c-gray-500)}

/* --- Portfolio Grid --- */
.portfolio-card{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--c-gray-300);transition:var(--transition)}
.portfolio-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.portfolio-card__img{height:220px;background:var(--c-gray-100);display:flex;align-items:center;justify-content:center;color:var(--c-gray-500);font-size:.9rem}
.portfolio-card__body{padding:24px}
.portfolio-card__body h3{margin-bottom:4px}
.portfolio-card__results{margin-top:12px;display:flex;flex-direction:column;gap:4px}
.portfolio-card__results li{font-size:.9rem;color:var(--c-success);font-weight:600}
.portfolio-card__results li::before{content:'+ '}

/* --- FAQ Accordion --- */
.faq-item{border:1px solid var(--c-gray-300);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}
.faq-item+.faq-item{margin-top:12px}
.faq-item.active{border-color:var(--c-primary)}
.faq-question{width:100%;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;font-size:1rem;font-weight:600;color:var(--c-dark);background:var(--c-white);text-align:left}
.faq-question::after{content:'+';font-size:1.4rem;font-weight:300;color:var(--c-gray-500);transition:var(--transition)}
.faq-item.active .faq-question::after{transform:rotate(45deg);color:var(--c-primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer__inner{padding:0 24px 20px;color:var(--c-gray-700);line-height:1.7}

/* --- Contact Form --- */
.form{display:grid;gap:16px;max-width:560px}
.form__group{display:flex;flex-direction:column;gap:6px}
.form__group label{font-size:.9rem;font-weight:600;color:var(--c-dark)}
.form__group input,.form__group textarea,.form__group select{padding:12px 16px;border:1px solid var(--c-gray-300);border-radius:var(--radius-sm);transition:var(--transition);background:var(--c-white)}
.form__group input:focus,.form__group textarea:focus,.form__group select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form__group textarea{min-height:120px;resize:vertical}

/* --- Contact Info --- */
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-info__item{display:flex;gap:16px;align-items:flex-start}
.contact-info__icon{width:44px;height:44px;background:var(--c-primary-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.2rem}
.contact-info__text strong{display:block;font-size:.95rem;color:var(--c-dark)}
.contact-info__text span,.contact-info__text a{font-size:.9rem;color:var(--c-gray-500)}
.contact-info__text a:hover{color:var(--c-primary)}

/* --- Benefits / Values List --- */
.benefit{display:flex;gap:16px;align-items:flex-start}
.benefit__icon{width:40px;height:40px;background:var(--c-primary-light);color:var(--c-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem;font-weight:800}
.benefit h4{margin-bottom:4px}
.benefit p{font-size:.9rem;color:var(--c-gray-500)}

/* --- Pricing Box --- */
.price-box{background:var(--c-primary-light);border:2px solid var(--c-primary);border-radius:var(--radius-md);padding:32px;text-align:center}
.price-box__label{font-size:.9rem;color:var(--c-gray-500);margin-bottom:4px}
.price-box__amount{font-size:2.4rem;font-weight:800;color:var(--c-primary)}
.price-box__note{font-size:.85rem;color:var(--c-gray-500);margin-top:4px}
.price-box .btn{margin-top:20px}

/* --- Detail List --- */
.detail-list{display:flex;flex-direction:column;gap:12px}
.detail-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--c-gray-700)}
.detail-list li::before{content:'✓';color:var(--c-primary);font-weight:800;flex-shrink:0}

/* --- Breadcrumb --- */
.breadcrumb{padding:12px 0;font-size:.85rem;color:var(--c-gray-500)}
.breadcrumb a{color:var(--c-gray-500);transition:var(--transition)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span{margin:0 8px}

/* --- Footer --- */
.footer{background:var(--c-gray-900);color:var(--c-gray-300);padding:64px 0 0}
.footer h4{color:var(--c-white);margin-bottom:16px;font-size:1rem}
.footer a{color:var(--c-gray-300);transition:var(--transition)}
.footer a:hover{color:var(--c-white)}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer__desc{font-size:.9rem;line-height:1.7;margin-top:12px}
.footer__links{display:flex;flex-direction:column;gap:8px}
.footer__links a{font-size:.9rem}
.footer__bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;font-size:.8rem;flex-wrap:wrap;gap:12px}
.footer__legal{display:flex;gap:20px}

/* --- WhatsApp Float --- */
.whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:999;width:56px;height:56px;background:var(--c-whatsapp);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:var(--transition);font-size:1.6rem;color:var(--c-white)}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 8px 24px rgba(37,211,102,.4)}

/* --- CTA Banner --- */
.cta-banner{background:var(--c-primary);padding:64px 0;text-align:center;color:var(--c-white)}
.cta-banner h2{color:var(--c-white);margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,.85);margin-bottom:28px;font-size:1.05rem}
.cta-banner .btn+.btn{margin-left:12px}

/* --- Filter Tabs --- */
.filters{display:flex;gap:8px;margin-bottom:32px;flex-wrap:wrap}
.filters button{padding:8px 20px;border-radius:99px;font-size:.9rem;font-weight:600;color:var(--c-gray-500);border:1px solid var(--c-gray-300);background:var(--c-white);transition:var(--transition)}
.filters button.active,.filters button:hover{background:var(--c-primary);color:var(--c-white);border-color:var(--c-primary)}

/* --- Map --- */
.map-container{border-radius:var(--radius-md);overflow:hidden;height:400px;border:1px solid var(--c-gray-300)}
.map-container iframe{width:100%;height:100%;border:0}

/* --- 404 --- */
.error-page{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center}
.error-page h1{font-size:clamp(4rem,10vw,8rem);color:var(--c-primary);margin-bottom:8px}
.error-page p{margin-bottom:24px}

/* --- Animations (reveal on scroll) --- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .hero__stats{flex-direction:column;gap:16px}
  .nav{position:fixed;top:72px;left:0;width:100%;background:var(--c-white);flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--c-gray-300);transform:translateY(-120%);transition:var(--transition);gap:0}
  .nav.open{transform:translateY(0)}
  .nav a{width:100%;padding:12px 0;border-bottom:1px solid var(--c-gray-100)}
  .nav__dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 0 16px}
  .menu-toggle{display:flex}
  .header__cta{display:none}
  .hero--home{padding:120px 0 60px}
  .hero{padding:120px 0 60px}
  .section{padding:56px 0}
  .cta-banner .btn+.btn{margin-left:0;margin-top:8px}
  .cta-banner .flex{flex-direction:column}
  .footer__bottom{flex-direction:column;text-align:center}
}