/* =========================================================
   SUMANDO OPORTUNIDADES A.C. - stylesheet
   Mobile-first. Design tokens -> base -> layout -> components -> breakpoints
   ========================================================= */

/* ---------- Design tokens ---------- */
:root{
  --blue-900:#071B3F;
  --blue-800:#0B2A5E;
  --blue-700:#0146A1;
  --blue-600:#1659B8;
  --blue-100:#E7F0FB;
  --blue-50:#F3F8FD;

  --red-600:#E8121F;
  --red-700:#C40E19;

  --white:#FFFFFF;
  --ink:#0F1B2D;
  --gray-600:#4B5A70;
  --gray-200:#E3E8F0;

  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:10px;

  --shadow-soft:0 10px 30px rgba(9,30,66,.10);
  --shadow-card:0 6px 18px rgba(9,30,66,.08);

  --font-main:'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container-w:1240px;
  --header-h:76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}
body{
  margin:0;
  font-family:var(--font-main);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  overflow-wrap:break-word;
}
img{ max-width:100%; display:block; }
ul{ list-style:none; margin:0; padding:0; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,p{ margin:0; }
button{ font-family:inherit; }

:focus-visible{ outline:3px solid var(--red-600); outline-offset:3px; border-radius:4px; }

.container{
  width:100%;
  max-width:var(--container-w);
  margin-inline:auto;
  padding-inline:clamp(1.1rem, 4vw, 2.5rem);
}

.skip-link{
  position:absolute; left:1rem; top:-100px;
  background:var(--blue-700); color:var(--white);
  padding:.75rem 1.25rem; border-radius:var(--radius-sm);
  z-index:1000; transition:top .2s ease;
}
.skip-link:focus{ top:1rem; }

/* ---------- Typography helpers ---------- */
.eyebrow{
  display:block;
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--red-600);
  margin-bottom:.6rem;
}
.eyebrow--center{ text-align:center; }
.eyebrow--light{ color:#FF6B6B; }

.section-title{
  font-size:clamp(1.7rem, 1.35rem + 1.6vw, 2.5rem);
  font-weight:700;
  line-height:1.2;
  color:var(--blue-900);
  max-width:20ch;
}
.section-title--center{ text-align:center; margin-inline:auto; max-width:22ch; }

.section{ padding-block:clamp(3.5rem, 5vw + 1rem, 6rem); }
.section--tint{ background:var(--blue-50); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.9rem 1.8rem;
  border-radius:999px;
  font-weight:700;
  font-size:.92rem;
  letter-spacing:.03em;
  text-transform:uppercase;
  text-align:center;
  max-width:100%;
  transition:transform .15s ease, box-shadow .15s ease, background-color .15s ease;
  border:2px solid transparent;
}
.btn:hover{ transform:translateY(-2px); }
.btn-red{
  background:var(--red-600); color:var(--white);
  box-shadow:0 10px 24px rgba(232,18,31,.28);
}
.btn-red:hover{ background:var(--red-700); }
.btn-outline{
  background:transparent; color:var(--blue-700); border-color:var(--blue-700);
}
.btn-outline:hover{ background:var(--blue-700); color:var(--white); }
.btn-lg{ padding:1.1rem 2.4rem; font-size:1rem; }
.btn-block{ width:100%; }
.btn-header{ display:none; }

/* ===================== HEADER ===================== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--gray-200);
}
.site-header__inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.brand{ display:flex; align-items:center; }
.brand__logo{ height:56px; width:auto; }

.main-nav{ display:none; }
.main-nav__list{ display:flex; gap:2rem; }
.main-nav__list a{
  font-weight:600; font-size:.95rem; color:var(--blue-900);
  padding-block:.4rem; position:relative;
}
.main-nav__list a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--red-600); transform:scaleX(0); transition:transform .2s ease;
}
.main-nav__list a:hover::after{ transform:scaleX(1); }

.site-header__actions{ display:flex; align-items:center; gap:.75rem; }

/* Hamburger */
.hamburger{
  width:44px; height:44px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:5px;
  background:none; border:none; cursor:pointer; border-radius:var(--radius-sm);
}
.hamburger span{
  width:24px; height:2px; background:var(--blue-900); border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-menu{
  position:fixed; inset:var(--header-h) 0 0 0;
  background:var(--white);
  padding:2rem 1.5rem;
  overflow-y:auto;
  z-index:99;
}
.mobile-menu[hidden]{ display:none; }
.mobile-menu ul{ display:flex; flex-direction:column; gap:0; margin-bottom:2rem; }
.mobile-menu a{
  display:block; padding:1rem 0; font-size:1.25rem; font-weight:600;
  color:var(--blue-900); border-bottom:1px solid var(--gray-200);
}

/* ===================== HERO ===================== */
.hero{
  position:relative;
  min-height:clamp(560px, 92vh, 780px);
  display:flex; align-items:center;
  overflow:hidden;
  isolation:isolate;
}
.hero__media{ position:absolute; inset:0; z-index:-2; }
.hero__media img{ width:100%; height:100%; object-fit:cover; }
.hero__scrim{
  position:absolute; inset:0; z-index:-1;
  background:linear-gradient(100deg,
    rgba(4,16,42,.95) 0%,
    rgba(4,16,42,.88) 26%,
    rgba(4,16,42,.55) 52%,
    rgba(4,16,42,.18) 74%,
    rgba(4,16,42,0) 92%);
}
.hero__content{ padding-block:4rem; max-width:780px; }
.hero__tagline{
  display:inline-block;
  color:var(--white);
  font-weight:600;
  font-style:italic;
  font-size:.95rem;
  opacity:.85;
  margin-bottom:1rem;
  border-left:3px solid var(--red-600);
  padding-left:.75rem;
}
.hero h1{
  color:var(--white);
  font-size:clamp(2rem, 1.55rem + 3.2vw, 3.4rem);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.01em;
  margin-bottom:1.25rem;
  text-wrap:balance;
}
.hero__sub{
  color:rgba(255,255,255,.92);
  font-size:clamp(1rem, .95rem + .3vw, 1.15rem);
  font-weight:400;
  line-height:1.6;
  max-width:52ch;
  margin-bottom:2rem;
}
.hero__actions{ display:flex; align-items:center; gap:1.75rem; flex-wrap:wrap; }
.hero__link{
  color:var(--white); font-weight:600; font-size:.95rem;
  border-bottom:2px solid rgba(255,255,255,.4);
  padding-bottom:2px;
  transition:border-color .2s ease;
}
.hero__link:hover{ border-color:var(--white); }
.hero__link span{ display:inline-block; transition:transform .2s ease; }
.hero__link:hover span{ transform:translateX(4px); }

/* ===================== VALORES ===================== */
.values-grid{
  margin-top:3rem;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:1.1rem;
}
.value-card{
  background:var(--white);
  border:1px solid var(--gray-200);
  border-radius:var(--radius-md);
  padding:1.6rem 1.2rem;
  text-align:center;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.value-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-card); border-color:transparent; }
.value-card__icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:56px; height:56px; border-radius:50%;
  background:var(--blue-100); color:var(--blue-700);
  margin-bottom:.9rem;
}
.value-card__icon svg{ width:26px; height:26px; }
.value-card h3{ font-size:1rem; font-weight:700; color:var(--blue-900); margin-bottom:.4rem; }
.value-card p{ font-size:.88rem; color:var(--gray-600); line-height:1.5; }

/* ===================== PROGRAMAS ===================== */
.programs-grid{
  margin-top:3rem;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:1.5rem;
}
.program-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease, box-shadow .2s ease;
}
.program-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-soft); }
.program-card picture{ display:block; aspect-ratio:16/9; }
.program-card img{ width:100%; height:100%; object-fit:cover; }
.program-card__body{ padding:1.25rem 1.4rem 1.5rem; }
.program-card__body h3{ font-size:1.05rem; font-weight:700; color:var(--blue-900); margin-bottom:.4rem; }
.program-card__body p{ font-size:.9rem; color:var(--gray-600); line-height:1.5; }

.section-cta{ display:flex; justify-content:center; margin-top:3rem; }

/* ===================== IMPACTO ===================== */
.impact{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  padding-block:clamp(4rem, 8vw, 7rem);
}
.impact__media{ position:absolute; inset:0; z-index:-2; }
.impact__media img{ width:100%; height:100%; object-fit:cover; }
.impact__scrim{
  position:absolute; inset:0; z-index:-1;
  background:linear-gradient(100deg,
    rgba(4,16,42,.95) 0%,
    rgba(4,16,42,.85) 30%,
    rgba(4,16,42,.55) 55%,
    rgba(4,16,42,.25) 78%,
    rgba(4,16,42,.05) 100%);
}
.impact__content{ max-width:780px; }
.impact h2{
  color:var(--white);
  font-size:clamp(1.9rem, 1.5rem + 2vw, 2.8rem);
  font-weight:800;
  line-height:1.18;
  margin-bottom:2.5rem;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:1.75rem 1.25rem;
}
.stat__number{
  display:block;
  color:var(--white);
  font-size:clamp(2rem, 1.6rem + 2vw, 2.9rem);
  font-weight:800;
  line-height:1;
  margin-bottom:.4rem;
}
.stat__label{
  display:block;
  color:rgba(255,255,255,.85);
  font-size:.88rem;
  font-weight:500;
}

/* ===================== CTA ===================== */
.cta{ padding-block:clamp(4rem, 6vw, 6rem); background:var(--white); }
.cta__content{ max-width:640px; margin-inline:auto; text-align:center; }
.cta h2{
  font-size:clamp(1.7rem, 1.35rem + 1.6vw, 2.4rem);
  font-weight:700; color:var(--blue-900); margin-bottom:1rem;
}
.cta p{ color:var(--gray-600); font-size:1.05rem; margin-bottom:2rem; }

/* ===================== FOOTER ===================== */
.site-footer{ background:var(--blue-900); color:var(--white); }
.site-footer__inner{
  padding-block:clamp(3rem, 5vw, 4.5rem);
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:2.5rem;
}
.footer-brand__logo{
  height:70px; width:auto;
  filter:brightness(0) invert(1);
}
.footer-brand__tagline{ margin-top:1rem; font-style:italic; color:rgba(255,255,255,.8); font-size:.95rem; }
.footer-social{ display:flex; gap:.75rem; margin-top:1.25rem; }
.footer-social a{
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.1); color:var(--white);
  transition:background-color .2s ease;
}
.footer-social a:hover{ background:var(--red-600); }

.footer-nav h3, .footer-contact h3{
  font-size:.85rem; text-transform:uppercase; letter-spacing:.1em;
  color:rgba(255,255,255,.55); margin-bottom:1rem; font-weight:700;
}
.footer-nav ul, .footer-contact ul{ display:flex; flex-direction:column; gap:.7rem; }
.footer-nav a, .footer-contact a, .footer-contact span{
  font-size:.95rem; color:rgba(255,255,255,.88);
}
.footer-nav a:hover, .footer-contact a:hover{ color:var(--white); text-decoration:underline; }

.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-block:1.25rem;
}
.site-footer__bottom p{ font-size:.8rem; color:rgba(255,255,255,.6); text-align:center; }

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float{
  position:fixed;
  right:1.1rem;
  bottom:calc(1.1rem + env(safe-area-inset-bottom, 0px));
  width:56px; height:56px;
  border-radius:50%;
  background:#25D366;
  color:var(--white);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 22px rgba(37,211,102,.45);
  z-index:200;
  transition:transform .2s ease;
}
.whatsapp-float:hover{ transform:scale(1.08); }

/* =========================================================
   BREAKPOINTS
   ========================================================= */

/* Small phones: tighten hero actions gap */
@media (max-width:380px){
  .hero__actions{ gap:1rem; }
  .btn{ padding:.85rem 1.4rem; font-size:.85rem; }
}

/* >= 400px: enough room for values to go 2-up */
@media (min-width:400px){
  .values-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }
}

/* >= 600px: stats 4-col */
@media (min-width:600px){
  .stats-grid{ grid-template-columns:repeat(4, minmax(0,1fr)); }
}

/* >= 700px: program cards 2-up (last odd card becomes a wide closer) */
@media (min-width:700px) and (max-width:1023px){
  .programs-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .programs-grid li:last-child:nth-child(odd){ grid-column:1 / -1; }
  .programs-grid li:last-child:nth-child(odd) picture{ aspect-ratio:21/9; }
}

/* Tablet */
@media (min-width:768px){
  .values-grid{ grid-template-columns:repeat(3, minmax(0,1fr)); }
  .footer-brand{ grid-column:1 / -1; }
  .site-footer__inner{ grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr); }
  .footer-brand{ grid-column:auto; }
}

/* Desktop nav */
@media (min-width:1024px){
  .main-nav{ display:block; }
  .btn-header{ display:inline-flex; }
  .hamburger{ display:none; }
  .mobile-menu{ display:none !important; }

  .values-grid{ grid-template-columns:repeat(6, minmax(0,1fr)); }
  .programs-grid{ grid-template-columns:repeat(3, minmax(0,1fr)); }
  .hero__content{ padding-block:5rem; }
}

@media (min-width:1280px){
  .container{ padding-inline:2.5rem; }
  .programs-grid{ grid-template-columns:repeat(5, minmax(0,1fr)); }
}

@media (min-width:1440px){
  :root{ --container-w:1320px; }
}