/* =========================================================
   Gabriel Rodrigues de Almeida Messa — Portfolio (HTML/CSS/JS)
   Visual: cosmos + glassmorphism + motion (senior)
   ========================================================= */

:root{
  --bg0: #070713;
  --bg1: #0b0b16;
  --bg2: #0f0f20;

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);

  --glass: rgba(255,255,255,.07);
  --glass2: rgba(255,255,255,.10);
  --stroke: rgba(255,255,255,.16);
  --shadow: 0 18px 70px rgba(0,0,0,.45);

  --accent: #7c4dff;
  --accent2: #00e5ff;
  --accent3: #ffb300;

  --radius: 18px;
  --radius2: 26px;

  --container: 1120px;
  --gap: 24px;

  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 10% 10%, rgba(124,77,255,.25), transparent 60%),
              radial-gradient(900px 600px at 80% 0%, rgba(0,229,255,.18), transparent 55%),
              radial-gradient(800px 600px at 70% 90%, rgba(255,179,0,.10), transparent 55%),
              linear-gradient(180deg, var(--bg0), var(--bg1) 55%, var(--bg2));
  min-height: 100vh;
  overflow-x: hidden;
}

.no-js .nav__menu{ display:flex; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }
button, input, textarea{ font: inherit; color: inherit; }
textarea{ resize: vertical; }

.container{
  width: min(var(--container), calc(100% - 2*var(--gap)));
  margin-inline: auto;
}

/* Accessibility */
.sr-only{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:16px; top:-100px;
  padding: 10px 14px;
  background: rgba(0,0,0,.7);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 10px;
  z-index: 9999;
}
.skip-link:focus{ top:16px; }

/* Background */
.bg{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events:none;
}
.bg__image{
  position:absolute;
  inset: -40px;
  background-image: url("../assets/img/bg-space.png");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.05) brightness(.9);
  opacity: .72;
}
.bg__glow{
  position:absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(124,77,255,.20), transparent 60%),
    radial-gradient(700px 450px at 85% 15%, rgba(0,229,255,.18), transparent 55%),
    radial-gradient(900px 600px at 50% 90%, rgba(255,179,0,.10), transparent 60%);
}
.bg__stars{
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1px 1px at 80% 60%, rgba(255,255,255,.40), transparent 60%),
    radial-gradient(2px 2px at 40% 80%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1px 1px at 10% 70%, rgba(255,255,255,.35), transparent 60%);
  opacity: .7;
  animation: drift 14s var(--ease) infinite alternate;
}
@keyframes drift{
  from{ transform: translate3d(0,0,0); }
  to{ transform: translate3d(-14px, 10px, 0); }
}

/* Glass */
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,20,.35);
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.brand__mark{
  width: 42px; height: 42px;
  border-radius: 14px;
  display:grid; place-items:center;
  font-weight: 800;
  letter-spacing: .5px;
  background: linear-gradient(135deg, rgba(124,77,255,.95), rgba(0,229,255,.65));
  box-shadow: 0 14px 40px rgba(124,77,255,.22);
}
.brand__text strong{ display:block; font-size: 14px; line-height: 1.05; }
.brand__text small{ display:block; font-size: 12px; color: var(--muted); margin-top: 2px; }

.nav{ display:flex; align-items:center; }
.nav__toggle{
  display:none;
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  cursor:pointer;
}
.nav__toggle:focus-visible{
  outline: 3px solid rgba(0,229,255,.45);
  outline-offset: 2px;
}
.nav__toggleIcon{
  width: 20px; height: 2px;
  background: rgba(255,255,255,.86);
  display:block;
  position: relative;
  margin: 0 auto;
  border-radius: 20px;
}
.nav__toggleIcon::before,
.nav__toggleIcon::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background: rgba(255,255,255,.86);
  border-radius: 20px;
  transition: transform .25s var(--ease), top .25s var(--ease), opacity .2s var(--ease);
}
.nav__toggleIcon::before{ top: -6px; }
.nav__toggleIcon::after{ top: 6px; }

.nav__menu{
  display:flex;
  align-items:center;
  gap: 10px;
  list-style:none;
  margin:0; padding:0;
}
.nav__link{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  color: rgba(255,255,255,.84);
  border: 1px solid transparent;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.nav__link:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
  transform: translateY(-1px);
}
.nav__cta{
  background: linear-gradient(135deg, rgba(124,77,255,.85), rgba(0,229,255,.35));
  border-color: rgba(255,255,255,.18);
  color: rgba(255,255,255,.95);
}

/* Hero */
.hero{
  padding: 56px 0 26px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  align-items:center;
  gap: 34px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.86);
  margin: 0 0 14px;
}
.badge__dot{
  width: 9px; height: 9px; border-radius: 99px;
  background: radial-gradient(circle at 30% 30%, var(--accent2), var(--accent));
  box-shadow: 0 0 0 4px rgba(0,229,255,.10);
}
.hero__title{
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.gradientText{
  background: linear-gradient(90deg, #a78bfa, #22d3ee, #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle{
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.55;
}
.hero__actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.16);
  cursor:pointer;
  transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  user-select:none;
}
.btn:focus-visible{
  outline: 3px solid rgba(0,229,255,.45);
  outline-offset: 2px;
}
.btn--primary{
  background: linear-gradient(135deg, rgba(124,77,255,.95), rgba(0,229,255,.40));
  border-color: rgba(255,255,255,.18);
  box-shadow: 0 18px 50px rgba(124,77,255,.24);
}
.btn--primary:hover{ transform: translateY(-1px); }
.btn--ghost{
  background: rgba(255,255,255,.05);
}
.btn--ghost:hover{
  background: rgba(255,255,255,.08);
  transform: translateY(-1px);
}
.btn__icon{
  display:inline-block;
  transform: translateY(-1px);
}

.hero__stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.stat{
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
}
.stat__value{ display:block; font-size: 14px; }
.stat__label{ display:block; margin-top: 4px; font-size: 12px; color: rgba(255,255,255,.70); }

/* Hero visual card */
.hero__visual{ position: relative; }
.heroCard{
  padding: 14px;
  border-radius: var(--radius2);
  transform: translateZ(0);
}
.heroCard__top{
  display:flex; align-items:center; justify-content: space-between;
  margin-bottom: 10px;
}
.dots{ display:flex; gap: 6px; }
.dots span{
  width: 10px; height: 10px; border-radius: 999px;
  background: rgba(255,255,255,.16);
}
.chip{
  display:inline-flex;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124,77,255,.12);
  border: 1px solid rgba(124,77,255,.25);
  color: rgba(255,255,255,.86);
  font-size: 12px;
}
.heroCard__imgWrap{
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
}
.heroCard__img{
  width:100%;
  height: 320px;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform .45s var(--ease);
}
.heroCard:hover .heroCard__img{ transform: scale(1.05); }
.heroCard__bottom{
  display:flex; align-items:center; justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}
.pillGroup{ display:flex; flex-wrap: wrap; gap: 8px; }
.pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.86);
}
.miniBtn{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  cursor:pointer;
  transition: transform .15s var(--ease), background .2s var(--ease);
}
.miniBtn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.09); }

.floatBadge{
  position:absolute;
  max-width: 220px;
  padding: 10px 12px;
  border-radius: 16px;
  animation: floaty 4.6s var(--ease) infinite alternate;
}
.floatBadge--left{ left: -14px; bottom: 78px; }
.floatBadge--right{ right: -14px; top: 54px; animation-delay: .8s; }
.floatBadge__title{ display:block; font-weight: 700; font-size: 13px; }
.floatBadge__desc{ display:block; margin-top: 2px; color: rgba(255,255,255,.75); font-size: 12px; }
@keyframes floaty{
  from{ transform: translate3d(0,0,0); }
  to{ transform: translate3d(0,-8px,0); }
}

/* Sections */
.section{ padding: 56px 0; }
.section__head{
  max-width: 720px;
  margin-bottom: 22px;
}
.section__title{
  margin: 0 0 8px;
  font-size: clamp(26px, 3.1vw, 36px);
  letter-spacing: -0.02em;
}
.section__subtitle{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.grid{
  display:grid;
  gap: 16px;
}
.grid--3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card{
  padding: 18px;
  border-radius: var(--radius);
  transition: transform .18s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.card:hover{
  transform: translateY(-3px);
  border-color: rgba(0,229,255,.25);
}
.card__icon{ font-size: 22px; }
.card__title{ margin: 10px 0 6px; font-size: 16px; }
.card__text{ margin: 0 0 12px; color: rgba(255,255,255,.75); line-height: 1.55; }

.list{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,.80);
  line-height: 1.7;
}
.list li{ margin: 6px 0; }

/* CTA Strip */
.ctaStrip{
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius2);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
}
.ctaStrip__title{ margin: 0 0 6px; font-size: 18px; }
.ctaStrip__text{ margin: 0; color: rgba(255,255,255,.76); }

/* Portfolio cards */
.project{
  position: relative;
  overflow:hidden;
  padding: 14px;
  border-radius: var(--radius2);
}
.project__thumb{
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.12);
}
.project__thumb img{
  width:100%;
  height: 210px;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.project:hover .project__thumb img{ transform: scale(1.08); }

.project__meta{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}
.project__title{
  margin: 0;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.project__desc{
  margin: 6px 0 0;
  color: rgba(255,255,255,.74);
  font-size: 13px;
  line-height: 1.55;
}
.project__tags{
  display:flex; flex-wrap: wrap; gap: 8px;
  margin-top: 10px;
}
.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.82);
}
.project__btn{
  margin-top: 12px;
  width: 100%;
}

/* Steps */
.steps{
  list-style:none;
  margin: 0;
  padding: 0;
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.step{
  padding: 16px;
  border-radius: var(--radius2);
}
.step__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 36px; height: 36px;
  border-radius: 14px;
  background: rgba(124,77,255,.14);
  border: 1px solid rgba(124,77,255,.25);
  font-weight: 800;
  font-size: 13px;
}
.step__title{ margin: 10px 0 6px; font-size: 14px; }
.step__text{ margin: 0; color: rgba(255,255,255,.74); line-height: 1.6; font-size: 13px; }

/* About */
.about{
  display:grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 18px;
  align-items:center;
}
.about__media{
  padding: 12px;
  border-radius: var(--radius2);
}
.about__media img{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
}
.chips{
  display:flex; flex-wrap: wrap; gap: 10px;
  margin: 14px 0 16px;
}
.miniCards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.miniCard{
  padding: 14px;
  border-radius: 18px;
}
.miniCard h3{ margin: 0 0 6px; font-size: 14px; }
.miniCard p{ margin: 0; color: rgba(255,255,255,.74); line-height: 1.55; font-size: 13px; }

/* Contact */
.contactGrid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 16px;
  align-items:start;
}
.form{
  padding: 18px;
  border-radius: var(--radius2);
}
.form__row{ display:flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
label{ font-size: 13px; color: rgba(255,255,255,.82); }
input, textarea{
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 16px;
  padding: 12px 12px;
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(0,229,255,.35);
  box-shadow: 0 0 0 3px rgba(0,229,255,.12);
}
.form__actions{ display:flex; gap: 10px; flex-wrap: wrap; }
.form__hint{
  margin: 12px 0 0;
  color: rgba(255,255,255,.70);
  font-size: 12px;
  line-height: 1.6;
}
.contactSide{ display:flex; flex-direction: column; gap: 12px; }
.contactCard{
  padding: 18px;
  border-radius: var(--radius2);
}
.contactCard__title{ margin: 0 0 8px; }
.contactCard__text{ margin: 0 0 14px; color: rgba(255,255,255,.76); }
.contactCard__actions{ display:flex; gap: 10px; flex-wrap: wrap; }
.divider{
  height: 1px;
  margin: 14px 0;
  background: rgba(255,255,255,.12);
}
.muted{ color: rgba(255,255,255,.72); line-height: 1.6; margin: 0; }

/* Footer */
.footer{
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 18px 0;
  background: rgba(10,10,20,.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255,255,255,.72);
  font-size: 13px;
}
.footer__links{ display:flex; gap: 12px; }
.footer__links a{
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid transparent;
}
.footer__links a:hover{
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
}

/* WhatsApp Floating Button */
.whatsFab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 999;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: linear-gradient(135deg, rgba(124,77,255,.95), rgba(0,229,255,.35));
  box-shadow: 0 22px 55px rgba(124,77,255,.25);
}
.whatsFab:hover{ transform: translateY(-2px); }
.whatsFab__icon{ font-size: 16px; }
.whatsFab__text{ font-weight: 700; font-size: 13px; }

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  z-index: 1000;
  display:none;
}
.modal[aria-hidden="false"]{ display:block; }
.modal__backdrop{
  position:absolute; inset: 0;
  background: rgba(0,0,0,.65);
}
.modal__panel{
  position: relative;
  width: min(920px, calc(100% - 24px));
  margin: 56px auto;
  padding: 18px;
  border-radius: var(--radius2);
  animation: pop .22s var(--ease) both;
}
@keyframes pop{
  from{ transform: translateY(10px) scale(.98); opacity: 0; }
  to{ transform: translateY(0) scale(1); opacity: 1; }
}
.modal__close{
  position:absolute;
  right: 14px;
  top: 12px;
  width: 42px; height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  cursor:pointer;
}
.modal__close:hover{ background: rgba(255,255,255,.10); }
.modal__content{
  display:grid;
  grid-template-columns: 1fr .9fr;
  gap: 14px;
  align-items:start;
  margin-top: 10px;
}
.modal__content img{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
}
.modal__h{
  margin: 0 0 8px;
  font-size: 18px;
}
.modal__p{
  margin: 0 0 14px;
  color: rgba(255,255,255,.74);
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .floatBadge{ display:none; }
  .heroCard__img{ height: 280px; }
  .grid--3{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about{ grid-template-columns: 1fr; }
  .contactGrid{ grid-template-columns: 1fr; }
  .modal__content{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav__toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav__menu{
    position: absolute;
    top: 64px;
    right: calc((100% - min(var(--container), calc(100% - 2*var(--gap)))) / 2);
    left: calc((100% - min(var(--container), calc(100% - 2*var(--gap)))) / 2);
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 18px;
    background: rgba(10,10,20,.75);
    border: 1px solid rgba(255,255,255,.14);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transform-origin: top;
    transform: scaleY(.98);
    opacity: 0;
    pointer-events:none;
    transition: opacity .2s var(--ease), transform .2s var(--ease);
  }
  .nav__menu.is-open{
    opacity: 1;
    transform: scaleY(1);
    pointer-events:auto;
  }
  .grid--3{ grid-template-columns: 1fr; }
  .hero__stats{ grid-template-columns: 1fr; }
  .miniCards{ grid-template-columns: 1fr; }
  .footer__inner{ flex-direction: column; align-items:flex-start; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .bg__stars, .floatBadge{ animation: none !important; }
  *{ transition: none !important; }
}